Stamp material, stamp material-setting jig and stamp assembly

Abstract: There is provided a stamp material comprising a stamp portion and a stock for holding the stamp portion. The stamp portion includes a stamp surface-forming portion for forming a stamp surface therefrom. The stamp portion is removably mounted in the stock. According to another aspect, there is provided a stamp material-setting jig (D) for setting the stamp material (Aa) in a stamp-making apparatus. The stamp material-setting jig has a mounting recess (81) formed in one surface for mounting the stock therein, and a positioning portion (68,69) formed in an opposite surface to the one surface for effecting positioning of the stamp material in the stamp-making apparatus.

Description: Field of the Invention This invention relates to a stamp-making arrangement, comprising a stamp material and a stamp-making apparatus, and a stamp assembly comprising a stamp portion and a stock. Prior Art A stamp material suitable for obtaining a seal, a stamp or the like, which has a desired stamp image is disclosed in JP-A-6-278350. The known stamp material is comprised of a stamp portion having a stamp surface-forming portion and a stock to which the stamp portion is attached. The stamp portion is a laminate of an ultraviolet-curing resin layer as the stamp surface-forming portion, a base layer for holding the ultraviolet-curing resin layer, and a sponge layer for holding the base layer. The stamp material constructed as above is set in a stamp-making apparatus and exposed to ultraviolet rays via a mask of an ink ribbon printed with desired stamp characters to have the stamp characters formed in the ultraviolet-curing resin layer. In the above-mentioned stamp material, the stamp portion is fixed to the stock, so that when a stamp (or stamp material) formed with its stamp characters becomes useless, or when an erroneous stamp character is formed in the stamp surface-forming portion, not only the stamp portion but also the stock is disposed of. That is, when part of the material (stamp) becomes useless, the whole material (stamp) has to be disposed of, which goes against saving of energy and resources. Further, when the stamp material is set in a stamp-making apparatus, the former is required to be accurately positioned in the latter. However, if various types of stamp materials different in size are provided for the stamp-making apparatus similarly to usual stamps, it becomes physically or mechanically very difficult to accurately set each of such different stamp materials in the same stamp-making apparatus by the use of common positioning means. Particularly, with small-sized stamp materials it is difficult to form the positioning means therein, and hence it is difficult to accurately set each of them in the stamp-making apparatus in a stable manner. EP-A-0 807 531 (prior art according to Art. 54(3) EPC) discloses a stamp-making arrangement, comprising a stamp material composed of a stamp portion, a holder, and a stock removably holding the stamp portion by means of said holder, and a stamp-making apparatus adapted to removably accommodate the stamp material therein. The problem of how to exactly position the stamp material in the stamp-making apparatus is not addressed in this document. US-A-3,282,209 discloses a stamp (stamp material) comprising a stock and a stamp portion removably held by the stock. SUMMARY OF THE INVENTION It is an object of the invention to provide a stamp-making arrangement which contributes to saving of energy and resources, and reduction of costs. Another object of the invention to provide a stamp assembly which contributes to saving of energy and resources and reduction of costs. These objects are achieved with a stamp-making arrangement as claimed in claims 1 and 7 and a stamp assembly as claimed in claim 18, respectively. According to this stamp material, when a stamp made by forming a stamp image in the stamp surface-farming portion becomes useless, or when an undesired stamp image is formed in the stamp surface-forming portion by mistake, the stamp portion can be removed from the stock, whereby the stamp portion alone can be replaced by another to form a new stamp material together with the stock. Further, by providing a plurality of stamp portions with which the same stock is used in a shared manner, it is possible to make a plurality of stamp materials different in stamp image. Similarly, by providing various kinds of stamp portions which are different in size of the stamp surface-forming portion, it is possible to make various kinds of stamps having various sizes with which the same stock is used in a shared manner. With the stock and/or the holder being formed with a positioning means and the stamp-making apparatus having complementary positioning means, even if the stamp portion, or a unit of the stamp portion and holder is replaced by another one, no problem arises in positioning the stamp material in the stamp-making apparatus. In another embodiment, a stamp material-setting jig is provided for setting the stamp material in the stamp-making apparatus. The stamp material-setting jig has a mounting recess formed in one surface for mounting the stock therein, and positioning means formed in the opposite surface for effecting positioning of the stamp material in the stamp-making apparatus. In this embodiment, the stamp material-setting jig is positioned in the stamp-making apparatus by way of the positioning means, and the stock is positioned in the stamp material-setting jig by way of the mounting recess. Therefore, accurate positioning can be effected between the stamp material-setting jig and the stamp-making apparatus and between the stock and the stamp material-setting jig, which enables even a stock small in size to be accurately positioned in the stamp-making apparatus. A stamp assembly according to the present invention comprises a stamp portion including a stamp surface portion having a stamp surface formed thereon and a stock for removably mouting the stamp portion on a first surface of the stock. In a second surface substantially perpendicular to the first surface the stock has one or more positioning holes. When a stamp formed with a stamp image on the stamp surface portion becomes useless, the stamp portion can be removed from the stock and replaced by another one to form a new stamp. If the new stamp is made with a a stamp-making apparatus having complementary positioning means, no problem arises in positioning the stamp assembly in the stamp-making apparatus. The above and other objects, features, and advantages of the invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1A is a plan view of an appearance of a stamp-making apparatus for making a stamps from a stamp material according to embodiments of the invention; FIG. 1B is a side view of an appearance of the FIG. 1A stamp-making apparatus; FIG. 2 is a plan view of an internal construction of a mechanical block of the stamp-making apparatus; FIG. 3 is a view showing a structure of a plate-making sheet; FIG. 4 is a plan view of a pocket of the stamp-making apparatus from which a lid is removed and component parts associated with the pocket; FIG. 5A is a view showing a surface of the stamp material via which the stamp material is mounted on the bottom of the pocket; FIG. 5B is a partial cross-sectional view of the FIG. 5A stamp material taken along a line extending through a main boss hole in the direction of length of the stamp material; FIG. 5C is a partial cross-sectional view of the FIG. 5A stamp material taken along a line extending through an auxiliary boss hole in the direction of length of the stamp material; FIG. 5D is a partially cutout view of the inside and outside of a cap for being fitted on the FIG. 5A stamp material; FIG. 5E is a partial side elevation of the FIG. 5D cap; FIG. 6 is an exploded perspective view of the stamp material according to the first embodiment; FIG. 7 is a sectional view showing the FIG. 6 stamp material in a state mounted in the pocket; FIG. 8 is an exploded perspective view of a stamp material according to a second embodiment; FIG. 9 is an exploded perspective view of a stamp material-setting jig and a stamp material mounted therein, according to a third embodiment of the invention; FIG. 10 is a front view of a stamp material-setting jig and a stamp material mounted therein, according to a fourth embodiment of the invention; FIG. 11 is an exploded perspective view of a stamp material-setting jig and a stamp material therein, according to a fifth embodiment of the invention; and FIG. 12 is an exploded perspective view of a stamp material-setting jig and a stamp material mounted therein, according to a sixth embodiment of the invention. DETAILED DESCRIPTION The invention will now be described in detail with reference to the drawings showing embodiments thereof. Referring first to FIGS. 1A and 1B, there is shown a stamp-making apparatus 1 for making a stamp from a stamp material according to an embodiment of the invention. The stamp-making apparatus makes a desired stamp by exposing a stamp material having a stamp surface-forming portion made of ultraviolet-curing resin to ultraviolet rays via a mask of an ink ribbon printed with a stamp image including images of characters and pictures. FIG. 1A is a plan view of the apparatus, while FIG. 1B is a front elevation of the same. As shown in these figures, the stamp-making apparatus 1 includes a casing 2 having upper and lower divisional portions, an electronic block 3 arranged in a front part of the casing 2, and a mechanical block 4 arranged in a rear part of the same. The mechanical block 4 is comprised of a mechanical block body 5, a pocket 6 formed in a central area of the mechanical block body 5 for receiving therein a stamp material A from which a stamp is made, and a lid 7 for opening and closing the pocket 6, which is formed with a window. In a left side portion of the mechanical block 4 as viewed in the figures, a function switch (operating knob) 8 is provided for switching the operation of the stamp-making apparatus 1 e.g. to printing or exposure, as well as for permitting the lid 7 to be opened. In a right side portion of the mechanical block 4, there are provided an inserting groove 9a for feeding a plate-making sheet B from which a stamp character label, referred to hereinafter, is made, and a take-out slot 9b for delivering the plate-making sheet B. Further, the mechanical block 4 has a maintenance cover 10 removably mounted on part thereof outside the pocket 6, and an ink ribbon cartridge 11 carrying an ink ribbon C is mounted under the maintenance cover 10. The electronic block 3 has an operating block 21 arranged in a top thereof and contains an information-processing system therein. The operating block 21 includes a push button group 22 and an operating dial 23 which form an input block of the information-processing system, and a display 24 which forms an output block of the same. The operating dial 23 has a trial structure of an execution key 31 having a circular shape and arranged in the center thereof, a cursor/conversion key 32 having four divisional blocks arranged along the periphery of the execution key 31 to form an annular shape, and a character entry key 33 having an annular shape and arranged along the outer periphery of the cursor/conversion key 32. On the surface of the character entry key 33, hirakana characters representative of the Japanese syllabary and the alphabet, etc., not shown, are printed. The entry of stamp characters is carried out by first setting each of desired hirakana characters to an inverted delta symbol 25 by turning the character entry key 33, and pushing the execution key 31 whenever each of the desired hirakana characters is set to the triangle mark 25, followed by converting desired ones of the entered hirakana characters to kanji characters by operating the cursor/conversion key 32. When desired stamp characters are formed on the display 24, a predetermined button 22a of the push button group 22 is pushed to settle the inputting of the desired characters. Now, a sequence of operations for making a stamp will be briefly described with reference to FIGS. 1A, 1B and 2. First, the function switch 8 is operated to open the lid 7, and a stamp material A is set in the pocket 6. As the stamp material A is set, a type or kind thereof is detected by a detecting device 41, and based on results of the detection, the information-processing system controls the input block and the output block thereof. Then, the function switch 8 is operated to shift the function of the apparatus to plate-making, and the push button group 22 and the operating dial 23 are operated to enter stamp characters. When the entry of stamp characters is completed, the plate-making sheet B on which a stamp character label is provided is set by inserting the same into the inserting groove 9a. Then, a predetermined button 22a of the push button group 22 is operated to cause the apparatus to execute the plate-making operation, i.e. printing of the stamp characters. The printing is effected simultaneously on the ink ribbon C and the plate-making sheet B. When the printing is completed, the ink ribbon C is fed or advanced to set a portion thereof printed with the stamp characters for exposure to ultraviolet rays, and at the same time the plate-making sheet B is discharged from the take-out slot 9b. When it is confirmed from the plate-making sheet B that there is no error in the printed stamp characters, the function switch 8 is operated to shift the function of the apparatus to exposure, thereby causing the same to perform exposure of the stamp material to ultraviolet rays via the mask of the ink ribbon C. The apparatus may be configured such that after operating the function switch 8, a predetermined button 22a is operated to cause the apparatus to start the exposure. When the exposure is completed, the function switch 8 is operated to open the lid 7, and then the stamp material A is removed from the pocket 6 for washing. The washing completes the stamp. Before or after completion of making the stamp, the stamp character label is peeled off the plate-making sheet B and then fixed to the back of the stamp. Next, the component devices of the stamp-making apparatus 1 will be described, one by one. The function switch 8 arranged in the mechanical block 4 can be turned clockwise from an "OFF" position in which the apparatus is set on stand-by to an "OPEN" position, or anticlockwise from the "OFF" position to an "input/plate-making" position, and further to an "exposure" position (see FIG. 1A). In the "OPEN" position, the lid 7 provided on the pocket 6 is popped up to open, and in the "INPUT/PLATE-MAKING" position and the "EXPOSURE" position, a printing block 42 and an exposure block 43 are operated as required. The function switch 8 also serves as a switch for switching between electrical modes of the apparatus. By an electrical mode-switching operation of the function switch 8, a corresponding one of LED lamps 12 (no LED lamp for the "OFF" position) provided adjacent to the function switch 8 is lighted to indicate the selected position. The ribbon cartridge 11 is constructed such that it is removable from the mechanical block body 5, and it is replaceable together with a casing thereof when the ink ribbon C is used up. As shown in FIG. 2, the ribbon cartridge 11 has a take-up reel 13 arranged at one end thereof and a supply reel 14 arranged at the other end thereof. The ink ribbon C is rolled out from the supply reel 14, fed along an L-shaped feed path as viewed in FIG. 2, and taken up by the take-up reel 13. The L-shaped feed path has a shorter side portion which the printing block 42 faces and a longer side portion which the exposure block 43 faces. The printing block 42 faces the ink ribbon C and the plate-making sheet B simultaneously, and the exposure block 43 faces the ink ribbon C printed with the image of the stamp characters. The ink ribbon C is comprised of a transparent ribbon tape and ink coated thereon. In the present embodiment, it has a thickness of 6 µm. When the printing block 42 of the apparatus carries out printing on the ink ribbon C, a portion of ink coated on the ink ribbon, which defines a character, is transferred to the plate-making sheet B, whereby the ribbon tape of the ink ribbon C is formed with a negative image by a transparent portion from which the portion of ink defining the character has been transferred, while the plate-making sheet B is formed with a positive image by the transferred portion of ink defining the character. The ink ribbon C is sent forward to the exposure block 43, where the negative image-formed portion thereof is used as a mask in carrying out the exposure, while the plate-making sheet B is delivered from the apparatus for a user to confirm the stamp characters and affix part (label) of the plate-making sheet B to the stamp thus made. As shown in FIG. 3, the plate-making sheet B is a laminate of a base sheet Ba and an adhesive sheet Bb, generally in the form of a strip. The adhesive sheet Bb is formed with cutting lines Bc defining a rectangular area. The rectangular area of the adhesive sheet Bb is peeled off the base sheet Ba along the cutting lines Bc to form the stamp character label Bd to be affixed to the back of the stamp. There are provided several types of stamp materials A which are different in shape from each other so as to meet needs of stamps, and there are also provided respective corresponding types of plate-making sheets which are different in the shape of an area of the stamp character label Bd (shape and size of an area defined by cutting lines). The plate-making sheet B is color-coded or specified by color for easy discrimination of the type thereof. Next, the stamp material A will be described. Before description of the stamp material A, a structure of the pocket 6 in which the stamp material A is mounted is described with reference to FIG. 4. The stamp material A is mounted in the pocket 6 such that an imaginary line (center) extending through the stamp material A which is central with respect to the width of the stamp material And an imaginary line (center) through the same which is central with respect to the thickness thereof are brought to identical positions within the pocket 6. The mounting of the stamp material A in the pocket 6 is effected by cooperation of a plurality of bosses 51, 52 arranged on the bottom 6a of the pocket 6 in a manner projecting upward and a plurality of bosses 68, 69, referred to hereinafter, formed in the bottom (opposite surface) of the stamp material A. As shown in FIG. 4, on the bottom 6a of the pocket 6, there are provided two main support bosses 51, 51 extending upward at respective locations on the imaginary line on the bottom 6a of the pocket 6 which is substantially central with respect to the width of the pocket, and a pair of auxiliary support bosses 52, 52 extending upward at respective locations axisymmetric with respect to the imaginary line on opposite sides of the main support boss 51a on the exposure block 43 side. That is, the main and auxiliary support bosses 51, 52, four in total and each having a columnar shape, are generally in the T-shaped arrangement, and support the stamp material A in its properly positioned state within the pocket 6. The main support bosses 51, 51 form main means for supporting the stamp material A. The main support boss 51b on the front side or lower side as viewed in the figure and the main support boss 51a on the exposure block 43 side have respective diameters different from each other, whereby improper mounting of a material in an inverted direction is prevented. On the other hand, as shown in FIGS. 5A to 6, the stamp material A is comprised of a stamp portion 62 having a stamp surface-forming portion 61 formed of an ultraviolet-curing resin, a holder 63 for holding the stamp portion 62, and a stock (made of resin in the present embodiment) 64 in which the holder 63 fitted with the stamp portion 62 is removably mounted. On the holder 63, there is mounted a cap 65 for covering the stamp portion 62. The stamp portion 62 has a resin base 66 which is insensitive to the ultraviolet rays and a sponge 67 between the resin base 66 and the holder 63. The stamp surface-forming portion (ultraviolet-curing resin) 61 forms an area on which stamp characters are formed, and is exposed to ultraviolet rays from the exposure block 43 for being cured to form shapes of characters. The stamp material A in FIGS. 5A to 6 is for a business stamp (small). However, the stamp material A includes various types having respective different shapes, e.g. ones for a square stamp, a personal name stamp, a business stamp (large), an address stamp, etc., not shown. The holder 63 forms part of the stamp on which a cap 65 for protection of the stamp surface-forming portion 61 formed of ultraviolet-curing resin is fitted, and has a main boss hole 68a and two auxiliary boss holes 69 formed in portions to be covered by the cap, for respectively receiving the main support boss 51a and the auxiliary support bosses 52. The main boss hole 68a and the auxiliary boss holes 69 are square holes, whereby the main support boss 51a and the auxiliary support bosses 52 each in a columnar form can be easily fitted therein without spoiling the accuracy of positioning or alignment of the stamp material A effected thereby. Since the main boss hole 68a and the auxiliary boss holes 69 are not formed in the stock 64 but in the holder 63, part for effecting positioning of the stamp material A is located at a position closest to the ultraviolet-curing resin 61. This ensures the accuracy of positioning effected by the use of these holes. Further, on opposite sides of the main boss hole 68a, there are formed a pair of projections 70, 70 (actually, another pair of projections 70, 70 are also formed on the reverse side which are hidden in the figure) for catching the cap 65. Further, the holder 63 has a flanged portion 71 at a root portion thereof, which forms a band exposed from between the stock 64 and the cap 65 when the cap 65 is fitted on the stamp material A. The holder 63 including the flanged portion 71 has a color specifically selected to a type of the stamp, similarly to the plate-making sheet B, which helps the user recognize the type of the stamp with ease. The color is uniformly used for the plate-making sheet B and the holder 63 for each type of stamp. The sponge 67 is a thin member made of foamed urethane, and not only serves as an aide for proper stamping action by the user, but also has a function of bringing the ink ribbon C as a mask into intimate contact with the ultraviolet resin 61 with accuracy when the exposure is carried out. The stock 64 is made of a resin, and is shaped such that a holder-side half portion thereof is expanded or increased in width and thickness toward the holder 63. This shape of the stock 64 prevents slippage of the user's fingers when the user presses the stamp for imprinting, and also makes the stamp material A excellent in design. The stock 64 has a main boss hole 68b formed on an imaginary line (center) which is central with respect to the width of the stamp material A and extends along the length thereof for receiving the main support boss 51b. The main boss hole 68b has a shape which is slightly elliptic (though not recognized in the figure) i.e. elongated in cross-section in the direction of the length of the stamp material A, so as to provide ample clearance with respect to the main support boss 51a corresponding thereto for accommodating variations in dimensions among individual stamp materials A caused by manufacturing process. That is, the main and auxiliary boss holes 68a, 69 formed in the holder 63 mainly effects positioning of the stamp material A in the directions of the length and width thereof, and the main boss hole 68a formed in the holder 63 and the main boss hole 68b formed in the stock 64 mainly effects positioning of the stamp material A in the direction of the thickness. There is formed a type-detecting hole 72 in the back of the stamp material A. The back of the stamp material A is actually formed with a plurality of small holes (type-detecting holes 72) at respective central locations, i.e. at locations intermediate with respect to the thickness of the stamp material A, in a manner aligned in a horizontal direction. The type-detecting holes 72 cooperate with a switch array , not shown, of the detecting device 41 to discriminate not only the type of the stamp material A but also the size of a stamp surface thereof. The cap 65, on the other hand, is made of a resin which is identical both in material and color to those of the stock 64. The inner surface of the cap 65 is formed with recesses 73 in a manner corresponding to the projections 70 formed on the holder 63. Each recess 73 is formed in a strip-shaped projection 74 provided on the inner surface of the cap 65. The strip-shaped projection 74 is brought into direct contact with the holder 63. This helps the cap 65 to be fitted on the holder 63 without looseness, and permits the cap 65 to be formed by a thin material. Further, since the recesses 73 are each formed in a manner making a depression in the surface of the strip-shaped projections 74, the ultraviolet-curing resin 61 is prevented from being caught therein. When the stamp material A constructed as above is set in the pocket 6 after removing the cap 65 therefrom, as shown in FIG. 7, the main support bosses 51 and the auxiliary support bosses 52 are fitted in the main boss holes 68 and the auxiliary boss holes 69 of the stamp material A, whereby positioning of the stamp material A is effected in the directions of the length, width, and thickness thereof, to properly set the stamp material A in the pocket 6. More specifically, in the above-mentioned examples of the stamp materials A, the main and auxiliary boss holes 68, 69 are formed at respective identical locations, whereby a portion of any stamp material A set in the pocket 6, which is central with respect to the direction of the width thereof, is brought to an identical position in the pocket 6. Further, the main and auxiliary boss holes 68, 69 are formed to depths varied according to the thickness of each type of material A, so that a point or portion of any type of stamp material A mounted in the pocket 6, which is central with respect to the direction of the thickness of the stamp material A is brought to an identical position in the pocket 6. Now, description will be made of a structure of the holder 63 (including the stamp portion 62) for mounting the same in the stock 64 with reference to FIG. 6. The holder 63 is formed with an inserting portion 75 extending from the flanged portion 7 for being inserted into the stock 64. The inserting portion 75 is formed with four nails 76, i.e. two nails 76 on a lower upper side and the other two nails 76 on a lower side which are hidden in the figure, in a manner making shallow cuts therein. The stock 64 has a hollow portion 100 opening in one end face (stamp portion side end face) thereof. The hollow portion of the stock 64 is formed with recesses 77 for engagement with the nails 76. The nails 76 have resilient properties. Therefore, when the inserting portion 75 of the holder 63 is inserted into the hollow portion of the stock 64 to the position of the flanged portion 71 abutting the end face of the stock 63, the nails 76 are engaged with the recesses 77 whereby the holder 63 is mounted in the stock 64. Further, when the holder 63 mounted in the stock 64 is pulled with strength, the nails 76 are disengaged from the recesses 77 and the holder 63 is removed from the stock 64. According to the above-mentioned structure of a unit of the holder 63 and the stamp portion 62, e.g. when a stamp already in use becomes useless or unnecessary, or when an erroneous stamp character is made on the stamp surface, the provision of the unit of the holder 63 and the stamp portion 62 apart from the stock 64 enables a new material A to be obtained simply by replacing this unit alone by a new one, from which a new stamp can be made by reusing the same stock 64. Further, by positively utilizing this advantage of replaceability of each unit of a holder 63 and a stamp portion 62, various stamps having respective different stamp characters formed thereon may be provided for selectively mounting in the stock 64 as required when the stamp is used. Therefore, the user can make and hold various stamps at low costs. It is also possible to provide holders 63 which have stamp portions 62 different in size (of the stamp surface) . In such cases, the size of a stamp material A is manually set or input to the apparatus. Alternatively, detecting holes similar to the above-mentioned type-detecting holes 72 may be formed in the holder 63 for detection by a switch array, not shown, of the detecting device 41 which is arranged in a manner corresponding to the detecting holes, thereby enabling the stamp-making apparatus to discriminate the size of the stamp surface of a stamp portion 62 fitted in each of various holders 63 through cooperation of the detecting holes and the switch array. In such cases, even if the type of the holder 63 is changed as desired, it is possible to automatically detect and set the size of the stamp surface of the selected stamp portion. Further, instead of mechanical means for discriminating the stamp size, such as the above-mentioned detecting holes, there may be employed an optical or electromagnetic discriminating device. Next, a second embodiment of the stamp material A will be described with reference to FIG. 8. In this embodiment, a holder 63' is fixed to or integrally formed with a stock 64', while a stamp portion 62' is removably mounted on the holder 63'. The stamp portion 62' has a mounting plate 78 arranged on a sponge 67-side surface thereof. The mounting plate 78 is formed with an inserting groove 79 having a C-shaped cross-section on a holder 63'-side surface thereof. The holder 63' has a front end portion formed with a projection 80 having a T-shaped cross-section in a manner corresponding to the inserting groove 79. This inserting groove 79 is of a complementary shape to the projection 80. When the stamp portion 62' is inserted into the holder 63' by sliding the same from a side end face of the holder 63', the inserting groove 79 is engaged with the projection 80, whereby the stamp portion 62' is mounted on the holder 63'. It is preferred that the inserting groove 79 or the projection 80 is formed with a stopper, not shown, at its end portion so as to control the position of the inserted stamp portion 62'. The stamp material A constructed as above enables a new stamp material A to be obtained simply by replacing the stamp portion 62' alone by another, while reusing the stock 64' and the holder 63'. Further, by positively utilizing this advantage of replaceability of the stamp portion 62', various stamp portions having respective different stamp characters formed thereon may be provided in advance for selectively mounting on the holder 63' as required when the stamp is used. In this case, the stamp material A can be constructed such that the stamp portion 62' is removably mounted directly in the stock 64 without using the holder 63'. In such a case, the main and auxiliary boss holes 68, 69 are formed in the stock 64'. Next, a third embodiment of the invention will be described with reference to FIG. 9. This embodiment is distinguished from the above embodiments in that a very small or thin stamp material Aa is used, and a stamp material-setting jig (hereinafter simply referred to as "the jig") D is employed for properly setting the stamp material Aa in the stamp-making apparatus. The remainder of the arrangement of the present embodiment is similar to that of the above embodiments, and detailed description thereof is omitted but description will be made of the stamp material-setting jig and related or associated portions of the stamp material Aa. The jig D has a mounting recess 81 formed in the top (one surface) thereof for mounting the stamp material Aa comprised of a stamp portion 62 and a stock 64 therein, and main and auxiliary boss holes 68, 69 formed in the bottom (opposite surface) thereof, which are similar to those of the stamp material A of the first and second embodiments. The mounting recess 81 extends along the length of the jig D on a portion which is central with respect to the width of the same. On the bottom of the mounting recess 81 there are formed columnar projections 82, 82 at respective locations in the direction of the length of the mounting recess 81 which are central with respect to the width thereof and used for effecting positioning of the stamp material Aa. In a manner corresponding to these columnar projections 82, there are arranged two circular holes 83, 83 in the stock 64 of the stamp material Aa at respective locations in the direction of the length of the stock. The engagement of the columnar projections 82 and the circular holes 83 sets the stock (stamp material) in a predetermined position, i.e. inhibits the stock (stamp material) from moving in the direction of length or width of the stamp material. The stamp material Aa is mounted in the mounting recess 81 of the jig D such that the circular holes 83 are inserted into the columnar projections 82, and in this state the jig D is set such that the main and auxiliary boss holes 68, 69 thereof are fitted into the main and auxiliary support bosses 51, 52 of the pocket 6, whereby the stamp material Aa is set within the pocket 6 via the jig D in a properly positioned manner. Therefore, by the use of this jig D, a very small material Aa or the like in which the main and auxiliary boss holes 68, 69 cannot be formed therein can be properly set in the pocket 6. That is, even a very small stamp material Aa of the present embodiment can be properly formed with stamp characters. Further, by the use of the columnar projections 82 of the jig D and the circular holes 83 in the stamp material Aa, positioning of the stamp material Aa can be effected with reference to a center of the jig D, and various types of materials Aa narrower in width than the mounting recess 81 can be set within the pocket 6 in a properly positioned manner. Next, a fourth embodiment of the invention will be described with reference to FIG. 10. This embodiment is distinguished from the above embodiments in that a stamp material Ab is thick but very small in size and a stamp material-setting jig D is used for setting the stamp material Ab in the stamp-making apparatus 1. The remainder of the arrangement of the present embodiment is similar to that of the above embodiments, and detailed description thereof is omitted but description will be made of the stamp material-setting jig and related or associated portions of the stamp material Ab. This jig D has a mounting recess 81 formed at such a horizontal location that avoids the main and auxiliary boss holes 68, 69 for mounting the stamp material Ab therein. The mounting recess 81 has a depth sufficient for mounting the stamp material Ab of a small square stamp. A side wall 110 (left side wall as viewed in FIG. 10) of the mounting recess 81 serves as a reference surface with which the position of the stamp material Ab is determined, and a movable plate 84 is arranged on an opposite wall 111 (right side wall as viewed in FIG. 10) side. The movable plate 84, which is movable in the direction of the width of the jig D, operates to sandwich the stamp material Ab arranged in the mounting recess 81 between the left side wall 110 and itself in a manner urging the stamp material Ab to the left side wall e.g. by the urging force of a spring, not shown, which is interposed between the right side wall 111 and itself, to thereby effect positioning of the stamp material Ab. In such a jig D, since the mounting recess 81 is formed in a manner avoiding the main and auxiliary boss holes 68, 69, so long as strength of the jig D per se is not spoiled, the mounting recess 81 can be formed to a sufficient depth. Therefore, a small square stamp (stamp material Ab) or the like can be set within the pocket 6 in a properly positioned manner. Further, even various types of materials Ab different in size can be properly set within the pocket 6 in a properly positioned manner. Next, a fifth embodiment of the invention will be described with reference to FIG. 11. This embodiment is distinguished from the above embodiments in that a stamp material (circular stamp) Ac having a columnar shape is used and a stamp material-setting jig D has a construction corresponding thereto. The remainder of the arrangement of the present embodiment is similar to that of the above embodiments, and detailed description thereof is omitted but description will be made of the stamp material-setting jig and related or associated portions of the stamp material Ac. The jig D has a shape similar to that of the jig D descried first, but has a mounting recess 81' thereof shaped to that of the stamp material Ac. The stamp material Ac is comprised of a stamp portion 62 having a circular shape and a stock 64 having a columnar shape formed in a manner corresponding to that of the stamp portion 62. The stock 64 has a rotation-inhibiting portion 86 formed in a rear portion as a cutout in the form of a segment in cross-section in place of the circular holes 83 of the jig D of the third embodiment. On the other hand, the mounting recess 81' has a semicolumnar shape complementary to the stock 64 and is formed with a receiving portion 87 which is protruded for engagement with the rotation-inhibiting portion 86. In this jig D, engagement between the rotation-inhibiting portion 86 and the receiving portion 87 prevents the stamp material Ac having a columnar shape from moving both in a rotational direction and in the direction of the length of the jig D whereby the stamp material Ac is set in the mounting recess 81' in a stable manner. Further, when a stamp surface is formed on the stamp portion 62, this rotation-inhibiting portion 86 can be utilized as a mark indicative of an upper side or lower side of the stamp. The rotation-inhibiting portion 86 may be formed as a protruded portion and the receiving portion 87 as a cutout portion. The rotation-inhibiting portion 86 may be arranged at a location close to the stamp portion 62 (the receiving portion 87 is necessarily arranged at a corresponding location), i.e. at a position of a forefinger assumed on the stamp when the stamp is held for a stamping action. Further, this embodiment is applicable to a stamp material having an elliptic cross-section. Further, the mounting recess' 81 is not limited to a semicolumnar shape, but may have any suitable shape so long as it can set the stamp material in a stable manner. It is preferable that each of the above-described jigs D of the third to fifth embodiments is formed with type-detecting holes 101 (jig-discriminating portion) which are similar to the type-detecting holes 72 of the stamp material A of the first and second embodiments described hereinabove (see FIG. 11). In such a case, when the jig D is discriminated, the mode of setting or inputting the size of the stamp surface to the stamp-making apparatus is changed from an automatic mode to a manual mode so as to permit the size of the stamp materials Aa, Ab, Ac to be manually entered. However, if the types of stamp materials Aa, Ab, Ac mounted in the jig D are limited, these stamp materials Aa, Ab, Ac per se may be each provided with type-detecting holes (stamp surface-discriminating portion) to thereby permit automatic setting of the size of the stamp surface. Next, a sixth embodiment of the invention will be described with reference to FIG. 12. This embodiment is distinguished from the above embodiments in that a material Ad even smaller than that of the third embodiment is used, and a stamp material-setting jig D is constructed in a manner adapted thereto. The remainder of the arrangement of the present embodiment is similar to that of the above embodiments, and detailed description thereof is omitted but description will be made of the stamp material-setting jig and related or associated portions of the stamp material Ad. This jig D has a shape similar to that of the third embodiment. However a mounting recess 81" is arranged on a front-half portion of the jig D without extending up to a rear end face of the jig D to make the mounting recess 81" in agreement with the stamp material Ad. Further, there are provided several types of stamp materials Ad which are identical in shape of a stock 64 but different in shape (size of stamp surface) of a stamp portion 62. According, the jig D is formed with a plurality of small holes 91 at a rear end thereof, and provided with a blocking plate 92 for mounting therein. The small holes 91 and the blocking plate 92 correspond to the type-detecting holes 72 of the above-mentioned stamp material A, and enable the type of each of these stamp materials Ad to be discriminated by the stamp-making apparatus 1. The jig D is formed with a slit 93 at the rear end for removably mounting the blocking plate 92 therein. The plurality of small holes have a sufficient depth for extending from the rear end face of the jig D across this slit into an inner portion of the jig D. The blocking plate 92 is formed with cutouts 92a such that a pattern formed by three cutouts corresponds to a type of each of the stamp materials Ad. As a result, when the blocking plate 92 is mounted in the slit 93, predetermined ones of the plurality of small holes 91 are closed in a manner corresponding to the type of each of the stamp materials Ad whereby a pattern for discrimination of the stamp material Ad is formed according to the positions of the plurality of small holes 91 and respective open and closed states thereof. The switch array of the above-mentioned detecting device 41 detects the pattern, whereby the type of each of the stamp materials Ad is discriminated or identified. It goes without saying that, in this case, the stamp materials Ad and the blocking plate 92 corresponding thereto are provided as a set. According to this embodiment, even if different types of stamp materials Ad are mounted, the types can be each discriminated by the stamp-making apparatus 1 similarly to the above-mentioned stamp material A. It should be noted that in this embodiment the blocking plate 92 is mounted from above but the same may be mounted from a side of the jig D. Further, the blocking plate 92 may be made of a thick sheet-like material (the cut-out portion 92a may be formed as hole) and mounted on or attached to the rear end face of the jig D. Although in the above embodiments and variations of the invention, description has been made of a case where a stamp surface-forming portion of a material is made an ultraviolet-curing resin, this is not limitative, but the present invention is applicable to other materials using a photo-setting resin or a thermosetting resin. It is further understood by those skilled in the art that the foregoing are preferred embodiments of the invention, and that various changes and modification may be made without departing from the scope of the appended claims.

Claims: A stamp-making arrangement, comprising a stamp material (A) composed of a stamp portion (62) including a stamp surface-forming portion (61), a holder (63), and a stock (64) removably holding said stamp portion by means of said holder; and a stamp-making apparatus (1), adapted to removably accommodate therein said stamp material with the stamp portion held by the stock for forming a stamp surface on said stamp surface-forming portion; wherein the stamp-making apparatus (1) and the stock (64) and/or the holder (63) are provided with respective complementary positioning means effecting positioning of said stamp material in the stamp-making apparatus in a predefined position. The arrangement according to claim 1, wherein said stock (64) is provided with a stamp surface size-discriminating portion which enables the size of said stamp surface-forming portion (61) to be discriminated by the stamp-making apparatus (1). The arrangement according to claim 1, wherein said holder (63) is provided with a stamp surface size-discriminating portion which enables a size of said stamp surface-forming portion (61) to be discriminated by a stamp-making apparatus (1). The arrangement according to claim 2 or 3, wherein said stamp surface size-discriminating portion (72) is formed of a plurality of holes, and wherein said stamp-making apparatus (1) discriminates said size of said stamp surface-forming portion by recognizing the pattern of said plurality of holes. The arrangement according to claim 1, wherein said stock (64) has a hollow portion (100) opening in one end face thereof, said holder (63) and said stamp portion (62) being formed as a unit, and mounted in said hollow portion of said stock as a unit. The arrangement according to claim 1, wherein said stock (64') and said holder (63') are formed as a unit, said holder having an engaging portion (80) formed on a top thereof, said stamp portion (62') having a fitting portion (78, 79) on its side opposite to said stamp surface-forming portion (61), said stamp portion being mounted on said holder by fitting said fitting portion of said stamp portion on said engaging portion of said holder. A stamp-making arrangement, comprising a stamp material (Aa) including a stamp portion (62) having a stamp surface-forming portion for forming a stamp surface therefrom and a stock (64) for holding said stamp portion; a stamp-making apparatus (1) having first positioning means (51, 52); and a stamp material-setting jig (D) for setting the stamp material in the stamp-making apparatus, said stamp material-setting jig having a mounting recess (81) formed in a first surface thereof for mounting said stock therein, and second positioning means (68, 69) formed in a second surface thereof opposite to said first surface, said second positioning means adapted to cooperate with said first positioning means for effecting positioning of said stamp material in said stamp-making apparatus. The arrangement according to claim 7, wherein said stamp material (Aa) has a motion-inhibiting portion (83) and said mounting recess (81) has a motion-inhibiting portion-engaging portion (82) for engagement with said motion-inhibiting portion for inhibiting said stamp material from moving in its lengthwise direction relative to said stamp material-setting jig. The arrangement according to claim 7 or 8, wherein said stock (64) of said stamp material (Aa) has a substantially cylindrical shape and a rotation-inhibiting portion (86) formed thereon and said mounting recess (81) of said stamp material-setting jig has a receiving portion (87) for engagement with said rotation-inhibiting portion for inhibiting said stock from revolving in said mounting recess. The arrangement according to claim 12, wherein said mounting recess (81) of said stamp material-setting jig (D) has a substantially semi-cylindrical shape complementary to said substantially cylindrical shape of said stock (64), one of said rotation-inhibiting portion (86) and said receiving portion (87) being a projection, while the other one is a recess. The arrangement according to claim 7 or 8, wherein said second positioning means (68, 69) comprises a plurality of holes arranged spaced apart from each other, said mounting recess (81) being formed in a manner not to communicate with any of said plurality of holes. The arrangement according to claim 7 or 8, wherein said stamp material-setting jig (D) includes a stamp surface-discriminating portion (101) which enables the stamp-making apparatus (1) to identify said stamp material-setting jig. The arrangement according to claim 7 or 8, wherein said stamp material-setting jig (D) includes a stamp surface size-discriminating portion (101) which enables the stamp-making apparatus (1) to discriminate the size of said stamp surface-forming portion of said stamp material (Aa). The arrangement according to claim 13, wherein said mounting recess (81) is capable of having each of a plurality of stamp materials (Aa) differing in the size of their stamp surface-forming portion mounted therein, said stamp surface size-discriminating portion (101) including a plurality of holes formed in a surface of stamp material-setting jig (D) at respective locations, and a blocking plate (92) is removably mounted on said surface of said stamp surface size-discriminating portion for closing predetermined ones of said holes in a manner corresponding to said size of said stamp surface-forming portion of the stamp material (Aa) actually mounted in the mounting recess (81), said respective locations of said holes and open and closed states of said holes defining type-discriminating patterns which enable said stamp-making apparatus (1) to discriminate said size of said stamp surface-forming portion of said stamp material. The arrangement according to claim 7, wherein the stamp material comprises a stamp size-discriminating portion for enabling said stamp-making apparatus (1) to discriminate the size of said stamp surface-forming portion. The arrangement according to claim 15, wherein said stock (64) of said stamp material (Aa) has a substantially cylindrical shape and a rotation-inhibiting portion (86) formed thereon and said mounting recess (81) of said stamp material-setting jig (D) has a substantially semi-cylindrical shape complementary to said substantially cylindrical shape of said stock (64) and a receiving portion (87) for engagement with said rotation-inhibiting portion for inhibiting said stock from revolving in said mounting recess, one of said rotation-inhibiting portion (86) and said receiving portion (87) being a projection, while the other one is a recess. The arrangement according to claim 15 or 16, wherein said positioning means (68, 69) comprises a plurality of holes arranged spaced apart from each other, said mounting recess (81) being formed in a manner not to communicate with any of said plurality of holes. A stamp assembly comprising: a stamp portion (62) including a stamp surface portion (61) having a stamp surface formed thereon; and a stock (64) for removably mounting said stamp portion (62) on a first surface thereof; characterized in that said stock (64; 63, 64) has, in a second surface thereof substantially perpendicular to said first surface, one or more positioning holes (68, 69) for positioning the stamp assembly in a stamp-making apparatus.

Inventors: HAYAMA HOTISHI, HAYAMA, HOTISHI
Applicants: KING JIM CO LTD, SEIKO EPSON CORP, KING JIM CO., LTD., SEIKO EPSON CORPORATION
Application year: 1997
Main classification: B41K1
IPC codes: B41K1, B41D7