ADHESIVE SLASH POCKETS

Abstract: The invention relates to adhesive slash pockets of web ma­ terial, the basis thereof being a self-adhesive web materi­ al, for example av paper web (2) which is releasably appli­ ed to a web-shaped carrier (1). For the purpose of provi­ ding slash pockets which on their carrier, i.e. before be­ ing used, can be treated in a computer means for the prin­ ting of information in the area of the pockets for thereby facilitating the preparation of books to be used in libra­ ries, there is according to the invention suggested that in a center portion of a double web there is provided a double slit (3) going through both webs (2a,1), and that through substantially only the carrier web (1) there is cut a sing­ le slit (4a), which together with the double slit (3) en­ close a suitable area of the carrier (1), such that by pe­ eling the paper web (2a) from the carrier (1) the portion of the carrier web (1) being enclosed by the double slit (3) and the single slit (4a), will remain on the rear side of the paper web (2a), such that by permanent adhering of the paper web (2a) to an object, for example the inside of a book cover (8), there will be provided a slash pocket, in which the double slit (3) becomes the mouth of the pocket and the size of the pocket is given by said portion (4) of the remaining carrier web. Possibly, there may be used a self-adhesive paper web (2′) having adhesive free fields (20n) which together with a through-going slit (3n) can form pockets.

Description: Field of Invention The present invention relates to a method for manufacturing adhesive slash pockets from web material, such slash pockets being primarily but not exculsively for use with library books. State of The Art In connection with the preparation of books used in libraries, it is usual that a slash pocket is glued to the inside of one of the cover pages of the book, said pocket holding a register card or an author card, Previously known slash pockets are usualy provided as a small envelope or pouch having a rear portion which is secured to the cover page, and a front portion which completely or partly covers the rear portion and joins the latter to form a pouch. Such pre-manufactured pouches are relatively costly to procure, and smaller labels which can be used for marking the various types of register cards used by the libraries, must be delivered in parcels separate from the slash pockets. Beside, the application of information onto the pockets must usually be effected by hand. It is also known from US Patent Specification No 3424636 to provide a method of forming a pocket device for library cards from web material having a rectangular sheet of paper bearing pressure sensitive adhesive on its rear face and with a protective covering of readily peelable material and with an opening formed in the sheet and protective covering. The protective covering is partly peeled off from the paper sheet to reveal adhesive and applied to the inner face of a book. It is known from AU-B-505284 to provide a blank for a stick-on pocket comprising a rectangular sheet coated on one side with adhesive and a backing sheet, the blank being cut along its middle to form two detachable half sections, each half section being provided with an oblique cut to enable detachment of the pocket sections either side of the cut, each blank thereby giving rise to four stick-on pockets. Brief Disclosure of The Invention The object of the present invention is to provide an improved construction of slash pocket, especially for use in connection with library books, wherein the slash pockets are manufactured from continuous webs, the portions of the webs constituting the individual pockets at the same time having applied data there-onto by running the web through a computer means. Such a production of finished printed slash pockets, possibly together with associated smaller labels which can be used for marking the various types of register cards will enable am improved slash card to be made and will reduce the costs in connection with the preparation of library books. According to the invention, there is provided a method for manufacturing adhesive slash pockets, the method comprising; initially providing a running length of flat unfolded self-adhesive web material releasably attached to a flat unfolded web-shaped carrier; punching in the self-adhesive web, but not the carrier, an outline of a web sheet which is to become a slash pocket; providing inside said outline a slit going through both webs, which slit is to become the pocket mouth; and providing a single slit which is cut only in the carrier web, and which together with the double slit, encloses a portion of the carrier, which portion is located inside said outline, such that upon peeling the web sheet from the carrier the portion which is enclosed by the double slit and the single slit will remain on the rear side of the web sheet, and such that upon permanent adhesion of the web sheet on to an object, for example the inside of a book cover, there will be formed a slash pocket in which the double slit becomes the mouth of the pocket and the size of the pocket is given by said portion of the remaining carrier web. Appropriately, the basis may be a continuous length of a self-adhesive paper web which is releasably applied to a carrier web of the same dimension, the punching of the selfadhesive web alone providing an outline of a web sheet which is to become the slash pocket, and that inside this outline there is provided a slit going through both webs and becoming the pocket opening, whereafter in the carrier web alone there is punched a portion located inside said outline and comprising the double slit for thereby forming the pocket portion. The through-going slit can take various shapes, but should preferably be provided with a longer straight portion which at the ends are terminated in a bent portion which firstly extends at a right angle relative to the longer portion and thereafter is curved outwardly. Preferably, the margin portion of the through-going slit could then be provided with a flap which can be folded outwards, and it can then be preferable to apply a weak "folding line" which facilitates the outward folding of the flap. By means of such a flap which is folded outwardly, the insertion of an author card or loan ticket or other information or identification cards can be effected more easily. Simultaneously with the punching of the outline of the paper sheet which is to form the pocket, there may appropriately be effected punching of smaller labels which are to be used for marking the object to which the label is to be attached, or one or more cards which are to be held in the pocket. Other special features and advantages of the present invention will in the following be further disclosed, reference being had to the Figures of the drawing illustrating various embodiments of the present invention. Thus, the Figures not only illustrate how the present invention can be implemented, but also how a slash pocket is produced according to the invention, as well as how such a slash pocket will appear after being adhered to an object. Brief description of the Figures of the drawing Fig. 1 illustrates an intermediate step of the method according to the present invention, for manufacturing adhesive slash pockets, the pockets here being manufactured in continuous webs. Fig. 2 illustrates diagramatically how a blank for a slash pocket will have its pocket element released from its carrier web. Fig. 3 illustrates the pocket element of a slash pocket in a condition ready for adhering to an object. Fig. 4 illustrates a slash pocket adhered to an object, here on the inside of a book cover. Fig. 5a and 5b is a front view and side view, respectively, of a variant of a blank for a slash pocket accoding to the invention. Fig. 6 illustrates the pocket portion of the variant according to Fig. 5a and 5b, adhered to an object. Description of preferred embodiments In Fig. 1 there is illustrated a continuous length of a web-shaped carrier 1, onto which are attached a plurality of self-adhesive sheets of another web material, preferably paper sheets, the paper sheets here being designated 2a, 2b, 2c etc., respectively. It is to be understood that the configuration illustrated in Fig. 1, can have been realized on the basis of a continuous length of a self-adhesive paper web 2 which is detachably applied to the carrier web 1 of the same dimension. The configuration according to Fig. 1 is appropriately provided by punching the paper web 2 alone for the forming of the outline of the separate paper sheets 2a, 2b, 2c which are to become individual slash pockets, there being in each paper sheet 2a, 2b,2c punched a slit 3 going through both webs, i.e. through the paper sheets 2a,2b,2c and the underlying web-shaped carrier 1. This double slit 3 is to become the opening of a pocket, and in order to provide a pocket portion which does not stick to the object onto which the slash pocket is to be adhered, there is in the carrier web 1 alone punched a portion 4 located inside said paper sheet outline and comprising the double slit 3 for thus forming a pocket portion. In Fig. 1 the frame of the pocket portion 4 is illustrated by means of the dashed punching line 4a, it being understood that this line 4a constitutes the slit which has been cut primarily only through the carrier web 1. In Fig. 1 there are on the carrier web 1 illustrated not only the paper sheets 2a,2b,2c etc., but also a plurality of smaller labels 5a,5b,5c etc., a set or a plurality of such labels being provided for each paper sheet. Between the individual paper sheets on the carrier web 1, there are provided tearing lines 6, a fact which involves that the individual paper sheets or slash pocket blanks can be teared off from the continuous web 1, together with an appropriate piece of carrier material. In the carrier web 1 there is also provided rows of holes 7 in each marginal zone of the carrier web 1, said holes allowing for sprocket wheel feed of the half-finished product according to Fig. 1, for example for feeding through a computer assembly in which the individual paper sheets can have printed onto them information concerning the field of application in which they are to be used at a later stage. In Fig. 2 it is illustrated how during the peeling of the paper sheet 2a from the carrier 1, the pocket portion 4 of the carrier web 1 enclosing the double slit 3 and the single slit 4a in the carrier, remains on the rear side thereof, here the adhesive rear side 2aa of the paper sheet 2a, the carrier 1 being left with a hole 4b corresponding to the pocket portion 4. Fig. 3 is a rear view of the paper sheet 2a fully peeled from the carrier 1, the pocket portion 4 here still being adhered to the adhesive rear side 2aa of the paper sheet 2a. By permanent sticking of the paper sheet 2a, for example on the inside of the cover page 8 of a book 9, as it appears from Fig. 4, there will be formed a slash pocket of which the double slit 3 becomes the mouth of the pocket, and the size of the pocket is given by said pocket portion 4 of the remaining carrier web. In Fig. 4 it is also shown a card 10 which has been inserted into the pocket 4 and partly protrudes therefrom through the mouth 3. The labels 5a,5b discussed in connection with Fig. 1 can for example be adhered to the card 10 for further identification thereof, depending of the types of register cards which for example a library is using. In the embodiments illustrated in Fig. 1 to 3 the double slit takes the form of an elongated S, and at one of the end portions there is provided a round weakning portion 11 reducing the risk of breakage. In the embodiment according to Fig. 5a, 5b and Fig. 6 the double slit, here designated 3a, takes the form of a longer straight portion which at the ends is terminated in a curved portion which firstly extends at a right angle relative to the longer straight portion and thereafter is curved outwardly. By this shape of the slit there is formed a flap portion 12 which at its lower edge is provided with a feeble folding line 13 facilitating the folding of said flap portion, as this is illustrated in Fig. 5b. In Fig. 6 the paper sheet 2a is adhered to a support, also here the cover page 8a of a book 9a, and the flap portion 12 which is folded outwardly will also here aid in a facilitated insertion of the card into the pocket 4, in the same manner as explained previously in connection with Fig. 4. It is to be understood that the present invention can be implemented in a series of different ways. For example the blanks of the slash pockets can be provided on the one side of a continuous web composed of a carrier web and a self-adhesive paper web, for example the one side being used as pocket blanks, whereas the other side of the web being used for labels of various size and shape. It is to be understood that the pocket material can be different from paper, depending on the object to which the pocket is to be adhered.

Claims: A method for manufacturing adhesive slash pockets from web material, the method comprising: initially providing a running length (2) of flat unfolded self-adhesive web material releasably attached to a flat unfolded web-shaped carrier (1); punching in the self-adhesive web (2), but not the carrier (1), an outline of a web sheet (2a, 2b, 2c) which is to become a slash pocket; providing inside said outline a slit (3) going through both webs (2a, 1), which slit is to become the pocket mouth; and providing a single slit (4a) which is cut only in the carrier web (1), and which together with the double slit (3), encloses a portion (4) of the carrier (1), which portion (4) is located inside said outline, such that upon peeling the web sheet (2a) from the carrier (1) the portion (4) which is enclosed by the double slit (3) and the single slit (4a) will remain on the rear side of the web sheet (2a), and such that upon permanent adhesion of the web sheet (2a) on to an object, for example the inside of a book cover (8), there will be formed a slash pocket (4) in which the double slit (3) becomes the mouth of the pocket and the size of the pocket is given by said portion (4) of the remaining carrier web. A method according to claim 1 characterised in that at the same time as the punching of the outline of the web sheet (2a) there is carried out punching of smaller labels (5a, 5b) which can be used for marking the object (8, 9) on to which the pocket is to be adhered, or the card or the cards (10) to be accommodated in the pocket. The method as claimed in claim 1 or claim 2 characterised in that the double slit (3) which is provided through both of the webs (2, 1) is given the shape of an elongated S. The method as claimed in any one of the claims 1 to 3, characterised in that the through-going slit (3a) is given a shape having a longer straight portion which at the ends is terminated in a deflected portion which firstly extends under a right angle relative to the longer portion and thereafter is curved outwardly. The method as claimed in claim 4, characterised in that the edge portion (12) of the through-going slit (3a) has a feeble folding line (13) for facilitating the outwardly bending of said portion (12).

Inventors: HEKTOEN, PER
Applicants: MOORE BUSINESS FORMS, INC.
Application year: 1987
Main classification: B42F21
IPC codes: B42F7, B42F5, B42F21