baber/WOPTO huggingface dataset:
Patent GB-486525-A (GB)
Title: Improvements in or relating to combined shutter release and focussing mechanism of photographic cameras
IPC: G03B9/58
Filed: 1936-12-03
Abstract: 486,525. Photographic cameras. KODAK, Ltd. Dec. 3, 1936, No. 33170. Convention date, Dec. 27, 1935. [Class 98 (i)] An external member is provided on the casing of the camera capable of two movements, one, for example a rotation, for effecting focusing of the camera, and the other, for example a sliding movement, for operating the release of the objective shutter. In the form shown, as applied to a folding camera, the shutter release 8 is operated by the upturned end 33 of a lever 31 pivoted to a plate 6 sliding on the baseboard 2, and having a slot 29 at the end engaging a pin 28<1> on a lever 25 pivoted on the baseboard. The inner end of the lever 25 carries a pin 27 engaging a slot 26<1> in a sliding plate 10. The operating knob 14 has a pin 18 bearing on a sleeve 20 in contact with the end of the plate 10. The pin also lies in a slot in a sleeve 15 which carries a threaded rod 34. A double nut 37 sliding on the rod 39 engages the rod 34 so that rotation of the knob 14 causes transverse movement of the nut 37. The nut is coupled by a link 42 to one arm of a bell-crank lever 44, the other arm carrying a link 48 secured to the plate 6 which carries the lens-front 9. Rotation of the knob 14 accordingly effects the movement of the lens front for focusing, whilst a sliding movement of the knob is transmitted by the members 10, 25, 31 to operate the shutter.
Patent GB-879294-A (GB)
Title: Seam guide for sewing machines
IPC: D05B35/10
Filed: 1958-10-17
Abstract: 879,294. Sewing-machines. SINGER MANUFACTURING CO. Oct. 17, 1958 [Oct. 24, 1957], No. 33212/58. Class .112 [Also in Group XXV]. A sewing-machine seam guide comprises a seam guide arm 34, a body 32 and a clamping screw 33. The body is provided with a pair of upstanding fingers 42 defining a groove which receives the arm 34. The clamping screw has a shank 44 located in a recess 39 in the body and has an annular groove 51 received in a slot 58 in the arm. To disassemble the guide the arm is moved to bring the wider part 59 of the slot 58 adjacent the clamping screw, a raised finger 61 on the arm being first manually pressed down to clear the rim 48 of the screw head and so permit the flange 46 to move into the part 59 to allow separation of the parts. The arm is flexible to allow its work-guiding foot 54 to move up with the presser foot when the latter is raised. By rotating the arm 34 about its screw 33 the seam guide can be used to stitch a curved seam.
Patent GB-410522-A (GB)
Title: Improvements in and relating to laundry ironing machines
IPC: D06F67/00
Filed: 1932-11-24
Abstract: 410,522. Ironing machines. DEWHURST, F., Westwood Works, Peterborough, and BAKER PERKINS, Ltd., Hythe Road, Willesden, London. Nov. 24, 1932, No. 33231. [Class 138 (ii).] Means for drying the padding of the roller of a Decoudun machine comprise a hood 11 closed at its ends and connected to a source of suction. The mouth of the hood, which may be provided with a perforated plate, covers a portion of the padding not in contact with the bed, the padding being spaced slightly from the perforated shell of the roller by resting on wire mesh or other fabric located in a longitudinally extending annular space on the roller surface. The hood may be heated at one or both sides and is removably positioned with respect to the roller as by being carried on slides in a vertical guideway or on arms pivoted near the feed side of the roller.
Patent GB-860111-A (GB)
Title: Improved gramophone records
Filed: 1958-10-17
Abstract: 860,111. Gramophone records; driving. SOC. D'APPLICATIONS INDUSTRIELLES PLASTIQUES. Oct. 17, 1958 [Dec. 23, 1957], No. 33267/58. Class 40 (2). A very thin gramophone record 1 has a non- circular centre-hole, formed by punching out at least two intersecting slots such that the resulting tongues 6, 7 engage a round centrespindle 10 by friction, as shown, or a non- circular centre-spindle (Fig. 3, not shown) of cross-section similar to the hole in the record, so that drive of the record may be achieved. In a further embodiment (Fig. 1, not shown) the record may further include a detachable sideflap, by means of which it may be incorporated in a " fold-flat " book.
Patent GB-1031456-A (GB)
Title: Oscillators employing semi-conductor devices
Inventor: WRIGHT MAURICE JAMES
IPC: H02M7/515
Filed: 1961-09-18
Abstract: 1,031,456. Semi - conductor oscillators. JOSEPH (INDUSTRIES) Ltd. Sept. 3, 1962 [Sept. 18, 1961], No. 33326/61. Heading H3T. A rectangular-wave oscillation generator comprises a semi-conductor controlled rectifier of the type as described in Specification 1,031,451 (see Division H1), which can be switched from the conducting to the non- conducting condition by the application of a suitable reverse potential to its gate electrode, the semi-conductor controlled rectifier being connected in series with a load in its cathode circuit across a voltage source, the gate electrode being connected to a voltage intermediate those at the terminals of the voltage source and a inductor or capacitor being so connected in the cathode gate circuit of the rectifier that oscillations are maintained with the rectifier becoming alternately conductive and non-conductive. In a first embodiment an inductor 12 is connected between the gate electrode and the point 8 of intermediate potential. Current increases in the inductor and hence into the gate until the rectifier fires; the voltage between cathode and point 8 then reverses and current builds up in the inductor in the opposite direction until the rectifier is cut off. In a modification, Fig. 2 (not shown), the inductor is replaced by a resistor through which a capacitor connected between gate and cathode alternately charges and discharges. In the further modification, Fig. 3, charging and discharging is effected through respective variable resistors 15, 17, whereby the mark-space ratio may be varied. Four-layer diodes 19, 20 connected as shown, Fig. 5, in series with protective diodes 21, 22 therefor, may be provided to prevent shunting of the capacitor 14 by the gate-cathode circuit. In Fig. 5, variable resistor 24 may be constituted by a thermistor, photo-cell, transistor or tachometer, the condition of these devices then controlling the current flow in the load 11.
Patent GB-1008367-A (GB)
Title: Improvements in or relating to the curing of resins and resinous materials
Inventor: COPLEY-MAY VICTOR
IPC: C08J3/24
Filed: 1960-09-29
Abstract: <PICT:1008367/C3/1> <PICT:1008367/C3/2> A resin or resinous material is shock cured by application of a low frequency alternating voltage at a temperature high enough for the initial current to generate sufficient heat to counterbalance radiation and conduction losses, the voltage being reduced as the conductivity of the resin or resinous material increases up to the maximum conductivity which is followed by a sharp fall to the low conductivity of the cured material.  Phenolic resins are preferred, particularly a laminate comprising phenolic resin-impregnated asbestos cloth (see Specification 1,008,366). Fig. 1 illustrates an apparatus for implementing the process.  The material 7 to be shock cured is placed between electrodes 5, 6 connected through a series resistance R to a constant source 1 of A.C. voltage.  In Fig. 2 an auto-transformer 10 is supplied with A.C. voltage Vs.  End 11 of the transformer is connected to electrode 6.  Either the other end 12, or an intermediate tapping point 13 may be connected to the other electrode through resistance R1 by means of a relay contact set ReA.  In operation contact ReA1 is closed to supply maximum voltage through resistance R3 to the material 7.  As the resistance of material 7 decreases the voltage drop across R1 and R3 increases until the voltage across the relay coil ReC is insufficient to hold the armature closed.  Contact ReA2 then closes and the voltage supplied to 7 is decreased.
Patent GB-861120-A (GB)
Title: Improvements in and relating to electromagnetic vibratory interrupters
Inventor: JONES EDWARD SAMUEL
IPC: H01H50/76
Filed: 1956-11-02
Abstract: 861,120. Electromagnetic interrupters. PLESSEY CO. Ltd. Sept. 30, 1957 [Nov. 2, 1956], No. 33466/56. Class 38 (5). An electromagnetic vibratory interrupter 1 is supported within a housing 4 by a resilient member 2, preferably of sponge rubber, which fits into the housing and has a platform 3 with an opening slightly smaller than the base of the interrupter 1 so as to hold the latter in the member 2. A circumferential recess 5 of the housing 4 retains the member 2 in position and flexible leads 6 connect the interrupter and plugs 7 mounted in a rigid disc 8.
Patent GB-303635-A (GB)
Title: Improvements in and relating to steam superheating
IPC: F22G7/14
Filed: 1927-12-10
Abstract: 303,635. Johnson, J. Dec. 10, 1927. Water-tube boilers having upper and lower drums connected by water-tubes are provided with superheater tubes which are secured at least at one end to one or more of the steam-and.water drums and are arranged along the whole or part of the drum in rows transverse to its axis and between and alternating with similar rows of water-tubes. In a boiler having outwardly curved tubes C', C<2>, as described in Specification 288,470, a pair of tubes F form one leg of a loop and deliver into a pocket G by way of the return leg F<1>. The steam then traverses a second loop F<2>, F<3>, superheated steam being drawn from a pocket G<1>. The tube rows F - - F<3> are alternated along a part or whole of the length of the drum A with rows of the water-tubes C<2>. A few rows C<1> near the furnace are of larger diameter than the outer rows C<2>. In modifications the steam may make only one double pass through the hot gases and one or more of the internal pockets may be replaced by an external header or headers.
Patent GB-521075-A (GB)
Title: Improvements in or relating to stereoscopic apparatus
IPC: G03B35/10
Filed: 1938-11-18
Abstract: 521,075. Stereoscopic kinematography. BOSCH GES., R. Nov. 18, 1938, No. 33509. Convention date, Nov. 18, 1937. [Class 97 (i)] A system for taking stereoscopic moving pictures comprises objectives 3, 7, Fig. 1, and two pairs of inclined parallel mirrors 1, 2 and 5, 6. The left-hand view is formed on the filin 4 by rays doubly reflected at the mirrors 1, 2, and the right-hand view by rays doubly reflected at the mirrors 5, 6, the two bundles of rays crossing each other between one objective, e.g., 3, and the second mirror, e.g., 2, of the pair associated with the other objective. A positive film printed from the resulting negative film with the emulsion sides of the films in contact may be projected in an ordinary projector with the picture side facing away from the light source, and the projected image will be correct when viewed from the projector side of the screen. If projected with the picture side facing the light source, the reversed image similarly seen may be corrected by viewing the screen 9, Fig. 3, through a pair of eyepieces 11, 12 by reflection in an inclined mirror 10.
Patent GB-415741-A (GB)
Title: Improvements in electrical starting devices for internal combustion engines
Filed: 1932-11-29
Abstract: 415,741. Starting prime movers. ECLIPSE MACHINE CO., Elmira, New York, U.S.A. Nov. 29, 1932, No. 33766. Convention date, Nov. 30, 1931. Addition to 414,351. [Class 38 (iv).] An electrical starting device for an internalcombustion engine has means responsive to reverse rotation or backfire of the engine to render the starter inoperative under such conditions which is responsive also to forward rotation to render the starter inoperative upon commencement of normal running. The starting apparatus comprises a starting switch 5 electromagnetically closed by a circuit including a manual control switch 9 which is rendered ineffective by the operation of the invention. In the form shown in Fig. 1 a diaphragm 29 is coupled to a contact member 32 mounted between springs 35, 36 of different strengths so that connection between spring pressed contacts 33, 34 in the control circuit is broken when a comparatively small back pressure occurs in the intake due to back-firing but is maintained until substantial suction is established corresponding to effective starting. In this arrangement automatic restarting is subject to the time delay introduced by the vibrating contact 14, 15. A modification shown in Fig. 2 prevents starting until the engine has come to rest after forward or backward rotation. The contact member 43 is coupled to a piston having an annular space 58 normally in communication with an adjustable bleeder passage 61 and communicating also by a hole 62 with the space in the cylinder 39. The cylinder communicates with the intake system 28 through a check valve 63 and an adjustable byepass 64. When the engine rotates backwards the pressure in the intake opens the valve 63 and the piston is moved to the right to open the control circuit comprising the manual switch 9. The skirt of the piston closes the bleeder passage and the check valve closes so that the piston returns the contact member 43 after a time interval determined by the byepass adjustment. The bleeder passage prevents sufficient vacuum in the cylinder until the engine is effectively started whereupon the piston moves to the left and the bleeder passages is again closed. Should the engine fail the vacuum is retained in the cylinder 39 for a time interval determined by the byepass 64 whereupon, the engine having come to rest the contact member 43 returns to its normal position and the starting control circuit is closed. A further modification is shown in Fig. 5 having a different contact arrangement 67 and with check valve 74, bleeder passage 75 and byepass 73 operating as described.
Patent GB-758316-A (GB)
Title: A mechanism for operating the hackle bars of single or intersecting gill boxes in the preparation for spinning of textile fibres
IPC: D01H5/06
Filed: 1954-11-23
Abstract: 758,316. Gill boxes. TERNATEX SOC. R. L. Nov. 23, 1954 [Oct. 29, 1954], No. 33928/54. Class 120 (1).  The faller or hackle bars of gill boxes are driven during their fibre-working runs by triplethread constant-pitch screws 2 and returned by screws 4 which are triple-threaded and have a pitch decreasing towards the ends of the screws.
Patent GB-666483-A (GB)
Title: Improvements in or relating to motor vehicles
IPC: F41H7/00
Filed: 1947-12-23
Abstract: 666,483. Gun carriages. AGHNIDES, E. Dec. 23, 1947. [May 5, 1942] No. 34004/47. Class 92 (i). [Also in Groups XXXI, XXXIII and XXXIV] Relates to a motor vehicle (see Group XXXI) in which a body member (i is mounted between hemispherical propelling members 2, 3. Mounted in the body member is a gun 20, Fig. 1, and a retractible or extensible wheel is carried by the body member to vary the elevation of the gun. In a modification, Fig. 5, the gun 20 is universally mounted at 20v in the body member 6. Specification 666,549, [Group XXXI], is referred to.
Patent GB-467024-A (GB)
Title: Improvements in or relating to electrolytic condensers and other electrolytic devices
IPC: H01G9/04
Filed: 1935-12-09
Abstract: 467,024. Electrolytic etching. DUBILIER CONDENSER CO. (1925), Ltd., and MOORE, N. C. Dec. 9, 1935, Nos. 34045/35, 7248/36, and 13622/36. [Class 41] Film-forming metals such as aluminium are treated by immersion in an electrolyte solution through which alternating current is passed under such conditions that minute pores or craters are produced in the surface of the metal whereby its effective surface area is increased. The metal may be disposed between the electrodes or may itself constitute an electrode. The electrolyte should be maintained at about 70‹ C. It may consist of a 1 per cent solution by volume of an acid or a mixture of acids, preferably a mixture of hydrochloric, nitric and sulphuric acids. The electrode or electrodes are preferably of graphite. The electrolyte may also consist of an aqueous solution of sodium chloride ; in this case electrodes of the metal sold under the Registered Trade Mark " Monel " may be used. In the apparatus shown in Fig. 1, aluminium foil A connected as one electrode is fed from a roll A<1> beneath rollers B<3>, B<4>, and through an electrode D consisting of a rectangular frame of carbon plates to a roller F, thence passing through spraying and washing baths to a winding drum. The electrolyte is maintained at the required temperature by a cooling coil B<1>. The concentration of the electrolyte is maintained constant by a drip feed E of dilute acid which may be regulated by hand or automatically to maintain the current between the electrodes constant. Evaporation loss may be made up by a separate feed of water. Large rollers only partially immersed may be used instead of the rollers B<3>, B4. In a modification two strips are fed through the bath so as to constitute opposite electrodes. In the apparatus shown in Fig. 2, the strip A is passed in succession through two etching baths K, L containing electrodes D2, D3 connected to a transformer C<5>, the strip constituting an intermediate electrode. The electrodes D<2>, D<3> are arranged so as to etch both sides of the strip. After leaving the bath L the strip is passed through a bath containing 2 per cent caustic soda solution at 60-70‹ C. to remove any oxide film formed during etching, then through a bath containing a 5 per cent sulphuric acid solution at 60-70‹ C. to neutralize the alkali, a gelatine bath at 100‹ C. for the removal of traces of acid and aluminium salts as described in Specification 448,163, and a final hot distilled water bath. The strip may then be dried and wound or it may be subjected directly to a forming treatment, e.g. in the manner described in Specification 398,825. The etched and formed strip may be employed in the production of condensers of the kind described in Specifications 439,530 and 453,058.
Patent GB-473934-A (GB)
Title: Improvements in or relating to process and apparatus for the heat treatment of milk
IPC: A23C1/12
Filed: 1936-12-11
Abstract: In the production of condensed and sterilized milk, the raw milk after being rapidly preheated in a heater 2 and then heated to sterilizing temperature in a heater 4 is subjected to a sudden drop of pressure as it is introduced into an evaporator 7 wherein water vapour is instantaneously released.  The vapour is mainly condensed in a cooler 9 after flowing through the preheater 2 and condensates from both may be returned to the evaporator through pipes 17, 18 or withdrawn together with uncondensed vapour by a pump 13.  A sterilizing <PICT:0473934/III/1> temperature of 115 DEG  C. is specified, and the evaporator may be below, equal to, or greater than atmospheric pressure.
Patent GB-1384388-A (GB)
Title: Rolling machines
IPC: B21H5/02
Filed: 1971-11-08
Abstract: 1384388 Rolling FORMFLO Ltd 20 Oct 1972 [8 Nov 1971] 34075/74 Divided out of 1384387 Heading B3M  A rolling machine has two or more heads 112, 114 each composed of a front part 130, and a rear part 132, with a roller 116, 118 journalled in the front' part, the orientation of each of the rollers being adjustable by altering the relative positions of the front and rear head parts to alter the angle of the roll. The heads 112, 114 are advanced by an hydraulic ram whose pistonrod 144 is connected to the rear part of the respective head. The heads are linked by linkage 158, 162 for equal and simultaneous movement. The changing of the roll axes orientation is used to compensate for roll wear or taper or to introduce deliverate skewing. The adjustment of the rolls is effected by mounting each roll in a yoke 122 which is fixed by bolts 138 to lugs 136 on a plate 134 rotatably mounted on the piston-rod 144 of the hydraulic ram. The plate 134 has adjustment screws 170 which engage the yoke to pivot it about a pair of aligned pins (146), Fig. 2 (not shown), extending radially of the piston-rod 144. The bolts 138 are loosened for the adjustment. The plate 134 can also be angularly adjusted to deliberately cant the roll or to make its axis parallel to the other roll if necessary. This adjustment is effected by a jacking screw (180), Fig. 3 (not shown), after loosening of bolts 167, to allow rotation of the plate 134 around the piston-rod 144. The yokes 122, 124 for the rolls 116, 118 are mechanically connected by a lever linkage to ensure simultaneous and equal movement towards the workpiece.
Patent GB-397351-A (GB)
Title: Improvements in table game apparatus
IPC: A63F5/04
Filed: 1932-12-02
Abstract: 397,351. Games of chance. KUDLORZ, F., 5, Hiittenstrasse, Gleiwitz, Upper Silesia, Germany. Dec. 2, 1932, No. 34145. Convention date, Dec. 3, 1931. [Class 132 (ii).] In apparatus for playing games of chance of the kind comprising coaxial numeral discs e, h adapted to be set in motion by the same operating element and to be braked and positioned by a magnet o for exhibiting numbers at a window in the casing b, the discs co-operate with the magnet through the medium of armature strips d, g which are bent down from the edges of the discs and rotate in different paths, the pole pieces of the magnet being stepped in conformity with the paths of the strips. The discs are rotated by a knob i rigid with a sleeve f that surrounds a shaft c and carries the upper disc h. The sleeve may be temporarily connected to the lower disc e by depressing the knob against the action of a spring k and thus pressing the upper disc into frictional engagement with a washer m on the lower disc. The discs may be marked with questions and answers instead of numerals.
Patent GB-1134572-A (GB)
Title: Improvements in or relating to the measurement of the concentration of nitrite in nitrite-accelerated aqueous acidic phosphatizing solutions
Inventor: HELLER FERDINAND PHILLIP
IPC: G01N7/14
Filed: 1967-07-25
Abstract: 1,134,572. Nitrite determination in phosphatizing solutions. AMCHEM PRODUCTS Inc. 25 July, 1967 [25 July, 1966], No. 34146/67. Heading B1X. [Also in Division C7U] Solid sulphamic acid is used for measuring the concentration of nitrite in an aqueous acidic nitrite/chlorate accelerated phosphatizing solution by mixing the sulphamic acid with a sample of the phosphatizing solution, and collecting and measuring the nitrogen gas thereby evolved.