baber/WOPTO huggingface dataset:
Patent GB-446774-A (GB)
Title: Improvements in or relating to fluid-pressure lifts for raising vehicles and like purposes
IPC: B66F7/18
Filed: 1935-01-21
Abstract: 446,774. Hydraulic load-lifting devices. TECALEMIT, Ltd., and CHALMERS, R. A., Great West Road, Brentford, Middlesex. Jan. 21, 1935, No. 1948. [Class 78 (iii)] In fluid-pressure jacks in which an air-tube extends axially up a cylinder and into its hollow ram, with its outlet at the top, a liquid, such as oil, occupying the lower parts of both ram and cylinder, means are provided for slowing down the movement of the ram toward the top of its stroke. Air forced up the tube 10 from its extensions 11, 12 presses the oil in the ram 3 out into the cylinder 1 through holes 17 in its base 14 and through the annular gap between a sliding check valve 15 and the tube 10. The rising base 14 comes against a bell - shaped restrictor 21 towards the top of its stroke, and this allows oil to reach the holes 17 &c. thereafter only after passing between the constrictor and its supporting surfaces. The constrictor normally rests on a collar 20 on the tube 10, and the tube may be given a conical shape 23 just above the collar in order gradually to increase the constrictive effect. Location rods 13 support the air-tube top in central position. The ram is cushioned also at the end of its down stroke by providing an enlargement 18 at the base of the tube 10. This causes the valve 15 to be arrested as it passes over the enlargement, and brings a flange 20 on the valve up against the holes 17 to close them against further passage of oil from the cylinder into the ram. A plug 9 is provided in the ram top 7 for filling purposes.
Patent GB-831384-A (GB)
Title: Improvements relating to fastening means
Inventor: SECKERSON CLIFFORD ALEXANDER
IPC: A47G27/04
Filed: 1957-01-18
Abstract: 831,384. Stud and socket fastenings. F.T. PRODUCTS Ltd. March 21, 1958 [Jan. 18, 1957], No. 1955/57. Class 44 A bush intended to be engaged in an apertured panel and to receive a snap fastener comprises an annular head 11, two or more arms extending outwardly and downwardly from the head and two or more approximately parallel legs extending downwardly from the head and having at their ends feet which are turned upwardly and outwardly. As shown the bush has three arms 12-14 and three legs 15-17 arranged symmetrically and alternately around the head each leg has feet 18-20. The bush is used by passing the legs through an aperture 24 in a panel 22 so that the arms engage one face of the panel 22 and the feet the other face. The bush is used with a known stud 35 of the type shown to secure a carpet 26 and underlay 25 to a floor panel 22.
Patent GB-384830-A (GB)
Title: Improvements relating to snap-action electric switches
IPC: H01H23/12
Filed: 1932-01-22
Abstract: 384,830. Snap-action switches. WILMOT-BREEDEN, Ltd.-and SPICER, H. J., Eastern Works, Camden Street, Birmingham. Jan. 22, 1932, No. 1975. [Class 38 (v).] A snap-action switch comprises a cylindrical body a, which terminates in an escutcheon plate h, and a baseplate d carrying a stop j and a pair of fixed contacts i (one only shown) each connected to a terminal f. A pair of arms k (one only shown) extend from the base, and have pivoted between their ends, a moving arm l carrying an insulated contact-piece m which bridges the fixed contacts i. and an actuating member in the form of a hollow cup c carrying a finger-piece n which protrudes through an opening in the escutcheon plate b. A torsion spring p, connected between the member c and arm l, imparts rapid switch action to the arm l when moved over the line of centres bv the actuating member c.
Patent GB-103703-A (GB)
Title: Improvements in Artificial Limbs.
Inventor: FARISH EDUARD ALPHONSUS
IPC: A61F2/80
Filed: 1916-02-11
Abstract: 103,703. Farish, E. A. Feb. 11, 1916. Limbs, artificial.- A socket for a limb stump comprises a shurt collar 7 having turnedover lugs 8 to which the limb case 3 is attached by screws 9. Riveted to the collar 7 is a wiremesh sleeve 12 forming a reinforcing-member for the plaster socket 6, which can he moulded in situ on the stump. Embedded in the lower end is a bolt 16 securing the socket to a resilient disk 17 engaging the walls of the limb case. Perforations 51 and upper openings between the collar 7 and the case ensure ventilation. The socket is connected by hinges 5 to the upper attachment 4, and telescopically to the lower part 2 by a tie-rod 20 and clamping - screws 19. For a thigh socket the collar is funnel-shaped. and the wire-mesh sleeve is held at its lower end by clamping-plates which are adjustably secured to the limb case by lugs and screws.
Patent GB-432418-A (GB)
Title: Improvements in and relating to the production of covered buckles or the like for use on belts, straps or other articles of wearing apparel
IPC: A44B11/00
Filed: 1935-01-22
Abstract: 432,418. Making buckles. UNITEDCARR FASTENER CORPORATION, 31, Ames Street, Cambridge, Massachusetts, U.S.A.-(Assignees of Cox, J. F. ; 96, Lake Street, Arlington, Massachusetts, U.S.A.) Jan. 22, 1935, No. 2109. Convention date, Feb. 2, 1934. [Class 83 (ii)] [See also Group VII] A covered buckle comprises a hollow form piece 1 of any desired shape having its edges 6 turned toward each other and a covering 2 of leather or other flexible material having its inwardly turned edges 5 gripped together in abutting relationship between the inturned portions 6. Teeth 3, 4, Fig. 2, may be formed on one or both edges of the form piece during the stamping operation and the buckle may be provided with a crossbar.
Patent GB-538600-A (GB)
Title: Improvements in or relating to fracture apparatus
IPC: A61B17/64
Filed: 1940-02-03
Abstract: 538,600. Splints. HAYNES, H. H. Feb. 3, 1940, No. 2165. Convention date, Feb. 4, 1939. [Class 81(ii)] Apparatus for holding the broken ends of fractured bones in position comprises a pair of base blocks 3 (Fig. 3) secured to the bone by means of skeletal screw pins 4 and extensible rods 9, which rigidly connect the two base blocks. The latter carry balls 8, and are fixed to the screw pins 4 by set screws 6. The balls 8 engage sockets in the enlarged ends of the extensible rods and are secured therein by means of screws 22. To enable the total length of the extensible rod to be varied, one portion is hollow so that the remaining portion can be telescoped into it, and fixation is effected by means of screw thimble 16 and slotted sleeve 11. The ball and socket joints enable the base blocks to be rigidly connected even when they are not in alignment and the base block shown in Fig. 4 is intended for use in extreme cases when the blocks cannot be fixed in approximate alignment. Specification 538,599 is referred to.
Patent GB-691280-A (GB)
Title: Sparking plug electrode
Inventor: STUMBOCK MAX JOSEPH
IPC: H01T13/39
Filed: 1951-01-29
Abstract: In a sparking plug electrode consisting of a compacted sintered mixture of silver or silver alloy and a refractory oxide, the constituents being initially in a finely divided condition and wherein the refractory oxide is distributed throughout the body of the silver along the grain boundaries of the crystals thereof, the refractory oxide constitutes approximately 0.01-10 per cent by weight of the mixture.  The refractory oxide may consist of any one or more of the alkaline earth metals of Group II of the Periodic Table referred to in the "International Critical Tables" (Vol. 1) such as beryllium, strontium or barium or of metals of Groups III for instance aluminium, scandium, yttrium and rare earth metals (Atomic Nos. 57-71) such as lanthanum, cerium or neodymium, IV e.g. zirconium or thorium and V e.g. vanadium or columbium or the sesquioxide of chromium in Group VI. The electrode may be produced by making a paste of silver powder and distilled water and adding thorium nitrate, the mixture being stirred whilst drying over a water bath; the dry powder is passed through a 100 mesh sieve and then pressed into a bar before being sintered for approximately one hour at 800-900 DEG C so that the material is converted into one having a compacted finely grained crystalline structure whilst the thorium nitrate decomposes to thorium oxide.  The bar is then either swaged, rolled or drawn and after annealing finally cold worked to the required shape.  The refractory oxides, the most suitable of which are the oxides of thorium, beryllium and aluminium, may be provided in the form of a dry powder, a paste or as a salt solution adapted to be decomposed to the oxide by heating.  The silver may comprise an alloy having a major proportion of silver and a minor proportion, generally not exceeding 20 per cent, of elements taken either from the group of precious metals, for instance gold or platinum group metals such as platinum, palladium, or ruthenium or from the group of base metals, for instance copper.
Patent GB-892752-A (GB)
Title: Transistor switches
Inventor: ALLEN DENNIS WILLIAM
IPC: H03K17/66
Filed: 1960-01-22
Abstract: 892,752. Transistor switching circuits. AVIATION, MINISTER OF. Jan. 20, 1961 [Jan. 22, 1960], No. 2378/60. Class 40(6). A transistor switch is so driven at its base that the collector and emitter currents are equal. The Figure shows complementary transistors connected through a resistor 4 to the virtually earthed input terminal of a summing amplifier 7. When transistor 1 is conductive the switching voltage from source 6 is more negative than the collector voltage and current accordingly flows to the base from both collector and emitter. The emitter 3 is so chosen that these currents are equal so that, if the transistor is of symmetrical type, the collector and emitter voltage drops are equal and opposite and the collector and emitter are at the same potential. Transistor 2 conducts when 1 is cut off and is also arranged to pass equal collector and emitter currents, though for this purpose, it may be necessary to use a separate base driving source. A resistor 5 compensates for the small positive voltage which may exist at the input of the amplifier when transistor 1 is cut off.
Patent GB-588129-A (GB)
Title: Improvements in or relating to tobacco cutting machines
IPC: A24B7/10
Filed: 1945-01-31
Abstract: 588,129. Tobacco-cutting machines. MOLINS, D. W., RUAU, F. F., DEARSLEY, G., and MOLINS MACHINE CO., Ltd. Jan. 31 1945, No. 2469. [Class 5 (i)] Relates to a rotary-knife tobacco-cutting machine of the type in which tobacco is compressed into a solid mass or, " cheese " which is fed to a slicing device. According to the invention, a vertically-stratified cheese is formed by convergent lateral conveyers, and the cutting blade is arranged to shear across the cheese substantially in the direction of compression of the cheese. In the form shown, tobacco leaves pass from a container 25 by way of a shoot 14 to the lower end of a laterallytapering passage formed by endless-belt conveyers. The floor of the passage comprises three parallel conveyers 10, 11 and 12, Fig. 2, of which the central conveyer 10 is the longest. The roof of the passage is parallel to the floor and is formed by a single conveyer 7 and fixed side plates, Fig. 6 (not shown). The side walls comprise forwardly-converging conveyers 8 and 9 which compress the tobacco into a verticallystratified cheese as it passes forwardly to a cutting mouth 3 across which knife blades 2 sweep. The blades, which are mounted on a spider 1 rotating about an axis 4, are arranged to shear across the cheese in a direction parallel to the direction of compression. The whole machine is tilted slightly so that the mouth 3 is at a higher level than the inlet end of the passage to allow for a conveyer (not shown) to carry away the cut tobacco. To facilitate the downward movement of the tobacco from the container 25, the rear wall 16 of the shoot 14, which is pivoted at its upper end 17, may be oscillated by means of linkwork 19 and 20 and an eccentric 18. Specifications 365,997 and 516,805 are referred to.
Patent GB-998836-A (GB)
Title: Closure operating means for a blast furnace mouth
IPC: C21B7/18
Filed: 1962-01-24
Abstract: 998,836. Charging blast furnaces. PAUL WOLF G.m.b.H. Jan. 24, 1962 [Jan. 24, 1961], No. 2617/62. Heading F4B. In charging apparatus for blast furnaces of the double bell, double hopper type, a fluidoperated motor 1 is mounted by stays 2a on the vertical axis of the hopper 2 controlling the bells 9 and 12 respectively by a rod 8 and coaxial tube 11. The motor 1 comprises coaxial cylinders 7 and 13 in the first of which moves a piston 4 carrying the rod 8. The second piston 5 is fixed to cylinder 7 and cylinder 13 moves over it carrying the tube 11. The skip hoist support extends above the furnace top, Fig. 2 (not shown).
Patent GB-100114-A (GB)
Title: An Improved Gas Heating Stove.
IPC: F24C3/00
Filed: 1916-02-24
Abstract: 100,114. Fleischer, J., and Haegele & Zweigle. Feb. 15, 1915, [Convention date]. Gas-stoves.-A stove comprises three groups of pipes, preferably star-section pipes 13, 15, and plain pipes 14, through which the gases from the burner 4 pass up, down, and up again to the outlet 29. The pipes 13, 14 are connected by a chamber 27, and the pipes 14, 15 by a chamber 24, in which chambers the combustion products are heated, respectively, by the flames from the burner 4, and the gases from the tubes 15. The chamber 24 has a fluted bottom, and forms with the baffle 26<a> a series of passages for the combustion gases. A baffle 28<a> conducts the gases over the heating- chamber 27. Flanged plates connect the tubes to the head 19 and the base 2.
Patent GB-1216886-A (GB)
Title: Slip ring device
Inventor: PANASJUK LEV EMELIANOVICH
IPC: H01R39/00
Filed: 1968-01-18
Abstract: 1,216,886. Electric couplings. KONSTRUKTORSKOE BYURO TULSKOGO ZAVODA ELEKTROELEMENTOV. 18 Jan., 1968, No. 2787/68. Heading H2E. A slip ring rotary connector comprises a pair of parallel contact rings 1 and 2, at least one of which is provided with radial contact fingers spaced along one edge of the ring and elastically pressed against the other ring, the free ends of the fingers being at different distances from the axis of rotation of the rings. Banks of such contacts can be made up, each of the rings 1 of a pair of rings 1 being insulated from the other by insulating rings 3, the bank being enclosed by an air-tight housing 4, made of dielectric material, and a steel cover 5, and the contacts being lubricated by a liquid or greasetype lubricant. Each contact ring is provided with an outwardly extending terminal element (11), Fig. 2 (not shown), soldered to a respective outlet wire (10) and voltage flashover between the terminal elements of a pair of adjacent contact rings is prevented by. relative angular displacement of the two elements so that the distance between them is greater than the spacing between the rings.
Patent GB-1198892-A (GB)
Title: Improvements relating to Beds
Inventor: RATHERAM JOHN
IPC: A61G7/012
Filed: 1968-01-19
Abstract: 1,198,892. Adjustable beds. HOSKINS & SEWELL Ltd. 14 Nov., 1968 [19 Jan., 1968], No. 2901/68. Heading A4J. In a hospital bed of the kind having a mattress frame 16 and a base frame 10, with jacking means 41 therebetween, the frames are interconnected by an X-linkage 14 at least one end of which is slidably connected to its associated frame for movement in a direction parallel to said frame. The mattress frame 16 may be connected to an intermediate frame 15, a hand-operated spring loaded pawl 26 being used to tilt the mattress frame 16 at a desired angle relative to the intermediate frame.
Patent GB-1324349-A (GB)
Title: Magnetic locking mechanism
IPC: E05B47/00
Filed: 1972-12-21
Abstract: 1324349 Magnetic locks H O BOEHME Inc 21 Jan 1972 [21 May 1971] 3069/72 Heading E2A A magnetic lock for example for a gate has a slidable core member 32 having holes 34 in which are located magnetic tumblers 36, and a keeper plate 20 having holes 60, 62 of different sizes into which the tumblers protrude such that when a pass card 82 having magnetised spots coinciding only with the tumblers 36 located in the smaller holes 60 is inserted in a slot 78 provided between bottom plate 22 and guide rails at these tumblers are repelled allowing the core 32 to move by engagement of the pass card with a core flange 85 to an intermediate position and when a pass card having magnetised spots coinciding with all the tumblers is inserted the core 32 is allowed to move to its fully retracted position. The two positions correspond to, for example, night and day-night use; the lock may only be opened when the corresponding pass card is inserted during each period. Two microswitches 52, 54 are provided to open the gate and are actuated by a post 46 mounted on cover 32 which engage leaf spring operator arms 56, 58 of the switches. A night pass card opens lock 10 only if a control switch 102 is open whereas a day-night pass card opens lock whether the switch is open or closed. If it is required to permit access only to persons holding night pass cards switch 102 is closed and when the night pass card is inserted the core 32 moves to its intermediate position in which only switch 52 is actuated by post 46 Insertion of a day-night pass card causes core 32 to move. its fully retracted position in which switch 54 is closed and the lock is allowed to open. Switch 102 may be manually operable (e.g. by a key) or automatically (e.g. by a time clock). The lock is programmed by a card 68 provided with selected magnetised spots to attract one or more of the tumblers out of their associated holes 60, 62 the card 68 being held in position by a bowed end portion 73 in a retaining plate 16. A -tamper prevention pin 44 is provided for preventing unauthorised unlocking of the lock 10 and is located in a stepped hole 42 of the core 32. The pin has an enlarged flange 44a such that if an attempt is made to open the lock by a sharp blow which would cause the magnetic tumbler pins to jump upwardly out of the holes 60, 62 in the keeper plate 20 pin 44 also moves upwardly so that the upper end thereof extends in the rear portion of a slot 48 located in plate 16 thereby preventing significant movement of core 32. The tamper pin is non magnetic, preferably of bronze.
Patent GB-1418263-A (GB)
Title: Tracks for track laying vehicles
IPC: B62D55/20
Filed: 1974-01-23
Abstract: 1418263 Track links POLISTIL SpA 23 Jan 1974 [21 May 1973] 03075/74 Heading B7H An endless track is made from plate-like elements of sheet metal 3. As shown in Fig. 6, the element 3 is folded so that T-shaped projections 6, 7 become adjacent one another. Projections 6, 7 are then aligned with the larger dimension of an aperture 108 of a second element 103 and inserted therethrough. The first element is subsequently rotated through 90 degrees, and the second element folded for similar engagement with a third element.
Patent GB-309257-A (GB)
Title: Improved display sign or the like
IPC: G09F13/14
Filed: 1928-02-01
Abstract: 309,257. White, H. P. Feb. 1, 1928. Signs having a forward stencil 2 and rear reflector 1 are provided with collapsable ends 4 of paper or the like and a flexible connection along the edge a, so that the device will collapse into one plane. Two signs may be combined as shown by means of collapsable end pieces 7. Four may be combined by joining them to form the base of a square pyramid. Strings S are provided for suspension. Specification 21589/07 is referred to.
Patent GB-578704-A (GB)
Title: Tool installed cable terminal and method of making same
IPC: H01R4/20
Filed: 1944-02-19
Abstract: 578,704. Cable and wire terminals. ROGOFF, J. Feb. 19, 1944, No. 3120. [Class 38 (i)] [Also in Group XXII] A terminal connector comprises a tubular body 40 flattened and work-hardened to form a double-walled, eye-shaped terminal plate 11, of a thickness substantially equal to a single thickness of the tubular body wall. The core of a cable 19 is secured therein by an indentation 18 formed in the body by any suitable tool. The connector may have a closed end 13a, Fig. 8, and may be formed with a shroud 16a to accommodate various diameters of insulation and having a serrated inner surface if desired. The connector is made on progressive die equipment from a thick-walled tube of metal 10, Fig. 15, e.g. soft copper or aluminium annealed to a temper approximately “ hard, one end being swaged to form the terminal plate 11, Fig. 17 ; if the open-end type is required, a notch 14, Fig. 18, is cut in the tube before swaging the end. The shroud may be formed as in Fig. 20 by cutting diametrically opposite slots 15 in the end of the tube and widening them, or it may be formed without slots.
Patent GB-1271606-A (GB)
Title: An electrographic apparatus
Inventor: SHEPARD STANLEY CARDEN
IPC: G03G15/16
Filed: 1970-01-22
Abstract: 1,271,606. Electrographic apparatus. STANDARD TELEPHONES & CABLES Ltd. and INTERNATIONAL COMPUTERS Ltd. Jan. 22, 1970, No. 3170/70. Heading G2H. [Also in Division B6] A developed electrostatic or magnetic image is transferred from record surface 3 to a substrate 6 by a pressure roller 5 and by producing slip between the surface and substrate through rollers 9 and 10 driven at a lower linear speed, Fig. 3 or higher speed, Fig. 4, than the surface 3. Alternatively, the linear speed of the substrate 6, Fig. 5 (not shown) may be greater than the surface 3. The pressure roller 5, Fig.3, may be driven at a different speed to the surface 3. In another embodiment, Fig. 2 (not shown), the pressure roller has a high frictional coefficient so that slip occurs between the record surface and substrate.
Patent GB-717855-A (GB)
Title: Improvements in and relating to gas turbine installations
Inventor: BENTELE MAX
IPC: F02C7/105
Filed: 1952-02-07
Abstract: 717,855. Generating combustion products under pressure. PARSONS & CO., Ltd., C. A. Feb. 9, 1953 [Feb. 7, 1952], No. 3275/52. Class 51 (1). [Also in Group XIII] A combustion chamber 18 in a gas turbine plant is provided with a cooling jacket formed between walls 16, 17b, cooling air being supplied to the jacket through a duct 14. Air under pressure is preheated in a rotary regenerative heatexchanger (see Group XIII) and the coolest air i.e. that which passes through the coolest portion of the regenerator matrix is directed to the duct 14 and used for cooling the combustion chamber,  the remaining air passing to the primary air cone 16b and the secondary air inlets 16c of the combustion chamber. ; The cooling jacket may be a continuity of a passage provided in the wall of the regenerator housing, Fig. 4 (not shown).
Patent GB-1269883-A (GB)
Title: Improvements relating to fluid valves
Inventor: GWILLIM DAVID THOMAS
IPC: F15C3/04
Filed: 1970-01-23
Abstract: 1,269,883. Valves. PLESSEY CO. Ltd. 15 Jan., 1971 [23 Jan., 1970], No. 3340/70. Heading F2V. A relay valve has a spring-loaded valve dise or plate 15 movable by a low-pressure actuated diaphragm 19 against either 0-ring 13 or 14 to close communication between a high pressure inlet 8 and either outlet 9 or 10. The valve stem 16 abuts a plate 20 on the diaphragm and leakage between the stem and bore 17 is exhausted at 12. The high pressure fluid will maintain the disc in actuated position so the low pressure fluid may be cut-off after actuation. A plurality of such valves may be provided in a three-part block 2, 3, 4.
Patent GB-568300-A (GB)
Title: High vacuum hot cathode tubes for large powers
IPC: H01J19/74
Filed: 1943-03-01
Abstract: 568,300. Electron discharge apparatus. AKT.-GES. BROWN, BOVERI, & CIE. March 1, 1943, No. 3354. Convention date, Feb. 20, 1942. [Class 39 (i)] In a high vacuum hot-cathode tube with at least two electrodes located demountably inside an air-tight closed vessel 6 connected continuously to a high vacuum pump 7, the vessel is made of metal and is provided with a bushing insulator' 5 located laterally of the cathode 1, the anode lead 4 passing through this insulator and also serving to convey cooling medium to the anode 3. This latter is entirely supported in the vessel 1 by insulators 8. An insulating portion may be included,in the connection to the pump which may serve - as the supporting means of the apparatus. A grid 2 is also shown.