baber/WOPTO huggingface dataset:
Patent GB-676679-A (GB)
Title: Improvements in and relating to electrode seals
IPC: H01J5/42
Filed: 1950-12-19
Abstract: 676,679. Ceramic-metal seals. BRITISH THOMSON-HOUSTON CO., Ltd. Dec. 19, 1950 [Dec. 31, 1949], No. 30896/50. Class 36. A lead-in conductor 3 is passed through a ceramic bush 4 having a glass bead 9 sealed around a substantially central portion thereof by fusion, the glass having a smaller coefficient of expansion than the ceramic, a metal sleeve 5 being positioned around the bush 4 so that one end thereof is embedded in the bead 9, the other end being hermetically sealed to the conductor 3. The bead 9 may be sealed directly to the glass envelope of an electronic discharge device, or a second metal sleeve 8 surrounding the bush 4 may have one end embedded in the bead 9, the other end being welded to the rim of an aperture in a metal casing 2. The end of the bush within the casing 2 may be provided with a counterbore 10 to increase the length of the leakage path from the casing to the leadconductor.
Patent GB-1493134-A (GB)
Title: Photopolymerisable compositions
IPC: C09D11/10
Filed: 1974-07-12
Abstract: 1493134 Photopolymerizable compositions UCB 10 July 1975 [12 July 1974] 30939/74 Heading C3P Photopolymerizable compositions curable with ultraviolet light comprise (1) a binder which is the reaction product of (A) a di- and/or tri-isocyanate selected from (a) di- or triisocyanate derivatives of a dimerized or trimerized C 18  unsaturated monobasic fatty acid and (b) urethane prepolymers having 2 or 3 free isocyanate groups which are the reaction products of a diisocyanate and a di- or tri-ester of ricinoleic acid, and (B) an acrylate containing at least two CH 2 =CH-COO- radicals and at least one HO- group, the binder containing an average from 4 to 15 CH 2  = CH-COO- radicals per molecule; and (2) at least one photoinitiator and/or photosensitizer. Optional components include inert polymers, plasticizers, copolymerizable monomers, oligomers or polymers, pigments, fillers and other conventional additives for varnishes or inks. The compositions are useful as UV-curable printing inks and varnishes.
Patent GB-853118-A (GB)
Title: Reinforced heel
IPC: A43B21/42
Filed: 1958-09-29
Abstract: 853,118. Heels. GOLDBAUM, R. H., SEGAL, M. M., and BALL, A. F. Sept. 29, 1958 [April 25, 1958], No. 31084/58. Classes 17(1), 17(2) and 17(3) A reinforcing dowell 11 received in a longitudinal recess 9 in a heel 1 has at least a portion of slightly larger cross section than that of the recess, means 15 to cut into the wall of the recess when the dowel is forced therein, to prevent the dowel slipping, an enlarged free end rigidly secured in a top lift 19 carried by the dowel, and means 17<SP>1</SP> to prevent rotation of the top lift about the dowel. The heel may be formed of plastic with the dowel of steel, and the top lift of leather, plastic, e.g. nylon, or metal which may be coloured or plated, e.g. with bronze, nickel, or chromium, and may be rust-proofed. The heel may be enamelled or covered with fabric. The dowel has ridges 15 to cut into the heel, and ridges 17<SP>1</SP> to engage a tapered recess 21 in the top lift. The top lift may have a decorative flange 25 and treads 27. In assembly the heel is held by clamps 8 and 4 with its breast face engaging a flat surface 2, the top lift is positioned between guides 10 with its breast face engaging surface 2, and piston 12 of cylinder 6 is actuated to force the dowel into recess 9.
Patent GB-314892-A (GB)
Title: An improved free-wheel mechanism
IPC: F16D41/30
Filed: 1928-10-26
Abstract: 314,892. Duluc, P., and Roquebert, L. July 4, 1928, [Convention date]. Clutches, ratchet.-The pawls 4 of a springless ratchet clutch for bicycle free-wheels &c. are pivoted at 5 on a driven hub-member 2, their outer faces having convex portions 6, 8 separated by concave portions 7 to coact with ratchet teeth 3 on the driving-sprocket &c. 1 in such manner that, during overrunning, the pawls are oscillated by the teeth and are always ready to engage as soon as the direction of relative motion reverses. The pawls are substantially of the same length as the tooth pitch, and may be carried by a driving-member. The pawls may replace the spring-pressed pawls of existing clutches. The Specification as open to inspection under Sect. 91 (3) (a) states also that the pawls may be mounted on the outer member of the clutch. This subject-matter does not appear in the Specification as accepted.
Patent GB-884518-A (GB)
Title: Method and apparatus for testing the sealing clearance in valves
IPC: G01M3/28
Filed: 1958-09-30
Abstract: 884,518. Valves. HOMESTEAD VALVE MANUFACTURING CO. Sept. 30, 1958 [March 7, 1958], No. 31187/58. Class 135. The seal clearance in a lubricated plug valve when closed and without a lubricant is tested by supplying fluid under pressure to one side of the closed valve and simultaneously collecting and measuring the pressure of the fluid which has passed through the other side of the valve in a given period of time. The valve 1 is positioned at a testing station 2 within a tank 3 and supported on a conveyer 4. On opening valve 24 and turning cock 27 in a clockwise direction air pressure is supplied to the right of a piston 12, the other side being exhausted via 30, and the piston rod 11 moves to the left to press the flow openings of the valve between a rubber flange 7 on a fixed pipe 6 and a rubber flange 10 carried by the piston rod 11 and connected to a flexible pipe 36. On moving the double-pole switch 59 to the left electrically actuated valves 34, 53 are opened so that air under pressure supplied through valve 25 passes to the inlet of the valve 1 via valve 34 and the fixed pipe 6 and piston 21 is moved to the left under the control of the valve 53 whereby a plunger 17 is also moved to the left and forces water out of the cylinder 16 through orifice 15 into the tank 3 to submerge the valve. Simultaneously the electric supply starts a timing device 60 having a switch 61, 62 and opens a electrically actuated valve 40 whereby air leaking through the valve passes via a pipe 36 and valve 40 to a container 44 connected to a pressure gauge 50 and a pressure-actuated switch 47. After a predetermined time, timer 60 opens its switch to close valve 40 and according to the pressure in chamber 44 the pressure switch will illuminate a red or green lamp to indicate whether the pressure is high or low. On moving switch 59 to the right valve 34 is closed, valve 53 changed over so that pressure moves piston 21 to the right to retract water from the tank, valve 48 is opened to release pressure from the container 44 and valve 27 is rotated anti-clockwise to allow piston 12 to move to the right and retract pad 10 from the valve 1. Air bubbles in the water indicate the presence of an external leak in the valve.
Patent GB-980937-A (GB)
Title: Improvements in or relating to plastic tubular member and the manufacture thereof
IPC: F16L58/10
Filed: 1962-08-14
Abstract: 980,937. Reinforced plastic tubes. RESEARCH SPECIALTIES CO. Aug. 14, 1962 [Sept. 15, 1961], No. 31219/62. Heading F2P. A chemically resistant plastic tubular member comprises a pair of telescoped plastic tubes 11, 13 and a metal reinforcing tube 12 disposed therebetween, the outer plastic tube 13 having been mechanically enlarged to fit over the inner plastic tube and the metal tube and heated to contract into a permanently sealed fit. The outer tube may be of polytetrafluoroethylene, polyethylene, polypropylene or polytrifluorochlorethylene. The tube 13, as shown, may be shrunk on to one end of the tube 11 or both ends of the latter tube to completely enclose the metal tube.
Patent GB-765198-A (GB)
Title: Improvements in or relating to methods of and means for separating granular materials by alluviation in troughs
IPC: B03B5/62
Filed: 1954-01-11
Abstract: 765,198. Wet separation of granular material. RIDLEY, F. F. April 7, 1955 [Jan. 11, 1954], No. 31230/53. Class 82(2) A trough washer for materials, e.g. coal, of differing specific gravities comprises means for dewatering and recirculating the intermediate product. A feed section 1a is followed by a separating action 1b of less inclination, material being fed at x and water at 2. The heavy product is evacuated at 5 and dewatered at 9, the light fraction is delivered and dewatered at 10 and the intermediate product from the box 6 is dewatered on the screen 11 and returned to the head of the trough by a conveyer belt 12. If desired water can be added at 7, 8 to combat the downward flow of water caused by evacuation or to supply an upward flow of water to aid separation. The fine materials in the underflow of the screens may be extracted by settling or by froth flotation. A superimposed series of trough washers working on the same principle is described and illustrated in the Specification.
Patent GB-1270038-A (GB)
Title: Improvements relating to seats
Inventor: WHITE IAIN KILBURN
IPC: A47C7/56
Filed: 1969-06-20
Abstract: 1,270,038. Tip-up seats. ESSOLDO (FURNISHERS) Ltd. Jan.30, 1970 [June 20, 1969], No.31230/69. Heading A4B. A tip-up seat comprises a back rest portion 10, Fig. 1, and a seat portion 12 with integral arms 13, the seat portion 12 being mounted on a pivot axis disposed forwardly of the back rest portion 10 such that when the seat portion is tipped up the arms 13 do not project rearwardly beyond the back rest portion 10. The seat is carried on a stand 11 with a bracket 14 on which the seat portion 12 is pivotally mounted. In another embodiment, Fig. 5, the seat and back rest portions are carried by a frame 19 including a tube 18A removably and telescopically engaged with a tube 18B of a stand 18, the tubes 18A, 18B being locked together by a pin 25 passed through aligned apertures 26, 27.
Patent GB-159665-A (GB)
Title: Improvements in electric miners lamps
IPC: F21L4/00
Filed: 1919-12-13
Abstract: 159,665. Gardner, E. E. Dec. 13, 1919. Battery lamps. - A miner's lamp is provided with a magnetic lock consisting of a spring-pressed iron or steel pin 3 having a conical head 4 to engage in a groove 5 in the part 2 of the lamp. The groove 5 has undercut ends 11 with which the head 4 of the pin engages to prevent accidental withdrawal of the pin when the head of the lamp is turned for switching purposes. The Provisional Specification describes a method of securing the lamp bulb and its container, and the contact plate, to the top part of the lamp. The contact plate is formed with a groove round the outside into which a ring fits having two or more inclined planes with shallow grooves in them. These grooves allow pins fixed in the top part of the lamp to rest in the ring whereby the contact plate can be locked in any position. The ring is turned by a key having projections to engage holes or lugs in the ring. Rotation of the contact plate is prevented bv means of a stud fixed to the top part of the lamp and engaging in a slot in the contact plate.
Patent GB-282033-A (GB)
Title: Improved means for automatically opening and closing gates and doors
IPC: E05F15/00
Filed: 1927-11-21
Abstract: 282,033. Moss, H. G. Dec. 9, 1926, [Convention date]. Operating and controlling doors and gates electrically and by treadles; indicating and signalling operations of f doors and gates.-A ground wheel 16 carried by the gate is driven by an electric motor 20 the circuit of which has switches located at each side of the gate for controlling the motor to drive the ground wheel alternately in either direction, according to whether the gate is to be opened or closed. The switches may be arranged in the track for depression by a vehicle, as by using treadle-plates 20<a>, Fig. 11, or they may be manually operable. Depression of a treadle 20<a> by an approaching vehicle closes the contact members 38, 38<a>, and the completion of the circuit energizes the core 51 and moves the solenoid 50 and levers 49 so that the gate stop 44 falls by gravity and allows the gate to be opened by the motor 20. When the gate is fully-opened, a slotted arm 29 on the gate moves a switch member 28 on the post 15 to actuate a pole-changing switch and open the motor circuit. At the same time a counting- switch is operated whereby, before the gateclosing run of the motor is permitted, the treadle switch on the leaving side of the gate is required to be operated by the end vehicle of a line of vehicles passing through the gate. This counting switch comprises solenoid coils 58, 59 with armatures 56, 57 carrying pawls 55, 55<a> for engaging reversely-toothed ratchet wheels 52, 52a on a drum 53. This drum carries a projection 60 which normally, when the gates are closed, depresses the switch arm 61 on to the contact 63. Movement of the drum and its projection 60 causes the arm 61 to be engaged with the contact 65 by a spring 64. The circuit is thus completed for raising or lowering the door stops 44 and for actuating through contacts 70 the pole-changing switch of the armature of the motor 20. The electromagnets 58, 59 are shown included in the circuit of a transformer T, the coil 68<a> controlling the pole-changing switch being included in the same circuit. Warning lamps 80, 81 are arranged in parallel with the motor gate-stop circuit. In the event of a breakdown of the current supply the bell-crank 49 may be operated by a chain 87 operable at the side of the gate-stop casing 46, Fig. 10, this chain being normally locked by a padlock 85.
Patent GB-392198-A (GB)
Title: Improved manufacture of bricks
IPC: C04B28/22
Filed: 1931-11-12
Abstract: Bricks &c. are moulded from a mixture of lime and either spent oil-shale residue or clay burned at 600-900 DEG  C. and are hardened either by steam treatment or by storage in water.  According to the Provisional Specification other pozzuolanic materials may replace the shale or clay.
Patent GB-1514626-A (GB)
Title: Axle casings
IPC: B60B35/16
Filed: 1976-07-28
Abstract: 1514626 Differential gear casings TOYOTA JIDOSHA KOGYO KK 28 July 1976 [11 Dec 1975] 31354/76 Heading F2D Partitions 7A for confining lubricating oil within the central, differential gear section 2 of a banjo type axle casing during lateral accelerations are resiliently flexible and sprung into position behind mounting pieces 9 which are welded to the casing. Each partition has a clearance g between its edges and the inner surfaces of the casing to facilitate its insertion, ears 7h for engagement with the inner surfaces of the casing, cut-away portions 7f, 7g, 7j to allow return of any lubricant that escapes for the central section, and a hole 7a for the passage of an axle shaft. In a modification the partitions are simplified by the omission of the reentrant bends 7e, and the mounting pieces 9 are replaced by inward projections formed in the axle casing during its fabrication.
Patent GB-175034-A (GB)
Title: Improvements in method of sizing paper
IPC: D21H17/62
Filed: 1920-11-05
Abstract: 175,034. Thornton, A. A., (Feculose Co.). Nov. 5, 1920. Sizing.-In the production of engine-sized paper. whereby a saving of resin and alum is effected, a homogeneous true vegetable or animal colloid solution, such as Feculose or other converted or modified starch, or glue, casein, gelatine, albumen, &c., is mixed with resin size, the size is then diluted and mixed with pulp in the beater, and alum or other precipitating-agent subsequently added. Any sodium silicate used is added before the alum. 15 to 20 per cent of the modified or converted starch, calculated to the dry resin, may be used.
Patent GB-208553-A (GB)
Title: Improvements in golf-shafts
IPC: A63B53/12
Filed: 1923-12-14
Abstract: 208,553. Lard, A. E. Dec. 14, 1922, [Convention date]. Metal tubes. - A shaft for a golf or like club is formed of a tapering metallic tube having one or more longitudinal grooves, the walls of the shaft being of substantially the same thickness throughout. In one form, a blank of high carbon steel approximately .012 inches thick is bent to a tapered tubular form, and the longitudinal edges are joined by clinching fingers 3, Fig. 5, through openings 4<a>, a strip 5 of copper alloy intervening, the parts being afterwards brazed together. One or more longitudinal and tapered grooves 8, Fig. 7, are then formed in the shaft, and a cylindrical handle 9, Fig. 1, is driven on and pinned, the grooves at the upper end being filled in with aluminium 10. Instead of using the seamed tube described above, a seamless tube or a tube with an overlapped seam may be used.
Patent GB-1073020-A (GB)
Title: Thermoplastic polyhydroxyether adhesive compositions and laminates thereof
IPC: B32B15/08
Filed: 1964-08-04
Abstract: A thermoplastic polyhydroxy ether adhesive comprises a mixture of from 50 to 97 parts of a thermoplastic polyhydroxy ether of formula -[-D-O-E-O-]n-wherein D is the radical residuum of a dihydric phenol, E is a hydroxyl containing radical residuum of an epoxide and n is at least 30, and 3 to 50 parts of a synthetic rubber per 100 mixture. The disclosed polyhydroxy ether is prepared by the reacting of equimolar amounts of 2,2 - bis(4 - hydroxyphenyl) propane and epichlorohydrin together with sodium hydroxide under the usual conditions.  Specified synthetic rubbers are chloroprene and nitrile rubbers.  More particularly, polychloroprene copolymers of chloroprene with such comonomers as alpha-methyl styrene, acrylonitrile or hydrocarbon dienes in minor amounts especially up to 20% by weight, and diene copolymers containing at least 50% of such conjugated dienes as butadiene, hexadiene, heptadiene, octadiene and nonadiene with at least 2% of such comonomers as acrylonitrile, chloroacrylonitrile and methacrylonitrile-up to 10% of a termonomer, e.g., methyl acrylate, diallyl phthalate, diallyl maleate, allyl methacrylate, methyl methacrylate and, preferably, acrylic acid, may be present. The adhesive composition may be made by blending together the polyhydroxyether and the synthetic rubber. The adhesive is particularly useful in bonding together steel structures.
Patent GB-1263485-A (GB)
Title: A semiconductor oscillating diode
IPC: H01L29/00
Filed: 1969-06-23
Abstract: 1,263,485. Semi-conductor devices. MATSUSHITA ELECTRIC INDUSTRIAL CO. Ltd. 23 June, 1969 [19 July, 1968; 20 Sept., 1968], No. 31589/69. Heading HIK.  An oscillator device comprises a semiconductor body 10 including two regions 11, 12 of the same conductivity type, the lower conductivity region 11 itself including a breakdown region in which the minority carrier lifetime exceeds and in which the carrier concentration is less than half the corresponding values in the remainder of the body 10. This may be achieved by providing a zone close to the surface of the region 11 where the majority carrier concentration, determined by the donor concentration in the embodiment shown, is lower than in the rest of the region 11, as shown schematically in Fig. 6. Oscillations whose frequency depends upon the applied voltage result from repeated avalanche breakdowns in the long lifetime region where the highest field strength occurs, followed by minority charge storage adjacent the surface of the region 11 thus reducing the maximum field strength and causing breakdown to cease, and recombination of the stored carriers with further majority carriers allowing the field strength in the breakdown region to increase once again to the breakdown value. The body 10 may be of Si, Ge or GaAs and the lower conductivity region 11 may be formed epitaxially on an N + substrate, the donor content being varied during growth of the region 11 to provide the necessary low concentration breakdown region. Alternatively the entire body 10 may initially be heavily doped and may be immersed in a solution including a dopant which will reduce the carrier concentration close to the surface of the body. The solution may be FeCl 3  for Fe dopant, CuSO 4  for Cu dopant or NiCl 4  for Ni dopant.
Patent GB-384057-A (GB)
Title: Improvements in universal joints
IPC: F16D3/33
Filed: 1931-11-14
Abstract: 384,057. Roller bearings; lubricating. WARNER, A. A., 2003, Clawson, Royal Oak, Michigan, U.S.A. Nov. 14, 1931, No. 31601. [Classes 12 (i) and 12 (ii).] The trunnion bearings of a universal joint are arranged to utilize the centrifugal force of rotation of the joint to prevent ingress of dirt &c. into the bearings. The joint is of the single Hooke's type, the trunnion bearings 29 being bolted between the two halves of a radially divided torque ring 54 located on shoulders 42 on the bearings. One fork 10 is bifurcated, and has integral trunnions 13, 14, the other carrying a single transverse trunnion pin 24. At the base of the trunnion are two tianged collars, one 43 press-fitted on the trunnion, the other 35 press-fitted in an enlarged bore of the trunnion bearing 29. The annular end of the bearing 29 enters an outer flange of the collar 43 leaving only a narrow annular space through which dirt must pass radially inwards against the direction of the centrifugal force if it is to gain access to the bearing. Packing 50, between the flat surfaces of the collars, prevents escape of lubricant, which is contained in reservoirs 17 bored in the end of the trunnions. The trunnion pins have roller bearings, the rollers 32 of which are maintained in position in the bearing 29, whether this latter is in position, or is removed, by reduced ends 33 of the rollers engaging externally an inturned flange on the collar 35 and internally an annular groove 31 in the base of the bearing 29, provided primarily to facilitate grinding a thrust face in the bearing. Fig. 7 shows two joints mounted one at each end of a telescopic motor-vehicle drive shaft comprising splined inner and outer members 67, 65, seamwelded as at 66 to the trunnion forks, one 60 of which is formed with a hollow space 62 filled with lubricant through a screw-plugged aperture 70. The lubricant is drawn from this space into the splines by the pumping action created by relative movement of the shaft members, there being a packing 68 and an air vent 61 in the trunnion fork 60 to allow this action. Packing 73 is provided at the opposite end of the outer member 65.
Patent GB-853102-A (GB)
Title: Plant protector
IPC: A01G13/04
Filed: 1955-11-07
Abstract: 853,102. Cloches and like. SMYTH, P. S. Nov. 5, 1956 [Nov. 7, 1955], No. 31702/55. Class 20(1) The surface of a plastic cloche is moulded with perforated indentations such as corrugations or channels to catch water &c. and feed it to the plants underneath. Pipes may be secured in the perforations. The plastic shape may be self sustaining or supported on a frame. In Fig. 1 the sides are smooth and unperforated to prevent wind entering. In Fig. 4 the corrugations are deep and inclined and the holes X may be above their lowest level so that the corrugations may hold a store of water for tipping inside later. Fig. 5 shows other shapes of corrugations. The cloche may have wooden closing ends. The cloche may be held in the ground by a corkscrew type of hold downs. Various cloches may be secured together, end to end.
Patent GB-382093-A (GB)
Title: Improvements relating to electric cables
IPC: H01B9/02
Filed: 1931-11-18
Abstract: 382,093. Cables. MAYNARD,.F. W., The Laurels, Penn Road, Sedgley, near Dudley, Worcestershire. Nov. 18, 1931, Nos. 31913/31 and 14343/32. [Class 36.] Cables a, which may be surrounded by stranded annular conductors b, and which may be associated with a pilot c and a neutral wire d, have the insulation e surrounded bv a flexible conductive sheath f separated from a similar sheath h by a sleeve g of insulating material. The sheaths f, h consist of stranded wires or tapes laid closely together and helically wound in opposite directions. The sheaths f, h, covered with insulation i, form a protective system and actuate a trip mechanism for the main cable when the cable is mechanically injured. Specifications 17530/08 and 24076/09, [both in Class 36, Electricity, Conducting &,c.], are referred to.