baber/WOPTO huggingface dataset:
Patent GB-109348-A (GB)
Title: Improvements in or relating to Screw-threading Means.
Inventor: FLORY THOMAS WASS
IPC: B23G5/10
Filed: 1916-12-01
Abstract: 109,348. Flory, T. W. Dec. 1, 1916. Projectiles. - Relates to improvements in the means for screw-threading the head d of handgrenade centres described in Specification 105,771. Beneath the heads h of the studs carrying the screwcutting disks f are arranged thick washers o of a diameter equal to the diameter of the disks measured across the bottom of the threads. The washers o guide the head d. To ensure the alinement of the washers with the disks, each washer o may have a circular axial projection engaging a recess in the disk.
Patent GB-497664-A (GB)
Title: Improvements in or relating to joints for lamp carrying arms and the like
IPC: F21V21/26
Filed: 1937-06-22
Abstract: 497,664. Hinges. LUSTER UND METALLWAREN-FABRIK A. PRAGAN & BRUDER GES. June 22, 1937, No. 17376. Convention date, June 22, 1936. [Class 65 (ii)] Pivoting adjustments.-A frictional joint for lamp brackets comprises an inner joint member and an outer forked joint member 9 embracing the inner member and having dished limbs accommodating discs of friction material 3 which are in contact with the inner and outer members over the whole of their inner and outer surfaces respectively, the bearing surfaces of the inner member being provided on parts which are spaced by a member separate from them. In the form shown, the bearing surfaces of the inner member are formed on discs 8 having bosses embraced and spaced apart by the sheet-metal inner member 4, the parts being held together by a bolt 6 acting as hinge pin. In a modification, shown with its axis at right-angles to the pin 6 at the other end of the inner member 4, the member 4 itself provides the bearing surfaces, and its limbs are spaced by a tubular member 5 having a central transverse wall pierced to locate it on the hinge pin 6<1> ; the outer member 1 of this second joint is screwed on to the end of a bracket arm 10 and secured by a lock-nut 12. Two bracket arms 10 may be connected by a similar joint in which both inner and outer members are of the form of the member 1, the outer member being formed with stops which engage the base of the inner member to prevent the arms from coming into alignment. The Specification as open to inspection under Sect. 91 describes also a joint in which the inner member is formed by a solid cylinder 16, Fig. 7 (Cancelled), with spigots engaging the limbs of the outer member 9, which are pressed together by bolts 6<11>, the cylinder 16 having a transverse bore in which one end of a tubular bracket arm 10 is rotatable, the arm being secured in the bore and its rotation limited by a pin 19 engaging a peripheral slot in the arm. This subject-matter does not appear in the Specification as accepted.
Patent GB-913250-A (GB)
Title: Improvements in or relating to pulsed radar systems
Inventor: KIME FREDERICK WILLIAM
IPC: F16K5/06
Filed: 1960-05-18
Abstract: 913,250. Radar. MARCONI'S WIRELESS TELEGRAPH CO. Ltd. Feb. 15, 1961 [May 18, 1960], No. 17546/60. Class 40 (7). In a pulsed radar system " second trace returns " are eliminated by modulating the radar transmitter in a repeating sequence of at least two successive pulses having mutually distinguishable characteristics and utilizing the desired echoes due to each pulse to replace the " second trace returns " due to the other pulses(s). Fig. 1 shows an embodiment in which the distinguishable characteristic is " duration," the radar transmitter 6 being modulated alternately by modulators 5A, 5B to which pulses of durations 2.5 sec. (MA, Fig. 2) and 5 sec. (MB, Fig. 2) are supplied from respective generators 4A, 4B triggered, respectively, via switch 3, by alternate pulses from a generator 1 operating at the pulse transmission period T of the system. The pulse train transmitted then comprises pulses " A " and " B " (T, Fig. 2) and received echo pulses from radar receiver 9 are branched into two channels, each comprising a known form of moving target indicator (M.T.I.) 10A, 10B having delay lines of delay 2T and feeding respective pulse length discriminators 11A, 11B responsive to the 2.5 sec. and 5 sec. pulses respectively. The outputs from 11A and 11B shown by the pulse trains RA and RB (Fig. 2) respectively, in which the pulses 2TR indicate " second trace returns, " are then supplied via switch 13 (operating synchronously with switch 3) to a video output unit 12 which supplies any suitable display means. The action of switch 13 the switching waveform of which is shown by GW (Fig. 2), then results in the supply to unit 12 of video signals as shown by CS (Fig. 2) in which the " second trace returns " 2TR are replaced by desired echo signals.
Patent GB-945025-A (GB)
Title: Edge incising machine
IPC: A43D43/02
Filed: 1962-05-08
Abstract: 945,025. Sharpening cutters in situ. FORTUNA - WERKE SPECIALMASCHINENFABRIK A.G. May 8, 1962 [May 9, 1961], No. 17632/62. Heading B3D. [Also in Division B4] Apparatus 54 for sharpening a disc cutter 1 is carried by an arm 37 which is pivotable about a horizontal axis 22 and about a double linkage with two vertical axes 27, 28. The grinding disc 36 is drivable by a belt 43 passing around pulleys 21, 30 (21 not shown), the pulley 30 being coaxial with a friction wheel 31 which, when the grinding apparatus is swung to the opertive position, is moved into engagement with a driven friction wheel 32 by the pressure of a spring 45 on a stop 41 whilst when the grinding apparatus is swung to the inoperative position, a stop 25 engages the stop 41 to move the wheel 31 out of engagement with the wheel 32. Reference has been directed by the Comptroller to Specification 890,621.
Patent GB-933006-A (GB)
Title: Control of engines driving gas compressors
Inventor: RICARDO HARRY RALPH
IPC: F04B49/20
Filed: 1961-05-15
Abstract: 933,006. Regulating compressors. RICARDO & CO. ENGINEERS (1927) Ltd. May 9, 1962 [May 15, 1961], No. 17638/61. Class 8(1). In an engine-driven compressor regulator comprising a rod J connected to the governor control means (not shown) of the engine and responsive to the delivery pressure of the compressor acting against a biasing spring L, the rod J is automatically subjected to an auxiliary control means e.g., rollers O<SP>2</SP> engaging a cam surface N<SP>3</SP> at a predetermined point in its movement from its low pressure position to its high pressure position thereby restraining reversal of said movement of the rod J; the restraining influence being insufficient to prevent said reversal under the unopposed force of spring L. Delivery pressure is transmitted through a coupling M to the interior of a bellows F having a thrust plate G which bears against the end wall B<SP>2</SP> of a cylinder B having a flange B<SP>1</SP> against which one end of spring L is seated. In a modification delivery pressure is transmitted to a flexible diaphram R, Fig. 3, (not shown) supported by one end of a cylindrical plug having its other end screwed to the rod J and bearing against the spring-biased cylinder B.
Patent GB-1188507-A (GB)
Title: Improvements in or relating to the Production of Masks on Semiconductor Bodies Involving Anodizing Treatment
Inventor: SCHMIDT PAUL FELIX
IPC: H01L21/033
Filed: 1967-04-18
Abstract: 1,188,507. Anodizing semi-conductors. WESTERN ELECTRIC CO. Inc. April 18, 1967 [May 11, 1966], No.17721/67. Heading C7B. [Also in Division H1] . A mask is formed on a semi-conductor body e. g. a silicon wafer by forming first and second dielectric films on a face of the body, the first film e. g. of silicon oxide or organic photo-resist forming a mask pattern and the second film e.g. of silicon nitride or aluminium oxide or silicate or SiC being co-extensive with the face, anodizing the films so that portions of the second film not contiguous with the first have their solubility changed the first being of sufficient thickness to withstand anodizing, and etching away portions of altered solubility e.g. in buffered HF solution. The first film may be in contact with the face, the second film overlying the first and unmasked portions of that face; or the second film may be in contact with the face, the first film overlying portions of the second. A silicon nitride film may be anodized in an electrolyte solution of pyrophosphoric acid or KNO 2  in tetrahydrofurfuryl alcohol, and a crystalline aluminum oxide film in an ammonium pentaborate solution. The semiconductor body itself may isolate the electrolyte into catholyte and anolyte in which are immersed Pt electrodes. The D.C. voltage may be allowed to rise to a predetermined value while passing a constant current, or a constant voltage may be applied and the current allowed to decay.
Patent GB-835376-A (GB)
Title: Method of producing a wound stator for a dynamo-electric machine
IPC: H02K15/12
Filed: 1958-06-04
Abstract: 835,376. Insulation for dynamo-electric machines. BROWN, BOVERI & CIE. A.G. June 4, 1958 [June 6, 1957], No. 17803/58. Class 35. In a method of producing a wound stator for a dynamo-electric machine having partly closed stator slots 2 where the individual winding wires are laid separately into the slots and are held in position by slot closures, not shown, each wire layer 1 after being inserted into a slot is covered by a hardenable solvent-free coating resin 7 squirted into the slot, and the entire wound stator is heat-treated after all the layers and resin have been inserted and the slots closed. The heat treatment is oven-drying, and the resin 7 is applied in the plastic state by a squirting device 6 having a plunger 5 and tube 8. The invention is applicable particularly to low-power highvoltage machines and is to prevent the enclosure of air bubbles.
Patent GB-216381-A (GB)
Title: An improved method of and apparatus for drying and conditioning materials
IPC: F26B21/00
Filed: 1923-07-10
Abstract: 216,381. Carrier, W. H., and Carrier Engineering Co., Ltd. July 10, 1923. Air, controlling temperature, humidity, and direction of flow of.- In a method of drying wherein air circula tion is augmented at intervals with a relatively small volume of air, this secondary air is supplied at a predetermined humidity and dry bulb temperature which is higher than that of the circulating air. The ratio of the volume of air supplied to that of the circulating air is approximately inversely proportional to the fall in temperature of the respective volumes of air. If the secondary air enters the drying-chamber at 152‹ F. and leaves it at 106‹ F. while the circulating air enters the material at a temperature of 108‹ F. and leaves it at 106‹ F., then the volume of secondary air is one twenty-third of that of the circulating air. The material supported upon trucks, trays, &c. is placed within a chamber having air inlet, return, and outlet ducts 11. 16, and 31 respectively. Within the chamber is a transverse partition having openings accommodating circulating fans. The humidity of the air admitted in the drying-chamber is controlled by a wet bulb thermostat 27 which, through an air motor 29 and a valve 28, adjusts dampers 18, 19 admitting cold and moist return air respectively and regulates the steam jet 22. The temperature of the air is controlled by a dry bulb thermometer 23 which regulates the radiator 21. In a modification, the air inlet duct is arranged in the lower part of the space between the partition and the end of the chamber. In another arangement, the duct is arranged in the upper part of the chamber and a single fan is used.
Patent GB-333678-A (GB)
Title: Improvements in barrels made of aluminium or its alloys
IPC: B65D39/08
Filed: 1929-06-11
Abstract: 333,678. Eichleiter, F. Nov. 13, 1928, [Convention date]. Metal casks; bungs and bushes for bungholes. A barrel of thin aluminium or aluminium alloy consist of two halves with straight sides in the shape of truncated cones 3 welded together, each half having a part 2 of continuously varying curvature and an end part 1 which is a. section of a sphere. A bung socket 5 is welded to the top and bottom of the barrel, a bung 7 with a central aperture 8 for a wood plug being screwed into the socket and covered by a screwed cap 9 having a washer 10 and a projection 11 which secures the stopper from being driven out by internal pressure A lead seal is secured in apertures 12, 13. An alternative welded bung socket is shown in Fig. 2.
Patent GB-530170-A (GB)
Title: Improvements in and relating to water tube boilers
IPC: F22B29/02
Filed: 1939-06-19
Abstract: 530,170. Forced-flow steam boilers. LA MONT STEAM GENERATOR, Ltd. June 19, 1939, No. 17881. Convention date, June 18, 1938. [Class 123 (ii)] In a forced-flow boiler with tubes 6 lining the side walls of a four-sided shaft-like combustion chamber, the tubes are bent at their upper ends to line the surface of a third wall. 'Before opening into the steam drum 12, the tubes may be looped to form contact heated surfaces 8. The tubes 9 lining the rear wall are also looped at their upper ends to form contact-heated surfaces. A superheater 13 is arranged above the loops of the boiler tubes.
Patent GB-222956-A (GB)
Title: Improvements in pneumatic tyres
IPC: B60C9/14
Filed: 1923-07-11
Abstract: 222,956. Dunlop Rubber Co., Ltd., and Paull, W. H. July 11, 1923. Jackets and covers.-The textile foundation 5 of a tyre cover extends from the inner surface of the cover at the tread portion 1 and gradually approaches the outer surface adjacent the tyre edges 2, 2a. In the section shown in Fig. 2, the cover is formed with thickened lapped portions at the rim side. As shown in Fig. 3, rubber strips 7 may be fitted between the fabric plies at the shoulders of the tyre. Further, to facilitate flexing at these places, the outer surface may be formed with grooves or recesses.
Patent GB-840985-A (GB)
Title: Improvements in or relating to height gauges
Inventor: STERN DAVID
IPC: G01B5/00
Filed: 1957-06-06
Abstract: 840,985. Linear-dimension gauges. PITTER GAUGE & TOOL CO. Ltd. June 3, 1958 [June 6, 1957], No. 17996/57. Class 106 (2). A height gauge of the kind used in conjunction with dial comparators, scribers &c., and comprising a vertically displaceable rod 10 connected at its upper end to a micrometer head 15, is characterized in that the rod 10 is provided with two series of gauge faces 22, 23 facing upwards and downwards respectively, each face 22 being in the same horizontal plane as a face 23. The gauge faces 22, 23 are provided in notches 20, 21, respectively. The feeler 16 of the micrometer head 15 rests on a ball 26 in a recess 25 in the top of the rod 10 which is urged upwardly by a compressionspring 30 located in recess 28. The measuring lever of a comparator &c. is adjusted to the height of a point &c. on the article from which the measurement is to be made and the micrometer head 15 is adjusted to bring the nearest gauge face into contact with the lever. For an upwardlyfacing point &c. an upwardly-directed gaugeface 22 is used. Rod 10 can be rotated to bring the other set of notches to the front and is held in position by the engagement of a spring- pressed plunger 34 (not shown) with a groove on rod 10.
Patent GB-613203-A (GB)
Title: Improvements relating to fuse holders or carriers
IPC: H01H85/20
Filed: 1946-06-15
Abstract: 613,203. Two-part couplings combined with fuses. PARSONS, Ltd., C. H., and HANDLEY, G. B. June 15, 1946, No. 18078. [Class 38 (i)] The cover of a holder for a cartridge fuse is provided with resilient means which cause the end caps of the fuse to be retained in close contact with trough-shaped contacts in the holder. The embodiment shown comprises a plug of which the body 10 contains pins 14, 15, 16 and trough-shaped contacts for the end caps 35, the pin 15 being integral with a troughshaped contact 13 and of which the cover 11 carries spring plungers 29, 30 which engage the fuse body to hold the end caps securely within the trough-shaped contacts. The upper portions 32 of the contacts 13 are wider apart than the end cap diameter and are joined to curved portions 33 which lead to converging portions 34.
Patent GB-826729-A (GB)
Title: Improvements in abrasive articles
Inventor: WILKINSON JOHN
IPC: B24D3/34
Filed: 1955-06-22
Abstract: An abrasive article comprises abrasive grains and negligibly abrasive non-metallic inorganic grains, of British Standard 60 mesh or coarser, which function as grinding assistants, bound together by a synthetic resin, which may contain finely powdered filler material. The granular grinding assistants may be composed of an inorganic compound or a mixture of compounds containing sulphur, chlorine, fluorine, or phosphorus, e.g. iron pyrites (iron sulphide), troilite, covellite, &c., chalcocite, chalcopyrite, rock salt, cryolite, fluorspar, bone ash or phosphate rock (calcium phosphate).  The only synthetic resin specified is phenol-formaldehyde, and the only abrasive grains specified are of fused alumina.  Uses.-Grinding wheels, especially for grinding steels.  In the Provisional Specification another form of iron sulphide, viz. marcasite, is mentioned as a grinding assistant.ALSO:An abrasive article comprises abrasive grains and negligibly abrasive non-metallic inorganic grains of British Standard 60 mesh, or coarser, which function as grinding assistants, bound together by an organic band, e.g., rubber, synthetic resin or shellac, which may contain finely powdered filler material.  The granular grinding assistants may be composed of an inorganic compound or a mixture of compounds containing sulphur, chlorine, fluorine, or phosphorus, e.g., iron pyrites, troilite, chalcocite, covellite, chalcopyrite, rock salt, cryolite, fluorspar, bone ash or phosphate rock.
Patent GB-134235-A (GB)
Title: Improvements in Automatic Train Stops.
Inventor: BULLA MELBERN BERNIE
IPC: B61L3/10
Filed: 1917-12-06
Abstract: 134,235. Bulla, M. B. Dec. 6, 1917. Track apparatus for stopping trains.-The brake valve 41 and the throttle valve are operated pneumatically when fluid pressure is admitted to the pipe 47 through the valve 38, which is normally kept closed by the magnet 33. This magnet is in a circuit in series with the relay 34 and the armature of this relay. When a danger condition exists, the shoe 30 is earthed, the relay 34 and magnet 33 are shunted, and the valve 38 is opened by the spring 39. The apparatus is reset by moving the switch 63 to the contacts 75.
Patent GB-552043-A (GB)
Title: Improvements in or relating to printing means
IPC: B41N1/12
Filed: 1941-06-16
Abstract: 552,043. Stencils; typewriters. NATIONAL CASH REGISTER CO. June 16,1941, No. 18128/42. Convention date, June 21, 1940. Divided out of 550,023. [Classes 100 (ii) and 100 (iv)] A printing device comprises a member 34 having discrete capillary pores extending from the rear to the front surface, of the shape of the character to be printed inlaid in an ink-resistant sheet 35 which is secured to an ink pad 24. The structure may be mounted in the printing hammer of a machine.
Patent GB-188355-A (GB)
Title: A shock proof accumulator case
IPC: H01M50/271
Filed: 1921-07-05
Abstract: 188,355. Trench, S., and Browne, G. W. July 5, 1921. Cases.-A box 1 for holding an accumulator is provided with an inner box 11 carried by a cradle 10 supported by springs 9, 13. The springs 9 are secured at their upper ends to a frame 8 fixed to the outer box 1. Springs 14 are fastened to the lid 3 of the outer box and bear upon contact strips 18 on the lid of the inner box, the accumulator terminals being connected to the strips 18 by leads 19. Leads also connect the springs 14 to the external terminals 15. One of the sides of the box 1 may form a hinged door.
Patent GB-139402-A (GB)
Title: An improved solder
IPC: B23K35/26
Filed: 1919-07-21
Abstract: 139,402. Miralite, Ltd., and Grover, W. G. July 21, 1919. Alloys.-A solder, particularly for aluminium and its alloys consists of 2.4 per cent of aluminium, 2.4 per cent of phosphorus, 26.2 per cent of zinc, and 69 per cent of tin.
Patent GB-592301-A (GB)
Title: Improvements in the plasticising of natural or synthetic rubber-like compositions
IPC: C08K5/372
Filed: 1943-11-02
Abstract: Vinyl chloride polymers, isobutene polymers, acrylyl polymers and organic polysulphides are plasticised by the addition of esters of oxydipropionic acid having the formula <FORM:0592301/IV/1> where R and R1 are the same or different alkyl, aryl or aralkyl groups, or alicyclic groups such as tetrahydro-furfural, and X is -O-, -O-CH2-CH2-O-, -O-CH2-CH2-O-CH2-CH2-O-, or -O-CH2-CH2-S-CH2-CH2-O-. Specified esters are dibutyl dihydracrylate, di - n - hexyl - dihydracrylate, diamyl dihydracrylate, dibutyl b ,b 1-(ethylene dioxy) diproprionate, dibutyl b ,b 1-(oxy-bis-ethylene-oxy) dipropionate and dibutyl b ,b 1-(thio-bis-ethylene-oxy) dipropionate. These may be prepared by reacting the corresponding nitrile with an alcohol in the presence of sulphuric acid at 110-120 DEG  C., the desired nitriles having been prepared by the condensation of acrylonitrile with an alcohol or phenol.  In general, the amount of plasticiser to be added may be 5-50 per cent.  Fillers, pigments, dyes and other plasticisers may also be added. Specification 531,721 is referred to.ALSO:Natural and synthetic rubbers such as chloroprene and butadiene polymers, and copolymers of butadiene with styrene or acrylonitrile, are plasticized by the addition of esters of oxydipropionic acid having the formula <FORM:0592301/V/1> where R and R1 are the same or different alkyl, aryl, or aralkyl groups or alicyclic groups such as tetrahydrofurfural and X is -O-, -O-CH2-CH2-O-, - -O-CH2-CH2-O-CH2CH2-O- or -O-CH2-CH2-S-CH2-CH2-O-. Numerous esters are mentioned of which dibutyl dihydracrylate dibutyl b b 1 (ethylene dioxy)-dipropionate di-n-hexyl dihydrocrylate are typical.  These may be prepared by reacting the corresponding nitrile with an alcohol in the presence of sulphuric acid at 110 DEG -120 DEG C. the desired nitriles having been prepared by the condensation of acrylonitrile with an alcohol or phenol.  In general, the amount of plasticizer to be added may be 5-50 per cent. by weight of synthetic rubbers, and 1-10 per cent. of natural rubber.  Specification 531,721 is referred to.
Patent GB-181621-A (GB)
Title: A shock absorbing wheel
IPC: B60B9/20
Filed: 1921-07-06
Abstract: 181,621. Shepard, E. W. July 6, 1921. Spring wheels comprise a circumferentially grooved hub 10 carrying a. pneumatic tube 13 supporting a number of blocks 15 which are held in place by a flexible band 18. The hub 10 may be hollow and may have a bush 11 and side plates 22, 24 to guide the blocks 15. The blocks 15 may have curved abutting ends, and balls 27 in recesses in the sides of the blocks may be provided to engage with radial grooves 26, in the side plates 22, 24. The tread band 18 is preferably of leather, of channel shape and is accommodated in recesses at the sides of the blocks. A valve 25 projecting through a hole in the plate 22 may be provided for inflating the tube 13.
Patent GB-1497686-A (GB)
Title: Monoazo dyes
IPC: D06P3/06
Filed: 1975-05-01
Abstract: 1497686 Monoazo dyes of the aminonaphtholsulphonic acid series SANDOZ Ltd 1 May 1975 [2 May 1974] 18254/75 Heading C4P Novel dyes of Formula I where R 1  is H, Cl, Br or CF 3 , R 2  is H or C 1-4  alkyl and M is H or an alkali metal, ammonium or optionally substituted alkylammonium cation, are prepared by azo coupling. The dyes of Formula I may be used to dye and print natural and synthetic polyamides and give bluish-red shades.