baber/WOPTO huggingface dataset:
Patent GB-251493-A (GB)
Title: Improvements in wrenches
IPC: B25B13/12
Filed: 1925-08-05
Abstract: 251,493. Hackeney, F. C. Aug. 5, 1925. Hand grip sliding-jaw wrenches.-An adjustable wrench comprises a head with fixed jaw and having a handle rigidly secured thereto, a movable jaw with toothed shank sliding in the head and a handle pivoted to the head and having a toothed extremity adapted to engage the shank teeth for looking the movable jaw and obtaining a final grip. The shank 26 of the movable jaw 21 is guided in an opening 16 in the head 15 carrying the fixed jaw 14 and is provided with inclined teeth 23 adapted to be engaged by similar teeth on the head 27 of a lever 13 pivoted on a pin 24 carried by lugs 17, 18 on the head 15. A second handle 12 forked at the end to straddle the head 27 is mounted on the pin 24 and is provided at the ends with gear segments 25, 26, Fig. 2, engaging teeth 19, 20 on the head 15. The handles are forced apart by a spring 29. The jaw 21 is adjusted after turning the handle 13 to disengage the toothed head 27 from the jaw teeth 23.
Patent GB-674709-A (GB)
Title: Improvements in or relating to wrapped electrical connections
IPC: H01R4/14
Filed: 1950-08-09
Abstract: 674,709. Direct connections between conductors. WESTERN ELECTRIC CO., Inc. Aug. 9, 1950 [Aug. 9, 1949], No. 19804/50. Class 38 (i). A connection comprises a terminal 1 having a non-circular cross-section, the dihedral angle between adjacent sides 4, 7 being preferably greater than 90 degrees and a wire 2 wrapped round the terminal and highly stressed so that a high compressive force exists between the terminal and the turns, and so that the terminal is twisted by the wire attempting to unwind. The wire is stressed to about 4000 1bs./inch<SP>2</SP>, and the edges 8 of the terminal are chamfered. The terminal may be deformed at localized points 25 either by the wire or deliberately before wrapping, Fig. 4b (not shown). The terminal may have sharp tongues at one side to bite into the wire, Fig. 4c<SP>1</SP> (not shown), or it may be U- shaped, the edges 30 thereof being slightly blunt, Fig. 4d<SP>1</SP>; the terminal alternatively may be wedge-shaped, or double fish-tail-shaped, Figs. 4e and 4f<SP>1</SP> (not shown), the edges thereto not being sharp. The terminal edges may be sinusoidal, Fig. 4g, and the terminal may be bent upon itself, the wire being wrapped round both sections, Fig. 4k. Two terminals may be wrapped in a single wire, Fig. 4h (not shown).
Patent GB-857231-A (GB)
Title: Filters for gases and vapours
Inventor: BALDWIN WILLIAM W
IPC: B01D46/52
Filed: 1958-06-20
Abstract: 857,231. Air or gas filters. CAMBRIDGE FILTER MANUFACTURING CORPORATION. June 20, 1958, No. 19860/58 Class 8 (2). An air or gas filter formed from a continuous sheet of filter medium 18, folded, with each fold held apart by a corrugated metal, or mineral fibre sheet 16, so as to form a core which will allow the gas to pass through it. The core is sealed into a unit, made of a frame 12 with sheet metal sides, by a compressed mat of fibre glass 14 which will positively prevent by-passing or leakage of contaminated air around the filter.
Patent GB-1432693-A (GB)
Title: Entering data in data storage device
IPC: G11B19/02
Filed: 1973-04-26
Abstract: 1432693 Data recording system INFORMATION STORAGE SYSTEMS Inc 26 April 1973 [24 July 1972] 19931/73 Heading G4C A data recording system includes a recording device arranged to record data on a storage medium (e.g. a magnetic disc) under control of a controller, the device including means for recording data at selected locations in response to signals from the controller, each location having a distinct length, and means for erasing any remaining part of a selected location following completion of recording in that location, the erasing means being operative independently of the controller and supply an "erasing" signal to the controller during the erasing. As described a controller operates three disc stores A, B, and C. The controller supplies data over line 26 and a write signal over line 25, the data being recorded in a selected location on disc 12 by a head 15 via AND 27, OR 28, and driver circuits 29. The locations are defined by signals read from a servo disc 14 which rotates in synchronism with the data disc 12. When the recording is complete the controller supplies a signal over line 41 to set a latch 40 which provides a busy signal to the controller and enables gate 39 to pass filler bits (ones or zeros) to the write driver, the filler bits being derived from an oscillator 35 phase locked to a clock track read by head 16. A circuit 44 associated with the servo disc generates an index pulse at the end of the selected location to reset latch 40 and make the device available to the controller. The arrangement allows the controller to service other jobs, e.g. on the other disc stores, during the erasing period.
Patent GB-217461-A (GB)
Title: Improvements in syringes
IPC: A62C11/00
Filed: 1923-08-03
Abstract: 217,461. Jones, L. M. Aug. 3, 1923. Air vessels; delivery pipes; suction reservoirs. -A syringe for fire-extinguishing &c. comprises a casing 20 divided by a partition 21 into a liquid chamber 22 and an air cushion chamber 23, a cylindrical housing 1 extending through the casing and enclosing at the front end a removable anti-leak device 6<a>, 6<b>. The device may be formed of two members 8, 9 provided with valve faces 8<a>, 16 adapted to engage valve seats 3<a>, 15. The liquid is delivered past a valve 28 into the air vessel 23, from which it passes through a pipe 24 and ports 13 in a hollow extension 6b of the member 9 to the nozzle 4. When the syringe is in use, the valve face 8<a> is pressed on its seat by a spring 10 to prevent liquid from passing from the pump barrel 1 through the plug 3 into the chamber 5, and the valve face 16 is pressed away from its seat by a spring 14 so that the liquid may pass through the ports 13 to the nozzle. When not in use, the piston 2 is forced home to press the valve, face 16 on to its seat and the ports 13 into the passage 12.
Patent GB-227753-A (GB)
Title: Wiper cloth for pipe joints
IPC: F16J15/10
Filed: 1924-08-23
Abstract: 227,753. Williams, G. E. Aug. 23, 1924. Soldering.-A wiper cloth comprises a sheet of cloth folded into a number of plies, the cloth being given a permanent curve substantially a segment of a cylinder. A substantially square sheet of asbestos 2 is placed on a square sheet of canvas 1 of sixteen times the area of the asbestos with one side of the asbestos aligned with one end of the cloth and the adjacent side of the asbestos aligned with the centre of the cloth. The cloth is first folded inwardly so that the sides meet the centre line, then along the longitudinal central line, then endwise to bring the end edges to the centre line and finally about the transverse centre line, thus making the cloth into a square form comprising sixteen plies and having the asbestos sheet between the two plies which are adjacent to the centre of the folded cloth. The folded cloth is shaped between heated dies.
Patent GB-1192284-A (GB)
Title: Rocket Motor
Inventor: WADDLETON NORMAN
IPC: F02K9/94
Filed: 1968-04-26
Abstract: 1,192,284. Rocket motors and igniters. AEROJET-GENERAL CORP. 26 April, 1968, No. 20016/68. Heading F3A. A pulse rocket motor has solid propellant in the form of three grains 18, 20, 22 which are caused to burn in succession with a short time interval therebetween by intervening membrane-igniters 24, 26 substantially similar to each other. As shown in Fig. 2 membraneigniter 24 comprises a disc 28 of frangible elastomeric material which is a good thermal insulator such as silicone or Buna N rubber. A recess 30 in the side of the disc facing the second grain 20 contains electrically actuated primers 32 energized through leads 33 and connected to a petal design of string-like pyrotechnic material 34. The recess 30 is closed or filled by pyrotechnic material 36 which may take the form of a layer of heat paper or the form of a slurry of aluminium, boron, potassium nitrate, potassium chlorate, and a binder. Since the first grain 18 is internal burning the membrane-igniter 24 has an erosion barrier 38. In operation, the grain 18 is ignited and the membrane-igniter 24 and barrier 38 prevents the heat from igniting the second grain 20. After a desired time interval following expiration of the grain 18 the primers 32 are actuated to ignite the grain 20, the membrane-igniter 26 preventing ignition of the grain 22. When grain 20 has expired the grain 22 is ignited by energizing the ignition elements of the membrane-igniter 26.
Patent GB-1340145-A (GB)
Title: Hydraulic boost device
IPC: B60T13/16
Filed: 1971-09-07
Abstract: 1340145 Power-assisted steering mechanism BENDIX CORP 7 Sept 1971 [21 Sept 1970] 20094/73 Divided out of 1340144 Heading B7H [Also in Division F2] The disclosure is identical to that of the parent Specification 1,340,144, but the claims relate to: an hydraulic boost device, comprising a housing 10 having a pair of inlet ports 14, 16, a pair of outlet ports 18, 20 a chamber 34 in fluid communication with the ports, a movable piston 36 in the chamber, a valve 48 slidable in the housing from a first position communicating the chamber with one outlet port 20, and one inlet port 14 with the other outlet port 18 to a second position terminating fluid communication between the chamber and the one outlet port 20 and communicating at least a portion of the fluid flowing into the one inlet port 14 to the chamber, operator-actuated means for moving the valve, stop means within the housing responsive to the fluid pressure in the other inlet port 16 to prevent valve movement to its second position, the other inlet port 16 then communicating fluid into the chamber when its fluid pressure is greater than that of the chamber, the valve including other means to impede fluid flow from the chamber to the one outlet port upon operator-actuated means operation during fluid communication into the chamber through the other inlet port whereby the fluid pressure in the chamber is increased to move the piston.
Patent GB-630175-A (GB)
Title: Improvements in handle constructions for lawn mowers and like devices
IPC: A01D34/62
Filed: 1947-07-25
Abstract: 630,175. Handles. SUFFOLK IRON FOUNDRY (1920), Ltd., and HARDWICK, A. E. July 25, 1947, No. 20163. [Class 61(i)] The handle 17 of a lawn mower or similar implement is attached by means of two cranked, metal members 10 of shallow U- section which partially embrace the handle and are secured to it by bolts 16. The members may have stiffening ribs 20 and their free ends are apertured for pivoting to the mower. The aperture 18 may have an outwardly pressed sleeve 21, Fig. 3, to provide a longer pivot bearing.
Patent GB-137258-A (GB)
Title: Improvements in and relating to the fork-crowns of pedal-cycles, motor-cycles and the like
IPC: B62K21/04
Filed: 1919-08-16
Abstract: 137,258. Lamb, A. G., and Randells, W. S. Aug. 16, 1919. Forks.-The filling-pieces for the fork crowns of cycles, motor-cycles, &c. are formed by folding, pressing, or otherwise mechanically treating a narrow sheet-metal blank so that the piece has a continuous vertical flat back a, a continuous concave front face b, a lower concave surface c, and an upper slightly convex surface d, the sides of the piece being open. The pieces are fixed in the shell of the crown by brazing or by fusion of the metal at the points of contact.
Patent GB-152469-A (GB)
Title: Improvements in or relating to electric locomotives
IPC: B61C9/50
Filed: 1919-08-16
Abstract: 152,469. Zweigbergk, T. Aug. 16,1919. Gearing with provision for permitting flexure or distortion.-The motor N is mounted on the body of the locomotive with the rotor M vertically arranged and with a vertically-yielding connexion, such as a short cardan shaft K. between the member M and the gearing B, C to transmit the drive to the axle A. The gear case E has projections F which may slide in guides G to transmit the torque reaction from the gear case to the body of the locomotive. The cardan shaft has upper pivots K<1>, L<1> and lower pivots J<1>, K<2>, and it is connected to the pinion C by a non-circular sliding connexion such as a short cylindrical member H formed at the upper end with teeth slidably engaging a similarly-shaped hub member.
Patent GB-260691-A (GB)
Title: Continuous crystallising apparatus
IPC: B01D9/00
Filed: 1925-08-11
Abstract: 260,691. Marks, E. C. R., (Grasselli Chemical Co.). Aug. 11, 1925. Crystallizing.-In growing crystals by maintaining a suspension of crystals in an upwardly flowing solution, the crystallizing vessel is formed of annular shape and of increasing cross-section upwardly. The crystallizing vessel 1 is of conical form and contains a hollow conical member 11. Cooling water may be circulated through a jacket 5 of the vessel 1 and also through the member 11. The solution to be crystallized is supplied by a pipe 18 to a short conical vessel 3 provided with a heating jacket 9, and rises through the vessel 1 to a wide conical chamber 4 from which it passes over a weir 15 to a pipe 17. Excess of small crystals is removed by a heating-coil 14 in the chamber 4. Large crystals which settle in the vessel 3 are discharged through a pipe 19, which terminates in an adjustable outlet about at the level of the outlet 17 in order that the amounts of liquid discharged by the pipes 17, 19 may be adjusted. The pipe 19 discharges on to a perforated or wire gauze travelling belt from which the crystals are discharged to a storage bin and liquid is returned to the crystallizing apparatus. Specification 261,085 is referred to.
Patent GB-1596200-A (GB)
Title: Preparation of foamed gypsum
IPC: B28B1/50
Filed: 1978-05-17
Abstract: In this process, a foam is formed in a foam generator (40) using compressed air from the line (17) and water, containing air-pore-forming agent, from the tank (47) and is added to the gypsum mortar during conveying in a closed, motor-driven gypsum mortar conveying device. Since the gypsum mortar is not conveyed by gravity, it is uniform and the mixing in of the foam therefore takes place uniformly. Since the low-viscosity mortar is pressurised in the closed device (21), the bubbles cannot expand. The system for carrying out the process possesses a mixing device in which the mixing element is a conveying screw (25). It has a tubular housing (27) to which a gypsum feed (29), a water feed (31) and the foam generator (40) are connected in sequence. <IMAGE>
Patent GB-733928-A (GB)
Title: Improvements in or relating to compression ignition internal combustion engines
IPC: F02B75/02
Filed: 1952-11-12
Abstract: 733,928. Compression-ignition engines. STANWELL, P. Sept. 11, 1953 [Nov. 12, 1952 ; May 1, 1953], Nos. 20242/52 and 12066/53. Class 7(2). In a compression-ignition engine liquid fuel and air are introduced into the cylinder 1, the fuel being insufficiently divided for compression-ignition within the normal range of compression ratios, and a portion at least of the introduced fuel is brought within the cylinder to a sufficient state of sub-division to ensure compression-ignition within the normal range of compression ratios. On the compression stroke fuel and air are drawn into the crankcase through a carburetter 7, for example, the mixture being compressed during the working stroke and then directed via a transfer passage 3 into the cylinder 1 to both scavenge and charge the latter. The piston 2 is provided with a centrally disposed protrusion 9 that at T.D.C. is adapted to enter a combustion chamber 10, the head 11 of which is adjustable to vary the volume of the chamber. A clearance 13 is provided between the protrusion 9 and the side walls of chamber 9 through which some of the mixture is forced into the chamber 9 by the rising piston thereby sub-dividing the fuel so that it readily ignites therein by compression. The piston protrusion may be ribbed.
Patent GB-832394-A (GB)
Title: Helicopter rotor speed control system
Inventor: SUMMERLIN FREDERICK ARTHUR
IPC: B64C27/00
Filed: 1957-06-27
Abstract: 832,394. Automatic speed control systems. SPERRY GYROSCOPE CO. Ltd. June 23, 1958 [June 27, 1957], No. 20357/57. Class 38 (4). [Also in Group XXXIII] In a helicopter, the rotor speed is maintained substantially constant with movement of a rotor pitch control lever 2 by controlling a throttle 12 of an engine 13 by means responsive to rotor speed variation and position of the control lever. The means comprises a differential lever 16, connected to the throttle, having a pivot mechanically coupled to the control lever, the other pivot being positioned by a servomotor 11 controlled through an amplifier 9 by the potential difference between a direct voltage from a tachogenerator 14 sensing rotor speed, and a reference voltage from a potentiometer 7. The reference voltage is varied by a twist grip 5 moving a slider 6 of the potentiometer.
Patent GB-1513432-A (GB)
Title: Pyridopyrazines
IPC: C07D213/80
Filed: 1975-05-14
Abstract: 1513432 Pyridopyrazines E R SQUIBB & SONS Inc 14 May 1975 [25 July 1974] 20377/75 Heading C2C Novel compounds of Formula I wherein R, R 3 , R 4  and R 5  each is hydrogen or lower alkyl; R 1  and R 2  each is hydrogen, lower alkyl, lower alkanoyl, di(lower alkylamino)lower alkyl, phenyl, substituted phenyl, or is an unsubstituted or substituted heterocyclic of the group consisting of pyrrolidino, piperidino, or piperazino; wherein the substituted phenyl bears one or two lower alkyl, lower alkoxy, halogen, trifluoromethyl, amino or carboxy groups, and the substituted heterocyclics bear a hydroxy-lower alkyl, one or two lower alkyl or a phenyl group; and acid addition salts thereof and lower denotes groups containing up to 7 carbon atoms are prepared by reaction of a compound R 4 CO.COR 5  with a 3,4-diamino pyridine. Many intermediate substituted pyridines are prepared. Pharmaceutical compositions in conventional forms having anti-inflammatory, and tranquillising activity comprise an above novel compound and a carrier or diluent.
Patent GB-317368-A (GB)
Title: Improvements relating to the dry spinning of artificial threads
IPC: D01D5/04
Filed: 1929-07-03
Abstract: 317,368. Aceta Ges. Aug. 14, 1928, [Convention date]. Apparatus for making filaments.-Apparatus for the dry spinning of artificial silk comprises a cylindrical spinning pipe at one or both ends of which there is fitted a transverse pipe closed at one or both ends bv a window. The upper transverse pipe may be fitted with a circular tubulure for the introduction of the spinning nozzle and for passage of the drying air. The piping employed is preferably of seamless steel and all connections may be made permanent and gas-tight by welding or soldering. In the form of apparatus shown, a is a cylindrical pipe from which the spun thread issues at h and to the upper and lower ends of which there are welded transverse pipes b<1> and b<2>. One end of each transverse pipe is closed by a circular window c<1>, c<2> hinged to the pipe and held in the closed position by a clamping screw g', g<2> against a washer i', i<2>, which is pressed against the plane end surfaces k<1>, k<2> of the pipe. The other end of each transverse pipe may be closed in a similar manner or mav be permanently closed and fitted into a suitable recess in the pipe. On the upper transverse pipe b<1> there is a tubulure d for the passage of the drying air, and through which the spinning nozzle f is introduced. The mouth of the tubulure is closed by a plate held by suitable clamps e.
Patent GB-153279-A (GB)
Title: Improvements in or relating to safety razors
IPC: B26B21/18
Filed: 1920-07-10
Abstract: 153,279. Rohde, R. Oct. 25, 1919. [Convention date]. No Patent granted (Sealing fce not paid). Razors, safety. The lower clamping-plate a<1> of a razor having smooth, corrugated or screwthreaded guard rollers b<1>, b<2> mounted in the plate, is formed with lather-wiping extensions a<2>, a<3> disposed behind the rollers. One or more slits a<4>, as, through which the lather passes, are formed between the lower clamping-plate and the extensions. Reference has been directed by the Comptroller to Specification 127,195.
Patent GB-1061840-A (GB)
Title: Improvements in or relating to applying titles,texts and the like on finished positive films
IPC: G03C11/02
Filed: 1964-05-19
Abstract: 1,061,840. Etching processes. G. PETERS. May 19, 1964 [Oct. 26, 1963; Oct. 31, 1963], No. 20522/64. Heading B6J. [Also in Division G2] An etching process under the action of supersonic vibrations for applying titles, texts and the like to finished positive films, wherein the titles &c. are stamped out in a protective layer applied to the film, is distinguished by the feature that when the film is immersed in an aqueous etching solution, for black and white films, etching takes place at a frequency of 30 Œ 10 kc/s. at a temperature of up to 20‹ C. and, for colour films, at a frequency of 50 Œ 10 kc/s. at a temperature of up to 30‹ C. A wetting agent, e.g. alkyl phenol or polyglycol, may be added to the etching solution.
Patent GB-206206-A (GB)
Title: Improvements in surgical syringes
IPC: A61M5/315
Filed: 1922-07-27
Abstract: 206,206. Stordeur, F. M. July 27, 1922. Syringes. - Relates to syringes of the kind used for the injection of vaccines and of the type wherein a laterally projecting handle on the barrel carries a pivoted lever having a pawl-andratchet connection with the piston, which may be moved a predetermined distance to inject a given dose on the depression of the lever which is then returned to its former position by means of a spring. According to the invention, the lever d carries a pawl 10 engaging teeth 6 cut on the piston-rod b, the preferred constriction employing circular teeth as shown in Fig. 1. A spring 11 in the handle c effects the return of the lever to a position governed by the stop 16 thus regulating the dose. Modifications of the handle and stop are described.
Patent GB-612496-A (GB)
Title: Improvement in variable speed device
IPC: G06G3/08
Filed: 1946-07-10
Abstract: 612,496. Variable-speed gear. THURSTON, A. P. (Ford Instrument Co., Inc.). July 10, 1946, No. 20610. [Class 80 (ii)] A variable-speed gear, which may be used as a mechanical integrator, comprises a sphere 20 driven by a roller 14 at a controlled rate and steered by a roller 35 mounted for orientation about an axis passing through the centre of the sphere and the point of contact of the roller 35, confining rollers 21 engage the sphere in a diametral plane and are mounted on an output member 22 for rotation about an axis normal to the diametral plane. A motor 10 drives the sphere 20 through the gears 11, 12 and the driving roller 14, the sphere 20 being held by confining rollers 21 mounted on a cage 22 which is journalled in the bearings 24 for rotation about the axis passing through the centre of the sphere and the point of contact of the roller 14. The steering roller 35 is mounted on a shaft 36 in bracket 38, the latter being arranged for rotation about a pin 39 whose axis lies on a line joining the centre of the sphere and the point of contact of the roller 35. Adjustment of the rotation about this axis is effected by an arm 58 rigid with the bracket 38 and having a slot 60 engaged by a roller 61 on a slide 62 movable transversely by a rack and pinion 70, 71, movement of the slide tilting the steering roller 35 and so increasing or decreasing the component of rotation of the sphere received by the confining rollers 21 on the output member. The greater the angle B the less will be the relative speeds of the roller 14 and the cage 22. In a modification, the relative positions of the steering and driving rollers are interchanged.