baber/WOPTO huggingface dataset:
Patent GB-641677-A (GB)
Title: An improved braking system for aircraft
IPC: B64C25/46
Filed: 1947-12-18
Abstract: 641,677. Aircraft braking systems. DUNLOP RUBBER CO., Ltd., and BUTLER, H. J. Dec. 18, 1947, No. 33371. [Class 4] [Also in Group XXXIV] An aircraft oleo strut provided with means whereby increase of internal fluid pressure in one space in the strut provides a source of pressure for the automatic and independent application of the brakes comprises pilotcontrolled means for relieving the internal pressure by the application of pressure to fluid contained in a second space in the strut. The lower extremity of the strut 7 is slidably carried by an axle bearing sleeve 8 and is formed with an extension 3 of reduced diameter adapted to slide within the sealed end 4 of the sleeve. Sealing rings 9 are provided in the base of the strut 1 and the extension 3 to seal the cylindrical chamber 1 and the annular space 2. The chamber 1, which may be regarded as a master cylinder, contains hydraulic fluid and has a pipe connection 10 with the fluid-operated brakes while the annular space 2 contains hydraulic fluid connected by a pipe 11 to a source of fluid pressure under the control of the pilot. When the aircraft is parked, the brakes are applied by releasing the fluid pressure in the annular space 2 so that the weight of the aircraft is supported by the fluid in the chamber 1, while to release the brakes or to reduce the braking effort the pilot re-admits fluid under pressure to the space 2.
Patent GB-604962-A (GB)
Title: Improvements in or relating to the manufacture of ammunition cartridges
IPC: F42B33/04
Filed: 1945-12-10
Abstract: 604,962. Capping cartridge cases. VINCENT, M. Dec. 10, 1945, No. 33397. [Class 9 (i)] A machine for capping rimmed-cartridge cases and ringing-in the inserted percussion cap, comprises means for feeding the cases one at a time into axial alignment with a reciprocating holder 8, Fig. 1, which moves sleevelike over the case and presents the base of the case to means for inserting the cap and to a ringing-in tool which operates as a result of the final stage of forward travel of the holder. In the machine shown, cartridge cases travel down a feed chute 13, Fig. 1 and 3, and drop one by one into recessed arms of a slider 19 which is reciprocated by a spring- controlled lever 24 which in turn is actuated by a cam 27 on a shaft 28. Each time the slider reaches its forward position the case therein is picked out by a pair of spring - controlled pivoted fingers 34 on an arm 37, the fingers being suitably bevelled so that they open out when pressed radially against a cartridge case. Arm 37 is connected to a spring-controlled lever 45 whose movements are so controlled by a cam 45A on shaft 28 that each case is first lifted from the slider and then lowered into the path of holder 8. The holder is carried by a reciprocating ram 6 and has a bevelled front end which serves to open out the fingers 34, thus removing a case therefrom and carrying it towards a percussion cap. These caps are fed from an agitated hopper 54 comprising two parallel plates 55, 56, spaced apart by a distance only slightly greater than the length of the caps. A vertical channel 60 beneath the hopper permits the caps to pass in single file to a radial slot in a block 66 which is screwed on a sleeve 67 containing a capping punch 68. A cam 76 on shaft 28 acting on a lever 75, with the assistance of springs 79, 80 'serve to reciprocate the punch which first pushes a cap through a ringing-in tool 72, Fig. 11. The cartridge case at that moment is only a short distance away and is free to move on its holder with the result that the cap can position itself centrally in the cap chamber. The final travel of the holder 8 pushes the case against tool 72 to effect the ringing-in operation, i.e. to cause a circular indentation to be formed in the cap chamber serving to retain the cap in place against firing pressure. As shown in Fig. 11, the tool 72 can yield against the action of springs 102 during the ringing-in operation. The case is removed when the holder is retracted by a rod 49 mounted inside the holder.
Patent GB-486918-A (GB)
Title: Manufacture of polymeric products of acetylene
IPC: C07C2/38
Filed: 1936-12-05
Abstract: Monovinylacetylene and like polymerization products of acetylene are made by polymerizing acetylene in the presence of a substantially anhydrous mixture of a cuprous salt and a salt of ammonia or of an aliphatic or hydroaromatic amine or of a heterocyclic nitrogenous base.  The mixture must be liquid at the reaction temperature, which is preferably about 90-100 DEG  C. but may rise to about 200 DEG  C. Addition to the mixture of an alkali or alkaline-earth halide and a small proportion of a hydrogen halide may be advantageous.  The process is preferably effected in a cycle, the polymers being eliminated from the reaction products and the unchanged acetylene being returned to the reaction vessel. Examples are given in which acetylene is polymerized (1) at 95 DEG  C. in the presence of a fused mixture of cuprous chloride and methylamine hydrochloride; (2) at 150 DEG  C. in the presence of a fused mixture of cuprous chloride and ammonium chloride; (3) at 90 DEG  C. in the presence of a fused mixture of cuprous chloride and piperidine hydrochloride, and (4) at 90 DEG  C. in the presence of a fused mixture of cuprous chloride and the hydrochlorides of dimethylamine, trimethylamine and ethanolamine; in examples 1 and 2, the reaction is effected in an enamelled vessel having a stirrer, and in example 3 the mixture is held in a horizontal cylindrical vessel resembling a known type of gas scrubber; in example 4, the mixture is circulated through a tower through which the acetylene is passed in the same direction or in counterflow. Other salts which may be used are cuprous bromide or iodide, the hydrobromides of the nitrogen compounds specified above, and the hydrochlorides or hydrobromides of mono-, di- or tri-ethylamine, hydroxyalkyl amines such as triethanolamine, ethylenediamine, cyclohexylamine, methylcyclohexylamine, pyridine, quinoline, quinaldine, and quaternary ammonium bases.  British Specifications 384,654 and 390,179, and U.S.A.  Specifications 1,926,039 and 1,926,055 are referred to.
Patent GB-826541-A (GB)
Title: Improvements in or relating to hay-making machines
IPC: A01D78/00
Filed: 1955-11-22
Abstract: 826,541. Side-delivery rakes. VAN DER LELY N. V., C. Nov. 22, 1955 [Nov. 26, 1954], No. 33448/55. Class 6(3). In a side-delivery rake of the type having rake-wheels rotated by ground-contact and in which the rake-wheels may be mounted in a single line on a frame-member 16 for sidedelivery and in two or more lines for swathturning, a further line of rake-wheels 2, 3 may be mounted on an arm 1 so as to lie parallel to those on the member 16 but rearwardly thereof, the arm 1 being detachable from the main frame or pivoted to it so as to be swingable upwardly when not required. The main frame comprises beams 11 and 16 fitted with sockets for the reception of rake-wheel cranks, the frame being carried on castors. The L-shaped arm 1 is supported on a castor 4 at one end and is secured by a pivoted fork to the frame member 16. The rearmost rake wheel of each group may be adjustable in relation to the ground and the foremost wheel may be resiliently supported, Fig. 6 (not shown). Specification 826,542 is referred to.
Patent GB-449293-A (GB)
Title: Improvements in or relating to grinding wheels
IPC: B24D3/34
Filed: 1935-12-03
Abstract: 449,293. Grinding wheels. NORTON GRINDING WHEEL CO., Ltd., Welwyn Garden City, Hertfordshire. Dec. 3, 1935, No. 33467. Convention date, Dec. 5, 1934. [Class 60] The cutting speed of grinding-wheels is increased by treating the wheels with a strong solution of a deliquescent salt such as zinc or calcium chloride. The solution may be applied by a brush before or during grinding or the wheel may be immersed in or covered with the solution and then spun to remove the excess. Grinding-wheels so treated are especially suitable for grinding stainless steel.
Patent GB-489830-A (GB)
Title: Automatic fire alarm and extinguisher
IPC: G08B17/08
Filed: 1937-12-03
Abstract: 489,830. Fire alarms and extinguishers. GRISON, J. Dec. 3, 1937, No. 33475. [Classes 47 (i).and 47 (ii)] A combined fire extinguishing and alarm device comprises a casing 9 in which a grenade 12 is supported by a bracket and a resilient ring. The front and side walls of the casing are provided with pairs of lugs 17 in which are mounted hammers 20. Each hammer is pressed by a spring 24, is retained with the spring stressed by a fusible link 25, and has, at its end, a container 21 for an explosive cartridge and a firing pin 22. Each link 25 comprises overlapping plates 25a, 25b with registering slots 25c filled with solder, the plates having T-heads 25d for engagement with slots in the hammers and the casing walls. The three links are designed to fuse at successively higher temperatures, so that first the hammer at one side, then that at the other side, and finally that at the front, is released. Thus, three successive alarm explosions are produced, and the front hammer projects through an opening 16 in the casing to break the grenade. The casing has a lid 15 permitting removal of the grenade for hand use.
Patent GB-898708-A (GB)
Title: A new or improved clutch
Inventor: TURLEY ALFRED
IPC: B21F33/04
Filed: 1958-10-21
Abstract: 898,708. Controlling toothed gearing. VONO Ltd. Sept. 23, 1959 [Oct. 21, 1958], No. 33506/58. Class 80 (1) and 80 (2). Epicyclic gearing comprising a driving carrier 10, Fig. 2, carrying one or more pairs of stepped planets 42, 43 engaging a reaction stun 20 and a driven sun 17 is used as a disconnectible drive between coaxial shafts 13, 14, the reaction sun 20 being held stationary to connect the drive by means of a locking device which is automatically released, to disconnect the drive, after a predetermined rotation (e.g. one turn) of the driven shaft 14. As shown the planet carrier 10 is keyed to the shaft 13 and has peripheral teeth engaged by a driving pinion 11. The sun gear 17 has an integral sleeve 18 keyed to the shaft 14 and is also supported by a bearing 16 on the shaft 13. The sun gear 20 has an integral sleeve 21 which is rotatable on the sleeve 18 and which has a number of radial slots 22, Fig. 1, engageable by a cranked locking arm 23 having a slotted-pivot connection 24 with a fixed arm 25. The arm 25 is held by a fixed bracket 28. A spring 31 urges the arm 23 towards the slots 22 but engagement is normally prevented by a fixed shoulder 34 abutting a recess in the arm 23. The arm 23 is tilted to release it from the shoulder 34 by means such as a manually or solenoid operated plunger 35, whereupon the arm 23 is moved to engage a slot 22 and thereby establish a drive between the shafts 13, 14. In order to disconnect the drive automatically after one turn the shaft 14 has keyed thereon a collar 39, Fig. 2, having a spring-loaded lost motion connection (Figs. 3, 4, not shown) with a sleeve 36 loose on the shaft 14, the sleeve 36 having a cam nose 37 which as it rotates contacts the nose of the locking arm 23 to disengage it from the slot 22 and re-engage it with the shoulder 34. The lost motion connection ensures that the shaft 14 undergoes a full 360-degree rotation before the drive is disconnected. Further cam projections may be provided to disconnect the drive after less than a full turn of the shaft 14. It is stated that the arm 23 may be automatically operated periodically to effect intermittent rotation of the shaft 14-e.g. for indexing a work-table. Specification 859,163 is referred to.
Patent GB-1487673-A (GB)
Title: Melt level sensor
IPC: G01F23/24
Filed: 1975-08-12
Abstract: 1487673 A melt level sensor STANDARD TELEPHONES & CABLES Ltd 12 Aug 1975 33533/75 Heading G1N A melt level sensor comprises a pair of thermocouple junctions 3, 4 connected in series and positioned in a tube 1, one 3 of the junctions being located in and at one end of the bore of the tube and the other in a hole 5 in the side wall of the tube near said one end. The junctions are coupled to a microvoltmeter 7. In use dry nitrogen is passed through the tube with equal cooling effect on the junctions until the end of the tube approaches the surface of the melt 8 when an e.m.f. will be set up. The meter is calibrated in height above the surface of the melt.
Patent GB-329352-A (GB)
Title: Improvements in or relating to dish and like washing machines
IPC: A47L15/30
Filed: 1928-11-16
Abstract: 329,352. Coverley, O. R., and Rendle, V. Nov. 16, 1928. Plates, dishes, and the like, washing.-In apparatus for washing dishes and like articles, of the kind comprising a receptacle 1 adapted to contain a rotatable dish-holding bracket 2 which is rotated by jets of liquid forced by a pump through pipes 3, 4 and caused to impinge on the dishes, two tanks 8, 9 are provided which are capable of swinging or pivoting around the axis of a vertically-disposed plug cock, the plug 13 of which is held stationary while the body 12 rotates with the tanks, the plug and body being provided with co-operating passages so that by angular adjustment of the tanks liquid may be withdrawn from either tank as desired and circulated through the apparatus. The body 12 is provided with passages 14, 15 which at their outer ends communicate with the interior of the tanks, and at their inner ends open out into the seating for the plug 13. A partition 18 divides the plug into two parts, the upper part 19 being formed with ports 22, 23 and communicating with the pipe 7 supplying liquid to the receptacle 1. The lower part 20 is formed with a port 24 and communicates with an outlet 21. By angular movement of the tanks about the plug 13, either tank may be put into communication with the receptacle 1 or may be emptied of liquid. The pump comprises a rotary impeller 26 adapted to draw liquid from the portion 19 of the plug and force it through a lateral passage 30 leading to the pipe 7. The pump is driven by an electric motor 28. A rotatable sleeve may be interposed between the plug 13 and the body 12, the sleeve having ports corresponding to those of the body 12 and being adapted to cut off communication between the tanks and the pump, so that heated air may be supplied to the pipes 3, 4, by way of a suitable valve.
Patent GB-471457-A (GB)
Title: An improved method of manufacturing paper or like cushions or like packings
IPC: B31D5/00
Filed: 1936-12-07
Abstract: 471,457. Paper - making machines. STEINWENDER, T., and STEINWENDER, W. Dec. 7, 1936, No. 33604. [Class 96] [Also in Group XVII] In the making of paper packings &c, webs 1a of paper &c. from rolls 13 are superimposed and portions severed by a device 20, 21, the severing device interrupting the feed to produce spaces 22. Outer webs 15, 16, one being gummed transversely and longitudinally by sprayers 28, 29, are then fed by rollers 23, 24 to enclose totally the severed strips 1a, the webs 15, 16 adhering at the longitudinal edges and at the spaces 22. A severing device 34, 35 severs, at points 36, the connected packings, which are collected at 37 having been dried at 33. The webs 1a are each produced by running pulp 1 on to a sieve 6 to which is applied suction at 7, 8 ; air pressure at 10 transferring the fibrous band to a drying cylinder 9 from which a scraper 12 removes it for winding on to a drum 13.
Patent GB-389918-A (GB)
Title: Improvements relating to stair carpet fastening devices
IPC: A47G27/06
Filed: 1931-12-05
Abstract: 389,918. Stair-carpet fasteners. CLAY, A. and WICKER, J. C., 21, St. Paul's Square, Birmingham. Dec. 5, 1931, No. 33745. [Class 52 (v).] A stair-carpet fastening device comprises an arm 6 pivoted to a bracket 5a secured to the rise and tread of the stair and lockable thereto by a knob 10 when in the position for engaging the carpet. The knob 10 has a shaft 9 having a bent part 9a which can pass through a slot in the bracket in one position of the knob 10 and on rotation of the knob engages a cam surface 5d on the underside of the bracket so as to pass the arm 6 on to the carpet to an extent which may be adjusted by the degree of rotation of the knob. The arm 6 is fitted with a domed rubber buffer 7 and a rubber stud 8 sliding in turned-down flanges 6a of the arm.
Patent GB-1094664-A (GB)
Title: Hot water heater
IPC: F24H/
Filed: 1966-07-28
Abstract: 1,094,664. Water heaters. G. BAUKNECHT G.m.b.H. ELEKTROTECHNISCHE FABRIKEN. July 28, 1966 [Sept. 22, 1965], No. 33872/66. Heading F4A. A tank 1 of a hot water heater is supported on a mixing fitting 4 by a generally triangular fixing stirrup 2 which has its upper parts bent over to form plates 15 which are spot-welded to the bottom of the tank, and which is secured by a screw 5 to an integral upstanding lug 3 on the mixing fitting 4. In addition, the stirrup 2, which is situated in the vertical plane of the centre of gravity of the tank 1, has a fork-like end-piece 6 which embraces the key faces 8 of a collar 7 of the mixing fitting 4 to provide additional support. The collar 7 also connects the mixing fitting 4 to a water connection pipe 9. Flow and discharge pipes (12), 13 over which the tank 1 is a push-fit, extend upwardly from the mixing fitting 4.
Patent GB-1312404-A (GB)
Title: Modular electronic system
IPC: H05K7/20
Filed: 1971-07-20
Abstract: 1312404 Mounting electrical equipment SINGER CO 20 July 1971 [22 Oct 1970] 33924/71 Heading H1R A modular electronic system comprises stacked electronic units 11, a front mounting plate 13, and a rear mounting plate 18. Each unit 11 has a hollow metal frame 20, e.g. of aluminium, having apertures 27, 28 and slots 29a, 29b, 32a, 32b connecting the apertures with the hollow interior. A heat conductive structural member 31 may also be provided. When stacked, the units form ducts 66, 67, 68 by virtue of apertures 28, the hollow frame interiors, and apertures 27 respectively. A cooling medium, supplied through orifice 14, flows through duct 66 and then in parallel through the ducts 67. During its passage through each duct 67 the cooling medium removes heat generated by the electronic circuits via metallic sheets 41, 35. The sheets, preferably of copper, are bonded to the metal frames by adhesive 44. Circuit boards 33, 39 are in turn bonded to the metallic sheets via electrical insulating means 37, 42 respectively, heat generated by the circuitry passing via means 37, 42 to the metallic sheets. The cooling medium exits via duct 68 and orifice 69. Units 11 each have male contacts mounted on border member 25, the contacts engaging with female contacts mounted on an interconnection board at the base of the system housing (Figs. 2-4, not shown). The male contacts have a width, perpendicular to the component carrying surfaces of boards 33, 39, considerably in excess of their thickness. The co-operating female contacts are tight fitting with respect to thickness but loose fitting with respect to width to allow movement of the units between the front and rear plates 13, 18 and to take up any dimensional inaccuracies. In some instances two separate interconnecting boards (50), (52), (Fig. 3, not shown), may be used, the boards being electrically connected by means of a flexible wiring tape (53) passing through a dummy unit (54). The units and the front and rear mounting plates are held together by arms (19), (Fig. 1, not shown), hinged to rear plate 18, the arms engaging upper notches 21 of the metal frames, the lower notches 21 engaging lower guide rods.
Patent GB-1168241-A (GB)
Title: Heat-Sealing Device for Thermoplastic Sheets
Inventor: LEE GEORGE ARTHUR
IPC: B29C65/24
Filed: 1966-07-28
Abstract: 1,168,241. Seaming non-metallic sheet material. AUTOPACK Ltd. 31 July, 1967 [28 July, 1966], No. 33930/66. Heading B5K. A heat-sealing device comprises a membrane 11 of low thermal capacity, means 13 to hold thermoplastic sheets or layers 12 to be sealed together stationary during the sealing process and to press the sheets or layers 12 against one side of the membrane 11, devices 21, 26 for heating and cooling, respectively, the layers 12 through the membrane 11, and means whereby the devices 21, 26 are successively applied to the membrane 11 to heat and cool the layers 12 before the pressing means 13 is released. As shown, the membrane 11 is supported between bars 10 and is preferably a glass fibre fabric or mat. The pressing means comprises a heat-resistant resilient pad 13, e.g. of silicon rubber, mounted on a bar 14 carried on pivoted brackets 15 and which is raised and lowered by a solenoid 16 through a lever 17 and a link 18. The lowering of the pad 13 is limited by a stop 19. The heating device comprises a plate 21 clamped between bars 22, 23 and continuously heated by an electrical heating element and is carried by brackets 24 secured to a spindle 25. The cooling device 26 comprises a water-cooled hollow plate 27 carried by brackets 28 secured to a spindle 29. The spindles 25, 29 are turnable in unison by a parallel motion linkage comprising arms 30a, 31 and a link 32. The arm 30a forms part of a lever 30 secured to the spindle 25 and having an arm 30b movable by a bell-crank lever 33 through a link 34. A roller 35 on the lever 33 engages a cam 36. In use, a flattened polyethylene tube 12 is fed intermittently and at the end of a feeding cycle the solenoid 16 is energized to clamp the tube against the bars 10. Simultaneously, the cam 36 brings the plate 21 into contact with the membrane 11 for a very short time and then a spring 37 turns the lever 33 to bring the device 26 into operation to cool the melted tube whilst it is completely unstressed. The pad 13 is lowered and a stripper bar 20 attached to the bar 14 detaches the tube 12 from the membrane 11. The device 26 remains in contact with the membrane until the end of the next feeding cycle. In a modification (not shown), the bars 22, 23 are omitted and the heating device comprises an asbestos plate having a flat strip of a nickel-chrome alloy wound around the edge thereof and heated by a low voltage supply.
Patent GB-175456-A (GB)
Title: Improvements in and relating to electro-plating metallic bodies
IPC: C25D3/56
Filed: 1920-12-01
Abstract: 175,456. Groff, J. S. Dec. 1, 1920. Alloys, depositing.-Metals are coated electrolytically with a mixture of lead and tin in substantially equal parts. The coating is elastic and is particularly applicable to articles subject to variations in temperature and pressure, such as the air flask or other parts of a torpedo, or a container for compressed air. Anodes consisting of a mixture of tin and lead in equal parts are prepared by casting, and are immersed in lead fluoborate solution; a current is then passed with a temporary cathode of steel until the proportions of tin and lead in the electrolyte are substantially equal. The electrolyte is preferably prepared in the following wax. 90 lb. of boric acid are dissolved in 204 lb. of hydrofluoric acid. 120 lb. of white lead made into a thin paste with water are then added. The whole is made up to 120 gallons with water and 6 oz. of glue dissolved in a little warm water is then added. The electrolysis is carried out in a pitch-lined tank.
Patent GB-442615-A (GB)
Title: Improvements in appliances for washing clothes
IPC: D06F13/00
Filed: 1934-11-27
Abstract: 442,615. Washing-machines. SUTTON, G. J., 14, Victoria Street, Westminster. Nov. 27, 1934, No. 34025. [Class 138 (ii)] A swinging beater in a washing-machine comprises a box-like member having two perforated faces 5, 6 and two internal pivoted flaps 7, 8 such that when the beater swings clockwise the flap 8 covers the perforations in the face 6 and vice versa. A stationary squeezing plate 11 may be provided. Instead of being oscillated about the bearings 1 the beater may be rotated or may be rectilinearly reciprocated.