baber/WOPTO huggingface dataset:
Patent GB-644730-A (GB)
Title: Improvements in or relating to industrial trucks
IPC: B62B3/00
Filed: 1948-07-19
Abstract: 644,730. Vehicle suspensions. ELECTRO-. HYDRAULICS, Ltd., and SHARP, C. W. July 19, 1948, No. 19361. [Class 108(ii)] In a steering axle suspension for an industrial truck, the axle is carried at or near its centre by two springs whose ends are attached to a pair of brackets forming a sub-frame pivotally mounted on a pair of transverse frame members. As shown, the steering axle 11 is secured near its centre to two leaf springs 7, 8 whose ends are attached to brackets 6 mounted on pivots 5 carried by the transverse frame members 3, 4. Pivotal movement of the sub-frame may be limited by resilient means such as rubber pads or coiled springs.
Patent GB-717838-A (GB)
Title: Improved in or relating to pigment pastes, methods of making the same and pigmented oil coating compositions employing the pigmented paste
IPC: B31B3/28
Filed: 1951-08-17
Abstract: A pigment paste comprises water, 100 parts of pigment and 1 to 50 parts of a pulverulent water-insoluble copolymer of styrene with a half ester of maleic acid in which the ester group consists of a mixture of methyl and secondary butyl groups, the copolymer being present as the ammonium, morpholine or alkylamine salt, the alkylamine being volatile below 100 DEG  C.  In its preparation the copolymer is added to an aqueous slurry of pigment and solubilized by the addition of the alkaline agents.  A pigmented oil coating composition may be prepared by adding a drying oil, e.g. linseed oil, to the aqueous phase and agitating until the pigment and copolymer are transferred to the oil phase which is then decanted. Pigments mentioned are organic lakes, toluidine toners phthalocyanin blue, ultramarine blue, lithopone, bentonite, mica and titanium dioxide. Other film-forming materials may be dispersed to give water-paints, inks, or oil-based coating compositions which on drying are insensitive to water and alkali resistant.  They are added as liquids, e.g. a drying oil, as organic solutions, e.g. an oil-modified alkyd and a butylated methylol-melamine in a xylolbutanol solvent or as aqueous dispersions, e.g. polystyrene and butadiene-styrene copolymer (preferably those with at least 50 per cent. styrene).  Other film-formers include natural resins, unsaturated polyester resins, phenol, melamine- and urea-aldehydes, aldehyde-alcohols, and polymers and copolymers of vinylidene compounds.  Plasticizers such as partially hydrogenated terphenyl, butyl benzyl phthalate and di-octyl phthalate, driers, e.g. manganese naphthenate, anti-foaming agents, e.g. pine oil, and viscosity improving agents, e.g. methyl cellulose, may be added prior to or at the same time as the film-formers and in the case of oil-based compositions, thinners or solvents such as turpentine, benzene, xylol or mineral spirits may be used.
Patent GB-796852-A (GB)
Title: Improvements in agricultural and like spraying equipment
IPC: A01M7/00
Filed: 1955-07-06
Abstract: 796,852. Crop sprayers. EVERS, C. E. ST. J., and WALL, E. July 3, 1956 [July 6, 1955], No. 19498/55. Addition to 680,749. Class 69 (3). The outlet 13 of a pump 12 feeding, from a tank 10, one or more spray booms 18, is connected thereto through a two-position three-way cock 16 which, in one position, cuts off said supply and connects the booms to the tank through a pipe 19, and in the other position connects the pump outlet to the booms and disconnects them from the tank. A relief valve 14 is provided which, through a pipe 20, is connected back to the tank. The nozzles in the booms may have non-drip valves as described in Specifications 680,750 or 796,851, and the relief valve is preferably of the form described in Specification 680,751.
Patent GB-1351043-A (GB)
Title: Digital signal transmission circuit
IPC: H04B3/50
Filed: 1971-06-09
Abstract: 1351043 Digital pulse circuits FUJITSU Ltd 9 June 1971 [22 June 1970] 19568/71 Heading H3T In a digital signal transmission circuit having a transmitter circuit including an oscillator OSC for modulating an input digital signal, a full wave rectifier circuit D1, D2, first and second resistors R1, R2 connected in series between the first and second output terminals of the full wave rectifier circuit, a transistor Q whose collector is connected to the junction of the two resistors R1, R2 and whose base is connected to the second output terminal and a diode D3 whose cathode is connected to the base of the transistor and whose anode is connected to the emitter of the transistor, during the time when the input signal is impressed the diode D3 produces a forward voltage drop to cut off the transistor Q and then a voltage between the collector and emitter of the transistor is sent to a transmission line 1, 2 and during the time when the input digital signal is not impressed the diode D3 is cut off and then the transistor Q is made conductive by discharging electric charges stored in the transmission line. Both conductors of the transmission line are insulated from ground. The pulse output obtained from the rectifier circuit D1, D2 is applied to a matching circuit comprising R1, R2, Q and D3. The output impedance of the transmitter circuit is maintained constant for outflowing and inflowing currents by D3 and Q. For outflowing current diodes D1 and D2 conduct the signal and D3 is forward biased to cut off Q. When no signal is sent there is an inflow of current by discharge of the stray capacitance of the line 1, 2, the diodes D1 and D2 are reverse biased as is D3 which causes transistor Q to conduct so as to maintain the output impedance constant. This circuit provides sharpening of the trailing edge of the output pulse (Fig. 4B, not shown) and may be used in computer control systems.
Patent GB-468813-A (GB)
Title: Conveyor devices for ashes, cinders and the like
IPC: F23J1/02
Filed: 1936-07-14
Abstract: 468,813. Screw-conveyers. SCHWABACH, G. July 14, 1936, No. 19574. [Class 78 (i)] In a device wherein ashes &c., led from a furnace by a pipe 2 extending below the surface of water in a trough, are conveyed away by a worm, the worm 3, Fig. 1, horizontally arranged in the trough 1 containing water consists of a spirally wound band without a longitudinal shaft, the outer surfaces of the spiral turns operating with a scraping action on the bottom of the trough and a discharge device is provided at the discharge end of the horizontal worm for lifting the ashes &c. from the trough, which discharge device is driven in common with the worm 3. The discharge device may be a similarly constructed spiral band 5 arranged in an upwardly inclined end 6 of the trough and connected to the worm 3 by a universal coupling 7. Various different forms of driving couplings are described and shown, such as a sliding pin, a dog clutch, and bevel gearing. The worms may be driven separately by a common driving member. In Fig. 8, a motor 18a drives a bevel wheel 27 meshing with bevel wheels 25, 26 on the worms, a compression spring 24 exerting a pressure on the worm 5 in the direction of its axis. The members 25, 26 may be conical friction wheels engaging conical surfaces of a driving member arranged with a horizontal axis. In another construction, a motor 18, Fig. 10, drives two outside shafts 30, 31 coupled together at 32 and provided with chain wheels 34, 38. Chains 35, 39 pass over the wheels 34, 38 and drive chain wheels 36, 40 on the respective worms. The driving shafts 30, 31 may be arranged within the trough. In another form, the two worms are driven from the motor by two sets of bevel gearing connected together by a chain drive. Instead of a discharging worm, the worm 3, Fig. 14, is provided with a shovel 52 for lifting the ashes which are forced up the inclined end 6 of the trough. The worm 3 is prevented from rising by a pair of longitudinal rollers 42. Instead of the end, one side wall of the trough may be inclined, the shovel being horizontal and connected to a disc bearing a second shovel. This construction may be used with two conveyers 3 conveying in opposite directions to a central discharge incline in the trough wall. For conveying large amounts of ashes, the worm 3 at its discharge end has secured to it a large disc provided with shovels similar to vanes. As shown in Fig. 23, the discharging device may be a chain 66 driven by a chain wheel 67 on the conveying screw and provided with cups 70.
Patent GB-574950-A (GB)
Title: Improvements in or relating to thermionic valve amplifiers
IPC: G01S7/28
Filed: 1943-11-23
Abstract: 574,950. Valve amplifying circuits. WATTON, W. L. Nov. 23, 1943, No. 19586. [Class 40 (v)] A thermionic valve amplifier having one or more stages 1, 2 of narrow band-width is provided with a further stage 3 capable of passing a substantially wider range of frequencies. The stage 3 is rendered periodically operative and inoperative by pulses applied from a source 4, and the pulses may, -if desired, be applied also to the stages 1, 2. High selectivity is provided by the stages 1, 2 and the stage 3 ensures rapid decay of the signal when the amplifier is rendered inoperative. The amplifier may be used in radio-location equipment, and may be applied to radio transmitters or receivers.
Patent GB-1453690-A (GB)
Title: Radial piston pump
IPC: F04B1/00
Filed: 1974-05-06
Abstract: 1453690 Reciprocating pumps WEPUKOHYDRAULIK GmbH 6 May 1974 [18 May 1973] 19788/74 Heading F1A [Also in Division F2] In a multi-cylinder radial piston pump in which each piston 12 engages a shoe 18 sliding on a slideway 19, a chamber 21 is supplied with fluid from the cylinder 11 through a connecting channel 23 supplied by inlets 24 from the bottom of the outermost piston ring groove 26.
Patent GB-455664-A (GB)
Title: Improvements in air cooling means for sleeve valve internal combustion engines
IPC: F02F1/34
Filed: 1935-07-11
Abstract: 455,664. Cooling cylinders. ROWLEDGE, A. J., Ellerslie, Trowels Lane, Derby. July 11, 1935, No. 19823. [Class 7 (ii)] In a sleeve - valve engine, cooling air, flowing from the inlet to the exhaust side, is deflected by a baffle D<1> into each cylinder head recess and on to coaxial ribs B which are cut away at B4 round a sparking-plug C<1> on the exhaust side, the plug being thus cooled by the air escaping around it. The baffle D<1>, which may be curved as shown at E, is connected to the engine cowling D and has a tongue D<2>, which may be integral with the cylinder head, extending down to the ribs B but cut away at D<3> to provide access, with a box spanner, to a central sparking-plug C ; a plate D<4> closes the gap when the box spanner is removed. The outer cooling rib is higher than the others, and the inner ribs are cut away at B<3> to encourage air flow to the centre of the recess. In a modification, the baffle has a bent-back portion which clears the central sparking-plug and divides the air into two streams, each again being divided at the bottom of the recess, one flowing back around the plug C and the other forward around the plug C<1>.
Patent GB-1071508-A (GB)
Title: Improvements in severing devices for the threads on double chain stitch sewing machines
IPC: D05B57/02
Filed: 1966-05-06
Abstract: 1,071,508. Sewing machines. UNION SPECIAL MASCHINENFABRIK G.m.b.H. May 6, 1966 [May 8, 1965; Dec. 9, 1965], No. 19999/66. Heading DIG. A double-loop sewing machine in which a needle thread loop is engaged with the threaded looper when the needle is raised, is provided with a hooked member movable between the looper and throat plate to co-operate with a cutting blade and clamping spring for severing the needle and looper threads. As shown, an arm 25, positioned between the threaded looper 4 and the throat plate, is pivoted on a fired vertical pin 23 and is rigid with an upper knife blade 26 formed with a cutting edge 33, and a lower spring blade 27. An arm 24, positioned between blades 26, 27, is formed with a hooked end 32 and is pivoted on pin 23. Arm 24 is rigid with a lever arm 22 connected by a link to the armature of a solenoid, whereby, when the latter is de-energised, arm 24 is biased counterclockwise to engage and shift arm 25 to an end position against the bias of a spring 28. The machine is arranged to stop with the needle 3 raised and a loop 36 of needle thread 6 engaged by the looper 4. Said solenoid is then energised, whereby arm 24 moves clockwise to position hook 32 adjacent the point of looper 4, and spring 28 moves arm 25 clockwise till a lug 29 thereon engages a fixed abutment to position edge 33 about two stitch lengths from the needle aperture. Simultaneously, arms 14, 15 are moved between the discs of tensioners 8, 9 for the needle and looper threads 6 and 7 respectively to release the thread tensions, while arms 11, 12, rigid with arms 14, 15, draw off lengths of needle and looper thread. When said solenoid is de-energised, hook 32 successively engages the limb 35 of looper thread extending from the looper eye 34 to the work, and the limb of needle thread loop 36 extending to the work, whereby said limbs are severed at edge 33 and the thread ends are held between the blades 26, 27. In modifications it is arranged that only the looper thread is held between said blades.
Patent GB-732883-A (GB)
Title: Improvements in or relating to sparking plugs
IPC: H01T13/39
Filed: 1953-07-20
Abstract: 732,883. Sparking plugs. BOSCH GES., R. July 20, 1953 [July 26, 1952], No. 20002/53. Class 7(4). In a sparking plug having an insulator 1 with a longitudinal bore 2 that houses a central electrode having two parts 3, 9, the adjacent ends 6, 11 of which abut and overlap so applying a lateral force therebetween the bore 2 is large enough to provide a clearance between the overlapping electrode parts, and the bore, the abutting end of at least one electrode part being bevelled, tapered or rounded. The electrode part 3 which has projections 4 resting on a shoulder 5 of the stepped bore 2 is cemented in the smaller diameter part of the latter, the larger bore portion housing both a layer of compacted powder 7 and glass-powder paste 8 into which is inserted the knurled part 9, the end 11 of which displaces some of the paste into the resulting spaces in the bore during assembly. After assembly the insulator is dried and then heated to fuse the paste. In a modification, the upper part of the bore is enlarged and the space between the outer electrode part and the enlarged portion of the bore is filled with compacted powder ; the collar is replaced by a nut. In a final modification, a disc is interposed between the projections and insulator shoulder whilst the bore and hence the outer electrode part are of flattened section to prevent turning movement of the electrode in the insulator ; the abutting ends of the electrode are of conical form.
Patent GB-531029-A (GB)
Title: Improvements in and relating to windows
IPC: E06B3/50
Filed: 1939-07-10
Abstract: 531,029. Windows. BACHTOLD, M. July 10, 1939, No. 20035. [Class 20 (iii)] A window has side hinged sashes 1, 3 and a laterally sliding central sash 2 which when the sash 1 is open may be slid into its end position 4 pivoted outwards near the line of the hinges of the sash 1. The central sash is supported on rollers between upper and lower flanged iron rails 7. Angle iron guides 11, 12 on the sash have transverse webs 13 formed with notches 15 which engage the front flanges of the rails 7. A fitting 21 at the top corner of the sash has a pin 25 on a flat sided block 24 and adapted to engage corresponding recesses 28, 27 in a fitting 26 at the top corner of the frame. A fitting 32 at the bottom corner of the sash has a pin 34 with a circular recesses 35 which engages a peg on the bottom corner of the frame. A lug 23 on the fitting 21 engages a curved slot 29 in the. fitting 26. The webs 13 on the guides 11, 12 pass through slots 19 in the front flanges of the rails 7, when the window 2 is opened and helps to support the window during the initial part of the turning movement.
Patent GB-586072-A (GB)
Title: Improvements in or relating to electric storage batteries
IPC: H01M50/172
Filed: 1944-10-18
Abstract: 586,072. Storage batteries. PRITCHETT & GOLD & E.P.S. CO., Ltd., and CHAPMAN, E. S. Oct. 18, 1944, No. 20143. [Class 53] . The container of a storage battery is made of a thermoplastic material such as polystyrene resin, the lid being moulded about the upper ends of the terminal pillars before these are burnt to the plates. Alternatively a thermoplastic bush may be moulded round the pillar and the bush then cemented in an opening in the lid. Inter-cell connectors and connectors to the external circuit are connected to the terminal pillars by a mercury seal or mechanical joint without the use of heat, the connectors being covered with thermoplastic material which is sealed to the lid or bush. Fig. 1 shows two cells in one of which the lid 'c is moulded round the terminal pillar a, the other cell having a bush h<1> moulded round the pillar and cemented in an opening formed by a socket h on the lid. The lid c and bush h<1> are formed with extensions c<1> projecting above the lid and constituting wells for the reception of mercury into which the ends of a connecting wire e extend. The wire is covered with polystyrene or other resin which is cemented to the wells c<1> which are closed by caps g. The upper ends of the pillars a are provided with copper ferrules j. Fig. 2 shows a modification in which a take-off lead k is connected in the well c<1> to the pillar a by means of a binding screw m. The lead may alternatively be inserted in an aperture in the pillar which is then deformed to secure good electrical contact.
Patent GB-771197-A (GB)
Title: Hydraulic lifting devices for motor vehicles
IPC: B66F7/22
Filed: 1955-07-13
Abstract: 771,197. Garage lifts. BECKER, R. July 13, 1955, No. 20269/55. Class 78 (3). In a garage lift the lifting head 2 of an hydraulic ram is provided with laterally adjustable wheel-engaging members 4, and is pivoted at 5 to a beam 6 which has a ground-engaging roller 7 and rear axle supports 8. These supports are-mounted on the beam for lateral and longitudinal adjustment. In a modification (not shown) the supports 8 are replaced by either wheel or differential casing engaging members. The beam is of inverted triangular cross-section.
Patent GB-945402-A (GB)
Title: Instrument for stripping insulating coverings for wires, cables and the like
IPC: H02G1/12
Filed: 1961-06-06
Abstract: 945,402. Stripping electric cables. C.S.R. WOTTON. May 25, 1962 [June 6, 1961], No. 20377/61. Heading H1A. A device for stripping the insulation from electric cables comprises a pair of handles 10 fastened together by a leaf spring 12, each handle carrying a member 15 (Fig. 2), which is heated by an internal electric element so as to cut through the insulation and a subsequent movement of the instrument relative to the wire to remove it. The ends 16 of the heating elements have notches 17 so as to overlap when they grip the insulation and different spring arrangements for the handles are described.
Patent GB-531145-A (GB)
Title: Improvements in or relating to methods and means for improving the durability of glass containers
IPC: C03C15/00
Filed: 1939-07-13
Abstract: 531,145. Glass manufacture. UNITED GLASS BOTTLE MANUFACTURERS, Ltd., BUNCE, A., and DORMAN, E. P. July 13, 1939, No. 20412. [Class 56] A method of improving the durability of glass bottles and like containers comprises introducing a substance containing sulphur and oxygen, which decomposes and gives off acid gases when heated, into the bottles at a suitable point between the forming machine or finishing mould and the leer. The substance may consist of an ammonium salt such as ammonium sulphate or thiosulphate, and it may be used alone or combined with a retarding agent, such as ammonium carbonate. The substance may be formed into tablets or pellets which are introduced into the hot bottles by automatic means, or it may be used in the forms of crystals or powder or in solution. The apparatus for feeding pellets may comprise a rotating disc B formed near its edges with slots C. The pellets are stored in a shoot A and are removed one at a time by the slots C and dropped into the bottles which are moving along a conveyer E<SP>2</SP> between a forming- machine and the leer.
Patent GB-221071-A (GB)
Title: An improved exhaust silencer for internal combustion engines
IPC: F01N1/08
Filed: 1923-08-11
Abstract: 221,071. Howard, H. J. Aug. 11, 1923. Exhaust-silencers.-A silencer consists of a casing 1 with one or two corrugated division plates 2 placed with the corrugations across the direction of gas flow, so that the gases are divided into two or three streams which re-unite at the outlet. The casing may be in two halves bolted together, with ribs 3 for spacing the plate 2 and with external cooling-ribs 5. The two halves may be pressed from sheet metal, the ribs 5 being hollow and the ribs 3 being omitted. In another form, the casing comprises a flat tube having detachable and reversible end-pieces.
Patent GB-240279-A (GB)
Title: Improvements relating to ink-ribbons for typewriters, duplicators, copying machines, printing machines and the like
IPC: B41J31/10
Filed: 1924-08-30
Abstract: 240,279. Neville, F. W. Aug. 30, 1924. Ink ribbons.-To prevent soiling of the fingers when inserting an ink ribbon in a duplicator, typewriter, or the like, an end portion or portions of the ink ribbon are so treated or covered as to prevent ink from being transferred to the fingers when the portions are grasped. The portions may be covered with tin foil, celluloid, fabric, paper, or the like, or with a solution of rubber or celluloid, in which case metallic or coloured powder may be mixed with the solution to distinguish the covered portions.
Patent GB-1127472-A (GB)
Title: Improvements relating to hospital beds
IPC: A61G7/005
Filed: 1966-05-10
Abstract: 1,127,472. Adjustable beds. GLAXOALLENBURYS (AUSTRALIA) PTY Ltd. 10 May, 1966 [11 May, 1965], No. 20741/66. Heading A4J. In an obstretrical bed, having a screwoperated longitudinal tilt adjustment, means are provided for over-riding the adjustment to carry the bed frame 22 directly into a position of maximum downward inclination, parallel to frame members 10. On turning shaft 30 to alter the transverse inclinations of arms 25, the frame 22 is tilted longitudinally into the required position of adjustment. On lifting frame 32 from stops 33, blocks 55 are immediately freed, to swivel through 180 degrees about pivots 57 and thus lower shaft 30 and arms 25, by the diameter of the semi-circular path, of the shaft, about pivots 57. Brake pads 42 of anti-static rubber are provided.
Patent GB-258720-A (GB)
Title: Improvements in and relating to the construction of concrete walls in situ
IPC: E04B2/84
Filed: 1925-08-19
Abstract: 258,720. Clements, J. Aug. 19, 1925. Moulding walls in situ.-The uprights 6 for supporting shutter ing for concrete walls are engaged in apertures in cross-bars 1, one of the apertures 5 having a length slighthly ir excess of the width of one of the bars and a width approximately equal to its length so that core shutters may be supported by an upright which is rotated in the aperture for removal. The other apertures 2, 3, 4 are spaced apart to give different wall thicknesses for solid walls and the cross-bars and uprights are locked together by wedges 7.