baber/WOPTO huggingface dataset:
Patent GB-444449-A (GB)
Title: Improved stop-cock
IPC: F16K5/02
Filed: 1935-06-07
Abstract: 444,449. Plug cocks. KLINGER, R., Gumpoldskirchen, Austria, and NAAMLOOZE VENNOOTSCHAP IRMA INDUSTRIE EN RUWMATERIALEN MAATSCHAPPIJ, 55, Haringvliet, Rotterdam, Holland. June 7, 1935, No. 16664. [Class 135] Packing in the seat of a rotary cylindrical or conical plug - cock is fitted in grooves arranged symmetrically about a plane X Y containing the axis of the plug and making an obtuse angle alpha with the bore through the casing. The distance b between the edge of the bore through the casing and one of the packing strips 3 can thus, without increasing the size of the plug, be made larger than the bore a of the plug, to prevent contact of the moving fluid stream with the packing in any position of the plug. The plug is turned through the whole angle alpha to closed position.
Patent GB-1345354-A (GB)
Title: Sandl
IPC: A43B3/12
Filed: 1971-05-24
Abstract: 1345354 Boots &c HIROSHIMA KASEI Ltd 24 May 1971 [24 April 1971] 16666/71 Heading A3B A sandal consists of a sole portion 1 and a strap 2 integrally moulded from a synthetic resin composition, the sole portion 1 having short lengths of fibre 7 distributed therein and comprising a central closed-cell layer 4, two intermediate open-cell layers 5 and two unfoamed surface layers 6. A shank stiffener (not shown) may also be incorporated in the sole portion. A sandal having this structure is made by melting a blend comprising a thermoplastic resin and a foaming composition comprising short lengths of fibres mixed with one or more blowing agents, injecting the melt into a fixedcavity mould and cooling the melt to solidify it. Suitable thermoplastic resins are p.v.c., polyethylene, polypropylene, polystyrene, vinyl chloride-ethylene-vinyl acetate copolymer, ethylene-vinyl acetate copolymer, acrylonitrile butadiene-styrene copolymer and the like. The fibres may be natural or synthetic fibres.
Patent GB-167008-A (GB)
Abstract: 167,008. Legge, N. May 4, 1920. Two-stroke-cycle engines.-An engine with two pairs of coaxial cylinders has its combustion spaces 5, 8 and 6, 7 cross-connected by passages 9, 10 respectively. Combustible mixture is compressed in the upper ends of the cylinders 1, 2, that compressed in the cylinders being afterwards transferred to the combustion spaces 5, 8 through the hollow piston-rod 13 and the passage 32. Similarly, the pump charges compressed in the cylinder 2 are transferred to the combustion spaces 6, 7 through the hollow piston-rod 14. Scavenging-air is admitted to the crank-chambers through a passage 29, and is conveyed to the lower cylinders through transfer passages 33, 34. The exhaust ports 37, 38 may be located in the lower cylinders, the scavenging-air and mixture inlet ports .being disposed in the upper cylinders. Also, the functions of the air and combustible mixture pump;; may be reversed, or combustible mixture may be compressed in both pumps. Further, the crank-shaft may be located above the cylinders, or the position of each cylinder of a coaxial pair may be reversed.
Patent GB-855908-A (GB)
IPC: H01H50/56
Filed: 1956-05-31
Abstract: 855,908. Contact members for switches. SIEMENS EDISON SWAN Ltd. May 10, 1957 [May 31, 1956], No. 16868/56. Class 38 (5). [Also in Group V] The springs 1 (Fig. 2) of a contact-spring set have portions thereof intermediate their ends embedded in an insulating block 5 made of a synthetic resin material, capable of being moulded by a low-pressure process, both ends of each contact-spring being left free. In Fig. 5(a) only an offset portion 11 of the contactspring 10 is embedded in the insulating material 14, the rest of the spring being free. In Fig. 5(d) the two ends 15, 16 of the spring are effectively mechanically isolated from each other, and the spring may be stiffened by kinking at 18. In Fig. 6(a) each contact-spring 20 has two pressedout tongues 19 embedded in the block 21. In Figs. 6(b)-6(e) (not shown) the two tongues 19 are replaced by : 6(b) a single tongue; 6(c) a pressed-out arcuate portion; 6(d) an offset portion parallel to the main portion of the spring; 6(e) two downwardly-extending side portions.
Patent GB-1461816-A (GB)
Title: Method and apparatus for coating webs
IPC: G03C1/74
Filed: 1974-04-17
Abstract: 1461816 Coating webs FUJI PHOTO FILM CO Ltd 17 April 1974 [20 April 1973] 16879/ 74 Heading D1L Webs e.g. paper, films or fabric, are coated by contacting the web with a roller supplied with coating material from a reservoir whilst applying pressure, by means of a pressurized flexible diphragm, to the back of the web at the point of contact of the web with the roller. The diaphragm may be stationary 23 as shown in Fig. 7 or rotatable as shown in Fig. 9. In Fig. 7 the diaphragm 23 is urged against the web 1 by pressure of a gas supplied through nozzle 21 by pipe 22. In Fig. 9 the diaphragm is cylindrical and is similarly pressurized by the gas supplied through slot 21 in axial pipe 22. The ends of the cylindrical diaphragm are provided with close fittting end plates to prevent escape of gas. The coating on web 1 is doctored by air blast at 6.
Patent GB-694045-A (GB)
Title: Improvements in or relating to shaped woodwork and like panels
Inventor: HEATH LEONARD GEORGE
IPC: A47B96/20
Filed: 1950-07-06
Abstract: 694,045. Doors. BLUESTONE & ELVIN, Ltd. July 6, 1951 [July 6, 1950], No. 16880/50. Class 20(iii) [Also in Group XXIII] A door is made up of cross members 2 of the required contour attached to stiles 1 and intermediate bearer members 10 to form a frame, and facing elements 15, 16 are secured thereto with adjacent edges of the elements supported on a bearer member. A backing member 8 may be provided and the elements may be recessed or haunched into the bearer members. Preferably a bearer member is provided at each change of contour, and the facing elements comprise generally flat or moulded elements. The cross members and stiles are connected by tongue and groove joints.
Patent GB-130225-A (GB)
Title: A Toy for use in Playing a Game and for other purposes.
Inventor: STARKIE ROBERT EASTWOOD
IPC: A63F9/02
Filed: 1918-10-16
Abstract: 130,225. Starkie. R. E. Oct. 16, 1918. Games of chance.-Relates to a toy for use in playing games, or for use as a savings bank or collecting box for coins, and comprises a wooden, metal, or cardboard structure 1 surmounted by a screwed rod 10 which is fitted with a nut 14 carrying a representation 16 of an aeroplane at one side, and a representation 17 of a shell at the other side. A catch 12 representing a flag holds the nut at the top of the pole. The aeroplane, as described in Specification 128,866, has a propeller 19 carried on a sliding member, the sliding member and the body of the aeroplane being slotted so that when the propeller is pushed in the slots coincide and a coin or ball is dropped. A tower 4 is provided with a coin slot 9 and is pivoted between lugs 6. In using the toy, a coin is placed in the aeroplane and the catch 12 is released by hand. thus allowing the aeroplane to descend and rotate round the pole under the influence of gravity until the propeller 19 contacts with and tilts the tower 4. The propeller is thus pushed in and the coin drops through the coin slot 9 and thence through another coin slot in the top of the structure 1. The release of the coin from the aeroplane may be effected by a rotary movement of the propeller 19 instead of by a sliding movement. The aeroplane is raised to the top of the pole again by means of a sliding collar 18. The coin slots may be widened out to permit the use of balls, and the top of the structure 1 may be provided with numbered cups into which the balls roll after discharge from the tower 4. The balls may be released by the finger or by a cam surface on the rod 10, the position of release being variable at will.
Patent GB-331660-A (GB)
Title: Improvements in and relating to mechanical toys
IPC: A63H27/22
Filed: 1929-06-01
Abstract: 331,660. Wollaston, H. J. Buchanan-. June 1, 1929. Mechanical toys; boats.-In means for winding-up by rotating or stretching the driving- spring of toy aeroplanes, seaplanes, or boats, a separate straight or curved rod provided with a toothed or friction surface engages freely with a corresponding circular wheel on the rotatable member across which it is driven to effect the rotation. The rod, Fig. 4, may consist of a lath, in a groove in which is secured a spiral spring H slightly stretched before insertion and tacked down at its ends. The spring preferably engages a grooved surface on the wheel D, Fig. 5, which is connected to a propeller A by elastic N, backward rotation of the wheel being prevented by a spring 0 or by holding a suitable part of the apparatus. A pivoted stop K for the propeller is provided. Alternatively, the spring may be coiled around a stiff rod or tube. The rod may be formed with rack teeth engaging a pinion on the toy or may be of wood engaging projecting spikes on the wheel.
Patent GB-1412854-A (GB)
Title: Moment compensating arrangement in tiltable propeller housings
IPC: B63H25/52
Filed: 1973-04-09
Abstract: 1412854 Outboard drive VOLVO PENTA AB 9 April 1973 [20 April 1972] 16902/73 Heading B7V A propeller housing 3 mounted on the stern 2 of a vessel and tiltable about horizontal pivot 4 has an arrangement which compensates wholly or in part for undesired turning movement on the steering mechanism. The housing has a downwardly extending intermediate propulsion shaft 9 around which portion 12 of the housing is rotatable and portion 13 to non-rotatable. Ram 15 forms part of tilting and trimming device 14 mounted between the stern and housing, and end 16 of the ram facing the housing is mounted for movement in its own anal direction in the non- rotatable portion of the housing and is arranged to engage a cam 19 on the rotatable portion of the housing. The cam laterally displaces contact point B of the bearing surface 20, Fig. 4b, on which the propeller pressure is taken up by the ram, and thereby gives a steering movement which compensates for undesired torque on the rotatable portion of the housing.
Patent GB-120541-A (GB)
Title: Improvements in or relating to Sewing Machines.
IPC: D05B47/00
Filed: 1917-10-06
Abstract: 120,541. Roberts, W. T. B., and British United Shoe Machinery Co. Oct. 6, 1917. Sewing-machines; chain-stitching by devices comprising barbed needles; thread-tensioning devices. -In inseam sewing-machines such as described in Specifications 17328/08 and 28985/10, the thread - tensioning device is mounted to act as an auxiliary take-up and is stated to be applicable specially to machines having automatic devices for rethreading the stitch-forming elements as described in Specification 120,411. The tension wheel 210 is connected to a flanged sleeve 224 loose on the brake-shaft 218 and connected thereto by two springs 220, 222. The spring 220 is connected at one end to a collar 236 secured to the shaft 218 and at its other end to a pin 234 on the tension wheel. The spring, 222 is connected by a collar 232 secured to the shaft and to a pin 228 which is secured to a collar on the shaft and passes through a slot 230 on the the tension wheel. While the shaft is being braked, the wheel 210 moves first against the action of the spring 22(, then against both springs till the pin 228 reaches the end of the slot 230. Slack thread produced during the sewing is taken up by the retrograde movement of the wheel under the action of the springs.
Patent GB-1185709-A (GB)
Title: Piezoelectric Transducer
IPC: G05D16/20
Filed: 1967-04-13
Abstract: 1,185,709. Valves. FISHER GOVERNOR CO. 13 April, 1967 [20 Oct., 1966], No. 17093/67. Heading F2V. [Also in Division G3] A transducer utilizes a piezoelectric flapper 20 to control the pressure in chamber 25 in response to applied electrical signals. As shown, the flapper has plates 17, 18 coated with a conductive film. Terminals 13, 14 are connected to the inner and outer coatings respectively. The pressure in chamber 25 is applied to diaphragm 30 and the latter positions a valve 40 movable between supply and exhaust seats 45, 45a. The output signal at 46 is optionally amplified at 47 and fed to the inlet 27 of chamber 25 where it exerts a feedback force on the flapper. In a modification, valve 40 is omitted and the output signal is taken from the flapper chamber, this signal being fed back to the flapper through a diaphragm. In a further modification, the flapper controls the outlet from a chamber. The flapper in all cases acts as a capacitance 100 and exhibits " memory " so that the transducer can receive a pulsed input and will provide an output pressure proportional to the integral of a series of input current pulses.
Patent GB-567738-A (GB)
Title: Improvements in or relating to means for storing lines
IPC: B65D5/54
Filed: 1943-10-18
Abstract: 567,738. Storing rocket and other lines. SCHERMULY, C. D., SCHERMULY, A. J., and SCHERMULY, C. Oct. 18, 1943, No. 17103. [Class 18] Rocket and other lines are stored in a sealed waterproof container in a way that permits easy delivery, by flaking the line in a cardboard, millboard, &c. box, cutting the lid at 5 to leave an aperture at the centre, and leading the line through a piece of material 7 shaped to fit the aperture, the lid segments and piece 7 being secured by light gummed paper &c. Scored hinge lines 3 are provided and strengthened by adhesive strip 4. When traction is exercised on the free end of the line, e.g. by securing it to a rocket, piece 7 comes away and the lid segments open so that the line is free to be drawn out. The joints of the container are sealed by adhesive strip and the whole waterproofed by shellac.
Patent GB-590478-A (GB)
Title: Improvements in spiral tillers on agricultural machines
IPC: A01B33/02
Filed: 1944-09-07
Abstract: 590,478. Spiral tillers. BAGAN, J. P. Sept. 7, 1944, No. 17114. Convention date, July 20, 1943. [Class 6 (i)] A rotary tiller comprises the combination of a spiral blade 1, with an end thrust resisting wheel 6, a tractor carrying hydraulically operating supporting means 18-23, a spring cushioned shock absorbing rod 31 and means for conveying a rotary motion to the spiral tiller. The specially shaped blade 1 rotates on shaft 2 supported in bearings 11, 13 carried on end plates 9, 10. The whole structure including platform 8 and baffle plate 7 is carried on wheels 4, 5 adjustable as to depth. The wheel 6 has a hub 52 running on the surface of the ground with a peripheral blade 53 cutting to a substantial depth, and is supported on an arm 15 free to move in a vertical plane against a downwardly pressing spring 16 the whole being pivoted at 38 to the end plate 9. The tractor carries supporting machinery, and the bar 18 adjustable to length, is secured and cushioned by spring 19, and carries hangers 20 attached to lugs 26 on the strengthening rear and front angle girders 40 on platform 8. Levers attached to the rear lugs 26 on the rear girder have the lifting mechanism 22, 23 attached and operated by known means from the tractor. The rod 31 is attached to the structure at the opposite side to the disc wheel 6 at angle of 45 degrees to the longitudinal axis and at angle of from 10 degrees - 30 degrees with the horizontal axis providing a further resistance to the end thrust. The means for driving the shaft 2 is via sprocket chain drive in casing 3 and a shaft 27 from gear box 28 to which is supplied a drive from the stub-shaft 24 via universal joint 25 and shaft 29. The baffle plate 7 is hinged on to platform 8 and when lowered the edge 44 smooths over the tilled surface. Also on platform 8 is a soil control damper 43 adjustable by slot and bolt 43a, 43b. The leading edge of plate 9 is sharpened and a flat member 33 is provided to protect the ends of the spiral blade ; the member 33 is sharpened and both sharpened members serve to cut along the edge of the furrow. Wheel 5 may be adjusted through gearing 34, 35, 36 and lever 37. Wheel 4 is adjusted by rebolting plate 41 holding the bearing 12 in selected holes in plate 10.
Patent GB-138383-A (GB)
Title: Automatic alarm device for use with vacuum tube relays
IPC: H03F1/54
Filed: 1918-10-19
Abstract: 138,383. Latour, M. Oct. 4, 1917, [Convention date]. Automatic alarm signals.- The failure of a vacuum or ionized-gas relay 1 is indicated by means of an electro-magnet ij having a winding 4 in series with the filament and an opposing-winding 5 in shunt thereto. When applied to a number of relays, the current supplied to them is passed through the winding 4.
Patent GB-944894-A (GB)
Title: Internal combustion engine valve tappets and their manufacture
IPC: B21K1/20
Filed: 1962-05-04
Abstract: <PICT:0944894/C3/1> A valve tappet comprises a ferrous metal tubular body 10, Fig. 5, closed at one end 12 to form a base having a recessed portion surrounded by a peripheral ridge and a wear-resistant ferrous metal alloy coating 24 within the recess and fused to the base. The valve body is formed by upsetting or extrusion from a low carbon steel, e.g. containing carbon, manganese, phosphorous and sulphur or from a non-hardening stainless steel containing carbon and chromium.  The wear resistant alloy containing carbon, molybdenum, tungsten and silicon or in addition chromium is pressed into a briquette 32, Fig. 4, which may be sintered before the fusion operation.  A borax flux may be applied to the briquette or a calcium, aluminium or sodium flux is incorporated into the briquette material before forming.  An induction heating coil 22 fuses the metals in a nitrogen atmosphere to form a coating alloy and the carbon and silicon constituents diffuse into the valve tappet base metal to form a diffusion bond and a carburized layer 34 is formed to provide support for the coating. A cooling water jet 36 promotes directional solidification of the coating alloy outwardly from the interface between the cooling and the end face of the tappet.  The tappet may be subsequently carburized to provide a wear-resistant coating.
Patent GB-334284-A (GB)
Title: Improvements in or relating to couplings for hose pipes and the like
IPC: F16L33/32
Filed: 1929-06-04
Abstract: 334,284. Cadman, R., and Howson, R. G. June 4, 1929. Stuffing-box joints. - A yieldable ring 30 is compressed radially by pressure between two o opposed, parallel, radial faces on a nut 24 and a tubular union 14 having an enlarged end portion 17 and a smooth unstepped bore. To adapt the union to pipes of smaller size flanged sleeves 34, 36, Fig. 3, are employed. The flanges 38 may be shaped to prevent outward radial movement of the ring. Alternatively, a bush is screwed into the nut, and a washer is placed between the ring and the union. In a modification two rigid pipes 44 are joined by a flexible union 40, Fig. 4, and the nuts 24 compress the rings 30 against the ends of the pipes.
Patent GB-1387423-A (GB)
Title: Trimming slabs
IPC: B23D47/04
Filed: 1971-05-26
Abstract: 1387423 Milling machines TORVALE HOLDINGS Ltd 18 May 1972 [26 May 1971] 17210/71 Heading B3K [Also in Division B5]  A method of trimming a slab, e.g. of wood wool, comprises moving a pair of tool carriages each carrying at least one cutting tool along parallel spaced tracks in opposite directions to trim opposite edges of the slab. In a machine described for performing the method a slab is fed by a roller conveyer 14 on to spring-loaded ball-bearings 13 in a table 12 until it engages stops 17, 16. A clamp 19 is then lowered by a piston and cylinder device 22 and the stop 17 is also lowered. Carriages 30, only one of which is shown, are moved by lead screws 29 along spaced parallel guides 32 in opposite directions so that rotary cutters 34 carried thereby trim the opposite edges of a slab. Cutters 35 also on carriages 30 cut corner recesses in the slab near the limits of such movement. The clamp 19 is then raised, the slab rotated through 90 degrees and the other two edges of the slab then trimmed as for the first two edges. The cutter 34 may also form a rebate in the slab edge. The movement of the carriages, clamp, and stop 17 may be controlled by micro-switches and manual push-buttons in combination. A slot forming tool may also be carried by one or both of the carriages and be movable by pneumatic means into and out of the slab.
Patent GB-939139-A (GB)
Title: A.c. powered voltage regulating circuit
IPC: G05F1/46
Filed: 1962-05-04
Abstract: 939,139. Automatic regulation. AIRPAX ELECTRONICS Inc. May 4, 1962 [May 11, 1961], No. 17329/62. Class 38 (4). A voltage regulating circuit for supplying a reference current which flows through a resistor 13 and an ammeter 19, e.g. to oppose and bias the output of a frequency detecting circuit 17, comprises input terminals 1, 2 for connection to an A.C. supply, a transformer 3 connected to a Zener diode 10 over a half-wave rectifier 7 and a resistor 9, terminals 10a and 10b the direct voltage across which is maintained relatively constant by the shunt Zener diode 10, output terminals 14 and 15 connected respectively to terminal 10b over a resistor 11 and to terminal 10a, and a correction circuit which supplies a compensating current to the output terminals so that the output will not change with variations in the A.C. supply voltage. The correction circuit comprises a rectifier 6 and a resistor 8 connected across the secondary winding 5 of the transformer 3, a smoothing capacitor 18 and a circuit point 21 which is connected to terminal 14 by way of a resistor 12. The arrangement is such that an increase in the A.C. supply voltage which causes a small current change at the output terminal 14 also causes a compensating change in the current flowing through resistor 12 whereby the current flowing in the load 19, 13 is unchanged.
Patent GB-373448-A (GB)
Title: Improvements in composite tiles
IPC: E04F15/10
Filed: 1931-06-16
Abstract: 373,448. Composite tiles. HARRAP, E. R., 53, Brook Road, Chorltonville, and LATHAM, G., 6, Canterbury Road West, Croft's Bank Road, Davyhulme, both in Manchester. June 16, 1931, No. 17489. [Class 87 (i).] In making cork-faced tiles (1) granulated cork is treated with a solution of an adhesive such as resin, synthetic resin, rubber or rubber latex, with which a colouring medium may be incorpo ated, together with (in the case of rubber or latex) sulphur and, if desired, accelerators ; (2) the solvent is evaporated; and (3) the treated cork is moulded by heat and pressure on to a rigid base of asbestos-cement, concrete, stone, metal, &c. thus maturing the resin or vulcanizing the rubber. The union of the cork layer with the base may be assisted by an adhesive layer of synthetic resin. It is stated that when the tiles are laid on a floor their rigid bases minimize any tendency to " creeping."
Patent GB-248994-A (GB)
Title: Manufacture of artificial materials
IPC: D01F2/28
Filed: 1925-07-09
Abstract: 248,994. Lilienfield, L. May 30, 1925, [Convention date]. Addition to 231,806. Yarns &c., treating with liquids, gases, and vapours. - The process of the parent Specification for the finishing, sizing &c. of yarns &c. with alkyl, aryl and aralkyl substituted cellulose thiourethanes such as are prepared by the process described in Specification 231,801, [Class 2 (ii), Cellulose &c.], is modified by using as the agent for precipitating or coagulating the thiourethane, a strong acid, for instance, 25-65 per cent sulphuric acid, 45-70 per cent phosphoric acid, 20-35 per cent hydrochloric acid, and 70-100 per cent acetic acid. To the acid coagulating bath there may be added another precipitating agent such as acid, a neutral salt, for example, glauber salt, sodium bisulphite, ammonium sulphate or zinc sulphate, or an organic substance such as alcohol, acetine or glycerine, or a sugar such as glucose. The temperature of the bath may vary within wide limits; in the case of 50 per cent sulphuric acid, temperatures above or below room temperature may be employed, for example, from 30 C. to 0 C., or even lower, for example to -10 C. Specification 248,246, [Class 2 (ii), Cellulose &c.!, l, is referred to.