baber/WOPTO huggingface dataset:
Patent GB-462687-A (GB)
Title: Improvements relating to starting mechanisms for internal combustion engines
IPC: F02N15/06
Filed: 1935-09-13
Abstract: 462,687.. Turning-gear; stuffing-box substitutes. LUCAS, Ltd., J., and GOSSLING, C. E. Sept. 13, 1935, No. 25427. [Class 7 (v)] [Also in Group XXVI] In an engine starter in which a motor is connected through a gear train and a friction clutch c to a clutch member b having a claw a and advanced into engagement with an engine part by a screw connection d, the member b is embraced by a non-rotatable flexible friction device f which under the action of a spring g forms an oil seal, and also opposes rotation of the member b to cause it to advance axially under the action of the screw d. As shown in Fig. 1, the device f is a leather ring held by a spring garter g in contact with the cylindrical surface 'of the member b. The ring f is carried by a sheet metal annulus h held in position by a plate i. In a modification, Fig. 3, an annular flexible member k of leather or other material is held by a spring m in contact with a flange l on the member b.
Patent GB-1473958-A (GB)
Title: Cams for control of valves in internal combustion engines
IPC: F01L1/08
Filed: 1975-06-16
Abstract: 1473958 Cams MASCHINENFABRIK AUGSBURG-NURNBERG AG 16 June 1975 [20 June 1974] 25558/75 Heading F2K In an I.C. engine cam, for operating a valve via a flat-bottomed sliding tappet or flatbottomed follower against the force of a closing spring, the acceleration and deceleration regions are divided into a total of five phases I to V, without the necessity for symmetry, in which the acceleration phases (I and V) of the opening and closing flanks are determined by a fourier series of the third order, the phase II following the opening flank and the phase IV in the deceleration region before the closing flank yield an exactly constant gradient in the lubrication number curve (as defined in the Specification) and in phase III in the region of maximum deceleration a constant lubrication number (S) (as defined in the Specification) is obtained to which the cam lift Z is mathematically related, all five phases I to V being mathematically defined in the Specification.
Patent GB-1467605-A (GB)
Title: Seal assemblies
IPC: F16J15/16
Filed: 1975-06-16
Abstract: 1467605 Seals FLOW RESEARCH Inc 16 June 1975 25589/75 Heading F2B In sealing plunger 24 of, e.g. a high pressure intensifier, an elastomeric O ring 44 is maintained under axial compression, even at low fluid pressures, to exert radial pressure between surfaces 56 and 68 and thus prevent low pressure leakage at the interface underlying position 64 of ring 40. Ring 40 is of graphite or metal filled P.T.F.E. Ring 38 is of less yieldable polycarbonate. Ring 46 is of steel and ring 36 of Cu, Be alloy, so that it does not gall the surface 68.
Patent GB-334059-A (GB)
Title: Locknut
IPC: F16B39/282
Filed: 1929-08-22
Abstract: 334,059. Jõger, L. Aug. 22, 1929. Locking nuts. - A washer a has an inclined bore b containing a pin c of sufficient length to project slightly beyond each face of the washer. When the nut is turned in the direction of unscrewing, the pin, which is of slightly Less diameter than the bore, engages both the top of the work and the underface of the nut, and tends to rise into a more nearly vertical position. In a modification the pin is incorporated in the nut, the bore in this case not passing completely through the nut.
Patent GB-190799-A (GB)
Title: Improvements in or relating to drawing frames for cotton spinning and the like
IPC: D01H1/22
Filed: 1921-09-28
Abstract: 190,799. Basso, E. Sept. 28, 1921. Roller heads.-In a drawing frame in which the drawing action is distributed over two or more pairs of rollers, the intermediate roller 2 is driven by step-up gearing 4, 6, 7, 5 from the back roller 1, and the front is also driven from the back roller 3, by gearing 10, 11, 8, 9.
Patent GB-264562-A (GB)
Title: Steering gear for vehicles
IPC: B62D3/02
Filed: 1925-10-15
Abstract: 264,562. Hassig, E. Oct. 15, 1925. Non - reactive steering- mechanism ; gearing, screw- and-nut.-Relates to steering-gear in which an operating-shaft 1 has right- and left-handed screw threads 4, 3 respectively engaged by half-nuts 5, 6 actuating a cross-head 20 on a rocking shaft 21, and comprises gearing in which (1) the crosshead has radial slots 25 and is connected to each half-nut by a member 29 sliding in a slot and turning on a pin 27 fixed to the half-nut, and (2) the half-nuts bear against a bearing surface of the cross-head and also against surfaces 26, 19 of the gear housing to prevent side play and vibration of the parts. The cross-head slots 25 are shaped as cylindrical surfaces, as shown in section in Fig. 7, and the sliding members 29 are correspondingly shaped.
Patent GB-821045-A (GB)
Title: Improvements relating to vizors for motor-vehicle lamps
Inventor: HENSHALL ARTHUR HOWARD
IPC: B60Q1/50
Filed: 1955-09-09
Abstract: 821,045. Vizors for vehicle lamps. DESMO Ltd. Nov. 12, 1956 [Sept. 9, 1955], No. 25814/55. Class 75(4) [Also in Group XXXI] A vizor for motor vehicle lamps supports a device for indicating the limit of width of the vehicle at the side on which the lamp is fitted to a person in the driving seat. The vizor 5 is curved to fit the upper edge of the lamp and may be secured by means of a turned-up edge 6 clamped between the shell of the lamp and a sealed unit comprising reflector, bulb holder and lamp glass. It carries an extension 7 on which is secured a housing 11 containing a coil spring 13 pressing on the unrderside of a plate 15 bearing a rod 9 terminating in a knob 10, the rod passing through a sufficiently large aperture in the housing 11 to allow the rod to tilt if it receives a blow. A rubber washer 16 may be interposed between the plate 15 and the top of the housing. A flexible covering 17 may extend between the housing and the rod.
Patent GB-1330409-A (GB)
Title: Interface circuit for a pcm system
IPC: H04Q11/04
Filed: 1971-04-19
Abstract: 1330409 Automatic exchange systems INTERNATIONAL STANDARD ELECTRIC CORP 19 April 1971 [7 April 1970] 25847/71 Heading H4K An interface circuit between a plurality of analogue and digital transmission lines and a PCM transmission system e.g. a PCM, TDM telephone exchange, comprises a buffer store, a coder/decoder and a gating array in respect of the analogue lines and simply a gating array in respect of the digital lines, the gates in both arrays being controlled by a same circulating memory. Data on the PCM link is sent in time slots which may be allocated permanently or temporarily on-demand to the lines. Each slot contains n bits of which n1 may be used for message information and the remainder for line state, i.e. loop/unloop information in the incoming to exchange direction or line control information in the outgoing direction. The circulating memory is updated by commands transmitted over the PCM system in a dedicated time slot. D.C. or VF dialling signals may be transmitted over the analogue links.
Patent GB-1043852-A (GB)
Title: Improvements in or relating to phenothiazine compounds
Inventor: RENZ JANY
IPC: C07D417/06
Filed: 1963-07-01
Abstract: Compounds of the general formula <FORM:1043852/C2/1> wherein R1 and R2 each denote a C1- 4 alkyl group and their acid addition salts are prepared by cyclizing a diphenyl sulphide of the formula <FORM:1043852/C2/2> in which Hal denotes a halogen atom the diphenyl sulphide in turn being prepared by reacting a compound of the formula <FORM:1043852/C2/3> wherein R3 is H or C1- 4 acyl residue with a compound of the formula <FORM:1043852/C2/4> wherein Y is Cl or Br and hydrolytically splitting off any acyl radical present.
Patent GB-407395-A (GB)
Title: Improvements in or relating to hard metal compositions
IPC: C22C29/08
Filed: 1932-09-19
Abstract: A hard metal sintered composition contains about 55-93 per cent of tungsten carbide, 5-30 per cent of tantalum carbide, and 2-20 per cent of a binding metal of the iron group.  The finely powdered mixture of the constituents is pressed, subjected to a preliminary sintering, preferably in a neutral or reducing atmosphere, shaped as desired, and then subjected to a final sintering.  The mixture may be compacted during sintering.  The preliminary sintering may be omitted.  Reference has been directed by the Comptroller to Specification 376,912.
Patent GB-977995-A (GB)
Title: Improvements in or relating to dielectric heating apparatus
Inventor: WARD JOHN REGINALD GILBERT
IPC: H05B6/76
Filed: 1961-07-18
Abstract: 977,995. Dielectric heating apparatus. RADYNE Ltd. July 4, 1962 [July 18, 1961], No. 26013/61. Heading H5H. One of the electrodes of a dielectric heating apparatus forms part of an assembly movable from a loading to a work position, the assembly also including a contact device which extends all round the electrode and, when the latter is raised to the work position, makes resilient electrical connection with a fixed contact device connected to an earthed screen which extends around the work position, thereby completing an earthed screen which wholly encloses the work position. Material 30 to be heated is loaded upon the movable electrode 28 mounted on a tray 8 attached to the lower platen 29 of a press, the platen being then raised so that the upturned edge of the tray penetrates into channel 19 between spring contacts 20. Live electrode 23 is connected to the radio-frequency generator via strip 25, and capacitor plates 26 and 27, the spacing between which is adjustable to permit variation of the power input. An arrangement for feeding the load on to the lower electrode assembly is described (Fig. 1, not shown) in which the assembly includes a series of ceramic rollers on to which a metal plate carrying the load is slid. The apparatus is applicable to the curing of rubber and plastics, and the drying of wood pulp and refractory bricks.
Patent GB-679645-A (GB)
Title: Improvements in or relating to closure devices, water-tight doors and the like
IPC: F16J13/06
Filed: 1949-10-11
Abstract: 679,645. Covers for resisting fluid pressure. MOFFAT, R. P. Oct. 11, 1950 [Oct. 11, 1949], No. 26022/49. Class 123(i) A water-tight cover 18, for, for example, an opening in a lifeboat food storage tank defined by a frame 10, is of square &c. form and is secured in place by nuts 15 adapted to bear on the corners of the cover so that, after the nuts have been slackened, the cover must be rotated to remove same. The underfaces of the nuts are preferably tapered, and the tops of their associated studs 14, projecting from the frame 10, may be fianged over at 17 to prevent complete removal of said nuts. Water-tightness is secured by a gasket 21 which is located in a channel 20 on the inner face of the door and is engaged by a projecting rim 13 on the frame 10.
Patent GB-260242-A (GB)
Abstract: 260,242. Beaufour, H. Oct. 23, 1925, [Convention date]. No Patent granted (Sealing fee not paid). Vegetable albumens and caseins are extracted from cereals, seeds, oil nuts or the like or their oil cake by treatment after grinding with an aqueous solution of an alkali chloride, an alkaline earth chloride or an earth chloride, at a temperature below that of coagulation of the albumens or of the formation of clear starch. The solution may be treated with an alkali to precipitate inert substances from which it is separated and the albumens are then coagulated by means of an acid, a salt of copper, lead, or magnesium or by rennet. The albumens may also be obtained by coagulation by heat or by the addition of a large quantity of water. The albumens may be bleached by hydrogen peroxide &c. or treated with decolorizing agents before they are precipitated. Reference has been directed by the Comptroller to Specifications 25786/96, 30842/97, [both in Class 49, Food &c.]; and 9457/05, 17116/06, 121,141, and 147,513.
Patent GB-502828-A (GB)
Title: Improvements in machine tools for machining work of non-circular cross section, moreparticularly ingots
IPC: B23Q35/10
Filed: 1937-09-25
Abstract: 502,828. Lathes. DORIN, A. Sept. 25, 1937, No. 26041. Convention date, Oct. 1, 1936. [Class 83 (iii)] A lathe for turning ingots or like non-circular work pieces has the work 1 arranged on a vertical axis between centres 2, 3 and is turned by tools 5 guided by rollers 7 running on the rough surface of the work. The tools and guide rollers are mounted in holders 6 urged by springs and carried by slide rests 61 fed by screws 6<3>. The roller axes 12, 12 are inclined to the direction 4, 4 of longitudinal feed so that they may roll without slipping on the work. The tool axis is also inclined to the direction 4, 4 at an angle different from the inclination of the roller axis. If the cut is made in a downward direction, the upper roller comes into action to guide the tool after the lower roller has passed below the work. Specifications 404,454 and 469,674 are referred to. Tools-The tool consists of a hollow tube bevelled inwardly at the end to form a cutting edge. The Specification as open to inspection under Sect. 91 describes also means for holding and centring the lower end of the work and means for adjusting the upper dead centre. This forms the subject-matter of Specification 503,018, and does not appear in the Specification as accepted.
Patent GB-1346101-A (GB)
Title: Bar grate composed of longitudinal bar sections and transverse sections and a method of assembling the same
IPC: E04C2/42
Filed: 1971-04-19
Abstract: 1346101 Gratings O WYSS 19 April 1971 [2 April 1970] 26050/71 Heading D1K [Also in Division E1] A grating comprises a plurality of longitudinal bar sections 1 carried on transverse bar sections 2, the transverse bar sections having elastically flexible walls 7 movable into locking engagement with the longitudinal bar sections by wedge shaped key members 3 when the bolts 5 are tightened to secure the transverse bar sections 2 to transverse webs 4. Sections 2 have inter-fitting ends 4 so that they can be joined in a series. The grating may be provided with a frame. Sections 1 and 2 and webs 4 may be of light metal and members 3 of plastics. Otherwise some members may be of brass or all may be of plastics.
Patent GB-1433731-A (GB)
Title: Expandable sonar array
IPC: G01S3/801
Filed: 1974-06-12
Abstract: 1433731 Sonar arrays BENDIX CORP 12 June 1974 [12 Sept 1973] 26080/74 Heading H4J A sonar array to be successively lowered into and raised out of water by a cable 14 has a body 12 (Fig. 1) preferably a cylindrical housing, and hydrophone staves 16 attached to the outside of the body by parallel linkages 18. The members and linkages are preferably of sealed, hollow, light-weight metal so as to be buoyant. When the array is deployed to the desired depth the linkages 18 are caused to swing outwardly and the hydrophone staves 16 are vertically oriented. Each stave 16 carries a plurality (typically 4 or 5) axially arranged hydrophones (not shown) which are thereby arranged in a cylindrical array. Projector transducers 20 are attached to a weighted base 22 which drops from the lower end of the body 12. Each stave is in two sections and one section 16b (Fig. 3) is attached through gears 24 to the remainder of the stave so that it can fold 180 degrees against the body 12. The gears 24 may be replaced by a pulley and cable structure (not shown). A spring-loaded latch (26), Fig. 5a (not shown), including a lip (25a) holds the parallelogram linkages 18 against the body 12 when the array is being stored, lowered into the water or retracted. Electrical signals from the hydrophones are carried through the parallelogram linkages 18 to amplifiers and other electrical circuitry within the body 12. The cable 14 carries the signals to the projector transducers 20 and from the amplifiers and circuitry. The projector transducers 20 are interconnected electrically through a cable 21 and physically pulled out in an array along a tethering cord 23. Base 22 may contain a reeling mechanism for the cord 23. The sections 16a, 16b of the staves 16 have a "soft" latching structure including a ball (40), Figs. 6a, 6b (not shown), urged by a spring in section 16a unto a recess (42) in section 16b, e.g. to resist collapse of the structure through wave action or marine life.
Patent GB-976768-A (GB)
Title: Improvements in or relating to breathing apparatus
Inventor: PHILLIPS LEWIS RAYMOND
IPC: A62B7/06
Filed: 1962-07-07
Abstract: To facilitate renewal of carbon dioxide absorbing material, in a closed circuit breathing equipment, the material is held in a replaceable cartridge which is received in a canister forming part of the equipment and having a suitable closure lid to permit insertion of the cartridge.  The cartridge comprises a perforated, cylindrical casing 15 having a closed end 15a and a central, perforated tube 14. The absorbent material is packed into the annular space 9, sealed with a rubber annulus 18 and maintained under compression by a spring bearing against a cover plate 19. The cover 19 has a central boss which engages over the end of the tube 14.  The cartridge is retained in a casing 12 by an end plate 20, formed in one piece with a T-piece 8 connected to the exhalation tube 7, and which carries a sealing ring 20b.  The plate 20 is secured by a bayonet fitting and, by compressing the retaining spring, holds the cartridge against a sealing boss 17. The front end is sealed by an O-ring 8b and thus exhaled air from the tube 7 enters the tube 14, passes out radially through the absorbent material and through the perforations in the wall 15 to the interior of the casing 12 and finally through an aperture 11 to a chamber 2 which encloses a liquid oxygen evaporator 3.
Patent GB-1454898-A (GB)
Title: Water-insoluble monoazo dyestuffs inks
IPC: C09B29/42
Filed: 1973-06-01
Abstract: 1454898 Water-insoluble mono-azo dyestuffs from pyridone coupling components IMPERIAL CHEMICAL INDUSTRIES Ltd 8 April 1974 [1 June 1973] 26237/73 Addition to 1256093 Heading C4P Novel dyestuffs of the formula (one of the possible tautomeric forms) (wherein Z<SP>2</SP> is alkyl of at least 5 carbon atoms; X is Cl, Br or an esterified carboxyl group which does not contain an aromatic radical; n is 1 or 2; and the benzene ring may optionally be substituted in a position meta or para to the azo group by NO 2 , CN, Cl, Br, C 1-4  alkyl or alkoxy, phenoxy or optionally substituted sulphamoyl) are prepared by diazotization of appropriately substituted anilines and coupling with 1 - Z 2  - 3 - cyano - 4 - methyl - 6 - hydroxypyrid-2-ones. The dyestuffs are used to dye synthetic textile materials, in particular aromatic polyesters.
Patent GB-710247-A (GB)
Title: Improvements in or relating to active getter material
IPC: H01J7/18
Filed: 1952-10-20
Abstract: Barium is melted under an atmosphere of argon or other rare gas and a current of a mixture of a rare gas with a small proportion of nitrogen is passed through the melt.  The final product which may contain 0.5-2.5 per cent of nitrogen is used as active getter material.  The hydrogen content of the barium is reduced, the gas content of the barium comprising approximately 75 per cent. nitrogen and the remainder hydrogen.
Patent GB-1124342-A (GB)
Title: Improvements relating to pneumatic program controllers
Inventor: HAY CLAUDE HENRY
IPC: G05B19/44
Filed: 1965-06-22
Abstract: 1,124,342. Valves. BALDWIN FLUID POWER Ltd. 7 April, 1966 [22 June, 1965], No. 26281/65. Heading F2V. Each one of a number of doubleacting pneumatically - operated jacks 27, Fig. 2, is controlled by a separate three-way slide-valve 10 connected to a leaky double-acting piston 16, the ends of which are alternatively connected to holes 6 arranged in a pattern on a drum 1 or strip driven by an electric motor; the piston 16 is caused to reciprocate since the leakage is less than the rate of escape through any one of the holes 6. The valve 10 is made of P.T.F.E. and its seat of nylon loaded with molybdenum disulphide. The jacks 27 also actuate limit switches 28 whilst pegs on the drum 1 control micro-switches 29 and should a fault occur in the apparatus being controlled a switch 28 will not be operated before its associated micro-switch 29, whereupon a relay is energized to stop the drum motor and illuminate a warning lamp. A stand-by drum may be provided to take over the whole or part of the programme of the faulty one. In a modification, the drum 1, Fig. 4, is rotated stepwise by a pneumatic actuator and has two separate patterns of holes 6, 54; the holes 6 are connected to valves 10 similar to the three-way valves above but with manual over-ride push-rods 52, 53 secured to the ends of each piston 16. The holes 54 are connected to reference means 55 comprising leaky pistons 57, one end of each of which leads to the drum 1 whilst the other end is connected to a valve operated by the apparatus to be controlled; the piston moves a cam 65 which controls the actuator via an electric switch. The piston may be manually operated.
Patent GB-1432068-A (GB)
Title: Production of shaped fabric articles
IPC: B29C51/14
Filed: 1973-06-01
Abstract: 1432068 Sheet forming SALADINAG 1 June 1973 [12 June 1972 25 April 1973] 26357/73 Heading B5A Apparatus for shaping fabrics impregnated with thermoplastic or thermosetting resins to form, e.g., motor car carpets, comprises a gridlike tool 14 which pivots to force the fabric into a cavity 16, and has a tool 24 mounted thereon, for preforming a further operation, e.g. a cutter (25), Fig. 2 (not shown), to cut a hole in the carpet to accommodate a brake pedal. The cutter is operated by a power cylinder (28) controlled at an operating station 37. An ejector (30) pushes the waste material through a duct 20 after the cutting operation. The tool 14 is formed from tubular members which can be connected to a supply of heating, cooling, or chemical treatment medium. The cavity 16 can be formed with a surface having perforations connected with a source of suction. The tool 14 can carry a gas burner, resistance wire heater, or electrode high-frequency heater, for trimming, burning out, sealing or welding individual sections of the fabric together. The grid-like tool 14 can be mounted on the stationary part of the machine. Reference has been directed by the Comptroller to Specification 1,235,319.
Patent GB-394646-A (GB)
Title: Process for the production of alkali sulphates and sulphur
IPC: C01B17/06
Filed: 1931-09-23
Abstract: Alkali or ammonium sulphates and sulphur are obtained by heating the corresponding bisulphites with alkali thiosulphates in aqueous solution at a temperature of 100-200 DEG  C. in a closed vessel under the pressure set up spontaneously in the reaction vessel, or under higher pressure.  The alkali thiosulphate may be wholly or partially replaced by a mixture of normal alkali sulphite and sulphur and/or sulphuretted hydrogen, or substances capable of furnishing it under the operating conditions, e.g. carbon oxysulphide.  When employing sulphuretted hydrogen, temperatures as low as 80 DEG  C. may be employed.  When reacting the bisulphites with a mixture of normal sulphite and sulphur the initial addition of sulphur may be less than, but not less than one-tenth of, the amount theoretically required.  Examples are given.
Patent GB-1256347-A (GB)
Title: Post-maximally preaerated hydrocarbons
Inventor: NORTON CHARLES JOSEPH
IPC: C08F283/14
Filed: 1970-06-02
Abstract: 1,256,347. Preaerated hydrocarbons. MARATHON OIL CO. 2 June, 1970, No. 26676/70. Heading C5E. [Also in Divisions C2 and C3] Hydrocarbons containing at least one unsaturated bond and at least one allylic hydrogen atom are preaerated by contacting with an oxygen-containing gas until a maximum peroxide number is attained and thereafter further contacting the hydrocarbon with the oxygencontaining gas so as to decrease the peroxide number to not less than 25. Preferred hydrocarbons are C 3 -C 50  mono olefins containing only one allylic H atom. The preaeration may be carried out at 50-200‹ C. and 0À1-10,000 atmos. Examples describe the preaeration of hexadecene-1 and mixtures of C 15 -C 18  olefins. The preaerated hydrocarbons may be used as reactants in addition reactions with free-radical reagents such as phosphite and sulphites or as catalysts in polymerization reactions.