baber/WOPTO huggingface dataset:
Patent GB-731348-A (GB)
Title: Improvements in or relating to plain bearings
Inventor: TAIT WILLIAM HENRY
IPC: F16C33/12
Filed: 1951-08-03
Abstract: A plain bearing comprises a metallic supporting layer and a continuous surface layer of poly-tetra-fluoro-ethylene mechanically bonded thereto by hot pressing the poly-tetra-fluoro-ethylene into recesses in the supporting layer. The recesses may be produced by phosphating, etching, shot-blasting, grooving or sintering. Alternatively, the supporting layer consists of wire gauze brazed on to a steel or other backing.  The poly-tetra-fluoro-ethylene may be applied in the form of powder, tape or veneer, and the layer has a thickness of from 0.0003 to 0.005 inch.  Specifications 657,080, 657,085, [both in Group XXXIV], and 676,209, [Group II], are referred to.
Patent GB-403971-A (GB)
Title: Improvements in and relating to wristlets, bracelets and the like and to attachments therefor
IPC: A44C5/00
Filed: 1932-06-30
Abstract: 403,971. Attaching tickets &c. to wrist. SUTHERLAND, R., 3, Lombard Street, London. June 30, 1932, No. 18555. [Class 43.] An attachment for a wristlet, bracelet, or the like for carrying a ticket, docket, or the like, comprises a curved base plate b having bendable lugs c for attachment to the wristlet and a displaceable tongue e carried by the plate b, mechanical means being provided whereby the ticket can be engaged between the tongue and the plate b. The tongue may be hinged to the plate and pressed up by a spring rand the plate may be of U-shape and carry at its free end a lever h adapted to press down or release the tongue. The base plate may carry a rubber bed a or a serrated plate and either the tongue or the plate may have needle points or teeth f. The teeth may be adapted to be received in a depression in the member opposed to that whereon they are mounted. One end of the plate b may carry a clip for engaging the lug of a watch. The tongue may be pivoted to the base plate and fastened down by a press stud. In another form, the tongue is adapted to slide on the base plate and to be held thereon by clips.
Patent GB-584964-A (GB)
Title: Improvements in the spinning of artificial staple fibre
IPC: D01D5/26
Filed: 1944-09-28
Abstract: Artificial staple fibres are prepared by extruding a fibre-forming material into a setting medium, and moving a stream of fluid transversely across the filaments whilst they are still plastic to effect a reduction in strength at spaced points along the length of the filaments.  The filaments are thereafter subjected to tensile stress to break the same at the weakened points.  The weakened points may be spaced regularly or irregularly along the filaments.  In Fig. 1, the stream of fluid is ejected from nozzles 14 rotating about the filaments leaving the spinneret 1 so as to produce regularly spaced weakened positions as shown at 15 and 16.  The nozzles 14 are mounted on a ring member <PICT:0584964/IV/1> 5 which is rotated by the pinion 10.  To provide irregularly spaced weakened portions, a pair of elliptical gears may be used to drive the ring member 5.  The invention may be applied to the wet, dry, or melt spinning process, and the fibres may consist of regenerated cellulose, cellulose derivatives, polyvinyl resins, nylon or proteinaceous material such as casein.
Patent GB-212818-A (GB)
Title: Method of extracting tars and gases from bitumen-containing materials
IPC: C10B7/04
Filed: 1923-07-24
Abstract: 212,818. Kl÷tzer, M. July 24, 1923. Retort furnaces; air and gases, supplying.-Distillation products such as tars and gases are obtained from coal, peat and the like by passing the material in thin layers over a heated vibrating surface in a furnace chamber of great length. The fuel from a hopper 1 is delivered on to a hearth of saw tooth profile having inclined surfaces 7 and vertical edges 8, and is caused to travel over the surface of the hearth and is discharged into a shaft 18. The hearth is heated by gas burners 24 the combustion chambers 25 being supplied with cold air or cold exhaust gases through a pipe 26 to regulate the temperature.
Patent GB-1090064-A (GB)
Title: Process for the production of photographic images or printing plates
Inventor: HAYDN HILDEGARD
IPC: G03C5/315
Filed: 1965-05-05
Abstract: Compounds of formula A-NH-CR1R2-SO3M, wherein A is an optionally substituted o-or p-hydroxyphenyl-, o- or p-hydroxynaphthyl or p-amino-phenyl group or a salt thereof, R1 is a hydrogen, alkyl, aryl, cycloalkyl or heterocyclic radical, R2 is hydrogen, alkyl or phenyl radical (each of R1 and R2 when other than hydrogen may be substituted); and M is a cation (e.g. of H, Na, K) are prepared by reacting A-NH2 with sulphurous acid or sodium pyrosulphite and an aldehyde or ketone. The examples describe the preparation (1) of p-OH.C6H4.NH.CH2SO3Na from formaldehyde bisulphite and p-aminophenol; and (2) of the corresponding p-hydroxy m-methyl compound from 1 - hydroxy - 5 - amino - toluene, Na2S2O5 and formalin.  Other compounds are listed.
Patent GB-790901-A (GB)
Title: Improvements relating to thermostats or other temperature responsive control devices
Inventor: PANISSET DENIS SYDNEY
IPC: H05B1/02
Filed: 1954-06-29
Abstract: 790,901. Electric immersion heaters. SIMPLEX ELECTRIC CO., Ltd. June 28, 1955 [June 29, 1954], No. 18980/54. Class 39(3) [Also in Group XXXVII] A thermostatically controlled electric immersion heater is provided with a sheath for the thermostat formed from tubular sections 16, 19 of different diameters so that either a co-axial tube- and-rod type thermostat or a bimetallic strip type thermostat may be used. As shown a co-axial thermostat 17 extends downwards and is closely surrounded by the narrow lower tube 19. In Fig. 2 (not shown) a wider bimetallic strip is disposed in the larger tube 16. A heating element 14 is disposed closely adjacent the thermostat. Various methods of forming the sheath are described.
Patent GB-357579-A (GB)
Title: Improvements in and relating to life boats
IPC: B63C9/02
Filed: 1930-06-21
Abstract: 357,579. Lifeboats; fenders. SCHAT, A. P., 66, Hendrik de Keijserstraat, Utrecht, Holland. June 21, 1930, No. 19008. [Classes 113 (i), 113 (ii), and 115.] To facilitate the lowering of ship's lifeboats over the side, the boats are formed with athwart ship projecting structural ribs 3 .. 6 which are lined up to the boats lines by triangular blocks 13 .. 16, the boats being internally stiffened by transverse structures 17, 18. The boats are held in position on inclined chocks 24 by cradles 19 releasably held by the lashing 25. The cradles which are provided with rollers running on the chocks are secured to the boat by cords 30. Specifications 252,014, 255,727, 257,300, 259,148, [all in Class 115, Ships &c., Rigging &c. for], and 347,750 are referred to.
Patent GB-1078627-A (GB)
Title: Device for steering track-laying vehicles
IPC: B62D11/18
Filed: 1965-05-05
Abstract: 1,078,627. Steering endless-track vehicles. BOFORS A.B. May 5, 1965 [May 6, 1964], No. 19012/65. Heading B7H. In steering mechanism for an endless-track vehicle having a drive wheel for each track connected through a transmission system to a primary drive from the vehicle engine, a secondary drive applied to the transmission system to vary the relative speeds of the drive wheels is derived through a continuously-variable hydrostatic gear actuated by a servomotor controlled from a manual control member. Each drive wheel 4, 5 is driven by a planetary gear train 12, 13 having a primary input through a shaft 11 driven from the vehicle engine 6, and a secondary input through one of shafts 15, 16 oppositely driven from the engine 6 through hydrostatic gearing comprising a motor 23B supplied from a variable output pump 23A adjusted by a servo-cylinder 39 controlled by a valve 36 linked to a steering control member 27. The valve 36 includes a spool (Fig. 4, not shown) displaced by linkage 32-35 connected to the control member 27 through mechanism 31 including a follower (48 in Fig. 3, not shown) engaging a cam groove (47) which is formed in a plate (46) rotatable or slidable by actuating the member 27 and is shaped to provide a low steering ratio at low angles of steer. The servo-cylinder 39 contains a piston (53) connected to the adjustable member of the pump 23A and by a feedback linkage 40-43 to a sleeve (57) around the spool (58). The primary drive shaft 11 is provided with brakes 14 and is driven from the engine 6 through a gear-box 8. In another embodiment (Figs. 8, 9, 10, not shown) the servo-cylinder together with the control valve housing is slidable on a stationary piston.
Patent GB-973514-A (GB)
Title: Lubricating systems for refrigerant compressors
IPC: F25B31/00
Filed: 1962-05-17
Abstract: 973,514. Lubricating. YORK SHIPLEY Ltd. May 17, 1962 [May 19, 1961], No. 19065/62. Heading F2A. [Also in Division F1] A refrigerant compressor 10, Fig. 1, comprises a pair of pistons 25, 26 which are reciprocated within cylinders 21, 22 by rotation of a shaft 27 mounted in bearings 17 and 19 and driven by an electric motor 43, the shaft 27 having an axial bore 35 and radial ports 36 through which lubrication oil is supplied to the bearings 17 and 19 from a sump 54, the shaft being provided adjacent the upper bearing 19 with blind lubricant-collection chambers 50, 51, Fig. 3, from which collected oil will flow due to centrifugal force immediately the compressor is started thus ensuring substantially instantaneous delivery of oil to the upper bearing 19. The pistons 25, 26 are driven by eccentrics 28, 29 on the shaft 27 through connecting rods 30, 31, the latter having passages 37, 38 therein, through which oil is delivered to wrist pins 32. The lower end of the shaft 27 is provided with a plurality of passages 39 in communication with the sump 54 and a chamber 16; upon rotation of the shaft oil flows through the passages 39 to the chamber 16 due to centrifugal force, the oil thereafter passing from the chamber 16 to the axial bore 35 through a further plurality of passages 42 in the shaft. The shaft 27 may be a crank-shaft instead of being provided with eccentrics.
Patent GB-958623-A (GB)
Title: Vulcanization of elastomers with halomethane sulfonyl chlorides
IPC: C08K5/42
Filed: 1962-05-17
Abstract: An amorphous ethylene/alpha-olefin copolymer is cured using a halomethane sulphonyl chloride as curing agent. The alpha-olefin may be propylene, butene or pentene and the preferred curing agent is trichloromethane sulphonyl chloride.  Optional ingredients are sulphur, dicumyl peroxide, carbon black, clay, whiting, calcium stearate; carbonates, oxides, sulphides, nitrates, phosphates, sulphates and organic acid salts of Zn, Ca, Mg, Pb, Al, Si, V, Ti, Ba, Fe, Sb and Cd; and other rubbers such as butadiene/acrylonitrile copolymer, butadiene/styrene copolmer, polybutadiene and neoprene.
Patent GB-666616-A (GB)
Title: Improvements in the manufacture of thiophosphates
IPC: C07F9/20
Filed: 1949-07-22
Abstract: A thiophosphate of formula <FORM:0666616/IV (b)/1> where R is a lower alkyl group is prepared by heating thiophosphoryl chloride with a lower alkanol in the presence of a halogenated aliphatic hydrocarbon of boiling-point of from 30 DEG  to 65 DEG  C. as solvent.  Many halogenated solvents, including bromides and iodides, are specified; the preferred one is tert.-butyl chloride.  The reaction is preferably conducted in presence of isobutylene to combine with the liberated hydrogen chloride and also form more of the preferred solvent.  Examples are given of the preparation of O-ethyl and O-n-butyl dichlorothiophosphates using various solvents.  The Specification as open to inspection under Sect. 91 comprises the additional reaction of treating the O-alkyl dichlorothiophosphate with an alkali metal alcoholate of a lower alkanol R1OH to react with one of the chlorine atoms, and further treating the product with an alkali metal p-nitrophenolate to give <FORM:0666616/IV (b)/2> Seven examples of this process are given.  This subject-matter does not appear in the Specification as accepted.
Patent GB-934953-A (GB)
Title: Improvements in or relating to timepiece balance spring collets
IPC: G04B17/34
Filed: 1962-05-18
Abstract: 934,953. Clocks and watches. GREINER ELECTRONIC A.G. May 18, 1962 [Dec. 19, 1961], No. 19329/62. Class 139. A balance spring collet has two wings each with dovetailed grooves 5 and each notched at 8 and 12 to provide a neck 13 which is deformed under pressure to grip the balance spring.
Patent GB-1505589-A (GB)
Title: Apparatus for use in blood transfusion
IPC: B01D35/00
Filed: 1975-05-20
Abstract: 1505589 Blood filters JOHNSON & JOHNSON and PUROLATOR INC 20 May 1975 [28 May 1974] 19340/77 Divided out of 1505588 Heading BID The description is substantially the same as Parent Specification but the claims are directed to apparatus for use in blood transfusion which essentially includes air valve 17 in the side wall of drip chamber 13, the valve 17 including air filter 22.
Patent GB-198256-A (GB)
Title: Improvements in or connected with tines for side delivery rakes and swath turners
IPC: B21D53/26
Filed: 1922-07-14
Abstract: 198,256. Martin, W. E. July 14, 1922. Haymaking.-Rigid tines b formed of strips of flat metal are secured to the rake-heads a of sidedelivery rakes and swath-turners by clips that are adapted to yield under exceptional stress. Each clip is formed on its front face with one long or two short lugs c to fit in front of the rake-head a. The clip is normally held against the rake-head by a spring e surrounding a bolt d which passes through apertures in the clip and the rake-head, 'but may yield as shown in Fig. 3, the aperture in the clip being cut away at c<1> to permit such yielding. The tine b is preferably formed with a projection g that engages in a recess in the clip. A shield f prevents hay from entering the clip. In a modification, the bolts d secure the tanas and the clips to a bar attached to the rake-head, thus permitting several tines to be removed together. Specification 197,531 is referred to.
Patent GB-1033568-A (GB)
Title: Fire alarms
IPC: G08B17/06
Filed: 1965-05-07
Abstract: 1,033,568. Electric cells. ELECTRONIC ASSISTANCE CORPORATION. May 7, 1965 [May 11, 1964], No. 19399/65. Heading H1B. [Also in Division G4] Abnormal temperature conditions result in container 28 rupturing allowing electrolyte to fall into the lower part of a zinc casing 10 and immerse a carbon electrode 20 to form an electric cell. A suitable electrolyte comprises: chromic acid, 100 parts by weight; sulphuric acid, 25À5 parts by weight; water, 100 parts by weight; copper sulphate, 1 part by weight.
Patent GB-427301-A (GB)
Title: Improvements in or relating to wheel rims
IPC: B60B21/02
Filed: 1933-07-08
Abstract: 427,301. Wheel rims. BUDD WHEEL CO., 2500, Hunting Park Avenue, Philadelphia, U.S.A.-(Assignees of Eksergian, C. L. ; 12141, Charlevoix Avenue, Detroit, Michigan, U.S.A.) July 8, 1933, No. 19424. Void [Abridged as open to inspection under Sect. 91 at the Acts, Jan. 10, 1934]. [Class 144 (ii)] A light-weight, double-walled, well-base rim comprises a channel-section member 8 and two angled rings 15, 19, with lapped edges forming hollow tyre-retaining beads 7, the rings 15, 19 bracing the angles between the beads and the bottom of the rim-well. The latter is provided with struck-up ribs 12 which interengage with spaced and interrupted corrugations 23 on the inner part of the ring 19. The rim-parts are welded together as indicated at 22, 25. In a modification, the ribs &c. 12, 23 are omitted and the rim is braced by channel-section webs bridging the space between, and welded to, the rim-parts.
Patent GB-613738-A (GB)
Title: Toggle-spring electric switch
IPC: H01H37/60
Filed: 1946-06-28
Abstract: 613,738. Snap-action switches. LANDIS & GYR SOC. ANON. June 28, 1946, No. 19454. Convention date, July 11, 1945. [Class 38 (v)] [Also in Group XXXII] A snap-action switch controlled by a thermally-actuated rod 9, has an annular spring member 1 with knife-edged ends 2, 4, which bear under stress against, respectively, a fixed abutment 3 and the movable abutment 5 of a lever 7 mounted on a support 6 and provided with a reduced section 8. When the rod 9 moves down from the position shown, the spring 1 passes through a dead-centre position, thereby breaking contacts 16 and bridging contacts 17. The rod 9 may be fixed to the lever 7 or the lever may bear by its resilience against the end of the rod. Fig. 2 shows an alternative tubular contact 23 fitted on an insulating tube 22 on a circular-section spring 21. The spring may alternatively be bent into an oval or rectangular shape, and be given an initial set so as to lie in one of the two contact positions.
Patent GB-223980-A (GB)
Title: Improvements in or relating to internal combustion engines
IPC: F01L5/10
Filed: 1923-07-31
Abstract: 223,980. Ricardo, H. R. July 31, 1923. Valves; valve gear.-In a water-cooled engine in which a cylinder liner C is disposed within an extension A<1> of the crank case A, three inlet and two exhaust ports in the upper part of the cylinder are controlled by the sleeve valve G, which is driven through a self-aligning bearing J with a combined reciprocating and oscillating movement. At the end of the suction stroke, a port Q<1> in the liner is uncovered both by the piston and sleeve valve, and a supplementary charge of air or air and gas is either drawn or forced into the cylinder through this port.
Patent GB-239347-A (GB)
Title: Improvements in starters for automobile eingines
IPC: F02N11/08
Filed: 1924-08-19
Abstract: 239,347. Hansen, A. G. K. Aug. 19, 1924. Turning-gear.-In an electric starter. the circuit 2 of the starting motor 7 cannot be closed unless the ignition is retarded, a contact 3 in the motor circuit then being engaged by a contact arm 4 on a rock-shaft 5 forming part of the timing mechanism. The contact arm of a switch 16 in the circuit 2 may be removed in order to prevent unauthorized starting.
Patent GB-644244-A (GB)
Title: Improvements in or relating to turf-piercing machines
IPC: E21C49/00
Filed: 1948-07-23
Abstract: 644,244. Turf-piercing machines. HARGREAVES & CO., Ltd., W., and HARGREAVES, W. July 23, 1948, No. 19679. [Class 6(i)] Spiked turf-piercing rollers are enclosed; for transport and like purposes, in a cylindical cover, one or more segments of which may be removed for turf-piercing use. The complementary removable part h to the half-cylinder c fixed to the frame is provided with legs h<SP>1</SP> which engage in staples in the frame. During use they may be replaced by legs i<SP>2</SP> carrying small rollers i whereby the depth of penetration of the spikes may be limited. Attached to the handle is a push-rod e engageable in an opening in the half-cylinder C; handle d may then be used to invert the part c and permit replacement of the wheels i, i, by the other half-cylinder. Segmental tanks for sand &c. may be fixed inside the halfcylinders. The spiked rollers may be made of side-discs spaced peripherally by bolts on which are threaded renewable spikes and spacing sleeves.
Patent GB-1067067-A (GB)
Title: Static induction regulator
IPC: G05F1/38
Filed: 1964-05-12
Abstract: 1,067,067. Transformers. STABILAC PTY. Ltd. May 12,1964 [May 21, 1963], No. 19752/64. Heading HIT. [Also in Division H3] In a static induction regulator comprising two saturable transformers provided with input power windings in series across an A.C. power line and output power windings in series opposition with each other, even harmonic feedback windings shunted by rectifying elements are provided on each transformer and control currents are applied to control windings on each transformer in such sense that as the output voltage from one transformer increases the output voltage from the other transformer decreases. In the arrangement of Fig. 1 (not shown) and Fig. 2, each transformer has a divided or separate pair of flux paths 6A, 6B and 11A, 11B respectively and the input power windings 3A, 3B, 3C, 3D and 8A, 8B, 8C, 8D are wound in four sections to form a parallel arrangement on each transformer, the two parallel arrangements being connected in series. Rectifiers (7), (12) are connected between points on the two input power windings 3, 8 respectively of equal potential with respect to fundamental frequencies and odd order harmonics so as to form even harmonic feedback windings. By applying appropriate control currents to control windings 5A, 5B and 10A, 10B the sum of the individual input winding saturation voltages is made equal to or slightly lower than the line voltage and as a result of the constant voltage characteristics of each transformer the voltage across each will be equal to the line voltage. An alternative arrangement of windings on the saturable transformers is as in Fig. 7 (not shown), wherein input power windings (3), (8) and output windings (4), (9) are wound on the centre legs of two shell type lamination structures and the control windings (5A), (5B) and (10A), (10B) are wound on the outer legs and are shunted by rectifiers to act as even harmonic feedback windings. Separate control and even harmonic feedback windings may be used.
Patent GB-355430-A (GB)
Title: Process of treating asphalts
IPC: B64C11/04
Filed: 1930-06-30
Abstract: Paints or enamels are prepared from natural or artificial asphalts treated in the molten condition with such siccative substances as heavy metal resinates, naphthenates, sulphonates, linoleates or mixtures thereof with alkali or alkaline-earth salts.  The proportion is preferably from 3-10 per cent.  In an example an enamel is prepared from a mixture of 75 per cent of Miri asphalt treated with 3,5-4 per cent of manganese resinate and 25 per cent of mineral oil of turpentine.ALSO:Asphalts are treated in the molten condition with such siccative substances as heavy metal resinates, naphthenates, sulphonates, linoleates or mixtures thereof with alkali or alkalineearth salts.  The proportion is preferably from 3 to 10 per cent.  The term asphalts includes all those solid or semi-solid bituminous substances occurring naturally or obtained artificially by the treatment of mineral oils.  The products may be used in the production of paints or enamels.  In an example Miri asphalt is treated while molten with 3,5 to 4 per cent of manganese resinate.  A mixture of 75 per cent of the product with 25 per cent of mineral oil of turpentine yields an enamel.
Patent GB-1309447-A (GB)
Title: Line spacing apparatus for a recording carrier in typewriting or  printing office machines
IPC: B41J11/44
Filed: 1970-04-24
Abstract: 1309447 Typewriters &c RUTISHAUSER AG Gebr 24 April 1970 [25 April 1969] 19872/70 Heading B6F Line spacing, Fig. 7.-The drive mechanism includes a motor 10, a slipping clutch 8, a pair of opposed ratchet wheels 12, 13, and a pulse emitter 28 in the form of a perforated disc 29, a light source 30 and a photodiode 31. The pawls 18 and 19 for the ratchet wheels are operated by an electromagnet 20. Electric switches 23, 24, situated in the motor circuit, are associated with each pawl. Line feed movement is initiated either by a key or by an electronic computer or a programmer. In addition, control could be effected by a magnetic tape or punched tape. Energization of electromagnet 20 causes switches 23, 24 to be closed, the pawls to release the ratchets 12, 13 and the motor 10 to drive shaft 11, which in turn drives feed rollers (5, Fig. 1) or pin bonds (7, Fig. 2). At the same time, pulse emitter 28 transmits current pulses to the computer or programmer. After a predetermined number of pulses, the electromagnet is deenergized, but the switches 23 and 24 only open when their respective pawls 18 and 19 drop into their locking positions. By having the ratchets opposed, forward and reverse motion is pre. vented. With a ledger sheet feed (Fig. 1), a magnetic stripe or band is provided on the edge of the ledger sheet, and a magnetic marking corresponding to the last entry line, e.g. the number of lines of entry so far been made, is recorded on the magnetic stripe or band to be detected at a later insertion.