baber/WOPTO huggingface dataset:
Patent GB-327528-A (GB)
Title: Improvements in furniture
IPC: A47B83/04
Filed: 1929-02-28
Abstract: 327,528. Cinnamon, J. Feb. 28, 1929. No Patent granted (Sealing, fee not paid). Cabinets and chests of drawers. - Beneath a table-top d is housed a cupboard f, h or drawers g, or both, extending from the table top to very near the floor level, and of horizontal dimensions smaller than that of the table so that persons sitting round the table may have their knees beneath the overhanging part of the top. Preferably the cupboard &c. is mounted on a stiffening- frame a, b.
Patent GB-326334-A (GB)
Title: Improvements relating to electron discharge tubes or thermionic valves
IPC: H01J9/04
Filed: 1929-02-28
Abstract: 326,334. Mullard Radio Valve Co., Ltd., and Krol, B. Feb. 28, 1929. Vacuum tubes. - Thermionic cathodes or heaters of equipotential cathodes are formed by binding together a bundle of parallel fine tungsten wires by a wrapping of fine tungsten wire. A bundle of five wires may be held together by a close helical wrapping, the wires and wrapping being copper plated before assembly and oxidized before or after assembly. A coating of alkalineearth metal oxide may be produced as in Specification 274,233 by vaporizing the metal on to the cathode. The final heating of the filament to produce a satisfactory coating is sufficient to remove occluded gases, which are absorbed by magnesium or other getter. The copper plating may be omitted, the tungsten being oxidized.
Patent GB-449863-A (GB)
Title: Improvements in small synchronous motors
IPC: H02K7/118
Filed: 1936-03-06
Abstract: 449,863. Alternating-current motors. HORSTMANN, K. J., and HORSTMANN GEAR CO., Ltd., Newbridge Works, Bath. March 6, 1936, No. 6795. [Class 35] To ensure unidirectional rotation of a small synchronous motor, a pawl is pivoted to the motor frame so as to be displaced out of the path of a tooth carried by the rotary member when the rotor is rotating in one direction, the pawl being cammed so that the tooth restores it into the path of the tooth. In the form shown, the pivoted member 9 has a projection or projections 11 which prevents anticlockwise rotation of the motor shaft 4 but which the tooth 7 can pass in the other direction. The rotor consists of a bar magnet with toothed ends which are bent over parallel to the shaft.
Patent GB-251062-A (GB)
Title: Improvements in or relating to packing devices
IPC: B65D85/68
Filed: 1925-03-13
Abstract: 251,062. Stevens & Co. (1914), Ltd., A. J., and Hayward, C. W. March 13, 1925. Wrappers. - A cover or wrapper for cycles comprises a main portion 1 which covers the portion of the cycle behind the front fork, and a flap 10, 14 fixed thereto and adapted to pass over the handle bars and the front mudguard. The cover is formed of an outer layer of waterproof fabric, and an inner layer of strong calico, preferably holding between them a layer of felt or like padding. The main portion 1 is fastened at 20 behind the front mudguard and is provided with extra padding 5 to protect the tank.. The rear portion 2, 3 is padded and shaped to fit the carrier and rear mudguard. A strap 16 encircles the central portion. The front portion is sufficiently loose to enable the cycle to be steered.
Patent GB-330270-A (GB)
Title: Improvements in or relating to devices for distributing air or other gases
IPC: F24F13/062
Filed: 1929-03-04
Abstract: 330,270. Anemostat, Ltd., and Hirchberg, L. M. March 4, 1929. Ventilators. - Apparatus for distributing air gases or vapours, e.g. at the air entry and exit of a dust settling chamber, comprises smooth coaxial partitions as in Specification 283,258, one. or more of which comprise pivotally mounted vanes adapted to form with the remainder of the partition a continuous surface, and to tilt when dust is deposited, and throw the dust off. The outer partitions 11, 12 are wholly fixed; the intermediate partitions are, each composed of aluminium &c. octants grooved to receive and be clipped to rods 16 pivotally mounted in stays 18 so that the octants normally remain balanced at the desired angle. Dust deposited on the movable partitions causes them to tilt and deposit the dust in the chamber.
Patent GB-497087-A (GB)
Title: Improvements in and relating to apparatus for producing ground and polished glass strip
IPC: B24B7/24
Filed: 1937-03-10
Abstract: 497,087. Fluid-pressure servomotorcontrol systems. PILKINGTON BROS., Ltd., WALDRON, F. B., and SLOCOMBE, F. E. March 10, 1937, No. 7099. [Class 135] [Also in Groups XXIII, XXXV, and XL] In apparatus for producing ground and polished glass strip wherein glass 1 from a tank 2 is rolled at 3, passes on a roller bed 5 through a lehr 6, and thence is passed by rollers 9 between grinding and polishing tools 7, 8 operating on both faces of the glass, means are provided for indicating the position of the centre line of the strip at or near the grinding apparatus, when the strip is of variable width, and means also are provided, dependent on the indications, for bringing approximately together the centre line of the strip and the centres of the tools. The indicating means may take the form of a V-groove 11 rolled in the plastic strip by a roller 10 or one of the rollers 3, and the strip is moved to keep it central, by rollers 24 engaging opposite edges of the strip and each actuated by a piston in a cylinder 22 to which fluid or steam is supplied by a pipe 26 from a valve box 20. The operating arm 19 of the valve box is actuated by movement of a roller 12 engaging the groove 11 at a point in or near the grinding apparatus, and carried by the arm 13 of a lever pivoted at 14 to a, lever 15 pivoted at 16, the roller being held in the groove by a spring 21 and the arm 17 of the first lever engaging the arm 19. In a modification, instead of the groove 11, a band or bands 27 of opaque paint &c. may be applied to the strip, and each serving normally to shield a light-sensitive cell 28 from a light source 29, but, when the band moves to one side, allowing the light to fall on the cell, and thereby, through relays 30, 31 to operate a solenoid 33 to move the valve arm 19. In a further modification, the edges of the strip are each engaged by a roller carried by a pivoted arm, the arms being connected respectively to the ends of a lever pivoted at its centre to a lever engaging the valve arm 19 ; variations of width only of the strip then cause no movement thereof, whereas movements of the centre line cause actuation of the valve. The indicating &c. means described above may be used in connection with the apparatus described in Specification 497,088, [Group XXIII], instead of the feeler therein described to move the grinding &c. tools, instead of the strip, to bring together the centre line of the strip and the centres of the tools.
Patent GB-882933-A (GB)
Title: Improvements in or relating to mine roof supports
IPC: E21D17/02
Filed: 1958-03-05
Abstract: 882,933. Mine roof supports. HOESCH WERKE A.G. March 5, 1958 [April 20, 1957], No. 7124/58. Class 20(2) A mine roof cap 3 contains an advancing cantilever beam 1, to either side of which are welded bolts 6 for sliding along straight guides 5 welded inside the cap 3 as the beam 1 is advanced by a hydraulic ram 9. Towards the end of its extension the beam 1 is braced against the roof and locked by the interaction of wedges 2, 4 on the beam 1 and in the cap 3.
Patent GB-1153555-A (GB)
Title: Preparation of a Sulphur-Containing Pyridine Derivative
Inventor: SCHORRE GUSTAV
IPC: C07D213/66
Filed: 1968-02-13
Abstract: 1,153,555. Sulphur pyridine derivative. E. MERCK A.G. 13 Feb., 1968 [25 March, 1967], No. 7125/68. Heading C2C. A process for the preparation of compound I herein and its salts, which comprises treating a compound of the Formula II in which R 1  and R 2 , which may be the same or different, are hydrogen or acyl groups or together form the divalent radical R 3  and R 4 , which may be the same or different, are hydrogen or alkyl groups containing up to 5 carbon atoms or together form an alkylidene group containing up to 5 carbon atoms or, together with the carbon atoms to which they are attached, form a 5- or 6-membered hydrocarbon ring, and m is an alkali metal, with an acidic medium and then adjusting the reaction mixture to a neutral, weakly acidic or weakly alkaline pH and, if desired, converting the product of Formula I obtained to an acid addition or quaternary ammonium salt thereof.
Patent GB-243215-A (GB)
Title: Improvements relating to combs in textile combing machines
IPC: D01H5/14
Filed: 1925-03-17
Abstract: 243,215. Nasmith, J. W. March 17, 1925. Combs.-The needles are cylindrical for a part c of their length and for the remainder d conical. The needles are attached to the blade b in the usual manner and are stouter than usual.
Patent GB-779299-A (GB)
Title: Process for the production of dimethyl terephthalate
IPC: C07C69/82
Filed: 1956-03-07
Abstract: Dimethyl terephthalate is obtained by spraying terephthalic acid powder and methanol in a finely divided liquid or gaseous form into a reaction vessel heated to 100-350 DEG  C.  Powdered terephthalic acid may be sprayed into the reaction chamber by means of an inert gas, whilst liquid or gaseous methanol is fed into the reaction chamber, through either a second nozzle or supply pipe.  The dimethyl ester is deposited at the lower end of the chamber and excess methanol and the inert gas are recycled through the chamber.  Catalysts such as boron phosphate, phosphoric acid or gaseous hydrogen chloride are used to facilitate the reaction.  The reaction components can also be fed simultaneously through a single supply device if a suspension is formed.  Catalysts can be added to the suspension prior to spraying taking place, or in the case of hydrogen chloride together with the gaseous methanol through the same or separate pipe.  A suitable reaction vessel is a tube about 300 cm. long with diameter about 40 cm.  The nozzles or pipes are then adjusted to give a whirling motion in order to achieve complete mixing.
Patent GB-1180582-A (GB)
Title: Cabin Air Flow Control System
Inventor: TOWNSEND RICHARD WARREN
IPC: B64D13/02
Filed: 1967-02-15
Abstract: 1,180,582. Jet pumps. GARRETT CORP. Feb.15, 1967 [Feb.15, 1966], No.7328/67. Heading F1E. [Also in Divisions F4 and G3] A main duct leading to an aircraft cabin receives air from low and high-pressure stages of the aircraft engine via ducts 11, 12 respectively, the arrangement being such that, when the lowpressure supply proves inadequate, a valve member 24 admits high-pressure air to the main duct to augment the flow of low-pressure air by creating an ejector effect in region 22. Valve member 24 is controlled by pilot valve 53 in response to the pressure drop across a butterfly valve (25) in the main duct, valve (25) being located downstream of a Venturi (18) having an inlet 20. The pilot valve also responds to rapid fluctuations in engine operation and includes a spool 56 which controls the pressure in singleacting servomotor 47 the piston 46 of which is connected to member 24. The annular areas of piston 46 and member 24 are equal. For further details of the ventilation system see Division G2-3.
Patent GB-164161-A (GB)
Title: Improvements relating to marine propulsion
IPC: B63H23/24
Filed: 1920-03-11
Abstract: 164,161. Juhlin, G. A., Miller, L., and Metropolitan-Vickers Electrical Co., Ltd. March 11, 1920. Dynamos and motors combined for transmitting power.-Power transmission sets comprising prime-movers, electric generators, and motors, for propelling ships, are provided with arrangements for inserting resistance in the generatormotor circuit when connections are changed over from forward to reverse running or vice versa, the object being to absorb electric energy produced by the motors temporarily functioning as generators and thus prevent racing of the prime movers. Fig. 3 shows the disposition of resistances and interlocking contactors for carrying the invention into effect. A master reversing switch 64 connected to the exciter machine 57 controls the whole sequence of operations. In moving from the full line to the dotted line position for the purpose of diverting control current, previously supplied to a forward contactor magnet 93 into a reversing contactor magnet 94, the switch arm passes over contacts 66 connected to a trip winding 63 of a contactor 61 which opens and puts a resistance 60 into the generator-motor circuit 70. Irrespective of the continued movement of the switch arm 64 into its full reversing positions, the protective action is prolonged, until safe current conditions are reached, by an arrangement of interlocking contactors 71, 84, 96, of which 71 responds to the rise of potential across the terminals of the resistance 60, 84 is controlled by 71, and 96 responds to overload in the exciter circuit. When these relays have closed, control current is supplied to a winding 81 which brings into action a closing winding 62 of the resistance contactor 61. Time lags are introduced by a retarded relay 78a controlling a latching-out winding 79 of the contactor 71, and also by a retardation of the relay 84.
Patent GB-1047672-A (GB)
Title: Improvements in pedal tricycles
IPC: B62K5/04
Filed: 1965-02-19
Abstract: 1,047,672. Pedal tricycles. C. J. TURNER and GEORGE FITT MOTORS Ltd. June 8, 1965 [Feb. 19, 1965], No. 7368/65. Heading B7E. A pedal tricycle has a frame comprising a single main tube T and auxiliary tubes 7, 18 supporting the rear axle and the seat pillar (not shown), the tubes 7, 18 being clamped to the tube T by brackets 4, 15. A pedal axle 34 is journalled in a bracket 32 clamped to the tube T, a front fork steering assembly is carried in a tube 3a welded, or clamped by a bracket 3, Fig. 1a (not shown), to a leg 2 of the tube T, and a three-speed sprocket gear (not shown) is carried by a bracket 30 clamped to the tube T. A bracket 10, Fig. 2 (not shown), is clamped to each end of the tube 7 and has a depending lug 11 for mounting the rear axle, stays 22 being secured to the brackets 10 and to a bracket 20. A bracket 28, Fig. 2 (not shown) is clamped on the tube 7 to combat rear axle whip and to support the rear wheel brake (not shown). The rear end of the tube T has a plate (not shown) welded across the opening thereof, and an adjustable bolt assembly 27 screws into a flange 26 integral with the bracket 4. The brackets 4, 15, 32, 3, 30, 10, 20 and 28 are split castings securable by pinch bolts.
Patent GB-330527-A (GB)
Title: Improvements in or relating to rotary engines and the like
IPC: F01B3/00
Filed: 1929-03-07
Abstract: 330,527. Craig, J. F. N. March 7, 1929. Revolving - cylinder pumps. - In multiplecylinder pumps, &c., wherein a cylinder block has a ported end rotating relative to a valve plate, the surface of the plate or block, or both, is provided with a series of shallow pockets between the ports extending transversely to the direction of rotation which pockets become filled with fluid and relieve the rubbing pressure between the surfaces. In a swash-plate apparatus the central bearing is maintained in a slightly vacuous condition and the ports are connected thereto to prevent the outward leakage of fluid and loss of oil. In apparatus of the kind described in Specification 300,215 and intended to be employed as an aircompressor, the valves-plate has two inlet ports 19, 20 and an outlet port 21. The port 19 is connected to the housing 26 of the central bearing by a shallow groove 27 and induces a slight vacuum therein; the port 20 is connected to the inlet 24 and by means of a groove 28 to the housing 26 to lessen the vacuum therein; the port 21 is connected to the exhaust. Pockets 23 are cut in the valve face on the end 11, and are filled with air and balance the pressure of the cylinder block on the valve face. A small passage 29 through the block 10 connects the housing 26 with the swashplate space. Loss of oil at the opposed valve faces is prevented by a groove 30 connected by a passage 31 to the housing 26. In a modified construction, some of the pockets are connected through passages controlled by non-return valves with the delivery pipe. If the acting pressure falls, air is supplied from the pocket 23. The four balls of the two adjacent pockets are retained by a single screw.
Patent GB-116122-A (GB)
Title: Improvements in and relating to Electric Cables.
Inventor: PAXTON ARTHUR
IPC: H01B7/22
Filed: 1917-05-24
Abstract: 116,122. Paxton, A. May 24, 1917. Drawings to Specification. Cables.-In a single or multicore electric cable, the insulation mainly consists of a layer of rubber, rubber substitutes, or substances having rubber as one of its constituents, on to which bitumen, or a substance having bitumen as one of its constituents, is applied under pressure, whereby the rubber is impregnated with the bitumen or its equivalent. Reference has been directed by the Comptroller to Specifications 8238/06, 11135/09, 26591/10, and 10440/14.
Patent GB-374499-A (GB)
Title: Improvements in actions for typewriting machines
IPC: B41J7/02
Filed: 1931-03-11
Abstract: 374,499. Typewriters. JAMES, R. W., 11, Queen Victoria Street, London.- (Remington Typewriter Co. ; Ilion, New York, U.S.A.) March 11, 1931, No. 7542. [Class 100 (iv).] Type-lever actions; pivots.-In noiseless actions comprising normally disconnected controlling means such as pivoted weights for slowing down the type-levers, the controlling means and type levers have camming engagement, and the typelevers are preferably formed without lateral bends and have their pivots arranged in a plane that is normal to a plane containing the printing line. Detachable pivots, described below, may be provided for parts of the actions. In the action shown in Fig. 1, a type-lever 3 has a heel 10 having lost-motion engagement with a hook 11 on a link 12 which is suspended from a link 14 and is connected by a link 21, bellcrank 24, and link 30 to a key-lever 31. The type-lever and the link 14 are pivoted in a horizontal segment 1, and the link 12 is guided by the segment and rests on a plate 17. The type-lever, links, and bell crank are arranged in a plane radiating from the printing point, and the key-lever is arranged in a fore-and-aft plane, the link 30 being at the intersection of the planes. The type-lever is formed without bends, and the plane of the type-lever pivots 4 is normal to a plane containing the printing line. A weight 47, pivoted in a segment 9 and arranged in a plane parallel to that of the typelever, has a cam slot 48 for engaging a pin 43 on an arcuate arm 19 on the type-lever. The weight may be normally locked by engagement of pins 49, 50 thereon with the arm. On depression of the key-lever, the type-lever is positively operated, and when the type-lever reaches the vertical position the pin 43 cooperates with the cam slot 48 to impart an accelerated forwards movement to the weight. When the type-head 6 approaches the platen 5, the key-lever is arrested by a stop 31 a, and the movement of the type-lever is completed by momentum. The weight can move slightly after the type-head reaches the platen, the arrangement obviating the employment of means for relatively adjusting the type-head and platen. After impression, the action is returned by a spring 26, rebound of the typelever from a rest 8 being prevented by cooperation of the arm 19 with a lug 18 on the link 12. The bell cranks 24 are arranged in slots 39 in a segment 36 and are each mounted on a detachable self-adjusting pivot 35, Fig. 5, which is placed in a hole 40 and has rounded ends 42 engaging the sides and bottom of the hole. Keys.-To provide uniform touch and dip for the keys 33, the arms 29 of the bell cranks 24 are of graded lengths, the longest arms being associated with the key-levers of the top bank. Case-shift mechanism.-The segments 1, 9 have vertical shift movement, the links 21 passing from one of the horizontal to the other during the movement. Alternatively platenshift may be employed.
Patent GB-574218-A (GB)
Title: Improvements in indicators comprising luminescent materials adapted to be excited byblack lamps
IPC: H01J61/44
Filed: 1942-06-10
Abstract: 574,218. Luminescent materials. GENERAL ELECTRIC CO., Ltd., and JENKINS, H. G. June 10, 1942, No. 7968. [Class 39 (i)] An indicator of the type comprising luminescent material activated by a black lamp employs zinc-cadmium sulphide giving orange light under excitation by the black lamp and covered by a substantially non-luminescent filter which is opaque to yellow or green light but is transparent to red light and to the exciting radiation. The filter may consist of a magenta dye which may be coated on the luminescent material or mixed therewith. It may also be included in a solid sheet of material applied as a protective window over the luminescent material.
Patent GB-854059-A (GB)
Title: Improvements in or relating to bamboo pulp and paper production
IPC: D21B1/06
Filed: 1958-03-12
Abstract: 854,059. Preparation of paper pulp from bamboo. ARMOUR RESEARCH FOUNDATION OF ILLINOIS INSTITUTE OF TECHNOLOGY. March 12, 1958 [Jan. 23, 1958], No. 7975/58. Class 96. Bamboo culms B are fed by a worm-and-screw gear 13b, 13c driven by a motor 13a &c., tangentially to a toothed drum 11 e.g. 3 feet in diameter and rotated at 250 R.P.M. by a motor 11b. The teeth 12 may be to 1 inch long, and # to “ inch in diameter. Their working edges are relatively blunt. The fibre thus produced may be of # to 1 inch average length. It may be subjected to conventional heating and bleaching, e.g. using zinc hydrosulphite.
Patent GB-1075734-A (GB)
Title: Method and apparatus for lining container closures
IPC: B21D51/46
Filed: 1966-02-23
Abstract: 1,075,734. Coating apparatus. AMERICAN FLANGE & MANUFACTURING CO Inc. Feb. 23, 1966 [April 1, 1965], No. 7977/66. Heading B2L. In applying a semi-liquid lining compound to the inside of a container closure 7 the latter is placed on a spinning, vacuum chuck 10 and is raised thereby into a lining position adjacent the end of a nozzle 6, from which a predetermined quantity of lining compound is metered into the closure 7, the movement of the chuck and the metering of the compound being in timed relationship. The nozzle 6 is supplied from a reservoir 1 surrounded by a heating jacket 2, the heating medium 3 in the jacket being kept at a constant temperature by coil 4 and part of the heating medium being circulated through a coil 13 around the nozzle 6 to maintain the compound in the nozzle at substantially the same temperature as that in the reservoir 1. Means can be provided for delivering closures continuously to a lining station and removing them therefrom and depositing them on a conveyor belt which carries them through a compound curing oven. After the oven a cooling device may be provided to cool the closures and the belt. Several lining stations may feed on to a common conveyor belt passing through the curing oven.