baber/WOPTO huggingface dataset:
Patent GB-875748-A (GB)
Title: Manufacture of copolymerized polyureas
IPC: C08L75/02
Filed: 1959-10-19
Abstract: A method of producing a polymeric material capable of being readily spun into fibres, comprises reacting urea in the presence of a viscosity stabilizer comprising a monobasic acid, an alkyl monoamide or an N-acyl alkylene diamine, the alkyl or alkylene radical of which contains at least 3 carbon atoms, with at least two different alkylene diamines, or carbonates thereof, the alkylene radicals of which contain different numbers of carbon atoms linearly arranged, each alkylene radical containing at least six carbon atoms, the reaction being effected initially at a temperature of 100 DEG -130 DEG C. to produce a substantially two-molecule condensation product whereafter the temperature is raised to 220 DEG -270 DEG C. to effect polymerization to a polyurea copolymer.  In a preferred method a mixture of the different alkylene diamines and a substantially equimolar quantity of urea is employed and the reaction is effected in water or an organic solvent and in an inert atmosphere.  Examples describe the reaction of mixtures of urea and (1) nonamethylene diamine, hexamethylene diamine and palmitic acid amide in m-cresol; (2) nonamethylene-diamine carbonate, octamethylenediamine carbonate and N-caproyl-nonamethylenediamine in water; (3) octamethylenediamine carbonate, hexamethylenediamine and pelargonic acid amide; (4) nonamethylenediamine, octamethylenediamine, hexamethylene diamine and caproic acid amide in water.  Specification 864,889 is referred to.
Patent GB-195936-A (GB)
Title: Improvements in electric switches
IPC: H01H33/55
Filed: 1922-12-29
Abstract: 195,936. British Thomson - Houston Co., Ltd., (Assignees of Huber, H. J. H.). April 10, 1922, [Convention date]. Addition to 176,740. Oil switches; boxes and cases.-In the oil switch described in the parent Specification, the actuating mechanism is contained in a chamber 19, and to impede the passage of oil the operating rod 15 passes through an insulating guide sleeve 17 secured to the lower member 20 of an extension of the chamber 19. The plate 20 is secured to side and end plates 21, 30 the chamber so formed being disposed between the two portions 28 of the centre section of the baffle plate 26. The end sections 27 thereof are provided with holes for the passage of the insulators 13, their outer ends dipping below the surface of the oil in the tank 10. They are supported from the cover 22 by struts 24, 25. The side plates 21 of the lower extension of the chamber 19 are secured to its walls 32, which are extended laterally at 9 to protect the insulators 13. The chamber 19 is closed by an upper cover 31, the external switch operating member extending through an opening in one of the ends 34 of this cover.
Patent GB-394029-A (GB)
Title: An improved rotary internal combustion engine
IPC: F02B53/00
Filed: 1931-12-22
Abstract: 394,029. Rotary e n g i n e s . NORTHEY, A. J., Rilstone, Springfield Road, Parkstone, Dorset. Dec. 22, 1931, Nos. 35476/31, 7106/32, and 28643/32. [Class 110 (ii).] A rotary combustion engine having rotors co-operating as shown in Fig. 3, has one or more working chambers a, c supplied with fuel or air from a compressor b of similar construction, the capacity of which is greater than that of either one of the explosion chambers a, c, so that a supercharging effect is obtained, The rotor g of the compressor is provided with side discs p, q which have piston rings on their peripheries. Similar discs n, o, r, s are provided on rotors f, h. Inlet points 1 communicate with a carburetter. Compressed fuel passes through ports u, v in the discs p, q into passages d, e and is led into explosion chambers a, c through ports x<1>, y<1> controlled by discs t, w. Sealing rings 9 are provided at each end of the passages connecting the compressor with the working chambers. The teeth on the driven rotors are spaced angularly to maintain an even torque. A bye-pass 5 connects the bottom of the compressor with the suction side and allows a small quantity of gas to pass from the delivery to the suction side. The two shafts i, j are connected by gear wheels 6. The exhaust passes through passages 4. Gas trapped in the teeth at the end of the compression stroke passes in front of the teeth and adds pressure to the next stroke. In a further arrangement the compressor is detached from the engine and is driven by the engine through gearing, at the same or higher speed than the engine. The engine may have two compression and four explosion chambers. Specification 346,973 is referred to.
Patent GB-619917-A (GB)
Title: Improvements in or relating to bonnets for motor vehicles
IPC: B62D25/10
Filed: 1946-11-29
Abstract: 619,917. Vehicle bonnets. SHARP, R. J. Nov. 29, 1946, No. 35524. [Class 79 (iii)] [Also in Group XXXII] A vehicle bonnet or half-bonnet is integral with a wing and is pivoted about a substantially vertical axis, a stationary mudguard apron being provided so as to mate with the bonnet and wing when the latter is in the normal closed position. As shown in Fig. 1, the half-bonnet 15 and wing 16 are pivoted about the hinge 45 located down the centre of the radiator grille. The vertical portion 23a of the mudguard remains fixed to the chassis. In a modification, the hinge pin 45 may be vertical and carries the bonnet-wing by two arms, the lower arm projecting through a slot in the bottom of the radiator grille, which in this modification is separate and stationary. Alternatively, each half-bonnet-wing has its own hinge located at the side of the radiator grille, which is fixed. The invention may be applied to a, rear-engined vehicle, as in Fig. 7, wherein each half-bonnet 10b and wing pivot about a vertical hinge pin 50 to the dotted position shown, or separate hinges may be provided at the front of each wing section. The form shown in Fig. 1, wherein the hinge is not vertical, necessitates a retaining catch to hold the bonnet open. This may take the form shown in Fig. 3 wherein at the centre of the front bumper 43 is clamped a double-ended detent member 40 having bevelled ends 41 up which slides the spring-loaded bolt 42, mounted on the bonnet, when the bonnet is swung open. A bonnet lock operable from inside the vehicle is shown in Fig. 4, in which 30 is the back of the instrument panel and 10 is the bonnet, from the inside. The lever 34 projects into the driving compartment; to unlock the bonnet the lever is lifted into the horizontal position, shown dotted, whereby the shaft 32 is rotated and the arcuate member 37 is moved out of contact with the detent bracket 28 fixed to the bonnet by rivets 29, which also secure the fixed handle 24. The arcuate member 37 is biassed into the locking position by the weight 37w integral therewith.
Patent GB-1508899-A (GB)
Title: Technetium 99-m labelled radio-diagnostic agents non-radioactive carriers therefor and method of preparation thereo
IPC: A61K51/00
Filed: 1975-08-28
Abstract: 1508899 Radio diagnostic agents UNION CARBIDE CORP 28 Aug 1975 [29 Aug 1974] 35534/75 Heading A5B [Also in Division C2]  A radiodiagnostic agent for bone or lung scanning comprises a solution containing Na<SP>99m</SP>TcO 4 , stannous tartrate, and a sequestening agent which contains a P-O-P linkage or is a phosphonaite containing a P-C-P linkage. Specified sequestering agents are sodium pyrophosphate, sodium tripolyphosphate and the mono- and disodium salts of methylenediphosphomc acid, (dichloromethylene) diphosphonic acid and (1 - hydroxyethylidene) diphosphonic acid.
Patent GB-1442928-A (GB)
Title: Locking and releasing means for the throwing arm on clay pigeon throwing apparatus
IPC: F41J9/20
Filed: 1974-08-13
Abstract: 1442928 Clay pigeon traps STIGA AB 13 Aug 1974 [13 Aug 1973] 35535/74 Heading A6D A clay pigeon trap of the type incorporating a spring-loaded throwing arm 4 pivotted in a casing 2 at the end of a tubular shaft 1 has a release mechanism comprising a bracket 12 upstanding on the shaft 1 and having a vertical slideway in which moves a slide 13 whose upper edge has a detent 17 for retaining a loop 11 on the arm 4 within a notch 8 in the bracket 12. The slide 13 is able to enter the shaft 1 through a slot 16 when depressed to release the loop 11. A blade spring 22 urges the slide 13 upwards, forcing the detent 17 against an abutment 15 on the bracket 12. A retaining plate 14 secured by e.g. screws 23 keeps the slide 13 in place. A hand grip 6 has a spigot portion 24 rotatable within the shaft 1. An axial projection 20 of the spigot 24 engages a slot 18 in the slide 13 so that rotation of the hand grip 6 causes the slide 13 to be depressed. The spigot 24 has a groove 25 with an abutment and a second abutment projects into the groove 25 from the shaft 1; a spring 21 between the abutments urges the hand grip 6 into a rest position where the slide 13 is allowed to remain in its uppermost postion. The slide 13 also has a projection 9 for use with an automatic release device, the projection 9 extending beyond the bracket 12 sufficiently that when its tip is level with the top edge of the bracket 12 the slide 13 is in its release position. A bearing in the casing 2 supports the arm 4. The casing 2 also contains a coil spring connected to the arm 4 and an associated tensioning bush, the latter being connected to a tensioning arm 5. After the loop 11 has been engaged in the release mechanism, the tensioning arm 5 is pulled back to tension the coil spring and engaged in a slot 10 on the bracket 12, thus spring loading the throwing arm 4.
Patent GB-1224571-A (GB)
Title: Hydraulic transmission for fabric-treating machines
IPC: D06F37/30
Filed: 1968-07-25
Abstract: 1,224,571. Washing machines. BORG-WARNER CORP. 25 July, 1968 [7 Aug., 1967], No. 35621/68. Heading D1A. [Also in Divisions F2 and F4]  A washing machine 11 comprises a motor 32 driving a shaft 20 connected to either the pumping element or housing, of an hydraulic pump 40 the other part being connected to a rotary clothes container 13, control means being provided in the pump circuit so that, during continuous circulation, a reaction torque can be produced on the part of the pump connected to the container 13 to rotate the latter. The basket 13, an oscillatory agitator 12 and the transmission 10 are carried on a shaft 20 mounted in bearings 31, 23, in a flexible rubber member 17 and a steel member 21 both mounted main opening in the base of tub 15. Motor 32 is reversible and also drives shaft 20 and pump 38 for emptying tubs 15. The transmission 10 comprises a housing 57, 58, 59 forming a sump 46 for hydraulic fluid and containing a vane motor 41, a motor control valve 42 the reversible fluid pump 40 and a spin control valve 44. Keyed to shaft 20 is the inner rotor 67 of pump 40 whose teeth 71 engage recesses 70 in an outer rotor 68 rotatable in a housing. The motor 41 comprises a vane 78 mounted in a housing with its hub 78a engaging a wall 80 and dividing the housing into portion 77a, 77b. The hydraulic circuits including valve 42 are such that, during clockwise rotation of the pump, the vane, and with it the agitator, is reciprocated. Housing plate 57 is bolted to basket 13 and a brake 43 operates on the hubs of plate 58 to hold the basket during agitation. When the motor 32, is reversed to reverse the pump, a solenoid is energized to release brake 43 and the valve 44 is opened by the suction of the pump so that fluid is drawn in from the sump 46. Circulation of the fluid through the valve housing and pump causes a coupling between shaft 20 and the transmission housing causing the basket to spin.
Patent GB-335444-A (GB)
Title: Improvements relating to cases, hand-bags or the like
IPC: A45C13/40
Filed: 1929-11-22
Abstract: 335,444. Brooks & Co.. Ltd., J. B., and Snell, G. C. St. J. Nov. 22, 1929. Handbags.- A suitcase, handbag, or the like is provided with a holder for an umbrella, walking stick or like article, the holder being attached to the inside of the case or bag and arranged to be disposed on the exterior when required for use. The holder shown consists of a short open-ended sleeve 1 of fabric, leather, &c. attached to the interior of the lid 2 by a flexible flap 3, but the connection may be by means of bands, and the sleeve may be replaced by a pair of separated loops or straps.
Patent GB-1279884-A (GB)
Title: A method for the degradation of raw grains
Inventor: BARHAM HAROLD NATHAN
IPC: A23L7/10
Filed: 1969-07-16
Abstract: 1279884 Process for degradation of raw grains H N BARHAM and H N BARHAM Jnr 16 July 1969 [26 July 1968] 35815/69 Heading A2Q A process for the degradation of raw grains, in order to provide starch for industrial applications such as the finishing of paper and textiles, sizings, adhesives, or an additive in gypsum wallboard production, or/and to provide a nutritive binder for animal feed pellets; comprises enclosing the raw grains in a pressure container, absorbing at least one gas into the kernel structure of the grains, partially evacuating the container, and thereafter introducing steam into the container until a peak pressure of at least 1.76 Kg per square centimetre gauge is obtained. Preferably the steam is brought up to peak pressure in a period of from six seconds to 2.5 minutes after steam introduction has been initiated and the steam is maintained at peak pressure for a period of from one to five minutes. The gas absorbed into the kernel structure of the grain is preferably sulphur dioxide, hydrogen chloride, ammonia, chlorine, ethylene. ethylene oxide, or mixtures of these, particularly a mixture of sulphur dioxide with ammonia and/or hydrogen chloride. A preferred process comprises subjecting the grain to the gas or gases in the container until at least 0,1 per cent by weight of the gas or gases has been absorbed into its kernel structure and, after partially evacuating the container, subjecting the grain to steam for a time and at a pressure such that the product formed has a reducing sugar value, cold and hot water solubles content, respectively, from about 0.93 to 4.00, 55.95 to 85.15 and 68.54 to 90.86 per cent.
Patent GB-453687-A (GB)
Title: Improvements in pedal propelled cycles
IPC: B62K3/00
Filed: 1935-12-31
Abstract: 453,687. Pedal - propelled cycles. RAIMOND, A., 73, Rue Logier, St. Etienne, Loire, France. Dec. 31, 1935, No. 36018. Convention date, March 21. [Class 136 (iii)] In a cycle of the type in which the rider occupies a substantially reclining position to operate rotary pedal cranks, the steering wheel is arranged behind the pedal mechanism, so that steering can be effected by means of a handle-bar mounted directly on the steering- stem of the front fork, without the use of intermediate gearing. The frame is constructed of tubes 2, 3, 4, 5, 6 and the pedal mechanism 8 is mounted in a bracket 7 at the front end, the stem of the front fork 11 being mounted in the tube 5 and actuated by a handle-bar 13. The front wheel 12 and the rear wheel 10 are arranged close together, with a low seat 14 (with back-rest 18) between, the rear wheel 10 being of normal size. The rear wheel is driven by a single chain 16 guided over a toothed wheel 17, and a variablespeed gear 15 of the type having sprockets of different sizes may be provided.
Patent GB-982903-A (GB)
Title: Process for the manufacture of aromatic amines
Inventor: COOKE EDWARD VINCENT
IPC: C07C67/00
Filed: 1962-09-24
Abstract: In a continuous process for the manufacture of mononuclear aromatic, primary monoamines by liquid phase catalytic hydrogenation of the corresponding nitro compounds, concentration of said amine in the liquid phase is not less than 95 wt. per cent, the hydrogenation being conducted at the apparent boiling-point of the reaction mixture at a pressure up to 10 atm., at least some of the heat being removed by evaporation; the vapours are condensed and water separated, sufficient of the amine being, if necessary, returned to the reactor to maintain steady conditions therein.  Examples describe the preparation of aniline and o- and p-toluidines. Specification 982,902 and U.S.A. Specification 2,292,879 are referred to.
Patent GB-894118-A (GB)
Title: Improvements relating to suspension means for the wheels of power vehicles
IPC: B60G11/08
Filed: 1959-10-26
Abstract: 894,118. Leaf spring suspensions. LANGEN, V., and VAN DOORNE'S AUTOMOBIELFABRIEK N.V. Oct. 26, 1959 [Oct. 31, 1958], No. 36227/59. Classes 108(2) and 108(3). The individual suspension of the front wheels of a power vehicle comprises a leaf spring, arranged transversely of the vehicle. The ends of the master leaf spring 4 are rigidly attached to the respective socket members of ball and socket joints 2 and the adjacent leaf 5 can make a limited movement relative to them in the longitudinal direction of the spring. In Fig. 2, the two leaves 4, 5 are held by a clamp 6 which clamps the master leaf 4 rigidly, and acts as a stop for the leaf 5 by means of a collar 8 which projects in a recess 9 of the leaf 5. The length of the recess is greater than that of the collar. If the leaf 4 should break, the ball and socket joint 2 is still held to the leaf 5 by the collar 8. In Fig. 4, the master leaf 4 is of greater width than the leaf 5. The projecting edge of the master leaf 4 is clamped by steps 11 and the leaf 5 can slide under a bridge portion 12. In a modification, Figs. 5, 6 (not shown), the clamp is in two halves which are mirror images of one another and are secured by bolts. In Figs. 7, 8, the clamp consists of 2 parts 6<SP>d</SP> and 6<SP>c</SP> one above other.
Patent GB-522685-A (GB)
Title: Improvements in or relating to bearing surfaces
IPC: F16C33/24
Filed: 1938-12-13
Abstract: 522,685. Making bearings, piston rings, cylinders, valve guides &c. SHAW. H. Dec. 13, 1938, No. 36240. [Classes 83 (i) and 83 (ii)] [Also in Group XXXIV] Casting composite articles.-Bearings, pistons. piston rings, engine cylinder walls, valve guides and other parts making sliding contact with one another have a surface in which tin, leadzinc, cadmium or their alloys or other bearing metal is held in pores or pits in the face of a matrix of greater strength or heat conductivity or both, e.g., steel, copper, silver or their alloys, The pores &c. may be made by etching, rolling, machining, or by controlled electro-chemical deposition of the matrix metal and the bearing metal may be loaded into the pores by casting, electro-deposition, spraying, depositing from vapour, e.g., stannising, or sherardising, the excess being finally removed. In a modification a layer of bearing metal on body of matrix metal is machined to leave island projections of the bearing metal around which matrix metal is formed in any desired manner. The matrix may be first deposited on a body, e.g., a connecting-rod, of a different metal or it may be shaped after the pores &c. have been loaded. Pores about 5 thousandths of an inch apart, 7 deep, and 5 in diameter, may be made in a copper or silver matrix by a spiked roll. A bonding metal may be used between the matrix and bearing metals.
Patent GB-1410602-A (GB)
Title: Lasers
IPC: C07D491/22
Filed: 1972-08-03
Abstract: 1410602 Lasers EASTMAN KODAK CO 3 Aug 1972 [9 Aug 1971] 36375/72 Heading H1C Coherent monochromatic radiation (especially lasers) is generated by irradiating a liquid reservoir containing a solution of a dye having an amidinium ion or amidic ion chromophoric system and containing at least one aminosubstituted phenyl radical through which the conjugated chain of the chromophoric system passes and in which the nitrogen atom of the amino-substituted phenyl radical is a terminal chromophoric nitrogen atom and is part of one or two 5, 6 or 7 membered rings fused to the phenyl radical. Preferred dyes are of the following formulae (in which R<SP>7</SP> is H or 1-7 C akyl; R<SP>8</SP> and R<SP>9</SP> are each H, 1-10 C alkyl or an optionally substituted aryl group of 6-20 C atoms; R<SP>10</SP> and R<SP>11</SP> are each H or 1-4 C alkyl or together represent carbon atoms completing a 5- or 6-membered fused ring system; Q represents the C, N, S and O atoms necessary to complete a 5- or 6- membered heterocyclic nucleus.
Patent GB-349948-A (GB)
Title: Improvements in or relating to lubricators more particularly for motor vehicles
IPC: B60R17/02
Filed: 1929-11-27
Abstract: 349,948. Force-feed lubricators. PIERRON, J. H. J., 109, Grande Rue, Vaux-s.-Seine, France. Nov. 27, 1929. No. 36392. Convention date, Dec. 11, 1928. Void [Published under Sect. 91 of the Acts]. [Class 12 (iii).] Lubricant supplied under pressure to a lubricator A through an inlet B at the top depresses a piston D against a spring E, ejecting the lubricant beneath it through an outlet C containing a spring-pressed valve e until the coned portion d of the piston seats on a conical part b of the lubricator. When the pressure is released, the piston rises and the lubricant above it passes into the space beneath it through a small slot f in the piston. The slot f is closed when the piston is in its lowest position, The piston may be replaced by a diaphragm.
Patent GB-355154-A (GB)
Title: Improvements in tobacco pipes
IPC: A24F1/08
Filed: 1930-12-03
Abstract: 355,154. Tobacco pipes. DELACOUR, A., 107, Salusbury Road, West Kilburn, London. Dec. 3, 1930, No. 36426. [Class 130.] The mouthpiece extension 11 communicates with the chamber 9 by inclined and vertical passages 5, 7 of differing diameters.
Patent GB-783442-A (GB)
Title: Improvements in or relating to drums for the temperature treatment of materials
IPC: D06C7/00
Filed: 1954-12-17
Abstract: 783,442. Drying webs. SPOONER, W. W. March 16, 1956 [Dec. 17, 1954], No. 36546/54. Class 34(1) A travelling web 36, Fig. 1, of material is heated by passing first over a rotary drum 21 open at one end and supported on external rollers 25, 26 and then over a drum 22 also open at one end and supported on internal rollers 27, 28, so that one side of the web contacts the surface of the drum 21 while the other side contacts 'that of the drum 22, each drum being heated by jets of air issuing from axially-extending heating units 29 spaced around the inside of the drum. The outer side of the web passing over the drums is heated by jets of air issuing from heating units 30 spaced around the exterior of the drums. The units 29, 30 each consist of a manifold 43, Fig. 2, communicating with a duct having heaters 42 and an air circulating fan 41 driven by a motor 40 and having an inlet opening communicating with a central chamber 46. The air is directed on to the inside of the drums through nozzles 44 in the manifold and withdrawn therefrom through passages 45 connected to the chamber 46. The units 29 are inserted into the drums through the open ends thereof arid attached by radial arms 50 to a hollow shaft 34, while the outer units are supported by a framework 51. Make-up air is supplied to the chambers 46 of the outer units by a fan 31 through pipes 32, 33, while the chambers of the inner units are supplied through radial pipes connected to the hollow shaft 34. The drums may be rotated by their supporting rollers 25...28 or otherwise. Specification 485,919 is referred to.
Patent GB-1518056-A (GB)
Title: Means for attaching an object to a support
IPC: H05K5/02
Filed: 1976-09-03
Abstract: 1518056 Releasable fastenings GEBA GES FUR ELEKTRONISCHE BRANDMELDEANLAGEN mbH & CO 3 Sept 1976 [5 Sept 1975 7 July 1976] 36611/76 Heading E2B [Also in Division H2] A fire-sensor 12 is fixed to its mounting by a helical slot and diametrical wire type fastener 68, 70, engaged by rotating the sensor on the mounting. The fastener and casing parts make electrical connection.