baber/WOPTO huggingface dataset:
Patent GB-343911-A (GB)
Title: An improved device for repairing leaks in pipes
IPC: F16L55/172
Filed: 1929-11-18
Abstract: 343,911. Stopping leaks in pipes. HOGBEN, G., 51, Agamemnon Road, West Hampstead, London. Nov. 18, 1929, No. 35161. [Class 99 (ii).] A device for stopping leaks in pipes 1 comprises a brass &c. plate 2 which is bent to conform to the shape of the pipe and is held on the pipe by a band 3. The plate may be lined with rubber &c. 7, and the band is preferably of a width equal to the length of the plate. The ends of the band are formed with holes 6 to receive a clamping screw 4, and the central part thereof is stamped-out as shown.
Patent GB-1123628-A (GB)
Title: Production of vinyl chloride copolymers
IPC: G11B3/70
Filed: 1967-08-02
Abstract: An anti-static moulding composition is formed from a vinyl chloride copolymer containing at least 10% by weight of an alkyl fumarate and 0.5-5 parts by weight, per 100 parts of copolymer, of a fatty alcohol, e.g. containing 12-18 carbons.  Preferred is 2-ethylhexyl fumarate. Optional additives are epoxidized soybean oil, PVC or vinyl chloride-vinyl acetate copolymer, tin stabilizer, and calcium stearate.
Patent GB-1354175-A (GB)
Title: Process for the production of parabanic acid derivatives
IPC: C07D233/66
Filed: 1971-07-28
Abstract: 1354175 Production of paraboric acid derivatives BAYER AG 28 July 1971 [28 July 1970] 35478/71 Heading C2C Paraboric acid, thioparaboric acid or selenoparaboric acid derivatives of the formula are obtained by reacting a salt of the general formula with an isocyanate, isothiocyanate or isoselenocyanate of the formula R-NCZ in the presence of an organic or inorganic base at a temperature of from - 100‹ C. to + 300‹ C., wherein Z represents O, S or Se, X and Y, which may be the same or different, represent radicals of the formula -NR 1 R 2 , -OR, or -SR, R 1  represents an alkyl, substituted alkyl, cycloalkyl, substituted cycloalkyl, aryl, or substituted aryl group, and R 2  represents hydrogen or has the same meaning as R 1 , or the group R 1  from one of the substituents X and Y, and the group R 1  or R 2  from the other substituent together represent an alkylene, alkenylene or arylene radical which joins X and Y together to form a ring, optionally containing further heteroatoms, R represents an alkyl or substituted alkyl radical with 1 to 20 carbon atoms, a cycloalkyl or substituted cycloalkyl radical with 5 to 7 carbon atoms, or an aryl or substituted aryl radical with up to 20 carbon atoms, and U- represents an organic or inorganic anion. The reaction may be carried out in an organic or inorganic solvent and suitable bases are trialkylamines, cycloalkylamines, heterocyclic compounds with at least one nitrogen atom in the ring, metal alcoholates, organometallic compounds, and sodium hydride. The compounds exhibit herbicidal activity.
Patent GB-447889-A (GB)
Title: Improvements in or relating to cleaning devices
IPC: A47L13/22
Filed: 1935-12-23
Abstract: 447,889. Mops. LEISTNER, R., 61, Bergstrasse, Steglitz, and SCHMIDT, C. O., 9, Maassenstrasse, Schoneberg, both in Berlin. Dec. 23, 1935, No. 35527. [Class 19] A cleaning device for removing dust from carpets, clothes, ceilings, walls, and the like, comprises a dust receiver a with perforations c and a handle b, the working surface being covered with a detachable sponge rubber member d. A perforated diaphragm e may be provided in the dust receiver a.
Patent GB-1013440-A (GB)
Title: Photographic elements comprising a silver halide emulsion layer
IPC: G03C8/36
Filed: 1962-05-29
Abstract: 1,013,440. Photographic emulsions. EASTMAN KODAK CO. May 29, 1962 [May 29, 1961], No. 35554/65. Divided out of 1,013,438. Heading G2C. A photographic element for use in the process of Specification 1,013, 438 comprises a support and a silver halide emulsion layer and an amount of an alkali metal salt of ethylene diamine tetraacetic acid which is at least twice the weight of the silver in the silver halide, the alkali metal salt being in the emulsion layer or in another layer of the element on the emulsion side of the support. The element may comprise a developing agent.
Patent GB-1442709-A (GB)
Title: Timepiece mechanism
IPC: G04B3/04
Filed: 1974-08-13
Abstract: 1442709 Watches DAINI SEIKOSHA KK 13 Aug 1974 [28 Aug 1973] 35603/74 Heading G3T A stem mechanism similar to that of Specification 1442708 is described but the claims relate to the clutch wheel being movable by a flange on the stem out of engagement with the winding pinion during setting.
Patent GB-1524704-A (GB)
Title: Apparatus and process for moulding of hollow articles
IPC: A61M25/00
Filed: 1975-08-28
Abstract: 1524704 Supporting core during injection INTERNATIONAL PAPER CO 28 Aug 1975 [27 May 1975] 35610/75 Heading B5A [Also in Division B3] A hollow article is formed in a mould 30 (Fig. 3) about a core 31 kept spaced from the mould walls by a plug 32 which is pushed along the core by the moulding material as it is introduced into the mould cavity 36. In one embodiment for producing a catheter, a first wire 31 is attached to one end 35 of a mould 30, and a second wire 41 to the other mould end 34. A plug 32 is initially positioned adjacent the neck of the belled mould and silicone rubber injected by a reciprocating screw into the belled annular cavity 36 to gradually slide the plug along the first wire 31 and on to the second wire 41 (Fig. 5) while air escapes through vents in the mould walls. The plug is long enough to bridge the gap between the two wires during transfer, and has a widened bore end to ensure engagement even if twisted. The rubber fills the cavity between the two wires to define a blind bore for the catheter. Hardening is effected during and after filling by passing hot oil currents through the mould walls. After mould removal, the first wire 31, still supporting the catheter, is soaked in toluene to swell the rubber and allow removal. A hole is punched or burned in the catheter end. In further embodiments the second wire 41 is omitted and the plug unguided at the end of its movement; it can then disengage from the wire end 31, or remain in engagement so that a through bore is formed. The mould walls may include a portion of increased cross-section that the plug straddles as it passes. The mould can be curved and enclose a curved, square crosssection or offset single or plurality of cores which are of solid or hollow hardened steel coated with a fluorocarbon polymer, while the plug comprises case hardened coated steel or coated PTFE. Each core is stuck to, or embedded in, the mould wall, or suspended from an external support. Catheters, tubes, hoses or large diameter pipes are moulded from catalysed silicone rubber which has been softened by rollers, heat curable elastomers, natural rubber, polyurethanes, polyesters, epoxies, polyethylene, polypropylene, vinyls, polystyrene, nylon, acrylonitrile, butadiene styrene, wax, asphalt, plaster, concrete, glass or metals.
Patent GB-484225-A (GB)
Title: Improvements in or relating to modified halogen containing rubber derivatives
Filed: 1936-12-29
Abstract: A composition containing rubber hydrohalide and a plasticizer is prepared by subjecting a mixture of rubber and one or more plasticizers to the action of a hydrogen halide, preferably substantially dry.  The plasticizer, which may be a rubber solvent, is present in such amount that the mixture of rubber and plasticizer remains a solid or at least is not so fluid that it cannot be handled as an integral piece.  Examples of plasticizers are polymerized chloroprene, chlorinated paraffin, chlorinated diphenyl, pine tar, butyl stearate, amyl benzene, dibutyl phthalate, petroleum hydrocarbons, octyl acetate, halowax, resins such as glyceryl phthalate resins and cumarone indene resins, mixtures of ortho and para toluene ethyl sulphamides, coal tar distillates, inner tube reclaim and low boiling solvents such as chloroform and ethylene dichloride.  In an example 100 parts by weight of rubber are milled with 25 parts of chlorinated paraffin to produce a homogeneous mass in sheet form.  This is treated with liquefied hydrogen chloride at about -85 DEG  C. for about 15 minutes. Other examples are given. The hydrogen halide may be used as a liquid or as a gas, and at room or low temperatures. Specification 476,733 is referred to.
Patent GB-1430727-A (GB)
Title: Methods of and apparatus for forming textile yarns
IPC: D02G3/34
Filed: 1974-08-16
Abstract: 1430727 Spinning yarns; drawing frames; roller arrangements PLATT SACO LOWELL Ltd 16 Aug 1974 36239/74 Headings DID D1F and D1N In a yarn forming process, at least two strands are each drafted and directed to a convergence point whereat they combine to form a composite strand structure which is unidirectionally twisted downstream of such point (to form the yarn) with the twist running back thereto and into the strands upstream thereof. The drafting is such as to produce in each strand a cyclical variation e.g. sinusoidal, in thickness along the length thereof and the strands are so combined e.g. by direction along paths of different length, that the composite structure has uniform thickness. In the drafting and twisting apparatus shown, two rovings passing through back rollers 2, condensers 3, aprons 4 and front rollers 5 are each variably drafted as a result of (variably) eccentric rotation of wheel 9 which drives roller 5a through a spring-tensioned chain 8 and gear wheel 7. The drafted rovings 16 and 17 are separated and directed on paths of different length by a spacer plate 13 and a roller 12, which forms a nip with roller 5b and is angularly adjustable in relation thereto, and travel to a lappet guide 14 of a ring and traveller device 15 to be combined and twisted. For Figure see next column
Patent GB-1042583-A (GB)
Title: A coaxial-to-waveguide transmission line transition
Inventor: MILES GORDON RAYMOND
IPC: H01P5/103
Filed: 1961-10-10
Abstract: 1,042,583. Impedance transformation. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Oct. 26, 1962 [Oct.10, 1961], No. 36317/61. Heading H1W. An impedance-transforming transition between a rectangular waveguide and a coaxial line comprises a length of septate waveguide. As exemplified, the transition incorporates a right-angle bend. The transition is made by depositing conductive material upon a destructible core and the shape of this core, which corresponds with the shape of internal space of the transition, is shown in the figures. The central conductor of the coaxial line (not shown) is inserted into a central aperture 13A from which a slot (for the septum) extends radially to the outer cylindrical surface 13B of the core. The outer conductor of the coaxial line fits around the cylindrical surface 13B. The sides of the slot are progressively opened out and rotated through 360 degrees with respect to each other until they form the narrow sides of the rectangular waveguide. The outer and inner cylindrical surfaces 13A, 13B of the core gradually merge into the broad sides of the waveguide. Thus, the sections on lines A-A to G-G are in the form of segments of annuli, the angles of the segments progressively decreasing to zero as the radii of the annuli increase to infinity. The coaxial line may include a dummy load of inverse conical shape.
Patent GB-883402-A (GB)
Title: Straining tank
Inventor: SCHWAIGER FRANK HUBER
IPC: C12C7/14
Filed: 1959-10-27
Abstract: 883,402. Producing wort. ANHEUSERBUSCH Inc. Oct. 27, 1959, No. 36363/59. Class 14 (2). [Also in Group I] A method for drawing off wort from an upstanding straining tank containing mash comprises: drawing off the first wort through a multiplicity of draw-off levels each positioned below the top of the mash, introducing sparge water directly into the mash at one or more points below the top of it, and drawing off the wort simultaneously through a multiplicity of draw-off levels. Mash and water are pumped in at 14 to the level of a nozzle 43. Wort is then withdrawn from some or all of the horizontal arrays of perforated pipes 17 to a wort header 30. The wort is recirculated through a vessel 35, a pump 40 and nozzle 43 and the above process repeated, until the wort is clear, whereupon it is collected for use in brewing. Next, sparging water is introduced into the tank through a conical screen 12 and wort withdrawn as before; also, water may be introduced through any of the pipe arrays 17 and wort removed from the remainder. Specific gravity of wort from any level may be determined by saccharometers 46. Finally water is introduced through all pipes 17 and a flushing ring 33 and the grains washed out through a bottom opening 61.
Patent GB-1012612-A (GB)
Title: Percussion device
IPC: E21C37/24
Filed: 1964-09-04
Abstract: 1,012,612. Percussive tools. BETEILIGUNGS - UND PATENTVERWALTUNGS G.m.b.H. Sept. 4, 1964 [Sept. 6, 1963], No. 36368/64. Heading B4C. A percussive tool comprises a hammer piston 8 adapted to be reciprocated by means of a fluid pressure medium directed via an aperture 12 in a distributing valve 10 to an annular chamber 13 which communicated with one end of the piston and a high pressure accumulator 1, the chamber being exhausted via a further aperture 22 in the valve and communicated with a low pressure accumulator 2. With the piston 8 in the position shown, pressurized fluid is fed through an inlet 7 and via the aperture 12, into the chamber 13; the valve is maintained in the position shown by pressurized fluid acting on a pin 17 connected to the valve, via a passage 25, annular groove 14 in the valve and a passage 16. The accumulator 4 is initially loaded by the fluid but as the piston moves towards the right the built-up pressure is fed into the inlet 7. When the piston approaches the end of its stroke, the groove 14 aligns with a passage 19 leading to atmosphere and thereby exhausts the pressure acting on the pin 17 so that the valve, under fluid pressure in the inlet 7 acting on a pin 18, moves to a position in which the aperture 22 aligns with the exhaust passage 21. The pressure in the chamber 13 is exhausted and the piston driven forward on its working stroke by the fluid pressure acting on the end F 1  of the piston, the momentary high pressure in the exhaust line being taken up by the accumulator 2. A chamber 24 is provided in which air is trapped so as to form a cushion.
Patent GB-1437042-A (GB)
Title: Particulate electrostatographic developer material and a proces using such material
IPC: G03G9/097
Filed: 1973-07-31
Abstract: 1437042 Developer material XEROX CORP 31 July 1973 [3 Aug 1972] 36440/73 Heading G2H An electrostatographic developer comprises toner material and a minor proportion based on the weight of the toner of at least one solid additive in the form of particles and comprising at least one compound selected from phthalic acid, isophthalic acid, terephthalic acid and the ammonium and the metal salts thereof. The additive is slated to assist transfer of the developed image and to prevent build-up of residual toner. The metal salt may be an alkali metal salt, an alkaline earth metal salt, a zinc, cadmium, aluminium, Fe<SP>+++</SP>, cobalt, lead, silver, Cu<SP>++</SP>, or nickel salt. The developer may also comprise carrier particles. Examples of suitable toner and carrier materials are given.
Patent GB-1198694-A (GB)
Title: Apparatus for Driving a Carriage of a Machine.
Inventor: BORZYM ALEXANDER
IPC: B23D25/04
Filed: 1967-08-08
Abstract: 1,198,694. Flying shears. A. BORZYM. 8 Aug., 1967 [1 Sept., 1966], No. 36443/67. Heading B3W. A flying shear 20 for cutting travelling work, e.g. metal tubing 16, comprises a carriage 22 which is reciprocated by a piston cylinder assembly 75 whose piston-rod 77 is coupled, 78, to a bar 56 on which speed limiting means operate to limit the speed of the carriage. The carriage runs on tracks 28 carried by the ram 30 of the shear and includes a chuck to grip the tube 16 during shearing. The piston cylinder assembly is preferably pneumatic and the piston-rod 77 is connected to the carriage through the bar 56 and linkage 50-55, and a rod 36. The arms 50, 54 of the linkage are pivoted at 52 and the pivot pin has rollers 58 which run on a surface 60 and between guides 172, 174 on each side of the casing. When the piston 79 is moved leftwards the linkage acts as an accelerator for the carriage. The speed of the carriage during the shearing is controlled by a pair of rollers 86, 87 which are urged against the rod 56 by a pneumatic piston cylinder assembly 100 during the shearing stroke only. The rod 56 has tapered ends 108 so that the rollers can be driven continuously by a motor 112 whose speed is accurately controlled, 113. Spacers are provided between the rollers chocks so that the minimum separation is greater than the width of the end portions of the bar. In operation with the carriage stationary at the right, the moving tube 16 from a tube mill 15 strikes a flag 120 fastened to a rod 122 which slides in guides 123, 124 horizontally parallel with the tube. The rod 122 is moved leftwards causing an adjustable abutment 126 to engage a latch 128 on a rod 130 pivoted at 132. Movement of the rod 130 is transmitted through linkages to pivot a latch member (142), Fig. 8 (not shown), out of engagement with a step 57 on the bar 56. The latch 142 is held out of engagement by a second latch (145). Air is admitted to the cylinder 75 prior to the release of the latch 142 to urge the piston leftwards. Simultaneously air is admitted to the cylinder 100 to urge the rollers together. The rod 56 is gripped by the rollers to accurately control the speed of the carriage. When the carriage reaches the speed of the tubing it trips a switch (71), Fig. 2a (not shown), initiating a cycle of the ram. After the shearing the carriage trips a switch (74) to exhaust the cylinders and apply air to the left end of cylinder 79 to return the carriage. No air is applied to the cylinder 100 on the return stroke so the rollers do not grip the rod 56. The return movement of the carriage is stopped by an hydraulic buffer 32. The cut-off tubing is ejected under gravity down a shoot (169), Fig. 2b (not shown). The linkage 50-54 and the speed-limiting rollers are housed in a bath of oil 40 and oil-seals 44 are provided where the rods pass through the walls.
Patent GB-368347-A (GB)
Title: Starting means for compression-ignition engines
IPC: F02B19/14
Filed: 1930-12-04
Abstract: 368,347. Oil engines. LISTER & CO., Ltd., R. A. and SANDERS, A. F., Victoria Iron Works, Long Street, Dursley, Gloucestershire. Dec. 4, 1930, No. 36585. [Class 7 (iii).] In a compressionignition engine having two intercommunicating and substantially spherical combustion chambers 3, 4, a fuel injector 9 is located in the chamber 3 which is in communication with the cylinder, whilst an igniter 10 for use when starting projects into the outer chamber 4. The passage 8 communicating with the cylinder has a diameter not exceeding half that of the chamber 3 and it enters the latter tangentially. Specifications 322,097, [Class 7 (iii), Internal-combustion engines, Carburetting-apparatus &c. for], and 368,346 are referred to.
Patent GB-902098-A (GB)
Title: An engine-controlled friction clutch regulator
IPC: F16D48/02
Filed: 1959-10-28
Abstract: 902,098. Clutch control. USTAV PRO VYZKUM MOTORVYCH VOZIDEL. Oct. 28, 1959 [Nov. 4, 1958], No. 36585/59. Class 80 (2). A motor vehicle automatic clutch control wherein pressure liquid disengages the clutch against spring pressure comprises a valve 6 primarily operated by an enginedriven centrifugal governor 4 in opposition to a spring 10 and subjected to secondary forces of an engine manifold depression servo-motor 12 which varies the engaging speed with throttle setting, and the force of the pressure liquid acting on differential lands of the valve which reduces the rate of engagement gradually. With the vehicle stationary and the engine stopped the clutch is engaged since there is no pressure in the system, to provide compression parking. When the engine is started, system pressure liquid at 8 is supplied through a line 7 to the clutch to disengage the latter. On engine speed increase the governor 4 moves upward the valve 6 closing the port 8 and opening an exhaust port 9, during which movement the oil pressure acting on the differential lands decreases as the exhaust port 9 opens, producing a gradually decreasing rate of clutch engagement. The servo 12 assists the governor 4 in response to engine suction at 13, thus increasing clutch-engaging speed with throttle opening. A restricted by-pass 14 supplies oil to lubricate the governor.
Patent GB-912788-A (GB)
Title: Phenylpiperazinylacyl anilines
IPC: C07D295/15
Filed: 1960-10-25
Abstract: The invention comprises compounds of the formula <FORM:0912788/IV (b)/1> (wherein A is a saturated aliphatic hydrocarbon group of 1 to 4 carbon atoms, R is an alkoxy group of 1 to 3 carbon atoms and n is 1, 2 or 3) and their non-toxic, water-soluble acid-addition salts. They may be prepared by reacting a chloro-alkanoic acid chloride with an alkoxy-aniline to produce an N-(chloroalkanoyl)-alkoxy-aniline and then reacting this with N-phenyl-piperazine; or by reacting phenyl-piperazine with an appropriate haloalkyl cyanide to give a 1-phenyl-4-(o -cyanoalkyl)-piperazine, hydrolysing this to a 1-phenyl-4-(o -carboxyalkyl)-piperazine and reacting this with the required alkoxy-aniline.  Examples are given and salts with hydrohalic, sulphuric and maleic acids are described or referred to.
Patent GB-1114189-A (GB)
Title: A method of operating a shaft kiln and a shaft kiln for performing the method
IPC: F27B1/00
Filed: 1966-08-17
Abstract: 1,114,189. Shaft furnaces. VEITSCHER MAGNESITWERKE A.G. 17 Aug., 1966 [18 Aug., 1965], No. 36815/66. Heading F4B. A shaft kiln with a cooling system at the shaft bottom comprises two opposing offtakes 13 which open into the shaft closely above the grate 9 and through which the cooling air admitted through the pipe 12, after having cooled the bottom end of the bed, enters chamber 14 lined with refractory bricks, and is then discharged through cyclones 15 into exhaust ducts 16 from which it can be recovered. To promote efficiency the cooling air must be abstracted before it reaches the firing zones 6, 7 but beforehand it must cool intensely the charge, which it does by moving through cracks in the bed caused by teeth in the grate 9.
Patent GB-839581-A (GB)
Title: Improvements relating to telephone systems
Inventor: DRAKE BERNARD
IPC: H04Q3/00
Filed: 1957-11-26
Abstract: 839,581. Telephone transmission. SIEMENS EDISON SWAN Ltd. Nov. 21, 1958 [Nov. 26, 1957], No. 36844/57. Class 40 (4). At a tandem exchange wherein an incoming 4-wire junction is connected to an outgoing 4-wire junction by a 2-wire link TW, each terminating set comprises a hybrid coil HCP, HCQ with a balancing network and a repeating coil RCP, RCQ arranged as shown. A D.C signalling circuit exists over the primary windings of the repeating coils, polarized relay DD being energized by reversal of current when relay D (not shown) pulls up.
Patent GB-1242388-A (GB)
Title: Production of continuous carbon filaments
Inventor: HIGGINS FRANCIS JAMES
IPC: D01F9/16
Filed: 1967-08-11
Abstract: 1,242,388. Carbon filaments. COURTAULDS Ltd. 24 Oct., 1968 [11 Aug., 1967], No. 36976/67. Heading C1A. Carbon filaments are produced by passing a tow of organic filaments e.g. polyacrylonitrile continuously through a pre-heating zone containing an atmosphere of air, air enriched with oxygen, or nitrogen maintained at a temperature of between 200‹ and 300‹ C., passing the tow under tension over free-running rollers in a main heating zone at a temperature of between 200‹ and 300‹ C. in a similar atmosphere and finally passing the tow through a carbonizing zone containing an inert atmosphere and maintained at a temperature in excess of 1000‹ C. but less than 2000‹ C. If desired, the filaments may be graphitized by passing the tow through an additional heating zone maintained at a temperature in excess of 2000‹ C.