baber/WOPTO huggingface dataset:
Patent GB-737354-A (GB)
Title: Improvements in or relating to a fuel control system for gas turbine engines
Filed: 1953-09-08
Abstract: 737,354. Gas turbine plant. BENDIX AVIATION CORPORATION. Sept. 8, 1953 [Sept. 24, 1952], No. 24835/53. Class 110 (3). [Also in Groups XIII and XXIX] A fuel control system for a gas turbine engine having a governor-controlled metering valve 64 and a regulating valve 48 actuated by the governor and by a diaphragm 46 subject to the pressures before and after the metering valve so that the pressure difference across the latter is maintained as a function of engine speed, as described in Specification 655,311, has means sensitive to engine speed and air temperature at the inlet to the compressor so to govern the fuel flow during acceleration that compressor surge is not encountered and that the maximum safe turbine temperature is not exceeded and during deceleration that the burner is not extinguished. As in the above-mentioned Specification, a bleed from a chamber 44 to the downstream side of the metering valve for modifying the pressure difference maintained across the latter is controlled by a needle valve 110 actuated by a bellows 128, but in this case the bellows is responsive only to the ram pressure at the intake to the compressor. A second bleed, which also passes by way of the needle valve 110 to the downstream side of the metering valve, is taken from a chamber 144 in which a fuel pressure is set up proportional to the square of the engine speed by the rotating governor weights 90, 96, this bleed comprising conduits 38, 40 between which is a spring- loaded valve 142. The compression of the loading spring 210 is varied by a slidable abutment 206 actuated through a lever 186 having abutment with an adjustable flange 194 by a bellows 166 connected to a temperature sensing bulb 169 at the compressor intake. Also actuated by the bellows is a cranked lever 212 with adjustable abutments 230, 236 and operating a slidable stop 222 for the valve 142. The arrangement is such that during acceleration the valve 142 is opened at a certain engine speed dependent upon temperature, the higher the temperature the greater the speed, to increase the pressure in the chamber 44 whereby the opening of the valve 48 is increased. Thus the fuel flow is increased at a rate just insufficient to cause compressor surge until the valve 142 engages its stop 222, whereby the rate of increase of fuel flow is reduced to prevent excessive turbine temperature. As the required speed is reached the fuel flow is stabilized by the action of the metering valve 64. To compensate for the effect of fuel temperature on the bellows 166, bimetallic discs 180 are interposed between the bellows and a member 182 by which the levers 186, 212 are operated. In a modification, the slidable spring-abutment 206 and the stop 222 are integral with one another and are actuated by the bellows without the interposition of levers. Specifications 604,466 and 612,840 also are referred to.
Patent GB-794596-A (GB)
Title: Lighting dimmers
IPC: G03B15/06
Filed: 1955-08-30
Abstract: 794,596. Optical diaphragms. CENTURY LIGHTING, Inc. Aug. 30, 1955, No. 24885/55. Class 97(1) Each blade of an iris diaphragm is formed of two superimposed flat segments of elongated triangular shape pivoted together at their apices and pivoted at their bases one to a fixed ring and the other to a concentric adjustment ring movement of which causes the blades to pivot to the centre of the aperture formed by the ring and simultaneously causes the segments to rotate about the pivot at their apex, successive blades overlapping only whan the aperture is fully closed. As shown each blade 36 consists of segments 38, 40 pivoted together at 42, the segment 38 being pivoted at 26 to a fixed ring 22 and the segment 40 being pivoted at 46 to a movable ring 34 concentric with the ring 22. As shown in Fig. 7 when the diaphragm begins to close the two segments of each blade remain substantially superimposed so that light can pass to some extent through the edges of the aperture. As the diaphragm closes the segments of each blade rotate about their pivot 42, Fig. 9, so that finally the aperture can be completely closed, a member 58 on one of the blades completing the closure. By this means the total diameter of the emergent light beam is not substantially reduced until the diaphragm is almost closed.
Patent GB-1429420-A (GB)
Title: Thiadiazole derivatives
IPC: C07D285/10
Filed: 1974-06-05
Abstract: 1429420 Thiadiazole derivatives MERCK SHARP & DOHME (IA) CORP 5 June 1974 24942/74 Heading C2C Novel compounds of Formula I: or an acid addition salt thereof wherein R represents hydrogen, chloro, lower alkyl, lower alkoxy, phenyl, benzyl, N-lower alkylcarbamoyl, morpholino, piperidino, hydroxypiperidino, piperazinyl, N-lower alkylpiperazinyl; R<SP>1</SP> represents hydrogen, and C 1-5  alkyl; R 2  represents C 1-10  alkyl, hydroxy C 1-10  alkyl, lower alkenyl, lower alkynyl; the radical NR<SP>1</SP>R<SP>2</SP> can represent morpholino; and R<SP>3</SP> represents a mono- or polysubstituted lower alkyl wherein the alkyl group contains from 2 to 6 carbons and the substituent groups are selected from halogen, a phenyl, phenoxy, carboxy or ester thereof are prepared by acylation and optionally resolvation of a compound of Formula A: Pharmaceutical compositions in conventional forms for oral or parenteral administration having #-andrenergic blocking activity comprise an above novel compound and an excipient.
Patent GB-443578-A (GB)
Title: Improved method of and apparatus for indicating at a distance the level of petrol or other liquid in a container
IPC: B64D37/00
Filed: 1934-08-30
Abstract: 443,578. Electric signalling systems. McKENNAN, J. F. X., 128, Piccadilly, London. Aug. 30, 1934, No. 24944. [Class 40 (i)] [See also Groups XVIII and XIX] In a liquid level indicator, a metal float a which may be cylindrical or conical, is provided with one or more wires b, e forming parts of a potentiometer, the resistance varying according to the position of the float. The wires may be of different materials or different diameters.
Patent GB-1128992-A (GB)
Title: Adhesive composition
Inventor: FISHER KENNETH
IPC: C04B28/26
Filed: 1966-06-06
Abstract: 1,128,992. Silicate adhesive. MORGANITE RESEARCH & DEVELOPMENT Ltd. 31 July, 1967 [6 June, 1966], No. 25109/66. Heading C4X. An adhesive composition comprises 25 to 50% by weight of a sodium silicate solution containing at least 20% by weight solids, and from 75 to 50% by weight of a dry powder mixture comprising 5 to 15 parts by weight of calcium aluminate, 0À3 to 3 parts by weight of a compound which releases ammonium ions in solution, and 1 to 5 parts by weight of iron and/or a stoichiometrically equivalent amount of iron oxide or an iron salt or a mixture thereof. The powder may contain up to 50% of its weight of a filler such as quartz, alumina or sand. Suitable ammonium compounds are the chloride and carbonate.
Patent GB-997776-A (GB)
Title: Compositions comprising petroleum-wax and homopolymers or copolymers of ethylene
IPC: C09D191/00
Filed: 1963-06-25
Abstract: A wax composition comprises a major amount of petroleum wax and a minor amount of a copolymer of ethylene with higher alpha olefins having an ethylene content of more than 95 mol. per cent or a homopolymer of ethylene, the polymerization product having an intrinsic viscosity as measured in decahydronaphthalene at 135 DEG C. of at least 6 dl/g.  Proportions of 55-85 wt. per cent of wax and 45-15 wt. per cent of polymer are specified.  Copolymers specified are ethylene with propylene and/or butylene-1.  The composition may also contain at least one copolymer of ethylene with higher alpha-olefins having an ethylene content of less than 95%.  The wax component may be (1) a heavy distillate wax separated from lubricating oils and having a melting range of 63-79 DEG  C., (2) a wax separated from microcrystalline wax, or (3) a composition of 40-60% normal crystalline paraffin wax, about 25% heavy distillate wax, 5-20% microcrystalline wax and 0-40% of plastic paraffin wax. The composition may also contain fillers, e.g. kaolin pigments and/or other colouring matter. Specifications 997,775 and 997,776 are referred to.ALSO:A wax composition comprises a major amount of petroleum wax and a minor amount of a copolymer of ethylene with higher alpha olefins having an ethylene content of more than 95 mol. per cent or a homopolymer of ethylene, the polymerization product having an intrinsic viscosity as measured in decahydronaphthalene at 135 DEG  C. of at least 6 dl/g.  Proportions of 55-85 wt. per cent of wax and 45-15 wt. per cent of polymer are specified.  Copolymers specified are ethylene with propylene and/or butylene-1.  The composition may also contain at least one copolymer of ethylene with higher alpha-olefins having an ethylene content of less than 95%. The wax component may be (1) a heavy distillate wax separated from lubricating oils and having a melting range of 63-79 DEG  C., (2) a wax separated from microcrystalline wax, or (3) a composition of 40-60% normal crystalline paraffin wax, about 25% heavy distillate wax, 5-20% microcrystalline wax and 0-40% of plastic paraffin wax. The composition may also contain fillers, e.g. kaolin pigments and/or other colouring matter. Specifications and 997,775, 997,774 are referred to.
Patent GB-169897-A (GB)
Title: Improvements in railway rail joints
IPC: E01B11/24
Filed: 1920-09-07
Abstract: 169,897. Mulzer, H. R. Sept. 7, 1920. Rail joints, scarf and like.-One rail end 1 has a base extension 3 of increased width with side flanges 4 and a downwardly inclined seat for the base extension of the adjoining rail 2 of ordinary width. The overlapping base portions have holes for bolts 7, and rectangular slots for spikes to secure the joint to sleepers. Packing-plates 9 may be used.
Patent GB-988246-A (GB)
Title: Underwater guide line apparatus
IPC: E21B41/10
Filed: 1961-07-17
Abstract: 988,246. Wells &c. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. July 17, 1961 [July 18, 1960], No. 25855/61. Heading E1F. [Also in Division B8] Apparatus for guiding equipment 38 to a subaqueous well, or to a predetermined position within a body of water, comprises a platform or vessel located above the well or position, a base 18 fixed at the well or position guide cables 32,- -34 extending from the platform or vessel to the base, and remotely operable disconnectible latching means 35, 36 connecting the cables to the base. The cables are secured to hold down members 35 fixed within posts 21,- -23 on the base, and the equipment has bosses such as 43, 44 slidable on the cables. Each cable carries a latch 36 having a body 36b carrying dogs 46, 47. The dogs are expanded by springs 53, 54 to engage a member 35, and are retracted by moving a rod 57 having a weight bar 37 upwardly. Normally the rod is fixed to the body by balls 60, 61, a tube 50 being dropped down the cable to move a shell 58 and free the rod from the balls so that tension on the cable retracts the dogs to permit the cable to be raised. If the dogs fail to retract the cable tension is increased to break the rod at 65 to permit the cable to be removed, and the latch body to fall away from the member 35. In a modification each latch is held in a depression at the top of a post, and the weight bar carries a cover which is removed by shearing pins before the tube is dropped. In a further modification inwardly directed dogs engage the underside of a knob at the top of each post, and are retracted when the tube is dropped after a cover is removed.
Patent GB-587226-A (GB)
Title: Improvements in and relating to tiltable induction furnaces
IPC: F27B14/06
Filed: 1944-12-29
Abstract: 587,226. Electric induction furnaces. TAMA, M., and HOFF, J. L. Dec. 29, 1944, No. 26072. Convention date, Jan. 3. [Class 39 (iii)] A tiltable induction furnace of the submerged resistor type is provided with a hearth of cylindrical form 2 with an angular shaped bottom portion, formed by one or more slanting walls 11, 12, inwardly converging towards the bottom of the hearth, and heating channel 5. A hydraulic ram 15 is arranged to tilt the furnace about the axis X. The position of the slanting walls 11, 12 is such that a constant equal discharge of the molten metal is effected during the entire pouring period. A partition 8 extends downwardly from the top of the furnace to' prevent slag forming a surface layer on the melt passing into the spout chamber 13.
Patent GB-1028431-A (GB)
Title: Control of aquatic plants
IPC: A01N47/02
Filed: 1964-06-24
Abstract: A method of controlling aquatic living organisms consisting of aquatic plants, molluscs and/or crustaceans, comprises applying to at least one of said organisms, either directly or to an aquatic medium adjacent to said living organisms, hexachloro-and/or hexabromo-dimethyl sulphone.  Wood may be treated with a composition comprising at least one of said sulphones in order to prevent barnacle fouling or teredo infestation.
Patent GB-377011-A (GB)
Title: Improvements relating to the manufacture of articles of steel alloys
IPC: C22C38/22
Filed: 1931-09-18
Abstract: Articles required to resist stresses occurring as a result of explosions or detonations, such as high-pressure steam boilers, gas containers, chemical apparatus, gun barrels, rifle barrels, &c., but not including projectiles or armour plate, are made from steel alloys containing over 2 and up to about 4,5 per cent of chromium, 0,08-0,3 per cent of carbon, and 0,15-1 per cent of molybdenum or about double that amount of tungsten, with or without up to 1,9 per cent of nickel.  Specifications 354,965 and 361,856 are referred to.
Patent GB-362496-A (GB)
Title: Improvements in paper sheet or signature handling machines
IPC: B65H45/14
Filed: 1930-09-03
Abstract: 362,496. Delivery apparatus for sheet-folding &c. machines. CAMCO (MACHINERY), Ltd., 63, Farringdon Street, London. Sept. 3, 1930, No. 26318. Convention date, Jan. 2. [Class 100 (i).] In a sheet-folding or other paper-handling machine in which a feed-table forwards the sheets from one paper-handling unit to another, the feedtable is mounted on a support which can be displaced so as to move the feed-table to inoperative position when it is desired to put a delivery or stacking device in its place. As shown, the sheets after passing through a set of buckling-folders 23..26, Fig. 4, are fed by rollers 29,30 to an inclinedroller feed-table 41 bv which they are forwarded to a set of cross-folders 74, 75, Fig. 1, from which the sheets are delivered by rollers 77, 78 to a slowmoving conveyer 83. The frame 38 of the table 41 has brackets 55, 56 thereon which are pivoted on rods 53,54 respectively carried by levers 51, 52 fixed to shafts 49, 50 on the main framing 10. Heavy coiled springs 57 on the shafts 49, 50 partially counterbalance the weight of the table 41 which is held in its raised or operative position by the engagement of a gravity catch 62 with the rod 53 and rests against stops 66, 67 in its inoperative position. If desired, the springs 57 may be of sufficient strength to hold the table 41 raised in which case a catch is provided to secure it in its inoperative position. A gear wheel 48 on a shaft carried by the table engages a driving gear 31 when the table is in its operative position, and thus drives a belt 42 engaging the rollers of the table. The delivery conveyer 83 is mounted on a removable frame 80 and is driven when in the position shown in Fig. 1, by the engagement of a gear wheel 86 on the frame with a gear on the shaft of the delivery roller 78. The frame 80 rests on fixed side-rails 79 and is secured thereto by pivoted bolts 87 and wing-nuts engaging slots on the frame. Fixed to the main framing 10 adjacent to the movable table 41 are headed pins 90 adapted to removably support a pair of rails 88 similar to the rails 79 and slotted to fit over the pins 90. When it is desired to deliver the sheets direct from the folders 23 .. 26, the table 41 is swung downwardly to its inoperative position and the frame 80 is removed from the rails 79 and fixed to the rails 89 by pivoted bolts 87. In this position, the gear 86 engages a gear wheel on the shaft of the roller 29. Specifications 233,353 and 288,589, [both in Class 100 (i), Feeding and delivering webs &c.], are referred to.
Patent GB-508159-A (GB)
Title: Improvements in friction brakes
IPC: F16D69/02
Filed: 1938-09-09
Abstract: 508,159. Fabrics. GENERAL MOTORS CORPORATION. Sept. 9, 1938, No. 26351. Convention date, Sept. 13, 1937. [Class 142 (iv)] [Also in Groups XXXIV, IV, V, and VIII] A brake shoe 7 having a layei 13 of conventional friction ma. terial has a layer 15 of fibrous glass, which may be woven, between the shoe and the friction material. Or, a brake shoe has a friction layer consisting of glass fibres woven into a fabric. A binder such as colloidal lead, a resinous compound or a condensation product may be used with the glass fibres or fabric and strands of metal may be added. Asbestos may be associated with the woven glass. According to the Specification as open to inspection under Sect. 91, the glass fibres in the friction layer 13 may comprise fibrous glass. This subject-matter does not appear in the Specification as accepted..
Patent GB-390420-A (GB)
Title: Improvements in or relating to couplings for driving shafts
IPC: F16D47/02
Filed: 1932-09-23
Abstract: 390,420. Clutches. BOSCH AKT.- GES., R., 4, Militõrstrasse, Stuttgart, Germany. Sept. 23, 1932, No. 26453. Convention date, Oct. 2, 1931. [Class 80 (ii).] A coupling, more particularly for driving apparatus connected by gearing with internalcombustion engines, comprises the series arrangement of a resilient coupling 6 with a friction plate-clutch of the self-tightening and overload-release type, such as that described in Specification 366,300 wherein a torqueresponsive nut 11 effects a self-tightening of the clutch plates 12, 14 and also has endprojections 22 which, on excessive movement of the nut in the tightening direction, abut against the annular spring presser-plate 19 of the clutch to reduce the pressure on the clutch plates and protect the driven member, e.g. a dynamo, from overload shocks. The nut 11 is mounted on a threaded sleeve 8 integral with the driven three-armed spider 10, which is bolted to the flexible disc 6 of the resilient joint. The spring plate 19 acts on the clutch plates through a presser-plate 18, and the clutch allows overrunning of the driven member. The Specification as open to inspection under Sect. 91 refers to the application of the coupling to motor-vehicles. This reference does not appear in the Specification as accepted.
Patent GB-207795-A (GB)
Title: Cold storage accumulator or battery
IPC: F25D3/00
Filed: 1923-10-23
Abstract: 207,795. Soc. Anon. de Travaux Dyle et Bacalan. Nov. 30, 1922, [Convention date]. Void [Published under Sect. 91 of the Act]. Cold-accumulators.-A saline solution or a mixture of liquids such as alcohol and water used as the coldstoring medium is rendered immobile, to prevent separation into its constituents during cooling, by suspending in the liquid a porous substance such as cotton, sawdust, mineral wool, &c., or by adding to the liquid a substance such as gelatine or fat having the property of setting or coagulating the liquid before it freezes. The liquid may be cooled by the evaporator of a refrigerating machine or by cold brine, and may serve to cool brine or other liquid or gases circulated through it, or the uncongealed part of the liquid itself may be circulated as a cooling-agent. In the arrangement shown in Fig. 1, the evaporator 3 of a refrigerating-machine. cools a mixture 5 contained in a beat-insulated tank 1. The evaporator rests on a perforated shelf 4, and the uncongealed liquid may be circulated as a cooling agent through an outlet pipe 7 and return pipe 6. In the arrangement shown in Fig. 3, the cold-storing medium 5 surrounds a tank 9 through which brine flows, the cold being derived from evaporator coils 3. In the arrangement shown in Fig. 5, the cold-storing medium 5 is contained in a, heatconducting drum 10 and is cooled by brine passing through a gilled pipe 11. The external medium to be cooled is subsequently circulated through the same gilled pipe. In a further arrangement, shown in Fig. 6, the cold-storing medium 5 is contained in a corrugated drum 12 surrounded by brine 9 cooled by evaporator coils 3; or the evaporator coils may be located within the coldstoring medium.
Patent GB-407944-A (GB)
Title: Improvements in or relating to the production of ethylene from ethyl alcohol and ethyl alcohol from ethylene
IPC: C07C1/24
Filed: 1932-09-26
Abstract: The catalytic hydration of ethylene to produce alcohol and the catalytic dehydration of alcohol to produce ethylene are effected in the presence of strontium metaphosphate which may be employed alone, viz. in association with known catalysts and/or with supports such as pumice or asbestos.  The reactions are preferably effected in the vapour phase, and pressure may be employed especially for the hydration of ethylene, 100 atmospheres being mentioned.  The catalyst may be prepared by heating one molecular proportion of strontium carbonate with two molecular proportions of aqueous phosphoric acid the mixture being evaporated to dryness and dried at a temperature not above 300 DEG  C.  In examples: (1) ethyl alcohol is passed over the catalyst at 250 DEG  C. and atmospheric pressure; (2) a mixture of 70 volumes of ethylene and 30 volumes of steam is passed over the catalyst at 290 DEG  C. and 100 atmospheres pressure.
Patent GB-536095-A (GB)
Title: Improvements in or relating to containers for liquids
IPC: B64D37/08
Filed: 1939-09-29
Abstract: 536,095. Tanks. MAGNESIUM ELEKTRON, Ltd., and WINTER, D. B. Sept. 29, 1939, No. 26865. [Class 69 (i)] A tank, such as a fuel tank for aircraft, has spaced stiffening ribs, and curved baffles arranged obliquely to the ribs and attached to two or more thereof, there being one or more sets of baffles each comprising two baffles with adjacent edges and opposite edges spaced apart, and another baffle with one edge between said spaced edges and extending away from the two baffles to form one or more sinuous passages. The baffles may be stiffened as by corrugations or flanges. The tank comprises panels 7 welded at 9 to T-shaped ribs 8 and end caps 12, 13, welded at parts 14, 15, spaced from the nearest ribs 8. Baffles 21, 22 are welded to one rib 8 with their edges adjacent, the opposite edges being spaced and welded to the next rib 8 ; a further baffle 23 extends from the latter rib 8 to the next rib. A similar set of baffles 24, 25, 26, is reversely arranged as shown. Further baffles 27, 28, 32, 33, are also provided. The edges of the baffles adjacent the tank shell are spaced therefrom. A gusset plate 38, Fig. 3, is riveted to the ribs 8, and angle strips 37 are riveted to the baffles and bolted to the ribs 8 and gusset plates.
Patent GB-1431492-A (GB)
Title: Flame retardant polyester compositions dye precursors for pressure-sensitive recording material
IPC: C08K5/06
Filed: 1973-06-05
Abstract: 1431492 Flame retardant polyester compositions MICHIGAN CHEMICAL CORP 5 June 1973 [8 Feb 1973] 26872/73 Headings C3R and C3P A composition comprises a polyester, other than polyethylene terephthalate and polyester fibres, and, as flame retardant, a compound of the formula in which Z is a bromine atom, m and m<SP>1</SP> are integers of 1 to 5 and T is a C 1 _ 6  alkylene or alkylidene group. The flame retardant may be present in an amount of from 5 to 25% by weight, based on the composition. The composition may contain 1 to 15% by weight, based on the composition, of a further flame retardant, antimony trioxide and zinc borate being used in the examples. The composition may also contain fillers, many being specified. The examples describe polybutylene terephthalate and an unsaturated polyester containing cobalt octoate and methyl ethyl ketone peroxide with the following flame retardants:-