baber/WOPTO huggingface dataset:
Patent GB-1423977-A (GB)
Title: Urea synthesis with heat recovery and ammonium carbamate recirculation
IPC: C07C239/00
Filed: 1974-05-14
Abstract: 1423977 Urea I MAVROVIC 14 May 1974 [13 June 1973] 21384/74 Heading C2C Urea is synthesized from ammonia and carbon dioxide in a process in which a first aqueous urea solution comprising urea, ammonium carbonate, ammonia and water is produced at elevated temperature and pressure, the process comprising (a) reducing the pressure and heating the first aqueous urea solution in a first carbamate decomposing zone to decompose from 10 to 60% by weight of the ammonium carbamate therein to ammonia and carbon dioxide, (b) heating the first aqueous urea solution in a second carbamate decomposing zone to decompose additional ammonium carbamate to ammonia and carbon dioxide and to produce a liquid phase comprising urea, water, residual ammonium carbamate and residual excess ammonia, and a gaseous phase comprising carbon dioxide, ammonia and water, (c) separating the gaseous phase and the liquid phase, and (d) contacting this gaseous phase, urea and fresh carbon dioxide to form ammonium carbonate in indirect heat exchange with the first aqueous urea solution, the quantity of urea so contacted being such that the reaction product has a urea to water weight ratio of 0À1 : 1 to 1À6 : 1.
Patent GB-1444055-A (GB)
Title: Process for manufacture of rubber-modified copolymers of an olefinic nitrile and a vinyl aromatic monomer
IPC: C08F279/00
Filed: 1974-05-15
Abstract: 1444055 Graft polymerization process STANDARD OIL CO 15 May 1974 [31 May 1973] 21472/74 Heading C3G A thermoplastic composition is produced by the polymerization of 100 parts by weight of (A) at least 50% by weight of at least one nitrile having the structure wherein R is hydrogen, a C 1  to C 4 -alkyl group or a halogen and (B) up to 50%, based on the combined weight of (A) and (B) of a vinyl or vinylidene aromatic monomer in the presence of 1 to 40partsof(C)arubberypolymerof butadiene or isoprene and at least one vinyl or vinylidene aromatic monomer or nitrile monomer as defined under (A), wherein said rubbery polymer contains from 50 to 95% by weight of polymerized conjugated diene and the remainder being polymerized vinyl or vinylidene aromatic and/or nitride monomer and wherein (A) and (B) are added simultaneously to (C) at a rate no greater than that designated by the formula wherein "T" represents the polymerizing temperature in C. and "y" represents the minimum time in minutes for adding components (A) and (B) to (C) in order to obtain a resin having a maximum haze level of 40%. Examples are given of the polymerization in aqueous emulsion of acrylonitrile and styrene in the presence of a copolymer of butadiene with acrylonitrile and/or styrene.
Patent GB-571794-A (GB)
Title: Improvements in or relating to guards for drills and other similar tools
IPC: F16P1/02
Filed: 1943-12-22
Abstract: 571,794. Machinery guards. VICKERSARMSTRONGS, Ltd., and COOK, B. E. Dec. 22, 1943, No. 21477. [Class 80 (iv)] A guard for a drill or similar tool comprises two sleeves arranged for relative telescopic movement and adapted to enclose the tool, at least that part of the guard which is adjacent the working tool being made of transparent synthetic resin. In the form shown, both sleeves are of transparent synthetic resin, preferably of the acrylic type, such as that known under the Registered Trade Mark " Perspex'" The sleeves are extended by a spring 13 resting on a retainer 14. The lower sleeve 12 has two sets of spaced apertures formed in it, a flanged nut 18 being riveted to the inside of the sleeve to register with each aperture. Two diametrically opposite slots 18A are formed in the upper sleeve 11 to receive the heads of screws 17 adapted to be screwed into any opposite pair of the nuts. To adjust the guard, the lower sleeve is allowed to descend until its lower edge is about level with the end of the drill. The screws 17 are then inserted through the slots 18A into their appropriate nuts at or nearest to the bottom of the slots. A clamping ring 19 secures the guard to a member 20 which may move with the drill but not rotate. In a modification, the upper sleeve 11 is secured to the wall of an openended cylindrical box by nuts similar to the nuts 18, the'upper end of the box being secured to the machine and the lower edge having lugs to form abutments for the spring 13. A suds adapter 16 may be fitted above a protector ring 15, Fig. 1.
Patent GB-285740-A (GB)
Title: Improvements in or relating to transportation systems
IPC: B60P3/03
Filed: 1927-08-15
Abstract: 285,740. Liebl, H. J. Aug. 15, 1927. Vans.-Relates to means for transferring valuables from a building such as a bank and loading them into a motor vehicle constructed for safely carrying such valuables. The motor vehicle is provided with a tower 21, Figs. 1 and 4, adapted to be raised to register with a tunnel and lowered when the vehicle is loaded. The tower is operated by means of a post 71 having sheaves over which a cable is run and a winch 74 operated by hand gears. The tower is provided with lateral openings closed by doors 83 and plates 19 are provided adapted to bridge the space between the vehicle and the tunnel. A hood 90, 91 is adapted to slide to either side to cover the end of the tunnel when the vehicle is being loaded.
Patent GB-922865-A (GB)
Title: Improvements relating to heel protectors
IPC: A43C13/00
Filed: 1959-06-23
Abstract: 922,865. Heel caps. SNAP-ON HEELS (U.K.) PTY. Ltd. June 23, 1959 [June 27, 1968], No. 21538/69. Class 17 (3). A heel cap of mouldable material has embedded in the tread 12 one or more members each having at least one prong 14 extending upwardly above the tread, and at least one prong 15, 18 extending downwardly in the tread. The cap shown in Fig. 4 includes a number of members which are straight or curved to conform to the heel contour, and each of which has one prong 14 and one prong 15. The member shown in Fig. 6 comprises a disc-like plate 17 with a number of integral prongs 14, 18. Prongs 14 bite into the heel tip of the shoe. Wall 13 is flexible and/or elastic. Specification 751,526 is referred to.
Patent GB-441769-A (GB)
Title: Improvements in heat insulating units
IPC: E04B1/80
Filed: 1934-07-24
Abstract: 441,769. Nonconducting coverings for heat. CAMPBELL, A. J., Oulton Croft, Stone, Staffordshire. July 24, 1934, No. 21598. [Class 64 (ii)] [See also Group X] Heat - insulating units consisting of exhausted hollow tubes 27 are supported side by side by two sets of parallel wires 38, on which heat-insulating washers or other members 39 are threaded. Alternatively, the two sets of wires are arranged transversely one of the other to form a mesh in plan. The tubes 27 may be replaced by rectangular hollow bricks 40, Fig. 2, of glass or fused quartz, and the wires 38 may be arranged in tubes 41 as shown, or externally. The inner and/or outer surfaces of the units may be silvered, and they may be protected by metal sheets or casings, and the spaces around the units may be packed with slag wool or asbestos. Alternatively, the units may be embedded in kieselguhr or cork dust.
Patent GB-223203-A (GB)
IPC: B60J1/20
Filed: 1924-09-12
Abstract: 223,203. Naamlooze Vennootschap Instituut voor Aero-en Hydro Dynamiek. Oct. 12, 1923, [Convention date]. Surface friction, reducing.-Structures that move relatively to a medium, such as automobiles, ships, airships, railway vehicles, torpedoes, or projectiles, are constructed in such a manner that at or near the transition places of the boundary form the loss of velocity brought about by the friction of the stream layer flowing along directly on the surface is eliminated by sucking away the boundary layer or by blowing it by means of a medium of substantially the same character. In a road vehicle, Fig. 2, apertures 17 - - 19 are arranged near the front edges 15 of the roof 14 and apertures 21, 22 on the rear wall 20, through which apertures air is withdrawn or discharged. Similar apertures 33 - - 39, Fig. 3, are arranged as shown in a ship. In structures having apertures through which air is sucked, the apertures are inwardly funnelled as shown at 47, Fig. 5, which diagrammatically represents an airship, while in structures as shown in Fig. 6 wherein air is forced out, the apertures 60 - - 62 are formed as nozzles tangential to the surface.
Patent GB-531522-A (GB)
Title: Improvements in the coating of conducting bodies by electrophoresis
IPC: C25D13/00
Filed: 1939-07-25
Abstract: 531,522. Electrophoresis. GENERAL ELECTRIC CO., Ltd., and BENJAMIN, M. July 25, 1939, No. 21630. [Class 41] The process described in Specification 514,849 which consists in applying coatings to electric conductors by electrophoretic deposition from a non-colloidal suspension in acetone or other suitable organic liquid containing also an organic binder, such as nitro-cellulose in solution, is extended to the deposition of other substances such as alumina (for example, on thermionic cathodes and searchlight carbons) and amorphous carbon (on the electrodes of discharge devices of high thermal emissivity). Other liquids mentioned as being suitable are methyl alcohol (for alumina) and a mixture of acetone and ethylene glycol. Specification 444,723 also is referred to.
Patent GB-532694-A (GB)
Title: Improvements in machines for the manufacture of cakes of moulded material
IPC: B30B11/16
Filed: 1939-07-27
Abstract: 532,694. Moulding machines; metal rollers. BIBBY & SONS, Ltd., J., and KILLIP, R. E. July 26, 1939, No. 21702. [Class 87 (ii)] [Also in Group XXII] A machine for the manufacture of cakes or pellets of moulded material, e.g. cattle cakes or poultry pellets comprises rollers in which spherically-surfaced pockets are formed in a row by drilling with rose-bits or drills of spherical shape. The pockets are preferably arranged in quincunx formation, and may be hemispherical or have a surface less than half a sphere. In order to avoid splitting of the cakes through adhesion to both rolls, grooves 5 are provided between rows of pockets 6 on one roller 7, which co-operates with fixed pointed knives 8 to lift the cakes out of 'the moulds.
Patent GB-471342-A (GB)
Title: Method and devices for the obtainment of fluid streamline contours
IPC: B62D35/00
Filed: 1936-08-06
Abstract: 471,342. Reducing resistance to motion. HUET, A. Aug. 6, 1936, No. 21716. Convention date, Aug. 10, 1935. Addition to 438,991. [Class 4] Resistance to motion of a material body through a fluid is reduced by the combination with means as described in the parent Specification of a rear apparatus which includes convex surfaces, disposed to the rear of the mass of fluid moving with the body to ensure stability of the mass. In one form, deflectors a<1>, a<2> are placed in front of a body A and co-operate with rear deflectors c<1>, c<2>. Secondary deflectors b<1>, Fig. 1, and d<1>, d<2>, e<1>, e<2>, Fig. 3, may be provided. The deflectors a<1>, a<2> may be convex towards the front, and the rear deflectors a<1>, a<2> may be combined and associated with secondary deflectors. A solid body of streamline form may be situated behind the deflectors a<1>, a<2>. Deflectors a<1>, a<2>, g and c may be disposed on a motor car as indicated in Fig. 10. The deflectors may be situated between the bonnet and the hood of a motor vehicle, on either side of a window or a hood opening, or between two adjacent railwaycarriages and may be pivoted for manual or automatic control.
Patent GB-300689-A (GB)
Title: Improvements in presses for drawing sheet metal and the like
IPC: B21D24/02
Filed: 1927-08-18
Abstract: 300,689. Fitzpatrick, H. D., (Marquette Tool & Manufacturing Co.). Aug. 18, 1927. Cupping.-In a drawing-press a crank-reciprocated die 12 co-operates with a stationary die 16 and a work-holder 17 supported by rods 18 and plate 19 attached to a plunger 24. When the holder is depressed, springs 30 supported by fixed rods 28 are compressed and the plunger expels liquid through adjustable spring valves 38 to the top of the plunger. On the upstroke of the die 12 the springs 30 raise the plunger and the workholder and the liquid is forced through a valve 58 beneath the plunger. In a modification, the exhaust of the liquid from the top of the plunger is regulated by a mechanically-actuated valve. The invention may be applied to a double-acting press.
Patent GB-244511-A (GB)
Title: Improvements in or relating to induction motors
IPC: H02K17/30
Filed: 1924-09-15
Abstract: 244,511. Sen, P. K. Sept. 15, 1924. Alternating - current induction machines.- For improving the power factor of a squirrel-cage induction motor, a stationary condenser 7 is connected to brushes 6 bearing upon the rotor end - ring 5. The arrangement may be applied to both endrings, and the brushes of one ring may be staggered relatively to the brushes of the other ring. The brushes may be mounted so as to be angularly movable either individually or together. Fig. 3 shows a threephase system in which the brushes 6 are carried by a disc 8 supported on ball bearings 9 on the shaft 10. The condensers may be housed within a casing concentric with the rotor shaft, and the capacity may be adjusted by a switch member angularly movable about the rotor axis and arranged to vary the number of condenser plates in circuit.
Patent GB-687515-A (GB)
Title: Improvements relating to mechanical control mechanisms
IPC: B61H13/32
Filed: 1950-09-05
Abstract: 687,515. Uncork. WESTINGHOUSE BRAKE & SIGNAL CO., Ltd., and BRACKENBURY, A. G. Aug. 15, 1951 [Sept. 5, 1950], No. 21837/50. Class 80 (iii). [Also in Group XXXIV] Movement of a member 2 in a slot 1 is effected by the conjoint action of two independent controlling members 9, 10 in guides 8, 11 respectively so that its movement is dependent on the member which is moved to a lesser extent. The member 2 is coupled by links 3, 5 and 13 with the members 9, 10 and if member 9 is moved from the position of Fig. 1 to that of Fig. 2 the link 3 swings about 2 and no substantial movement of member 2 is effected; movement of member 10 will however then effect a corresponding movement of member 2 until its movement equals that of member 9. Further movement of 10 will result in the link 3 swing- ing in the other direction and not transmitting this movement to member 2. The slight movement of member 2 during the swinging movements of link 3 can be compensated for if desired by extending the link 3 and arranging a pin and cam slot connection with the member 2. A particular application is said to be for adjusting the braking apparatus of a goods wagon so as to be dependent upon the more lightly loaded axle, the members 9, 10 being movable in accordance with the load on the two axles respectively and the member 2 controlling for example the variable leverage of the braking apparatus.
Patent GB-239364-A (GB)
Title: Method of producing steam by using oilshale as fuel
IPC: F22B3/00
Filed: 1924-09-16
Abstract: 239,364. Rekord-Zement Industrie Ges., and Tetens, O. Sept. 16, 1924. Carbonizing processes.-Oil is distilled from a mixture of limestone and shale in a bunker c feeding a number of flared tubes a wherein the charge is burned to heat a boiler b.
Patent GB-1383772-A (GB)
Title: Electrical resistance devices for measuring temperature
IPC: G01K1/14
Filed: 1972-05-10
Abstract: 1383772 Temperature variable resistances PFAUDLER-WERKE AG 10 May 1972 [11 May 1971] 21907/72 Heading H1K A resistance thermometer assembled on an enamelled support, e.g. a tube, comprises a four wire supply circuit enabling measurement to be made independent of wiring resistance, in which pairs of Pt wires from terminals A, B, C, D are bridged and connected at junctions 1, 2 to a measuring loop E, of Pt strip folded into elongate parallel paths. The remote end of the loop is bridged at 3 to establish a predetermined resistance value, and the input wiring, the bridges 1, 2, 3, and the loop are coated and fired with several enamel layers while leaving a window F free from enamel overlying a further bridge 5 and a zone of the loop, so that the resistance of the latter may be accurately adjusted by positioning the bridge. Thereafter enamel is applied to the window zone and fired on to insulate and protect the loop. Alternatively the loop may be coiled about the tube.
Patent GB-706322-A (GB)
Title: Improvements in pipe joints
IPC: F16L37/12
Filed: 1950-09-06
Abstract: 706,322. Pipe joints. GILL, J. Aug. 20, 1951 [Sept. 6, 1950], No, 21922/50. Class 99 (1). A spigot-and-socket joint is formed by coupling members which are secured to the aligned pipes and comprise a stepped sleeve 2 and a flanged sleeve 6. The sleeve 6 bears on a packing ring 5 located in a recess formed by the step of sleeve 2 and the projecting end 1a of the pipe 1. The coupling sleeves are drawn together by hooked members 7 which engage a shoulder of sleeve 2, pass through holes in the flange 8, and are secured by wedges (not shown) which are driven through slots 9 in the members 7 to bear against the flange.
Patent GB-355469-A (GB)
Title: Improvements in or relating to ventilating fans
IPC: F04D25/10
Filed: 1930-07-22
Abstract: 355,469. Centrifugal fans. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London, and JENNINGS, D. A., of General Electric Co., Witton, Birmingham. July 22, 1930, No. 22113. [Class 110 (i).] A ventilating fan driven by an electric motor 16 delivers a stream of air through an opening in the casing ; the air passing through the fan acts upon a member attached to the casing thereby causing the latter to rotate so that the air stream sweeps over a wide area. The fixed support consists of a base 1, top plate 3 and bottom plate 2 connected by rods 4, and crimped wires 10 forming a guard. The fan has blades 24 fixed between a disc 21 and a ring 23 ; the latter is uppermost and it forms the inlet side of the fan. The blades may be pressed from sheet iron and have curved faces 26. The casing 15 has a bottom plate 27, a top plate 28 with a central opening 42. The wall 29 is a cylindrical wall with the same axis as the impeller, but the wall 30 is of involute form ; the walls 29, 30 merge together at the point 34, while at the other side of the gap 41 they are joined by an intermediate wall 33 which is inclined at approximately 45‹ to the diameter at that place. Two vanes 35 are arranged across the gap 41 to deflect the discharging air upwards and downwards. A blade 38 is secured to the wall 30 and may be set in any position about its pivot by means of the screw 39. Air passing through the apparatus acts on this blade and causes the casing 15 to rotate on the bearing 32. Governor arms 44 are carried by pivots 43 on the bottom of the casing, and have leather pads 46 to engage the steel brake ring 47. When the casing 15 commences to rotate, the inertia of the parts keeps the arms against the stop 48, but as the speed increases centrifugal force acts upon the arms and causes the pads 46 to engage the ring 47 to exert a braking effect. An electric heater 51 is supported in the inlet of the fan, and a handle 7 is secured to the top plate.
Patent GB-596419-A (GB)
Title: Improvements in dressing combs
IPC: A45D24/20
Filed: 1946-01-11
Abstract: 596,419. Combs. GOEBEL, E. G. Jan. 11, 1946, No. 22206/45. [Class 131] In a dressing comb 1 combined with a nail file 3 which is slidably inserted in a housing extending substantially the whole length of the backbone of the comb and with an opening at one end only, the comb is made in two parts assembled together the housing being formed from corresponding recesses in the two parts.
Patent GB-922958-A (GB)
Title: Improvements in motor driven pumps
IPC: H02K5/128
Filed: 1960-06-24
Abstract: 922,958. Electric motors. FOSTORIA CORPORATION. June 24, 1960 [Dec. 22, 1959], No. 22231/60. Class 35. [Also in Group XXVI] An electric motor-driven pump unit has a stator housing comprising outer housing section 20, inner end members 11, 12 and sleeve 13, the interior of the sleeve providing a rotor chamber, rotor 68, which may be of the squirrelcage type, being mounted on shaft 67 which is journalled in openings in bearing blocks 60, 61 (e.g. of graphite), which are in engagement with sleeve 13, and the rotor having end plates 69 which bear on facing portions 65 of the bearing blocks. On one end of shaft 67 is mounted an impeller 75 which has a ring 73 secured to it, which ring fits closely to a flange 85 on end plate 27 to provide a constant aperture ; end faces 81, 82 on the impeller and outer end plate respectively define a variable aperture. Some of the fluid in impeller chamber 51 passes via these apertures to return ports 87 and the annular chamber between the apertures provides an axial balancing action on the impeller. A portion of the fluid pumped is returned via connection 37 to the far end of the motor and passes through and over the bearings and rotor, lubricating and cooling them before returning to the impeller through ports 87. The apertures between surface 71 and shaft 67, between rim 30 of end cover 27 and sleeve 13, between rim 47 of end cover 32 and sleeve 13, and between shaft 67 and boss 36 of end cover 32 are suitably dimensioned to act as flame traps, making the motor flame-proof.
Patent GB-440020-A (GB)
Title: Improvements in index tabs for cards or leaves for registers, records and the like
IPC: B42F19/00
Filed: 1935-08-07
Abstract: 440,020. Index tabs. JOHNSON, E., 13, Helgesensgate, Oslo, Norway. Aug. 7, 1935, No. 22289. Convention date, Sept. 7, 1934. [Class 16] An index tab for cards or leaves for registers, records, and the like comprises a rubber sheet 9, housed in a recess 6, 7, 8 in the edge of the card or leaf 12, and provided with a projecting portion 5, which passes through a slit in a celluloid sheet 11, which is folded over the edge of the card or leaf and gummed to both sides of the sheet 9 and card or leaf 12.