baber/WOPTO huggingface dataset:
Patent GB-621343-A (GB)
Title: Improvements relating to electrical resistance elements and alloys for use therein
IPC: H01C7/06
Filed: 1947-02-19
Abstract: An electrical resistance element having a low temperature coefficient of resistance, comprises an alloy of the following composition:-Cr 10-30 per cent.  Al 1-4 per cent, Fe or Mn 0.3-6 per cent, Nn the remainder, the alloy having been annealed at a temperature of 1500 DEG -2200 DEG F. and heat treated for a period of 1-5 hours at a temperature of 800 DEG F.-1100 DEG F.  The alloy may contain deoxidizing and degasifying agents and elements normally found in such alloys, namely, alkaline earth metals, Zr, B, Si, Ti, Th, U, Ta, Nb and rare earth metals.
Patent GB-927884-A (GB)
Title: A tumbler arrangement, particularly for gear changing and electric switches
IPC: F16H63/30
Filed: 1961-02-10
Abstract: 927,884. Actuation of switches; snap-action switching. WESTINGHOUSE BREMSEN G.m.b.H. Feb. 10, 1961 [Feb. 12, 1960], No. 4975/61. Class 38 (5). [Also in Group XXIV] A snap-over mechanism for use with reverse gears in vehicles or with electric switches, comprises a link plate having three eyes at the corners of an isosceles triangle, the two eyes at the base of the triangle being connected by linkages to two points on a fixed member and the other eye being connected by a linkage to a point on a movable member located equidistantly from the two fixed points and biased by a force towards the fixed points, the arrangement being such that the three eyes are capable of pivotal movement in the plane of the plate to effect movement of the plate. As shown, a reversing positive clutch 16 is connected by a lever 15 and a piston-rod 14 to a link plate 9 pivoted by toggle links 7, 8 on a housing 11, a pivot bolt 10 at a point on the plate equidistant from the links sliding in a slot 17 at the end of the piston-rod and connecting the plate through a toggle link 6 &c. to a biasing spring 18. A double-acting servo 12 contains a piston 13 on the rod 14, change of engagement of the clutch 16 being effected by admitting pressure fluid thereto. Alternatively the mechanism may be actuated mechanically, instead of by fluid pressure. In a modification, Fig. 5 (not shown), a link pivoting on the plate 9 is connected to the clutch.
Patent GB-267456-A (GB)
Title: Improvements in or relating to blowing machines for use in the manufacture of hats
IPC: A42C1/02
Filed: 1927-02-22
Abstract: 267,456. Brecht, E., and Fugmann. R., (trading as Brecht & Fugmann). March 12, 1926, [Convention date]. Bodies, forming. - The rotatable bottom 2 of the blowing compartment 1 carries several forming cones 3 instead of one only. A raised edge or flange 6 holds each cone fast. Preferably, the cones are arranged symmetrically.
Patent GB-1495011-A (GB)
Title: Preparation of ketones
IPC: B01J23/89
Filed: 1975-02-03
Abstract: 1495011 Ketones SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 3 Feb 1975 [4 Feb 1974] 05042/74 Addition to 1436887 Heading C2C [Also in Division B1] A process for the preparation of a ketone from an alkene or cycloalkene of 3 or more carbon atoms which is capable of forming a secondary mercaptan by reaction with hydrogen sulphide comprises reacting the alkene with water and hydrogen sulphide or a compound capable of yielding hydrogen sulphide, in the presence of a sulphided metal catalyst supported on a carrier, wherein the metals present in the catalyst are (a) molybdenum, (b) a metal of the group iron, cobalt and nickel and (c) a noble metal of Group VIII of the Periodic Table, and the carrier is alumina or an aluminium-containing compound having a spinel structure. Compounds capable of yielding hydrogen sulphide include mercaptans and dialkyl sulphides. In examples, 2-butanone is prepared.
Patent GB-549419-A (GB)
Title: Improvements in or relating to injection nozzles for internal-combustion engines
IPC: F02M45/08
Filed: 1941-04-18
Abstract: 549,419. Fuel injectors. NATIONAL GAS & OIL ENGINE CO., Ltd., JONES, J., and WALSHAW, T. D. April 18, 1941, No. 5046. [Class 7 (iii)]  A fuel injector is constructed so that two valves d, e controlling sets of orifices #, g respectively, are opened in succession by the' fuel pressure. Unequal leverages 6, 7 may be provided between the valves and A spring m acting through a rod n and ball o. Fuel is supplied by 'a 'conduit p to spaces r, s around the valves, and first lifts the valve e, and later the valve d. Each valve may be supplied by a separate pump, or separate springs may  be fitted to the two valves, or one valve may be larger than the other. The invention is specially adapted for engines using oil or gaseous fuel, a small quantity of oil being injected for ignition purposes in the latter case by the use of one valve only. Specification 542,844 is referred to.
Patent GB-1087603-A (GB)
Title: Production of ª-cyanocaproic acid
Inventor: METZGER HORST
Filed: 1965-02-05
Abstract: e -Cyanocaproic acid is obtained by reacting a -cyanocyclohexanone with an alkali metal glycolate in a glycol as solvent at 150 DEG -250 DEG  C., with substantial exclusion of water, i.e. more than 50 mole per cent of the alkali metal ions present being in the form of glycolate.  The preferred reaction temperature is 150 DEG -250 DEG  C.
Patent GB-843214-A (GB)
Title: Improvements in or relating to steroid compounds
IPC: C07J5/00
Filed: 1955-08-03
Abstract: The invention comprises steroid compounds of the general formula: <FORM:0843214/IV(b)/1> wherein X represents <FORM:0843214/IV(b)/2> or = O and R and R1 represent hydrogen, the formyl radical or an alkanoyl radical containing not more than 8 carbon atoms, and the preparation thereof by heating a compound of the general formula: <FORM:0843214/IV(b)/3> wherein X represents <FORM:0843214/IV(b)/4> or = O and R and R1 represent the formyl radical or an alkanoyl radical containing not more than 8 carbon atoms with an alkali metal salt of an alkanoic acid containing not more than 8 carbon atoms such as sodium or potassium acetate, or an alkali metal formate, and, when R and R1 represent hydrogen in the above general formula of the 2-substituted-steroids, hydrolysing the resulting ester compound. The preferred reactants for the above process are 6-bromo-4-pregnane-17 a ,21-diol-3,11,20-trione 21-acetate and 6-bromo-4-pregnene-11b ,17 a ,21-triol-3,20-dione 11-formate 21-acetate which may be converted into 4 - pregnene - 2, 17 a , 21-triol-3,11,20-trione and 4-pregnene-2,11b 17 a , 21 - tetrol - 3, 20 - dione respectively as well as the corresponding 2,21-diesters defined above such as the 2,12-diacetates.  In the examples, 4-pregnene-2, 17 a , 21-triol-3,11,20-trione and the 2, 21 - diacetate thereof, and 4-pregnane-2, 11b , 17 a ,21-tetrol-3,20- dione and the 11 - formate 2, 21-diacetate thereof are prepared.  6 - Bromo - 4 - pregnene - b 11,17 a ,21 - triol-3, 20 - dione 11-formate 21-acetate is prepared by brominating 4-pregnene-11b ,17 a ,21-triol 11-formate 21-acetate with N-bromo-succinimide.  1,4-Pregnadienes are prepared by treating the 2-substituted steroids of the above general formula with a dehydrating agent such as hydrogen bromide in acetic acid, e.g. the 21-acetate of dehydrocortisone may be prepared from the corresponding 2,21-diacetate-4-pregnene.
Patent GB-162841-A (GB)
Title: Improvements in sparking plugs for internal combustion engines
IPC: H01T13/14
Filed: 1920-02-20
Abstract: 162,841. MacGregor, M. Feb. 20, 1920. Sparking-plugs. - A compression relief tap C is mounted in the body of the plug B.
Patent GB-1218473-A (GB)
Title: Tire grooving apparatus
Inventor: SOMMER ROBERT BUBI
IPC: B29D30/68
Filed: 1968-02-01
Abstract: 1,218,473. Tyre-grooving apparatus. R. B. SOMMER. 1 Feb., 1968, No. 5165/68. Heading B4B. An apparatus for cutting transverse grooves 6b in a tyre 5 having a non-uniformly worn resilient tread comprises indexing means 8, 8a supported by a frame 20 so as to be rotatable about the tyre axis m, and a rotatable cutter 1 having angularly adjustable guide means for varying the depth of cut, the cutter being operable by a handle 15 at the lower end of a link 10 connected to the frame 20. The guide means comprise a cylindrical cam 3 surrounded by an annular cam 4; the cams are formed with flanges which, after relative adjustments have been made between the cams are locked to the link by means of a pin passing through slots in the flanges (Fig. 2, not shown). The cutter is rotatable from a counterbalancing electric motor 11 by means of belt and pulley transmissions. The link is biased towards the frame by means 21 comprising a cord secured at one end to the link and having a weight secured to its other end. The cutter comprises side teeth la, 1b sharpened on alternate sides and interposed raker teeth 1c. Cuttings are removed by means of a conduit 14 secured to a blower 13 mounted at one end of a pivotally-mounted lever 9. The grooves may vary in width and length and those on one side of a circumferential groove staggered relative to those on the other side of the circumferential groove. More than one cutter may be provided.
Patent GB-623116-A (GB)
Title: Preparation of 1, 3-bis-(3-amino-1, 2, 4-triazole)-oxypropenes, and photographic materials containing such compounds as stabilizers for photographic silver halide emulsions
IPC: C07D249/14
Filed: 1947-02-22
Abstract: 1 : 3-Bis-[3-amino- 1 : 2 : 4-triazole-(2)]-3-oxypropene-(1) derivatives of the formula <FORM:0623116/IV (b)/1> wherein R is H or an alkyl group, R1 is an alkyl, aryl, or aralkyl group, and R2 is H or an alkyl or allyl group, are prepared by condensing 1 mol. of a b -ketoester or anilide thereof of the formula R3-CO-CHR4-CO-R5, wherein R3 and R4 are of the same value as R1 and R2 respectively and R5 is an anilino or alkoxy group, with 2 mols of a 3-amino-1 : 2 : 4-triazole of the formula <FORM:0623116/IV (b)/2> wherein R6 is H or an alkyl group.  b -Ketoesters and anilides specified are ethyl acetoacetate, benzoylacetate, a -ethylacetoacetate, a -allylacetoacetate, toluylacetate, propionylacetate, butyrylacetate, and valerylacetate, and the corresponding anilides.  3-Amino-1 : 2 : 4-triazole itself or the 5-methyl-, 5-ethyl-, 5-propyl-, 5-butyl-, or 5-amylderivatives may be used.  The condensation may be effected by heating together the reactants in a solvent such as nitrobenzene, or allowing to stand in a cold aqueous alkaline solution.  Compounds specified are 1 : 3-bis-[3-amino-1 : 2 : 4-triazole-(2)]-1-methyl-3-oxypropene-(1) and the corresponding 1-ethyl, 1-phenyl, and 2-allyl compounds, 1 : 3 - bis - [3 - amino - 5 - methyl - 1 : 2 : 4 - triazole - (2)]-1-methyl-3-oxypropene-(1) and the corresponding 5-propyl and 2-allyl compounds, and 1 : 3-bis-[3-amino-5-ethyl-1 : 2 : 4-triazole-(2)]-1 : 2-dimethyl-3-oxypropene-(1).
Patent GB-124426-A (GB)
Title: Improvements in or relating to the Loading and Unloading of Power Driven Boats and Vessels.
Inventor: CONSTAN PAUL ARMAND JEAN MARIE
IPC: B65G67/00
Filed: 1919-03-04
Abstract: 124,426. Constan, P. A. J. M. July 30, 1917, [Convention date]. Vessels for bulk cargoes.-Consists in loading or unloading power-driven ships or boats by means of a parbuckle apparatus. The ship 1 carries cradles adapted to receive one or more cylinders 2 containing the pulverulent or liquid cargo. The cylinder is girdled at each end by a cable with looped ends for connexion to corresponding cables i passing over guide-rollers r on an inclined track 3 to winches t, t<1>. The winches are driven by worms v, v<1>, the worm v being clutchable to the shaft, and the worm v<1> fixed on it. The worm shaft is driven by gearing k connected to a toothed wheel k<2> on the motor shaft by a chain which is kept taut by a pulley and weight device h. When unloading, both winches are operated to raise the cylinder on to the inclined track. The winch t is unclutehed and the winch t<1> then rolls the cylinder up the track to the discharging position, where hatchways are opened to permit the contents to fall out. A reversal of the operation returns the cylinder to the ship.
Patent GB-749595-A (GB)
Title: Synchronising arrangement, particularly for television apparatus
Inventor: PUGSLEY DONALD JOHN DAVEY
IPC: H04N5/08
Filed: 1952-01-23
Abstract: 749,595. Automatic frequency and phase control systems. PYE, Ltd. Jan. 23, 1953 [Jan. 23, 1952], No. 5401/53. Divided out of 749,573. Drawings to Specification. Class 38 (4). [Also in Group XL (b)] The Specification includes the matter described with reference to Figs. 1 and 4-10 of the drawings of Specification 749,573, but the claims are directed particularly to the synchronization of the framing pulses. Specifications 717,849, [Group XL (c)], and 749,575 are referred to.
Patent GB-1127537-A (GB)
Title: Packaging means
IPC: A63H33/04
Filed: 1967-02-03
Abstract: 1,127,537. Packages for rod-like articles. A. FISCHER. 3 Feb., 1967 [8 Feb., 1966], No. 5403/67. Heading B8C. [Also in Division A6] In a toy building set including building bricks arranged to be joined together by re-entrant tenon-and-groove connections there is provided packing means for a plurality of toy shafts &c. 8, comprising a supporting member defining a plurality of adjacent cavities 4, 14 for receiving the shafts 8 in friction fits, the apertures being shaped such that a building brick tenon can make frictional engagement therein. As described, apertures 4 are of square crosssection and blind-ended in the members 1, 1<SP>1</SP>. The middle portions of the shafts pass through apertures 14 in a member 2. An endless band 7 forming part of the toy set lies in grooves 9 and holds members 1, 1<SP>1</SP> together.
Patent GB-1336113-A (GB)
Title: Method of processing silver halide photographic light sensitive  elements
IPC: F16C11/04
Filed: 1972-02-04
Abstract: 1336113 Fixing FUJI PHOTO FILM CO Ltd 4 Feb 1972 [5 Feb 1971] 5415/72 Heading G2C Developed X-ray film is fixed at 25-50‹C. with a solution containing (in addition to silver halide solvent and other conventional ingredients) an addition product of acetone and sodium bisulphite to accelerate the drying speed. Processing may be effected in an automatic developing machine.
Patent GB-582733-A (GB)
Title: Improvements in or relating to ordnance
IPC: F42B12/68
Filed: 1944-03-23
Abstract: 582,733. Coiling ropes &c. INTERTYPE Ltd. March 23, 1944, No. 5451. Convention date, Feb. 17, 1943. [Class 109] [Also in Group XXI] A cable is fired into the air as a protection against aircraft by firing a projectile to which the end of the cable is attached, the cable being mounted on a base and coiled into concentric layers spaced apart to provide a free passage of the cable as it is paid out from the inner to the outer layers and from the top to the bottom of each layer. The projectile, with the cable secured to an eye, is discharged from a gun around the barrel of which is a cage-like structure comprising a base 7 with spaced circular rows of pins 60 around which the cable is coiled. The cable is given a number of incomplete turns, back and forth on the central member 6 to prevent a sudden tension on the cable on firing ; the cable is then coiled, from top to bottom, on the innermost set of pins and so on to the remaining sets. To eounteract the twist given to the cable during the initial period while the reel is picking up its rotational movement the cable on the inner coil is wound with a reverse twist.
Patent GB-1086754-A (GB)
Title: Method of cold forming metal coil
IPC: B21D33/00
Filed: 1965-02-09
Abstract: 1,086,754. Forming metal foil. VARIAN ASSOCIATES. Feb. 9, 1965 [Feb. 28, 1964], No. 5618/65. Heading B6J. A method of forming thin metal foil into wrinkle-free predetermined shape comprises securing to either side of metal foil 11 a layer 12 of a second metal, forming the assembly 13 between dies 14, 15 into an article shown in Fig. 5, removing the end portions mechanically to form the article of Fig. 6, and etching to remove the second metal, leaving the article of Fig. 8.
Patent GB-978709-A (GB)
Title: Vacuum support for rigid articles such as glass sheets
IPC: B65G49/06
Filed: 1963-02-12
Abstract: In the manufacture of multiple glazed units by welding two sheets of glass together by their edges and separating the inner portions of the sheets, the upper sheet is held by vacuum on a platen which is itself supported by vacuum on <PICT:0978709/C1/1> a second platen so as to facilitate replacement of the first platen.  The glass sheets 68, 70 having passed through the preheating chamber are fed into the welding chamber 14 which includes upper and lower vacuum platen assemblies 44, 80.  The upper assembly can be raised to lift the upper sheet sufficiently to permit the edges when heated to sag into contact with the lower sheet on the assembly 80.  The upper assembly comprises a platen 90 having a recess 92 in its face connected by a pipe 98 to a vacuum pump.  A second platen 100 is held against the platen 90 by vacuum and a recess 102 in its face is connected, by way of an aperture 104 registering with an aperture 106 in an island in the recess 92, to a vacuum pipe 108 so that the upper glass sheet can be raised. The platen 100 is prevented from falling in case of failure of the vacuum by pins 1 and 2. Specification 734,922 is referred to.
Patent GB-192937-A (GB)
Title: Improvements in bodies for motor and like vehicles
IPC: B62D31/00
Filed: 1922-02-25
Abstract: 192,937. RenÚ Tondeur Co., Ltd., and Tondeur, R. Feb. 25, 1922. Bonnets are made integral with, or are bolted to, the main portion A of the body which is secured to the chassis at three points I, J, K, with or without the interposition of rubber cushions. Hinged or other panels are provided on the side faces to give access to the carburettor, magneto, valves, &c.
Patent GB-866086-A (GB)
Title: Improvements in or relating to electric lamp fittings
Inventor: PRICE PETER JAMES
IPC: F21S8/06
Filed: 1958-02-21
Abstract: 866,086. Lamp pendants and wall brackets. DUNCAN PARTNERS & PRICE Ltd. May 21, 1959 [Feb. 21, 1958], No. 5722/58. Class 75(3). In an electric light fitting having a plurality of lamp carrying arms projecting from a carrier body, e.g. a pendant boss or a wall plate, the body is provided with clasp means to receive and retain each of the arms by friction in one of four alternative positions. In the form shown applied to a ceiling pendant, an arm 2 depending from a ceiling rose terminates in a bracket 3 to which are secured a spider 4 and cover plate 6. The spider has a set of radial arms terminating in sockets of square cross-section to receive the squared ends 16 of arms 13 carrying the lamp holders, the current carrying wires passing through the centres of the arms 13. A wall plate carrying similar sockets behind a cover plate is also described.
Patent GB-589886-A (GB)
Title: Improvements in and relating to staircases
IPC: E04F11/022
Filed: 1945-03-08
Abstract: 589,886. Staircases. BRAYBROOK, V. W. March 8, 1945, No. 5753. [Class 20 (iv)] The treads and risers of a staircase are supported by beaver rails 11, 15 cwedged in holes in timber strings, the rails 11 securing the front of the treads 10 and the tops of the risers 14 and the rails 15 securing the rear of the treads and the bottom of the risers. In the form shown the risers are laminated and the top layer is continued around the rail 11. Various alternative sections for the front bearer rail are shown in the Specification. A number of treads, risers and bearer rails may be formed together into composite units or the treads may be formed integral with the rails 11, e.g., by moulding. The outer faces of the strings may be covered with plywood and the rails 15 may provide a fixing for a soffit 17. According to the Provisional Specification the strings may have recesses instead of holes.
Patent GB-231999-A (GB)
Title: An improved device for use in pruning and other cutting operations
IPC: A01D46/247
Filed: 1924-03-06
Abstract: 231,999. Vansittart, E. March 6, 1924. Hand-shears.-A device for pruning and other cutting operations comprises a rod 8 slidably mounted on a handle 6 and a clamp holder 11, 12 having pins 13, 15 for holding a flat blade 7 having at least two per forations, the holder being attached to one end of the rod 8 so that the blade projects beyond t h e handle, with its edge substantially at right angles thereto; the end of the handle adjacent the blade has a lateral projectior 16 which co-operates with the blade to cut an article when the blade is moved towards the handle. As shown the blade is of the Gillette safety-razor type and is clamped between the plates 11, 12 of the holder by a bolt 13 and nut 14 co-operating with the projection 17 cooperated with the projection 16 to hold the article cut. The rod 8 may be mounted in a tubular handle and have a knob 9 projecting through a slot 10 therein for operating the blade.. In a modification, the blade has an inclined edge and a projection on the rod 8 is engaged by a slotted actuating-lever pivoted to the handle.
Patent GB-1248429-A (GB)
Title: 4-phenyl-quinazolinone derivative
IPC: C07D239/82
Filed: 1968-10-28
Abstract: 1,248,429. 2(1H)-quinazolinone derivative. SANDOZ Ltd. 28 Oct., 1968 [30 Oct., 1967; 26 Feb., 1968; 1 July, 1968], No. 5791/71. Divided out of 1,248,428. Heading C2C. The invention comprises the compound of formula and a process for preparing it by reacting 4- methyl-2-isopropylaminobenzophenone with a C 1-5 -alkyl carbamate in presence of a Lewis acid at at least 140 C. Therapeutic compositions for oral or parenteral administration comprise the compound of the above formula, which has anti-inflammatory and analgesic activity. Reference has been directed by the Comptroller to Specification 1,181,570.
Patent GB-1026457-A (GB)
Title: A method of and apparatus for charging electroscopic particles
IPC: G03G15/06
Filed: 1963-02-13
Abstract: 1,026,457. Charging electroscopic toner particles. RANK-XEROX Ltd. Feb. 13,1953 [Feb. 13,1962],No. 5828/63. Heading G2H. Electroscopic powders supplied by an aerosol generator are charged by directing an aerosol spray of such particles from a nozzle 14 on to he surface of a rotating disc 15 of a material which  tribolelectrically imparts a charge to the powder. The powder may be directed on to an electrostatic image or a donor member. The disc may be of  magnesium silicate, grey sandstone, red sandstone, pyrophyllitic, serpentine, oligoclare, spodumene, ' halloysites montmerillonite, bentonite, expoxy resius, nitrocellulose, isocyanate, on an aluminium support, or polyurethane or aluminium. The disc 15 is driven by a motor M-1 which also rotates the nozzle 14 in a housing 79. Fig. 8 (not shown). A  stationary knife 20, Fig. 2, scrapes the disc 15 to present a clean surface to the aerosol spray. Vacuum outlets 36 remove dislodged toner particles. A tube 81 supplies compressed air to a nozzle 22.