baber/WOPTO huggingface dataset:
Patent GB-522755-A (GB)
Title: An improved method of producing selenium rectifiers and selenium photo-cells
IPC: H01L21/10
Filed: 1938-12-15
Abstract: 522,755. Coating with metals. KREUTZER, C. Dec. 15, 1938, Nos. 36543 and 36544. Convention dates, Dec. 17. 1937. and Nov. 26, 1938. [Group 82 (ii)] [Also in Groups XL and' XXXVI] In a method of producing selenium rectifiers and photo-cells, the selenium, during its conversion into the crystalline form, is maintained, without the use of pressure, in surface contact over its entire surface with a material which does not enter into solution or into a chemical compound with the selenium. The amorphous selenium may be applied in a finely comminuted condition to a metal plate, fused, and cooled slowly. The contacting surface employed to ensure an even formation of the crystals may be applied to the selenium at the outset if it is a sheet of metal, mica, etc., but if a liquid e.g. paraffin, it may be applied after the selenium has commenced to fuse. The plate preferably has a raised edge to prevent liquid running off. In another embodiment the amorphous selenium may be first fused on to a foil e.g. of aluminium, preferably at a temperature below the fusing point of crystalline selenium, the foil then being applied to the supporting electrode with the selenium downwards, the supporting electrode also being at a temperature below that fusing point. The foil is readily stripped off either after the forming or after the selenium has been allowed to cool.
Patent GB-1122883-A (GB)
Title: 3-amino-cholestanes and process for their manufacture
IPC: C07J41/00
Filed: 1966-08-16
Abstract: Novel 3 - (secondary aminoacetylamino) -cholestanes wherein the secondary amino group is of aliphatic character e.g. butylamino, cyclohexylamino, and the 3-side chain can have either alpha or beta configuration are prepared by reaction of a 3-amino-cholestane with a halogeno-acetyl halide and reaction of the product with the appropriate primary amine.  The free bases and their acid-addition salts may be interconverted.  The novel steroids are stated to have tumour-inhibiting properties, and they may be incorporated in pharmaceutical or veterinary compositions or added to animal feeds or feedstuff additives.
Patent GB-1529187-A (GB)
Title: Electro-deposition
IPC: C25D5/18
Filed: 1977-09-01
Abstract: 1529187 Electrodeposition INOUE JAPAX RESEARCH Inc 1 Sept 1977 [1 Sept 1976 14 Dec 1976 10 June 1977] 36632/77 Heading C7B Metal e.g. Cu or Ni is electro-deposited on a workpiece by passing an electric current in the form of pulses of duration not greater than 100 microseconds. Preferably the pulse off-time is more than twice the pulse on-time and a reverse-polarity pulse is interposed between adjacent normal-polarity pulses. The flow-rate of electrolyte is preferably more than 5m/second.
Patent GB-1524199-A (GB)
Title: Cable clamp
IPC: F16L3/12
Filed: 1975-09-05
Abstract: 1524199 Band clamp W TUREK 5 Sept 1975 [5 Sept 1974] 36749/75 Heading E2B A band clamp 1 has an arm 2 secured at one end to a base 3 and arranged to pass around cables &c to be clamped, and on its inside, at least one resilient lamella 4. As shown, the arm 2 also has at its free end teeth 6 meshing with teeth 7 on a release key 8, a handle 9 and reinforcements 11. The base 3 may be secured to a panel by its self-adhesive coating 10, screws, nuts and bolts, a resiliently expandable stud (13, Fig. 3 not shown), a push-in foot, or to a rail (18, Fig. 4 not shown) by means of slots (17). The arm may be shaped for flat cables or cables disposed in parallel (Fig. 4 not shown). The arm may be flat or I-sectioned (Fig. 6 not shown); it may be perforated (at 20) and held by prong (23, Fig. 5 not shown) on key 8 and passed through hole (23) in key 8 or base 3 or held by a separate pin (27, Fig. 9, not shown) passing through hole (28) in key 8 and perforation (20). The arm may alternatively have an end slot (25, Fig. 8, not shown) held by pin or screw (26).
Patent GB-996841-A (GB)
Title: Improvements relating to means for damping pressure shocks in hydraulic systems
IPC: C21D8/02
Filed: 1963-09-18
Abstract: 996,841. Hydraulic apparatus. DAIMLERBENZ A.G. Sept. 18, 1963 [Sept. 29, 1962], No. 36795/63. Heading F1 P. [Also in Division F2] An ante-chamber 14 for damping pressure shocks in an hydraulic system is disposed in the pipe 12 connecting a pump 10 to an accumulator 11 and has a duct D 1  leading therefrom to hydraulic operating and/or control devices, not shown. The chamber 14 is defined by a union piece 13 having branches 13<SP>1</SP>, 1311, 13<SP>111</SP> connected respectively to the pipe 12, the accumulator 11 and the devices. The cross-section D 3  of the chamber 14 is larger than the crosssections D 2 , D 1  of branches 13<SP>1</SP>, 1311, and the cross-section D 2  of the branch 13<SP>1</SP> is larger than the cross-section D 1  of branch 13<SP>111</SP>. In a modification the chamber 14 and the branch 13<SP>11</SP> have the same cross section.
Patent GB-923238-A (GB)
Title: Improvements in or relating to air conditioning systems for aircraft
Inventor: FITT PETER WILLIAM
IPC: F24F5/00
Filed: 1959-10-30
Abstract: 923,238. Ventilating aircraft &c. NORMALAIR Ltd. Oct. 31, 1960 [Oct. 30, 1959], No. 36858/59. Class 137. Fresh air from the engine intake 42 and pipe 41 and recirculated air from the cabin 7 and fan 10 are mixed and flow through cooler 1 and deodorizer 3 back to the cabin which has vents 30 opening automatically to give a maximum pressurization. Oxygen from supply 4 is supplied to the conditioned air downstream of deodorizer 3 when required. The cooler 1 is the evaporator of a compression refrigerating system 20, the condenser 24 of which is cooled by ram air. A cooler 40 in pipe 41 is also cooled by ram air. An ozonizer may be provided.
Patent GB-1282583-A (GB)
Title: New carbamoyl formoximes, process for their production
IPC: C07D307/14
Filed: 1969-07-23
Abstract: 1282583 Pesticides comprising 1-cyano-O- carbamoyl-formoximes AGRIPAT SA 23 July 1969 [24 July 1968] 36917/69 Heading A5E [Also in Division C2] Pesticidal compositions comprise, as active ingredient, a compound of formula 1 in which R 1  is H or substituted or unsubstituted C 1-5  alkyl, R 2  is C 1-5  alkyl, C 3-6  cycloalkyl, phenyl or tetrahydrofurfuryl, or R 1  and R 2 , together with the adjacent nitrogen atom, represent a 5- or 6-membered, saturated heterocyclic radical, R 3  is H or C 1-5  alkyl and R 4  is C 1-5  alkyl or C 2-4  alkenyl, together with a carrier. The active compounds have insecticidal, acaricidal, nematocidal and soilfungicidal properties. The compositions may contain synergists such as succinic acid dibutyl ester and piperonyl butoxide, and auxiliaries having a similar action such as olive oil and peanut oil. They may also contain other insecticides such as phosphoric, thiophosphoric and dithiophosphoric acid esters and amides, carbamic acid esters, halogenated hydrocarbons and analogues of p,p<SP>1</SP>-dichloro- 2,2-diphenyl-1,1,1-trichloroethane, as well as pyrethrines and synergists thereof, and other fungicides, bactericides, nematocides and fungistatic and bacteriostatic agents.
Patent GB-321351-A (GB)
Title: Flexible shaft couplings
IPC: F16D3/78
Filed: 1928-12-14
Abstract: 321,351. Hardy, Spicer, & Co., Ltd., and Daniell, J. A. Dec. 14, 1928. Universal couplings.-To allow greater angular movement between the driving and driven shafts connected by spider arms 2 and bolts 3 to a flexible disc 8, each bolt is longer than normal, and slides in a ball 11 having its housing 9, preferably divided as at 10, and held in position by plates 13. The ball and/or the housing may be made of antifriction metal.
Patent GB-991944-A (GB)
Title: Improvements in and relating to the control of parallel connected on-load tap changing gear
Inventor: PEEL ROBERT FREDERICK CRESS WE
IPC: H01F29/02
Filed: 1962-10-01
Abstract: 991,944. Transformer arrangements. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Sept. 18, 1963 [Oct. 1, 1962; Dec. 31, 1962], Nos. 37116/62 and 49101/62. Heading H2H. [Also in Division H1.] A number of parallel connected transformer tap-changers are provided with detecting and control means which ensure that no tap-changer can move out of step with the others by more than one position. Tap changing may be initiated under control of voltage sensing means associated individually, or in common, with the several tapchangers which may operate in a sequential manner to reduce the voltage steps. Fig. 1 shows three multi-position switches M1, M2, M3 which move with three associated tap-changers, relays X1, X2, X3 and Y1, Y2, Y3 being connected so that the appropriate ones of these relays are energized when one of the tap changers gets one position out of step with the others. Energization of these relays (which may have different sensitivities) prevent further onward movement of the last-operated tap changes and movement in the opposite direction of any tap changers which have fallen behind it. Fig. 2 shows a voltage sensitive time delay relay arrangement in which a voltage sensitive coil V closes contacts H or L according to whether its voltage is above or below a predetermined value. Closure of contacts H or L causes closure of contacts Y<SP>1</SP> or X<SP>1</SP> and hence energize an appropriate tap change by the associated tap changer. If the voltage is too high contacts H are closed, the associated tap changer moves down one step and, if all the other tap changers do not move to the same new step one or more of the Y relays (Fig. 1) is energized and contacts Y (Fig. 2) in circuit with contacts H are opened to prevent any further downward change. With the opening of contacts Y the time delay relay wiper contact r (Fig. 2) is reset to its open position by solenoid l. In addition to the opening of contacts Y the coils, e.g. X2 or X3, associated with the multiposition switch of any tap changer(s) which has not also moved to the next lower voltage step are energized and open contacts X in the time delay relay circuit associated with that tap changer. This ensures that upward tap changing by that tap changer is prevented. An alternative time delay relay arrangement (Fig. 3, not shown) omits the contacts X, Y. A system of switching is described (Fig. 4, not shown) in which the tap-changers are actuated in sequence by a single time delay arrangement as shown in Fig. 2 each tap changer being de-energized after moving one step by its associated X or Y relay as appropriate and contacts being simultaneously closed to actuate the next tap-changer. The control of tap changing may be effected in response to circulating current; a reverse reactance control system being used to energize the means for limiting out of step operation and the switches M1, M2, M3 can then have only one contact each.
Patent GB-1190824-A (GB)
Title: Improvements in Low Temperature Method for Producing Amorphous Boron-Carbon Deposits
IPC: C23C8/00
Filed: 1967-08-14
Abstract: 1,190,824. Coating with boron and carbon. GENERAL ELECTRIC CO. Aug. 14, 1967 [Dec. 22, 1966], No.37185/67. Addition to 1,189,345. Heading C7F. [Also in Division C1] In a process for coating a substrate with boron as described in the parent Specification a gaseous mixture of acetylene and boron hydride, and optionally hydrogen, is contacted with the substrate, which may be filamentary silica or glass, to give a coating of boron-carbon.
Patent GB-1089289-A (GB)
Title: Digital to analogue converter
IPC: H03M1/00
Filed: 1965-08-31
Abstract: 1,089,289. Digital-to-analogue converters. SPERRY RAND CORPORATION. Aug. 31, 1965 [Sept. 9, 1964], No. 37196/65. Heading G4H. A digital-to-analogue converter comprises n thin film elements each having a different thickness, a rotatable magnetic vector and two stable rest states, the elements being connected in series to an output line, and means to rotate the magnetic vector of each film to generate one of 2<SP>n</SP> voltage levels on the output line depending on the rest state of each film. Read-in wires store a binary number in the film elements by placing the magnetic vectors parallel or anti-parallel to a read-out wire which lies along the easy direction of magnetization of each film element. The read-out wire is then pulsed to rotate the magnetic vectors parallel or perpendicular to the output line depending on the stored bits. Due to the magnetoresistive effect, the resistance change of the output line is equal to the input binary number, the thicknesses of the film elements being binary-weighted. Alternatively, the rotation of magnetic vectors may be achieved utilizing magnetostriction.
Patent GB-911346-A (GB)
Title: Hollow panels
Inventor: COOP GEOFFREY GEORGE
IPC: B21D47/00
Filed: 1959-11-03
Abstract: 911,346. Composite metal sheeting. LUCAS  (INDUSTRIES) Ltd., JOSEPH. Nov. 2,  1960 [Nov. 3, 1959], No. 37232/59. Class 20 (2). [Also in Group XXII] A composite metal sheet comprises parallel sheets spaced by the flanges of holes punched in one or more of them. The flanges 7 of holes 9 punched in a sheet 5 are brazed to a sheet 6. A  sheet 8 may be welded to the opposite side of the sheet 5. The flanges 7 may be punched out in opposite directions from a sheet and each set of flanges secured to a sheet.
Patent GB-952776-A (GB)
Title: Improvements in spigot and socket pipe joints
Inventor: LIGON ELMER RICHARD
IPC: F16L21/05
Filed: 1961-10-17
Abstract: 952,776. Pipe joints. DOULTON & CO. Ltd. Oct. 17, 1961, No. 37252/61. Heading F2G. In a spigot-and-socket joint there are provided two annular members, one 15 housed within the socket 2, and one 3 fitted around the spigot 1, each member being of a resiliently deformable material such as polyvinyl chloride and presenting an annular sealing surface of frusto-conical form with a very small cone angle, e.g. 2 degrees, which surfaces co-operate with each other, and one of the members has a rib 7 standing proud of its sealing surface and which is compressed by engagement with the sealing surface of the other member. As shown, the pipes have grooves 4, 14 which receive fins 5, 16 of the cast members 3, 15, and the member 3 has a chamfered forward edge 9.
Patent GB-928858-A (GB)
Title: A new game of skill
IPC: A63F9/18
Filed: 1960-10-31
Abstract: 928,858. Games apparatus. A. L. C. O'NEILL. Oct. 30, 1961 [Oct. 31, 1960], No. 37271/60. Class 132 (2). Apparatus for playing a game comprises a base 1 recessed at 2 to receive a selection of cards 4, each bearing a question, or reference characters relating to indexed sheets of questions. The apparatus further comprises an indicator 5 for movement round the base 1 to indicate a particular question selected by the player, and a further indicator 7 under chance control. In playing the game, the player attempts to answer the question indicated by the arrow 7, the penalty or award merited by the answer being greater if the question indicated happens to be the one originally chosen by the player.
Patent GB-1021473-A (GB)
Title: Razor blade and method of making same
IPC: B21D53/64
Filed: 1962-10-02
Abstract: A safety razor blade has on its cutting edge an adherent coating of a cured solid hydrocarbon polymer containing a chain of carbon atoms including a plurality of -CH2-CH2-groups.  Preferably, the polymer has a molecular weight at least of the order of 5000.  The polymer may be a copolymer of ethylene and propylene, or a partially hydrogenated polymer of butadiene, or a polymer of ethylene, or mixtures or such polymers, or any of these polymers mixed with polyisobutylene, poly(butene-1), poly(4-methylpentene-1), butyl rubber, polypropylene, Hevea rubber, polybutadiene or poly(vinylisobutylether).  The polymer is applied to the blade from a solution of the polymer in a volatile liquid such as toluene, xylene, perchloroethylene which is deposited on the blade cutting edge, and the volatile liquid is then evaporated.  The curing is effected by heating for one-half to thirty minutes at 300-320 DEG F.
Patent GB-888318-A (GB)
Title: Improvements in or relating to audio-frequency amplifiers
IPC: H03F1/54
Filed: 1959-11-04
Abstract: 888,318. Valve amplifying circuits. COLE Ltd., E. K., and WOODHALL, N. M. Jan. 12, 1961 [Nov. 4, 1959], No. 37363/59. Class 40(6). In an amplifier in which the loud-speaker is connected by means of a plug and socket P, S, removal of the plug P breaks a short circuit across resistor R1. The valve V1 preceding the output stage is then biased to cutoff by a cathode bias derived from resistors R1, R2 so preventing damage to the output stage if the amplifier is operated in this condition.
Patent GB-915690-A (GB)
Title: Portable earthing kit
Inventor: LEITCH IAN HARRISON
IPC: H02G1/02
Filed: 1959-11-04
Abstract: 915,690. Temporary earthing assembly; earth electrodes. BOWTHORPE ELECTRIC CO. Ltd. Nov. 1, 1960 [Nov. 4, 1959], No. 37411/59. Classes 36 and 38 (1). A portable kit for earthing a plurality of conductors 23, comprises individual cables 30, each adapted at one end to be connected to one of the conductors 23, a connecting device 21 to connect the other ends of the individual cables 30 to a further cable 15, the connecting device being readily attachable to a support 19 near the conductors, an earthing device 12 to be driven into the earth and means 16 to connect the further cable 19 to the earthing device. A plurality of earthing spikes 12 may be used connected by cables 13 to a further connecting device 16. The first connecting device 21 may comprise a chain for hooking round the support 19 and a hooked end for temporary portage by a rung of a ladder. The bit may also comprise a cable 14 for earthing the support 19 and an insulating rod for remote operation of the conductor connectors 31.
Patent GB-1117308-A (GB)
Title: Improvements in the manufacture of self-condensed ªÏ-hydroxyacids
Inventor: SMITH GORDON ERNEST
IPC: C25B3/23
Filed: 1964-09-14
Abstract: A process for making polyesters comprises oxidizing an alicyclic ketone having at most 8 carbon atoms in the ring to a self-condensed o -hydroxy acid, the oxidizing agent being formed by electrolysing an aqueous solution containing bisulphate ions to convert at least some of the ions to perdisulphate ions and allowing the perdisulphate ions to hydrolyse forming permonosulphate ions.  The alicyclic ketone is added to the oxidizing solution to form the self-condensed o -hydroxy acid with reduction of permonosulphate to bisulphate, the acid is separated and the remaining bisulphate solution is recycled to the electrolysis cell.ALSO:Self-condensed o -hydroxy acids consisting of lactones, and linear poly-esters are made by oxidizing an alicyclic ketone having at most 8C atoms using an aqueous solution containing permono-sulphate ions which oxidize the ketone, and become reduced to bisulphate ions.  The solution of bisulphate ions is recycled to an electrolytic cell where per-disulphate ions are formed which is then allowed to hydrolyze to per-mono-sulphate ions and the ketone is then added.  A solution containing ammonium sulphate and sulphuric acid with a trace of ammonium thiocyanate, is electrolyzed forming ammonium per-disulphate [(NH4)2S2O8]; this hydrolyzes spontaneousl to per-mono-sulphate containing 2.31 mols of active oxygen of which 2.07 mols. are per-mono-sulphate. The ketone e.g. cyclohexanone is added gradually before further hydrolysis occurs yielding bisulphate and H2O2.  The reaction temperature is maintained at 50 DEG C.  The product separates into two layers.  The aqueous layer is extracted with a solvent e.g. a ketone or alcohol, and the extracted material added to the upper layer.  The total product is 0.53 mol. of 6-hydroxy caproic acid and its self-condensed derivative with minor amounts of cyclohexanone and adipic acid.  The aqueous electrolyte is fixed from residual organic matters by filtration through an absorbent e.g. activated charcoal, and recycled to the electrolytic cell to regenerate per-disulphate.  In another example, cycloheptanone is oxidized to form poly-oenanthate ester.  The lactone may be convected to capiolactain by heating under pressure with ammonia. The formation and consumption of per-mono-sulphate during addition of the ketone should be monitored e.g. by measuring the oxidation potential of the electrolyte, so that the rate of addition of the ketone does not exceed the rate of formation of per-mono-sulphate ions formed by hydrolysis.
Patent GB-853787-A (GB)
Title: Improvements in or relating to improvers for cement mortars and lime mortars
IPC: C04B28/02
Filed: 1957-12-03
Abstract: A composition for improving the hardness, adhesion, and resistance to wear, weathering and acids, of articles made from cement mortars or lime mortars, consists of a powdery mixture of 50 to 95% by weight sodium carbonate and 5 to 50% by weight tartaric acid.  The mortars to which the composition is added necessarily include sand.  In examples mortars are described containing: 1 part composition, 8 parts cement and 6 to 8 parts sand; 1 part composition, 2 1/2 parts lime and 7 to 12 1/2 parts sand; lime mortar, 0,17 to 32% by weight sodium carbonate and 0,017 to 17% by weight tartaric acid. About 1 part of water is added to each part of the dry mixtures. In another example 10 to 1000 parts by weight of the composition may be added to 3000 parts by weight of lime mortar.
Patent GB-932700-A (GB)
Title: Manufacture of 2-ª -methoxyethylpyridine
Inventor: HOLDEN ROBERT STANLEY
IPC: C07D213/30
Filed: 1960-11-03
Abstract: In a process for the preparation of 2-b -methoxy ethylpyridine, 2-b -hydroxyethylpyridine is methylated with a methyl halide, dimethyl sulphate, a reactive methyl ester or diazomethane.  The reaction with the methyl halide dimethyl sulphate or reactive methyl ester may be carried out in the presence of an acid binding agent and with diazomethane in the presence of a catalyst selected from boron trifluoride etherate, metal salts, metal alcoholates and ortho esters.  The hydroxy ethyl pyridine may be used in the form of its alkali metal derivative.  Specification 889,748 is referred to.