baber/WOPTO huggingface dataset:
Patent GB-182363-A (GB)
Title: Improvements in carburettors
IPC: F02M19/08
Filed: 1921-09-03
Abstract: 182,363. Puplett, T. J. Sept. 3, 1921. Spray carburettors.-A sleeve valve g sliding over the carburettor body e and actuated from a butterfly throttle valve f admits air either through .a choke tube c surrounding the nozzle b, or through this tube and a coaxial choke tube d fixed in the body. The air is admitted to the inner tube through ports k and to the outer tube through ports m.
Patent GB-888674-A (GB)
Title: Improvements relating to the resolution of lysine
Filed: 1960-07-06
Abstract: The invention comprises (1) the mixed alkali metal or ammonium/lysine tartrates having, in their anhydrous form the general formula <FORM:0888674/IV (b)/1> wherein M is an alkali metal or the ammonium radical and both constituents of the molecule are in optically active form; and (2) the resolution of DL-lysine with D- or L-bitartrates of the formula HOOC-CHOH-CHOH-COOM or with reagents capable of forming such bitartrates in situ.  L-Lysine may be isolated from its mixed tartrate by acidifying an aqueous solution of said tartrate and subsequently purifying the lysine by passage over an ion exchanger followed, if desired, by conversion into the mono- or di-hydrochloride.
Patent GB-254915-A (GB)
Title: Improved manufacture of abrasive stones
IPC: B24D15/02
Filed: 1925-09-22
Abstract: 254,915. Wade, H., (Carborundum Co.). Sept. 22, 1925. Tools. - An abrasive stone for dressing the contact points of automobile ignition systems comprises a carborundum strip 2 about <1>/16 inch thick and having a thin metal reinforcing member 3 engaging one longitudinal edge. The width of the metal member is small as compared with that of the strip 2. The reinforcing membar may be secured frictionally, or may be cemented to the stone.
Patent GB-905285-A (GB)
Title: Bistable trigger circuit
IPC: H03K3/286
Filed: 1961-06-30
Abstract: 905,285. Electronic bi-stable circuits. STANDARD TELEPHONES & CABLES Ltd. June 30, 1961 [July 7, 1960], No. 23736/61. Addition to 890,851. Class 40 (6). A bi-stable circuit comprises two electronic circuits which conduct alternately and two saturable cores each having two oppositelywound windings thereon one winding of each core being connected in series to a voltage source, and the other winding to respective ones of the electronic circuits whereby upon disconnection of the supply voltage to the circuit the magnetic cores remember the state of the circuit and upon restoration of the supply restore the original circuit condition. In the bi-stable transistor circuit shown, a sufficient magnetizing current normally flows in windings W12 and W22 to maintain both of the square loop cores K1, K2 in a saturated state. The supply circuits are arranged so that when the supplies are interrupted the current through windings W12 and W22 decays before the transistor supply current so that one or the other of the cores remains magnetized depending on the state of the circuit. Thus, when the supply is restored the circuit returns to its original state as generally described in the parent Specification. The restoration of the current through W12 and W22 after restoration of the supplies is effected gradually to avoid false switching of the circuit.
Patent GB-1122456-A (GB)
Title: Means for comparison information
IPC: G06F7/02
Filed: 1967-05-22
Abstract: 1,122,456. Comparators. BOLKOW G.m.b.H. 22 May, 1967 [28 May, 1966], No. 23747/67. Heading G4M. Two binary coded numbers A, B are converted to analogue signals by weighted resistors R1-B4, R8-R11, and the analogue outputs of T1, T2 are compared by T3, T4 which control switching transistors T5-T7 producing " equality," " greater than," or " less than " outputs at 1-3. Several binary-coded decimal digits may be compared by similar circuits, the outputs of the various comparators being applied to a gating circuit, Fig. 2 (not shown), providing an overall comparison result. Alternatively series decimal digits may be compared by a single comparator and the stored comparison results fed in parallel to the circuit of Fig. 2.
Patent GB-919317-A (GB)
Title: Sizing solution for glass fibers
IPC: C03C25/26
Filed: 1960-07-07
Abstract: An aqueous sizing solution for application to glass fibre filaments comprises a latex of a polymer of an ethylenic monomer as a binder, an alkenyl acyloxy silane as a coupling agent and a textile softener for the glass filaments, the alkenyl acyloxy silane being used in combination with gamma-amino-propyltriethoxy silane and, if desired, a water soluble melamineformaldehyde resin.  Latex polymers specified are polyvinyl acetate, polymers of C1-C6 aliphatic acrylates and methacrylates, e.g. polymethyl methacrylate, copolymers of butadiene with styrene or acrylonitrile, polyvinyl chloride, polystyrene, vinyl chloride-vinyl acetate copolymers and polymers of chlorovinyl acetate, butadiene acrylonitrile and vinylidene chloride.  As an alkenyl acyloxy silane there is specified vinyltriacetoxy silane. Textile softeners specified are amides of C4-C24 fatty acids, including acid solubilized polymers of the lower molecular weight unsaturated amides, and the alkyl imidazoline derivatives formed by reacting fatty acids with polyalkylene polyamines, e.g. the reaction product of stearic acid and tetraethylene pentamine. Also present in the size may be a wetting agent, such as cetylamine or stearylamine hydrochloride or acetate, dodecylamine, hexadecylamine, dodecylmethylamine and salts thereof, trimethyl stearyl or cetyl ammonium bromides and chlorides and polyoxyethylene sorbitan monostearate or trioleate and a plasticizer for the polymer, e.g. dibutyl, dioctyl and diisooctyl phthalates and tricresyl phosphate. Specification 919,318 is referred to.ALSO:Glass fibre strands are sized by applying thereto an aqueous sizing composition comprising an emulsion polymerization latex of an ethylenic monomer as a binder, an alkenyl acyloxy silane as a coupling agent, and a textile softener for the glass fibre filaments, the alkenyl acyloxy silane being used in combination with gamma-amino-propyltriethoxy silane and, if desired, with a water-soluble melamine-formaldehyde resin, and then drying the glass fibres so-treated.  The examples describe the following compositions for application to glass fibres: (1) polyvinyl acetate latex with acetic acid-solubilized pelargonic amide, vinyl triacetoxysilane and gamma-amino-propyl triethoxysilane, (2) as in (1) but containing also a water-soluble melamine-formaldehyde resin, (3) butadiene-styrene copolymer latex with vinyl triacetoxysilane, gamma-amino-propyl-triethoxysilane and the methacrylic acid-solubilized tetraethylene pentamine amide of stearic acid, and (4) polymethyl methacrylate latex, vinyl triacetoxysilane, gamma-amino-propyl triethoxysilane and a solubilized fatty acid amide.  Also present may be wetting agents, plasticizers and alternative latices and softeners (see Group IV(a)).  Specification 919,318 is referred to.
Patent GB-254917-A (GB)
Title: Improvements in and relating to fasteners
IPC: F16B5/12
Filed: 1925-09-23
Abstract: 254,917. Imray, O. Y., (Carr Fastener Co.). Sept. 23, 1925. Press-button fasteners.-To facilitate the securing of upholstery to panels of seats, the studs are mounted in one-piece holders or cages so as to have a limited lateral freedom in all directions. The holder 3 is pressed from a single sheet of metal and has a smooth bottom and a wall 8 with stud-retaining prongs 9 and attaching prongs 10. The stud 6 is assembled in the holder during the pressing operation. The base 4 of the stud is smaller than the recess in the holder to permit the studs, when mounted on a piece of upholstery, as in Fig. 2, to be moved to engage the sockets on the panel 13 without straining.
Patent GB-406349-A (GB)
Title: An improved process for making plates of bituminous material for coating the inner walls of containers, more particularly concrete vessels
IPC: B29C48/08
Filed: 1932-08-25
Abstract: 406,349. Moulding bituminous material in rolling machines. WELTI, E. BORSARI-, and FISCHER, H. BORSARI-, (trading as BORSARI & CO.), Zollikon, Zurich, Switzerland. Aug. 25, 1932, No. 23772. Convention date, Oct. 31, 1931. [Class 87 (ii).] Plates for coating the inner walls of containers and formed from bituminous material are moulded between oppositely moving cooled rollers a, b, the bituminous material being heated until fluid in a box c placed loosely on the rollers and surrounded by a preferably heated air chamber d, and the temperature of the fluid mass and the speed of rotation of the rollers are so regulated as to produce a flat band having a pore-free surface, uniform width and thickness and straight edges. The band may be removed on an endless belt. The air chamber d may be heated by circulating hot water. The thickness of the band produced may be about 8 mm. The conditions may be regulated so that as the band issues from the rollers its two surfaces are cool and stiff whereas the inside remains a somewhat soft mass. The temperature of the mass between the rollers may be 60-70 C. and the speed of the rollers, say, 8 mm. per sec. Either the band itself or plates taken therefrom may be applied to the surface of the container. The bituminous material may consist of mixtures of asphalt, mineral wax, pitch and pitch-like substances together with fillers such as talc.
Patent GB-332757-A (GB)
Title: Improvements relating to burners for petroleum cookers
IPC: F23D3/00
Filed: 1929-08-02
Abstract: 332,757. Nier, H. Aug. 2, 1929. Making burners. - In the production of a wick burner adpted for use with a petroleum cooker soldering is avoided and the parts are connected by the interengaging of lugs with corresponding slots in adjacent members. In assembling, two members 4 and 5 forming one. of the wick guides are so placed that a lug 6<1> on one engages with a slot 7<1> in the other and the whole is fitted into the corresponding slot 2 or 3 in a base member 1. End walls 10 are so placed that lugs 11 and 12 pass through the ends of the slots 2 and 3 in the member 1 and the slots 13, 13<1> receive the lugs 6<1> of the assembled wick guides. These lugs and the ends 9 of the wick guide members are then bent over to form a rigid structure. Stiffening bars 17 are provided between the end plates. Into one side of each of the wick guides is pressed a recess 20 through which passes a spindle 22 carrying the wick raising wheels 24. A guide plate 25 is secured in the recess to keep the wick in position and is provided with slots through which the wheels 24 project. A sieve 27 is fitted between the wick guides to prevent dirt from falling into the interior.
Patent GB-686567-A (GB)
Title: Improvements in production of hydrogen peroxide
IPC: C01B15/023
Filed: 1950-09-28
Abstract: In the cyclic process for the production of hydrogen peroxide wherein alkylated anthraquinones are hydrogenated in liquid media and the resulting alkylated hydroanthraquinones are oxidized to yield the starting material and hydrogen peroxide which is removed by aqueous extraction, the solvent for both hydrogenation and oxidation steps is a mixture of a primary and/or secondary nonyl alcohol such as di-isobutyl carbinol or 3.5.5 trimethylhexanol-1, and a mono or dimethylnaphthalene.  35-75 per cent of the alcohol and 75-35 per cent substituted naphthalene are preferably employed and an alumina supported palladium catalyst may be present in the hydrogenator. Suitable anthraquinones are 2 ethyl, 2 isopropyl, 2 sec. butyl, 2 tert. butyl, 2 sec. amyl and 1.3, 2.3, 1.4, and 2.7 dimethylanthraquinones.  The presence of 10-40 per cent of the tetrahydro derivative of the above which is formed slowly in the process is desirable.  The preferred working solution is 2 tertiary butylanthraquinone in a solvent comprising 60 per cent di-isobutylcarbinol and 40 per cent methylnaphthalene, comparison between which and solvent mixtures comprising di-isobutylcarbinol with benzene, beta or di-methyl naphthalene, and benzene with heptanol-2, octanol-2, methylanlohexanol or di-isopropylcarbinol, are given.  Specifications 465,070, 686,572 and 686,574 are referred to.
Patent GB-1413461-A (GB)
Title: Stabilization of trichlorodifluoro benzenes
IPC: C07C17/00
Filed: 1974-05-29
Abstract: 1413461 Stabilization of trichlorodifluorobenzenes E I DU PONT DE NEMOURS & CO 29 May 1974 [30 May 1973] 23807/74 Heading C2C Trichlorodifluorobenzenes are thermally stabilized by the addition of an acid accepting solid selected from alkali metal borates and phosphates and alkaline earth metal (as hereinafter defined) carbonates borates and phosphates. By alkaline earth metal is meant magnesium, calcium strontium and barium. The trichlorodifluorobenzenes are used as heat transfer fluids.
Patent GB-1070846-A (GB)
Title: Apparatus and method for spacing products, for example laminar materials,flowing in sequence in a continuous flow production line
IPC: B27D1/04
Filed: 1964-06-09
Abstract: 1,070,846. Laminates and laminating. WEYERHAEUSER CO. June 9, 1964 [June 10, 1963], No. 23868/64. Heading B5N. [Also in Division B8] In a method of manufacturing laminated products on a continuous flow production conveyer, the separate laminµ 11 or 12, are kept spaced apart by introducing space elements 48 between them. The laminµ after having been sized by trimming means 26, 32, 34 and 35 are advanced to the conveyer 14 by feed rollers 29, and the leading edge of the lamina depresses a pivoted lever 260 to operate sensing means 261 which causes a paddle wheel 262 to rotate, freeing a spacer element 48. As the paddle wheel rotates further, the next paddle 264 accelerates the spacer into engagement with a chain belt 49 and a sprocket wheel 50. The spacer is carried with the sprocket wheel 50 to the upper part of the chain 49 and released for chain frictional movement until pushed down on the conveying means by an approaching lamina. The spacer is formed with an upstanding abutment 270 to prevent the lamina from over-running it, and is guided parallel to the conveyer means and level thereto until the adhesive operations are undertaken, when it is guided downwards and returned to the underside of the chain 49. The spacer has a curved surface 272 and spherical surfaces 273 to pass the chain 49 on a horizontal run and interlock with the chain and the sprocket wheel 50 when the direction of motion of the spacer changes. The chain is of triple roller configuration the centre chain section 275 engaging with the sprocket wheel 50 and the outer chain sections 276, 277 being primary contacts with spacer 48. The spacers are provided with roller wheels 282 which run on upper and lower guides 279, 280 extending between sprocket wheels 50.
Patent GB-891694-A (GB)
Title: A mixing valve for hot and cold water installations
Inventor: PORLAND KJELD
IPC: G05D23/13
Filed: 1958-07-24
Abstract: 891,694. Fluid-pressure servomotor-control systems. CLAUSEN, M., [trading as DANFASS VED [INGENIOR] M. CLAUSEN]. July 24, 1958, No. 23859/58. Addition to 841,205. Class 135. In a hot and cold water mixing valve as described in the parent Specification one of the valve seats endwise disposed in relation to the spring-loaded, tubular valve member 15 comprises a diaphragm 21 mounted on the open-end of a cup-shaped member 22 and urged by a spring 25 towards the valve member 15. A central opening 23 in the diaphragm reinforced by a sleeve 24 forming an abutment for the spring 25 admits mixed water to behind the diaphragm. When the user desires only a small quantity of mixed water, pressure in the mixing chamber increases urging the diaphragm 14 leftwardly. At the same time the increased pressure in the mixing chamber urges the seat diaphragm 21 towards the valve member 15 to offset the increased amount of cold water that would otherwise enter the mixing chamber to maintain the temperature of the water at the desired level.
Patent GB-676702-A (GB)
Title: Improvements in, or relating to, automatic cut-outs for electrically heated appliances
IPC: H01H37/52
Filed: 1949-09-17
Abstract: 676,702. Thermal switches. DAVIDSON, A. D., and SCAMMELL, E. W. Sept. 18, 1950. [Sept. 17, 1049] No. 23983/49. Class 38 (v). [Also in Group XIII] An automatic cut-out for a kettle or other electrically heated appliance comprises a U- shaped bimetallic strip, the arms 16 of which have claws 17 engaging behind the head 19b of a needle 19, so that when overheated the arms move apart releasing the needle which, together with an insulating block 18 supporting it, moves rapidly to the left breaking the circuit. The bimetal strip is mounted on a support 8 with a concave floor 11 against which it is pressed by means of a nut 13. Screwing up the nut deflects the arms 16 towards each other thus varying the temperature at which the cut-out operates. In the form shown the block carries contacts 27 which disengage fixed contacts 25. In a modification, Fig. 4 (not shown), the movement of the block 18 ejects an adaptor or socket member.
Patent GB-985471-A (GB)
Title: Androstanes
IPC: C07J75/00
Filed: 1963-06-17
Abstract: The invention comprises 3a -methoxy-17a -methyl - 5a  - androstan - 17b  - ol and processes for the preparation thereof, (a) by contacting 3a  - methoxy - 5a  - androstan - 17 - one with an organo-metallic reagent of the general formula CH3-X, wherein X is Mg-halogen and the halogen is chlorine, bromine or iodine; or with methyllithium, hydrolysing the intermediate organo-metallic addition product thus formed and isolating the product, or (b) by refluxing a compound having the general formula <FORM:0985471/C2/1> wherein A is an aryl- or alkyl-sulphonyl radical, with methanol in the presence of an acid acceptor, e.g. potassium acetate.
Patent GB-888942-A (GB)
Title: Improvements in hydraulic-rotary-piston machines
IPC: F04C2/46
Filed: 1959-07-14
Abstract: 888,942. Rotary motors. ZWICKY, A. J. July 14, 1959 [July 17, 1958; Oct. 2, 1958; Nov. 21, 1958; June 22, 1959], No. 24107/59. Class 110 (2). In a reversible rotary motor of the hinged abutment type, Figs. 1 and 2, the abutments 6, 7 are interconnected by a tilt switch mechanism adapted to hold one set of abutments retracted whilst the other set of abutments bear against the rotor 2. The rotor is provided with movable walls 17 which are urged against carbon sealing strips 20 by pistons 19 in communication with the pressure inlet conduit 11. The abutments may be internally loaded by a rotary bar or flat spiral spring (see Fig. 4, not shown). The two pistons may be non-symmetrically disposed about the rotor (see Fig. 5, not shown). In a further modification, adapted to drive a winch, lift, crane or conveyer belt, each piston is provided with rollers for each direction of rotation and the housing is encircled by a brake belt and provided with cooling fins (see Figs. 6 and 7, not shown). The rotor and piston may be provided with a cavity 31, Fig. 8, which is subdivided by partitions 32 and covered by a member 33 backed by a rubber cup-shaped body 38 subjected to fluid pressure. The side walls of the piston may be made elastic by providing same with slits and lining said cavity with a fluid-pressurized bladder.
Patent GB-586300-A (GB)
Title: Improvements in and relating to closures for milk bottles
IPC: B65D47/06
Filed: 1944-12-04
Abstract: 586,300. Stoppers. MARSDEN, G. R. Dec. 4, 1944, No. 24194. [Class 125 (iii)] A self-sealing closure for milk or like bottles or jugs of the kind in which the pouring orifice is closed when the bottle or jug is upright by means of a ball or balls coacting with an orifice or orifices, is characterized by the provision of a movable seating for the ball or balls, which permits their removal for cleansing purposes. As shown in Fig. 2, the body of the closure is provided with a packing-ring d and seats on the mouth of the bottle b. A spout a is provided and held against a shoulder therein by means of a split ring g is a removable seating e having two apertures and k. Balls m and n seat on these when the bottle is upright, and ate prevented from escaping by the bent wires h secured to the seating e. A single ball adapted to seat on two apertures formed in a partspherical concavity in the seating may be used in place of the two balls m and n. In the form shown in Fig. 4, the balls are retained by partitions o, o' depending from the top of the spout a, and the ball n may close both the apertures k and p.
Patent GB-1006070-A (GB)
Title: Fluid control selector valve
Inventor: HALSEY HERBERT
IPC: F16K11/085
Filed: 1961-07-05
Abstract: 1,006,070. Valves. ENGLISH ELECTRIC CO. Ltd. July 3, 1962 [July 5, 1961], No. 24228/61. Heading F2V. A selector valve for connecting any one of a number of inlet ports to an outlet port, is provided with driving and indexing means operable in response to fluid pressure applied to the outlet port, there being a non-return valve preventing back flow to the inlet ports. A valve member 14, which is rotatably and axially slidable in a housing 10, has a through port 13 connecting any one of the radial inlets such as 11A with the axial outlet 12, a non-return valve 15 being carried in the valve member. On the application of an actuating pressure to the outlet 12, the member 14 is urged longitudinally together with a spring-biased sleeve 16 having helical slots 21 engaged by fixed pins 22, so that consequent rotation of this sleeve by co-operating crowns of teeth tl, t2 on the sleeve and valve member respectively, rotates the latter into a position where the next succeeding inlet will be in communication with the outlet on return of the valve member under the spring 17 when the actuating pressure at the outlet is released. The valve member is prevented from following the reverse rotation of the sleeve 16 by a second sleeve 18 having straight longitudinal slots 20 engaged by the pins 22 and similar crown teeth t3 which have a ratchet action with the teeth t2 of the valve member. In a modification only the valve member 14 is enclosed in the housing 10, the driving mechanism being disposed outside this housing and coupled to the valve member by a shaft extending through the housing. The device may be adapted for remote control and applied in allowing the passage of test gas samples from the fuel channels of a nuclear reactor.
Patent GB-1537386-A (GB)
Title: Borehole closure devices
IPC: E21B33/128
Filed: 1976-06-11
Abstract: 1537386 Boreholes &c COMPAGNIE INTERNATIONALE DES PIEUX ARMES FRANKIGNOUL 11 June 1976 [12 June 1975] 24234/76 Heading E1F A borehole closure device 11 to enable grouting liquid to be injected through the device for stabilising the ground, is adapted to be secured at 15 to one end of a main injection pipe and comprises a straight pipe 16 through which liquid to be injected may flow, a single-acting ram-like annular actuator 17 including a movable part 21 which is slidable in coaxial relationship along the outer surface 22 of the pipe 16, a separate duct 31 to supply the actuator 17 with pressurised fluid, and at least one transversely expandable annular sealing packing member e.g. 18 mounted coaxially about and along the outer surface 22 between the movable part 21 and a stationary abutment 33 secured to the pipe 16. Preferably several packing members 18, 19, 20 are provided, each being resiliently deformable, comprised of e.g. rubber, and being separated from each other by washers 34, 35. In their rest condition (Fig. 2, not shown), the packing members 18, 19, 20 preferably have the same diameter as the washers 34, 35 and the movable part 2]. As shown, the piston 23 of the actuator 17 is secured to the pipe 16 and has a duct 30 to provide communication between the working chamber 26 of the actuator 17 and the duct 31 which is connected at the ground surface to a pressure source.