baber/WOPTO huggingface dataset:
Patent GB-1537259-A (GB)
Title: Vapour generator having variable vapour pressure circuitry during start-up
IPC: F22B35/14
Filed: 1975-12-15
Abstract: 1537259 Starting-up vapour generators FOSTER WHEELER ENERGY CORP 15 Dec 1975 [16 Dec 1974 2 Jan 1975] 40013/77 Divided out of 1537258 Heading F4A In a power plant the vapour generator system has a pressure regulator 14 disposed in the circuit between the boiler and one or more separators 16 feeding vapour to superheaters 18. The pressure regulator comprises a capilliary tube or tubes 176 controlled by a valve 174, a pressure controlled valve 172 in parallel and a full flow valve 170 in parallel. The valves 174, 172, 170 are operated in sequence on start up.
Patent GB-1514575-A (GB)
Title: Pyrido(2,3-d)pyrimidines
IPC: C07D471/04
Filed: 1975-10-02
Abstract: 1514575 Pyrido-pyrimidine-6-carboxylic acids and esters YOSHITOMI PHARMACEUTICAL INDUSTRIES Ltd 2 Oct 1975 [4 Oct 1974] 40269/75 Heading C2C The invention comprises compounds of general formula where R and R<SP>1</SP> are -H or C 1-4  alkyl or together with the adjacent N atom form a heterocyclic ring, R<SP>2</SP> and R<SP>3</SP> are -H or C 1-4  alkyl and A is a C 4-6  alkylene group, and pharmaceutically acceptable salts thereof with acids such as HCl, H 2 SO 4  or acetic, lactic, succinic, oxalic or methanesulphonic acid or with metals such as Na, K, Mg, Al or Ca. The compounds have anti-bacterial and antiseptic properties and are prepared by the following processes: (a) reacting at 30-200‹ C. the 2-halo, 2-(C 1-4 ) alkoxy or 2-(C 1-4 ) alkylthio analogue of a compound of Formula (I) with (b) heating a compound of formula (c) alkylation of compounds where R<SP>3</SP> is -H with e.g. ethyl iodide; and (d) for compounds where R<SP>2</SP> is -H, either by hydrolysis of compounds having R<SP>2</SP>=alkyl or by oxidation of a 6-(C 2-5  alkanoyl) analogue of a Formula (I) compound having R<SP>3</SP> = alkyl with a hypochlorite, hypobromite, permanganate, chromic acid or halogen. 4 - Amino - 2 - (4 - dimethylamino piperidino) pyrimidine is prepared by reacting 4-dimethylamino piperidine with 4-amino-2-chloropyrimidine and is then heated with diethyl ethoxymethylenemalonate to give diethyl 2-(4-dimethylamino piperidino) pyrimidin - 4 - ylamino methylenemalonate. Ethyl 2 - methylthio - 4 - pyrimidinyl amino methylene acetoacetate is prepared by heating 4- amino - 2 - methylthio pyrimidine and ethyl ethoxymethyleneacetoacetate, and is then heated in a solvent to give 6-acetyl-5-hydroxy-2- methylthio pyrido[2,3-d]pyrimidine. The latter is heated with ethyl iodide and K 2 CO 3  to yield 6 - acetyl - 8 - ethyl - 2 - methylthio - 5 - oxo- 5,8 - dihydro pyrido[2,3 - d] pyrimidine which in turn is heated with 4-dimethylaminopiperidine to yield the 2 - (4 - dimethylaminopiperidino) analogue.
Patent GB-1221119-A (GB)
Title: Improvements in and relating to pressure control devices
IPC: B60T13/18
Filed: 1968-08-27
Abstract: 1,221,119. Change-speed control. ZAHNBADFABRIK FRIEDRICHSHAFEN A.G. 27 Aug., 1968 [12 Sept., 1967], No. 40848/68. Heading F2D. In a gear shift mechanism the ratio-establishing clutches or brakes I, II ... are operated by a single fluid pressure control valve 2 mounted between a pressure regulating valve 3 and the gear selector valve 4, the inlet and outlet pipes 16, 22 of the control valve being connected through a secondary pipe-line 24 provided with a restriction 25. In the system shown, pressure liquid is supplied by a pump 5 and under normal conditions the pressure in supply line 161 to the clutches or brakes and in a branch line 23 holds the valve element 18 in its extreme left-hand position against the action of a loading spring 32. When a gear change is initiated, pressure in line 16<SP>1</SP> drops and spring 32 moves valve element 18 to the right as shown, so that pressure liquid by-passes restriction 25 and is fed directly from line 16, through valve chamber 21 and pipes 22, 16<SP>1</SP> to operate the selected clutch or brake. On completion of the gear change pressure build-up in lines 16<SP>1</SP>, 22 moves valve element 18 against spring 32 to the closed position.
Patent GB-927974-A (GB)
Title: Production of heterocyclic chlorine compounds
Inventor: WEIDINGER HANS
IPC: C07D241/44
Filed: 1961-11-16
Abstract: Diazines and triazines containing one or two chlorine atoms in position vicinal to ring nitrogen are prepared by reacting the corresponding hydroxy compounds with phosgene at elevated temperature in the presence of a solvent or diluent and in the presence of a compound R1CONR2R3, where R1 p  is hydrogen or C1-5 alkyl, R2 is C1-4 alkyl, and R3 is C1-4 alkyl or C6-9 aryl, or R2 and R3 together represent an alkylene group of 2-8 methylene groups, one of which may be replaced by O, or R1 and R3 together represent an alkylene group of 3-7 carbon atoms.  Specified R1CONR2R3 compounds are dimethylformamide, diethylformamide, N-methyl-N-butylformamide, N-formyl-pyrrolidine, -piperidine, and -morpholine, N-methylformanilide, N,N- dimethylacetamide, N,N- dimethylbutyramide, N- methylpyrrolidone, N-methylcaprolactam, and N-butylpyrrolidone. Many hydroxy-substituted pyridazines, pyrimidines, quinazolines, pyrazines, quinoxalines, 1,2,4-triazines, and 1,3,5-triazines are listed as suitable reactants; these may contain other substituents, such as halogen atoms, alkyl radicals, and aryl radicals and fused benzene rings which contain further substituents, such as halogen, C1-4 alkoxy, nitro, -COCl, -SO2Cl, N,N-di(C1-3) alkyl sulphonamide, -COOH or -SO3H (these last being converted to -COCl and -SO2Cl during the reaction).  Many worked examples are given. Starting materials. 2-Aminobenzamide is reacted with 3- and 4-nitrobenzoyl chloride to produce 2-(m- and p-nitrobenzoylamino)-benzamide, each of which is cyclised using NaOH solution to produce 2-(31- and 41-nitrophenyl)-4-hydroxyquinazoline. 2-Phenyl-4-hydroxy-6-nitroquinazoline is prepared by cyclisation of 2-benzoylamino-5-nitrobenzamide, itself obtained from 2-amino-5-nitrobenzamide and benzoyl chloride. 2-(m-Chlorosulphonylphenyl)- 4,6-dihydroxy-1,3,5-triazine is made by reacting chlorosulphonic acid with 2-phenyl-4,6-dihydroxy-1,3,5-triazine; by reaction with dimethylamine, 2-(m-dimethylaminosulphonylphenyl)- 4,6- dihydroxy-1,3,5-triazine is obtained.
Patent GB-1204891-A (GB)
Title: Varistor
IPC: H01C7/10
Filed: 1967-09-07
Abstract: 1,204,891. Varistors. LE CARBONE LORRAINE. 7 Sept., 1967 [28 Sept., 1966; 30 Sept., 1966], No. 41020/67. Heading H1K. A varistor takes the form of a slotted disc and has at least three terminals 9, so that there are two or more voltage-variable-resistance sectors 8 two of which are separated by the slot 10. Thus not only is the resistance voltage-variable but the current for a given voltage can be discretely varied by appropriate selection of terminal pairs. The current for a given voltage may also be made continuously variable by providing the varistor with a cursor-type contact: this feature forms the subject matter of Specification 1,204,892. A plurality of discs of the Fig. 1 form may be assembled into a stack (Figs. 2 and 3, not shown) in which adjacent varistor discs are separated by insulating discs, but with terminals of adjacent discs conductively linked, e.g. by aluminium foil. Such a stack constitutes a varistor chain, which may be held as a whole in a single partially-enclosed insulating mounting 15, Fig. 3 (not shown).
Patent GB-1408865-A (GB)
Title: Process for the production of a mixture containing bitumen
IPC: C08L95/00
Filed: 1972-09-05
Abstract: 1408865 Bitumen/reclaimed polymer composition PHABERL 5 Sept 1972 [7 Sept 1971] 41111/72 Heading C3N A process for the production of a mixture for use in constructional purposes containing bitumen, a mineral filler material and 1-8% by weight of the amount of bitumen present of polymer material consisting of polyethylene and/ or polypropylene and/or ethylene-propylene copolymer comprises adding the polymer material to the bitumen, which is at a sufficiently high temperature to melt the polymer material, in the form of particles of reclaimed polymer material having an average particle size exceeding 0À2 mm. to which are adhered and/or in which are included finely particulated mineral or colouring contaminants, e.g. pigment particles. The reclaimed polymer material may be in the form of flakes, chips, chaff, crushed or disintegrated particles, agglomerates or a granulate. A concentrated mixture of polymer material and bitumen containing more than 8% by weight of bitumen, of the polymer material, may be first produced and this subsequently is diluted to the necessary proportion of bitumen by the addition of molten bitumen. The polymer material may be supplied to a bath of bitumen by means of an air stream which is directed into or on to said bath.
Patent GB-1121343-A (GB)
Title: High temperature lubricant
IPC: C10M173/00
Filed: 1966-09-15
Abstract: A high temperature lubricant for metal surfaces comprises a stable water-in-oil emulsion containing an anionic emulsifier, a high temperature ionic emulsion stabilizer and 5-10% by weight of the total emulsion of a solid graphite lubricant dispersed in the emulsion. Preferably the emulsion comprises 30-70% by wt. water and 70-30% by wt. mineral oil.  The emulsifier may be an oleophilic alkaline earth petroleum or naphthalene sulphonate and the stabilizer may be an alkali metal naphthenate of M.W. 250-600.  The amount of emulsifier and stabilizer may total 0.25 to 5% by wt. of the total lubricant and the ratio of stabilizer to emulsifier may be from 0.75 to 1.75:1.  The alkali metal napththenate may be prepared in situ from naphthenic acid and an alkali metal compound e.g. KOH.
Patent GB-906794-A (GB)
Title: Tire building machine
IPC: B29D30/24
Filed: 1960-12-01
Abstract: 906,794. Tyre-building machines. GOODYEAR TIRE & RUBBER CO. Dec. 1, 1960 [May 31, 1960], No. 41289/60. Addition to 906,793. Class 144 (1). In a tyre-building machine drum consisting of three sections, each of which sections carry spring-loaded segments 20 radially expandable by air bladders 13, and the outer two sections of which can be moved towards or away from the centre section by screw-threaded shafts 17. The sections are enclosed by a resilient, expandable, flexible envelope 39 having at each end radially inward and axially extending portions 40, 43 which terminate in beads 44 engaged by annular clamping members 45 to hold the envelope in position. Inflatable bags 53 provided at each end of the drum turn over the tyre plies to form the tyre beads. Longitudinal and circumferential plates 37 secured to the outer surfaces of the segments 20 form a continuous cylindrical surface for the envelope 39.
Patent GB-1091896-A (GB)
Title: N-substituted-n'-arylamidines and their preparation
IPC: C07D209/08
Filed: 1964-12-16
Abstract: The invention comprises compounds of formula <FORM:1091896/C2/1> wherein (a) [AR-C=C-] is a pyrido, pyrimido or quinolino radical and R1 is H, C1- 6 alkyl or Ph, or (b) [AR-C=C-CH2R1] is 1-(5,6,7,8-tetrahydro)naphthyl*; R2 and R3 are H or C1- 6 alkyl, and Aryl is Ph, m- or p-tolyl, or 1- or 2-naphthyl.  These compounds are made by reacting either [AR-C=C-CH2R1]N = CR2-OAlkyl with ArylNHR3, or [AR-C=C-CH2R1]NH2 with [Aryl-NR3=CR2-OPOCl2]+Cl-. In exemplified compounds R2=H, R3 = Me, Aryl = Ph and [AR-C=C-CH2R1] is (a) 3-methyl-2-pyridyl, 2,6-di-methyl - 3 - pyridyl, 3 - methyl - 4 - pyridyl, or (b)*. 3 - methyl - 2 - quinolyl, 5 - methyl - 4 - pyrimidyl
Patent GB-1131153-A (GB)
Title: Multilayer semiconductor structure
Inventor: ZANOWICK RICHARD LOUIS
IPC: C09J161/06
Filed: 1967-09-12
Abstract: 1,131,153. Coating with semi-conductor materials. NORTH AMERICAN AVIATION Inc. Sept. 12, 1967 [Sept. 29, 1966], No. 41634/67. Heading C7F A multi-layer semi-conductor structure comprise a monocrystalline electrically insulating substrate such as BeO, Al 2  O 3 , sapphire or a spinel, a thin film of a semi-conductor other than an Alll Bv type compound such as Si or Ge on the substrate and an outer layer of an A111 Bv type compound such as GaAs, GaP or 1n S6 on the thin film. The Si or Ge film is formed by decomposition of the gaseous hydride with the substrate heated to 500 - 800 C. The A111 Bv compound is deposited by a chemical vapour transport process whereby the compound e. g. GaAs source is heated to above its decomposition temperature in an evacuated chamber using HC1 in H 2  as the transport medium. The substrate is maintained at a temperature 50-100C. lower than that of the source.
Patent GB-1148477-A (GB)
Title: Heat transfer method
Inventor: OLDFIELD REGINALD CHARLES
IPC: C09K5/12
Filed: 1967-09-15
Abstract: 1,148,477. Heat transfer. MULLARD Ltd. 15 Sept., 1967, No. 42097/67. Heading F4U. [Also in Divisions C7 and H5] In a high-vacuum process, e.g. the deposition of a thin film on a substrate, heat is transferred between a heating or cooling body and the body to be heated or cooled via a molten layer of a metal or alloy having a vapour pressure which is sufficiently low that no significant quantity of vapour is evolved from the metal or alloy at the pressure in the process. The metal or alloy is one which wets the surface of the heating or cooling body but does not wet the surface of the other body. Fig. 1 shows a heating body for use in the process and comprises a hollow body A of copper, an electric heating element B wound on a former of pyropholite and insulated from body A by a layer D of mica, and a layer E of indium on the bottom surface of body A. A thermocouple H regulates the element B and the body has a supporting rod J by which it can be raised and lowered into and out of contact with an aluminium substrate (to which the molten indium will not adhere). A magnetic film is then deposited on the heated substrate which is subsequently cooled by a device (Fig. 2, not shown), which is similar to that of Fig. 1 except that the heating element and former are omitted and water is circulated through the interior of the hollow body. The molten layer in this case comprises a 52% indium/48% tin alloy and cooling is carried out until the layer has solidified. Tin alone may alternatively be used. Preferred dimensions are listed.
Patent GB-1010363-A (GB)
Title: Improvements relating to castors
Inventor: TOWNSEND CLAUDE MORTIMER
IPC: B60B33/02
Filed: 1961-11-27
Abstract: 1,010,363. Castors. AUTOSET (PRODUCTIONS) Ltd. Feb. 19, 1963 [Nov. 27, 1961], No. 42258/61. Heading A4U. [Also in Division F2]  A castor comprises a wheel 16 which has an internally expanding brake mechanism (see Division F2) and is mounted for swivelling with respect to a housing 12. The housing 12 carries a ring 28 which, when displaced in the direction of the swivel axis, depresses a rod 26 which actuates the brake mechanism. A second ring 31 mounted on the ring 28 is positioned so that if the ring 28 is depressed further, teeth 32 on the ring 31 engage teeth on a ring 34, mounted on an arm 14 of the castor, and prevent the castor swivelling. The ring 31 is resiliently mounted by means of springs 30 to allow a small angular movement of the chassis to align the teeth. The leading castors of a trolley have their brake actuating rings 28 linked to an operating handle 36 on the trolley.
Patent GB-1140975-A (GB)
Title: New process for preparing aminopenicillins
Inventor: AUSTIN KENNETH WILLIAM BERTRAM
IPC: C07D499/64
Filed: 1966-09-22
Abstract: 1,140,975. Electrolytic production of α- aminopenicillins. BEECHAM GROUP Ltd. 20 Sept., 1967 [22 Sept., 1966], No. 42291/66. Heading C2A. [Also in Division C7] a-Aminopenicillins of Formula I and non-toxic salts thereof, wherein R is a phenyl, substituted phenyl or thienyl group, are obtained by electrolytically reducing a penicillin of Formula II wherein R is as defined above and Y is azido, arylsulphonamido, arylsulphenamido or arylcarbonylamino and m is H, a metal e.g. an alkali metal, ammonium or substituted ammonium ion. Typical groupings are azido, toluenep-sulphonamido, benzamido and o-nitrophenylsulphenamido groups. The examples relate to the preparation of ampicillin and x-amino-2- thienyl methyl penicillin. The starting penicillin and electrolyte are dissolved in a liquid solvent which will not chemically react with either the penicillin of Formula I or II, and the electrolyte solution is maintained at pH 1 to 9 during the course of the electrolysis and a metal cathode is used. The electrolyte may be a quaternary ammonium salt e.g. tetramethyl ammonium chloride, an alkali metal salt e.g. lithium chloride or an ammonium salt. The solvent may be an alcohol, an aqueous alcohol, aqueous acetone or water. The metal cathode may be of mercury, lead, zinc, silver, lead amalgam or zinc amalgam and the anode may be of graphite.
Patent GB-1154489-A (GB)
Title: Anchorage Devices
Inventor: ZENHAEUSERN HEINRICH
IPC: E06C9/04
Filed: 1966-09-23
Abstract: 1,154,489. Brackets. H. ZENHAUSERN. 23 Sept., 1966 [23 Sept., 1965], No. 42518/66. Heading A4B. [Also in Division E2] A flanged bracket with plug like sleeves for releasably securing the brackets by screws inserted into the sleeves has receiving means on the bracket with a portion having a reduced opening in which engages a reduced portion of a projection on an object to be anchored, to provide means for retaining the projection on the receiving means. The flanged bracket 2 has two apertures 7 for the sleeves 18 having an annular ribbed flange 17 which engages a ribbed surface 16 at the end of an aperture. The bracket has a guide tube 2b with a central core 6 and an end portion of a ring 9 of a ladder covered by a sleeve 10 is inserted in the guide tube and fits around the core. Tongues 5 on the guide tube 2b engage in recesses in the sleeve 10. Alternatively the bracket has a socket for a bolt screwed into an end of a riser supporting the rungs of a ladder. The socket has a restricted opening so that the ball is held non rotatably when the screws are tightened.
Patent GB-1515883-A (GB)
Title: Method of and apparatus for simultaneously manufacturing a plurality of sheet or board units and piling apparatus therefor
IPC: B27N3/22
Filed: 1975-10-17
Abstract: 1515883 Stacking sheets DEFIBRATOR AB 17 Oct 1975 [23 Oct 1974] 42725/75 Heading B8R [Also in Division B5] Wet or dry sheets of cellulose, fibrous material or shavings are pressed by forming stacks of two or more sheets with each sheet supported on a support plate (to produce interleaved plates and sheets), the stacks being placed in a multiple opening press so that the stacks and platens are arranged alternately. As described, a sheet 12 (Fig. 1) on a wire cloth is fed by a conveyer 16 on to a support plate 18 and then to a stacking mechanism 22. An elevator 24 raises successive stacks to insert them between two chosen press platens. After heating and pressing, an elevator 26 lowers the stacks, which are then split up and the support plates 18 recycled. Stacking mechanism 22 (see Fig. 5).-A support plate 18, wire cloth 14 and sheet 12 are received into the stacker on parallel conveyer 30. Projections 70 on lifting device 36 engage and lift the plate 18 &c. until seated on the lower flanges of pivotable members 62, which are pivoted in by cylinder 78 so that apertures 64 embrace the projections 70. The lifting device 36 then drops until below the conveyers 30, to repeat the lifting operation with a second plate 18 &c. (as shown in Fig. 5) which lifts and supports the first, uppermost plate while the stack is seated on members 62. When the stack includes the desired number of plates 18 &c., it is lowered by the device 36 on to the conveyers 30 for transfer to the elevator 24 (Fig. 1).
Patent GB-1395810-A (GB)
Title: Process for producing drawn filaments
IPC: D01F11/08
Filed: 1972-09-14
Abstract: 1395810 Stretching filaments ALLIED CHEMICAL CORP 14 Sept 1972 [23 Sept 1971 6 Dec 1971] 42763/72 Heading B5B Drawn filaments made of a synthetic linear polymer are produced by a continuous process in which filaments are melt spun at 235‹ to 350‹ C., quenched, pretensioned at a tension of between 0À005 and 0À15 g.p.d. and then stretched at a temperature between the second order transition temperature and 5‹ below the melting point. The filaments are heated to the drawing temperature instantaneously and the heating and drawing are simultaneous. This is accomplished in the examples by heating with a jet of steam to raise the temperature and localize the draw point. The process is exemplified for polyethylene terephthalate and polycaproamide.
Patent GB-1382408-A (GB)
Title: Thermostatic valves for engine cooling systems
IPC: G05D23/02
Filed: 1973-09-12
Abstract: 1382408 Valves GILARDINI INDUSTRIALE SpA 12 Sept 1973 42926/73 Heading F2V In a thermostatically-actuated valve, the thermostat 9 mounting the closure member 10 is guided by, and a spring 12 biasing the closure member to the closed position is supported by, a support element 13 which has a number of arms 15 connecting the central part to an annular rim 14. The rim is secured in a channel in the valve body by the deformation of an annular lip 19 and arranged such that the rim and lip are recessed with respect to flange face of the valve body.
Patent GB-1373580-A (GB)
Title: Gob feeder and method for feeding gob
IPC: C03B7/096
Filed: 1972-09-15
Abstract: 1373580 Forming glass gobs ASAHI GLASS CO Ltd 15 Sept 1972 [16 Sept 1971] 42983/72 Heading C1M An unsymmetric glass gob is formed by using a member to extrude molten glass through an orifice, disturbing the flow rate of the glass at the orifice so that it is greater at one part of the edge of the orifice than at another part, and cutting off the unsymmetric gob thus produced. As shown the extending member 1 is displaced from the usual position (1<1>), to one side of the axis P of the orifice 5 thereby causing the required flow rate disturbance. Alternatively, the flow rate disturbance can be obtained by providing an electric heater which heats one part of the orifice edge to a higher temperature than another part thereof.
Patent GB-1085898-A (GB)
Title: Improvements in or relating to telecommunication systems
IPC: H04Q3/00
Filed: 1964-10-22
Abstract: 1,085,898. Automatic exchange systems. SIEMENS A.G. Oct. 22, 1964 [Oct. 22, 1963], No. 43079/64. Heading H4K.  In an exchange system comprising a plurality of interexchange trunks and a common interexchange signalling channel, the latter is used only for transmitting, forward signals indicative of the identity of an incoming trunk which is to be used in setting-up a call and backward signals indicative of called party reply, while the speech channels are used for transmitting, dialling, free/busy, speech &c. signals. As shown, a calling line F1 in exchange A is allotted a GO register URv in which dialled digits are recorded. In response to routing digits, URv requests central control ZS1 to allot a free outgoing trunk e.g. F2 and seizes a signalling channel e.g. Sv2 over which the identity of the trunk is sent to a transit register TRv1 in exchange B. TRv1 sets line finder AnS1 to F2 and receives at least sufficient digits as to allow central control ZS2 to select a trunk to the next exchange e.g. C. This procedure is repeated until a transit register e.g. TRv2 determines that a terminal register e.g. ERv is required for recording the final digits of the called party's number. The call is completed in the usual way and either ringing or busy tone is reverted over the trunk. When the called party replies a signal is reverted over the signalling Return channel e.g. Sr3, Sr2 to initiate metering by ZjG. Signalling over either type of channel may be performed by phase or frequency modulated signals. The central controls may store in magnetic core stores details of all calls being dealt with. The signalling channels may comprise both-way trunks (Fig. 2, not shown). It is stated that transmission bridges are not needed on the trunks. One of the speech channels may be reserved for signalling whereby in the event of failure another speech channel can be commandeered for signalling purposes.