baber/WOPTO huggingface dataset:
Patent GB-396477-A (GB)
Title: Thermostatically controlled instantaneous water heater
IPC: F24H1/16
Filed: 1932-03-07
Abstract: 396,477. Water-tube hot-water boilers. GUILLAUMIN, L. J. A. and TILLETT, A. J., 31, Vauxhall Bridge Road, London. March 7, 1932, No. 6755. [Class 64 (i).] In a coil-tube boiler, an enlargement in the coil 1 houses the capsule 18 of a thermostatic gas valve. The coil is formed in two parts secured by a joint 2 which is provided with a pocket 3 for the capsule so as to avoid restriction of the flow of water. The capsule is connected by a pipe 4 with a bellows adapted to co-operate with a valve seat ; it may also be connected thermally by a copper tube and rod with the pilot jet.
Patent GB-949084-A (GB)
Title: The production of extremely pure material by deposition of the material from the gas phase on to a core
IPC: C23C16/06
Filed: 1961-02-23
Abstract: The apparatus of the parent Specification for the production of semi-conductor material is modified in that the reaction chamber is closed by a metal closure member having cooling ducts through which pass a liquid having a boiling point higher than that of water but lower than 750 DEG  C., e.g. decalin or paraffin oil.  The liquid may flow in a closed circuit from the closure member to a device in which it is cooled, and back to the closure member.ALSO:The apparatus of the parent Specification for the production of semi-conductor material is modified in that the reaction chamber is closed by a metal closure member having cooling ducts through which passes a liquid having a boiling point higher than that of water but lower than 750  DEG C., e.g. decalin or paraffin oil.  The liquid may flow in a closed circuit from the closure member to a device in which it is cooled, and back to the closure member.
Patent GB-161416-A (GB)
Title: Improvements in railway diamond crossings
IPC: B61J1/02
Filed: 1920-03-05
Abstract: 161,416. Coulter, H. A. March 5, 1920. Crossings with movable parts.-A diamond crossing has stationary lead rails 24 cast or secured upon a fixed bed-plate 20 on which is pivotally mounted a disc 21 carrying connecting rails 28, the ends of the rails 24, 28 being cut at an angle other than a right-angle. The edge of the disc may have teeth 31 engaged by an operating-rack 32. The bed-plate is secured upon sleepers or upon a braced-timber structure.
Patent GB-1536194-A (GB)
Title: Manufacture of hollow bodies
IPC: B29B11/08
Filed: 1976-02-20
Abstract: 1536194 Stretch blow moulding CARNAUD TOTAL INTERPLASTIC 20 Feb 1976 [20 Feb 1975 6 Aug 1975] 06805/76 Heading B5A A hollow body is blow moulded from an elongate parison of polyethylene terephthalate by expanding the parison to produce a preform in the amorphous state, axially stretching the preform to obtain a reduction in diameter of the preform including the neck portion at a temperature close to and above the glass transition temperature, and expanding the preform in a mould at a similar temperature to form a biaxially oriented hollow body. An extruded or injection mouded parison is pre-blown to the shape of Fig. 1. The false neck 4 is severed and the preform is stretched by gripping the ends or by a stem 5 or 15 while in or out of the mould. If the neck zone 6, Fig. 2, is to be thinned differential preheating of the parison is used. If a thicker neck is required expansion of the neck 19, Fig. 6, is prevented by the mould 18. The stretching stem 15 may be part of an aerosol valve, the neck portion of the parison being contracted by the stretching sufficiently to grip and retain the valve head 15a in the container.
Patent GB-648362-A (GB)
Title: Locking means for breaking struts
IPC: B64C25/26
Filed: 1948-03-04
Abstract: 648,362. Hinges. ELECTRO-HYDRAULICS, Ltd., and PERDUE, J. March 4,1948, No. 6816. [Class 65(ii)] [Also in Group XXXIII] Means for locking the parts 1 and 2 of a foldable strut in alignment comprise a locking member 9 pivoted at 14 to the part 1 and biassed by a spring 8 into the locking position when it is in compression to resist the breaking of the joint between the said parts, an abutment 6 on the part 2, and motor operated means which actuate the locking member out of engagement with the abutment. The locking member is radiused about the pivot 14 and is disengaged by the axial movement of a cylinder 13 containing a piston to provide a lost motion connection in said operating means, the piston rod 11 being pivoted at 10 to the locking member.
Patent GB-416418-A (GB)
Title: Improvements in or relating to electric switches for vehicle signalling lights
IPC: H01H61/06
Filed: 1933-03-07
Abstract: 416,418. Thermal interrupters. JABLONSKY, B., 11, Leinster Gardens, Paddington, London. March 7, 1933, No. 6897. [Class 38 (v).] In a switching arrangement, for the control of vehicle signal lights a two-way control switch, which may be manually operated by the handle N, completes at contacts K I or LI the circuit of one or other of a pair of signalling lights O, P in series with a thermal interrupter, the heating coil F of which is arranged in series with the controlled contacts CD, the control switch and interrupter being mounted within a common casing A. The thermal interrupter comprises a bimetallic strip E surrounded by a heating coil F and carrying at its free end a contact D adapted to cooperate with a fixed contact C on a bar B to which is attached the double contact I of the manually-operated control switch.
Patent GB-609094-A (GB)
Title: Preparation of 2-(ú­-aminobenzenesulphonamido)-pyrimidine
IPC: C07D239/69
Filed: 1946-03-05
Abstract: 2-p-Aminobenzenesulphonamido - pyrimidine is prepared by condensing a p-substituted benzenesulphonyl guanidine with a 3-halogenopropene-2-al-1 and if necessary converting the substituent group into a free amino group.  Suitable p-substituents are the acylamino, alkylideneamino, nitro, nitroso, azo, azido and carbamido groups.  The reaction may be effected in the presence of a condensing agent such as an alkali metal or alcoholate, a mineral acid, acid anhydride or nitrogenous base. In an example, p-acetylaminobenzenesulphonyl guanidine is added to a solution of sodium in ethyl alcohol, b -chloroacrolein is added and the mixture boiled.  The 2-(p-acetylaminobenzenesulphonamido)-pyrimidine is then de-acetylated.  In a second example, a solution of b -chloroacrolein in benzene is condensed with p-acetylaminobenzenesulphonyl guanidine in the presence of sodium dissolved in ethyl alcohol, and the product de-acetylated to give p-aminobenzenesulphonamido-pyrimidine.
Patent GB-634021-A (GB)
Title: Improvements relating to refuse collecting bins
IPC: B65F1/16
Filed: 1948-03-06
Abstract: 634,021. Refuse bins. TREECE, J. W. March 6, 1948, No. 6969. [Class 26] In a refuse bin the lid 5 is attached to the body 6 by a pair of oppositely disposed foldable linkages each comprising two arms 7, 7a pivoted at one end 7b to each other, and at the other ends 7c, 7d to the lid and body respectively. The pivots 7c, 7d are carried by vertically aligned fixing plates 5a, 6a adjacent the beaded rims of the lid and body. The lid may be moved to a substantially vertical position against one side of the body and below its top, or a projection 6c may coact with one or both arms 7a to arrest the lid in a partially dropped position on the other side.
Patent GB-613867-A (GB)
Title: Improvements relating to the production of benzene
IPC: C07C15/04
Filed: 1946-03-06
Abstract: A hydrocarbon mixture containing benzene, 2.2-dimethylpentane and 2.4-dimethylpentane, for example a petroleum naphtha, is fractionally distilled to produce a cut boiling in the range 73 DEG -77 DEG  C. by means of a column having at least 20 theoretical plates, and the cut so obtained is subjected to extractive distillation or solvent extraction or azeotropic distillation to recover, after removal of solvent, pure benzene and a naphthene-free mixture of the two dimethylpentanes.  In the preferred embodiment, a 75 DEG -77 DEG  C. cut is subjected to extractive distillation; suitable solvents being phenol, furfural, cresols, methyl phthalates, and aniline.  An Iranian light naphtha cut of approximate boiling range 68 DEG -90 DEG C. was re-fractionated in a 100-plate batch column at a high reflux ratio to give a fraction, free of cyclohexane and methylcyclopentane, which distilled between 75.9 DEG  and 77 DEG  C.  This fraction was submitted to extractive distillation with aniline.  The head product was benzene of purity greater than 99 per cent.  The solution of 2.2- and 2.4-dimethylpentanes in aniline, obtained as bottoms product, was subjected to distillation which gave a mixture of the dimethylpentanes as head fraction.
Patent GB-1412282-A (GB)
Title: Pressurised dispensers for hypochlorite foams
IPC: B65D83/14
Filed: 1972-02-15
Abstract: 1412282 Pressurized dispensing containers WILKINSON SWORD Ltd 24 Jan 1973 [15 Feb 1972] 6992/72 Heading F1R A foaming composition discharged from a pressurized dispensing container 1 passes through a head 3 having a chamber 7 containing a source 8 of hypochlorite ions which are entrained by the composition which is discharged through the nozzle 5.
Patent GB-1114497-A (GB)
Title: Improvements in or relating to semiconductor devices
IPC: H01L27/02
Filed: 1966-02-17
Abstract: 1,114,497. Integral circuits; circuit assemblies. DOW CORNING CORPORATION. 17 Feb., 1966 [28 June, 19651, No. 7058/66. Headings H1K and H1R. Semi-conductor devices such as diodes and transistors are formed in islands of silicon embedded in an electrically insulating but thermally conductive substrate of silicon carbide. External connections are thermocompression bonded to metal deposits extending to relatively large silicon bonding pads also embedded in the substrate but thermally insulated therefrom by a silicon oxide layer. The concept is illustrated by a structure which is made by photo-resist masking and etching a silicon wafer to leave mesas 12, 14, 13 which are to form bonding areas and a device. The mesacontaining surface is then thermally or steam oxidized to form an oxide coating 15 which is then selectively removed from the mesa in which a device is to be formed. Silicon carbide is deposited by decomposition of methylcontaining chlorosilanes to form a substrate 16, and the base portion of the silicon wafer is lapped and/or etched away to leave the mesa portions as islands in the substrate. An active device is formed in region 13 by planar techniques; any necessary inductors, capacitors, resistors, or insulating layers and the connections to the bonding pads are formed by thin film techniques; and the external leads are individually thermocompression bonded to the connections at the bonding pads, heat transmission to the other bonding pads (and to the active device) being prevented by the presence of the oxide layer 15.
Patent GB-311858-A (GB)
Title: Improvements in or relating to apparatus for delivering measured volumes of fluids
IPC: B67D7/60
Filed: 1928-03-07
Abstract: 311,858. Morrison, A. E., and Morrison, A. C. March 7, 1928. Fixed-chamber apparatus. -Liquid under pressure is measured from a cylinder 1 containing a piston 4. Ports 2, 3 communicate with adjoining cylinders 9, 10 having openings 11, 13 leading to the supply and discharge pipes, respectively; while a further port 12 connects the cylinders 9, 10. A spring- pressed hollow valve-piston 14 covers the opening 13 during the filling operation but leaves free the port 12 whereby the liquid has access to both sides of the piston by the passages 11, 9, 12, 15, 3 and 11, 9, 2. Owing to the differing areas exposed above and below the piston 4 the latter rises. On the completion of the filling stroke, the valve 14 is lifted by a lever 20, thus uncovering the discharge 13 and covering the port 12. The liquid pressure is now operative by way of the port 2 only. Discharge proceeds until a tappet 35 on the piston-stem 5 presses on one of a number of projections 34 adjustably fixed to the rod 32, To the lower end of the rod 32 is connected a bell-crank lever 28 having forked' arms embracing a cross-pin from a spring-pressed catch 24 for retaining the valve 14 in the position to which it has been lifted by the lever 20. Depression of the rod 32 therefore releases the valve 14 and stops delivery. The rod 32 is supported vertically in a bracket 25, and the arms 34 are adjusted so that a predetermined quantity is delivered when one of the arms is depressed by the tappet 35. A radial arm 36 with a depending spring-pressed pin for entering cavities in the calibrated head 39 of the bracket 35 facilitates and guides adjustment. In a modified construction, Fig. 5, a two-way valve 60 replaces the sliding piston-valve. The upper side of piston 4 is continuously in communication with the supply pipe 59 by way of pipe 64. Depression of the handle 20a puts the port 3<a> in alignment with the delivery pipe 63; this position is maintained by the engagement of a lug 20b with the end of a lever 24<a>. Release occurs, and delivery ceases, when the falling arm 35 depresses rod 32<a> and trips the lever 24<a>. Refilling then occurs through the pipe 61. According to the Provisional Specification the chamber 1 may contain any desired minimum quantity of liquid, and means may be provided for control by the piston to cause the latter to operate repeatedly until the desired number of unit quantities has been delivered; further delivery is then automatically stopped.
Patent GB-487706-A (GB)
Title: Improvements relating to fishing rod handles
IPC: A01K87/08
Filed: 1937-03-11
Abstract: 487,706. Fishing-rods. ACCLES & POLLOCK, Ltd., and HENDERSON, L. B. March 11, 1937, No. 7144. [Class 48] In a fishing-rod handle with a recess between the ends thereof for receiving the reel, a trigger o pivoted on the handle actuates a slide j, housed in a fixed guide i and engaging one end of the reel bracket f. The other end of the bracket is housed in a recess h. The slide has a slot or gap k engaging the bracket and may be pressed into engagement by a spring n contained within the handle.
Patent GB-452159-A (GB)
Title: An improved production of x-ray photographs
IPC: G03C5/17
Filed: 1935-03-07
Abstract: 452,159. R÷ntgen ray photographs. I. G. FARBENINDUSTRIE AKT.-GES., Frankfort-on-Main, Germany. March 7, 1935, No. 7163. Convention date, May 2, 1934. [Class 98 (i)] In producing radiographs, two intensifying screens containing substances which fluoresce in different regions of the spectrum are placed on opposite sides of a film bearing two lightsensitive layers each sensitized for the spectral region in which the adjacent screen fluoresces. Screens fluorescing yellow and green respectively may be associated with a film bearing a yellow-sensitive and a green-sensitive layer ; or a screen fluorescing yellow-red and yellowgreen and a screen fluorescing blue, violet and ultra-violet may be associated with a film bearing a layer sensitive to yellow-red and yellow-green and a sensitive layer not specially colour-sensitized. To ensure correct insertion of the film into the cassette, marks, pins, projections, &c., are provided on the cassette for engagement with corresponding marks or perforations on the film, and reference is made in this connection to Specification 434,371. The intensifying screens may be distinguished by marking or colouring on their backs.
Patent GB-851723-A (GB)
Title: Improvements in or relating to the polymerization of olefines
IPC: C08F10/00
Filed: 1957-03-04
Abstract: Ethylene is polymerized using as catalyst an addition compound of a hydrocarbon having at least a pair of conjugated double bonds or at least one double bond activated by an adjacent aromatic ring with a metal of the second or third group of the Periodic Table or with an alkali metal in an amount of two or less atoms of alkali metal per molecule of hydrocarbon.  A halide of a metal of the fourth, fifth or sixth group may also be present.  The additive compounds of metals of the second and third groups may be prepared in situ from the alkali metal addition compound and a compound of one of the metals, e.g. magnesium, zinc, aluminium bromides or halides or Grignard compounds or alkyl zinc halides.  Specified hydrocarbons are anthracene, stilbene, diphenyl-butadiene, tetraphenyl-ethylene, fulvene and phenanthrene.  Specified fourth and above groups compounds are titanium tetrachloride, cerium trichloride and nickel chloride.  A solvent e.g. xylol, transformer oil, benzole and heptane may be used.ALSO:An ethylene polymerizating catalyst comprises an addition compound of a hydrocarbon having at least a pair of conjugated double bonds and at least one double bond activated by an adjacent aromatic ring with a metal of the second or third group of the Periodic Table, or with an alkali metal in an amount of two or less atoms of alkali metal per molecule of hydrocarbon.  A halide of a metal of the fourth, fifth and sixth group may also be present.  The addition compounds of metals of the second and third groups may be prepared in situ from the alkali metal addition compound and a compound of one of the metals e.g. magnesium, zinc, aluminium bromides or halides or Grignard compounds or alkyl zinc halides.  Specified hydrocarbons are anthracene, stilbene, diphenyl butadiene, tetraphenylethylene, fulvene and phenanthrene.  Specified 4th-6th group compounds are titanium tetrachloride, cerium trichloride, and nickel chloride.
Patent GB-962916-A (GB)
Title: Float for use in a pressurised chamber
IPC: F16K31/22
Filed: 1961-02-28
Abstract: 962,916. Steam traps. NUQUIP Ltd., and C. D. P. SMALLPEICE. Feb. 5, 1962 [Feb. 28, 1961], No. 7212/61. Heading F4U. [Also in Division F2] A float chamber is formed by a tubular body 11 to which end caps are fitted by internal bolts 16 which act as guides for a float 28. The chamber has an inlet 19 with radial discharge ports 21 adjacent a filter 24, and a drain outlet 27 embodying a seat for a closure member 37 attached to the underside of the float. The float may be in the form of a bottle or ball, the neck of which is provided with a screw cap 32 through which extends a hollow stem 33 opening into a tube 34 that depends into the float; the chamber communicates with the stem 33 via radial ports 36 shrouded by a headmember 35. The float is made of very thin metal or resilient plastic. Vapour, e.g. wet steam or compressed air enters the inlet 19 and the liquid part thereof settles in the bottom of the chamber and eventually causes the float to rise and open the outlet 27 whereupon the gas pressure discharges the liquid through the outlet 27. Concomitantly the gas in the chamber enters the float by the ports 36 so pressure balancing the float to avoid collapse of its walls. The head member 35 tends to prevent suspended liquid entering the float; if this should occur, then upon the end of the tube 34 being covered by this liquid the latter will be discharged into the chamber when the pressure therein falls below that in the float. Liquid in the chamber below the seat in the outlet 27 may be drained by a manually-actuated valve. To provide for pressure equalization across the float walls in the event of a rapid pressure increase in the vapour, the float shoulder embodies a spring-loaded flap valve.
Patent GB-325710-A (GB)
Title: Improvements in and in means for the production of variegated or parti-coloured yarns
IPC: D02G3/34
Filed: 1929-03-06
Abstract: 325,710. Greg, H. P. March 6, 1929. Rollers and roller heads.-In the production of variegated or parti-coloured yarns, a, number of differently coloured ends r, Fig. 1, are passed through guide eyes b<1> on a traverse bar b to rollers c, c', then through yarn guides d' having eyes, apertures, or divisions mounted on a traverse bar d connected to the bar b by brackets d<2>, then through rollers e, f and g, g<1> to the thread board h and are finally twisted on a spool or bobbin i to produce a cop. The roller e has a number of flats e<1>, Fig. 3, extending over two sections, the flats of one section breaking joint with those of the other. The traverse of the yarns from one to the other of these sections produces a snatch on the individual yarns r which shows itself in the formation of a variegated product.
Patent GB-106336-A (GB)
Title: Improvements in and relating to Methods of and Apparatus for Making Imitation Leather.
Inventor: ALEXANDER ALBERT EDGAR
IPC: D06N3/02
Filed: 1916-05-22
Abstract: 106,336. Alexander, A. E., (Ditratex Co.). May 22, 1916. Drawings to Specification. Varnishes and japans.-In the production of artificial leather by coating a fabric a varnish is used consisting of a solution of nitrated cotton and a vegetable oil, preferably rape-seed oil. The quantity of oil is reduced in successive coatings. A coating of leather-japanning composition consisting of boiled linseed oil, naphtha and an opaque pigment is also applied and baked at a temperature of 150-180‹ F.
Patent GB-1382768-A (GB)
Title: Derivatives of acetonyl indole and preparation thereof
IPC: C07D209/08
Filed: 1973-02-14
Abstract: 1382768 Derivatives of 3-acetonylindole CLIN MIDY 14 Feb 1973 [16 Feb 1972] 7331/73 Heading C2C The invention comprises indoles, and their salts with pharmacologically acceptable acids, wherein R<SP>1</SP> is Ph (possibly substituted by halogen, NH 2 NO 2  or C 1-6  alkoxy), PhCH 2  (possibly substituted by halogen or C 1-6  alkoxy), pyridyl or C n H 2n NR<SP>4</SP>R<SP>5</SP> (n = 2-4 and R<SP>4</SP>, R<SP>5</SP> are each H or alkyl); R<SP>2</SP> is H and R<SP>3</SP> is OH, or R<SP>2</SP>R<SP>3</SP> is :O or :NOR<SP>6</SP>, where R<SP>6</SP> is H, C 1-6  alkyl, C 1-6  acyl or C m H 2m NR<SP>7</SP>R<SP>8</SP> (m = 2-4 and R<SP>7</SP>, R<SP>8</SP> are each C 1-6  alkyl). In examples, the ketones (R<SP>2</SP>R<SP>3</SP> = :O) are prepared by acid hydrolysis of the corresponding 3-[(2-methyl-1,3- dioxolan-2-yl)methyl]indole (exceptionally when R<SP>1</SP> is aminophenyl, by reducing the nitroanalogue); the oximes (R<SP>2</SP>R<SP>3</SP> = :NOH) by reacting the ketones with NH 2 OH; the oxime derivatives (R<SP>2</SP>R<SP>3</SP> = :NOR<SP>6</SP>) by reacting the oximes with an appropriate alkyl halide or acid anhydride; and the alcohols (R<SP>2</SP> = H, R<SP>3</SP> = OH) by reducing the ketones with NaBH 4 . Also prepared are the semicarbazone of the compound in which R<SP>1</SP> = p-ClC 6 H 4 CH 2  and R<SP>2</SP>R<SP>3</SP> = :O; and 3 - [2 - methyl - 1,3 - dioxolan - 2 - yl)- methyl]indole. Therapeutic compositions for oral, parenteral, rectal or local administration comprise compounds of the above general formula, which have analgesic and tranquillizing activity.
Patent GB-1061734-A (GB)
Title: Improvements in or relating to pyrazine derivatives
IPC: A23L27/20
Filed: 1964-02-21
Abstract: Novel compounds of formula <FORM:1061734/C2/1> wherein X represents oxygen or sulphur, and one of the symbols R1, R2 and R3 represents a methyl radical, the other two representing hydrogen, are prepared by subjecting a monohalogenated methylpyrazine to a treatment by known methods for the replacement of the halogen atom by a methylmercapto or methoxy group.  The mono-halogenated methylpyrazines may be prepared by treating methylpyrazine with hydrogen peroxide and reacting the resulting N -oxides with a phosphorus oxyhalide, or by direct halogenation of methylpyrazine with free halogen.ALSO:Flavouring compositions comprise compounds of formula <FORM:1061734/A1-A3/1> wherein X represents oxygen or sulphur, and one of R1 R2 and R3 represents a methyl radical, the other two representing hydrogen, and a non-toxic diluent suitable for human consumption.  Suitable diluents include propylene glycol, triacetin, benzyl alcohol and nearly tasteless oils such as peanut oil.  The compounds may also be processed with other flavouring substances into flavour essences which can be used as such or after dilution, e.g. in the solvents mentioned above.  An example describes a composition comprising maltol, g -nonalactone, benzaldehyde, acetylpropionyl and a mixture of isomeric methyl-methylonercaptopyrazines in benzyl alcohol and triacetin.  The compositions are used to impart a flavour of roasted hazelnuts, peanuts or almonds to foodstufls, beverages and pharmaceutical preparations, such as chocolate, ice-cream, puddings, baking products, confectionery and milk products such as yogurt, edible fats, milk and creams.