baber/WOPTO huggingface dataset:
Patent GB-919156-A (GB)
Title: Improvements in and relating to electric circuit interrupters
Inventor: HEWITT JOHN
IPC: H01H33/88
Filed: 1958-11-13
Abstract: 919,156. Fluid-blast switches. ENGLISH ELECTRIC CO. Ltd. Nov. 6, 1959 [Nov. 13, 1958], No. 36495/58. Class 38 (5). The switch of Specification 818,772 is provided with a relief port 38a in the, or each of the, pump chambers 36, so that during an opening operation of the switch, a predetermined separation of the contacts is attained before the pump tends to cause, under the action of its actuating spring or springs 37, a flow of fluid into or across the space or spaces between the separating contacts (not shown).
Patent GB-169408-A (GB)
Title: Improvements in hydro-aeroplanes
IPC: B64C35/00
Filed: 1920-12-30
Abstract: 169,408. Winckelmann, M. Dec. 30, 1920. Aeroplanes; propelling; planes, arrangement of.-The planes of a hydro-aeroplane are attached to the sides of its buoyant body at deck level, and propellers at each side are at the height of the planes when the machine is in flight, but are adapted to be swung upwards about a shaft or shafts so as to clear the water when the machine is alighting. The propellers may be swung about a common transmission shaft t by elongating a strut s by a hydraulic device or a screw within the strut.
Patent GB-963252-A (GB)
Title: Improvements in or relating to operating mechanism for mechanical lighters
Inventor: GODDARD JOHN ANSELL
IPC: F23Q2/52
Filed: 1959-10-28
Abstract: 963,252. Smokers' lighters. RONSON PRODUCTS Ltd. Oct. 14, 1960 [Oct. 28, 1959], No. 36617/59. Heading F4F. A lighter comprises an operating lever 10 pivoted by a pin 11 on the body 12 of the lighter and provided with toothed segments 14 engaging pinions 15 on a shaft 16 carrying a friction wheel 17 and a clutch-plate, the operating lever being urged to an inoperative position by a roller 28 on the end of a member 27 pivoted on an axis 32 and urged to rotate counterclockwise by a tension spring 29. The pivot pin 11 of the operating lever 10 bears in a slot in a bearing member 23 soldered to the lighter body 12 and in a second slot in a bracket 24 which abuts the lighter body and to which the member 27 is pivoted. The tension spring 29 extends between the spindle of the roller 28 and the pivot pin 11. Abutments on the bracket 24 and the pivotal member 27 limit the counterclockwise rotation of the pivotal member 27 to a position in which the angle a between the normal b to the operating lever 10 and the line c through the axis 32 of the pivotal member 27 is ten degrees. The lighter includes a gas reservoir 19, an inlet valve 20 and a burner valve 18. In a further embodiment, Fig. 4 (not shown), the operating lever is mounted on the top of the lighter body.
Patent GB-1428277-A (GB)
Title: Production of unsaturated acids and esters
IPC: C07C57/42
Filed: 1973-08-02
Abstract: 1428277 α,#-Unsaturated acids and esters MONSANTO CO 2 Aug 1973 [3 Aug 1972 (2)] 36707/73 Heading C2C α,#-Unsaturated acids and esters are obtained by condensing at 400 to 600 C. a compound of Formula I: R-CH 2 -COOR<SP>1</SP>, wherein R is hydrogen or an alkyl, aryl or alicyclic radical and R<SP>1</SP> is hydrogen or an alkyl radical, with formaldehyde in the vapour phase and in the presence of water and a catalyst comprising an alkali metal compound dispersed on a solid carrier, the alkaline supported catalyst having a specific surface area of 350 to 1000 m.<SP>2</SP>/g. (B.E.T.), the feed mole ratio of H 2 O to formaldehyde being from 0À01 : 1 to 10 : 1 and, where R<SP>1</SP> represents alkyl, the feed mole ratio reactant ester : formaldehyde being from 0À1 : 1 to 7À5 : 1 and the alkyl, aryl and alicyclic radicals containing a sufficiently low number of carbon atoms that the products are readily vaporizable without substantial decomposition. The condensation may be effected in the presence of an alkanol R<SP>1</SP>OH (e.g. 1-8 C atoms), the product in the case of an acid starting material then comprising the corresponding unsaturated ester. The formaldehyde may be added as anhydrous paraformaldehyde, trioxane, or as an aqueous or alcoholic solution. Preferred mole ratios of acid starting material I to formaldehyde are 0À1 : 1 to 7À5 : 1, of alkanol to formaldehyde of 0À1 : 1 to 20 : 1 and, in the case of an acid starting material I, of alkanol to acid of 1 : 1 to 5 : 1. The preferred catalyst is KOH dispersed on silica gel. Other specified catalysts are LiOH, NaOH, RbOH, CsOH and alkali metal carbonates and other specified carriers are SiO 2 , Al 2 O 3  and SiO 2 /Al 2 O 3 . Examples prepare acrylic acid and its methyl, ethyl and 2-ethylhexyl esters, methacrylic acid and its methyl ester, α-propyl acrylic acid and its isopropyl ester. Other specified starting materials are butyric acid and its methyl ester, phenylacetic acid and its methyl ester, 2-ethylhexyl acetate and nbutyl and ethyl propionate.
Patent GB-443985-A (GB)
Title: Improvements in or relating to a process for the production of goods of or containing rubber or similar material
Filed: 1934-12-22
Abstract: Layers f finely porous rubber are made by spreading an artificial or natural dispersion of rubber, guttapercha, balata, &c. on a fabric or other backing surface having numerous fine perforations, and blowing therethrough a coagulating gas, such as air charged with acetic acid vapour.  The sheet may then be vulcanized.  The backing surface may be treated to facilitate stripping of the sheet, and the rubber dispersion may contain substances to make the product water-repellent, e.g. paraffins, esters, fatty acids, alcohols, zinc or magnesium stearate, chlorinated compounds.  The dispersions used may be those described in Specification 219,635 or 290,313, [both in Class 70], or may be prepared from coagulated or vulcanized rubber, waste or reclaim.
Patent GB-1115557-A (GB)
Title: Motor car body ventilation
Inventor: ATTWOOD WILLIAM SPENCER
IPC: B60H1/26
Filed: 1966-08-18
Abstract: 1,115,557. Vehicle roofs. VAUXHALL MOTORS Ltd. 18 May, 1967 [18 Aug., 1966], No. 37024/66. Heading B7B. The rear part of the roof 3 of a station wagon with an upwardly opening door 2 is provided with a reinforcing member 7 secured at intervals to the roof to form channels 9 through which air is extracted for discharge through apertures 19 in the roof and the gap 14 between the door and roof.
Patent GB-891885-A (GB)
Title: Improvements in or relating to polarimeters
Inventor: YOUNG NIELS OWEN
IPC: G01J4/04
Filed: 1957-11-28
Abstract: 891,885. Polarimeters. BENDIX ERICSSON U.K. Ltd. Nov. 28, 1958 [Nov. 28, 1957], No. 37063/57. Class 97(1). [Also in Group XL(b)] A Polarimeter uses the Kerr magnetic effect to determine the optical activity of a substance. As shown Fig. 1, a polarimeter comprises a light source 1, an apertured opaque screen 2, a lens 3, a polarizer 4, an optional transparent element 8 of a material capable of exhibiting the Faraday effect, an electromagnet 10 having a highly polished surface 12, an analyser 13, a filter 14 and a photoelectric detecting device 15. Operation is as follows. Before the specimen 16 is placed in the light path, and with electromagnet 10 switched off, the analyser is adjusted to obtain minimum reading at the detector 15. With the specimen 16 of optically active substance in the position shown, the current in electromagnet 10 is adjusted in magnitude and direction until the combined Faraday and Kerr magnetic effect (or Kerr magnetic effect alone if element 8 is not used as may be the case when using U.V. light) is sufficient to counteract the rotation produced by the specimen 16. Said current may be calibrated to give a direct reading of the rotation. In a modification, the electromagnet may be energized before and after placing the specimen in the polarimeter by an alternating current of frequency F, compensation for the rotation produced by the specimen being obtained by superimposing a direct current on the alternating current of sufficient strength and direction that the light reaching detector 15 is returned to its original form which was characterized by a frequency of 2F. Suitable electronic filter circuits for detecting the end point may be coupled to the detector 15. In a further modification, the light rays in their passage between polarizer and analyser are reflected from two similar electromagnets, the first of which is energized with the alternating current only, and the second of which is energizable by the variable direct current for compensation purposes.
Patent GB-1057423-A (GB)
Title: Organosiloxane block copolymers
IPC: C08G77/00
Filed: 1964-09-10
Abstract: <FORM:1057423/C3/1> wherein each R and each R1 is a methyl, ethyl, phenyl or vinyl radical, x is an integer of from 5 to 400 and y is 0 or an integer of from 1 to 40, there being on each siloxane block (the average R/Si ratio being 1.9 to 2.0) at least 2 Si-bonded oxygen atoms each having an unsatisfied valency bond attached to (2) a coupling unit bonded to block (1) through the Si-bonded oxygen atoms which has the general formula <FORM:1057423/C3/2> wherein Z is a <FORM:1057423/C3/3> radical and n is 0 or 1, the coupling units (2) joining block (1) to (3) blocks of the unit general formula R11SiO 3/2, wherein R11 is an aryl, alkaryl or halo-aryl radical, through the oxygen atoms of (2) designated -O 1/2, the amount of blocks (1) is from 5-99 mol. per cent and the amount of blocks (3) is from 1 to 95 mol. per cent based on the total amount of (1) and (3) present. The copolymer can be made by (A) reacting a siloxane of the formula <FORM:1057423/C3/4> with a compound of the general formula Y-SiX3, wherein Y is halogen, -OSiCl3, -OSiBr3, <FORM:1057423/C3/5> or -SiCl3 and X is halogen, the compound being present in an amount of at least one mol. per -OH group of the siloxane; (B) thereafter mixing the reaction product formed in (A) with a compound which is (a) a silane of the formula R11SiX3; or (b) a hydrolysate of (a) or (c) a mixture of (a) and (b); and (C) hydrolysing the resulting mixture to form the desired block copolymer.  The coupling reaction is usually effected in moisture-free solvent solution and in the presence of an acid acceptor, and the hydrolysis is effected in the presence of a condensation catalyst, many examples of which are given.  The products are resinous when x + y = 5 to 95 and rubbery when x + y = 110 to 400. The products, optionally mixed with known fillers, pigments and additives, can be cured to resins or rubbers by adding curing catalysts, e.g. amines, metal carboxylates and salts such as tetramethylguanidine octoate, and allowing the system to set at ambient temps. or by heating slightly.  In a typical example (1) a toluene solution of an hydroxy-terminated dimethylpolysiloxane was added to a toluene solution of SiCl4 and pyridine and agitated for 30 minutes, then C6H5SiCl3 was added thereto and the mixture was poured into water and heated to 75 DEG  C.; the organic solution was separated from the aqueous phase, washed, azeotroped dry, and then refluxed, after addition of potassium phenoxide, to give a solution which, after purifying and freeing of solvent, yield the desired block copolymer.  Uses: the resins are used in coating, encapsulating, laminating and moulding applications, and the rubbers are used for shock-resistant materials, electrical insulation, gasketting, cloth coating and sealing compounds.
Patent GB-1497169-A (GB)
Title: Sealing arrangement for pushdown gate in a can lid
IPC: B65D53/06
Filed: 1975-09-10
Abstract: 1497169 Sealing can lids G B KLEIN 10 Sept 1975 37168/75 Heading B8D In a can lid L with a push-in gate panel 20 underlying an aperture 21 and separated from the lid by a spacer strip 22 formed by enlarging and underfolding a portion of lid L, a settable wax-like sealer-filler 30 is applied in fluid form as a fillet 32 about aperture 21 and enters between the strip 22 and panel 20 as a capillary layer before entering a lanced opening 25 in a score line 23 surrounding the panel. A plug 31 is formed by the filler in opening 25. The filler may be a blend of paraffin waxes, or a polymeric sealant with the general characteristics of an ethylene vinyl acetate copolymer which is applied as a heated liquid which later sets.
Patent GB-1185790-A (GB)
Title: Process for Improving the Surface of Synthetic Materials
Inventor: DIETZEL KARL
IPC: C23C14/10
Filed: 1968-08-05
Abstract: 1,185,790. Vapour deposition of silicon oxides. FARBENFABRIKEN BAYER A. G. Aug. 5, 1968 [Aug.3, 1967], No.37173/68. Addition to 1,144,099. Heading C7F. Synthetic resins are coated with SiO x  (x = 1-2) to a thickness of 2-5Á by evaporating a mixture of 95-98À5% SiO 2  and 5-1À5% of at least one oxide of Zn, Zr, Sb, Cr by an electron beam source at an energy density of 5-15 KW/sq. cm. and an effective evaporating surface of 0À3-0À6 sq. cm. at a  partial pressure of SiO x  of at least 1 x 10<SP>-2</SP> mm. Hg, the object to be coated or the electron beam vaporizer being moved during deposition so that at least 40 successive layers are deposited at a mean condensation rate of SiO x  of 90-110A‹/sec. The resin may be electrostatically discharged prior to deposition which is carried out at 10<SP>-4</SP> to 10<SP>-6</SP> mm. Hg and optionally in the prescence of oxygen. Suitable resins are:- terephthalic acid ethylene glycol polyester; polycarbonates; linear thermoplastic polyarylene polyethers; cross linked materials such as epoxide resins hardened by acid anhydrides or amines, and polymeric diethylene glycol-bis-alkyl carbonate. The substrate may be the solid resin or any material coated with lacquer films such as polyurethane, lacquers, nicinene/ alkyd resin/aminoplast lacquers, epoxide resin, melamine resin and isocyanate, silicone resin, expoxy esters, cyclized rubber and acrylic resin.
Patent GB-1217689-A (GB)
Title: Ethyl esters of fluro-acetic acids
Inventor: CAVALLERI BRUNO
IPC: C07C57/58
Filed: 1967-08-14
Abstract: 1,217,689. Ethyl esters of fluoro-acetic acids. GRUPPO LEPETIT S.p.A. 24 July, 1968 [14 Aug., 1967], No. 37197/67. Heading C2C. Novel compounds of the formula wherein R is aryl, preferably dibenzofuranyl or a phenyl radical substituted in the para-position with C 1-8 alkyl or C 1-8  alkoxy, may be prepared by (a) treatment of wherein M is an alkali metal atom, in an inert anhydrous organic solvent, with a cationic ionexchange resin at 50-75 C., (b) treatment of with an equimolar amount of 2-chloro-1,1,2- trifluoro-triethylamine in an inert anhydrous organic solvent, or (c) treatment of with an equimolar amount of an alkali metal hydroxide in ethanol. Therapeutic compositions containing the above compounds have anti-inflammatory activity and are administered orally in admixture with a diluent or carrier.
Patent GB-522980-A (GB)
Title: Improved means for exhausting dust laden air and depositing the dust therefrom
IPC: E21F5/02
Filed: 1938-12-22
Abstract: 522,980. Washing gases. 'BIVAC AIR CO., Ltd., McLEAN, G. E. Dec. 22, 1938, No. 37263. [Class 55 (ii)] Dust-laden air is purified in a duct or suction box d which is wide and shallow and into which the air is drawn by several ejectors g each comprising a compressed air nozzle delivering into a convergent-divergent nozzle which may be formed by parallel branches h of the duct, the air then passing into a common duct i in which is delivered a mist of water from nozzles j wetting the dust to discharge it as a slurry at m. The duct, which is arranged below a coal delivery conveyer a, has an open end c over a coal truck b and has valve controlled inlet e on its underside near the moving coal. Compressed air is fed by the pipe k to the water nozzles j, which deliver water in a direction opposite or transverse to the main air stream.
Patent GB-1138079-A (GB)
Title: Electrode wire for welding and building up with an open arc without additional shielding
Inventor: SLUTSKAYA TAMARA MARKUSOVNA
IPC: B23K35/30
Filed: 1966-08-19
Abstract: 1,138,079. Welding by fusion. INSTITUT ELEKTROSVARKI IMENI E.O. PATONA. 19 Aug., 1966, No. 37269/66. Heading B3R. [Also in Division C7] Welding wire for unshielded welding or building up, of steels comprises (in per cent by weight): the balance being iron.
Patent GB-1338293-A (GB)
Title: Anti-lock vehicle brake systems
IPC: B60T8/50
Filed: 1971-08-09
Abstract: 1338293 Anti-lock vehicle braking system MULLARD Ltd 9 Aug 1971 37353/71 Heading F2F An anti-lock vehicle braking system comprises a source providing pressurized braking fluid and connected by a fluid pressure connection 11, 12 to a brake 9, a solenoid valve mechanism 4, a control circuit 6 responsive to an electrical input from a wheel movement sensor 5 to produce an electrical output to energize the solenoid valve mechanism when a particular criterion related to wheel rotational movement obtains and a relief connection 14 interconnected with the fluid pressure connection or the brake and adapted to be opened by the solenoid valve mechanism on energization thereof to relieve braking pressure. The system further includes an unbalanced valve 13 which is located at the junction of the relief connection 14 and the main part of the system and is displaceable by flow of fluid from the brake into the relief connection, upon energization of the solenoid valve mechanism 4, to close the fluid pressure connection between the source and brake. The unbalanced valve 13 remains closed, following the subsequent de-energization of the solenoid valve mechanism 4, until the pressure of fluid at the brake side of the valve 13 increases to a predetermined value relative to the value of pressure of fluid at the fluid pressure source side thereof. This increase of braking pressure is at a rate controlled by a control valve 22 through which fluid from the source by-passes the unbalanced valve 13 to reach the brake and which is adapted to progressively increase the rate as the value of braking pressure increases relative to a reference value of pressure. In the construction shown the reference value of pressure is that in the relief connection, the pressure working on an area Al of the control valve. The reference value may however be the atmosphere. Fluid in the relief connection 14 is returned to the fluid pressure connection 11, 12 by a wheel driven pump 7. The control valve 22 comprises a flow measuring piston having an area A3. In modifications the flow measuring piston may be provided with a hole or holes to permit passage of fluid therethrough or the chamber in which the control valve is situated may be by-passed. The unbalanced valve and control valve may be adapted for use in air brake systems.
Patent GB-906180-A (GB)
Title: Sealed synthetic plastic containers
IPC: B65D77/20
Filed: 1960-10-31
Abstract: 906,180. Opening containers. PLASTOMATIC CORPORATION. Oct. 31, 1960 [Nov. 10, 1959], No. 37387/60. Class 66. A container 11 of synthetic plastics material has a flange 12 formed with opposed grooves 13, 15 which enable the outer portion of the flange and a cover 16 of plastics film to be torn off. The cover 16, which may be of polyethylene, coated cellophane, or polypropylene, is heatsealed to the flange 12, and they may be used together, after the flange 12 is torn, to form a re-usable cap. A tab 18 aids in tearing the flange. The groove 13 may extend only part of the way round the periphery of the flange 12 so leaving an ungrooved portion of the flange to form a hinge for the cover; similarly, the groove 15 may either be part-circular or endless. The container may be moulded from polyethylene, or polyprophylene. The cover may be of transparent film to enable viewing of the container contents, or it may be treated to make it microporous and allow the passage of gas but not of moisture. The container may be of rectangular cross-section.
Patent GB-1430828-A (GB)
Title: Continuous hot-dip galvanizing process for steel strip
IPC: C23C2/06
Filed: 1973-08-08
Abstract: 1430828 Hot-dip zinc galvanizing steel strip NIPPON KOKAN KK 8 Aug 1973 [10 Aug 1972] 37507/73 Heading C7F In continuous hot-dip galvanizing steel strip in which the strip is pre-heated above the dipping temperature and is cooled in three steps, viz rapid, slow and rapid, the final cooling is controlled to give a strip temperature of 460-300C immediately prior to passing into the molten zinc. Conventional processes of preparing the strip are used with e.g. an air cooler or fan for the final step. The strip entry temperature to the bath may be monitored and controlled constant by automatic retroactive control of the cooler. In this process the zinc bath must be externally heated.
Patent GB-1158748-A (GB)
Title: Lasting Machine
Inventor: KAMBORIAN JACOB SIMON
IPC: A43D27/00
Filed: 1968-02-23
Abstract: 1,158,748. Boots &c. J. S. KAMBORIAN. 23 Feb., 1968 [8 March, 1967], No. 37727/68. Divided out of 1,158,743. Heading A3B. The subject-matter of this Specification forms part of that described in Specification 1,158,743 but the claims are concerned with a lasting machine having a pair of wipers and a bedding tool which fills at least part of the gap which opens between the rear edges of the wipers when they swing towards each other.
Patent GB-899103-A (GB)
Title: Improvements relating to reversible window frames
Inventor: ROBERTS REGINALD
IPC: E05C17/50
Filed: 1959-11-09
Abstract: 899,103. Stays. HOPE & SONS Ltd., HENRY. Feb. 8, 1961 [Nov. 9, 1959], No. 37857/59. Class 65(1). A reversible window 11, which can be turned through approximately 180 degrees with respect to its frame 10 about a horizontal pivot axis 12, is provided with an L-shaped releasable stay 13 which is pivotally attached to the window by means of a headed pin 16 engaging an elongated slot 18 in the stay and is secured to the frame by means of a roller 21, attached to an end of the stay, which runs in a guide channel 20 provided on the frame. The upper part of the channel is provided with a notch through which the roller is withdrawn when the stay is disconnected from the frame. The stay secures the window in its normally open position and also secures the window in its reversed position by means of a hooked portion 24 which engages in a slot 25 provided on the frame.
Patent GB-875208-A (GB)
Title: Improvements in hinges for windows, doors and other hingedly connected elements
IPC: E05D7/10
Filed: 1959-01-19
Abstract: 875,208. Hinges and pivots. EMBERLAND, G. Jan. 19, 1959 [April 10, 1958; Aug. 20, 1958], No. 37876/60. Divided out of 875,207. Class 65(2). A separable hinge comprises a first plate 2 having sockets 6, 7 and a hinge pin 8 fixed in the upper socket 6 and a second plate 1 having a halfsocket 5 to fit and guide the hinge pin axially and a coaxial upwardly projecting pivot pin 4 adapted to fit the bore of the lower socket 7, the axial length of the socket 7 being somewhat less than the distance between the half socket 5 and the end of the pivot pin 4. The socket 3 carrying the pin 4 supports a tapered ring 9, preferably of nylon or the like, which engages a correspondingly tapered cavity 10 in the socket 7.
Patent GB-1441534-A (GB)
Title: Tyre chain link unit
IPC: B60C27/08
Filed: 1974-08-30
Abstract: 1441534 Tyre chains for vehicles EISENUND DRAHTWERK ERLAU AG 30 Aug 1974 [1 Sept 1973] 37964/74 Heading B7C In the illustrated link unit, for a tyre chain, in which, in use, edge 9 engages the ground and edge 10 engages the tyre surface, the dimensions 19 and 30 are equal and are each approximately equal (as defined in the Specification) 4 x the dimension 18. Relationships between dimensions 20, 21; 20, 25 ; 20, 27; 20, 22;, 22, 23; 20, 24; and 20, 29 are also disclosed in the Specification.
Patent GB-973880-A (GB)
Title: Improvements in or relating to connectors
IPC: H01R13/15
Filed: 1962-10-08
Abstract: 973,880. Two-part couplings. PYLE-NATIONAL CO. Oct. 8, 1962 [Nov. 8, 1961; May 10, 1962], No. 38043/62. Heading H2E. In a socket contact of the kind in which a bowed leafspring 27 is inserted through a slot 28 milled in the side of the socket, the spring has enlarged ends 33, Fig. 5 (not shown), which locate in seatings 37. A sleeve 40 encloses the assembly and is held in position by being deformed into groove 14. In a modification, Figs. 9 and 12 (not shown), the enlarged ends of the spring are curved to the radius of the socket and are held in grooves beneath the sleeve.