baber/WOPTO huggingface dataset:
Patent GB-340729-A (GB)
Title: Improvements in envelopes for gramophone records
IPC: B65D85/57
Filed: 1929-12-03
Abstract: 340,729. Envelopes for gramophone records. WILSON, F., Verotax Works, John Street, Rochdale, Lancashire. Dec. 3, 1929, No. 37025. [Class 146 (ii).] Envelopes for gramophone records, of the type formed by pressing flat a piece of tubular material, are shaped tc fit the records and are provided with eyelets or other members, a<7>, a<8> at one of the open ends, which serve to close this end and to provide stop, upon which the record may rest. The eyelets serve also as a means for mounting the envelope in a loose-leaf binder.
Patent GB-1360392-A (GB)
Title: Foamable thermoplastic compositions
IPC: C08J9/10
Filed: 1970-07-31
Abstract: 1360392 Foamable thermoplastic compositions and foams thereof FISONS Ltd 5 July 1971 [31 July 1970 5 Aug 1970 20 Aug 1970] 37047/70 37779/70 and 41006/70 Heading C3C [Also in Division B5] A foamed plastics material is made by heating a foamable thermoplastic composition comprising a thermoplastic material selected from olefin polymers and copolymers, styrene polymers and copolymers, and rigid polyvinyl chloride; azodicarbonamide; and at least one finely divided material having a BET surface area of 200-350 m.<SP>2</SP>/g. The latter material is preferably one that contains water (free or combined) that can be released at temperatures below 250‹ C., particularly fume and colloidal silicas, gypsum, CaCO 3 .6H 2 O, CaO.6H 2 O, hydrated potassium carbonate, copper, ferric, and magnesium sulphates, hydrated magnesium benzoate and cerous acetate and nitrate. The compositions may also contain dyes, pigments, stabilizers, dispersants, fillers, extenders, other blowing agents, e.g. benzene sulphon hydrazide, and kickers, the latter including compounds of Zn, Cd Sn, Pb, urea, ethanolamine, glycols. Preferred additives are Mg, Zn or Ba stearates, and also oxamide (as nucleating agent). The composition may be fused, prior to foaming, by heating at 100-150‹ C. for 2À5-0À5 min., as is normally foamed at 150-280‹ C. It may be formed into a sheet by extrusion, casting, calendering or spreading as a powder blend; also applied to a backing member optionally overcoated with a plastics layer, or it may be moulded by conventional techniques. Examples detail compositions prepared from polyethylene, azodicarbonamide and either silica, optionally with magnesium stearate, MgSO 4 .7H 2 O or CaSO 4 .2H 2 O.
Patent GB-1471998-A (GB)
Title: Arrangement for warning of the departure from a predetermined  relationship of currents in an electrical supply system
IPC: G01R27/18
Filed: 1975-05-20
Abstract: 1471998 Monitoring currents ENGLISH ELECTRIC CO 23 May 1975 [23 Aug 1974] 37059/74 Heading H2K  A system for indicating departure from a predetermined interrelationship of the currents in a plurality of conductors comprises a plurality of current transformers 1, one in each conductor, whose secondaries are connected to an ammeter movement 3 which is arranged to operate a switch when the moving part reaches a certain position.  To detect earth leakage in a polyphase system, the transformer secondaries are connected in parallel and through a rectifier 2 to a moving coil meter. The moving coil carries a vane which passes, at one point, between two adjustablypositioned coils. A switching circuit actuated by the change in mutual inductance of the coils controls a buzzer and lamps 4, 7, 8. An unbalancing network 9-12 enables the system to be tested.
Patent GB-914375-A (GB)
Title: Arrangement for brakes
IPC: F16D65/14
Filed: 1960-10-28
Abstract: 914,375. Fluid-pressure brakes. ALLMANNA SVENSKA ELEKTRISKA A.B. Oct. 28, 1960 [Oct. 29, 1959], No. 37069/60. Class 103 (1). A disc or drum brake 6 is applied by fluidpressure supplied to a differential piston 10 by a motor-driven pump 16, the arrangement being such that whilst the pump is supplying pressure at above a predetermined value the brake is maintained released by equalized pressure acting on both the large and small faces 11, 12 of the piston, brake application being effected by reducing the supply pressure, as by stopping or reversing the pump 16, or by actuating a two-way valve (not shown), whereupon pressure drains from the larger piston face 11 through a non-return valve 28, whilst pressure on the smaller piston face 12, stored in an accumulator 22, is blocked by a non-return valve 24 and thus applies the brake. To release the brake, pump pressure is raised, as by restarting the pump, and passes to the larger piston face 11 for brake release, through a valve 27 which by-passes the non- return valve 28 and either opens automatically at a predetermined pressure (as shown) or, with a continuously running pump is electrically controlled (Fig. 2, not shown). The pressureresponsive valve 27 is a snap-action valve wherein when inlet pressure 38, Fig. 3, cracks open a spring-loaded ball or cone valve 42, it acts on a larger area piston 41, causing rapid opening. The arrangement results in constant brake clearance and constant brake torque. In the case of a drum brake the brake shoes may act internally, externally or both.
Patent GB-522913-A (GB)
Title: Improvements relating to respiratory masks
IPC: H04M1/05
Filed: 1938-12-20
Abstract: 522,913. Respiratory appliances ; electric cables and couplings ; pipe joints. BRONZAVIA SOC. ANON. Dec. 20, 1938, No. 37098. Convention date, Dec. 20, 1937. [Class 81 (ii)] [Also in Groups XXVIII and XXXVI] A device for connecting a respiratory mask to a source of respiratory gas arranged independently of the wearer of the mask, such as a container in a fixed position on an aircraft, and to sources of electrical current comprises separable elements 2, 6 adapted to be coupled to provide continuity in the gas and electric supplies, one of which is connected to the independent source of gas and electricity and the other has a manually operated rotatable control means for releasing the coupling between the two separable elements by rotating said control means into a predetermined position, followed by an axial movement. The control means is in the form of a knob 18. The member 6 is kept in position by the members 14 and 15 the former being resilient while the latter is rotatable about the pivot 16 and urged by spring 17. At the top of the member 15 is a member 21 which engages a notch 23 in a certain position of the knob and engages a deeper notch 24 on the knob being pushed along the rod 19 against the action of the spring 20. This movement thus releases member 6. Contacts 7 engage sockets 5 to make the electrical circuits but one of the former is placed asymetrically of the others and has an extension piece 25 engaging a hole in the corresponding socket thereby preventing the member 6 from being attached to member 2 incorrectly. The hose pipe 1 is attached via a union and member 6 to the spigot 9 which co-operates with the female socket 4 having a rubber member 26 attached to a spring urged accordion bellows 29. This serves to take up any small variations from dead centre of spigot 9. The button 10 is for signalling purposes. Specifications 495,044, 501,203, and 501,236 are referred to.
Patent GB-1454856-A (GB)
Title: Releasable steel cable anchor and method for withdrawing same
IPC: E02D5/76
Filed: 1974-08-23
Abstract: 1454856 Ground anchors Y ICHISE 23 Aug 1974 [21 Sept 1973 14 Dec 1973] 37100/74 Heading E1B A method of withdrawing a ground anchor 14 embedded in a hardened hardening material 1 in the ground comprises de-bonding material 18 between the anchor and the hardening material by applying heat thereto and withdrawing the thereby released cables 16 of the anchor. The bonding material is preferably thermoplastic polyester epoxy or urethane resin and the heat is applied by burning thermite powder, black powder, an aluminium and carbon rod or gas in a tube 15 co-extensive with the anchor, or by passing electric current through a wire wound helically around the anchor. In alternatives the powder or gas is burnt in a passageway formed in the resin during fixing of the anchor or the cables of the anchor may be spaced by insulating tapes and coupled in pairs through which an electric current can then be passed. The cables of the anchor, which may be rods, wire rope or strands, are either secured closely together around a central tube or a central cable or spaced apart around annular spacing rings. The anchor is installed either by casting the hardening material around an anchor already embedded in the bonding material or by casting the bonding material around the anchor after it has been positioned in a hole which has been previously lined with the hardening material.
Patent GB-757294-A (GB)
Title: A process for the manufacture of ethylene-glycol ethers of tetrahydrofurfuryl alcohol and compositions containing same
Filed: 1954-12-23
Abstract: Ethers of the general formula <FORM:0757294/IV(a)/1> wherein n is 1, 2, 3 or 4 are prepared by heating tetrahydrofurfuryl alcohol with ethylene oxide in a molar proportion of from 1:1 to 1:4 in the presence of an alkali-metal hydroxide.  A preferred hydroxide is sodium hydroxide and this is preferably used in an amount equal to 0.1 to 0.5 per cent by weight of that of the alcohol.  The reaction is advantageously conducted at a temperature between 80 DEG  and 140 DEG  C. in an inert atmosphere, and in a preferred mode of procedure ethylene oxide and nitrogen are introduced into the tetrahydrofurfuryl alcohol and any unreacted ethylene oxide is condensed and reintroduced into the reaction cycle.  The reaction product is advantageously isolated by first neutralizing the alkali-metal hydroxide with a non-volatile mineral acid such as phosphoric acid, separating the difficultly-soluble salt so formed and fractionating the crude product remaining.  If a small excess of phosphoric acid is used the excess acid may be precipitated by means of barium or calcium carbonate.  In examples: (1) tetrahydrofurfuryl alcohol and ethylene oxide in a molar proportion of 1:3 give a mixture of mono-, di- and tri-ethylene glycol ethers of the above general formula; (2) the mono-ether is prepared using a 1:1 molar proportion; (3) the di-ether is prepared using a 1:2 molar proportion.  The products are stated to be useful as solvents for pharmaceuticals.ALSO:A pharmaceutical composition contains as a solvent one or more tetrahydrofurfuryl ethers of the general formula; <FORM:0757294/VI/1> wherein n is 1, 2, 3 or 4.  A specified active ingredient for such a composition is a mixture of acetyl-choline and pyridyl-3-carbinol, and another drug mixture referred to which may be brought into solution in a similar way is a mixture of the dimethyl-carbanic acid ester of 1-methyl-3-hydroxy-pyridinium bromide with acetyl choline and/or pyridyl-3-carbinol.  The ethers are stated to be miscible with water in any proportions and to be good solvents for drugs such as acetylsalicylic acid, ethyl phenyl barbituric acid, alkyl isopropyl barbituric acid, p-amino-salicylic acid and neohesperidin.
Patent GB-848024-A (GB)
Title: An improved container
IPC: B65D5/42
Filed: 1957-11-28
Abstract: 848,024. Boxes. MILLAR & SONS Ltd., J., and DE MAJO, W. M. Sept. 15, 1958 [Nov. 28, 1957], No. 37166/57. Class 18. A box, made from the blank shown, is of pyramidal shape and has two opposed walls 13, 14 extending at 25 below the base of the erected box. The base is formed by interlocking extensions 17, 18 on the walls 11, 12 respectively, the portion 18 having extensions 20 which lie against the parts 25 when the box is erected and having also a flap 21 fitting inside the box. A tab is stuck to the inside of the wall 12. Advertising slogans or designs may appear on the walls.
Patent GB-846780-A (GB)
Title: Wadless closures for containers, especially collapsible tubes
Inventor: AYRES GEOFFREY WALTER
IPC: B65D41/04
Filed: 1957-11-28
Abstract: 846,780. Screw-cap stoppers. VENESTA Ltd. Nov. 25, 1958 [Nov. 28, 1957], No. 37185/57. Class 125(3). A container closure, e.g. for a collapsible tube, has a sharp circular edge 4 which forms a seal with an internally radiused portion 6 of a screwcap 5 by biting into its surface. The cap 5 may be of hard plastics and the nozzle of. metal; alternatively, either or both of these members may be of polyethylene, polypropylene, polyvinyl chloride or polyvinylidene chloride.
Patent GB-1274041-A (GB)
Title: Production of foam mouldings from expandable ethylene polymers
IPC: B29C44/00
Filed: 1969-07-25
Abstract: 1,274,041. Moulding foamed articles. BADISCHE ANILIN- & SODA-FABRIK A.G. 25 July, 1969 [27 July, 1968], No. 37416/69. Heading B5A. [Also in Division C3] A foam moulding is made by heating expandable plastics particles which have a mean diameter of from 0.5 to 20 mm. and consist of a homogeneous mixture of (A) An at least partly crystalline ethylene polymer; (B) 2 to 25% by weight, with reference to the ethylene polymer, of an expanding agent whose decomposition temperature is from 15‹ to 150‹ C. above the crystallite melting point of the ethylene polymer; and (C) 0.05 to 2.5% by weight, with reference to the ethylene polymer, of a peroxide, as a crosslinking agent whose decomposition temperature is from 10‹ to 80‹ C. above the crystallite melting point of the ethylene polymer; in a non-gastight mould to a temperature above the decomposition temperature of the crosslinking agent and above the decomposition temperature of the expanding agent, and removing the moulding from the mould after it has cooled to a temperature which is at least 20‹ C. below the crystallite melting point of the polymer. The mould may have rigidly joined together walls which may be perforated or contain nozzles therein, or the mould may consist of four continuous belts arranged to form a channel, or of two parallel belts with stationary or movable walls. The mould may also be open at the top to receive a press member.
Patent GB-523165-A (GB)
Title: Improvements in drawing instruments
IPC: B43L9/16
Filed: 1938-12-23
Abstract: 523,165. Drawing instruments. THORNTON, Ltd., A. G., and GILES, W. H. Dec. 23, 1938, No. 37538. [Class 97 (iii)] One leg b of dividers or compasses, or a loose limb, is longitudinally split, and in such manner that the leg remains in one piece, to enable a fine adjustment to be effected by the inherent springiness and by a screw or other device. As shown, the adjustment is effected by a nut e on a threaded stud e' projecting across the split b<SP>2</SP>. The split may open on the inner side of the leg, and tightening of the nuts may open the split instead of closing it.
Patent GB-1272108-A (GB)
Title: Improvements in or relating to the heating of liquefied natural gas to produce heated vapour to be fed into a pipeline
Inventor: LINDE GERHARD
IPC: F17C9/04
Filed: 1969-07-28
Abstract: 1,272,108. Revaporizing liquefied natural gas. LINDE A.G. 28 July, 1969 [29 July, 1968], No. 37774/69. Heading F4P. Undercooled L.N.G. delivered by a pump 1 at 200 atmos. pressure and at - 153‹ C. is warmed by indirect heat exchange at 3, 6 and is then further warmed at 7, 8 to above 100‹ C. and expanded in a turbine 9 to the required delivery pressure e.g., 30 atmos.; a portion of the expanded gas being diverted along a line 12 and condensed in heat exchangers 3, 6 after which the condensate is pressurized at 4 and fed to the L.N.G. leaving the upper end of exchanger 3. In a modification the undercooled L.N.G. is warmed by direct heat exchange with turbine expanded gas which is thus liquefied and the combined streams are pressurized and heated before being turbine-expanded.
Patent GB-1434459-A (GB)
Title: Encapsulation housing for electronic circuit boards or the like and method of encapsulation
IPC: H01L23/28
Filed: 1974-08-29
Abstract: 1434459 Electric component assemblies MOTOROLA Inc 29 Aug 1974 [27 Sept 1973] 37806/74 Heading H1R A protective housing for an electrical control circuit e.g. a voltage controller or ignition controller of an automative vehicle (Fig. 4) comprises a narrow upright enclosure defined by walls and base 12 of which one dimension substantially exceeds the other dimension normal thereto; which is mounted through apertures extending through the thickness adjacent the base on, e.g. the altimeter or firewall of the vehicle. The hollow interior accommodates a circuit board (Fig. 3, not shown) defining a control device, e.g. an electronic transistorized voltage regulator using thick film technique on a substrate which is attached to a heat sink of, e.g. aluminium also carrying components, e.g. a power switching transistor. Control leads are appropriately attached to the substrate. A guide rail extending downwardly of the interior of a side wall defines a tapered opening into which the circuit board may be inserted with the heat sink contacting an outside wall for cooling. Encapsulating material is then poured into the housing and allowed to set or harden with the connecting leads and associated connectors for the altimeter and ignition systems emergent therefrom. The housing may, e.g. be compression moulded from a stabilized plastic, and plural housings may be arranged side by side in a stack positioned by rods transfixing thd apertures with inter-engaging overhanging lips. The encapsulant may be introduced automatically into translated groups of housings, and the interior of the housing may be partially filled with sand.
Patent GB-1199598-A (GB)
Title: Baking Enamels based on Aqueous Synthetic Resin Binder Formulations
IPC: C09D161/34
Filed: 1967-08-17
Abstract: 1,199,598. Aqueous synthetic resin baking enamel. BADISCHE ANILIN- & SODAFABRIK A.G. 17 Aug., 1967 [18 Aug., 1966], No. 37845/67. Heading C3R. [Also in Division B2] An aqueous baking enamel contains (a) 4À5 to 70 p.b.w. water-compatible aminoplast or phenolic resole precondensate, (b) 95 to 30 p.b.w. incompletely condensed alkyd resin having unesterified COOH and OH groups which has been rendered water-compatible with ammonia or a nitrogenous organic base, and, as a flow improver, (c) 0À5 to 5 p.b.w. of an acetal of boiling point between 100‹ and 300‹ C. and formula R<SP>1</SP>O-CH.R<SP>3</SP>-OR<SP>2</SP> where R<SP>1</SP> and R<SP>2</SP> are hydrocarbon radicals and R<SP>3</SP> is H or a hydrocarbon radical the total number of C atoms in the hydrocarbon radicals being 7 to 26. (a) + (b) + (c) total 100 p.b.w. Several acetals are mentioned. The enamels may be coated on sheet iron and baked at 120‹ to 190‹ C. for 10 to 100 minutes. In the examples (a) is 25 p.b.w. of a commercial 70% solution of hexamethoxymelamine in propanol/water and (b) 73 p.b.w. of a commercial 55% solution in glycol ether/water of a dehydrated castor oil modified phthalic anhydride/trimethylol propane alkyd brought to pH 7 to 8 with triethylamine, (c) is di-2-ethylhexylisobutyraldehyde, diisobutyl-2-ethylhexanol or di-2-ethylhexylformaldehyde acetal and the enamels also contain 40 or 50 p.b.w. of water.
Patent GB-832291-A (GB)
Title: Loop-taker for lock stitch sewing machine
IPC: D05B57/14
Filed: 1957-12-06
Abstract: 832,291. Sewing machines. SINGER MANUFACTURING CO. Dec. 6, 1957 [Dec. 31, 1956], No. 38017/57. Class 112 In a thread-case for a lockstitch sewing machine looptaker comprising a cup-shaped member formed in its base with an aperture through which thread from the centre of a cop can be delivered, thread - controlling means mounted on said base include a member which enters said aperture to form a restricted opening for preventing the passage of kinked thread therethrough, and a thread-tensioning member situated adjacent said aperture for pressing the thread emerging from the latter against said base. A substantially semi-circular member 15 formed with a loop-seizing beak 18 has a peripheral rib 19 journalled in a raceway 20 provided in a fixed housing 14, and is oscillated by a shaft 21 having a dog member which is adapted alternately to engage the end faces 15n of rib 19. The thread casing assembly comprises two cup-shaped interfitting parts, namely, a thread-case holder 23 and thread-case 24. A hub 28 on the latter is journalled in member 15, and is retained in the latter by a screw 30 which is threaded through hub 28 and by a washer 32 which is interposed between the tapered head 31 of screw 30 and member 15. A leaf spring 35 secured to the side wall of holder 23 is provided at one end with a protuberance 37 which passes through an aperture in said wall and enters a peripheral groove 42 in the side wall of case 24 to retain the latter releasably within holder 23. The base of case 24 is formed with a diametrical groove 49 pierced by a thread-massing aperture 47. A threading slot 48, which passes through said base, extends radially from aperture 47 and a thread-receiving notch 58 is formed adjoining the latter. A plate 53 is disposed in groove 49 and is overlaid by a leaf spring 59. A screw 62 passes through plate 53 and spring 59 to secure these within groove 49, and a screw 60 passes through spring 59 to vary the pressure exerted by the latter on plate 53. Said plate and spring are narrower than groove 49 to provide a thread-passing passage 56 at one side of the latter. A stud 54 projects from plate 53 into aperture 47 to provide an annular thread-passing opening 55. Thread t passes from the centre of a cop C through opening 55 and notch 58 to be pressed between plate 53 and the base of groove 49. The thread passes around screw 62 to be directed thereby into a thread-guiding notch 64 formed in a plate 63 fixed to the side wall of case 24. A rib 43 which extends outwardly from the base of the latter is formed with a cranked end portion 44 which enters a notch 45 in housing 14 to prevent rotation of case 24, and with a finger slot 46 to facilitate insertion and removal of case 24. The edge of rib 43 is semi-circular to facilitate the shedding of the needle-thread loop thereover.
Patent GB-1186630-A (GB)
Title: A Process for the Production of Nuclear Fuel Nitrides from Fluorides
IPC: G21C3/62
Filed: 1968-08-09
Abstract: 1,186,630. Nuclear fuel; plutonium nitride. NUKEM NUKLEAR-CHEMIE UND-METALLURGIE G.m.b.H. 9 Aug., 1968 [9 Aug., 1967], No. 38060/68. Headings G6C and G6R. [Also in Division C1] A nitride of uranium and/or plutonium, with or without zirconium nitride, is prepared from the corresponding fluoride or ammonium double fluoride by reaction with ammonia at high temperature to form a higher nitride which is decomposed in vacuo to the mononitride. In examples uranium mononitride is made from UF 4 , UF 3  or ammonium pentafluorouranate, plutonium mononitride from PuF 4 , uranium and zirconium mixed mononitrides from UF 4  and ZrF 4 , and uranium and plutonium mixed mononitrides from UF 3  and PuF 3 . The nitrides are suitable for use as nuclear fuel.