baber/WOPTO huggingface dataset:
Patent GB-1129735-A (GB)
Title: Leaf spring assemblies
IPC: B60G11/04
Filed: 1967-04-06
Abstract: 1,129,735. Leaf springs. GENERAL MOTORS CORP. 6 April, 1967 [2 May, 1966], No. 15869/67. Heading F2S. A composite leaf spring 10 is formed of a flexible central portion 18 made of plastics material reinforced with glass fibre and shaped to provide the desired deflection characteristics and rigid end portions 24, 26 which are rigidly connected to the central portion 18 and are substantially in alignment with the major axis of the latter. The end portions 24, 26 made of rigid metal channel - sections, have mounting eyes 28, 30 and pins 52, 54 at their inner ends which maintain curved mating portions 32, 36 and 34, 38 on the ends of the central portion 18 and the corresponding ends of the rigid end portions 24, 26 in interlocking engagement. The end portions 24, 26 which do not contribute significantly to the spring rate of the leaf spring, reduce the amount of expensive glass-fibre reinforced plastics material which is needed and facilitate the formation of the mounting eyes 28, 30.
Patent GB-710476-A (GB)
Title: Process and apparatus for dissolving substances which swell on wetting, especially cellulose xanthate, in screen centrifuges
IPC: D01F2/08
Filed: 1952-06-24
Abstract: 710,476. Centrifugal mixing. VEREINIGTE GLANZSTOFF-FABRIKEN AKT.-GES: June 24, 1952 [June 25, 1951],. No. 15912/52. Classes 23 and 86 Substances, which swell when wetted, are dissolved in a centrifuge comprising a rotary perforated drum and blades adjacent and inclined to the inner surface of the drum so as to press the substance through' the drum perforations. The centrifuge comprises a rotary table 1 carrying perforated drums 3, 4, 5, and blades 7 fixed to a stationary plate 8, the hub 6 of the table having impeller vanes assisting the outward movement of the substance being treated. The blades are mounted so that their inclination to the drum surface may be adjusted. In a modification the blades and the drum rotate in opposite directions. The centrifuge is suitable for dissolving cellulose xanthate in caustic soda.
Patent GB-838435-A (GB)
Title: Improvements in and relating to article fixing bolt-devices
Inventor: BARKER GEORGE EDWARD
IPC: F16B13/08
Filed: 1956-05-23
Abstract: 838,435. Bolts. THORN ELECTRICAL INDUSTRIES Ltd. May 22, 1957 [May 23, 1956], No. 15997/56. Class 89(1) A bolt comprises a shank 10 screwed at one end 11, and having a diametral slot 14 at the other, the slot receiving an arm 15 having a slot 16 engaged by a pin 13 fitted transversely of the shank. In use, the shank is screwed into one article and a further article is applied over the arm, which hangs in line with the shank. The arm is then moved to lie transverse to the shank and used to rotate the bolt to secure the articles together. A circlip may be fitted in groove 23 to retain the bolt captive to the first article, and the arm is located in its positions by a spring- loaded bolt 19
Patent GB-117199-A (GB)
Title: Folding Tent and like Frame.
Inventor: BROWN ALBERT CHARLES
IPC: E04B1/344
Filed: 1917-11-02
Abstract: 117,199. Brown, A. C. Nov. 2, 1917. Tents and awnings. - A collapsible frame for tents and other structures, particularly applicable for three-sided, or open front tents, comprises two uprights a, joined by crossbars b, b', each made in two pieces and pivoted to the uprights and to each other, with a vertical strut e pivoted to the cross bars. and stays f jointed at h and provided with clips, catches, or equivalents to keep the two members of each stay in alinement when the frame is in its extended position.
Patent GB-1391982-A (GB)
Title: Pressure cooker and control unit therefor
IPC: A47J27/16
Filed: 1972-04-06
Abstract: 1391982 Pressure cooker VISCHER PRODUCTS CO 6 April 1972 [6 April 1971] 16040/72 Heading B1X A steam autoclave 10 for use in cooking food 44 includes inlet 50 connected to a source of pressurized steam, drain 22, pressure-sensitive means 58 responsive to the steam pressure inside the autoclave, a control circuit, timer means 74 and a timer switch 86 for opening the control circuit at a preselected time, and comprises also normally closed inlet valve 52 and means (94) for opening it, normally open drain valve 54 and means (72) for closing it, pressure-sensitive switch means 68 operated by pressure-sensitive means 58, switch means 68 including normally closed contact 100 for opening inlet valve 52 when the timer switch 86 is closed, a first normally open contact 90 for closing drain valve 54 when pressure in the autoclave reaches a first value and a second normally open contact 102 for closing inlet valve 52 when pressure in the autoclave reaches a second value in excess of the first value, and a manual switch 96 including a first, open position and a second position for completing the control circuit through contact 102 when the pressure in the autoclave reaches its second value. The apparatus shown comprises pressure-actuated switch 68 in which the switch arms 70, 98, 106 are operated on expansion of bellows 58 as the steam pressure in the autoclave increases; operation of arm 106 sets buzzer 104 to sound at the end of the preset cooking time. At start-up, timer contact switch 86 is manually closed, solenoid-controlled valves 52, 54 are open and steam passes through the autoclave to heat the food. When the pressure reaches a first value, switch arm 70 is operated and energises solenoid coil 72, which closes outlet valve 54, circuit 74, which starts timing motor 78, and indicator lamp circuit 76, Increasing steam pressure can then operate first arm 98 then arm 106. With manual switch 96 preset as shown, operation of switch arm 98 de-energises solenoid coil 94 and steam inlet valve 52 is closed. If switch 96 is preset at the higher pressure (shown as 15 psi), operation of arm 98 maintains energisation of coil 94, inlet valve 52 remains open and the steam pressure builds up to the required higher value. Another embodiment (Fig. 2, not shown) includes two timers of different ranges and a timer selector switch.
Patent GB-1357120-A (GB)
Title: Imparting of flame retarding properties to a hydroxylated polymeric substrate and/or the wettability water absorption capacity and stain release properties thereof
IPC: D06M15/429
Filed: 1971-05-20
Abstract: 1357120 Fire-proofing substrates based on polysaccharides ISRAEL MINISTRY OF COMMERCE & INDUSTRY 20 May 1971 [5 June 1970] 16045/71 Heading C3U [Also in Divisions D1-D2] Substrates comprising a hydroxylated polymer are rendered flame-retardant and/or have their wettability, water absorption capacity and stain release properties improved by treatment with an aqueous solution containing a sulphamate selected from ammonium sulphamate and (N-substituted ammonium) sulphamates, and at least one cross-linking agent which is not polymerizable except by cross-linking with the substrate, and curing. The N-substituted sulphamates may be methylammonium, triethylammonium, ethanolammonium, morpholinium or piperidinium sulphamates. The cross-linking agents include carbamates, chloroalcohols, methoxymethylated dialdehydes, urons, such as dimethoxymethyluron, dihydroxy-dimethylol ethylene urea, isocyanates and phosphorus compounds containing groups capable of reacting with hydroxyls. Other ingredients include ammonium phosphate, phosphoramide, tri-(N-methyl) phosphoramide or tri-(N-methy-  lol)phosphoramide to reduce afterglow. The treatment solution is applied by padding, dried at 100-130 C. and cured at 120-220 C. in a forced-draught oven. The weight ratio of sulphamate to cross-linking agent may be between 5 : 1 and 1 : 2. The treatment is stated to improve antistatic properties. Hydroxylated substrates specified include starches, amyloses, dextrins, carragaenins, gums, sugars, and cellulose acetate and may be in the form of fibres, yarns, fabrics, garments, powder, pulp, sheets, blocks or rods. The treated material may be bleached with sodium chlorite solution.
Patent GB-670867-A (GB)
Title: Crayon or pencil
IPC: C09D11/16
Filed: 1950-06-28
Abstract: 670,867. Colour-reactive paper. NATIONAL CASH REGISTER CO. June 28, 1950 [July 9, 1949], No. 16111/50. Class 96. [Also in Group XV] A crayon or pencil comprises an erodable base material having an organic compound absorbed therein which compound coacts with a natural or synthetic clay incorporated into a record surface to produce a distinctive mark on said surface. The organic compounds specified are crystal violet lactone which reacts with the clay to give purple or violet marks, 3,3 - bis - (p - dimethylaminophenyl) - phthalide which gives a green colour, 3,3-bis-(p-diethylaminophenyl)-phthalide which gives a blue colour; xanthene-9-o-benzoic acid, 3,6-bis-diethylamino-9-p-nitroanilino-lactam which gives a red colour. The record material comprises paper having incorporated therein or a surface layer of kaolin or attapulgite.
Patent GB-571717-A (GB)
Title: Improvements relating to automatic flushing syphons for flushing cisterns or tanks
IPC: E03D1/16
Filed: 1944-08-24
Abstract: 571,717. Water-waste preventers. TWYFORDS, Ltd., and BAILEY, E. H. Aug. 24, 1944, No. 16132. [Class 26] In an automatic flushing syphon for flushing cisterns or tanks of the kind in which the outlet side of the syphon is trapped, and the flushing of the cistern causes air to be compressed in the bend, the air being released, e.g., by a relief tube, when the water reaches a predetermined level thus starting the flushing operation, the syphon comprises a one-piece cast or moulded unit consisting of a syphon bend of inverted U-shape the discharge or down leg of which is integral with the inlet side of a bottom U-shaped trap chamber, the other or outlet side of which is integral with a discharge chamber or dome into which extends a discharge leg or conduit, the latter with the dome on the outlet side of the trap chamber being all disposed within the arch of the syphon bend. The casting, preferably formed by moulding, comprises an inverted U-shaped syphon bend 1 having one inlet leg 2 open at its lower end and provided with the usual apertures 20 and a discharge or down leg 3 integral with the inlet side 4 of a U-shaped trap chamber 5, the walls of the outlet side 6 of which are formed integrally with a chamber with dome 7 and a discharge leg or conduit 8, the latter with the parts 6, 7 all being disposed within the arch of the bend 1. The part 8 is also integral with the bottom of the chamber 5 and is joined to the end of the leg 2 by a flange 9 provided with holes 10 for the reception of bolts. The dome 7 is joined to the bend 1 by one or more webs 14 and its lateral wall is spaced from and extends the upper portion of the leg 8 to which it is joined to form an annular chamber 15 having a sloping floor 16 communicating with the chamber 5. Within the side branches of the chamber 5 is a U-shaped relief tube 17 provided with a refilling aperture 18. In one modification, the tube 17 is replaced by two curved tubes which are connected by an external horizontal tube, the whole being fixed in position by a screwed rod, and in another the tube 17 is replaced by an inclined tube 26, Fig. 9, provided with a hole 27 communicating with the part 4 of the trap and a hole 28 within the interior of the dome.
Patent GB-530257-A (GB)
Title: Improvements in telephone instrument circuits
IPC: H04M1/58
Filed: 1939-06-02
Abstract: 530,257. Sub-station circuits. ASSOCIATED ELECTRIC LABORATORIES, Inc. June 2, 1939, No. 16314. Convention date, July 22, 1938. [Class 40 (iv)] In a hand micro-telephone set for automatic exchange working, the impulse contacts 28 are connected to one line conductor over operated contacts 26 of the cradle switch and a non- resonant shunt 23, 33 is connected across the impulse contacts and/or the cradle contacts 26 by cradle contacts 27 which open later than contacts 26 when the instrument is replaced on the cradle, in order to prevent generation of interfering radio frequencies. The condenser 23 of the non-resonant shunt is the series condenser in the ringing circuit,which may be of the loop or leg type. The shunt springs 29-31 of the dial short-circuit the receiver R and the entire circuit in succession, the contact being of the anti-side-tone type. In a modification, the shunt springs are arranged so that after they have functioned as above, the transmitter and induction coil are disconnected. The coil 16 may be connected to a series resistance to improve balance. The condenser 21 is protected against line surges by connection between two windings of the induction coil.
Patent GB-1049284-A (GB)
Title: Coated flexible sheet materials
Inventor: WIEJAK ALEKSANDER JERZY
IPC: C08J7/04
Filed: 1962-04-30
Abstract: A coating composition comprises a solution of a copolymer of vinylidene fluoride and a fluorinated olefine in a volatile solvent mixed with a solution of a polymeric compound obtained from an ethylenically unsaturated monomer in a volatile solvent, the copolymer and the polymeric compound being incompatible. The preferred fluorinated olefin is hexafluoropropylene.  The exemplified polymeric compound is polymethyl methacrylate.ALSO:A process for the surface coating of a flexible sheet material comprises applying to the surface of the sheet material a solution of a copolymer of vinylidene fluoride and a fluorinated olefine in a volatile solvent mixed with a solution of a polymeric compound, obtained from an ethylenically unsaturated monomer, in a volatile solvent, the copolymer and the polymeric compound being incompatable, and evaporating the solvent.  The flexible sheet material is a polymer or copolymer of a vinyl compound or a composition containing the same. The exemplified sheet material is polyvinyl chloride and the exemplified polymeric compound is poly methyl-methacrylate.  Solvents used are preferably a mixture of methyl ethyl ketone and toluene.
Patent GB-832770-A (GB)
Title: A timer control device for controlling the sequential operation of control members formed by fluid control valves or electric switches
Inventor: DEMI ROY CRAWFORD
IPC: F16K31/48
Filed: 1956-05-28
Abstract: 832,770. Retractive switches. ROBERTSHAW-FULTON CONTROLS CO. May 28, 1956 [Oct. 7, 1955], No. 16438/56. Class 38 (5). [Also in Group XXIX] A timer control device for operating two switches 164, 190, Fig. 9, in timed sequence includes manual setting means for closing the switch 190 and opening the switch 164 and clockwork actuating means for subsequently closing the switch 164 after a first delay period and opening the switch 190 after a second delay period. The setting and actuating mechanism comprises a housing 56, Fig. 7, of insulating material and a spindle 52 passing therethrough, the outer end of the spindle having an actuating knob 72, Fig. 5, and the inner end being connected to a spring-loaded plunger 172, Fig. 7. The plunger 172 controls a toggle mechanism which actuates the switch 164 and has a flange 182 which controls the switch 190. Fixed to the spindle 52 within the housing 56 is a plate 86, Fig. 6, having two extending fingers 88, 90 which co-operate with helical surfaces 94, 98 of a cam 92 and which may engage in slots 96, 100 of serial cam. Attached to the cam 92 is a second plate 102 having fingers 104, 106 which co-operate with helical surfaces 118, 120 of a cam 108 carried by a sleeve 126, the outer end 'of which has a setting knob 128, Fig. 5. The clockwork drives the spindle 52 through a friction clutch which permits of rotation of the knobs 72, 128 to preset the two delay periods. The arrangement is such that the setting results in downward movement of the spindle 52 and closing of the switch 190 and opening of switch 164. The spindle 52 is then rotated by the mainspring and the above described cam and follower arrangement allows the spindle to return axially to the starting position in two stages, the switch 164 being closed at the first stage and the switch 190 being opened at the second stage. In another embodiment (see Group XXIX) the device controls two valves disposed serially in a fluid flow path. Reference has been directed by the Comptroller to Specification 799,828.
Patent GB-313742-A (GB)
Title: Improvements relating to school desks and seats
IPC: A47B41/02
Filed: 1928-06-06
Abstract: 313,742. Grant & Armstrong, Ltd., Waite, T. C., and Burke, E. June 6, 1928. Benches, work; bench stops.-A school desk is convertible into a work bench by means of a removable table-like top having on the underside pegs, projections, or flanges adapted to engage with the inkwell holes and other parts. Its underside, Fig. 2, has stiffening-pieces b, c and adjustable pegs f for engaging with inkwell holes &c. The pegs may be replaced by ribs or projections adapted to fit the slate slots, the front ledge of the desk, and the back rest. On the upper face, Fig. 1, may be fixed rails g, h, stops j, a book-sewing press k, k<2>, hard-wood anvils m, and retort stands n. The press k, k<2> and other fittings may be stowed in compartments p on the underside, these are closed by slides p<1>. Pivoted blocks r enable the device to be fitted to desks, the back rests of which are of various heights. The device may be divided longitudinally or transversely, and the parts hinged together.
Patent GB-316376-A (GB)
Title: Improvements in rotary shutters for kinematograph apparatus
IPC: G03B9/10
Filed: 1928-06-07
Abstract: 316,376. Tweedy, M. H. June 7, 1928. Kinematograph apparatus.-Groups of parallel slots 2 are formed in the blades of shutters, the slots 2b dividing the groups being tangential to a circle having a diameter less than that of the shutter; eash slot may be replaced by a series of holes or openings. The flicker blade may have more and wider slots than the masking blade. The edges of the blades may be bound with strips 4, 4a, and some of the strips 5 between the slots may be bent out of the plane of the shutter to direct an air current on to the film.
Patent GB-612697-A (GB)
Title: Improvements in or relating to polyvinyl resin compositions
IPC: C08K5/057
Filed: 1946-05-30
Abstract: Polyvinyl resins are stabilized by admixing therewith an alcoholate of aluminium.  Resins specified are polyvinyl acetate, butyrate, chloride and butyral and polystyrene.  Aluminium ethylate alone is specified.  Plasticizers such as tricresyl phosphate and other ingredients may be added.  The alcoholate may be first dissolved in a solvent such as benzene and the solution added or the solution may be sprayed on or wiped over the surface of a plasticized resin.  The composition may be pressed into plates or ejection moulded.  The Specification as open to inspection under Sect. 91 describes also the use of other heavy metal alcoholates excepting those of the alkaline earth metals.  This subject-matter does not appear in the Specification as accepted.
Patent GB-291749-A (GB)
Title: An improved process for the production of asphalt-like road building and the like material, from coal tar or pitch
IPC: C10C3/02
Filed: 1928-06-07
Abstract: 291,749. Schroth, W. June 7, 1927, [Convention date]. Pitch and tar.-In the production of asphaltlike substances, for use e.g. in road-making, from mixtures of high and low temperature tars or of pitches and phenols, the phenol content of the mixtures selected is higher than that of high tem. perature tars and lower than that of low temperature tars. High temperature tars employed contain at most 4 per cent of phenol and low temperature tars at least 20 per cent. A phenol content of 8-12 per cent, approximating to that of vertical retort tar, is preferably obtained. The mixtures are treated with oxidizing agents or sulphur or both as by boiling with injection of air and contact substances may be added. Specification 8712/12 is referred to. The Specification as open to inspection under Sect. 91 (3) (a) describes also mixtures of tars and phenols. This subject-matter does not appear in the Specification as accepted.
Patent GB-1126852-A (GB)
Title: Age hardenable stainless iron base alloys
IPC: C22C38/30
Filed: 1966-04-15
Abstract: 1,126,852. Stainless steels. CARPENTER STEEL CO. April 15, 1966 [Aug. 2, 1965], No. 16750/66. Heading C7A. A primarily martensitic stainless steel (not more than 20% retained austenite) has a composition within the following percentage ranges: - Cr 12-18 Co 18-26 Mo 1‹5-3‹5 Ni 0-3 Fe and impurities the balance. All or part of the Mo may be replaced by 1.2 to 1‹6 times as much W. The impurities may include: C up to 0.05 N up to 0À1 P up to 0‹03 S up to 0.03 Mn up to 0.5 Si up to 0.5 A1 up to 0‹5 Ti up to 0.5 After hot working the steel may be solution treated at 1400-1800‹ F. and aged at 900-1100‹ F.
Patent GB-555200-A (GB)
Title: Improved manufacture of container closures and sealing compositions for the same
IPC: C08K5/40
Filed: 1941-12-30
Abstract: 555,200. Rubber compositions. ABBEY, A. (Crown Cork & Seal Co.). Dec. 30, 1941, No. 16793. Drawings to Specification. [Class 70] Rubber compositions for forming closure discs for containers or sealing compositions contain a sulphur-bearing vulcanizing compound in amount which will yield not more than .5 per cent. of sulphur which will combine with the rubber without leaving free sulphur. Suitable compounds are thiuram polysulphides, e.g. pentamethylene-thiuram-tetrasulphide or tetramethyl-thiuram-disulphide, which on decomposition give sulphur and the monosulphide. A sealing composition, which cures on drying but may be heated, consists of rubber latex, zinc oxide, barium sulphate, a dispersing agent, casein, sodium hydroxide and water, together with dipentamethylene-thiuram-tetrasulphide as vulcanizing agent and tetramethylthiuram-monosulphide as accelerator. The compositions may be mixed with granulated cork and the mixture rolled and moulded to produce rods, discs &c. In this case, a mixing of crude rubber may be used. Synthetic rubbers may be admixed, and zinc or other salicylates added as mould inhibitors.
Patent GB-268278-A (GB)
Title: An improved method of treating antimonial ores, more especially tin-ores containing antimony
IPC: C22B25/00
Filed: 1926-07-05
Abstract: 268,278. Zinnwerke Wilhelmsburg Ges. March 29, 1926, [Convention date]. Treating ores to remove undesired constituents. -Ores containing antimony, particularly tin ores, are treated to remove the antimony by roasting with a reducing agent, such as charcoal, prior to leaching with an acid. In a modification, the ore is treated with an acid containing a reducing agent such as ferrous or cuprous salt, ferrous sulphate or chloride being exemplified. Should the ore contain pyrites or arsenical pyrites, the ore is afterwards roasted prior to the separation of the tin.
Patent GB-994205-A (GB)
Title: Process for stabilizing copolymers of trioxane
IPC: C08K5/00
Filed: 1963-04-29
Abstract: A trioxane copolymer is stabilized by the addition thereto of 0.01 to 10% of at least one stabilizer selected from the group consisting of:-(a) derivatives of ethylene imine, (b) urea compounds containing the grouping -O-CO-(CH2)3-NHCONH2, (c) urea compounds containing the grouping <FORM:0994205/C3/1> (d) sulphur-containing polyamides, (e) polyacrolein oximes, (f) indoles containing amino groups, (g) indazoles containing amino groups, and (h) amides of fumaric acid, amides of cyanoacetic acid and amides of indene carboxylic acids. Specified copolymers are those containing oxyalkyl groups having at least two adjacent carbon atoms, e.g. ethylene oxide, glycol, 1 : 3-butane-diol, 1 : 4-butane-diol, diethylene glycol and 1 : 4-butene-diol (2). Stabilizers listed are N : N1-bis-3-ethylene iminopropyl oxalic acid diamide, N-stearyl-N : N1-ethylene urea, hexamethylene 1 : 6-bis-ethylene urea, 8-ureidobutyric acid ester of pentaerythritol or of diethylene glycol, or of phenoxyethanol or of glycerol, the copolyamide of hexamethylene diamine thiodiglycolic acid, e -aminocaproic acid, adipic acid, hexamethylene diamine, polyacrolein oxime, N-stearyl-N-methyl-N - 3 - indolyl methylamine, 5 - amino - 3 - acetylaminoindazole, indene - 2 - carboxylic amide, cyanacetic acid amide, fumaric acid amide, N : N1-diphenyl urea, urea, malonic acid diamide, melamine, <FORM:0994205/C3/2> and <FORM:0994205/C3/3> where R is <FORM:0994205/C3/4> Phenols and/or aromatic amines may also be present.