baber/WOPTO huggingface dataset:
Patent GB-967323-A (GB)
Title: Improvements in under-draught domestic firegrate appliances
IPC: F24B1/19
Filed: 1960-08-29
Abstract: 967,323. Supplying under floor air to fireplaces. E. R. HINE. Nov. 28, 1961 [Aug. 29, 1960], No. 29699/60. Heading F4W. Air is supplied to an underfloor draught fireplace through one or more units 1, Fig. 1, built in to external walls and having a light metal flap valve 4 behind the inlet grating 3 so that the pressure of the external air opens the valve 4, while the valve closes under air pressure from inside. The units 1 may be connected by ducts 10, Fig. 4, to a chamber 6 beneath the fire. The chamber 6 may have an inlet 11 at floor level, Figs. 5 and 6, with a flap valve 13, and the air inlets 8 to the chamber 6 may have flap valves 12. The chamber 6 communicates with the under grate space of the fire through an outlet 7, and may have a fan 14 blowing air to the fire.
Patent GB-482935-A (GB)
Title: Improvements in fluid transmission systems
IPC: B60T11/32
Filed: 1936-10-08
Abstract: 482,935. Pneumatic power transmission. DODSON, E. Oct. 8, 1936, No. 29728/37. Divided out of 483,049. [Class 8 (ii)] [Also in Group XXIX] In a fluid transmission system the line for conveying pressure fluid to the actuated mechanism comprises, at least in part, two pipes connected in parallel, each of the junctions of said pipes being provided with valve arrangements for automatically isolating one pipe when fracture occurs therein,'the service being maintained through the other pipe. The disposition of the two pipes a, a<1> and of the valve arrangements is shown in Fig. 1. Each valve arrangement comprises, Fig, 3, a diaphragm c connected by levers d, d<1> with the valves e, e<1> controlling the supply to the pipes a, (t<l> ; buffer springs b2, b<3> are provided. A modified valve arrangement is shown in Fig. 5. The diaphragm may be replaced by a capsule, bellows, or other pressuresensitive device.
Patent GB-992999-A (GB)
Title: Improvements in or relating to mixtures having an unctuous consistency
IPC: A23L35/00
Filed: 1963-07-26
Abstract: For maintenance of unctuous consistency, there is incorporated in mixtures for pharmaceutical and cosmetic use, such as hand creams and non-greasy ointments, at least 0,4% of an alkali metal carboxymethylcellulose of degree of substitution 0,1-0,6.ALSO:For maintenance of unctuous consistency, there is incorporated in a food, e.g. salad spread, cheese spread, sandwich spread, fruit paste, icing, cream substitute, margarine, at least 0.4% of an alkali metal carboxymethylcellulose of degree of substitution 0.1-0.6.
Patent GB-826391-A (GB)
Title: Cermets with high impact strength
IPC: C22C32/00
Filed: 1956-10-01
Abstract: A cermet comprises, in weight per cent., 13 to 36 alumina; 53 to 84 chromium; and 0,1 to 17 copper, cobalt, nickel, iron, manganese or their alloys with chromium.  Pre-sintering, above the melting point of the low melting minor metal, is carried out to disperse liquid metal between the grains of the acidic phase followed by sintering to full densification.  Specifications 668,682, 677,804 [both in Group II] and 826,392 are referred to.
Patent GB-1170717-A (GB)
Title: Releasable Fastening and Locking Means for Luggage Cases or the like
IPC: E05B65/52
Filed: 1968-06-24
Abstract: 1,170,717. Releasable fastenings. PRESTO LOCK CO. Inc. 24 June, 1968 [13 Sept., 1967], No. 29946/68. Heading E2A. A releasable fastening for a luggage case or the like consists of a cover plate 10, and a two-armed lever 36 whose arms 37, 38 lie respectively parallel with and across the edge of a flap C of the case, so that a thickened bolt portion 62 integral with arm 38 can be engaged with and disengaged from a keeper 34 secured to another flap D of the case by rocking of the lever about a pivot 22 carried by the cover plate 10 which is secured by integral studs 16, 18 to the flap C, the cover plate 10 being shaped to provide two arms 12, 14 which overlie portions of the lever arms 37, 38 such that projecting portions along the lengths of the lever arms 37, 38 can be manipulated to rock the lever between engaged and disengaged positions. The lever is held in these positions by a detent formed on a leaf spring 54 secured to the cover plate, the detent engaging one or other of two recesses 60 formed in the lever. Flanges 48 on the lever arms co-operate with flanges 52 on a bottom plate 42 which is secured to the cover plate by studs 46, thereby limiting 'travel of the lever in each direction. The bottom plate supports a conventional locking- mechanism comprising a slidingly mounted resilient locking bolt 68 which, when operated by a key inserted into a barrel (66, Figs. I and 5, not shown) rotatable in the cover plate, is movable from the locked position shown in Fig. 2, in which it interferes with a blocking lug 70 carried by the lever arm 37, to an unlocked position in which lug 70 is free to move around the end of the bolt. An extension 24 of the arm 12 of the cover plate is adapted to fit within the end of a piece of cylindrical trim which is fitted around the suitcase and be secured thereto by a pin inserted in a transverse aperture 26, whereby the fastening forms a continuation of the trim.
Patent GB-1527416-A (GB)
Title: Photopolymerisible diepoxides
IPC: C08G59/26
Filed: 1976-07-20
Abstract: 1527416 Hydantoin and barbituric acid derivatives CIBA-GEIGY AG 21 June 1977 [20 July 1976] 30100/76 Heading C2C [Also in Divisions C3 and G2]  The following are prepared 5-cinnamylidenehydantoin (I), 5-furfurylidenehydantoin (II), 5-cinnamylidenebarbituric acid (III), 5-(2<SP>1</SP>,4<SP>1</SP>- hexadienylidene)hydantoin (IV) and 1,3-diglycidyl - 5 - cinnamylidenehydantoin (V). (I) is prepared from cinnamaldehyde (VI), fused sodium acetate in acetic acid and hydantoin (VIII); (II) from (VIII), fused sodium acetate and furfural in acetic acid; (III) from barbituric acid and (VI); (IV) from (VIII), sorbaldehyde, water ethanol and ethanolamine in ethanol and isolated by addition of cone. HCl. (V) is prepared by reacting epichlorohydrin with (I) in the presence of tetramethylammonium chloride and subsequent dihydrochlorination with NaOH. Uses.-Intermediates in the preparation of photopolymerizable epoxy resins.
Patent GB-1278455-A (GB)
Title: Method of photography with silver halide sensitive materials
Inventor: LEWIS WILLIAM CAREY
IPC: G03C1/36
Filed: 1969-06-13
Abstract: 1278455 Photographic exposure process EASTMAN KODAK CO 13 June 1969 [13 June 1968] 30144/69 Heading G2C Low-intensity reciprocity failure and dye desensitization are reduced when a photographic silver halide emulsion layer which contains a spectral sensitizing dye or a desensitizing dye and exhibits dye desensitization and low-intensity reciprocity failure when exposed in the presence of moisture and oxygen, is subjected to a high vacuum, e.g. 10<SP>-5</SP> torr, until substantially all the free oxygen and moisture are removed, and is then exposed imagewise to light of an intensity which would have given low intensity reciprocity failure in the presence of oxygen and moisture for a time sufficient to give a latent image. The imagewise exposure is conducted in the absence of moisture and oxygen e. g. in a high vacuum or in an inert gas atmosphere.
Patent GB-210538-A (GB)
Title: Improvements in and relating to suspension devices for electric lamps
IPC: H01R33/975
Filed: 1922-11-03
Abstract: 210,538. British Thomson-Houston Co., Ltd., and Cocksedge, F. M. Nov. 3, 1922. Strip springs.-An antivibration device for suspending electric lamps comprises two pairs of interconnected flat springs 1, 2, one pair being connected to the lamp-holder 3 by means such as studs 4 and the other pair being provided with holes in their middle portions for attaching to a support, the arrangement being such that either spring of one pair connects one end of a spring of the other pair with one end of the other spring of that pair.
Patent GB-505253-A (GB)
Title: Arrangement of windscreen wipers particularly for motor-vehicles
IPC: B60S1/34
Filed: 1937-11-04
Abstract: 505,253. Windscreen-cleaners. ROVER CO., Ltd., and IVERSEN, P. A. SCOTT-. Nov. 4, 1937, No. 30195. [Class 138 (i)] The spindle c is provided with a stop g to limit the movement of the arm d, under the action of the spring f, towards the screen a. The stop may be arranged on the arm. The spindle is arranged at an angle less than a right-angle with respect to the screen, so that the blade e is held clear of the screen, by the stop g, when it is moved to inoperative or parking position. Thus, it can be moved to parking position without fouling the framing h, The wiper may be mounted at the upper, lower, or side edge of the screen.
Patent GB-1016032-A (GB)
Title: Method of making metal sheets and composite metal sheets by a metal powder sinteringand rolling process
IPC: B22F3/18
Filed: 1962-08-07
Abstract: In a process of making a metal sheet a layer of a metal containing powder is sandwiched between two impermeable metal sheets, the assembly is heated in a reducing atmosphere and then hot or cold rolled.  The two metal sheets may be of the same or different materials and the metal powder may be different from the metal of one or both sheets.  A non metallic powder such as non metallic elements, metal oxides, carbides, nitrides, silicides or borides may also be included in the powder metal layer. Examples are given of the sintering at 1350  DEG C. of iron powder sandwiched between iron or steel sheets and hot or cold rolling of the composite.  Powder mixtures of iron and 15% copper, iron and 2% silica and alumina are also disclosed.
Patent GB-161228-A (GB)
Title: Improvements in the cutting of discs of glass or the like from sheets
IPC: C03B33/04
Filed: 1919-12-03
Abstract: 161,228. Preston, F. W., and Taylor, W. Dec. 3, 1919. Cutting glass.-In order to save material in cutting-out discs of optical glass and the like from. slabs, the slabs are formed of geometrical figures bounded by sides set at angles of 60‹ to 120‹ to one another. In order to cut out the discs at right angles, either the tools or the slab is moved along lines intersecting one another at 60‹ or 120‹ or a special chuck is used. Fig. 7 shows one form of slab used and Fig. 5 another. In the latter form, a whole row of tools may be used and the slab advanced by a slide set at 60‹, or a single tool may be used and the slab e placed on a plate f having studs g arranged under the centres of the discs to be cut, and set over a table which has a crutch-shaped projection adapted to be engaged in turn by the studs. For cutting out discs from a slab of the shape shown in Fig. 7, the slab is held on a table m revoluble about a centre n on an under-table o centred, at p on a base q which is fixed on the table of a rotary cutting-machine such as is described in Specification 15376/15, [Class 83 (iii), Metals, Cutting]. The base q is so adjusted that the tool, is over a point distant from the centre p an amount equal to the distance r between the centres of the discs to be cut, a graduated fence s allowing this to be done readily. The hole m is pivotally mounted on a T-beaded bar v slidable in an undercut groove in the table o. The latter has six gaps for a detent u and the table n has three gaps for the detent x. The bar v is set so that the arcs n, p are separated by a distance equal to 0.577 of the distance r. A circle of discs is first cut round the centre p. The table m is then revolved through 120‹ and another circle cut and so on.
Patent GB-253001-A (GB)
Title: Improvements in, or relating to, protective relays for series release
IPC: H01H71/24
Filed: 1925-12-01
Abstract: 253,001. Petersen, W. H., and Allmanna Svenska Elektriska Aktiebolaget. Dec. 1, 1925. Cut - out arrangements; electromagnetic switches. - In a series-release overload relay of the kind in which the current through the relay coil 3, when it closes on excess current, traverses also the contacts 4 of the relay and the actuating coil 6 of an intermediate relay while another portion is diverted through a shunt resistance coil in order to safeguard the main relay in the event of a short-circuit, the shunt coil 5 is arranged on the intermediate relay so that it may have the additional effect of assisting the actuating coil in the releasing operation. In the arrangement slown, the actuating coil 6 is arranged on an outer limb and the shunt coil 5 on the middle limb of a three-part core 7. Normally, the current transformer 1, 2 energizes the winding 5 only and serves, by reason of the relatively small gap between the armature and the unwound limb, to assist the spring 11 to hold the relay off. When excess current flows, the relay 3 closes and the winding 6 is consequently energized whereupon the armature swings over and, after a certain degree of lost-motion, the extension 13 strikes the contact 9, normally held in the closed position by the strong spring 14, and withdraws it from the companion fixed contact thereby removing the short-circuit from the trip coil 8. in the final part of this movement the winding 6 is assisted by the winding 5. A blow-out action is produced by polar extensions of the core.
Patent GB-1011691-A (GB)
Title: A fire grate assembly
Inventor: BLOOMER JOSEPH
IPC: F24B13/02
Filed: 1963-07-31
Abstract: 1,011,691. Open fireplaces. INTEROVEN STOVE CO. Ltd. July 31, 1964 [July 31, 1963], No. 30373/63. Heading F4W. A firegrate assembly comprises a sunken air box 10 with an opening in its base, a cast iron cover plate 11 which seats on the air box 10 and has four upstanding air tubes 32 corresponding to the corners of the air box and communicating therewith, a grate 13 having two grooves 34 on its underside to receive air from the tubes 32, a removable ash tray 12 and a front vertical closure wall 39 having an opening closable by removable member 47, wherein air is conducted to the underside of grate 13 through either of the openings and the walls 35 defining the grooves 34 in the underside of the grate 13 prevent ash falling down the tubes 32 into the air box 10. Air from beneath the floorboards passes via pipe 15 and collar 14 to the air box 10 through a hit-or-miss damper 16 operable by rod 21 from outside the grate assembly. The cover plate 11 with air tubes 32 seats over the air box 10 and supports the grate 13, the ash tray 12 and the front vertical closure wall 39.
Patent GB-217542-A (GB)
Title: Coating composition
IPC: C08K7/12
Filed: 1923-12-04
Abstract: 217,542. Newman, N. E. June 14, 1923, [Convention date]. Coating-compositions. - A coating-composition comprises long fibre blue or yellow asbestos, also known as Amosite and mined in Griqualand, South Africa, and a natural asphaltum such as Trinidad or Bermuda, asphalt or gilsonite. A suitable oil such as pine-tar oil may be added to the composition.
Patent GB-210200-A (GB)
Title: Improvements in pulleys
IPC: F16H55/48
Filed: 1922-11-10
Abstract: 210,200. Crompton, A. Nov. 10, 1922. Pulleys, particularly for textile machinery. An adhesive tape is applied to an arc or arcs of the peripheral surface less than the whole circumferonce of a pulley to adjust any error in diameter due to wear or due to the pulley being out of alignment with its axis of rotation. Specifications 14251/84 and 5726/85 are referred to.
Patent GB-147398-A (GB)
Title: Improvements in jigs for use in drilling and other machinery operations
IPC: B23B47/28
Filed: 1919-12-09
Abstract: 147,398. Thomas, R. W. Dec. 9, 1919. Drilling.-A jig for use in drilling or machining the ends of T or Y connexions comprises a plate 1 with a shank 2 for mounting upon the tailstock of a lathe and a hand-lever pivoted at 10 for clamping. The base-plate has secured to it a plate 4 slotted throughout its thickness to receive a Y connexion or another plate slotted to receive a T connexion.
Patent GB-1140763-A (GB)
Title: Improvements in and relating to pilot frequency correction systems
Inventor: SIMMONDS ERNEST SIDNEY
IPC: H04L27/00
Filed: 1966-07-08
Abstract: 1,140,763. Frequency correction in transmission systems. TELEPHONE MFG. CO. Ltd. 29 June, 1967 [8 July, 1966], No. 30835/66. Headings H3A and H4R. In a system for correcting frequency shift in a data transmission link a pilot frequency f1, Fig. 1, is transmitted with the data and extracted at the receiver by a filter F3, applied to a modulator M2, supplied with a local oscillator signal of f2, from which one sideband is selected in a filter F4 and the resulting signal used as a local oscillator for a modulator M1 to which the incoming signal is applied. By the appropriate choice of sideband in the filter F1 a signal is derived which is shifted in frequency relative the input signal by f2 + the frequency of the received pilot and in which the frequency shift due to the transmission has been cancelled. The output from filter F1 is then demodulated by a frequency f2 + the nominal pilot frequency f1 in order to recover the orginally transmitted data band. In a two way system the frequencies of the local oscillator supplies to the modulator M2 and demodulator D are preferably derived from two oscillators as shown in Fig. 2 which provides the local oscillator signals and pilot signals for the go and return paths of 300 and 3,300 cps. In one direction of transmission using a pilot of 300 cps., f2 = 6,600, and f1 + f2 = 6,900. In the other direction of transmission the pilot is 3,300 c.p.s., f2 = 3,600 and f1 +f2 = 6,900 c.p.s. An alternative system for deriving the same frequencies is shown in Fig. 3. In both Figs. 2 and 3 H is a frequency halving circuit.
Patent GB-520547-A (GB)
Title: Improvements in containers for articles and substances liable to deterioration in air
IPC: B65D51/20
Filed: 1938-10-25
Abstract: 520,547. Tins &c. LOMAX, Ltd., S. C., LOMAX, S. C., and KNIGHTSON. H. Oct. 25, 1938, Nos. 30848/38 and 9845/39. [Class 66] The lid 12 of a powder &c. container having a tapered portion 16 engaging the inwardly turned edge 17 of the body part is extended to provide a beaded finger grip 15 disposed outside the upper edge of the body. The inwardly turned edge 17 is arranged to be more resilient than the lid, for instance by forming lid and body portions of different metals. In the case of a container formed, as shown, with a separate bottom 20 applied after filling, a cardboard annulus 23 comprising a frangible central portion 24 of transparent material may be provided, supported. over the surface of the contents by a cardboard sleeve 27. Specification 6334/04, [Class 125], is referred to.
Patent GB-1025347-A (GB)
Title: Improvements in or relating to racks
IPC: A47F5/14
Filed: 1964-08-04
Abstract: 1,025,347. Rack stands. L. OSTHOFF. Aug. 4, 1964 [July 25, 1963], No. 30903/64. Heading A4B. A rack comprises four tubular uprights 10 of square cross-section and provided with quadrilateral cut-outs in their walls to receive tubular support members 11 and spacer members 12. The ends of the members may be closed by a plug. In a modification Fig. 4 the end of the support member does not extend beyond the upright and plates 115, 116 secured to the plug by a screw 114 hold it in position.
Patent GB-1017268-A (GB)
Title: Improvements in or relating to thermoplastic compositions
IPC: C08G2/14
Filed: 1964-08-04
Abstract: A dichloroacetaldehyde polymer is prepared by polymerizing dichloroacetaldehyde under anhydrous conditions in the presence of an ionic-type catalyst and recovering a solid polymer of average molecular weight of at least 20,000.  The catalyst may be a Lewis acid or a co-ordinate complex of a metal halide with an organic compound in which the donor atom is oxygen or sulphur.  Catalysts used in the examples are boron trifluoride etherate, aluminium bromide, niobium pentachloride and stannic chloride.  The polymerization may take place by contacting the monomer in a fluid state with the catalyst at from - 40 DEG  to +30 DEG  C., or in an organic solvent at - 80 DEG  to +35 DEG  C. The usual aliphatic hydrocarbons or chlorinated solvents may be used.  The products may be made into films or moulded articles.
Patent GB-931945-A (GB)
Title: Process for upgrading crude alkali metal sulphates
Inventor: SIMON WILBUR
IPC: C01D5/16
Filed: 1961-08-29
Abstract: Crude alkali metal, e.g. sodium or potassium sulphate containing 1-20% alkali metal chloride and 0,05-5% iron compound is purified by treatment with a gas containing sulphur dioxide, water and oxygen at 1000 DEG F. and below the fusion point until the NaCl content is below 0,3% and the iron compound is converted to a white compound. The temperatures may be maintained at 1000 DEG  to 1400 DEG F. throughout.  Alternatively the treatment may be effected in two stages, the first at 800 DEG F. or above until the NaCl content is below 0,3% and the second at above 1000 DEG F. until the white compound is formed.  The product is white, free flowing, and bisulphate-free.  The treatment gas may be 3-20% SO2, 3-20% water vapour or steam and 94-60% air.  The crude sulphate which may contain 1,2% bisulphate, may be finely divided, e.g. 98% to pass No. 4 mesh or less, and the treatment may be effected in a rotary tube furnace or fluidized bed for 1-24 hours.
Patent GB-673643-A (GB)
Title: Improvements in and relating to the control of alternating current commutator motors
IPC: H02K27/18
Filed: 1948-12-01
Abstract: 673,643. Control of A.C. motors. BRITISH THOMSON-HOUSTON CO., Ltd., and CHARLTON, O. B. Nov. 22, 1949. [Dec. 1, 19481 No. 31145/48. Drawings to Specification. Class 38 (iii). The control of an A.C. commutator motor of the Schrage type, is effected by switching means adapted to connect one or more phase windings to their brushes on the commutator while the motor is running, thereby to vary or adjust the torque of the motor, particularly to obtain desired torque values when the motor is started, phases which are open-circuited at the start being consecutively connected to their brushes as the motor accelerates. The brushes may be shifted to obtain the required torque values at the instants of connection or disconnection of the phase windings, or during the periods of operation when the brushes are connected to their phases.
Patent GB-359201-A (GB)
Title: Manufacture of aromatic compounds containing nitrogen
Filed: 1930-10-17
Abstract: Diketimide derivatives of aromatic hydrocarbons such as toluene, naphthalene, anthracene, acenaphthene, and their substitution products are obtained by treating the said hydrocarbons or derivatives thereof, with 1 : 3-dicarboxylic acid dinitriles, or such dinitrile substituted by alkyl or a bivalent organic substituent, in presence of a metal chloride condensing agent, and a solvent. Substances which produce the dicarboxylic acid dinitriles in the course of the reaction such as cyanacetamide, may also be used. According to examples, acenaphthene, naphthalene, a -methylnaphthalene, b -naphtholmethylether, a -naphtholmethylether, and toluene are treated with malonic acid dinitrile in presence of aluminium and alkali metal chlorides, acenaphthene is treated with cyanacetamide, and anthracene with methylmalonic acid dinitrile the product giving, on oxidation, anthracene 1 : 9-dicarboxylic acid. The product obtained by the above reaction on a -methylnaphthalene gives on oxidation the 1 : 4 : 5-naphthalene tricarboxylic acid.  The Specification as open to inspection under Sect. 91 (3) (a) includes also the use of dinitriles substituted by a bivalent substituent, such as oxygen; this subject-matter does not appear in the Specification as accepted.