baber/WOPTO huggingface dataset:
Patent GB-716772-A (GB)
Title: Improvements in or relating to high pressure gear pumps
IPC: F04C2/18
Filed: 1952-12-04
Abstract: 716,772. Gear pumps. BOSCH, GES., R. Dec. 4, 1952 [Dec. 7, 1951], No. 30731/52. Class 110(2) The gear wheels 9, 10, of a gear pump have a degree of axial play in the pump casing, and the latter is formed with passage means which enable the fluid to be pumped from the region 11 where the gears are in mesh to the opposite sides of the wheels, thus providing a cushion between the wheels and casing to hold the wheels centrally in the chamber. The casing shown is in four parts 1, 2, 3, 4, of which the part 1 has inlet and outlet openings 14, 15, which communicate with recesses 12, 13, in the part 2. The gears 9, 10 are mounted on hollow shafts 7, 8, mounted in bearing boxes 5, 6, having chamfered inner ends which provide annular grooves 16, 17 as shown. These grooves are joined by grooves 18, 19, in the casing parts 1, 3, respectively. In use the fluid at high pressure between the intermeshing teeth pass into the grooves 16 - 19 to provide the cushion between the gears and casing. Slight leakage of oil serves to lubricate the shafts and the leakage oil finally reaches a chamber 22 from which it is returned to the suction side of the pump. Shaft 7 is driven by dogs 23 from a shaft 31, the latter having an extension 26 whose end 27 has a sliding fit on an internal collar 28 of the shaft; this prevents tilting movements being transmitted to the shaft. In a modification the oil from the meshing teeth passes first through passages to the bores 5, 6, and thence to the annular grooves.
Patent GB-409601-A (GB)
Title: Improvements in and relating to refrigerating machines
IPC: F25B40/00
Filed: 1933-11-06
Abstract: 409,601. Refrigerating. BRITISH THOMSON - HOUSTON CO., Ltd., Crown House, Aldwych, London.-(Assignees of Steenstrup, C. ; 2250, Grand Boulevard, Schenectady, New York, U.S.A.) Nov. 6, 1933, No. 30778. Convention date, Nov. 5, 1932. [Class 29.] Compression machines.- An evaporator in a refrigerator compartment is supplied with liquid refrigerant through a tube 36 under the control of a valve 29 connected to a float 30, and the gaseous refrigerant leaving the evaporator passes by connection 22 to a spiral passage 37 in the compartment and in heat exchange relationship with tube 36 before passing to the compressor through connection 24. Specifications 408,545 and 409,602 are referred to.
Patent GB-197908-A (GB)
Title: Improvements relating to hose couplings
IPC: F16J15/10
Filed: 1922-11-10
Abstract: 197,908. Westinghouse Brake & Saxby Signal Co., Ltd., (Assignees of Wildin, G. W.). May 16, 1922, [Convention date]. Pipes.-In a pipe coupling comprising counterpart members in which a flexible gasket 7, Fig. 1, forming the abutting surface, is held within a seat 3 of brass or other non-corrodible metal, the seat blank is deformed into position by swaging. The seat recess may be cast. The blank may be of dished form with a cylindrical periphery 4, Fig. 2. A conical tool 6 under hydraulic pressure enters the blank and forces it to fill the undercut recess 2. A groove is then cut in the seat to receive the gasket. In a modification the seat recess has parallel sides and a bottom groove and the seat blank has a corresponding flange. The seat blank may be solid, the pressure being applied to its top face.
Patent GB-485163-A (GB)
Title: Process for the manufacture of calcium hydride
IPC: C01B6/04
Filed: 1936-11-11
Abstract: Calcium hydride is obtained by reducing calcium oxide with magnesium in an atmosphere of hydrogen the mixture being maintained at a temperature below 1100 DEG  C., until the reduction of the calcium oxide is complete.  According to one example a mixture of magnesium filings and dry calcium oxide is placed in a steel crucible which is placed in a vacuum-tight cylindrical retort. The retort is evacuated, filled with hydrogen and heated in an electric furnace, the temperature being raised gradually to 700 DEG  C. in order to avoid a too sudden evolution of adsorbed hydrogen at 651 DEG  C.  Hydrogen is then supplied until the reaction is complete.  The retort is preferably then heated to 800-900 DEG  C. the retort being rotated or oscillated.  According to another example calcium oxide is placed in a horizontal cylindrical retort filled with hydrogen and heated to 800 DEG  C.  A magnesium ingot is fused in a steel pipe occupying the central axis of the retort, this pipe being provided with a row of small holes in its upper part.  The retort is given a rotating on oscillating movement to distribute the molten magnesium with the calcium oxide.  The speed of rotation of the retort determines the amount of magnesium which contacts with the calcium oxide and this provides a means of controlling the reaction.
Patent GB-896727-A (GB)
Title: Improvements in or relating to synchronizers for transmission mechanisms
IPC: F16D23/06
Filed: 1958-09-26
Abstract: 896,727. Positive clutches. REGIE NATIONALE DES USINES RENAULT. Sept. 26, 1958 [Oct. 15, 1957], No. 30822/58. Class 80 (2). In a synchromesh dog-clutch for clutching freely-mounted change-speed gear-wheels 1, 2 to a shaft 3, by engagement of dog-teeth 6 on an axially-slidable sleeve 5 with dog-teeth 7 of the gear-wheels, a balk synchronizing cone 11 of relatively large diameter is carried by the dogteeth 7 and its circumferential movement thereon is limited by radial resilient balk pins 20, Fig. 3, which, on synchronization, permit passage thereover of slots 19 in the balk cone to allow axial engagement of the dogs 6, 7. The balk cone 11 is urged towards a complementary cone 9 on the dog-sleeve 5 by spring and centrifugally-loaded radial plungers 16, the axial force of which decreases towards the engaged position. The balk cone 11 is retained in neutral against shoulders 13 on the dog-teeth 7 engaged by internal spline teeth in the cone which teeth, on assembly, are registered with the dog teeth by turning the balk cone 11 after passing it over the dog teeth. The cones 9 may be of sintered alloy.
Patent GB-484073-A (GB)
Title: Improvements in magnetic materials, more particularly for powder cores
IPC: H01F1/147
Filed: 1937-11-10
Abstract: A magnetic alloy which can easily be powdered for use in cores for coils, consists of iron with 7-9 per cent of silicon and 6-11 per cent of manganese.  The powdered material may be annealed in dry or wet hydrogen for one hour at 1100 DEG  C. and may be insulated by coating the particles with a layer of zinc ammonium phosphate mixed with a binder and subsequently pressed into the required form.
Patent GB-603040-A (GB)
Title: Manufacture of articles from polymers or copolymers of vinyl chloride
IPC: B29C48/09
Filed: 1945-11-16
Abstract: Articles such as artificial horse-hairs, rods, straws, tubes, threads and sheets are made from polymers or copolymers of vinyl chloride by treating the polymers with a quantity of a volatile solvent, insufficient to give a solution at ordinary temperatures, so as to form a swollen mass, and then extruding the mass into a current of air or an evaporative chamber to remove the solvent. The solvent may be acetone or a mixture of acetone and carbon disulphide.  The extruded mass may be stretched while passing through hot water, oil or air and extruded filaments may be twisted after stretching. Loading materials, pigments or dyes may be added to the mass before extrusion.  The extruded threads may be solid or hollow.  In an example, the swollen mass is formed by exposing grains of copolymers of vinyl chloride and vinyl acetate to the vapours of acetone until they absorb 50 per cent, by weight, of the solvent.ALSO:Articles such as artificial horse-hairs, rods, straws, tubes, threads and sheets are made from polymers or copolymers of vinyl chloride by treating the polymers with a quantity of a volatile solvent, insufficient to give a solution at ordinary temperatures, so as to form a swollen mass, and then extruding the mass into a current of air or an evaporative chamber to remove the solvent.  The solvent may be acetone or a mixture of acetone and carbon disulphide.  The extrusion apparatus may be heated. The extruded mass may be stretched while passing through hot water, oil or air.  Extruded filaments may be twisted after stretching.  Loading materials, pigments or dyes may be added to the mass before extrusion.  The threads may be solid or hollow.
Patent GB-1340217-A (GB)
Title: Audio alarm having an electric driving circuit
IPC: G04C21/02
Filed: 1971-07-01
Abstract: 1340217 Diaphragm vibrators KIENZLE UHRENFABRIKEN GmbH 1 July 1971 [3 July 1970] 30948/71 Heading G5J An electric alarm clock buzzer comprises an E cross-section iron pot 2, with a control coil L 1  and an operating coil L 2  wound round its core 5, and an arched iron membrane 1 held against its rim by a plastics case 4. A cone shaped membrane 3 is attached at its apex to the iron membrane, and its rim bends over and grips the plastics rim 6. Transistor T 1  is mounted on the plastics case and a variable resistor R is included to vary the frequency of the sound produced.
Patent GB-620776-A (GB)
Title: Improvements in or relating to display signs
IPC: G09F7/08
Filed: 1946-10-18
Abstract: 620,776. Signs. ELLWOOD PATENTS, Ltd., and ELLWOOD; G. Oct. 18, 1946, No. 30999. [Class 3(ii)] A display sign comprises a bar 1 of T or angle section which supports symbols 4 provided with slots 5 arranged so that the symbols clip astride a flange of the bar. The symbols and bar are made of plastic, aluminium or like strip or are moulded or cast. The symbols may be suspended from the bar if desired. The underside of the bar may be baize covered.
Patent GB-266484-A (GB)
Title: Improvements in or connected with water heater
IPC: F24H9/20
Filed: 1925-12-09
Abstract: 266,484. St. Leger, A. A. H., and Richmond Gas Stove & Meter Co., Ltd. Dec. 9, 1925. Valves actuated by vessels receiving and discharging liquids.-A valve device for controlling the gas supply to water heaters, of the kind in which the inflowing water falls into a pivoted vessel coupled to the gas valve, has the vessel counterbalanced by a weight suspended from the arm carrying the valve. In the form shown in the Figure, the gas valve co-operates with a seat 16 and has a valve-like sealing collar 14a adapted to seal the aperture through the diaphragm 21 when the gas valve is open. The valve spindle 24 has a head 26 secured by a coupling to the lower end of a weight 25 housed in a tube connecting the upper and lower casings. This weight is suspended from an arm 27 fixed to a spindle 28 which passes to the outside of the casing, where it is fixed to an arm 11<x> carrying the tipping vessel. The top of the vessel is fitted with a gauge strainer and the bottom has a series of holes whereby the vessel is automatically emptied when the supply through the funnel 3 ceases. The upper casing is fixed to a plate 30 provided with a slot for the arm 11<x>, and is adapted to be secured over a hand hole in the top part of the heater. An open-sided box is secured to the heater to protect the lever 11<x>. In a modification the valve is arranged in the top casing( the gas being led away through a tube arranged within the tube 23.
Patent GB-175019-A (GB)
Title: The manufacture of ortho-sulphonic acids of aromatic amines
Filed: 1920-11-03
Abstract: o-Aminosulphonic acids are obtained by sulphonating primary aromatic amines with chlorsulphonic acid in presence of a solvent, preferably tetrachlorethane.  The reaction may be completed in the solvent or the chlorsulphonate which sometimes separates may be collected and heated in the absence of the solvent.  In examples asym-m-xylidine-5-sulphonic acid and 2-naphthylamine-1-sulphonic acid are obtained by sulphonating the corresponding amines with chlorsulphonic acid in tetrachlorethane solution.  The following primary aromatic amines may also be converted into o-aminosulphonic acids in similar manner:-aniline, p-toluidine, o-xylidine, p-nitraniline, p-chloraniline, 3 : 5-dichloraniline, 2 : 4-dichloraniline, 3 : 4-dichloraniline, o-chlor-p-toluidine, dehydrothiotoluidine, o-anisidine, chloro-o-anisidine-1 : 2 : 5.
Patent GB-428670-A (GB)
Title: Beaded moulding
IPC: B60R13/04
Filed: 1934-10-31
Abstract: 428,670. Vehicle bodies. CROWE, O. J., 3267, Elmhurst Avenue, Detroit, Michigan, U.S.A. Oct. 31, 1934, No. 31215. Convention date, March 3. [Class 108 (i)] [See also Groups X and VII] A flexible moulding strip adapted to serve as sealing and anti-squeak means between parts of the bodywork of motor vehicles comprises a web having extending along one edge a bead portion enfolded by a covering of thin ductile metal. The strip may be in the form of a bead 10, Fig. 1, composed of fibre, paper, indiarubber, leather, or the like and enclosed by a fabric strip 11 which has lapping leg portions 12, 13 secured together by cementing, stitching, &c. The bead 10 is covered by a thin metal member 15 such as aluminium or aluminium alloy, which is folded around the bead with its side edges engaging under the lower surface thereof and extending to the lapped leg. portions 12, 13. The undersurface of the bead may be provided with a groove 16, into which a portion of the fabric strip may be crimped by the edges of the metal covering. The leg portions 12, 13 of the fabric strip are notched as at 14 to enable the moulding to be flexed as desired. In a modification, the fabric strip 22, Fig. 6, is covered, prior to assembly on the bead 20, by a thin flexible metal layer 23 of zinc, brass &c., which is narrower than the fabric strip and is secured thereto by cementing, stitching, &c. The metal layer may be plated or painted with chromium or the like. In a further modification, the bead 20, Fig. 7, is covered by a metal strip 24 disposed with its edges in lapping relation to form a short leg 25 which is enclosed by the edges of a folded strip 26 of fabric adapted to be stitched or otherwise secured to the metal layer 25. In such a construction the lapped portions of this metal strip may be upwardly turned to provide folded portions for clamping the edges of the fabric strip. In further modifications, the bead may be of somewhat triangular shape with a curved upper face as shown in Fig. 10, or of relatively flat form as shown in Fig. 13. The strip may also comprise an extruded or moulded rubber bead and leg with the metal layer applied over the bead. In use, the moulding is arranged with the fabric leg in the panel or other joint which the bead portion is adapted to conceal. The strip may also be employed between the lower edge of the stream-lined roof 40 of a motor vehicle and the top of a trunk or the like 41 on the end of the vehicle as shown in Fig. 12.
Patent GB-912674-A (GB)
Title: Improved synthetic rubber compositions
Inventor: ARDLEY STANLEY MAURICE
IPC: C08K5/06
Filed: 1960-09-10
Abstract: A composition consists of a cis-1,4-polybutadiene and a liquid ether obtained from the reaction of cashew nut shell liquid and a dihydric phenol.  The liquid ether, preferably from resorcinol, is preferably present in amount from 5 to 30 parts per 100 polybutadiene. Vulcanizing agents, fillers and antioxidants may also be present as may also natural rubber.  U.S.A. Specification 2,203,206 is referred to.
Patent GB-1482592-A (GB)
Title: Methods of detecting blockages and/or discontinuities in tubes
IPC: G01S15/88
Filed: 1975-06-16
Abstract: 1482592 Pulse-echo apparatus CENTRAL ELECTRICITY GENERATING BOARD 16 June 1975 [15 July 1974] 31308/74 Heading G1G A method of detecting an obstruction 11 in a tube or a hole 12 in a tube wall by a pulse echo system comprises using a synchronized CRT display and pulses of audio frequency acoustic signals propagated from one end of the tube 10 in the air thereof. Use is made of a pulse generator 16, a transducer unit 13 having a loudspeaker 14 and microphone 15 and a CRT oscilloscope 18 with its time base synchronized with the pulse generator 16 the transducer unit being fitted on to or in one end of the tube. As described the transducer unit has a crystal microphone, 34, Fig. 3, in front of a loudspeaker 31 and a mounting 30 with a short tubular element 36 that fits snugly inside the tube to be inspected. The resilient foam rubber seal 38 is pressed against the tube end during inspection. The unit may also be made (not shown) to fit inside a tube with a miniature umbrella device (not shown) by which the unit may be pushed along the tube by air-pressure and retrieved by the cables 32, 35. A storage or long persistence CRT can be used. Holes 12 may be distinguished from obstructions by the type of echo trace Fig. 2, (not shown). Signals from a tube under test may be compared with data-stored signals from a known good tube to give a simple indication via data processing if there is a difference between the two.
Patent GB-306585-A (GB)
Title: Improvements relating to advertising devices
IPC: G09F13/14
Filed: 1927-11-23
Abstract: 306,585. Martin, S. C. Nov. 23, 1927. No Patent granted (Sealing fee not paid). Signs.-A sign of the type having an inclined reflector and a stencil arranged either above or in front of the reflector and formed as a collapsable structure which is square or triangular in section is made of cardboard &c. sheets suitably scored and hinged together and provided with foldable side-pieces or flaps and an apertured front and top. A cardboard &c. sheet is cut and creased so as to form the casing R having a back B, a top D carrying a transparency C, a bottom piece D<1> and side flaps A. The top and bottom pieces are hinged to a front sheet E having a viewing aperture and a mirror G, Fig. 5, is arranged diagonally in the casing. By turning back the side flaps the casing can be collapsed as shown in Fig. 5. A suspending cord H passing through slots J in the top and secured to the side flaps may be provided.
Patent GB-193499-A (GB)
Title: An improved furnace
IPC: F23H7/02
Filed: 1921-11-24
Abstract: 193,499. Chadwick, V. R. Nov. 24, 1921. Grates; baffles; combustion chambers, secondary; air, supplying.-A furnace comprises, in combination, a rearwardly and downwardly inclined grate 2 composed of a series of open-topped troughs 3 of gradually diminishing section from front to back, which support a series of interlocking, downwardly and forwardly inclined fire-bars 4, a secondary combustion chamber 9, a passage 10 to convey hot air to the products of combustion on their way to the chamber 9, and a baffle chamber 12 having projections 13 of lozenge-shape on its walls 14. The crown 6, above which is the chamber 9, is more or less parallel to the gratesurface, and a narrow space 8 is provided between the crown 6 and the wall 7 at the rear of the grate. Air is supplied under pressure to the grate through the passage 5. Inspection &c. doors are provided at 16, 17, 18.
Patent GB-789570-A (GB)
Title: A floating craft for the transport by water of a wheeled caravan or trailer
IPC: B63B35/73
Filed: 1955-11-04
Abstract: 789,570. Caravan-carrying craft. KING, R. C. Oct. 12, 1956 [Nov. 4, 1955], No. 31576/55. Class 113. A decked craft 1 for rendering water borne a wheeled caravan 12 has one or more openings in its deck 4 to permit the entrance therethrough of the wheels of the caravan, a well 10 beneath each opening to accommodate each said wheel, and means with ineach well for supporting the caravan by its wheels, for lowering the caravan to a position where its wheels are partially accommodated within the one or more wells and the underside of its body is supported by or in close proximity to the upper surface of the said deck, and for elevating the caravan to bring the wheels to deck level so that the caravan may be disembarked. Said means comprises channel guides 20 spaced apart a distance equal to the track of the wheels and supported by a rectangular frame which is raised and lowered by jacks.
Patent GB-691218-A (GB)
Title: Method of and device for shocking plastic masses
IPC: B28B1/087
Filed: 1950-12-29
Abstract: 691,218. Vibrating concrete &c. in moulds. THOULOW, S. Dec. 29, 1950, No. 31601/50. Class 87 (ii) [Also in Groups XVII and XIX] A cylindrical mould 18 for producing specimens, e.g. of concrete, has a pivoted handle 19 which is dropped alter nately against opposite sides of the mould to impart shocks thereto and cause the mass therein to subside. The number of shocks required may be previously determined by a test for consistency (see Group XIX).
Patent GB-1095827-A (GB)
Title: Vulcanisable elastomeric compositions
IPC: C08K3/04
Filed: 1966-07-14
Abstract: A composition comprises natural or synthetic rubber and at least 10 parts by weight per 100 parts rubber of a partially calcined, ground coke, said coke having a volatiles content of 1 to 10% by weight and having been ground in a non-oxidizing atmosphere.
Patent GB-300500-A (GB)
IPC: H01G4/224
Filed: 1928-10-31
Abstract: 300,500. Telephon - Apparat - Fabric E. Zwietusch & Co., Ges. Nov. 12, 1927, [Convention date]. Void [Published under Sect. 91 of the Acts]. Condensers, particularly of the roll type, are hermetically sealed in a container 2 by means of a soldered or welded cover 3, the opening or openings for the terminals 5 being sealed with an insulating filling 6 which also secures the terminals in place. The Specification also refers to a container constructed in a single piece.
Patent GB-191244-A (GB)
Title: Improvements in and relating to domestic ranges and grates
IPC: F24B5/08
Filed: 1921-11-26
Abstract: 191,244. Parker, J. Nov. 26, 1921. Cooking-ranges; convertible close and open fireplaces; ashes, flue-dust, and the like, collecting and removing.- A cooking range, of the kind convertible into an open fireplace comprises a fire-box a from which the hot gases pass through flues d, c<3>, beneath and at the back of a boiler c, to the oven top flues k, from which they pass down the sides and along the bottom of the ovens to a chamber f located beneath the ash-pan s and communicating by means of an outlet l with the flues e leading to the chimney. The boiler s has a curved top c<1>, Fig. 1, which provides spaces c<4> connecting the flue c<3> with the oven flues k, and a flat front plate c<2> fitting close up against the hobs g, a top plate i being provided to separate the two spaces c<4>. By opeming dampers j in the .sides of the fire-box the gases pass directly to the oven top flues k. The chamber f has a removable bottom plate r which is removed when the flues are being cleaned to allow the soot to fall into the removable pan o below. To convert the range into an open fire, the sliding fire-cover m is pushed back so that its rear portion wholly or partly closes the flue e, the hood n is pulled forward and the dampers j closed. The ovens b may be replaced by boilers for heating radiators.
Patent GB-520867-A (GB)
Title: Improvements in folding crates
IPC: B65D6/16
Filed: 1938-11-02
Abstract: 520,867. Crates for fruit. KAMPER, A. M., and NO-NAIL CASES PROPRIETARY, Ltd. Nov. 2, 1938, No. 31764. Drawings.to Specification. [Class 18] A crate, for fruit, made from a folding blank constituted by the bottom, back and front and in some instances the top united along opposite long edges by metal binding strips comprising a body portion, which may be longitudinally ribbed, and a flange portion at right angles thereto leaving a channel to take the edges of the ends, has the body portion of the flange secured by wire staples. Reinforcing straps may be stapled intermediately to the blank to minimise wringing and wracking. The' edge strips may be further held by metal lugs wire stapled or otherwise secured to the panels, and passed through slits' in the strips, whereafter they are turned over outwardly. The panels may be made from spaced boards for ventilation and slats may be secured to the lids to permit ventilation when the crates are stacked. A partition may be provided which is secured by lugs bent around a reinforcing strip.