baber/WOPTO huggingface dataset:
Patent GB-1311680-A (GB)
Title: Contraceptive preparations and method of contraception
IPC: A61K31/567
Filed: 1970-04-24
Abstract: 1311680 Contraceptive dosages SCHERING AG 24 April 1970 [24 April 1969] 19836/70 Heading A5B A contraceptive preparation in unit dosage form suitable for oral administration, free from oestrogens, is in the form of one or two discrete units and comprises a gestagen in a contraceptive dosage amount and a carrier. The gestagen is a progestational hormone having as pituitary hypothalmic action or one having such action only above a threshold dose which is greater than the minimum dose which produces the required gestagenic action (which is that corresponding to the effect of from 250Ág to 750Ág of d-norgestrel administered in the same way measured by its effect on the cervical mucus). Suitable forms are tablets and dragees, one or two of which act as a contraceptive dosage when administered to females during the period 3 hours before to 12 hours after coition.
Patent GB-374308-A (GB)
Title: Lighting apparatus
IPC: F21V3/00
Filed: 1931-07-10
Abstract: 374,308. Decorative &c. lamps. PEIZEL, B., 1087, Prinsengracht, Amsterdam. July 10, 1931, No. 19923. Convention date, July 10, 1930. [Classes 75 (ii) and 75 (iv).] In a lamp for decorative or other purposes light rays from a source are directed according to one of the longitudinal directions of a solid light-transmitting body and are diffused by means of bubbles in the interior of the body. In the form shown, an electric lamp bulb b is disposed within a ventilated closed case a having in one wall an opening c fitted with a straight glass red d which is formed with a large number of small air bubbles divided as equally as possible. The straight rod may be replaced by a bent rod, a plate, or a statuette. The Specification as open to inspection under Sect. 91 (3) (a) states also that the lighttransmitting body may be made diffusing by crystallisation of the glass, by using a mixture of glasses of different refractive indices, or by using opal glass, and that the body may be made hollow to receive an opalizing liquid or other medium. This subject-matter does not appear in the Specification as accepted.
Patent GB-638205-A (GB)
Title: Coil handling apparatus
IPC: B21C47/24
Filed: 1947-07-24
Abstract: 638,205. Rolling; winding. AETNASTANDARD ENGINEERING CO. July 24, 1947, No. 19923. Convention date, Aug. 17, 1946. [Class 83 (iv)] [Also in Group XXX] . Apparatus for handling coils of strip or similar material in which the coils are supported on a reel includes a carriage movable towards or away from the reel, an elevator mechanism mounted on the carriage, cradle means mounted on the elevator for supporting the coil in either vertical axis or horizontal axis position and for moving the coil between these positions, means for moving the elevator vertically relatively to the carriage, and means for actuating the cradle to cause the coil to assume either of said positions. As shown in Fig. 1, a coil of steel strip 2 is wound on a reel 1 which is of the type equipped with means for gripping the inner end of the strip and is also collapsable to a reduced diameter so that the coil may be removed from the unsupported end of the reel 1. The reel 1 is supported in a housing 3 and is driven through suitable gearing from a motor 4. A carriage C is mounted by rollers 12 on I-beams 9 in a pit for movement towards and away from the reel. The carriage C carries an elevator (not shown) operated by a hydraulic ram 21 on the carriage C and guided by a member 26 sliding in apertures in the carriage to raise and lower a cradle A comprising limbs 39 and 40 mounted in trunnions 38. The limb 39 carries' rollers 41 in trough formation to receive the coil which is pushed into engagement with the limb 40 by a member 5 on the coil winding-machine. The cradle A may be turned about the trunnions 38 by a rack 47 engaging a toothed section 46 and operated by a hydraulic ram 51 on the elevator. The carriage may be moved towards and from the machine on its rollers 12 by a hydraulic ram 20. To remove a coil from the reel 1, the carriage is moved up to the machine with the cradle A in the position shown, the elevator is raised to bring the rollers 41 into engagement with the coil which is then pushed against the limb 40 by the member 5, the carriage is backed from the machine carrying the coil, and the cradle is turned so that the axis of the coil is vertical. The limb 40 is provided with slots 43 for the entry of the forks of a lifting truck. Means 30, 31 limit upward movement of'the elevator, and stops 44, 45, 441, 45<SP>1</SP> limit the rotation of the cradle A. The controls may be interlocked to prevent an incorrect sequence of operations. The device may also be used to place a coil on the reel. Pressure fluid for operating the apparatus is supplied by a motor 54 and pump 57.
Patent GB-827788-A (GB)
Title: Improvements in or relating to centrifugal drying machines
Inventor: BURT JOHN BERNARD
IPC: D06F49/00
Filed: 1957-06-25
Abstract: 827,788. Spin-driers. ACME WRINGERS Ltd. July 3, 1958 [June 25, 1957], No. 19961/57. Class 34(2) Raising the lid of a spin-drier effects, through the interengagement of a cam 10 carried by the lid and a roller 11 supported at the top of a rod 12, the actuation of a lever 13 and hence the opening of a motor control switch 18 and the application of a spring-urged brake shoe 15 against the underside of a driving pulley 6.
Patent GB-894778-A (GB)
Title: Improvements in or relating to cranes
Inventor: HALLSWORTH ARNOLD
IPC: B66C23/36
Filed: 1959-06-11
Abstract: 894,778. Fork lift trucks; jib-cranes. STEELS ENGINEERING PRODUCTS Ltd. June 3, 1960 [June 11, 1959], No. 19961/59. Classes 78 (3) and 78 (4). A slewing jib-crane has a supplementary lifting appliance comprising a guideway 14, detachably connected between a member 25 on the slewing platform and the jib, and a carriage 34 which can be raised up the guideway by the crane hook 13. As described, load handling is facilitated by luffing the jib to tilt the guideway. Slots 19 at the top of the guideway are formed by hinged members 18, Fig. 3. A ladder 37, Fig. 1, provides access to the top of the guideway. The tines 34a of the carriage are telescopic. To remove the guideway from the crane the fork tines 34a may be pushed into slots 39, 40, Fig. 7, on a stand 38 with the base of the guideway resting against an adjust. able stop 41. The top and bottom connections are now broken and the attachment left on the stand 38. Alternatively, the tines 34a may be attached to the ground, the bottom of the guideway disconnected from the crane and the attachment lowered to the ground by simultaneously backing the crane away and luffing the jib. When the guideway is on the ground the upper connection and the lifting hook may be disconnected.
Patent GB-991920-A (GB)
Title: Radiopaque media and method of making an improved radiograph
IPC: A61K49/04
Filed: 1961-06-02
Abstract: A radiopaque medium comprises a stable homogeneous liquid suspension containing cellulose crystallite aggregates having a level off D.P. (as defined) especially a level off D.P. averaging from 15 to 375 anhydroglucose units.  The medium may be fluid, gel or paste; and the suspension may be aqueous or oleaginous.  The cellulose crystal aggregates may be used alone or with one or more other water-insoluble or water-soluble radiopaque substances. Flavouring material may be added to render it more palatable for oral administration.  Specified insoluble radiopaque substances are barium sulphate, bismuth subnitrate, iodized and chlorinated peanut oil, ethyl diiodobrassidate in sesame oil and thorium dioxide.  Specified water-soluble radiopaque substances are iodopanoic acid, sodium 3,5-diacetramido - 2,4,6 - triiodobenzoate, 3,5-diodo-4-pyridon-N-acetic acid diethanolamine, disodium N - methyl - 3,5 - disodo - chelidamate, sodium tetraiodophenolphthalein, beta-(4 - hydroxy - 3,5 - diiodophenol) alpha phenyl-propionic acid, 2,4 - dioxo - 3 - iodo - 6 - methyl tetrahydropysidine N-acetic acid diethanolamine salt, sodium ortho-iodohippurate dihydrate, sodium salt of monoiodomethane sulphonic acid and disodium N-methyl-3,5-diodo-4-pyridone-2,6-dicarboxylate.  Specification 970,111 is referred to.
Patent GB-692333-A (GB)
Title: Charging device for pneumatic conveying systems
IPC: B65G53/46
Filed: 1951-08-25
Abstract: 692,333. Feeding to pneumatic conveyers. JONES. W. D. (Brieden & Co., Kommanelit-Ges and Maschinenfabrik und Eisengiesserei A. Beien). Aug. 25, 1951. No. 20086/51. Class 78 (i). Goaf is fed from hopper 6 by conical wheel 3 to air jet 7. which discharges the goaf into pipe S. Wheel 3 is provided with seals 13, is adjustable vertically by nut 17 for wear, and is driven by a motor through gear 5. Wear plate 2 is fixed to casing 1 which is rotatable on base 9 by means of screws working in slots 10. Slots 18 in wheel 3 reduce wear.
Patent GB-495728-A (GB)
Title: Improvements in or relating to method of manufacturing starch
IPC: C08B30/04
Filed: 1938-07-20
Abstract: In the manufacture of starch from corn, starch-milk is tabled to separate most of the starch, and the liquor containing the glutin and the rest of the starch is centrifuged to separate the starch.  The gluten liquor may be partly dewatered before centrifuging, the water separated being used to treat additional corn, and the starch from the centrifuge may be returned to the starch-milk.  The process is illustrated by a flow sheet.
Patent GB-381617-A (GB)
Title: Improvements in and relating to control valve devices for fluid pressure braking apparatus
IPC: B60T13/24
Filed: 1931-07-13
Abstract: 381,617. Fluid-pressure brakes. LEECH, K. H. and WESTINGHOUSE BRAKE & SAXBY SIGNAL CO., Ltd., 82, York Road, King's Cross, London. July 13, 1931, No. 20101. [Class 103 (i).] A control valve for fluidpressure brakes, more particularly motor vehicle vacuum brakes, comprises a slide or piston valve 5 adapted to be moved by the brake pedal first to close the atmospheric port 6 and then to lift a poppet valve 8 opening communication between the brake cylinder 2 and a source of vacuum 13, the valve 8 being reclosed to maintain a definite braking effort when the pressure in the brake cylinder corresponds to the effort exerted on the brake pedal. The piston valve 5 is moved by means of a spring 26 and a rod 23 and moves the valve 8 by shoulders 9, 10. The valves move to close both ports when the pressures acting on the valve balance the pressure of the spring 26 and thus provide a lap position. The brake pedal is connected to a rod 21 and first moves a lever 22 about its connection 27 to the rod 23 to operate a lever 28 connected to the brake transmission to take up slack therein and then moves the lever 22 about its connection 29 to the lever 28 to operate the valve. The lever 28 is fixed to a spindle 31 which operates the master cylinder 4 of the hydraulic transmission. The brake piston 34 is connected to a lever 32 loosely mounted on the spindle 31 and having a lug 35 engaging a shoulder 36 on the lever 28.
Patent GB-732514-A (GB)
Title: Improvements in or relating to polymerization process and product
IPC: C08F10/00
Filed: 1953-07-21
Abstract: In a process for the copolymerization below 0 DEG  C. of a major proportion of a C4 or C5 isoolefine, e.g. isobutylene, with a minor proportion, preferably 1-10 per cent, of a C4 to C6 diolefine, e.g. butadiene, isoprene and dimethyl-butadiene, in the presence of a Friedel-Crafts catalyst and a solvent for the monomers, copolymer and catalyst, additional quantities of one or more of the monomers are added to facilitate the settling of the copolymer mixture into two phases, the upper phase having a lower polymer concentration than the lower phase.  The copolymer is recovered from the lower phase and the upper phase is returned to the polymerization zone.  The process may be performed batchwise or continuously.  The solvent may be a paraffin such as butane, pentane, hexane or heptane or a commercial petroleum fraction, and aluminium bromide is the preferred catalyst used at a temperature of -110 DEG  to -50 DEG  C. Examples describe the batchwise and continuous copolymerization of isobutylene and isoprene.
Patent GB-939662-A (GB)
Title: Prepayment gas meters
Inventor: CHARLES JOHN ARTHUR
IPC: F16K1/54
Filed: 1959-06-12
Abstract: 939,662. Prepayment gas meters. UNITED GAS INDUSTRIES Ltd. June 10, 1960 [June 12, 1959], No. 20278/59. Class 27. [Also in Group XXIX] A shut-off or inlet valve assembly for prepayment gas meters comprises a resilient valve pad 5 coacting with a seat 7 and secured between a disc 1 and washer 6 by a cylindrical body 2 which is formed with a conical or spherical seating 10 for a ball 12 by which the disc is universally mounted on a lever 16 fixed on a spindle 17, a rod 11 on which the ball is mounted being adjustably secured to the lever 16. The ball, which may alternatively be a half ball, is loaded by a compression spring 13 seating over an annulus 15, or on a flat or hollow surface in the case of a half ball, whereby the lever 16 can continue movement in the valve closing direction after the valve pad 5 has engaged its seat to close ultimately an auxiliary valve 21 which passes a restricted flow through a filter 25, consisting of a gauze casing containing cotton wool &c. and a nozzle 24. The pivotal centre of the ball joint may lie in the plane of the operative face of the valve pad or forward of that plane, i.e. on the side of the pad remote from the lever 16, as shown. Specifications 729,314 and 775,436 are referred to.
Patent GB-688676-A (GB)
Title: Bends for admitting material to pneumatic conveyors
IPC: B65G53/52
Filed: 1951-08-29
Abstract: 688,676. Pipe bends. MIAG VERTRIEBSGES. Aug. 29, 1951 [Aug. 31, 1950], No. 20335/51. Class 99 (i) [Also in Group XXX] A bend for a pneumatic conveyer is constructed so that it can be cleaned. The usual closing valve 10 is arranged substantially in the middle of the bend and is pivoted at 6. The valve is curved and in the open position forms part of the outer wall 9 of the bend. The wall 9 is pivoted at 13 and secured by a lock at 4. When the wall 9 is released, the valve 10 falls into the vertical position and a tool can be inserted in the direction of the arrow 3 to clean the vertical part of the bend. The horizontal part is cleaned by inserting a tool in the direction of the arrow 12.
Patent GB-242379-A (GB)
Title: Improvements in or relating to priming compositions
IPC: C09D5/00
Filed: 1924-08-28
Abstract: 242,379. Ruth Akt.-Ges., G., and Weithoner, R. Aug. 28, 1924. Fillers; varnishes.- Coating-compositions, for use in priming are prepared by adding aluminium hydroxide to a mixture of resin, such as resin, and drying oil, such as linseed oil, or of resin and a varnish containing drying oil such as wood oil hydroxide to a mixture of a resin, such as rosin, soap. The mixture is warmed and thinned down with a solvent such as turpentine, with or without a drier, such as lead-manganese drier. The aluminium hydroxide may be replaced by aluminium salts and an alkaline agent which forms the hydroxide. In a modification, aluminium hydroxide is added to a resinic or fatty acid in such amounts as to form a basic aluminium soap, which is then mixed with drying oil or a varnish containing drying oil, and resultant mass thinned down as before.
Patent GB-1008879-A (GB)
Title: Fluid flow control valves with viscous dampers
IPC: F16K15/03
Filed: 1962-05-28
Abstract: 1,008,879. Valves. E. M. SMITH. May 28, 1962, No. 20422/62. Heading F2V. A slow closing check valve comprises two flap members 18, Fig. 1, pivoted to a hinge clamp 14 to control flow through a pipe 10. The flaps are connected by links 33, 35 to a damper which comprises a shaft 37, Fig. 3, carried by the links 33 and a hollow body 36, carried by the links 35. The body 36 is formed with two liquid-filled semi-circular cavities 40, 41 which are eccentric to each other and offset on either side of the axis of the body shaft 37. The shaft 37 carries two vanes 43 located in the cavities and spaced from the cylindrical surfaces of these cavities. The offset arrangement of the cavities provides a space between the vanes and cylindrical surfaces which decreases as the valves move from an open to a closed position and thus slows the closing of the valve by restricting the flow of liquid through the space.
Patent GB-829148-A (GB)
Title: Improvements in polyolefin plastics
IPC: C08L23/02
Filed: 1957-06-28
Abstract: A composition comprises 50 to 95 parts of linear, high density, substantially crystalline polyolefin having a density of 0.90 to 0.97, from 50 to 5 parts of cyclized rubber, and optionally 5 to 100 parts of filler and/or 2 to 10 parts of natural rubber per 100 parts of polyolefin and cyclized rubber.  The polyolefin may be derived from ethylene, propylene, butene, hexene or mixtures thereof and may be produced as described in U.S.A.  Specification 2,710,854, in Specification 790,195, or by the use of Ziegler catalysts, e.g. as disclosed in Belgian Specifications 534,888 and 538,782.  A preferred cyclized rubber is made as disclosed in U.S.A.  Specification 2,230,359.  The filler may be calcium carbonate, clay, silica, silicates or floc and other optional ingredients are unspecified pigments, colouring materials, resins and rubbers.  The compositions may be cured with sulphur or peroxides, may be stretched without tearing, and may be calendered on to fabrics, or laminated with sheet metal.
Patent GB-1375535-A (GB)
IPC: C01B3/06
Filed: 1973-04-30
Abstract: 1375535 Production of hydrogen, hydrogen chloride and iron oxide EUROPEAN ATOMIC ENERGY COMMUNITY 30 April 1973 [2 May 1972] 20485/73 Heading C1A H 2  and HCl are prepared by (a) reacting H 2 O with Cl 2  to produce HCl and O 2 , (b) reacting the HCl formed with Fe 2 O 3  to produce FeCl 3  and H 2 O, (c) decomposing the FeCl 3  into FeCl 2  and Cl 2 , and (d) hydrolysing the FeCl 2  to produce Fe 3 O 4 , HCl and H 2 , (e) oxidizing the Fe 3 O 4  to Fe 2 O 3  and then recycling the Fe 2 O 3  to step (b) and recycling the Cl 2  from step (c) to step (a). The Fe 3 O 4  produced in step (d) may be oxidized into Fe 2 O 3  by part of the O 2  from step (a) and the Fe 2 O 3  recycled to step (b). Step (a) may be carried out in the vapour phase over an Al 2 O 3  and/ or MgCl 2  catalyst on a CaO or MgO support at a temp. of 800-1000‹ C. Step (b) may be carried out in the gas or aq. phase at a temp. of 80- 100‹ C. The FeCl 3  vapour phase product may be dehydrated in a stream of dry HCl at a temp. of 110-200‹ C. The FeCl 3  aq. phase product may be extracted with isopropyl ether or methyl ethyl ketone at room temp. Step (c) may be carried out by heating anhydrous FeCl 3  at a temp. of 350-450‹ C. in a stream of dry Ar. Step (d) may be carried out by passing steam over FeCl 2  at a temp. of 450-650‹ C. The Fe 3 O 4  produced may be oxidized in pure O 2  at a temp. of 3000-4000‹ C. The thermal energy required may be provided by a nuclear reactor.
Patent GB-381623-A (GB)
Title: Improvements in or relating to printing machines
IPC: B41F27/12
Filed: 1931-07-17
Abstract: 381,623. Printing-cylinders. FAWDRY, C. F., 152, Trentham Street, Southfields, London. July 17, 1931, No. 20521. [Class 100 (ii).] In a printing-cylinder of the kind in which a thin metal design plate is stretched round a drum divided longitudinally into a number of sections, the design plate is tensioned by relative movement between a section of the drum within the plate and another part to which both ends of the plate are anchored. As shown, the drum comprises two sections 11, 13, Fig. 2. The section 13 is formed with a radial face 65, groove 23, and vertical and horizontal faces 17, 21, and the section 11 is correspondingly shaped with faces 63, 47, 43 which bear against the faces 65, 17, 21 when the cylinder is assembled, and with a projection 51 to engage the groove 23. The design plate 7 is wrapped round the drum and its ends are anchored by rods 61 to hooked members 33, 37 fixed to the section 13. The plate is then tensioned by moving the section 11 into engagement with the section 13. This movement is facilitated by a hinge member comprising plates 91, 93 detachably connected to the ends of the sections and connected together by a pivot 99. A link 103 connects the plate 91 to the usual adjustable bearing of the impression cylinder and by operating this bearing the section 11 may be moved to or from the section 13. The sections are held together in closed position by a conical ring 85, Fig. 3, engaging a conical boss 71 formed by projections on the ends of the sections. The ring 85 is moved positively in either direction by a nut 75 threaded on to the shaft 5 of the drum. Specifications 4018/15 and 326,472, [both in Class 100 (ii), Printing processes &c.], are referred to.
Patent GB-1466190-A (GB)
Title: Heat-sealable composition
IPC: C08L23/16
Filed: 1974-05-09
Abstract: 1466190 Heat-sealable compositions E I DU PONT DE NEMOURS & CO 9 May 1974 20573/74 Heading C3P Heat-sealable compositions comprise (1) 40 to 80 weight per cent of a crystalline copolymer of ethylene with 5 to 15 weight per cent of acrylic and/or methacrylic acid, said acid being free from neutralizing metal ions, (2) 20 to 45 weight per cent of an amorphous elastomeric copolymer of ethylene, 20 to 60 weight per cent of propylene and up to 10 weight per cent of a non-conjugated diene, (3) up to 20 weight per cent of filler and (4) up to 20 weight per cent of crystalline polyethylene. The filler may be carbon black, and the compositions may also contain antiblocking agents (silica) and slip agents (stearamide). The compositions may be made into films for lining ponds and ditches, which films may be heat-sealed in situ. Examples describe compositions comprising copolymers of ethylene with acrylic or methacrylic acid; copolymers of ethylene and propylene with 1,4- hexadiene or ethylidene norbornene; and polyethylene and/or carbon black.
Patent GB-205835-A (GB)
Abstract: 205,835. Maschmeyer, H. Oct. 23, 1922, [Convention date]. Tilling-furnaces more particularly adapted for smelting metals are made in the form of a relatively long truncated cone arranged with its. axis horizontal, and having at its wider end an inlet for heating-gases and a tap-hole for the discharge of molten material. Tuyere openings F may be provided in the wall, and when the furnace is used for the treatment of materials containing volatile metals, e.g. brass, these openings may be so arranged that part only are submerged in the bath.
Patent GB-961122-A (GB)
Title: Improvements relating to motor vehicles
IPC: B62D25/06
Filed: 1963-05-23
Abstract: 961,122. Vehicle protection guards. DAIMLER-BENZ A.G. May 23, 1963 [May 29, 1962], No. 20685/63. Heading B7B. A vehicle having a roof support 3 has a guard 4 releasably or permanently secured to it and to the chassis at 12. If the roof support is centrally positioned the guard can extend fore-andaft of the support and further members may also be connected between the support and the car body.
Patent GB-1105597-A (GB)
Title: Preparation of propylene glycol monoesters
IPC: C11C3/00
Filed: 1966-05-10
Abstract: Propylene glycol monoesters are prepared by reacting propylene oxide with a C10-C22 monocarboxylic fatty acid in the presence as a catalyst of potassium hydroxide, potassium salts of weak organic acids or potassium alcoholates or mixtures thereof in an amount to furnish at least 1.0% of potassium hydroxide equivalent based on the fatty acid, at from 150 DEG  to 160 DEG  C. until the acid number has decreased below 10.  The propylene oxide unreacted is vented and the catalyst neutralized before the acid number has decreased below about 1 with an acid which forms an insoluble potassium salt which is then separated.  Many fatty acids are listed and examples describe the use of stearic acid, mixed arachidic and behenic acids, mixed oleic, linoleic, myristic, and palmitic acids, palmitic acid, myristic acid, lauric acid, and mixed stearic and palmitic acids.