baber/WOPTO huggingface dataset:
Patent GB-870462-A (GB)
Title: Improvements in or relating to the production of acetonitrile
Inventor: MORIKAWA KIYOSHI
Filed: 1958-03-06
Abstract: Acetonitrile is prepared by reacting acetylene and ammonia at 500-650 DEG C. under atmospheric or super-atmospheric pressure in the presence of a catalyst comprising alumina and at least one alkali metal hydroxide, or at least one inorganic salt of an alkali or alkaline earth metal, or at least one organic salt which gives an alkali metal carbonate or thermal decomposition; the ammonia being present in excess of the stoichiometric quantity, and the steam partial pressure in the gases being maintained at 2-50 mm. Hg.  The starting gases may also contain hydrogen and carbon monoxide. Suitable salts are NaCl, KCl, LiCl, CaCl2, BaCl2 and alkali metal carbonates.  The process may be carried out in fixed or fluidised beds.ALSO:Catalysts suitable for the reaction of acetylene and ammonia to produce acetonitrile (see Group IV(b)) comprise alumina and at least one alkali-metal hydroxide, or at least one inorganic salt of an alkali or alkaline-earth metal, or at least one organic salt which gives an alkali-metal carbonate on thermal decomposition; preferred salts are the chlorides and alkali-metal carbonates. The catalysts may be prepared by adding the hydroxide(s) or salt(s) as an aqueous solution to aluminium hydroxide gel or alumina hydrate, drying the resulting pasty mixture, and roasting at 500-700 DEG C.; or by roasting the alumina and then adding the aqueous solution to the roasted alumina.  Carbonaceous matter deposited on the catalyst during use may be removed by heating with an oxygen-containing gas at 500-650 DEG C.  The catalyst may be used in fixed-bed or fluidised-bed operation; in the latter case, suitable apparatus comprises a synthesis tower and a smaller regeneration tower, the catalyst circulating continuously.  The larger bed may have at the inlet a packed bed comprising a plurality of layers of small inert solid grains (e.g. of silica) with a grid having spaces of a few centimetres embedded in the uppermost layer; the grain size decreases from the bottom layer to the top layer.  The uppermost layer may be covered by a fine mesh wire net.  The fluidised bed may also contain one or more horizontal wire nets or porous plates.
Patent GB-1455231-A (GB)
Title: Process for obtaining cholesterol
IPC: C12P33/00
Filed: 1975-02-21
Abstract: 1455231 Cholesterol from fat residues HENKEL & CIE GmbH 21 Feb 1975 [23 Feb 1974] 7272/75 Heading C2U Cholesterol and its esters are obtained from emulsified residues of fat processing (e.g. fatty acid distillation residues) by the action of Nocardia paraffinica, N. salmonicolor, N. opaca. Candida lipolytica, or Corynebacterium petrophilum, in an aqueous culture medium at 25- 55‹ C. and pH 4-8, and extracting the sterols from the culture solution with a solvent. The extract may be worked up by solvent removal and recrystallization or chromatography.
Patent GB-173450-A (GB)
Title: Improvements in electric blasting fuses
IPC: F42B3/16
Filed: 1921-03-07
Abstract: 173,450. Oliver, A. L. March 7, 1921. Blasting-fuzes.-A fuze 1 adapted to be ignited by a charge 7 fired electrically, as by a wire 17, is provided with a self-contained flame-filtering material 11 such as asbestos in a shell 5 attached to the fuze and enclosing the igniter 7. The products of combustion escape through a vent 13 in a sulphur plug 11<1>, normally closed by grease or wax which is expelled by a wad 14 when this is subjected to pressure from the combustion products. The fuze 1 may be attached at its other end to a detonator 19 and the joints between the fuze and the shell 5 and detonator 19 respectively may be covered by a waterproof compound or copper sleeve 20, which may be extended to cover lateral vents in the shell 5 in place of the vent 13, the sleeve 20 being broken through at three vents by internal pressure when the fuze is ignited.
Patent GB-1035732-A (GB)
Title: Improvements in or relating to tables, trolleys or the like
Inventor: HAWKINS LAWRENCE GEORGE
IPC: A47B31/02
Filed: 1964-02-21
Abstract: 1,035,732. Food trollies. L. G. HAWKINS & CO. Ltd. Feb. 18, 1965 [Feb. 21, 1964], No. 7302/64. Heading B7B. A food trolley having compartments 1, 2 heated by elements 3, 4 has a recessed top panel 5 to accommodate containers 6 also kept warm from the upper compartment. The top may be closed by sliding lids 14, each of which has two longitudinal channel section slides secured by screws 19 to the lid and extending into the box section members 9 in overlapping and telescopic sliding relationship.
Patent GB-217962-A (GB)
Title: Improvements in flower supports for bowls and pots
IPC: A47G7/07
Filed: 1923-12-14
Abstract: 217,962. Reynolds, C. J. Dec. 14, 1923. Flower holders or supports.-A support for flowers grown in bowls or pots comprises a heavy base or stand 3 placed in the bottom of the pot, having a number of bosses 4 into each of which a wire 1, adapted to hold or support a flower or stem, is screwed or pushed.
Patent GB-609242-A (GB)
Title: Improvements in or relating to chairs
IPC: A47C7/44
Filed: 1946-03-08
Abstract: 609,242. Office chairs. DAVIS, A. M., and DAVIS, R. Y. C., [Representatives of DAVIS, H. G.] March 8, 1946, No. 7334. [Class 52(ii)] The back-rest 15 of an office chair is mounted at the upper end of an arm 5 pivoted to the chair frame 2 at 4 and forked at 5a to engage an abutment 7 on a nut 6 threaded on a horizontal spindle 8 rotatable in the chair frame, a helical spring 13 being interposed between the end of the arm and the chair frame to force the arm against the abutment. The spindle is turned by a knob 10 to adjust the backrest, the square nut 6 being held in the forked end of the arm. The arm 5 is telescopic for vertical adjustment. Specification 609,243 is referred to.
Patent GB-984860-A (GB)
Title: A method of transferring or forming images
IPC: B41M5/025
Filed: 1964-02-21
Abstract: 984,860. Printing processes. DOW CORNING CORPORATION. Feb. 21, 1964 [March 4, 1963], No. 7346/64. Heading B6C. A method of transferring images comprises (1) contacting an image-bearing surface with a flowable coherent mass of a siloxane which can be readily removed from said surface, allowing said siloxane to remain in contact with the image for a time sufficient that pigment forming the image is transferred to the surface of the siloxane; (2) separating the siloxane from the image surface; and (3) thereafter contacting a second surface with the siloxane surface bearing the reproductor of the image, said second surface comprising a porous material, the surface of which is wet with a liquid in which the siloxane is soluble, whereby a reproduction of the image is formed on the second surface. The preferred siloxane is that commonly known as " bouncing putty." Specific examples of suitable wetting liquids are carboxylic acids such as oleic and 2-ethylhexanoic aliphatic hydrocarbons such as petroleum ether, alcohols such as 2-ethylhexanol, esters such as carboxylic esters, ethers such as the mono-methylether of tripolylene glycol, aromatic hydrocarbons such as xylene, chlorinated hydrocarbons such as perchloroethylene, amines such as tri-n-butylamine, amides such as lauric diethanol amide, ketones such as acetone and siloxanes such as low molecular weight hydroxylated dimethylpolysiloxanes.
Patent GB-305848-A (GB)
Title: Apparatus for heating and purifying feed water
Filed: 1928-03-09
Abstract: 305,848. Bruchhaus, E. March 9, 1928. Purifying liquids.-In purifying feedwater, the water is preheated by means of steam and vapour from a second heater, treated with reagents, then heated again up to steam temperature in the second heater by means of fresh steam, and finally filtered. Water passes from a divider c to a heater d and a lime saturator u, and thence to a treatment vessel h. From the vessel h it passes through a second heater f and filter o to a feedwater tank q. Steam is supplied through a pipe k to the heater f in quantity sufficient to heat the water to the steam temperature and provide a surplus which passes with the removed gases through a pipe m to the heater d. In modified apparatus water containing sludge is passed from the boiler to a vessel in which the pressure is reduced and from which steam passes to the heater f and water to the heater d.
Patent GB-607921-A (GB)
Title: Airtight inductor and transformer
IPC: H01F17/04
Filed: 1946-03-09
Abstract: 607,921. Inductances and transformers. HOLZER, R. C. DE. March 9, 1946, No. 7401. [Class 38 (ii)] An inductor comprises a coil having a magnetic core, enclosed in a casing formed of two sections of insulating material hermetically sealed together by cementing, welding or spinning a metal ring round the adjacent edges. A coil 3 or an insulating bush 2 surrounding an iron dust core 1 is hermetically sealed within a casing formed by two insulating parts 4, 5 held together at the edges by the spun metal ring 8, by cement, or by welding. The parts 4, 5 may be of thermoplastic material such as polystyrene, polythene or glass, or of thermosetting plastic material and may be pressed or moulded. Terminal wires 9, 10 with their inner ends moulded in a block of insulating material and connected to the winding as at 12, pass through suitably packed grooves in the end flanges. Rings of magnetic material may be placed at the sides of the coil. In the modification of Fig. 3, the casing comprises a flat disc 15 and a moulded part 16 containing the eccentrically arranged coil, and the spun ring 17 has an extension 18 containing an insulating disc 19 with an eccentric magnetic insertion 20. Rotation of disc 19 varies the value of the inductance. Two or more inductances may be supported by their wire terminals 9, 10 to form a transformer with coupling varied by rotating the inductances on the wires or by bending the wires.
Patent GB-1106475-A (GB)
Title: Improvements in or relating to ionisation vacuum gauges
IPC: G01L21/32
Filed: 1965-03-23
Abstract: 1,106,475. lonization manometers. VARIAN ASSOCIATES. 23 March, 1965 [24 March, 1964], No. 7431/67. Divided out of 1,106,474. Heading H1D. The subject-matter is identical to that of Specification 1,106,474 but the claims are directed to the ion-diverting means located adjacent to the electron emitter.
Patent GB-620838-A (GB)
Title: Improvements in or relating to electric immersion water heaters
IPC: H05B3/82
Filed: 1947-06-20
Abstract: 620,838. Electric immersion heaters. FITZSIMMONS, W. K. June 20, 1947, No. 7452/46. [Class 39(iii)] In an electric immersion heater wherein the heater is coaxially located in an outer vertical cylinder B so that a relatively narrow water - containing space is formed between the heater and casing, the casing B having an inlet 6 at the bottom and an outlet 7 at the top, and wherein the heater has a screw-threaded mounting or head 5 screwed into a tapped aperture at the top of the cylinder, the head 5 projects down to the level of the top of the outlet 7 to obviate any pocket in which steam might collect. The heater comprises an element 1, say of 2 kilowatts, bent up to embrace a U-shaped central heating element 2, say of 1 kilowatt, both depending from the head 5, which also carries a thermostat 3. In modifications, vane or like means are provided in the casing to lengthen the path of the water, or as in Fig. 4, (not shown), a single heating element may be used with an integral or separate helix or pin means. Reference has been directed by the Comptroller to Specifications 167,238 and 289,237, [both in Class 39(iii)].
Patent GB-727248-A (GB)
Title: Improvements relating to beams for textile yarns
IPC: D06B23/02
Filed: 1952-03-24
Abstract: 727,248. Rollers &c. HODGSON, F. S. March 10, 1953 [March 24, 1952], No. 7492/52. Class 42 (2). [Also in Groups IX, XIII, XXIV and XXXIV] A warp-beam is rotatable relatively to its trunnions so that the trunnions are stationary when in fixed bearings, and if bent, do not give the beam an eccentric movement. In one form the trunnion h at each end of a beam a is housed in ball-bearings f, g located in a bush k bolted to a bush m fixed to the beam. In another form, the trunnions are mounted in a plain bearing sleeve. The trunnion bearings may be located in a ruffle detachably secured to the beam.
Patent GB-322971-A (GB)
Title: Improvements in pulverizers of the impact type
IPC: B02C13/28
Filed: 1929-03-08
Abstract: 322,971. Haddan, R., (Fuel Efficiency Engineering Corporation). March 8, 1929. Impact pulverizers. - Each paddle 22 on a rotor disc 6, Fig. 2, of an impact pulverizer is mounted in an inclined slot 23 in the disc and is locked therein by a pin 24 engaging lugs 25 projecting from the base of the paddle on both sides of the disc. The slot is inclined in a forward direction relatively to a radial line and flanges 26 on the tongue 27 overlap the sides of the slot 23. The discs 6, 6<a>, Fig. 1, are mounted on a shaft 9 and revolve in chambers 5, 5<a> respectively. The material to be crushed is admitted at 4 and a shaft 9 discharges the crushed material through an outlet 21 whilst air is admitted through ports 18 controlled by an annular valve 17.
Patent GB-102580-A (GB)
Title: Improved Means for the Removal of Bottle and like Caps or Stoppers.
Inventor: SUNDERLAND FREDERICK
IPC: B67B7/44
Filed: 1916-05-30
Abstract: 102,580. Sunderland, F. May 30, 1916. Prising-tools for removing capsules, stoppers, and closures.-An appliance for removing crown corks and like caps or stoppers from bottles, jars, &c., consists of a looped or doubled handle a provided with a duplex drag or cap-engaging part b having a claw or projection c on each of its sides adapted to engage opposite sides of the crown cork, &c., so that the cork &c. can be removed either by depressing or elevating the handle a. The stirrup-like piece b is riveted to the inner sides of the handle a; and a can-opener d, corkscrew e, or other fitting may be provided on or in attachment with the handle.
Patent GB-243593-A (GB)
Title: Improvements in dust collectors
IPC: B04C5/12
Filed: 1925-03-23
Abstract: 243,593. Gill, H. A., (Ruggles-Coles Engineering Co.). March 23, 1925. Dust - collectors. -Dust &c. is separated from gases in a receiver having an outlet flue in which a conical baffle points towards the outlet, and a longitudinal plate or diaphragm in the flue prevents transverse currents, beyond the cone. Gases from a drier &c. enter a cylindrical dust receiving chamber 1 tangentially and de posit a portion of their dust in the conical lower portion 4 of the chamber, which is formed with a dust outlet 5. A cylindrical concentric gas outlet flue 7 extends through the cover of the chamber, and is provided with a longitudinal baffle 12, and with a conical baffle 8 which is adjustably suspended by hangers 9 secured in variable position by pins 10, and forms with the flue 7 a passage of progressively increasing cross-section. A triangular portion 13 is cut away from the plate 12 to receive the conical baffle in its uppermost position.
Patent GB-1279192-A (GB)
Title: Process for the production of cyclo-hexanedione-(1,2)-hemihydrate
Inventor: SUTTER WILHELM
IPC: C07C45/00
Filed: 1970-02-18
Abstract: 1279192 Process for the production of cyclohexanedione - (1,2) - hemihydrate FARBENFABRIKEN BAYER AG 18 Feb 1970 [21 Feb 1969] 7795/70 Heading C2C A process for the production of cyclohexanedione-(1,2)-hemihydrate comprises introducing water-containing cyclohexanol and nitric acid simultaneously into aqueous nitric acid containing a catalytic amount of nitrous acid with thorough mixing at a temperature of 0 to 18 C., the concentration of nitric acid being maintained at at least 30% by weight.
Patent GB-933615-A (GB)
Title: Improvements in or relating to torque transmitting clutches
IPC: F16D43/18
Filed: 1961-03-03
Abstract: 933,615. Friction clutches. SINTERED PRODUCTS Ltd., and E. R. DAWTREY. March 5, 1962 [March 3, 1961], No. 7887/61. Class 80 (2). In a friction clutch comprising one or more arcuate shoes 24, with or without friction linings, mounted on a driving or driven member 17 and expanded centrifugally with or without spring assistance or opposition into frictional engagement with a driven or driving drum 12 which may be integral with a belt pulley, the shoes 24 are formed from sintered powdered metal, e.g. cast iron, steel or bronze. The shoe support member 17 may also be of sintered metal, e.g. aluminium alloy; and the drum 12 may be also of sintered metal, e.g. iron, or it may be cast in steel or iron. These parts may be of sintered steel or soft iron. As shown, cylindrical pivots 27 on each shoe 24 are axially assembled into recesses 18 in the shoe carrying member 17 fast on a driving spindle 15. In Figs. 9 and 10 (not shown), the shoes are retracted by surrounding garter springs. In Figs. 3 to 5 and 6 to 8 (not shown), the shoes are each formed with a pivot at both ends so that the shoes may rock in either direction, according to the sense of torque, about fulcra formed by flared ends on the shoe carrying member, and a single garter spring serves to retract the shoes. In Figs. 6 to 8 (not shown), the clutching surfaces are V-shaped. In Figs. 11, 13 and 14 (not shown), the shoes are articulated to the support member by links. In Fig. 12 (not shown), the shoes are contracted by helical springs between the tail of one shoe and the nose of the adjacent shoe.
Patent GB-275162-A (GB)
Title: Improvements in or relating to tire shaping apparatus
IPC: B29D30/36
Filed: 1927-03-22
Abstract: 275,162. Morgan & Wright, (Assignees of Abbott, A. 0.). July 30, 1926, [Convention date]. Moulding wheel tyres.- Relates to vacuum shaping apparatus of the kind disclosed in Specification 220,290 and consists in the provision of extensions or skirts of substantially invariable girth on the side of the vacuum - chamber adapted to form an initial sealing-means. As shown, the vacuum chamber 10 is provided with upper and lower walls 13, 12 provided with extensions 19, 18 adapted to form an initial seal with the pulley band structure 17. The extensions may be flexible or rigid. Specification 171,182 also is referred to.
Patent GB-1100049-A (GB)
Title: Rotary furnaces
IPC: F27D27/00
Filed: 1965-02-25
Abstract: <PICT:1100049/C6-C7/1> For refining metals in a substantially continuous manner, a rotary furnace 10 lined with chamotte bricks 11 is rotated about its longitudinal axis by motor-driven rollers 14a, 15a, the axis being inclined, molten metal and slag flowing counter-currently from supply means 30, 22 respectively.  Supplies of metal slag and control of a burner 25 are regulated to produce a continuous discharge of refined metal through openings 36 in an end-plate 20, slag being discharged through an opening 27 in an opposite end-plate 26.  In a modification Fig. 4 (not shown) the furnace is frusto-conical in section and has a syphon discharge for the metal, the furnace rotating around a horizontal axis.  A slag composition of a mixture of CaO 44%; SiO2 13%; MgO 18%, CaF 15% and MnO 10% was used to reduce the sulphur content from 0.063% to 0.004%, the slag being consumed at the rate of 0.3 ton/ton of molten metal refined. Alternatively the slag composition was CaO 44%; SiO2 13%; MgO 18%; FeO 20% and MnO 5%.
Patent GB-1166440-A (GB)
Title: Improvements in and relating to Pipe Couplings
IPC: F16L55/027
Filed: 1968-02-19
Abstract: 1,166,440. Brazing. USUI KOKUSAI SANGYO K.K. 19 Feb., 1968 [18 Feb., 1967; 22 April, 1967], No. 8081/68. Heading B3R. [Also in Division F2] A pipe coupling comprises a ferrous body member 1, Fig. 1, having an internal fluid passageway 4 and at least one ferrous seating member 7 within the passage which provides a part-spherical seating surface 5 for a pipe end, the or each seating member being bonded to the adjacent passageway wall 10. The invention includes a method of making a pipe coupling in which a ferrous seating member 8 is inserted into the fluid passageway 5, applying a bonding agent between the seating member and the adjacent surface and heating the bonding agent in a non-oxidizing or reducing environment to bond the seating member to the passageway surface. The coupling and seating member may be steel or iron. The bonding agent may be of copper, copper alloy, nickel or an alloy of nickel, chromium, silicon and boron applied in strip, viscous powder or paste form and heated by furnace brazing. In further embodiments a single seating member replaces the pair of seating members and seating members of spherical or hemispherical shapes are arranged in three-way or four-way connectors. In other embodiments the seating members engage conical seats in threeway or four-way connectors.
Patent GB-1082123-A (GB)
Title: Adjustable chairs
IPC: B60N2/23
Filed: 1965-02-25
Abstract: 1,082,123. Adjustable seats. SOC. ANON. MAGLUM. Feb. 25, 1965 [March 3, 1964], No. 8196/65. Heading A4J. [Also in Division E2] The back rest 3 of a vehicle seat which is angularly adjustable about pivots 4, has an erecting spring 5 and is locked in its adjusted position by expanding the slotted end of an inner tubular element 8, so that it jams within an outer tubular element 7, by means of a conical member 10. The free ends of the elements 7 and 8 are connected to the seat and back respectively. The conical member 10 is connected to an operating member 9 by means of a rod 14, lever 18, rod 24 and arm 27 so that, when the operating member 9 is lifted, the conical members is dis-engaged from the end of the element 8 and the back-rest is free to be adjusted. The elements may alternatively be incorporated in the backrest frame 3 (Figs. 5-7, not shown).