baber/WOPTO huggingface dataset:
Patent GB-1004587-A (GB)
Title: Improvements in or relating to furnaces
Inventor: WOOD ANTHONY ARTHUR ROBINSON
IPC: B01J16/00
Filed: 1961-05-15
Abstract: 1,004,587. Muffle furnaces. UNITED STATES BORAX AND CHEMICAL CORPORATION. May 14, 1962 [May 15, 1961], No. 17688/61. Heading F4B. [Also in Division H5] A T-shaped muffle furnace for the production of titanium diboride by the reaction of titanium dioxide, boric oxide and carbon above 1550 C. comprises an outer graphite tube 1, a " splittube " graphite resistance heating element 7 and an inner graphite reaction tube 6 in each arm of the T, and a water-jacketed cooling chamber 3 with a gas-tight door 5 below a discharge conduit 2 forming the leg of the T. A tubular casing 17 surrounds the furnace, the space between it and the outer tube 1 being packed with carbon black. Each half 10 of the element has an aluminium contact block 11 disposed between a water-cooled ring 12 supporting one end of the tube 1 and watercooled plates 13 and 14, insulating washers 15 and 18 being provided, the former having a rubber 0-ring 16. The element 7, Fig. 2, has a longitudinal slot 9 in each half inducing a substantially uniform heating effect. An offtake for gases is provided in the tube 1 above the discharge conduit 2. Although graphite studs 20 space each element 7 from the reaction tube 6 no substantial length of the latter will carry heating current. Specifications 1,004,585 and 1,004,586 are referred to.
Patent GB-145282-A (GB)
Title: Improvements in or connected with the spindles of ring spinning or twisting machines
IPC: D01H7/08
Filed: 1919-07-16
Abstract: 145,282. Baxter, O., and Austin, A. July 16, 1919. Spindle apparatus.-To enable the yarn to be wound on to paper tubes in ring spinning or twisting machines, a detachable block e mounted on the spindle is provided with a recess f<1> to house the lower end of the tube and is rotatably connected with the whorl by slots g, which may be cut sufficiently deep so that the driving- lugs on the whorl project into the recess f<1> and engage slots in the tube, or the block may be provided with pins for this purpose. The block is cf hexagonal or other annular shape to assist in the starting of the traveller, or it may be circular. The tube may be of such internal diameter as to become rotatively engaged with the spindle when forced in position in the block, and the recess f<1> may be tapered to increase the grip on the tube. In the Provisional Specification it is stated that the blocks may be applied as a permanent part of the paper tubes.
Patent GB-291629-A (GB)
Title: Improvements in the construction of door-frames or jambs
IPC: E06B1/24
Filed: 1927-07-05
Abstract: 291,629. Gibson, W. J. July 5, 1927. Door jambs. - Jambs 2 are made of precast reinforced concrete faced with cement or terrazzo having embedded therein anchoring pieces 4 for the hinges 5, expanded metal &c. 7 extending into the masonry, and if desired a socket for the bolt &c. One at least of the metallic reinforcing rods 8 extends into an aperture in each base-block 1 and into the concrete lintel 10. The jambs may be cast in glass-faced moulds to secure a polished surface.
Patent GB-257709-A (GB)
Title: Improvements relating to the arrangement and construction of the windings of electric transformers
IPC: H01F27/28
Filed: 1925-07-13
Abstract: 257,709. English Electric Co., Ltd., and Charley, R. M. July 13, 1925. Transformers.-Each section of a sandwich type winding for a transformer is formed of a number of conductors 6 arranged in parallel to form a flat layer equal in depth to the radial width of the section - and bent to form a cylindrical or straight sided coil, the conductors being crossed over at the centre 5 of the section so that the conductors forming the inner half of the section at one end are transferred to the outer half, and vice versa. Some or all of the conductors may be insulated to avoid eddy current circulation between conductors of a layer, and the layers are separated by insulating distance pieces 3 to permit circulation of cooling oil between layers.
Patent GB-698252-A (GB)
Title: Improvements in or relating to the indexing of bound packs or piles of sheets
IPC: B42F21/00
Filed: 1950-07-18
Abstract: 698,252. Books; indexing. BEMROSE & SONS, Ltd., and LOWIS, S. July 18, 1951. [July 18, 1950] No. 17953/50. Class 16. [Also in Group VIII] A method of forming indexed bound sheets, such as a section for addresses for a diary, comprises the formation of L-shaped cuts at predetermined positions in a relatively large sheet of paper, folding such sheet so that the cuts lie superposed adjacent one edge, securing together by sewing or other known means the opposite edge and cutting the unsecured edges on lines intersecting the arms of the L-shaped cuts so as to fill the unwanted portions of the sheet to leave a stepped cut index. As shown, two sections are cut in a press on single forme having L-shaped steel cutting rules to give cuts 2-6 on the pre-printed sheet shown in Fig. 3, the sheet then being folded three times from top to bottom to give the sections shown in Fig. 5. The folds are secured by sewing at 7 and guillotine cuts then made at 8, 9 to intersect respectively the short and long arms of the L cuts 2-6 so that by shaking or flexing the two sections, the unwanted cut portions are removed to show the stepped index.
Patent GB-958645-A (GB)
Title: Improvements in and relating to means for discharging the exhaust from air heaters
IPC: F24H9/00
Filed: 1963-05-07
Abstract: 958,645. Induced draught systems. WEBASTO-WERK G.m.b.H. May 7, 1963 [July 6, 1962], No. 17965/63. Headings F4B and F4W. The exhaust flue outlet 9 and the combustion air inlet 6 of an air heater having a combustion air fan 2 open into a protective space 12 through which air is fed by a fan 13. The air inlet to the heater is upstream of the flue outlet with respect to the air flow through the space 12. A draught interrupter 10 in the flue outlet is also connected to the protective space 12 by a pipe 11. Baffles 17, 18, 19 separates the openings of pipes 6, 9 and 11, and the flow of air through the space 12 passes over the tops of the baffles. A drain outlet 16 is arranged at the bottom of the chamber 12, the inlet and outlet to which have caps 23, 24.
Patent GB-635150-A (GB)
Title: Separation of isobutylene from hydrocarbon mixtures
IPC: C07C7/171
Filed: 1947-07-08
Abstract: <PICT:0635150/IV (b)/1> Isobutylene is separated from acid liquors, made by contacting a hydrocarbon mixture comprising predominantly C4 olefins and paraffins with 55-75 per cent sulphuric acid or by dissolving tertiary butyl alcohol in 65-75 per cent sulphuric acid, by adjusting the acid concentration of said liquors to 45-50 per cent, maintaining them at a temperature at which isobutylene is evolved, and recovering it from the vapours.  The diluted acid extract is heated in still 1 mounting a packed tower 4, water vapour and olefin passing over by line 13 to condenser 14 and separator 15 where water and a small amount of alcohol separate and pass to mixer 11 where concentrated acid extract is added before return to tower 4. Olefin is distilled with reflux in a tower 17, pure isobutylene being taken off through valve 20. Samples are drawn off by line 7 from collector plate 5 and the still regulated to maintain the acid concentration here at 45-50 per cent.  The acid is concentrated to its original figure in the still and withdrawn through line 2 to the absorption stage. Pressure is about or slightly above or below atmospheric.  Part of the olefin may be condensed and refluxed to the tower.
Patent GB-1428545-A (GB)
Title: Apparatus for thin-layer or paper chromatography
IPC: G01N30/90
Filed: 1973-04-13
Abstract: 1428545 T.L.C.development tank Y TAKESHITA 13 April 1973 [19 Oct 1972] 18020/73 Heading B1H Apparatus for thin-layer or paper chromatography comprises a solvent container 1, an air-tight cover 3 for said container, said container and cover defining a developing chamber in which a quantity of liquid solvent 20 is disposed, the atmosphere in said chamber above said liquid solvent being saturated with vapour of said solvent, support means mounted on said cover and extending into said chamber, said support means suspending at least one developing plate 18 within said solvent chamber, and threaded actuating means operatively connected to said support means and actuable externally of said solvent chamber for raising and lowering said support means within said chamber, whereby said developing plate can be subjected to the vapour-saturated atmosphere within said chamber above the quantity of liquid solvent before being lowered into said liquid solvent. As shown, a stem depending within sleeve 5 from knob 8 is threaded into a blind bore in the end of member 6 so that turning the knob raises or lowers the said member.
Patent GB-430383-A (GB)
Title: Improvements in or relating to wooden air screws or propellers having protective coatings
IPC: B64C11/20
Filed: 1934-06-18
Abstract: A coating-composition for wooden air screws or propellers, comprises in admixture, drying and non-drying oils, phenol-formaldehyde resin, and nitro- or acetyl-cellulose dissolved in an acetic acid ester with or without colouring matter.  Suitable acetic acid esters are methyl glycol acetate, ethyl acetate and butyl acetate.  The drying and non-drying oils are preferably in the ratio of 8 : 7, and the resin and the cellulose derivative in the ratio of 14 : 30.  A suitable composition is varnish 8 parts, castor oil 7 parts, acetic acid ester 31 parts, nitro- or acetyl cellulose 30 parts, phenol-formaldehyde resin 14 parts, colouring matter 10 parts.
Patent GB-672510-A (GB)
Title: Improvements in or relating to the purification of aureomycin
Filed: 1950-07-20
Abstract: Aureomycin in the form of an acid salt is isolated from an aqueous aureomycin solution, having a pH of less than 4 and containing at least 0.3 mg. of aureomycin per ml., by adding to such a solution a water-soluble inorganic salt and a mono- or poly-hydric alcohol or an ester or ether thereof as solvent for the aureomycin the amount of salt being preferably substantially sufficient to saturate said aqueous solution and the amount of organic solvent being preferably insufficient to appreciably dissolve or extract the aureomycin, and separating the resulting acid salt of aureomycin.  It is preferred that the aureomycin concentration be 0.3 to 30 mg. per ml., the pH between 1 and 4 and the organic solvent butanol in the proportions of not more than 10 per cent, and preferably 5 per cent, by volume.  The aureomycin solution may be prepared from the fermentation mash of Streptomyces aureofaciens or other aureomycin producing organism by: (a) acidifying the mash with mineral acid to a pH below 4, adding a filtration aid, e.g. fuller's earth, filtering and evaporating the filtrate in vacuo below 50 DEG  C. and preferably between 20 DEG  and 40 DEG  C.; (b) treating the mash with calcium, strontium, barium or magnesium ions at a pH 6 to 11, and preferably 7 to 9, adding fuller's earth and filtering, the cake so formed being extracted with mineral acid and the extract concentrated as in (a); and (c) extracting the mash with a water-miscible organic solvent containing mineral acid, e.g. ketones, such as acetone and aliphatic alcohols such as ethanol, removing the solvent from the extract and concentrating the extract as in (a).  The organic solvents for the aureomycin which are used in the formation of the acid salts may be anhydrous ethanol, methanol, isopropanol, b -ethoxyethanol, n-butanol, sec.-butanol, amyl alcohol, hexyl alcohol, capryl alcohol, octyl alcohol and decanol, of which the substantially water-insoluble solvents are preferred.  The inorganic salts may be sodium chloride, ammonium chloride, lithium chloride, potassium chloride, calcium chloride, sodium sulphate, ammonium sulphate, lithium sulphate, disodium hydrogen phosphate and potassium dihydrogen phosphate, of which the chlorides are preferred.
Patent GB-596035-A (GB)
Title: Improvements in or relating to means for hydraulically controlled variable pitch propellers, particularly those for the propulsion of ships
IPC: B63H3/06
Filed: 1945-07-16
Abstract: 596,035. Propellers. ESCHER WYSS MASCHINENFABRIKEN AKT.-GES. July 16, 1945, No. 18133. Convention date, Aug. 5, 1944. [Class 114] Hydraulic control for variable pitch propellers comprises a servomotor 6, 6<1>, 62, 6<8> having a stationary piston 6<1>, 62 in which is situated a pump 12, 13 driven by an electromotor and a moving casing 6, all positioned inside the propeller shaft 4. Means 25, 28 and 29 can release the wheel 21, which may also be rotated by hand, to vary the pitch of the blades. The wheel 21 may be prevented from. rotating as long as the pump does not deliver by a locking device 24, 25.
Patent GB-111367-A (GB)
Title: An Improved Manufacture of Poppet of Mushroom Valves.
Inventor: DOUGLAS WILLIAM
IPC: B22D19/00
Filed: 1916-12-18
Abstract: 111,367. Douglas, W., (trading as Douglas Bros.). Dec. 18, 1916. Materials, special.-Poppet or mushroom valves of the type having a wrought-iron or steel shank and a cast disk or head are produced with the head integrally welded or fused to the stem. In this process, the ends of the shanks H are inserted into moulds F and the molten metal is run through the moulds by means of the filler B and risers C until the ends of the shanks have come to a welding heat.
Patent GB-241988-A (GB)
Title: A rain water distributor
IPC: E03B3/02
Filed: 1924-07-30
Abstract: 241,988. Ranger, J., (Representative of Ranger, W. H). July 30, 1924. Water supply, obtaining.-A substantially S- shaped pipe A is connected to a fall pipe and has a valved outlet J, whereby rain water may be delivered to a tank K, and a further outlet D leading to a drain.
Patent GB-1215732-A (GB)
Title: Integrated oscillator
Inventor: MUELLER DIETER HEINZ MILLNER F
IPC: H03K4/83
Filed: 1968-04-17
Abstract: 1,215,732. Semi-conductor devices. HALBLEITERWERK FRANKFURT (ODER), VEB. 17 April, 1968, No. 18238/68. Heading H1K. An integrated oscillator based on a relaxation circuit comprises a semi-conductor body having a capacitative junction in series with the emitter junction of a transistor, the distance between the capacitative and the emitter junctions being greater than a minority carrier diffusion length. As shown, Fig. 2, a capacitative junction 6 is arranged in series with a PNP transistor having an emitter junction 7 and a collector junction 8. Ohmic contacts 9, 10, 11, 12 are applied to the end region of the capacitor and to the collector, base and emitter regions of the transistor respectively. A supply voltage is connected across contacts 9 and 10 and contacts 11 and 12 are biased by voltages which may be used to control the frequency and mark space ratio of the oscillator. The base region of the transistor is thicker than that of an alloyed-type transistor to increase the switch-on voltage. In operation when the transistor is switched on the capacitative junction charges up and the voltage across the transistor drops until it switches off. The capacitative junction then discharges through its own reverse leakage resistance and the voltage across the transistor rises until it switches on again, and the cycle is repeated. The emitter region of the transistor may contain an area 13 of high recombination speed and an area 14 of high conductivity. In a modification, Fig. 3 (not shown), the emitter and capacitative junctions (16, 17) are formed as parts of a single PN junction. The junctions may be metal-semi-conductor barriers instead of PN junctions.
Patent GB-1139667-A (GB)
Title: Dynamoelectric machines using ceramic permanent magnets
IPC: H02K1/27
Filed: 1967-04-20
Abstract: 1,139,667. Dynamo-electric machine rotors. WESTINGHOUSE ELECTRIC CORP. 20 April, 1967 [16 June, 1966], No.-18289/67. Heading H2A. A dynamo-electric machine has a stator 14 and a rotor which includes a plurality of salient e.g. laminated polepieces 12 having disposed in each recess formed in each of its substantially radially extending side faces at least one field producing ceramic permanent magnet 16 whose magnetic flux lines 25 extend perpendicularly to the side face and which are held in the recesses by blocks 18 disposed between adjacent magnets. Such magnets may be curved or of rectilinear shape, of strontium, lead, or barium ferrite, and another such magnet 20 may be provided adjacent each polepiece base. Either, as shown, the polepiece shanks or, alternatively the magnets 16, are tapered.
Patent GB-240111-A (GB)
Title: Improvements in headlights for motor vehicles
IPC: B60Q1/124
Filed: 1925-07-17
Abstract: 240,111. Etten, W. V. van. July 17, 1925. Vehicle lamps, directing; vehicle lamps, attaching to brackets.- In means for directing motor vehicle headlights with the steering-gear, each headlight 16 is mounted adjust ably by means of a clamp 17 on a vertical standard 15 formed with an integral base portion 11, adapted to be secured detachably on a steering-knuckle arm 7. The base portion 10 is provided, on the underside, with a groove 12 to receive the arm 7 and with slots 13 for receiving the ends of a U-shaped clamping bolt 14. To prevent turning or tilting of the standard, the base portion 10 is provided with an integral arm 20 having a hooked end, which embraces the stubaxle 5 between the hub of the wheel 6 and the knuckle 3.
Patent GB-983905-A (GB)
Title: Heat-sensitive control system for the visual indicator indicating battery charging on motor vehicles
IPC: H02J7/14
Filed: 1963-05-09
Abstract: 983,905. Vehicle supply systems; thermal switches. M. TURATTI. May 9, 1963 [May 18, 1962], No. 18425/63. Headings H2B and H2H. Vehicle supply systems.-In a motor vehicle supply system of the type comprising a threephase star-connected A.C. generator with fullwave rectification, the departure of the supply current from a predetermined range due to a fault in the generator or its rectifier diodes is indicated by means of a relay having a hot wire 12 which forms part of a circuit connected between the star point and either earth or the positive terminal of the battery, and which controls the position of a metal member 6 carrying contacts 3, 5 co-operating with fixed contracts 2, 4 connected through a terminal 19 to one end of a circuit including an indicating lamp, the other end being connected to a terminal of the battery. In Fig. 1, terminals 9, 19, 20 are connected respectively to earth, to the positive battery terminal (through the lamp) and to the star point, and the arrangement operates as follows:- (1) If the generator current is zero or insufficient the wire 12 holds contacts 2, 3 closed to energize the indicator lamp. (2) If the generator current exceeds an upper limit the wire 12 allows a spring 10 acting on member 6 to close the contacts 4, 5, again energizing the lamp. (3) If the generator operates correctly, the member 6 takes up a position such that neither contact pair is closed and the lamp is extinguished. Thermal switches.-A hot wire switch comprises a wire 12 fixed at one end to a glass ball 13 and at the other end 14 to a notch 28 in a metal lever 6, pivoted by a spring 27 to a metal support 21 and carrying contacts 3, 5 co-operating with fixed contacts 2, 4 also secured to support 21 through insulating plugs 25. Normally contacts 2, 3 are held closed by the tension in the wire 12, extension of which under the force of a spring 10 bearing on member 6 causes firstly contacts 2, 3 to open and then contacts 4, 5 to close, the " normal " operated position of member 6 being with both contact pairs open. The wire 12 is provided with a series-connected ballast resistor 17 and smoothing choke 18. The glass guide 15 for the wire 12 may be omitted, in which case it is stretched directly between the members 13, 14, Figs. 4 and 5 (not shown).
Patent GB-184855-A (GB)
Abstract: 184,855. Dawson, Sir A. T., and Buckham, Sir G. T. May 17, 1921. Sight.s, anti-aircraft. Consists in means for correcting the vertical deflection for errors which occur when lateral deflection is given in the plane of sight instead of in azimuth, such correction depending on the amount of lateral deflection and on the angle of sight. Fig. 4 shows the lateral deflection dial C and the vertical deflection dial D mounted on the fixed carriage, and Fig. 6 shows a section on the line 6-6 of Fig. 4. The correction is imposed on the vertical deflection pinion H<2> by a toothed member H, H' operated by a crank-arm F<2>, the throw of which is adjusted by a link F and cam C<x> to suit the lateral deflection, and the angular movement of which is varied to suit the angle of sight by an arm F<3> engaging a cam-disc G. This disc is rotated through a sector G<1> by movements of the counterbalanced sight-elevating arm A<2> about the pin a<2>. The movements of the pinion H<2> may be conveyed directly to the vertical deflection dial D but, in the form shown in Fig. 8, the correction is combined by a differential gear H<3> with the vertical deflection set up by hand-wheel D<1> and worm-gear d', d and passed on by shaft h<3> to be combined with the tangent elevation set up on a dial E by worm-gear e through a differential gear H<4>. Specifications 129,384, 138,376, 181,928, and 184,858 are referred to.
Patent GB-878982-A (GB)
Title: Improvements relating to the storage of transparencies such as glass slides and plates
IPC: G03B21/64
Filed: 1957-06-12
Abstract: 878,982. Storing photographic transparencies and microscope slides. ROGERS, J. E. June 13, 1958 [June 12, 1957], No. 18551/57. Classes. 97(1) and 98(2) [Also in Group XV] Upwardly open transparent pockets are provided on one side of a sheet of transparent or translucent flexible material and the upper margin of the sheet is arranged to be supported so that the sheet can hang, for example, in a drawer of a suspension filing cabinet. As shown, each of eight strips 2 of transparent plastic is seam welded to the sheet 1 of colourless translucent polyvinyl chloride to form three pockets for the storage photographic or radiographic transparencies or slides or microscope slides. Rigid metal or plastic strips passing through seam welded hems 8 have notches in their ends to fit the bars or frames of the drawers of filing cabinets. Several loops may be used instead of hem 8.
Patent GB-354478-A (GB)
Title: An improved process for obtaining refined lubricating oils from heavy hydrocarbon oils by treatment with hydrogen at high temperatures and pressures
IPC: C10G71/00
Filed: 1930-06-18
Abstract: <PICT:0354478/III/1> Lubricating oils are obtained from crude heavy oils by heating the latter to 700-850 DEG  F. under a pressure of 200 atmospheres or more in the presence of gases rich in hydrogen and preferably of catalysts, so that the oil is hydrogenated and only light oils are vaporized, adding fresh oil and gases rich in hydrogen, separating gases and vapours from the liquid reaction material under full pressure, reducing pressure on the separated liquid portion so as to permit vaporization, and condensing the vapours evolved.  The crude oil is circulated by a pump 6 and pipe 5 through a heated pipe coil 1 and reaction drum 4 while being treated with hydrogen supplied by a pump 9 through pipes 10, 12.  The vapours evolved are withdrawn separately through a condenser 13 to a drum 14 where the gases and condensate are separated under pressure.  The liquid is withdrawn by lines 19, 19a, pressure being reduced by a valve 20, and is allowed to vaporize in a column 21.  The vapours evolved are fractionally condensed in columns 22, 23 and a condenser 28, and residual gases are separated in a drum 29 the fractions thus obtained constituting the lubricating oils.  The temperatures of the columns 21, 22, 23 are controlled by passing the crude oil through coils 34, 35, 36 on its way to the coil 1 and by admitting steam through pipes 38, 39, 40.  The production of light oil boiling below 400 DEG  F. is restricted to 20 per cent and preferably to less than 10 per cent of the volume of crude feed.  The pressure of the liquid oil withdrawn to the column 21 may be reduced below atmospheric so that all the lubricating oils are vaporized leaving a residue of heavy oil containing the catalyst which is recirculated through a pipe, 27.  Specification 340,811 is referred to.