baber/WOPTO huggingface dataset:
Patent GB-216968-A (GB)
Title: Improvements in or relating to incandescent mantles
IPC: F21H1/00
Filed: 1923-03-17
Abstract: 216,968. Terrell, T., and Monarch Mantles, Ltd. March 17, 1923. Radiators. - Heat - radiating incandescent mantles for gas, oil, or vapour stoves, which may also emit light, are made by treating an asbestos or other permanent skeleton with a liquid composition containing a caloric agent, a substance convertible by heat into a substantially non-volatile oxide of an earthy base which forms a binding-agent for the caloric agent, and a nitrated carbohydrate, for example nitro-cellulose, or other suitable volatile binding-agent. The salt of the metallic binding-agent may be dissolved in the solution of the nitrated carbohydrate; its oxide value in relation to that of the, caloric agent may be from 5 per cent to 20 per cent bv weight; and it may consist of thorium and calcium nitrates in the proportion, for example, of 4 to 1 respectively by weight, or of a mixture of several nitrates, such as thorium, calcium, and magnesium. Salts of other metals yielding suitable oxides may be used. The caloric agent in the impregnating solution may consist of red oxide of cerium or red oxid'e of iron, which enhance the appearance of the mantle when cold by giving it a red colouration In a specific example, the impregnating solution consists of 200 grammes soluble nitrocellulose, 1500 cem. ether, 1500 ccm. methylated spirit, 1000 grammes cerium oxide, 50 grammes calcium nitrate, and 200 grammes thorium nitrate. The asbestos skeleton after soaking is dried on a formerr, preferably at a temperature of from 80‹ C. to 100‹ C. Specification 28407/07 is referred to.
Patent GB-515932-A (GB)
Title: Improvements in processes for printing multicolour photographic and kinematograph images
IPC: G03B27/475
Filed: 1938-03-14
Abstract: 515,932. Colour photography. GASPAR, B. March 14, 1938, No. 7828. [Classes 98 (i) and 98 (ii)] A photographic printing apparatus comprises a light source composed of differently coloured lights, a gate for the film to be printed and a gate for the light-sensitive film, the latter gate being in the path of light transmitted by the former gate, a photoelectric cell selectively sensitive for a component colour of the composite printing light or arranged behind a filter-selectively transmitting that component, the photoelectric cell being exposed to a part only of the light transmitted by the film to be copied outside the picture area and connected to a variableopacity device arranged between the light source and the lightsensitive film. As shown, the apparatus comprises three light sources 1, 2 and 3 and three colour filters 4, 5, and 6, two semitransparent mirrors 7 and 8 and three lens systems 9, 10 and 11. The composite beam of light 12 is reflected by the mirror 14 to print the three-colour original 13 on to the light-sensitive film 15 by means of the lens system 16. A mirror 17 reflects the light passing through an aperture outside the picture area in the film gate carrying the original film 13 to a beam-splitting device 18, 19 to give three beams passed through colour filters 20, 21 and 22 to three photo-electric cells 23, 24 and 25 polarized by batteries 26, 27 and 28. The potential differences between the ends of the load resistances 29, 30 and 31 control the currents in the anode circuits of the valves 35, 36 and 37 and thereby control the electromagnetic devices 38, 39 and 40 that open or shut the diaphragms 41, 42 and 43 in the lens systems 9, 10 and 11. A second mirror may be arranged to reflect light to a separate photo-electric cell controlling a diaphragm between the two films to control the total printing light intensity. The spectral composition of a composite light beam may be altered by apparatus comprising fixed yellow, magenta and blue - green wedges co-operating respectively similar movable wedges controlled by solenoids influenced by variations in the light transmitted by the original. The wedges may be arranged between the original and the light source or between the original and the printing film. A part only of the colour selection pictures may 'be printed at one time, or different printing lights may print different and successive component images at successive gates. Portions of the original not required for the image may be exposed completely prior to development and these portions used for the scanning. Light acting on one layer only may be used. The colours may be produced by dye-destruction, colour development or dyetoning. The apparatus may be applied in connection with cinematograph or ordinary films or in the production of paper prints.
Patent GB-552151-A (GB)
Title: An adjustable indicator for displaying variable information
IPC: G09D3/06
Filed: 1941-06-23
Abstract: 552,151. Indicators. GENERAL AIRCRAFT, Ltd., and SCHOFIELD, H. M. June 23, 1941, No. 7895. [Class 118 (i)] An adjustable indicator for displaying variable information or data, comprises a hollow drum mounted for rotation about a substantially vertical axis and presenting externally a surface provided with vertical and horizontal rows of perforations intended for the reception of indicator means, and a cursor for the reception of data relevant to the indications given by said indicator means carried in close spaced relationship with the outer surface of the drum by arms swingable about the drum axis. A hollow drum 5 stiffly rotatable on a vertical spindle 8 has its sides covered with vertical and horizontal rows of holes, while a cursor 11, also stiffly rotatable on the spindle 8, has a number of name plates 16, each corresponding to a number of the horizontal rows. As shown, the invention is applied to a flying school and the name plates represent the various schools giving courses of known duration, the weights 20 on a cord 19 being inserted through the holes 17 corresponding to the beginning and end of such a course so that the availability of a school can easily be seen. The drum may be rotated step by step each day by clockwork. The device may be used for the control of maintenance schedules of aircraft, for budgetary control of costs and working hours, or for factory loading data.
Patent GB-746637-A (GB)
Title: Improvements in or relating to tubular conductors and methods and apparatus for manufacturing same
Inventor: DOUCHET FLORIMOND ARISTIDE JUL
IPC: B21C37/08
Filed: 1954-03-18
Abstract: 746,637. Cables. SOC. ALSACIENNE DE CONSTRUCTIONS MECANIQUES. March 18, 1954 [March 24, 1953], No. 7948/54. Class 36. [Also in Group XXII] The outer tubular conductor of a coaxial pair is made from thin metal tape by perforating the tape along its longitudinal axis with a series of holes, shaping the cross-section of the perforated tape into omega shape with the central apex g in the same plane as the edges h, i of the tape, stamping a set of transverse corrugations 1a, 1b, 1c, 2a, 2b, 2c in said tape extending from each of said holes to alternate edges of the tape and folding said tape up about its longitudinal axis into a tube.
Patent GB-468941-A (GB)
Title: Improvements in and relating to methods of and apparatus for perforating glass bodies
IPC: C03B23/26
Filed: 1937-03-18
Abstract: 468,941. Perforating glass. BRITISH THOMSON-HOUSTON CO., Ltd. March 18, 1937, No. 8010. Convention date, March 18, 1936. [Class 56] A method of perforating a glass body consists in heating a portion of the glass to render it plastic, and then applying suction to the heated portion to remove the softened glass and form an opening. The method is particularly suitable for forming openings in the walls of a bulb 12, Fig. 3, used for the manufacture of a vaporizing device containing an electrically heated filament. Part of the wall of the bulb is heated by a gas flame, and the softened spot on the glass is pressed inwards and shaped by a tubular punch 19. Suction is then applied to a passage 21 which runs through the punch, and part of the glass is drawn into the passage and broken. The punch is now withdrawn, and the aperture in the glass is shaped and smoothed by the insertion of a second punch. The method can be carried out by a machine comprising a turret 10, Fig. 1, which is provided with pockets 16 for the bulbs, each pocket having an aperture in the wall to allow access of gas flames and the punches. The turret rotates step-by-step and carries the bulbs past burners 17, 18, and sliding supports 25, 32 in which the punches are mounted. The bulbs are removed from the turret by air jets, from nozzles 33, 34, which lift the bulbs into a shoot 35.
Patent GB-1068175-A (GB)
Title: Improvements in or relating to a device for preventing release of clamping means
Inventor: FREWER PATRICK JACK LAWRENCE
IPC: E05B73/00
Filed: 1963-02-28
Abstract: 1,068,175. Portable locks. ARTHUR BRAY Ltd. May 27, 1964 [Feb. 28, 1963], No. 8032/ 63. Heading E2A. [Also in Division F2] A device for preventing release of one or more clamping means comprises a tube having a longitudinal slot for receiving an element of the or each clamping means, the tube being arranged to prevent release of the clamping means when the or each element is received in the slot, and a locking means arranged to co-operate with the tube to lock the or each element in the slot. In the embodiment shown the device comprises a tube 1 adapted to receive the heads of e.g. wing nuts clamping an outboard motor to the transom of a boat. The tube has an open end A, a closed end B and a longitudinal slot 3 extending from the open end to a point spaced from the closed end and of a size to receive the shanks of the wing nuts. In use the tube is slid over the heads of the wing nuts whose shanks pass through the slot 3 and the open end A is closed by a cylinder lock having a projecting arm which engages in a circumferential groove 7 in the inside wall of the tube. In a second embodiment the tube includes an aperture at its open end which receives the hasp of a padlock or a pin which is secured by a padlock. In a further embodiment the tube is closed at both ends and includes a shutter movable to alter the effective width of the slot. In one position of the shutter nuts or screw heads of the clamping means can pass into the tube, the shutter restricting the width of the slot in another position, in which it is lockable by the locking means, to prevent removal of the nuts or heads. In any embodiment a key operated locking means may be replaced by a combination lock.
Patent GB-1098876-A (GB)
Title: Improvements in centrifugal pumps, centrifugal separators and other centrifugal machines
IPC: B04B7/08
Filed: 1965-02-24
Abstract: In order to increase the resistance to abrasion of the working surface of a centrifugal separator, the working surfaces have trowelled over them a coating of epoxy resin admixed with a wear-resistant aggregate.  The admixture may be coated 3/16 to 1/4 inch thick on steel or other ferrous separator components, or 1 to 1 1/2 inches thick on separator components moulded from a rigid synthetic plastics material, e.g. acrylonitrile butadienestyrene. Worn, previously coated, surfaces may be built up by the admixture.
Patent GB-1017460-A (GB)
Title: Improvements in or relating to tape transport systems
IPC: G11B15/28
Filed: 1964-02-26
Abstract: 1,017,460. Magnetic recording &c. apparatus. AMPEX CORPORATION. Feb. 26, 1964 [March 26, 1963], No. 8046/64. Heading G5R. Feeding means for magnetic tape comprises a pair of loop means spaced apart along the path of the tape, each of the loop forming means introducing a substantially similar tension in the tape, a bi-directional drive capstan located within an intermediate tape loop and engaging the tape over a substantial angle, and drive means directly coupled to the capstan for driving it in either direction. One arrangement. Fig. 1 (not shown), is substantially the same as that described in Specification 1,017,458; the loop forming means comprise a pair of vacuum chambers which are closely coupled to produce substantially equal tensions, the close coupling being achieved by using a large vacuum source and low pneumatic impedance couplings to the vacuum ports. Low friction guides at the entrances to the vacuum chambers may comprise rollers mounted in ball bearings and provided with flanges to give lateral restraint. In a modification, Fig. 4 (not shown), frictional and inertial forces are reduced by providing a capstan of a thin shell type, by arranging the vacuum chambers parallel to each other to reduce the angles at which the tape passes between the chambers and the capstan, and by providing air bearing guides. In further alternatives, Figs. 5 and 6 (not shown) the vacuum chambers are replaced by single or multiple loops over spring-biased tensioning arms.
Patent GB-578092-A (GB)
Title: Colour television system
IPC: H04N11/08
Filed: 1943-05-21
Abstract: 578,092. Colour photography and kinematography. FARNSWORTH TELEVISION & RADIO CORPORATION. May 21, 1943, No. 8135. Convention date, April 14, 1942. [Classes 97 (i) and 98 (ii)] [Also in Group XL] In colour television, a colour filter 26 comprising longitudinal strips 33, Fig. 3, of the three primary colours in repeated succession, the number of strips being two more than the number of picture lines, is oscillated between three positions in synchronism with the frame frequency so that in successive frames each line is scanned in each of the colours. At the receiver, the black and white image produced on the cathode-ray tube is viewed through a filter similar to that at the transmitter and oscillated in synchronism with it. In the transmitter shown, the filter 26 is placed between the source 24 and the photo-sensitive cathode 2 of a dissector tube 1, the arrangement being such that in each position of the filter the light striking the cathode 2 represents one colour only in the source. The filter is oscillated into its three positions by a magnet coil 28 fed with a stepped wave generated by a frequency converter 30 under the control of the synchronizing-signal generator 10. The colour filter at the receiver is similarly oscillated by a stepped wave generated by a converter controlled by the synchronizing signals. The filter may be made by assembling coloured strips on a large frame and taking a photographic copy on a reduced scale on colour-sensitive film. The Specification as open to inspection under Sect. 91 comprises also (1) an alternative type of filter, Fig. 4 (Cancelled) (not shown), in which each strip passes in succession from top to bottom all the colours of the spectrum, alternate strips being inverted so that there is no abrupt change of colour, and (2) the application of the invention to colour kinematography in which three successive negatives are exposed through the three primary colours of an oscillating filter and, in reproductions, the black and white images are viewed through a similar synchronously oscillating filter. This subjectmatter does not appear in the Specification as accepted.
Patent GB-811336-A (GB)
Title: Improvements in and relating to tank vehicles for transporting hot liquid substances
IPC: B60P3/22
Filed: 1956-03-15
Abstract: 811,336. Electric heating blankets for liquid - containers. CARRIMORE SIX WHEELERS Ltd., HERBERT, W. E. and LINE. A. E. June 14, 1957 [March 15, 1956], No. 8153/56. Class 39(3) [Also in Group XXXII] A tank vehicle for transporting hot liquid e.g. chocolate, has a tank which in addition to being completely or substantially completely covered by a lagging or heat insulating covering is provided with electric heating blankets 31 interposed between the outside of the tank and said lagging to maintain the contents of the tank hot enough to prevent solidification of the liquid. An electric generator 24 mounted on the forward end of chassis frame 1 and driven by an engine 25 supplies current for the electric heating blankets 31 and heating tapes, which comprise resistance wire interwoven with glass yarn. The blankets 31 are interposed between the tank and the insulating panels 30 and also at the tank ends under panels 41. The heating tapes are wound around the vent pipes and draw-off cocks 14, 15. The heaters can be coupled to the mains supply when the vehicle is in a garage, a switch being provided to isolate the generator as required. Regulation of the heating current may be hand or automatic, control being by means of a field rheostat which controls the voltage of the D.C. shunt wound generator. In the automatic operation a thermostat varies the tappings on the rheostat according to the temperature of the liquid in the tank. Audible or visible warning means are provided in the driver's cab to warn of any excessive variation in the liquid temperature and transmitting thermometers are placed at each end of the tank and connected to temperature indicating means at the side of the vehicle
Patent GB-879706-A (GB)
Title: Process for obtaining substantially straight-chained saturated hydrocarbons
IPC: F02B3/06
Filed: 1960-03-08
Abstract: Straight chain paraffins are obtained by urea adduction, washing the adduct with an organic solvent for paraffin hydrocarbons decomposing the adduct, distilling the paraffins and hydrogenating the distillate.  The solvent employed preferably boils below the paraffin to be obtained and may be petroleum ether, cyclohexane, benzene, a chlorinated hydrocarbon e.g. methylene or ethylene dichloride, or a ketone e.g. acetone or butanone.  In an example, the product is hydrogenated at 300 DEG C. and 200 atmospheres over nickel-tungsten sulphide.ALSO:Straight chain paraffin mixtures are obtained from mineral oil fractions by urea adduction, washing the adduct with an organic solvent for paraffin hydrocarbons decomposing the adduct, distilling the paraffins and hydrogenating the distillate.  The solvent employed preferably boils below the paraffin to be obtained and may be petroleum ether, cyclohexane, benzene, a chlorinated hydrocarbon e.g. methylene or ethylene dichloride, or a ketone e.g. acetone or butanone.  In an example, the product obtained from the adduction of a diesel oil fraction of boiling range 220-310 DEG C. is hydrogenated at 300 DEG C. and 200 atmospheres over a nickel-tungsten sulphide catalyst.
Patent GB-559457-A (GB)
Title: Improvements in and relating to steel mesh runways
IPC: E01C9/08
Filed: 1942-06-16
Abstract: 559,457. Wire fabrics &c. BRITISH REINFORCED CONCRETE ENGINEERING CO., Ltd., and HALL, E. B. June 16, 1942, No. 8231. [Class 45] [Also in Group X] A runway for aerodromes &c. is formed of strips of light, welded &c. steel &c. mesh which are caused to overlap for at least one mesh, the overlapping parts being anchored together so as to prevent relative creep between the strips and to prevent the edge of the upper strip lifting away from the lower strip. In Fig. 2, the strips overlap for at least two meshes and the edge of the bottom strip has the transverse wires 1 projecting slightly more than one mesh ; at, say, every sixth mesh, the projecting wire 1 is turned over to form a closed hook 4 over a longitudinal wire of the upper strip. Intermediate wires 1 are cut adjacent an inner longitudinal wire and the free ends so formed are bent into hooks 6 to hold the outer edge of the upper strip to the lower strip. In Fig. 3, the strips are held together by short strips of wire 9 bent over at each end 10, 11. Around the perimeter of the runway, the strips are held down by U-shaped pickets.
Patent GB-526392-A (GB)
Title: Improvements in and relating to routing and recessing and boring machines
IPC: B23Q35/00
Filed: 1939-03-15
Abstract: 526,392. Wood, trenching and slotting, ROBINSON & SON, Ltd., T. and ROBINSON F. B. March 15, 1939, No. 8251. [Class 145 (i)] A combined routing, recessing and boring machine comprises a base 5 carrying a work table 7 and having a pillar 8 with an arm 9 on the front face of which separately adjustable heads 10, 11 are mounted, one head housing a high speed routing spindle 12 and the other a low speed recessing and boring spindle 13. The spindles 12, 13 are driven from electric motors 16, 17 through belt gearing 14, 18. In a modification a slow speed motor in the pillar 8 drives a frequency changer which supplies current to a high speed motor mounted directly on the router spindle 12.
Patent GB-374935-A (GB)
Title: Improvements in means for fixing motor car wheels and tyres in position
IPC: B66F3/35
Filed: 1931-03-18
Abstract: 374,935. Fluid-pressure lifting-jacks. HAILWOOD, E. A., Beacon House, Texas Street, Morley, near Leeds. March 18, 1931, No. 8294. [Class 78 (iii).] A device for lifting motor-car tyres or wheels, to facilitate attachment when the car is jacked up, comprises an inflatable air pad J shaped as J<1> to receive the wheel or tyre and provided with drag links E<2> acting as supporting struts. The pad is inflated or deflated through a valved opening J<2>.
Patent GB-439222-A (GB)
Title: A device for supporting a hank of wool or other yarn during unwinding
IPC: B65H49/30
Filed: 1935-03-18
Abstract: 439,222. Domestic hank - holders. McQUOID, W. V., 3, Finvoy Street, Belfast. March 18, 1935, No. 8318. [Class 120 (ii)] For supporting a hank of wool or other yarn during unwinding slats 7, pivotally connected at 7<a> are connected at their ends to radial slats 5, 5<a>, which are pivoted to each other at their mid-points and respectively pivoted to a headpiece 4 and a sliding-member 6 on a tube 3 supported by a spindle on a base 1, the sliding- member being adjustable for accommodating hanks of different size and, when moved to the bottom of the tube, for collapsing the slats for storage.
Patent GB-139905-A (GB)
Title: Improvements in sole and heel protectors for boots, shoes and the like
IPC: A43C13/02
Filed: 1919-04-02
Abstract: 139,905. Connor, W. April 2, 1919. Protectors, construction of.-Sole and heel protectors, of the kind constructed of leather, rubber, fibre, &c. reinforced by metal pegs, have a flat wearing surface b with bevelled edges and a flat inner surface a. The metal pegs c may be clinched or turned over flush with the inner surface a as shown. The protectors are secured by spikes. The device is applicable also to revoluble heels.
Patent GB-1094103-A (GB)
Title: Improved method of producing knitted garments with sleeves
Inventor: WIGNALL HARRY
IPC: A41D1/04
Filed: 1964-02-28
Abstract: 1,094,103. Knitted garments. BENTLEY ENGINEERING CO. Ltd. Feb. 18, 1965 [Feb. 28, 1964], No. 8362/64. Heading A3V. [Also in Division D1] In a knitted sweater or like garment, integral sleeves are united to the fabric of the body of the garment by a knitted join extending diagonally of the courses and wales of at least one of said joined areas. A tubular blank or two selvedged blanks, incorporating front and rear pouches similar to hose heel pouches, are cut and seamed to make up the garment as shown (see also Divisions D1-D2). A separate collar may be inserted.
Patent GB-1198594-A (GB)
Title: Improvements in Musical Instruments.
Inventor: KUIJPERS LEENDERT HENDRIK
IPC: G10D13/08
Filed: 1969-02-17
Abstract: 1,198,594. Musical instruments. L. H. KUIJPERS. 17 Feb., 1969 [16 Feb., 1968], No. 8417/69. Heading G5J. A musical instrument comprises a series of sononous plates 7, loosely mounted at 8, 9 on their nodal lines, disposed over openings 10 in resonance boxes 1-5, the boxes all being of the same length but having apertures 11-15 of various shapes and sizes cut in them so that they are tuned to their respective plates 7. The boxes 1-5 may be in the form of cylinders, and are spaced from each other by flanges 16,17. The opening 10 may have a drawn-up lip, and is disposed either at the centre of its resonance box, or towards one end. A plurality of openings 10 may be provided.