baber/WOPTO huggingface dataset:
Patent GB-1184062-A (GB)
Title: Air-Cushion Vehicle
Inventor: TATTERSALL EDWARD GUNSTON
IPC: B60V1/00
Filed: 1966-03-14
Abstract: 1,184,062. Air cushion vehicles. HOVERMARINE Ltd. 7 March, 1967 [14 March, 1966; 10 Feb., 1967], Nos. 11102/66 and 6525/67. Heading B7K. An air cushion vehicle comprises a pair of laterally spaced body structures 40 adapted to carry payload and to contain cushion air lengthwise of the vehicle, body spacing means 42 extending between the body structures and sheeting 56 covering the cushion air space between the body structures so as to form a membraneous barrier between said space and the atmosphere above. The spacing means 42 comprise hollow struts which form gangways between the structures 40 and provide access to a central cabin 43, shown in Fig. 9 only, the structures 40 being loaded through hinged stern pieces 45. Flexible skirts such as 47 extend between the structures 40 to enclose the cushion space. The craft is propelled by ducted propellers acting as jet units or by air propellers and lateral air or water thrusters 62 or 63 may be provided to give lateral control. The cushion 61 is supplied by fans 51 drawing air through intakes 60 and same air may be discharged as at 58 to form an air curtain beneath the skirt. In a further embodiment (Fig. 5, not shown) a vertically movable load carrying platform is housed within the cushion space.
Patent GB-555547-A (GB)
Title: Improvements in or relating to the production of models from plaster moulds
IPC: A61C13/00
Filed: 1942-05-14
Abstract: 555,547. Moulding artificial dentures &c. in plaster moulds. AMALGAMATED DENTAL CO., Ltd., and WILDING, S. W. May 14, 1942, No. 6571. [Class 87 (ii)] In a process for making artificial dentures or other models or plaster positives by the use of moulds made from plaster of Paris or other plaster composed mainly of calcium sulphate, the mould is coated with a solution in water of a soluble alginate, such as sodium or potassium alginate. The alginate and calcium sulphate interact to form a film of calcium alginate on the mould which prevents the plaster from sticking to the denture and imparts a smooth surface to the denture, which may be made of polymerized methyl methacrylate. The plaster need not be warmed during the modelling process. To prevent the film of calcium alginate from becoming too dry on exposure to the atmosphere and peeling off the plaster, glycerine, ethylene glycol or other hygroscopic substance may be added to the solution.
Patent GB-1283025-A (GB)
Title: Improvements in or relating to connecting devices
Inventor: FURNELL DENNIS GEORGE
IPC: E04B1/58
Filed: 1970-02-11
Abstract: 1283025 Bolted joints; tube connectors LONDON GRAVING DOCK (INDUSTRIAL) Ltd 11 May 1971 [11 Feb 1970] 6615/70 Headings F2G and F2H A connector for use in joining tubes in a tubular structure, e.g. scaffolding or a space frame, comprises two regular polygonal rings 11, 12 each having an even number of sides, the rings being secured one inside the other in perpendicular planes with a pair of opposite external faces of the inner ring engaging or closely spaced from a pair of opposite internal faces of the outer ring, at least some of the other sides of each ring having holes for receiving bolts for the attachment of tubes. As shown, both rings are octagonal and may be secured together by a single diametral bolt or by two separate bolts. Tubes may be connected to the rings as described in Specification 1,189,235.
Patent GB-737861-A (GB)
Title: Improvements in and relating to electric incandescent lamps
IPC: H01K1/32
Filed: 1949-03-11
Abstract: 737,861. Electric incandescent lamps. DESHAW, Z. June 12, 1950 [March 11, 1949; March 16, 1949; March 11, 1949], Nos. 6673/49, 7167/49 and 14597/50. Divided out of 737,862. Class 39 (2). [Also in Group XL (a)] An electric incandescent lamp has a glass bulb coated internally with an adhering fluorescent material which is activated by the invisible energy discharge from the filament, the thickness of the coating layer and the nature and size of the particles thereof being such that not less than 95 per cent of the visible light from the filament entering the layer is emitted by the corresponding external surface of the bulb, the size of the particles being such that they will pass a 300-mesh screen. Preferably the coating layer comprises titanium dioxide of not less than 98 per cent purity, and a liquid binding medium consisting of a 2 per cent solution of nitro-cellulose with ethyl lactate as a plasticizer, and a thinner of butyl acetate and the same plasticizer. The mixture is subjected to prolonged grinding in a ball mill. Before applying the suspension to the interior of a bulb the latter is washed thoroughly with a cleansing solution, then rinsed with water at 80-90‹ C., subjected to the action of steam, and finally dried by warm air. The suspension may be applied to the inside of the bulb by spraying, pouring, or other methods, e.g. an excess of the suspension is poured into a bulb and the latter is rotated about its axis while allowing the suspension to pour slowly out. The bulb is then allowed to stand inverted for about an hour to drain away the excess suspension and allow the remaining coating to set. The quantity of suspension retained evenly over the interior surface of a 75 mm. bulb is about 4 cubic centimetres. Compounds other than titanium dioxide, which have fluorescent properties, refractive indices preferably greater than 2.0, are capable of being reduced to a particle size of the order of 0.25 to 10 microns, and are chemically inert in the presence of the materials within the lamp bulb, may be employed as coating materials. Specification 737,862 is referred to.
Patent GB-289219-A (GB)
Title: Improvements in or relating to electric inductances, rheostats and the like
IPC: H01C10/26
Filed: 1927-03-10
Abstract: 289,219. Humphries, W. J. A. March 10, 1927. Variable resistances; inductances.-A variable electric resistance or inductance consists of a spiral or helical conductor along which move two contacts in paths which are not continuations of each other, so that the contacts compass one another. In the arrangement shown in Fig. 4 the conductor consists of a helical tube 36. One contact 37 slides on a rod 38 carried by rotating discs 39, 40 and connected with a terminus 48 through a brush 47 and a metal ring 46 on the disc 40. The contact 37 runs on the outer side of the helix 36 and contact is made on the inner side by a brush 49 carried by a nut 50 running on a fixed screw 51 and rotated by means of a slotted sleeve 53 and handle 56. Modifications are described in which the contacts are above and below the conductor instead of being on the inner and outer sides of the helix.
Patent GB-1186312-A (GB)
Title: Improvements in or relating to Vehicle Parking Apparatus.
Inventor: LYNCH GERALD MATTHEW
IPC: E04H6/40
Filed: 1968-02-10
Abstract: 1,186,312. Mechanical parking. G. M. LYNCH. 27 Jan., 1969 [10 Feb., 1968], No. 6716/68. Heading B8E. Parking apparatus comprises platforms 1 connected by a parallel linkage 7, 8 to struts 9 of a central supporting column 2. In an elevated position in which the ground can be used for further parking a wheel assembly 16 runs on a track 10 extending round 330 degrees supported by columns 11. The track 10 is completed at one radial position by a track 12 which can be raised and lowered by screw jacks 13 or other means. A car entering through a gate 18 is driven on to a lowered platform 1 over a ramp 19. The screw jacks 13 are operated to raise the linkage 7, 8 and the track 12 until the latter is level with the track 10 when the support arms and platforms can be rotated until another desired platform is at the loading and unloading radial position in which is can be lowered by the screw jacks to the ground. Interlock switches prevent raising or lowering during rotation of the platforms and vice versa. Flaps are raised automatically in the raised platform position to prevent a vehicle from rolling off.
Patent GB-980503-A (GB)
Title: An electronic multiplication device
Inventor: SCHULZE JOACHIM
IPC: G06F7/498
Filed: 1961-02-24
Abstract: 980, 503. Electric decimal multiplying apparatus; mechanical calculating apparatus. BUCHUNGSMASCHINENWERK KARL-MARX-STADT VEB. Feb. 24, 1961, No. 6849/61. Heading G4A and G4B. A decimal multiplier comprises keyboard contact matrices MdMk for entry of ten-digit multiplicand and multiplier respectively, and operates in a number of cycles in each of which a number of pairs of digits are multiplied separately by repeated addition, e.g. in the first cycle the single multiplication of the least significant digit of the multiplicand by the least significant digit of the multiplier gives the last digit of the product, then this last digit can be read out by shifting the partial product down one place and in the next cycle the second least-significant digit of the multiplicand is added into the partial product register a number of times equal to the last digit of the multiplier and the last digit of the multiplicand a number of times equal to the second-last of the multiplier. This is followed by a further shift-out of the next product digit, and the next (three-stage) cycle, and so on. Two stepping registers K1, K2 control the selection of appropriate denominations in successive cycles, each register being stepped by ten pulses in each cycle, but in reverse directions, and the two registers differing by one in their counting capacity so that in successive cycles K1 starts from successively different denominations. Multiplier digits are registered in J2, and a counter J1 receiving clock pulses from MV controls the entry of a pulse into the lowest stage AC1 of the partial product binary accumulator over line U123 (odd multiplicand digits) and the number of pulses to be entered into its second stage over line N162. After each cycle of J1 the multiplier digit in J2 is counted down by a pulse from FF3, until when both J1 and J2 register 0 a signal is generated by "and" gate 199 which over lines N161 and 301 controls the stepping of the digit control circuits K1 and K2 and the selection of a new pair of digits from Md to Mk in that cycle. When a cycle is completed FF16 is set to read out the decimal digit in AC1 to decoding output relays A-D and via FF17 and line 403 to shift down the partial product in AC2, 3 into AC1, 2. Fig. 4 shows schematically the output on to sliders of a keyboard unit from electromagnets A 0 -A 9  mounted on a carriage which traverses a matrix of pins 321 and sets up a decimal digit on each in turn as the decoding relays A-D energize one of the relays for each output decimal digit. Specification 974,745 is referred to.
Patent GB-704468-A (GB)
Title: Improvements in or relating to combustion chambers for liquid, gaseous or pulverisedsolid fuels
Inventor: TIJEN HENDRIK WOUTER VAN
IPC: F23C99/00
Filed: 1951-03-22
Abstract: 704,468. Generating combustion products under pressure. GASTURBINE MAATSCHAPPIJ N.V. March 22, 1951, No. 6921/51. Class 51 (1) In a combustion chamber for burning liquid, gaseous or pulverulent fuel, for example in a gas turbine plant, an air supply channel 6 is co-axially arranged with the flame tube 1, the latter comprising a single wall the inlet end of which is cylindrically shaped and formed as a sharp edge being surrounded by a part of the wall of the air channel 6 which forms an annular trough 3. The trough has a continuously curved profile, tangents at the end of which near the centre being parallel or constituting a cone with a small apex angle. The air entering the flame tube will form a toroidal shaped vortex as indicated by the dotted line 7. Liquid fuel is supplied through an injector 4 and additional air may be admitted through the annular opening 11 around the injector. Additional air inlet openings may also be formed in the flame tube at 8, the air entering in a direction towards the inlet end of the flame tube. Swirl vanes 12 may be disposed in the air supply channel 6 and an igniter means may be introduced through the radially-disposed tube 9. In a second embodiment, gaseous fuel is introduced through a plurality of radially-disposed tubes similar to 9 and the centre of the annular trough is closed. A third embodiment for burning both liquid and gaseous fuel comprises a combination of the first two embodiments.
Patent GB-214790-A (GB)
Title: An electrical igniter of photographic flashlight powder, capable of attachment to the case of a pocket electric flashlamp
IPC: F21K5/00
Filed: 1923-03-10
Abstract: 214,790. Swan, J. C., (known as Swan, J.). March 10, 1923. Magnesium and like powder lamps.-A photographic flash-lamp comprises a metal stamping a adapted to be mounted on the case of a pocket electric lamp in place of the lens-holder, two metal wire electrodes d, which pass through holes in an insulator b attached to the stamping a by a bracket c, being connected by flexible cables g, which pass through a hole, to an adaptor screwed into the case in place of the incandescent lamp bulb. The other ends of the electrodes d are bent outwards so that they may be turned to vary the distance between them and are provided with slidably mounted tubular terminals f connected by a fine resistance wire e, which dips into the shallow narrow end of a recess a<1> into which the powder is placed. The recess a<1> is covered when not in use by an extension piece l provided with wires m slidably mounted in sockets n on the stamping a.
Patent GB-487526-A (GB)
Title: Improvements in or connected with fire escapes
IPC: A62B1/10
Filed: 1937-03-10
Abstract: 487,526. Lowering-appliances; brakes. LONGWORTH, J. R. March 10, 1937, No. 6998. [Classes 78 (ii) and 78 (v)] [Also in Group XXXIV] In fire-escapes of the type comprising a casing housing a shaft on which is mounted a grooved rope pulley, a coaxial gear, a fixed brake drum and revolvable support arms adapted to be rotated at high speed through the multiplying gear when the rope rotates the pulley during lowering of a load, such arms carrying and guiding radially movable segmental brake blocks connected together by springs and by toggle-links, the blocks i embrace the revolving arms h by long tongue and groove slide connections h<2>. One link l of each pair of toggles carries a mass l<1> which assists the blocks i in their centrifugal motion when the speed becomes excessive. Fig. 3 is a cross-section showing the general layout. The serrated pulley g is loose on a fixed shaft d and has an integral internally-toothed wheel g<2> which engages pinions b<2> loose on shafts b<3> fixed to a partition b which is always stationary relative to the back plate a of the casing, being riveted thereto through distance sleeves c. The pinions b<2> mesh with a central wheel h<1> integral with the arms h. The blocks i are fitted with a friction covering i<1>. The shaft d is held to the casing front f by a screw f<1> which also serves to force oil placed in the screw hole through a passage d<3> into an oil annulus h<2> The rope is guided in and out of the casing by rollers m<2> separated by a partition.
Patent GB-1579985-A (GB)
Title: Radio broadcasting system with code signaling
IPC: G08G1/09
Filed: 1978-02-22
Abstract: In the broadcasting system with code signalling, a multiplex signal is frequency modulated onto a main carrier by the transmitter. A sound-frequency information signal (9), a stereo information signal (13) which is modulated (11) onto a suppressed stereo auxiliary carrier (16, 17), a stereo pilot signal (15) with a frequency between the frequency spectra of the sound-frequency information signal and the modulated stereo information signal, and a binary code signal (23) are fed to the multiplexer (10). The code signal is modulated (20) onto an auxiliary carrier (18, 19) which lies outside the named frequency spectra, and the auxiliary carrier (18, 19) is a harmonic of a subharmonic of the stereo pilot signal and is derived from the same frequency source (14) as the stereo pilot signal. An unmodulated wave, which is necessary for detection of the code signal, is derived from the received stereo pilot signal by the receiver. In this way, perfect decoding of the code signal in the receiver is made possible with low receiving aerial voltages and without high-quality filters. <IMAGE>
Patent GB-497123-A (GB)
Title: Improvements in or relating to reflecting signals for the use of pedestrians
IPC: G08B5/00
Filed: 1938-03-07
Abstract: 497,123. Umbrellas; walking-sticks. SCHLAPFER, K. March 7, 1938, No. 7061. [Class 134] [Also in Group XX] A reflecting signal for pedestrians is detachably mounted on an umbrella or walking-stick. In Figs. 1 and 2 a rubber ring 1 which can be slipped over the handle of a stick &c. is provided with reflectors 2 around its periphery. To enable the reflector to be mounted on the point of an umbrella, packing pieces are inserted within the ring 1, the packing comprising either a single sleeve or a number of separate coaxial sleeves which may be longitudinally split. Instead of the rubber ring 1, a metal clamping member may be used, the ends of which can be drawn together by a screw and nut ; such a clamp is provided with a rubber lining.
Patent GB-589505-A (GB)
Title: Improvements in holders for work on metal working machines
IPC: B25B1/10
Filed: 1945-03-21
Abstract: 589,505. Vices. VOUCHER, Ltd., LAVENDER, F. H. R., and KENCH, E. R. March 21, 1945, No. 7075. [Class 6] (ii)] The jaws 29, 37 of a vice are mounted in T-slots 28, 38 in two sliding blocks 24, 36. The sliding block 24 is moved by a screw-andnut mechanism operated by a handle 23, and is provided with longitudinal slots 26 which accommodate two arms 33 extending parallel to the longitudinal sides 14 of the vice frame 10. The ends 34 of the arms 33 diverge and are disposed at an angle of 45 degrees to the sides 14 of the frame 10. An end plate 25 closes the ends of the slots adjacent the side where the screw 20 is situated. The arms 33 extend through slots 35 in the edges of the second block 36, which is provided with a pair of converging inclines 39, each of which is at an angle of 45 degrees to the sides 14 of the frame 10. Cylindrical rollers 40 are placed between each of these inclines and the end of one of the arms 33 associated with the sliding block 24. As the block 24 is moved, the block 36 also moves, but in the opposite direction, resulting in a self-centring vice. The block 36 is provided with a pin 41 extending through a shouldered hole 15 in the end of the frame. The projecting end of this pin is provided with a screw-thread and nut 42, and a spring 43 operates between this nut and the shoulder 16 in the hole 15 in the frame. This spring tends to move the block 36 towards the end of the frame. A cover-plate is mounted on top of the frame, with an opening for the gripping jaws 29, 37. A central hole is provided in the base of the frame to accommodate long work pieces.
Patent GB-525977-A (GB)
Title: Improvements in or relating to looms for weaving
IPC: D03D27/08
Filed: 1939-03-04
Abstract: 525,977. Beat-up mechanism for looms. DERBYSHIRE, W. March 4, 1939, No. 7125. [Class 142 (iii)] In weaving terry &c. fabrics, the sley and reed are advanced the full amount after each terry pick and less amounts after other picks. Each sley sword A is connected to a pivot a mounted on a slide b arranged in an arcuate slot b<SP>1</SP> the curvature of which is eccentric to the pivot C of the connecting rod B. The position of the slide b in the slot b<SP>1</SP> is regulated by a link D pivoted to an arm D<SP>1</SP> pivoted at K to the sley arms and carrying a runner d. A switch plate f<SP>3</SP> controlled by dobby &c. either engages the runner d and lifts the rod B or allows the runner to proceed on a horizontal track f<SP>1</SP> in which case the rod B is dropped and a complete beat-up is made.
Patent GB-646638-A (GB)
Title: Improvements in or relating to the coating of one metal with another
Inventor: SAMUEL ROBERT LIONEL
IPC: C23C10/34
Filed: 1946-03-07
Abstract: In a process of coating or diffusing one metal with or into another, in which one metal is heated in a gaseous atmosphere comprising a halide, preferably a chloride, of the coating metal, the atmosphere being produced in the reaction vessel, the vessel is sealed by means of a substance which will melt or become sufficiently soft to flow at the temperature of the reaction, but is solid at atmospheric temperature.  The reaction vessel may be a box surrounded by a tray or the like containing the sealing substance, the box being covered by a lid the lower end of which dips into the sealing substance.  It may be closed at its upper end, the lower end dipping into the sealing substance, a false bottom supporting the metal treated. Sealing materials referred to are a powdered mixture of lime, sodium carbonate and silica; broken or powdered glass; and boric acid; and the sealing material may be associated with an inner layer of clay or refractory substance.  Specifications 568,241, [Group XXVIII], 586,376, and 646,637.
Patent GB-359359-A (GB)
Title: Improvements in heat-ray and light-ray apparatus for therapeutic purposes
IPC: A61N5/06
Filed: 1931-03-07
Abstract: 359,359. Heat and light treatment apparatus. HALPERN, A., 10, Hegergasse, Vienna. March 7, 1931, No. 7184. Convention date, March S, 1930. [Class 81 (ii).] In a therapeutic radiator for use with light and heat rays, either combined or separately, a single reflector is used, which is stepped to form two concentric reflectors having a common focus. The reflecting surfaces are preferably paraboloid, one being used for the heat rays and the other for the light rays. In the arrangement shown, the centre of the reflector 1 is used for the heat radiator 3 which has a storage body 5 of suitable material on which may be wound a resistance wire which does not become incandescent with the voltage normally used, thus emitting radiations of long wavelength. In the channel round the central reflector are arranged lamps 4 of different colours. Each source of radiation can be separately controlled. A holder for a radio-active substance may be attached by a bracket to the reflector so that the substance is in the path of the beam from one radiator, which may emit either light or heat.
Patent GB-417098-A (GB)
Title: Improvements in and relating to the manufacture of sinks and the like
IPC: B21D51/18
Filed: 1934-03-07
Abstract: 417,098. Lavatory basins and sinks. BRIGGS MANUFACTURING CO., 11631, Mack Avenue, Detroit, Michigan, U.S.A.- (Assignees of Graf, V. J.) March 7, 1934, Nos. 7282 and 7283. Convention dates, March 31, 1933 and Aug. 25, 1933. [Class 26.] A metal lavatorybasin or sink with flanged apron E and splash plate C is pressed in a series of dies from a single sheet of metal, Fig. 3, the junction of the splash plate flange C2, Fig. 11, with the apron A being drawn from the piece I, Fig. 9, and from pressed up bulges R at the corners. A web piece K may be left which can be removed afterwards. The sheet goes through the following series of operations in appropriate dies : (1) cupping to form the sink B ; (2) partially bending up one side to form the splash back, (Fig. 4, not shown) ; (3) stamping the draining boards; (4) Fig. 6 (not shown); (5) bending the splash back to a right angle by die 42, Fig. 8, and forming corner swellings R by punches 45, Fig. 10; (6) flanging the edge C<1> of the splash back and merging the flange C<2> with the apron F and embossing a panel C<3> in die (50) Fig. 10 ; (7) cupping embryo draining hole and also bending down the apron A (Fig. 12 not shown) ; (8) trimming off the edge of the apron by cutters 64, Fig. 14, operated by the wedge fan 62 of the press 61 ; (9) trimming off the back and side flange similarly ; (10) flanging inwards a narrow edge all round in dies operated similarly to Fig. 14 ; (11) punching through the drain hole.