baber/WOPTO huggingface dataset:
Patent GB-142655-A (GB)
Title: An improved electrical resistance and manufacture of same
IPC: H01C17/04
Filed: 1919-05-03
Abstract: 142,655. Turnock, G. May 3, 1919. Cores, covering by winding.-An electric resistance of strip form is made by winding wire about two or more asbestos or other tapes or strings while these are supported and spaced by a mandrel, and afterwards firmly pressing together the wire and asbestos. The tapes may be led from reels a<2>, Fig. 9, over opposite faces of a flat mandrel i, which may be slightly tapered. Winding of the wire may be effected by rotating a disk o carrying a reel of wire r and a tension device s After leaving the mandrel, the tape and surrounding wire are compressed between rollers l. The relative rates of rotation of the rollers and disk may be varied to modify the spacing of the wire. Longitudinal adjustment of the mandrel i is provided for; it may fit into grooves in a sleeve h on which is a bushing n forming a bearing for the disk o. When asbestos cords are used, the mandrel is provided with guide grooves except at its forward end; also the feed rollers l may have teeth to preserve the spacing of the wire during compression.
Patent GB-1154762-A (GB)
Title: Improvements in Thyristors
Inventor: LEWIS COLIN BRIGHT
IPC: H01L29/00
Filed: 1967-03-09
Abstract: 1,154,762. Thyristors. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. 14 Feb., 1968 [9 March, 1967], No. 11069/67. Heading H1K. A thyristor element is clamped between a pair of conductive contacts by a spring which exerts pressure on one of the contacts via a self-supporting insulating body. In the embodiment the insulating body 10, which is of sintered alumina or beryllia, is pressed against the head of contact 4 by Belleville washers 8 held in a can 9 secured to the copper base 2. A connection to the anode is led out through an axial hole 7 in the anode contact or through a hole in the wall of can 9.
Patent GB-873404-A (GB)
Title: Improvements in pistons
IPC: B32B15/01
Filed: 1960-03-29
Abstract: An Alalloy piston for use in an Al-alloy cylinder is provided on its skirt with a coating of Albronze.  The coating is preferably applied by flame-spraying after the skirt has been roughened by grit-blasting or the like, and the coated skirt then finished to its final dimensions.  The Alalloy of the cylinder may contain Si 15-20%, the Alalloy of the piston may contain Si 12%, and suitable Albronzes consist of Cu containing Al 4-11% together with preferably not more than 10% in all of other alloying elements such as Fe 0.5-5%, Ni up to 7%, Si up to 3%, Mn up to 3%, Sn up to 1%, Zn up to 1% and Te up to 1%.  The preferred Al-bronze consists of Cu 90%, Al 8% and Fe 2%.  The coating is stated to be semi-porous so that it retains lubricating oil, and may be used in conjunction with conventional Cr-plated piston rings.
Patent GB-270892-A (GB)
Title: Improvements in double deck passenger vehicles
IPC: B61D13/02
Filed: 1926-04-28
Abstract: 270,892. Watson, H., A. April 28, 1926. Seats, arrangement and disposition of. - In a reversible or one-direction double - deck passenger vehicle such as a tramcar, railway carriage, motorbus, or rail-less trolly vehicle, two staircases are arranged between the decks under or above which, in the case of a tramcar, cross-seats 9 may be disposed while additional passengers may be accommodated on folding seats 12 on the platforms. In Figs. 10 and 13 an arrangement is shown for increasing the accommodation when desired in a motor-bus, the exit staircase 3 being pivoted so as to be swung forwardly as shown in dotted lines, Fig. 13, and a hinged trap-door 11 being folded down to give increased space on the upper deck 2, while on the lower deck 1 a seat 10 on the rear of the staircase may be brought into use and one half-door 14 closed so that a collapsable seat 12 on the platform 5 may be made available.
Patent GB-755768-A (GB)
Title: Protective means for use in electric power systems
IPC: H02H3/093
Filed: 1954-04-15
Abstract: 755,768. Protective cut-out arrangements. CHAMBERLAIN & HOOKHAM, Ltd., DEACON, L. O., and LEWIS, H. S. March 23, 1955 [April 15, 1954], No. 11130/54. Class 38(5) An overload protective arrangement comprises two variable speed motors a, f interconnected by a differential mechanism, the speed of the motor a being related to the load on the protected apparatus c and the speed of the motor f being. varied by means operable by a part of the differential mechanism, a member operable by the said part serving as an indicator and/or controlling a circuit-breaker or a warning signal. In the arrangement. shown the pinion j of the differential mechanism is carried by an arm secured to a spindle k which carries a contact arm. m co-operating with a fixed arcuate contact n and a resistance h to vary the speed of the motor f. An insulated extension o of the spindle k carries a contact arm p which may engage an adjustably fixed contact (not shown) on a graduated scale q to energize the trip coil r of a circuitbreaker. On an increase in load, the speed of the motor a is increased causing movement of the arms m, p. This increases the speed of the motor f until the movement of the arm ceases, the new position of the arms and the speed of movement into that position being dependent on the load so that the operation of the arrangement depends on the duration as well as the amount of load.
Patent GB-236330-A (GB)
Title: Improvements in or relating to tins or moulds for pie casings or other plastic or like material
IPC: A21B3/13
Filed: 1924-05-06
Abstract: 236,330. Ericsson, C. O., and Christiansen, E. May 6, 1924. Pie-moulding machines.- A tin or mould for pie casings &c. is provided with means, disposed between the wall of the tin &c. and the moulded article and operated from the underside of the vessel, to enable the moulded article to be readily separated from the container. In the form shown a scraper comprising a base disc 2 end tapering arms 3 formed with bevelled edges 4, 5 is rotatable by means of a head 7 projecting from the bottom of the vessel and connected by a pin 6 to the base disc.
Patent GB-352938-A (GB)
Title: Improvements in or relating to microphones
IPC: H04R21/02
Filed: 1930-04-08
Abstract: 352,938. Microphones. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., Marconi House, Strand, and ROUND, H. J., Westfield, Muswell Hill, both in London. April 8, 1930, Nos. 11179 and 21171. [Class 40 (iv).] A microphone comprises a thin layer 7 of carbon &c. powder not exceeding 2 mms. in thickness located between a rear electrode 2 and a front electrode 6 affixed to a thin, very light and substantially unstretched diaphragm 5, the electrode 6 being in contact with substantially the whole area of the face of the layer and the diaphragm being of sufficient rigidity to maintain the contact and a substantially uniform layer under all working conditions. The rear electrode 2 is in the form of a metal plug fitted into one end of a ring 1 of insulating material, the end face 2<1> of the plug being gold plated and polished. The diaphragm may be of thin stiff mica covered on one face with gold leaf and carried in a peripheral pocket formed by the ring 4 and annulus 3 secured to the end face of ring 1. The edge of the diaphragm is slightly coated with the substance known under the registered Trade Mark " Vaseline " so as to form a substantially airtight seal whilst allowing freedom for expansion and contraction. Alternatively, the diaphragm may consist of a sheet of paper, linen, &c., treated with celluloid or other suitable varnish and having a sheet of gold leaf cemented thereto, the edges of the diaphragm being cemented or otherwise secured over the open end of ring 1. The microphone can be inserted in circuit with a battery B, variable control resistance R, large capacity electrolytic condenser C and transformer T as shown in Fig. 3 or alternatively the resistance R may be in series with the microphone, battery and primary of the transformer and shunted by the condenser C. Fig. 5 shows a construction in which a plurality of microphones E, F, G, H constructed according to the present invention are arranged in a single slab P of insulating material, the rear plug electrodes standing up from a single back piece and each cell being covered by a separate diaphragm. The cells are connected in seriesparallel as indicated. According to a modification of this construction, a single large brass slab is employed which is gold plated and separated out into horizontal sections by means of insulating horizontal strips.
Patent GB-1411511-A (GB)
Title: Sequestering agents
IPC: C11D3/20
Filed: 1973-03-07
Abstract: 1411511 Sequestering process ETHYL CORP 7 March 1973 [7 March 1972 14 June 1972] 11236/73 Heading C1C [Also in Division C5] Water-soluble salts of cis 2,5-disubstituted tetrahydrofuran wherein the substituents are carboxy or carboxymethyl groups are used as sequestering agents, preferably in alkaline aqueous medium in presence of an anionic, nonionic, cationic, ampholytic or zwitterionic detergent, or mixtures thereof. Mono- or disodium, potassium, ammonium, alkyl ammonium, morpholinium or alkanol ammonium salts are used to sequester ions of Ca, Mg, Fe, Mn, Cu, Al, Cr, Ni, Co, Sn, and V.
Patent GB-670440-A (GB)
Title: Improvements in or relating to condensers for stills
IPC: G01N25/14
Filed: 1949-04-27
Abstract: 670,440. Surface condensers. CAMP, E. J., and MOORE, H. R. April 18, 1950 [April 27. 1949], No. 11246/49. Class 64(iii) A condenser for a still comprises two upright tubular vessels 10, 11 arranged end to end and separated by a partition 12 which in the form shown is dome shaped, a helical tube 14 in the lower vessel 11 being sealed at one end to a hole 13 in said partition and at its other end sealed to a hole 15 in the lower portion of the wall of the lower. vessel communicating with an outlet 16 for condensate, a helical tube, e.g. series-connected coils 20. 21 in the upper vessel 10 communicating, e.g. by means of a centrally disposed pipe 18, with the lower vessel through a second hole 19 in the partition and with an outlet 23 in the wall of the upper vessel for the cooling fluid, a supply pipe 24 for vapour to be condensed being provided in the upper part of the upper vessel 10 and a supply pipe 17 for the cooling fluid being provided in the lower part of the lower vessel 11. Vapour to be condensed flows from the inlet 24, over the coils 20, 21 in the vessel 10 and through the coil 14 in the vessel 11 to the condensate outlet 16. Cooling fluid flows from the inlet 17, over the coil 14 in the vessel 11 and through pipe 18 and the coils 20, 21 to the outlet 23 in the vessel 11. The whole of the apparatus may be made of glass tubes but any or all of the parts can be made from any other suitable material, such as metal. Specification 670,439, [Group III], is referred to.
Patent GB-773987-A (GB)
Title: Improvements in means for closing elliptical man-hole covers of industrial pressure vessels
Inventor: ROBB DONALD
IPC: B01J3/03
Filed: 1954-04-20
Abstract: 773,987. Hinges. TAYLOR REID & CO., Ltd. April 20, 1955 [April 20, 1954], No 11269/54. Class 65 (2). [Also in Group XVIII] An elliptical manhole cover A is applied to the lower edge of a reinforcing member b surrounding a manhole by a beam C which is located above and parallel to the major axis of the manhole and is connected to the cover by a downwardly - depending pin D terminating in a ball or sphere d in engagement with a bearing a provided in the top of the cover at the centre thereof, stop pins d<SP>1</SP>, d<SP>2</SP> on the cover and beam keeping these members in proper relative position. One end of the beam C is hinged between supporting brackets C<SP>2</SP>, C<SP>2</SP>, affixed to the member b, through balls c<SP>1</SP> disposed between the outer ends of studs c screwed into the beam and bearings c<SP>5</SP> adjustably mounted on the said brackets.
Patent GB-981995-A (GB)
Title: Improvements in multi-stage reducing valves
IPC: G05D7/01
Filed: 1963-03-22
Abstract: 981,995. Valves. W. ODENDAHL. March 22, 1963 [March 23, 1962], No. 11393/63. Heading F2V. [Also in Division G3] A multi-stage throttling valve device comprises a valve housing 5, a valve spindle 1 displaceable axially in a bore in the housing, this bore at one end communicating with an inlet 12 for pressure fluid and at its other end comprising an outlet 14, the bore being formed with a plurality of axially spaced lands 8, the spaces between the lands constituting flow chambers, and the spindle being formed with a plurality of sets of throttling channels 11 alternating with plain parts of the spindle which engage the lands in closed position to isolate the successive sets of throttling channels from each other. The channels of each set comprise multi-start spiral channels, the sets being alternately of opposite hand, and the individual channels increase in cross-sectional area in the direction of flow as shown. The channels may be provided each with a series of transverse baffles 15 which extend across one-half of the cross-section, Fig. 3, whereby the flow acquires a rotational component of flow as indicated. The device may be used for the decompression of high-pressure superheated steam, a further inlet 18, 20 being provided in the region of the first set of channels whereby feed water or condensate may be introduced with the object of de-superheating the steam. The spindle has a conical closure surface 3 at the entrance to the channels.
Patent GB-1242506-A (GB)
Title: Improvements in or relating to suspended filing arrangements
IPC: A47F5/08
Filed: 1970-03-10
Abstract: 1,242,506. Suspension filing. PLATEXPLASTARTIKLER A.S. 10 March, 1970 [21 March, 1969], No. 11397/70. Heading B6E. A suspension filing system for gramophone envelopes comprises a suspension rail having a web 1, Fig. 1, from which depends a pair of spaced flanges 2, 4, terminating in hooks 3 engaged by a suspension slide 5 having a symmetrical configuration of the web 1 and attached to a tube 8, Fig. 2. The tube 8 is provided along its lower edge with a longitudinally extending slot 9 to define a pair of opposed supports on which rests the spine of a gramophone envelope distended by a plastics rod 11.
Patent GB-218425-A (GB)
Title: Improvements in and connected with the controlling of the circuits of thermionic valves, and the like, for radio telegraphy and telephony
IPC: H01C10/10
Filed: 1923-04-28
Abstract: 218,425. Woodroffe, F. K., and Dawson, R. N. April 28, 1923. Receiving sets, construction of. -A resistance wire 31 for controlling the filament circuit of a valve is carried on a cylinder 42 rotatable in a panel, the bore of the cylinder serving as a peep hole through which the filament of the valve mounted behind the panel may be observed. The cylinder may have a transparent diaphragm half of which is clear, the remainder being dark coloured, so that the filament is just visible through the dark portion when correct adjustment has been made.
Patent GB-581454-A (GB)
Title: Method of reclaiming used metal molds
IPC: B23K11/00
Filed: 1944-06-16
Abstract: 581,454. Renovating worn articles. UNITED STATES PIPE. & FOUNDRY CO. June 16, 1944, No. 11534. Convention date, Sept. 4, 1943. [Classes 83 (ii) and 83 (iv)] Making casting-moulds.-In a method of renovating used metal moulds, particularly steel moulds used for centrifugally casting iron pipes, the bell end 11, Fig. 1, and the ring carrier 12 are severed from the central portion 10 at the points a and b or c, and the portion 10 has a strip removed therefrom to allow the mould to be contracted to a smaller diameter prior .to re-boring. If the inherent contractile stresses of the used mould are insufficient to close the gap 15, Fig., 8, pressure directed towards the mould axis is applied by levers 19 spaced along the mould and pivoted to fixed points at 20. The levers act at points 18 spaced from the gap 15 and are actuated by hydraulic jacks &c. at 21 whilst the mould is supported on abase 17. The sides of the gap 15 are cut away as shown to allow the contracted mould to be welded whilst under pressure and the ends 11, 12 are then welded on and the mould machined inside and out to remove cracks &c. from the inner surface and to restore the mould to uniform thickness. The pressure of the levers 19 is sufficient to restore the mould to a circular section whether or not it is required to close the gap 15, and the contracting of the mould is stated to reduce the depth of the interior cracks which have to be machined out. If parts of the mould have been damaged beyond repair, these parts may be cut away on transverse planes and the renovating process applied to the remaining part, which may then be used as a shorter mould or may have another cylindrical portion welded thereto.
Patent GB-211381-A (GB)
Title: Improvements in or relating to devices for arresting the movement of colliery and other vehicles
IPC: B61H9/04
Filed: 1923-04-30
Abstract: 211,381. Neil, A., and Jones, S. April 30, 1923. Back struts.-Means for arresting colliery and other vehicles in the event of breakage of the haulage connections comprises a bar A pivoted at B and normally held in the inoperative position shown, by a clip C. The bar A is provided with an arm D tc which is attached a wire passing beneath the vehicle from end to end of the train. The wire is normally slack but in the event of breakage of any cf the couplings, becomes tensioned and pulls down the bar A into engagement with the track.
Patent GB-701816-A (GB)
Title: Improved method of reducing the water-permeability of a stratum of ground
IPC: C09K17/50
Filed: 1951-05-17
Abstract: 701,816. Consolidating earth. HORVATH, J., and HORVATH, O. May 17, 1951 [May 20, 1950], No. 11582/51. Drawings to Specification. Class 68(1) The water permeability of ground is reduced by introducing into the stratum a solution of hydrophilic substance which becomes flocculated by action with substances in the ground or the subsurface water. The hydrophilic substance may be an alkali humate prepared by treating humic material, e.g. peat or brown coal, with weak caustic soda. The injection may be made across the subsurface water-courses to raise the water-table or may be placed to prevent sub-surface water entering underground working. Polyvalent cations or hydrogen ions may also be injected to increase the rate of flocculation.
Patent GB-210035-A (GB)
Title: Improvements in electric luminous discharge lamps
IPC: H01J17/00
Filed: 1923-04-30
Abstract: 210,035. General Electric Co., Ltd., (Assignees of Pintsch Akt.-Ges., J.). Jan. 20, 1923, [Convantion date]. Signs.-An electric discharge lamp containing neon or helium for use as a sign at normal voltages and having electrodes covered by a glow showing through one or more stencils, is provided with a cathode d, Figs. 1 and 2, in the form of a net or mesh of woven iron or other wire. which diminishes the current consumption and allows both sides of the lamp to be used. The stencil c may form an anode for use with continuous current and a reflector e mav be mounted on the opposite side. In a modification for use with alternating current a second mesh is used as the anode and both electrodes are enclosed in a stencil and reflector, or two stencils may be used to form a two-sided sign. A stencil may be built up by sliding a number of plates, each forming a letter, into guiding channels in a frame. The plates are overlapped and may be secured together by projections. Specifications 5611/14 and 135,485, [both in Class 39 (i), Electric lamps, Arc &c.], are referred to.
Patent GB-896085-A (GB)
Title: Improvements relating to potentiometers
Inventor: LOCK TOM
IPC: H01C10/32
Filed: 1959-04-06
Abstract: 896,085. Variable resistors. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. March 29, 1960 [April 6, 1959], No. 11610/59. Class 37. The generally cylindrical resistance member of a potentiometer is surrounded by an annular rotatable member having an internal screw thread, and is provided with a contact member which lies in the screw thread and bears on the member, and is prevented from rotating about the resistance member so that it moves axially. The spring contact member 10, Fig. 1, lies partly in the screw thread of the rotatable metal cylinder 8, with its ends 11 and 12, Fig. 2, in electrical contact with the resistance wire 4 wound on cone 21, and is prevented from rotating by the shape of the cone. Cylinder 8 is rotatable by insulating member 9, which may be sealed to the insulating housing 15 mounted on insulating base 5, through which pass terminals 6 and 7 for the wire 4, and terminal 13, which is connected via wiper contact 14 to the cylinder 8. A metal screen may be placed around housing 15. In a second embodiment, Figs. 3 and 4, the screw thread is formed on a metal sleeve 39 of insulating rotatable cylinder 37, itself enclosed in metal housing 47. Contact to the resistance wire is made by spring 45 secured to plate 40, which lies in the screw thread and is prevented from rotating about core 32 by metal terminal rod 44 passing through hole 43. Connection to the contact member may alternatively be made by a wiping contact bearing against sleeve 39. In both embodiments, excessive rotation merely causes the contact member to jump the screw thread.
Patent GB-1208632-A (GB)
Title: Improvements in or relating to the production of urea phosphate
Inventor: KEENS DOUGLAS
IPC: C07C273/02
Filed: 1968-03-11
Abstract: 1,208,632. Urea phosphate. POWER-GAS CORP. Ltd. 20 March, 1969 [11 March, 1968], No. 11714/68. Addition to 1,149,924. Heading C2C. Urea phosphate (H 2 N-CO-NH 2 .H 3 PO 4 ) is produced from urea and phosphoric acid in a continuous process in which (a) urea phosphate crystals are produced from an aqueous feed solution of phosphoric acid and urea, (b) the crystals are dissolved to form an aqueous solution from which a supersaturated solution of urea phosphate is obtained, (c) the supersaturated solution is mixed with a suspension of forming and growing crystals of urea phosphate, and (d) grown crystals of urea phosphate are separated from the mixture.
Patent GB-580223-A (GB)
Title: Improvements in water seals
IPC: E03C1/292
Filed: 1944-06-21
Abstract: 580,223. Clearing water traps. HAVRENIUS, H. June 21, 1944, No. 11759. [Class 33] [Also in Groups VIII and XXVIII] In a water trap for drain pipes, part or the whole of the walls of the trap are made of elastic material which can be temporarily deformed by hand pressure so as to break up clogging dirt deposits. The elastic material may be flexible metal tubes or sheet metal, or rubber, e.g., a multi-ply material with an inner wall of rubber or synthetic resin which is resistant to corrosive or abrasive substances, and one or more outer plies of canvas or wire netting embedded in rubber. The Figures show three forms of trap in which the sectioned parts are of rigid material and the remainder elastic, Fig. 6 indicating the temporarily deformed condition.
Patent GB-136137-A (GB)
Title: Improvements in Method of Making Finished Castings.
IPC: B22C7/04
Filed: 1919-05-10
Abstract: 136,137. Doehler Die Casting Co., (Assignees of Kralund, J.). Nov. 30, 1918, [Convention date]. Patterns; moulding processes.-For accurately casting a number of identical articles with finished surfaces, a mould is made in plastic composition such as one containing plaster of paris by using a pattern plate formed of one or more identical sections 8 made by casting in metal or like hard material, preferably by the pressure die-casting process, in a metal or similar mould. Preferably the sections are so formed that when placed together, the main supply run 10 is formed by portions of the sections 8, and the branches 13, 14 are also so formed. The sections 8 are fixed to the base 17 by pins or rivets 16, and are each provided, alternately, with projections 18 or recesses 18<1> so that on the mould parts lugs and recesses are formed to secure accurate alinement.