baber/WOPTO huggingface dataset:
Patent GB-1221974-A (GB)
Title: Apparatus for measuring angular displacements
Inventor: ELVER JOHN STANLEY
IPC: G01D5/347
Filed: 1968-05-02
Abstract: 1,221,974. Signalling rotary movement. BRITISH AIRCRAFT CORP. Ltd. 3 July, 1969 [2 May, 1968], No. 20905/68. Heading G4H. In a gyroscope or similar device having an inner part 3 mounted in bearings in a second part 6, which is itself mounted in bearings in an outer part 9, the bearings being at right-angles, there is provided disc 10 on the inner part cooperating with a segment 11 on the second part, and a similar disc 12 on the second part cooperating with a segment 13 on the outer part. The disc 10 has a fine radial graticule and a similar graticule or segment 11 produces Moire fringes moving radially as the inner part moves with respect to the second part. Light from lamp 15 is taken by a bundle of light fibres to the hollow centre of the bearing 7 of the second part, and via another fibre bundle 22 and lens 23 to the disc 10 and segment 11. Transmitted light is taken by bundle 24 to the other bearing and conveyed by bundle 26 to a detector 17. Pulses given by the detector indicate increments of rotation of the inner part relative to the second part and they are counted. A similar system of light fibre bundles conveys light from lamp 15 via disc 12 and segment 13 to a detector 29. It is stated that direction signals may also be given by the detectors.
Patent GB-460768-A (GB)
Title: Improvements in or relating to couplings for road vehicles
IPC: B60D1/14
Filed: 1935-07-23
Abstract: 460,768. Articulated road vehicles. FAIRBROTHER, H. (Reversible Trailers, Ltd.) July 23, 1935, No. 20947. [A Specification was laid open to inspection under Sect. 91 of the Acts, Feb. 11, 1936.] [Classes 79 (iii) and 79 (v)] [Also in Group XXXII] Trailer coupling means for road vehicles comprises a transverse drawbar 1 pivoted at its ends to the side members 9 of the trailer frame so as to be rockable about a horizontal transverse axis and centrally pivoted on a pin 2 of a frame 3, 4 attached to the towing vehicle, the ends of the drawbar 1 passing through inclined guide slots (i in arcuate end members 7 of the frame 3, 4, to provide for canting when turning corners &c. In the arrangement shown, the coupling means provides lateral support for a single-wheeled trailer, the wheel 12 being mounted between arms 14 depending from a subsidiary frame 15 connected to the main frame by a pivot 19 and transverse spring 16. The ends of the spring 16 engage frame brackets 17 to which are attached wooden blocks 18 guiding the sides of the frame 15. The Specification as open to inspection under Sect. 91 comprises also the subject-matter of Specification 460,769. This subject-matter does not appear in the Specification as accepted.
Patent GB-1172796-A (GB)
Title: Improvements in or relating to an External Rear View Mirror for a Motor Vehicle.
Inventor: TALBOT YORK
IPC: B60R1/06
Filed: 1968-05-02
Abstract: 1,172,796. Vehicle rear-view mirrors. Y. TALBOT. 2 May, 1968, No. 20969/68. Headings B7J. A vehicle exterior rear view mirror comprises an inverted channel member 7 connected with the vehicle body 1 via a sealing member by means of bolts 9 passing through slots 8 in the member 7, said member having extending therefrom bolts 13 which pass through a sheet metal cover 6 and a pedestal 5 into a conical housing 4 where nuts 14 secured the assembly into a unit. The housing 4 is adapted to receive an adjustable reflecting member. Bolts 9 may be replaced by self-tapping screws 12. In a modification the centre part the member 7 is raised and the bolts 13 are connected at their lower ends by a cross-piece forming a U-shaped member, the cross-piece occupying the raised portion of the member 7. In a further modification the member 7 is devided into two parts each associated with a bolt 13 which is non- rotatably located at its lower end by a bolt or hammer head in the channel of the member 7. The bolts 13 may be cranked so that rotation thereof alters the portion of the threaded upper end. Also the bolts may pass through a slotted plate located in the housing 4, which plate is clamped between the housing and bolts 14. In the embodiment of Fig. 6, oblique tongues 38 may be formed from the member 7 which contact webs 39 of the pedestal 5.
Patent GB-807147-A (GB)
Title: Improvements in vapour and liquid separating apparatus
IPC: F22B37/32
Filed: 1957-07-03
Abstract: 807,147. Steam separators. BABCOCK & WILCOX Ltd. July 3, 1957 [July 6, 1956], No. 21026/57. Class 123(3) A device 26 for separating a mixture of a vapour and a liquid, especially a mixture of steam and water formed in the generating tubes of a water-tube boiler, is disposed at the outlet 24 from a chamber 22 formed in a drum 10 by a longitudinal baffle 20, the mixture entering the chamber from riser tubes 18. The device 26 consists of a multiplicity of curvilinear, nested plates, which divide the mixture flowing through the outlet 24 into a large number of thin streams and subject the streams to a change of direction of between 90 and 180 degrees, the plates shown each forming a 120 degree segment of a cylinder. Most of the separation occurs due to centrifugal force as the mixture passes through the device, liquid collecting in the space 16 in the drum whence it flows through downcomers 19 whilst vapour passes upwardly through a scrubber 28, preferably of the form described in Specification 433,270, to an outlet 30.
Patent GB-743559-A (GB)
Title: Chlorinated organic compounds
IPC: C07D295/21
Filed: 1953-07-30
Abstract: The invention comprises compounds obtainable by effecting an addition reaction between one mol. of chlorine and one mol. of an N-substituted thiocarbamyl chloride of formula <FORM:0743559/IV(a)/1> wherein R1 represents an alkyl radical, R2 represents an alkyl or aryl radical, or R1 and R2 together represent a polymethylene or oxapolymethylene radical.  The chlorination is conducted under substantially non-aqueous conditions, preferably in presence of an inert solvent (e.g. aliphatic and chlorinated aliphatic hydrocarbons) and preferably at a temperature between -20 DEG  and 100 DEG  C.  The perchloride products may be further reacted under substantially non-aqueous conditions with a thiuram sulphide of formula <FORM:0743559/IV(a)/2> wherein R3, R5 and R4, R6 are defined as for R1 and R2 respectively and x is an integer (preferably 2), to give three molecules of the corresponding N - substituted thiocarbamyl chlorides.  The examples describe the preparation of diethylthiocarbamyl chloride perchloride, and the treatment of tetraethylthiuram disulphide with this perchloride to give diethylthiocarbamyl chloride.
Patent GB-587421-A (GB)
Title: Improvements in automatic (temperature controlled) shutters for heat exchangers
IPC: F01P7/12
Filed: 1944-10-30
Abstract: 587,421. Automatic shutters for heat-exchangers. CARTER, B. C. Oct. 30, 1944, No. 21201. [Classes 64 (ii) and 64 (iii)] An automatic shutter for controlling the air flow through an aero-engine oil cooler or like heat-exchanger comprises a frame 1 or a plurality of contiguous frames forming a support or supports for a number of bi-metallic elements 3 which are arranged in grid form and in such a manner that the gap or air passage between any two adjacent pairs of elements will vary with the temperature of the latter. Preferably each element consists of a V-shaped strip with bowed limbs which is formed by folding a brass/invar strip, e.g., 2.4 inches wide and 0.01 inches thick, about its longitudinal centre line, and it is strengthened by inwardly bending the free edges 3b thereof and is also reinforced at the apex 3a by an inner steel strip 3d. The elements are mounted transversely in the frame which is located on the downstream side of the cooler with the apices pointing upstream, by a plurality of longitudinal rods 4 which are secured to the top and bottom walls 1a, 1b of the frame and extend through holes 6 in said apices and/or by means of tongues which extend from both ends of the apices and engage slots in the side walls of the frame, the elements being so' designed and spaced that adjacent free edges contact to close the shutter at the lower temperature limit and themselves close to open the shutter fully at the upper limit. The elements may also be supported in slots 1d, 1f in the frame stiffening members 1c, 1e. A plurality of narrow parallel scores may be formed across the width of each limb of an element in order to avoid buckling of the latter, the scores extending the full 'thickness of one of the constituent metals thereof. The invention is also applicable to an annular type shutter, in which case the bi-metallic elements are arranged radially between inner and outer concentric circular frame walls.
Patent GB-1010842-A (GB)
Title: Improvements relating to switch-operating devices
Inventor: TURNER CHARLES WINTON
IPC: H01H35/18
Filed: 1962-06-01
Abstract: 1,010,842. Fluid actuation of switches. MODERN EQUIPMENT CO. Ltd. Aug. 12, 1963, No. 21211/62. Heading H2B. A switch 6 mounted on a plate 5 is operated by a float 1 secured to an arm 2, the arrangement being that the arm 2 is bent at right angles at its lower end and carries a lever 11 co-operating with a cam 4. This cam is provided with a switch-operating protruberance 5a and two pins 8, 8a whereby the switch 6 is only operated when the lever 11 engages either of the pins. Clocwise rotation of the cam 4 beyond the position where protruberance 5a operates switch 6 is prevented by a stop 10 provided on the plate 5.
Patent GB-868596-A (GB)
Title: Improvements in and relating to display devices employing glow discharge tubes
Inventor: WIGHTMAN COLIN JOHN
IPC: H01J17/49
Filed: 1958-07-02
Abstract: 868,596. Glow discharge indicator tubes. ERICSSON TELEPHONES Ltd. June 26, 1959 [July 2, 1958], No. 21236/58. Class 39(1). In a gas filled glow discharge indicator tube of the kind having a plurality of display electrodes of different symbolic shapes, the electrodes being connected to separate terminals, there are provided two interleaved sets of electrodes; the electrodes of one set are substantially identical with those of the other set and they are arranged with like electrodes of the two sets adjacent to one another, the electrodes of one set alternating with those of the other set. In operation of the device one electrode of a like pair acts as an anode the other as a cathode. The electrodes not required for display purposes are connected to the electrode of the anode set. Each of two sets of electrodes may act as cathode or anodes and the connections are interchangeable. In one form twenty electrodes in two sets of ten, the electrodes being in the form of numerals, are mounted between posts 23 and 24 spaced from each and supported in planes parallel to the base 21, the electrodes of one set such as A7 being interleaved with the electrodes of the other set such as C7 such that like electrodes of the two sets are adjacent each other. Adjacent pairs of electrodes need not be in numerical order and will be arranged to minimise masking of adjacent numerals. Each electrode is connected to a terminal pin such as CP1 or API projecting through the base 21. In another embodiment the electrode planes are perpendicular to the base.
Patent GB-199632-A (GB)
Title: Improvements in or relating to tyre pressure gauges
IPC: B60C23/04
Filed: 1922-08-03
Abstract: 199,632. Richardson, O. E., and Lundeen, H. E. Aug. 3, 1922. Tell-tale apparatus.-A pressure gauge mounted on the valve stem of each tyre of a motor vehicle has a hand moving over a rheostat in circuit with an ammeter mounted on the dashboard of the vehicle, the ammeter being graduated in pressure units. The casing 11 of the gauge is secured to the valve stem 8. The Bourdon tube 12 moves an arm 16 through quadrant and pinion gear, the arm working over a coil 18 wound on a non-conducting bar 19. The arm 16 is connected to an insulated drum 28 by leads 25, 27, while one end of the coil is connected by a lead 22 to a hub bolt and thus earthed. A brush 32 engages the drum 28 and through a lead 31 is connected to one terminal of an ammeter 30, the other terminal of which is connected through a resistance 36 and switch 37 to one pole of a battery 39, the other pole of which is earthed to the vehicle frame. As the pressure in the tyre varies, the brush 24 in the arm 16 moves over the coil 18, varying the amount of resistance in the ammeter circuit and thus the reading of the ammeter, which is graduated in pressure units.
Patent GB-580093-A (GB)
Title: Improvements in ventilators and controllable air inlets for buildings and the like
IPC: F24F13/065
Filed: 1943-12-20
Abstract: 580,093. Ventilators. BRAND, A. N. Dec. 20, 1943, No. 21301. [Class 137] A ventilator has a deflector with a contour conforming to the curvature of a surface of revolution rotatably mounted so as to be capable of just passing freely within the edges of an opening about a transverse axis and having coaxial circular end rims projecting through the opening for adjusting the air passage thereby. In the form shown two deflectors, conveniently unequal segments 17, 18, of a cylinder are mounted so as to be independently rotatable and to be set relatively to each oher to give variously sized and directed openings or to close the outlet. The segments are supported within a frame 11 to the end bars 14 of which a stud secured to a friction plate 16 is welded and between this plate and flanged discs 19, 20, at opposite ends of each segment felt or other friction discs 23 cause the segments to remain at any position to which they have been adjusted by manipulation of flanges 21. The larger segment 17 has its larger disc 19 and flange 21 at the right hand side of the outlet, the flanged disc 20 of the other segment resting within it; the other segment 18 is similarly operable from the left hand side. Cords or other means for operating the end discs from a distance may be provided.
Patent GB-331113-A (GB)
Title: Improvements in steam superheaters for water tube boilers
IPC: F22G7/14
Filed: 1929-07-11
Abstract: 331,113. Babcock & Wilcox, Ltd., (Babcock & Wilcox Co.). July 11, 1929. Sinuous-tube superheaters for watertube boilers having a bank of inclined tubes 4 connected to downtake and uptake headers 3, 5 and circulating tubes 6 connecting the uptake headers with a steam and water drum 1, camprise tubes 12 which are expanded through the drum wall and con. nected by flanges to tubes 11 extending mto a dry pipe 8. The tubes 12 lie parallel with tubes 6 for a portion of their length and terminate beyond return bends 13 in a, cross header 14, both tubes and header being located in the space between tubes 4, 6. In a modification the superheater tubes are expanded in four rows of holes along the upper side of the. drum and are then bent twice at right angles so as to pass .between the circulating tubes near the drum after which they run in two horizontal rows as in the first embodiment.
Patent GB-312541-A (GB)
Title: Improvements connected with lock-nuts
IPC: F16B39/32
Filed: 1928-07-24
Abstract: 312,541. Hutchison, W. E., Field, J., and Holmes, P. July 24, 1928. No Patent granted (Sealing fee not paid). Locking nuts. - In a nut which is locked by the jamming of a grooved roller against the bolt threads, a hole 14 is provided through which a pin can be inserted to rock the roller into a position with its axis at right-angles to the thread. The release of the nut is thus effected, the grooves 8 on the roller 7 then lying parallel with the threads on the bolt.
Patent GB-382320-A (GB)
Title: Improvement in differential treatment of photographic images in different depths of an emulsion
IPC: G03C7/26
Filed: 1931-07-27
Abstract: 382,320. Photographic processes. TECHNICOLOR MOTION PICTURE CORPORATION, 110, Brookline Avenue, Boston, U.S.A.-(Assignees of Troland, L. T. ; 110, Brookline Avenue, Boston, U.S.A.) July 27, 1931, No. 21391. Convention date, Aug. 26, 1930. [Class 98 (ii).] For the differential treatment of images obtained in different depths of an emulsion (e.g. colour component images), the image layer is subjected to the action of an oxidizing agent having a certain speed of penetration (e.g. cupric bromide or a solution of iodine in potassium iodide), and the action is interrupted upon reaching the desired depth by a reducing agent having a greater speed of penetration (e.g. sodium bisulphite or ammonia). Following the above action the lower image can be toned with ferric sulphite or other iron toning solution and the upper image dyed with a dye having an affinity for silver iodide (e.g. safranine or fuschine). The process is applicable for the case of more than two superimposed images.
Patent GB-391452-A (GB)
Title: Improvements relating to coin-freed mechanism for gas and similar meters
IPC: G07F15/02
Filed: 1931-07-28
Abstract: 391,452. Prepayment mechanism for meters.. UNITED GAS INDUSTRIES, Ltd., 51, Lincoln's Inn Fields, SMITH, E. W., 186, Kennington Park Road, and CHARLES, A., Meter Works, Rowan Road, Streatham Vale, all in London. July 28, 1931, No. 21462. [Class 27.] Coin-action, thrust, and with delivery proportionate to value of coin.-In coinholder mechanism for gas and similar meters in which one or another of juxtaposed measuring wheels are actuated according to the value of the coin inserted, a tooth h<1>, as shown in the Figure, on a striker plate h is engaged alternatively with measuring wheels f, g, when a shilling or a penny is inserted respectively, the plate h being moved by a pin j<2> on a spring-controlled contact plate j which is pivoted at j<1> to the coin-pocket a and is actuated by the coin bearing against the coinholder casing e. The pin j<2> passes through a transverse slot h<3> in the plate h, and travels in a curved slot a<6> in a side wall of the coin pocket. The plate h has a pin i<2> travelling in guiding slots i, i<1> formed in the side walls of the coin pocket, the slots i, i<1> being vertical and being connected by an inclined portion, When a shilling is inserted, the plate h is moved radially until the pin i<2> reaches the bottom of the slot i, the tooth h<1>, in this position, engaging the measuring wheel f. When a penny is inserted, the tooth h<1> first moves radially, then recedes from the larger measuring wheels, and finally moves radially to engage the smaller measuring wheel, as the pin i<2> travels along the slot i, the connecting portion, and the slot i<1>.
Patent GB-152638-A (GB)
Title: Improvements in and relating to lubricating tubes
IPC: F16N7/12
Filed: 1920-07-16
Abstract: 152,638. Heitmann, M. J. Oct. 14, 1919, [Convention date]. Capillary-action lubricators.-A siphon tube for delivering lubricant from an oil cup is formed with a restricted inlet opening so that emptying of the tube when removed from the cup is prevented by surface tension and adhesion of the liquid. As shown, the suction end d of the tube is closed, and is formed with small lateral inlets b. External grooves c may be provided to keep the outer surface wet. When the tube is removed from the liquid, air bubbles e are formed and a drop f collects at the delivery end, but the tube does not empty itself. A wire sieve may be placed in the tube above the inlets b. In a modification, the tube is open at both ends and contains a wire or thread which is bent into loops at the suction end to form a restricted opening.
Patent GB-772913-A (GB)
Title: Improvements in thread clipping machines
Inventor: SMITH JOHN NORMAN
IPC: A41H31/00
Filed: 1954-07-23
Abstract: 772,913. Trimming fabric. PHILLIPS & SONS (MANCHESTER), Ltd. July 22, 1955 [July 23, 1954], No. 21502/54. Class 42 (1). [Also in Group XIV] A thread-clipping machine for trimming garments and the like comprises a suction head b provided with a perforated plate B<SP>1</SP>, Fig. 3, behind which rotates a rotary cutter whereby loose threads are drawn through the perforations in the plate and severed from the garment or the like by the cutter. The cutter comprises an arm B on a spindle b<SP>3</SP> driven by a flexible cable from a motor a, Fig. 1. A pair of blades b<SP>2</SP> are mounted on arm B by pins b 4 , b 6 , the latter being provided with springs and lock-nuts to determine the clearance between the blades and plate B<SP>1</SP>. A spring- loaded stop b 5  on arm B engages the inner face of plate B<SP>1</SP> to prevent the plate being pressed into contact with blades b<SP>2</SP>. The perforations in plate Bl may be in the form of concentric holes or of slots, and may taper from the front to the rear sides of the plate. Suction pipes c connect head b with a fan C. A table A<SP>1</SP> is provided for the garment being treated.
Patent GB-336574-A (GB)
Title: Process for the generation of intense photo-electric currents
IPC: H01J40/04
Filed: 1929-07-12
Abstract: 336,574. Ellis, G. B., (Soc. des Usines Chimiques Rhone-Poulenc). July 12, 1929. Vacuum tubes.-A gas-filled photo-electric cell has a cathode, an anode, preferably in the form of a straight wire, and an auxiliary electrode arranged near the anode and maintained at a fixed potential much lower than that of the anode so that it acts as a non-photo-electric cathode when the potential applied to the anode nearly reaches the luminous discharge potential. In an example, the cathode consists of a laver of potassium, and the anode and auxiliary electrode are in the form of straight parallel wires, a few millimetres apart, the anode being at a potential of 240 volts, and the auxiliary electrode at 120 volts.
Patent GB-713606-A (GB)
Title: Tool for applying edge reinforcement to paper making woven wire belts
IPC: D21F1/10
Filed: 1952-08-29
Abstract: 713,606. Strengthening fabric edges; wirecloths of paper making machines. LINDSAY WIRE WEAVING CO. Aug. 29, 1952 [Feb. 25, 1952], No. 21731/52. Classes 42 (1) and 96 The edges of the wire-cloth A of a papermaking machine are repaired and strengthened by placing a strip of plastic above and below the edges of the wire cloth A and applying heat and pressure so that the plastic flows into the interstices of the wire-cloth. The hand tool used has recessed press-plates 25 on arms togglepivoted at 12 to hold them in the closed position. Leads 15 running through one of the handles 1C supply the electric, heating elements which are encased so that they are not subjected to pressure in. ase.
Patent GB-781588-A (GB)
Title: Improvements relating to combined lamp and mirror devices
IPC: G02B23/08
Filed: 1954-07-26
Abstract: 781,588. Optical apparatus. HOLLOWAY, F. J., and VEALL, J. July 26, 1955 [July 26; 1954], No. 21753/54. Class 97(1) A device for inspecting dark and inaccessible places; comprises an elongated frame or casing 1 having a handle 13 towards one end, a reflector 2 adjustably mounted on the frame or casing towards its other end and an electric lamp 7 provided on the frame or casing intermediate the handle and the reflector, and supplied by a battery carried on or in the frame or casing. The battery located in the compartment 8 is controlled by a switch 12, the lamp illuminating the place to be viewed which is seen by reflection in the reflector. A second reflector may be similarly mounted on the casing 1 above the lamp. Alternatively the lamp may be located in the end of the casing and the reflector provided on a frame extending beyond such end.