baber/WOPTO huggingface dataset:
Patent GB-821974-A (GB)
Title: Improvements relating to guns having gas-operated bolt and carrier systems
IPC: F41A5/24
Filed: 1957-05-10
Abstract: 821,974. Gas-operated firearms. STONER, E. M. May 10, 1957 [Aug. 14, 1956], No 14999/57. Class 119 In an automatic gasoperated firearm, the rotary bolt 25, Fig. 4, is located within a bolt carrier 36 slidable in the receiver 10, the arrangement being- such that limited sliding movement is permitted between the bolt and carrier to effect the locking and unlocking of the bolt, and between the bolt and carrier is defined a chamber 37 into which the explosive gases resulting from firing are conducted directly from the barrel to cause retraction of the carrier 36 and unlocking and subsequent retraction of the bolt 25. As shown in Fig. 4, a gas passage 40 made of two tubes 42, 43 conducts the gas from a barrel port 41 to a port 39 in the receiver 10. In the breech locked position shown this pare 39 registers with a port 38 leading to the chamber 37. The bolt 25 has a projecting pin 34 which engages and travels in a helical .groove 35 in the carrier 36 which is keyed against rotation in the receiver 10. In the breech locked position lugs 31 on the bolt engage behind abutments 32 of the receiver 10. The bolt 25 carries a firing pin 50 which is urged to the co-operative position by a spring 51. On firing and as soon as the chamber 37 is filled with gas at the required pressure, the carrier 36 is driven rearwardly and the port 38 is disconnected from the port 39 as shown in Fig. 5 thus cutting off the supply of gas. At the same time the bolt 25 is caused to rotate and unlock the lugs 32 from the receiver and the bolt and carrier then move rearwardly together. The gas can then escape from the chamber 37 through chamber ports 38, 56 and slots 55, 52 respectively in the receiver. A spring (not shown) returns the carrier and bolt to the initial position. In a modification, Fig. 8, the gas is led from the barrel through a passage 40a into a fitting 71 in the receiver 10a. This fitting 71 forms a sliding fit with the carrier 36a and acts a piston in a cylindrical passage 72 leading to the chamber 37a. A coupling 46, Fig. 2, connects the barrel port 41 with the gas tube 43 and is bolted by a bolt 70 to the stock 2. The coupling serves as a projection whereby the stock 2 may be connected to the barrel 4. A hammer 14 operates the firing pin 50 and a magazine 17 comprising a follower 19 biased by spring 20 is held within the receiver by a locking finger 18.
Patent GB-108403-A (GB)
Title: Improvements relating to Electric Motor Controllers and like Apparatus.
Inventor: ELLISON GEORGE
IPC: H01H9/44
Filed: 1916-10-21
Abstract: 108,403. Ellison, G., and Anderson, J. Oct. 21, 1916. Magnetic blow-outs.-Blow-outs for use with the contacts b, c of motor controllers and other switches have a number of coaxial coils a mounted, so that like poles fall together, on a number of core sections d, each section extending approximately half away into an adjacent pair of coils. An air gap is left between the core sections or an insu. lating-disk is inserted. Pole-pieces f extend into the spaces between the contacts and are preferably covered with a non-conducting and non-combustible shield g. In a modification, as shown in Fig. 3, the iron core d is continuous and is surrounded by an insulating-sleeve. The pole-pieces are bent at one end and secured in contact with the sleeve.
Patent GB-728145-A (GB)
Title: Electromagnetic means for regulating the flow of molten metal through a tubular channel
IPC: G01F1/58
Filed: 1952-06-16
Abstract: 728,145. Regulating flow of fluids. ALLMANNA SVENSKA ELEKTRISKA AKTIEBOLAGET. June 11, 1953 [June 16, 1952], No. 15066/52. Class 135. [Also in Group XXII] Means for controlling the flow of molten metal through a substantially vertical channel 4 limited by a refractory wall, e.g. in continuous casting comprises a cylindrical or hollow prismatic polyphase winding 5 surrounding said wall, a polyphase current source feeding said winding, and means for regulating the voltage of said current source. For the most regular speed control the winding is preferably four phase, and the frequency is confined between narrow limits to give a maximum of force influencing the metal flow in the channel, the limits depending upon the dimensions of the channel, the optimum frequency being lower the wider the channel is. For channels of circular or rectangular cross-section the current and flux distribution therein can be calculated by means of Bessel's functions, or hyperbolic functions, respectively, and for other crosssections, by graphical methods. The winding 5 may be fed from 2 separate single phase sources, one of which has a regulatable and reversible voltage so that the direction of the longitudinal forces in the channel may be reversed. The winding is preferably surrounded by a laminated iron shell 16, Figs. 4 and 5, which may have projections extending between the phases of the winding or between individual turns thereof. One phase winding is divided into two parts forming the end coils of the complete winding. Specification 728,143, [Group XXII], is referred to.
Patent GB-584750-A (GB)
Title: Improvements in or relating to the treatment of metal articles
IPC: B21K21/06
Filed: 1944-08-09
Abstract: 584,750. Altering physical structure. BIRMINGHAM SMALL ARMS CO., Ltd., JANECEK, F. K., and WILSDON, S. C. Aug. 9, 1944, No. 15132. [Classes 83 (ii) and 83 (iv)] Making projectiles ; forging - dies.-In a method of making from a unitary metal blank an article having different portions of different degrees of hardness, an elongate blank having a base of greater cross-sectional area than the stem portion which has been hollowed out as by drilling is inserted in a die of such crosssectional shape that the stem portion of the blank is free to move laterally therein and then while the blank is at room temperature, applying pressure between opposed end faces of the blank to cause a lateral expansion of the stem into contact with the die. The invention is described in connection with the manufacture of a high velocity projectile. A blank comprising a uniform cylindrical portion 1 and a base portion 3 of greater diameter is drilled at 5 to form cylindrical shell which is placed in a hardened steel die 7. The die closely surrounds the base of the blank but leaves a clearance around the upper shell portion. If, for example, the portion 1 is 1 inch in diameter, a convenient diameter for the upper portion of the die opening would be 1.235 inches. A pressure of up to 55 tons per square inch is applied to the ends of the blank by a hardened steel punch 13 so that the hollow portion is expanded in cross-sectional shape to fit the die-opening, with a corresponding reduction of about 20 per cent in length. If the Brinnell number of the original blank was from 120-150, the work hardening of the hollow portion will raise the Brinnell number to the region of 260. After the localised hardening of the portion 1 the base 3 is hollowed out and notched or recessed around its periphery to form a collapsable skirt or driving band. The interior walls of the body portion are then machined to the form required. If the metal of the blank will not readily expand to the full extent at one operation it may be partially expanded in one die at a pressure of 35 tons per square inch followed by compression at 55 tons per square inch in the final die. Specification 563,391 is referred to.
Patent GB-1268262-A (GB)
Title: Paper napkins
Inventor: BARFRED NIELS GEORGE
IPC: D21H21/28
Filed: 1969-03-24
Abstract: 1,268,262. Coloured paper napkins. N. G. BARFRED. 24 March, 1970 [24 March, 1969], No. 15250/69. Heading B5N. [Also in Division A4] A coloured paper napkin consists of at least three plies of soft paper held together by an embossing along the borders, only the outer plies being coloured, the remaining being white. The outer layers may be in different colours. Rectangular napkins may be folded into a rectangular shape by a first fold not along a line bisecting the napkin and by a second fold perpendicular to the first and not along a line bisecting the once folded napkin so that a small corner of the inside of the folded napkin is visible after the two foldings. The napkins may be produced by carrying at least three webs of soft paper in super-imposed state, only the outer layers being coloured, over embossing rollers to provide longitudinal and transverse embossings which are spaced according to the desired dimensions of the napkins and then cutting the resulting multi-ply sheet into individual napkins by cuts along the centre lines of the embossings.
Patent GB-570681-A (GB)
Title: Improved method of and apparatus for electrically welding metals
IPC: B23K11/26
Filed: 1943-09-17
Abstract: 570,681. Uniting by fusion. STANDARD TELEPHONES & CABLES, Ltd., and GILLIVER, G. Sept. 17, 1943, No. 15279. [Class 83 (iv)]- [Also in Group XXXV] Electric conductors of similar or dissimilar metals are welded together or to terminal connections by discharging a condenser through the parts to be welded and a co-operating electrode so as to fuse the parts and so interrupt the circuit. Wires 12 to be welded are arranged side by side or twisted together in a carbon - lined lamp 11 connected to one terminal 10 of a bank of condensers 9, the other terminal 13 being connected to a carbon electrode 14 which can be moved into contact with the ends of the wires to discharge the condensers. In its normal position the electrode 14 engages a back contact 15 arranged in the charging circuit of the condensers, this circuit thus being opened when the electrode is advanced towards the-work. Charging-current for the condensers is obtained from an A.C. source 3 through a variable-ratio transformer 2 and rectifier bridge 8. The mains switch 4 in the primary circuit of the transformer has back contacts 19 arranged to connect a discharge resistance 18 across the condensers when the switch is open. A tapping-switch may be provided to connect one or more of the condensers 9 into circuit. Specifications 558,472 and 560,500 are referred to.
Patent GB-387337-A (GB)
Title: Electric glow discharge tube
IPC: G11B7/00
Filed: 1931-05-26
Abstract: 387,337. Discharge lamps. ROOS, L. H., 1107, North Lerrano, Los Angeles, U.S.A. May 26, 1931, No. 15446. Convention date, May 26, 1930. [Class 39 (i).] The cathode of a glow-discharge tube has a bar-like part 2 transverse to the longitudinal axis of the tube 12 and between the anode 1 and the light-emitting end 12<1> of the tube. The cathode is L-shaped and the anode 1 is a disc. The part 2 overlies a chord of the disc smaller than the diameter of the disc so that the edge of the glow about the cathode is central and opposite the recording slit in photographic sound recording. Tungsten leads 5, 6 swaged into holes in the electrode supports are inserted into fine glass tubes which are softened by heat, pressed about the leads and cooled before sealing in the pinch 17, sodium carbonate being used as a fusing agent. The leads 7, 8 in the re-entrant tube 13 are separated by a mica insulator 11. The bulb 12 may. be of silica glass and is filled with nitrogen, hydrogen, helium, neon, argon or krypton at 1-10 mm. The end of the bulb is supported on cement 18 in a cap 19 of phenolic condensation product. The anode and cathode are of tantalum or aluminium.
Patent GB-354853-A (GB)
IPC: H04N7/14
Filed: 1930-05-20
Abstract: 354,853. Television. ELECTRICAL RESEARCH PRODUCTS, Inc., 195, Broadway, New York, U.S.A.-(Assignees of Ives, H. E. ; 32, Laurel Place, Montclair, New Jersey, and Gray, F. ; 243, West 101st Street, New York, both in U.S.A.) May 20, 1930, No. 15486. Convention date, June 26, 1929. [Classes 39 (i) and 40 (iii).] A subject is scanned by a beam of light passing through a scanning disc and a hole 4 of a cabinet 1 so constructed that the reflected light is applied to banks of photo-electric cells 8 .. 17, 8<1> .. 171, Fig. 3 (not shown), 18 .. 21 arranged in different planes at the sides of, and above, the subject. For transmission in colour the cells are provided with blue, green or red filters, the cells having filters of the same colour being connected in parallel to an amplifier, and the signals being transmitted along three different channels. The walls of the scanning cabinet are translucent glass screens 33, formed of two sheets of glass, each sheet being plane on one side and ribbed on the other, and so united that the ribs are at right-angles. Light reflected towards the bottom of the cabinet is directed to the cells by mirrors 59. The received signals are applied to three glow lamps having colour filters appropriate to the channels and filled with argon or neon. The banks of cells may be mounted as illustrated, for two adjoining cells, in Fig. 2. The cells 8, 13 contained in a box member 22 are partially supported by layers 25, 26 of sponge rubber and are separated by a sponge rubber partition 24. The front of each cell compartment is closed by a coloured glass filter 31, and the cells are supported except at the front by sponge rubber bands 27 in the form of segments of a circle. Specification 286,262, [Class 40 (iii), Telegraphs, Electric], s referred to.
Patent GB-317902-A (GB)
Title: Improved composition for rendering the surfaces of walls and other surfaces and for decorative purposes, and method of making same
IPC: C04B28/02
Filed: 1928-05-26
Abstract: 317,902. Taylor, W. May 26, 1928. No Patent granted (Sealing fee not paid). Water paints. - A. composition for surfacing walls, tiles, panels, &c. comprises cement such as Portland cement, calcium chloride, potassium soft soap, china clay or aluminium silicate, with or without ground silica. The fluidity of the composition is adjusted by the addition of water. The cement may be coloured, and instead of soft soap as such, potash, or potash and soda together with oils or fatty acids may be employed.
Patent GB-627656-A (GB)
Title: Improvements in or relating to clinical thermometers
IPC: G01K1/08
Filed: 1947-06-12
Abstract: 627,656. Thermometers. PAGE, E..June 12, 1947, No. 15522.. [Class 97 (iii)] To facilitate re-setting by shaking of a clinical thermometer 1 it is secured at one end opposite the bulb to a cap 2 having a projecting end or stub part 3 connected by a resilient member such as a spring 4 to a knob-like handle 6 constructed for gripping between thumb and finger. The knob may have a neck portion 5 over which the spring is fitted. The spring 4 may be replaced by a leaf-spring or by rubber tubing or by solid rubber.
Patent GB-488325-A (GB)
Title: Improvements in or relating to upholstery padding
IPC: A47C31/00
Filed: 1937-06-05
Abstract: 488,325. Compound sheet materials. VAUGHAN, E. June 5, 1937, No. 15604. [Class 140] An upholstery padding comprises a backing a of coarse fabric such as hessian, a layer b of sisal hemp, and a facing layer c of relatively fine and soft fibrous material such as cotton felt secured together by stitching d. The backing a may extend beyond the other layers to facilitate tacking to a seat frame &c. Cotton felt is characterized by the retention of knots and coarse fibres and their partial consolidation with the finer fibres.
Patent GB-1465420-A (GB)
Title: Process for the manufacture of carbon disulphide
IPC: C01B31/26
Filed: 1975-04-16
Abstract: 1465420 Carbon disulphide RHONEPOULENC INDUSTRIES 16 April 1975 [17 April 1974] 15657/75 Heading C1A Carbon disulphide is prepared by the gas phase reaction of sulphur and one or more sulphur containing organic compounds of general formula RS n R<SP>1</SP> where n = 1 or 2, R = alkyl containing from 1 to 4 carbon atoms and R<SP>1</SP> = hydrogen or an alkyl group with from 1 to 4 carbon atoms, by passage of the reactant mixture at 450- 800 C. through a reactor wherein the reactant dwell time is from 1 second to 1 minute. Preferably a 30% (by weight) stoichiometric excess of sulphur is used in order to avoid side reactions. Methyl, ethyl, propyl and butyl mercaptans and dialkyl sulphides can be used as starting materials.
Patent GB-500286-A (GB)
Title: Improvements in or relating to rubber supporting members for elastically supporting vehicle and machine parts
IPC: B60G11/22
Filed: 1937-08-07
Abstract: 500,286. Resilient supports; railwayvehicle undercarriages. HARTER, L. Aug. 7, 1937, No 15698. [Classes 103 (vi) and 108 (iii)] A rubber support for engines, railway vehicles &c. comprises a circular or elliptical block of rubber having convex ends and a concave periphery, the ends being provided with cone-shaped depressions. The support, as applied to an engine unit Fig. 1, comprises two rubber members 5 with convex ends 3, 4 recessed at 6, 7 and supported in cups formed on an engine lug 2 and brackets attached to a fixed beam 8. In Fig. 6, a rubber block 11 is seated in cups formed on extensions of an axle box 18, corresponding cups being formed in brackets depending from the rail vehicle chassis 19. The concave periphery of the rubber member may be provided with a rib 11a adapted to contact with the side of the cup under lateral thrusts. The rubber member may be placed between the end of a spring shackle and the vehicle body or rigid arms 20, Fig. 7, from a railway vehicle axle may support the vehicle underframe 21 through rubber supports 11 mounted in cups 22 23 which are interconnected at 23b for relative movement.
Patent GB-144719-A (GB)
Title: Improvements connected with the manufacture of metallic diaphragms of electrolytic cells
IPC: C25C7/04
Filed: 1920-06-11
Abstract: 144,719. Pechkranz, R. June 12, 1919, [Convention date]. Diaphragms; moulds; preparing surfaces. - Metallic diaphragms for electrolytic cells are made by electro-deposition on a metal plate which has first been thinly oxidized and then covered with a plurality of insulating particles. According to one method, an insulating varnish is pulverized over the oxidized plate. A similar effect may be obtained by printing with insulating material. The nickel or other deposit on the plate thus prepared is found to be finely perforated and may be only a few hundredths of a millimetre thick. According to the Specification as open to inspection under Sect. 91 (3) (a), a fabric such as cotton, muslin, or silk may be rendered conductive for use as the cathode. This subject-matter does not appear in the Specification as accepted.
Patent GB-1240903-A (GB)
Title: Microwave devices for heating a dielectric material coating on an electric conductor
Inventor: SOULIER JOEL HENRI AUGUSTE
IPC: B29C48/90
Filed: 1969-03-26
Abstract: 1,240,903. Microwave heating. J. H. A. SOULIER. 26 March, 1969 [29 March, 1968], No. 15872/69. Heading H5H. Dielectric coatings, e.g. on a cable, are heated for vulcanizing or cross-linking in a microwave heater which comprises a tubular conducting casing 9 closed at its ends by conducting members 14, 15; at least two aligned conducting tubes 10, 11 spaced apart at their ends and arranged coaxially within the casing 9; means for passing the coated materials through the tubes so that they are dielectrically heated in the space 18 between the ends of tubes 10, 11; and a microwave generator 6 coupled to the coaxial waveguide formed by the tubes 10, 11 and casing 9. As shown, a wire 1 is coated in a device 3, 5 with a coating 2 prior to heating in the microwave heater. The microwave generator 6, e.g. a magnetron is coupled to the coaxial waveguide 9, 10, 11 by a rectangular waveguide 8 as shown or by a coaxial connector, Fig. 3 (not shown). The tubes are lined with P.T.F.E. liners 21 which reduce friction. Different sized replaceable liners 21 permit adaption of the heater to different sized cables. Axially adjustable P.T.F.E. rings on tubes 10, 11 enable the load to be matched to the characteristic impedance of the magnetron 6. Conducting buttons 12, 13 at the ends of waveguide 8 and conducting rings 14, 15 at the ends of casing 9 are axially adjustable for impedance matching. The device may be filled with nitrogen and a coated conductor may pass through a series of such devices.
Patent GB-566490-A (GB)
Title: Apparatus for teaching the rule of the road at sea and pilotage system
IPC: G09B19/16
Filed: 1943-09-28
Abstract: 566,490. Device for teaching the rule of the road at sea. WOOLLARD, C. L. A. Sept. 28, 1943, No. 15901. [Class 114] A device for teaching the rule of the road at sea and the pilotage system of a country comprises two or more models 3 of ships rotatably mounted on a platform 1 so as to be capable of being turned by hand to any desired course. For the latter purpose, toothed or other gearing 5 may be provided operated by knobs 7 mounted on a sloping front 2 of the platform 1. Navigation lights are fitted on the models which may also be provided with buzzers, electric switches 19 being disposed on the front 2 for the control thereof. Manually-set compass-cards may be mounted under each model. A disc 11 rotated by a knob 14 carries models 12 of different navigational buoys and is provided at its centre with an independently-rotatable spindle 15 with a pointer 16 to indicate the direction of wind or tide. Means may be provided for using one or more of the navigation lights or a special light for morse practice. According to the Provisional Specification, a miniature lighthouse may be mounted on the platform.
Patent GB-179452-A (GB)
Title: Improvements in pipe-wrenches
IPC: B25B7/10
Filed: 1921-06-09
Abstract: 179,452. Lindley, R. H. N., and Nash, T. F. June 9, 1921. Hand-grip wrenches.- Relates to an adjustable pipe wrench of the type consisting of a movable jaw member c of U-section embracing the flat shank b of the fixed jaw a and pivotally connected thereto by means of a cylindrical bearing member e, which is received in a circular hole d in the movable jaw member and carries a nut f engaging the threaded shank of the fixed jaw, and consists in forming the cylindrical bearing member of two semicylindrical segments h recessed at i on their meeting surfaces to provide the space g for receiving the adjusting- nut.
Patent GB-1219873-A (GB)
Title: Improvements in or relating to a packing case of the reinforced tray type
IPC: B65D6/00
Filed: 1969-03-27
Abstract: 1,219,873. Boxes. MUSSY. 27 March, 1969 [18 April, 1968], No. 16016/69. Heading B8P. A fruit-transporting tray having a base A, sides B and ends C, secured together by wires 3, 3a lying on battens 2, 2a, is reinforced by corner-stiffeners 5 (outside, Fig. 1) or 7 (inside, Fig. 2) which may be used for stacking.
Patent GB-1533603-A (GB)
Title: Methods of treating ribbed reinforcing steel rods
IPC: E04C5/03
Filed: 1976-04-21
Abstract: 1533603 Modifying physical structures of reinforcing rods OVAKO OY 21 April 1976 [22 April 1975] 16043/76 Headings B3V and B3A The fatigue strength of ribbed reinforcing steel rod for concrete is improved by shot pressing the rod. After peening, the rod is painted, as by cold spraying with zinc paint.