baber/WOPTO huggingface dataset:
Patent GB-881036-A (GB)
Title: Improvements relating to insulated electrical conductors
IPC: H01B13/30
Filed: 1958-01-28
Abstract: 881,036. Insulation of dynamo-electric machine windings. McGRAW-EDISON CO. Jan. 28, 1958 [Feb. 27, 1957], No. 2881/58. Class 35. A slot conductor is insulated with a wrapping comprising two layers of backing material, e.g. glass or cotton cloth, between which is sandwiched a layer of mica, the composite wrapper being stuck together during wrapping by a fugitive binder consisting of water or other volatile liquid which is subsequently driven off and replaced by a polymerizable resin. A surface-treating material compatible with the resin is applied to both surfaces before impregnation, for instance, water may contain in solution a surface treating substance e.g. methacrylate chromic chloride with or without ammonia. A plant for producing the composite wrapper is shown in Fig. 1, in which strips of backing material 21, 21A from rolls 20, 38 pass through optional ovens 25, 25A and are then wetted with the water in baths 23 before being placed under and over a strip of mica paper 30 at rolls 28, 29 and 36, 37 respectively, additional water being added at 33. The composite tape may now be stored wet for immediate use, or dried in an oven 42 to set the surface treating chromium complex to the tape materials, washed in a bath 45, and then dried in an oven 44 if it is desired to store in a dry condition. A modification is described in which mica flakes are used instead of, or as well as, the mica paper. The fugutive binder bath may include various surface treating materials, e.g. a solution of a vinyl silane and xylol, e.g. vinyl chlorosilane in carbon tetrachloride, or this may be applied in its vapour phase. After wrapping and shaping, the coil is dried by heat and then vacuum impregnated with a setting resin under pressure. During curing, the coil is wrapped in an impervious material and clamped in a jig, Fig. 5A, comprising portions 80, 82 and 81, 83 accommodating the slot part of the coil and having steam heating chambers S, further portions 90, 91 for the end turns and support blocks 93, 94 for the coil knuckles. Electric heating is also used. Suitable polymerizable monomers are mentioned as having two unsaturated C = C groups capable of vinyl-type addition polymerization, and mixtures, e.g. 95% monostyrene and 5% divinyl benzene, may be used. Numerous alternatives are mentioned.
Patent GB-451205-A (GB)
Title: System and apparatus for heating rooms
IPC: F24D3/14
Filed: 1936-01-30
Abstract: 451,205. Radiators for heating buildings. SQUASSI, G. C., 31, Via Alberico 11, Rome. Jan. 30, 1936, No. 2887. Convention date, Jan. 31, 1935. [Classes 64 (ii) and 64 (iii)] Buildings are heated by pipes embedded in the plaster, to which the heat is transmitted by metal wool. The heating pipe 1, Fig. 4, is welded to a sheet metal strip 3 which may be serrated as shown, or may be plain or provided with transverse cuts instead of slots. The pipe may alternatively be of oval section, and the metal strip may be replaced by transverse metal blades or wires welded to the pipe. The radiating elements may encircle the pipe, or the latter may be constituted by the metal strip itself bent in its central portion to form the pipe and welded along a longitudinal seam. In another alternative, Fig. 14, thick radiating ribs 5 may be used, and in another alternative, Fig. 18, the pipe 7 may be of U -section, welded to a flat radiating plate which may have any of the forms referred to above. In Fig. 21, the pipe 8 is of wider section where it joins the radiating plate. The pipe 1, Fig. 22a, is placed in a groove 15 in a plaster layer 13 on a wall 14, and the radiating plate 2 is covered, adjacent to the pipe, with a slip of insulating material 10, and then over its whole surface with metal wool 9. Wire netting 11 and plaster 12 are then applied, the plaster penetrating the metal wool. In Fig. 28a no radiating elements attached to the pipe are used.
Patent GB-1196831-A (GB)
Title: Improvements in or relating to Rolling Mills for Gold Rolling of Pipes.
Inventor: GRINSHPUN MARK IZRAILEVICH
IPC: B21B45/02
Filed: 1968-01-19
Abstract: 1,196,831. Rolling tubes. M. I. GRINSHPUN, I. I. DOBKIN, V. A. MIRONENKO, G. F. KURENKOV and L. V. MIKHAILOV. 19 Jan., 1968, No. 2999/68. Heading B3M. A tube rolling mill includes an arrangement for feeding lubricant into hollow billets before they are rolled. The billets are held on a table E and are individually moved by feeders 2 into a trough, Fig. 2, formed by a guide 14 and a strip 16, prior to rolling in a stand B. A lubricant injector 4 (Fig. 4, not shown), which is carried by a pusher 13, is moved to the right until it contacts a batcher 9 (Fig. 5, not shown), such contact forcing lubricant from the batcher into a cavity of the injector. The injector is moved to the left against the end of a billet in the trough, and lubricant is forced into the end of the billet upon contact of the billet with a spring loaded stop 3. The injector is retracted to the right the charged billet is lowered to a rolling axis "a-a", and a mandrel inserted in the billet, thus distributing the lubricant through the billet. A holder D for the billet is then fed and rotated by a mechanism C for rolling of the billet.
Patent GB-437719-A (GB)
Title: Improvements in and relating to binding materials, in particular hydraulic binding materials
IPC: C04B28/26
Filed: 1934-01-29
Abstract: Schist-like materials or materials splitting into flake form are ground with cement clinker or the clinker of other hydraulic binders. In addition, water-soluble alkali silicates, humic acid-e.g. as brown coal-and alum may be ground with the clinker. The schist-like and other materials may be prophyroides, flake porphyre, streaked porphyre, crystalline schist, micacious schist, talc schist, chlorite schist, serpentine schist, bituminous schist, hornblende or gneiss stone.  In an example, 700 kg. of clinker, 285 kg. of bitumen-containing schist material, 12 kg. of waterglass having a 1 : 4 proportion of Na2O to SiO2 and 3 kg. of alum are milled in a heated ball mill until at least 95 per cent passes through a 4900 mesh sieve.  Comparative results of tests made on specimens of the resulting material are given.
Patent GB-926926-A (GB)
Title: Improved process and apparatus for the manufacture of chain-link wire net
IPC: B21F27/04
Filed: 1961-01-26
Abstract: 926,926. Making chain-link wire mesh fabric. G. T. ANGELI. Jan. 26, 1961 [Feb. 12, 1960], No. 3050/61. Class 83 (4). A process for making chain-link wire mesh fabric comprises feeding a second helical wire section adjacent and parallel to a like first wire section, which joins the end of fabric being made, and maintaining it in this position as a third helical wire is passed from one end between said second and first wires to engage the turns thereof and form the fabric. A wire helix 2<SP>1</SP> is formed on a rotated mandrel M<SP>11</SP> and pushed therefrom by a helical thread K<SP>11</SP> in a hollow guide in which the mandrel rotates. Cutters Z<SP>11</SP> then sever the helix 2<SP>1</SP> from wire still on the mandrel when the latter has stopped rotating after a predetermined number of turns. Rake members D then push the helix 2<SP>1</SP> to a position adjacent a helix 2 previously formed on the mandrel M<SP>11</SP> and pushed to a position in line with a mandrel M<SP>1</SP> where the helix 2 is held in position by rake members B and C and the helix 2<SP>1</SP> by rake members A. The mandrel M<SP>1</SP> is then rotated to form and feed a helix 1 between the helices 2 and 2<SP>1</SP> to link them together, the helix 1 being then severed by cutters Z<SP>1</SP>. The rakes B are then lowered to allow a weight Q acting on the completed fabric R to pull the helices 2 and 1 forwards, the helix 2<SP>1</SP> being retained in position by the rakes C. The rakes A also serve to feed the formed fabric forward. A helix 2<SP>11</SP> formed on the mandrel M<SP>11</SP> simultaneously with the forming of the helix 1 on the mandrel M<SP>1</SP> is then moved up by the rakes D to a position adjacent the helix 2<SP>1</SP> to be connected thereto by a helix 1<SP>1</SP> from the mandrel M<SP>1</SP>.
Patent GB-304488-A (GB)
Title: Improvements in and connected with barless fire-grate fitments
IPC: F24B1/193
Filed: 1928-02-02
Abstract: 304,488. Kirby, J. I. Feb. 2, 1928. Grates: ash-guards. -In a barless fitting for attachment to a grate, of the kind comprising a base. a, raised front and sides a<2>, a<3>, and vertical faces a<4> abutting against the grate jambs, such for example as that described in Specification 10622/13, an adjustable leg d resting on the hearth is provided at each side. The legs shown have slotted top portions for purpose of adjustment, and lower portions of angle section, the inner flanges d<4> of which converge towards one another in a forward direction in order to retain an ash-guard g of resilient sheet-metal, the ends g<2> of which are sprung between.them.
Patent GB-539547-A (GB)
Title: Improvements in or relating to camouflage screens and the erection thereof
IPC: F41H3/00
Filed: 1940-02-21
Abstract: 539,547. Shelters for aircraft; camouflage screens. DYSON, F., and CARTER, W. M. Feb. 21, 1940, No. 3292. [Class 20 (i)] A camouflage screen for use in screening aircraft on the ground comprises a pair of frame members 10 hinged to the ground in spaced relationship and a length of screening material 26 associated with each frame, the lengths of material being coupled together at the ends between the frames and the other ends being secured to the ground by resilient members 30, so that the frames are in a substantially vertical position with a clear space between and a triangular section space at each side. Each length of screening material comprises longitudinal parallel wires 24 with a network backing for laterally as desired. The upper cross member of the frames are provided with spigot and socket connections 23, 22 for joining to adjacent frames, so that the screen may be extended laterally as desired. The upper cross member of each frame is provided with spikes or projections 17 .to .engage with the network backing. The cables supporting the screen may be provided with safety means which enable them to part when the strain upon them reaches a pre-determined value.
Patent GB-468797-A (GB)
Title: Improvements in or relating to electrical socket couplings or socket outlets and switch-socket combinations
IPC: H01R13/703
Filed: 1936-02-04
Abstract: 468,797. Two-part couplings. CRABTREE & CO., Ltd., J. A., and McLOUGHLIN, H. F. Feb. 4, 1936, No. 3300. [Class 38(i)] The current - carrying socket tubes d, provided with springs a<2>, b2 carrying contacts a<1>, b<1>, are only connected to the terminals c when the earth pin of a three-pin plug engages an extension e<2> on a slide e displacing it away from the socket tube e<1> and urging the springs a<2>, b2 towards the contact plates a, b connected to the terminals c.
Patent GB-751626-A (GB)
Title: Improvements in disc brakes for wheels
IPC: F16D55/00
Filed: 1954-02-05
Abstract: 751,626. Disc brakes. SOC. D'INVENTIONS AERONAUTIQUES ET MECANIQUES S.I.A.M. Feb. 5, 1954 [June 5, 1953], No. 3464/54. Class 103 (1). In a disc brake for wheels, the friction pads are mounted on axially movable, non- rotatable, annular webs which are imperforate, apart from the holes provided to accommodate guide means. The wheel 1 is mounted for rotation about a fixed axle shaft 2 on bearings 3. Surrounding the hub 4 of the wheel is a sleeve 4 fixed to the axle and formed with flanges 6 and 7; the purpose of the sleeve 5 being to shield the bearings 3 against the heat generated by the braking action, substantially as described in Specification 686,582. A pair of axially movable brake discs 8, 8a are loosely mounted on the sleeve 5 and fastened to the wheel rim by means of bolts 9. Secured to the flange 6 is a web 10 carrying a pair of friction pads 11 which are arranged diametrically opposite each other. Arranged between the pair of rotatable discs 8, 8a is a web 12 which carries on each side a pair of diametrically opposed friction pads 13. Opposite the other side of disc 8a is similarly mounted a web 14 which is provided on its inside with a pair of diametrically opposed friction pads 15. The webs 12 and 14 are formed with notches or holes 16 and 17 respectively through which project guide bolts 18 fixed relative to the axle shaft 2 to enable the webs 12 and 14 to move axially. Keyed on shaft 2 and pressed against the flange 7 is a bridge 19 either end of which carries a piston and cylinder actuating device 20 to move the web 14 to the right when the brake is applied. As shown in Fig. 3 the friction pads 13 are carried by an annular web 12, the annular webs absorbing and dissipating much of the heat generated on braking. Where considerable amounts of heat are to be dealt with, the webs may be provided with peripheral ribs projecting to either side thereof to prevent warping. The web 12 may be goffered or corrugated, or formed with radial or concentric ribs, or with blades.
Patent GB-1047083-A (GB)
Title: Improvements in or relating to the manufacture of fine grain metallic carbides
Inventor: CLAR EDITH
IPC: C01B31/30
Filed: 1964-01-28
Abstract: A carbide of V, Ti, Ta or Nb having a sub-micronic grain size and containing as possible impurities only the oxide of the metal and/or free carbon is prepared by passing a mixture containing M2 and a hydrocarbon containing at most 3 carbon atoms per molecule over an oxide of the appropriate metal at a temperature between 650 DEG  and 1050 DEG  C. CH4 is the preferred hydrocarbon. The metal oxides may be prepared previously by pyrolysis, in an inert or reducing atmosphere, of a less stable compound of the metal e.g. a hydroxide, an ammonium or complex mineral salt or an organic compound. This atmosphere may also comprise H2 and CH4 and the pyrolysis temperature is not more than 500 DEG  C. In one embodiment Me pyrolysis and carburization are carried out successively in a fixed or fluidized bed, the gases being recycled after the latter step.  The carbides may be incorporated with metals, metal oxides and alloys in articles and may also be used as catalysts or catalyst supports and in catalytic mixtures.
Patent GB-392673-A (GB)
Title: Improvements relating to valve mechanism for the control of gas supply to burners
IPC: F16K17/00
Filed: 1932-02-08
Abstract: 392,673. Fluid-actuated valves. EVERED & CO., Ltd., Surrey Works, Smethwick, and GEE, A., 130, Clarence Road, Handsworth, Staffordshire. Feb. 8, 1932, No. 3645. [Class 135.] A valve device for controlling the gas supplies to main and pilot burners and actuated by the supply pressure acting on a diaphragm has the byepass supply controlled by a loose ball valve 20 adapted to be pushed aside, to open the passage, by the main valve member 11 as it approaches its seat. The main valve is spherical in form and is mounted on a spindle 11a secured to a diaphragm 10 clamped between fibre washers 17 by a removable cap 16. An additional byepass 22 controlled by a needle valve 23 may be arranged in parallel with the byepass controlled by the ball valve.
Patent GB-1208021-A (GB)
Title: Improvements in or relating to yarn supplying means for knitting machines
Inventor: COOKE ALBERT EDWARD
IPC: D04B15/48
Filed: 1967-01-25
Abstract: 1,208,021. Knitting-machines. NEWMARK INSTRUMENTS Ltd. 15 Jan., 1968 [25 Jan., 1967], No. 3717/67. Heading D1C. A yarn feeding device for a knitting machine comprises a pair of rollers 10, 11 between which the yarn is gripped and which are driven by a band 17, chain or the like engaging reduced diameter parts 10c, 11c in an 'S' shaped path. Feeding devices at each station of a multi-feed machine are driven by a common endless band. Several yarns may be fed between each pair of rollers, and guides associated with the rollers are adjustable axially of the rollers to aid setting-up or allow rear-positive yarn feed.
Patent GB-430044-A (GB)
Title: Improvements in or relating to reversible power transmission gear with special reference to starting gear for internal combustion engines
IPC: F02N11/04
Filed: 1934-02-05
Abstract: 430,044. Gearing varying in ratio as drive is applied to one or other end shaft ; turning-gear. BITHELL, W. J., Tudor Cottage, Mulgrave Road, Sutton, Surrey. Feb. 5, 1934, No. 3764. [Class 80 (ii)] [See also Group XXVII] In a power-transmission mechanism applicable to engine turning-gear, in which shafts 3, 4 are automatically coupled either directly or through reduction gearing according as one or other shaft is the driving shaft, a floating clutch ring 6 slidably splined on the shaft 4 has oppositely facing radial ratchet teeth on its lateral surfaces, for engagement respectively with corresponding teeth 13 on a disc integral with a pinion 8 mounted directly on the shaft 3, and on a gear wheel 12 connected to the shaft 3 through gearing 11, 9, 8. The shaft 3 may be that of a dynamo-electric machine and the shaft 4 may be coupled to an engine shaft directly or through the cam shaft or timing gear, so that the dynamoelectric machine can be used as a motor to drive the engine through the reduction gearing for starting purposes and is then driven directly at engine speed as a generator. When the shaft 3 is the driver, the ring 6 is forced by the inclined faces of the ratchet teeth into engagement with the clutch teeth of the gear 12, and when the engine starts and the shaft 4 drives, the ring 6 is forced into engagement with the teeth 13 on the pinion 8. As shown, the gear 12 is yieldingly positioned by a spring 17 and is mounted on rubberbushed bolts 16 on a central spider portion 14.
Patent GB-1095007-A (GB)
Title: Abrasive product
IPC: B24D11/02
Filed: 1966-01-27
Abstract: An abrasive product comprises adherent layers in order, the layers being a layer of a thermosetting polymer having abrasive particles embedded therein; a layer of fibrous material; a layer of a polyolefin; and a film of a linear polyester of terephthallic acid, the surface of the film adjacent to the polyolefin layer having been treated to improve its adhesive power to the polyolefin layer.  The base layer may be of polyethylene terephthallate which has been biaxially oriented.  Condensation products of terephthallic acid and at least one glycol selected from polymethylene glycols having 2 to 10 carbon atoms and 1,4-cyclohexane-dimethanol may be used as well as polyesters formed by ester exchange bwtween a glycol having 2-10 carbon atoms and a dialkyl ester of terephthallic acid wherein the alkyl group has 1-4 carbon atoms.  The layer may be 2 to 15 mils thick. The polyolefin layer may be of 1-3 mils thickness and may be applied by solvent casting, melt extrusion or by laminating a preformed sheet of the polyolefin to the base layer under heat and pressure.  The layer may be of polyethylene, polypropylene or polyisobutylene. Copolymers of alpha-olefins may also be used. The surface of the polyester film may be treated by priming the surface with titanium acetylacetonates, e.g. tetra-isopropyltitanate. The polyolefin film may be treated prior to or after the application of the fibrous layer by flame, electrical discharge or chemical means. The fibrous film may be cotton cloth, non-woven cotton fabric, scrim or paper such as toilet tissue.  The thermosetting polymer may be, e.g. a phenol-formaldehyde, urea-formaldehyde, melamine-formaldehyde, furfural-formaldehyde, resorcinol-formaldehyde epoxy resins, polyurethane and animal glue.  The abrasive particles may be feldspar, aluminium oxide, garnet, silicon carbide ferric oxide and silica of mesh size, e.g. No. 500 to No. 20.
Patent GB-621239-A (GB)
Title: Improvements relating to electric accumulators
IPC: H01M50/466
Filed: 1947-02-10
Abstract: 621,239. Batteries. CHLORIDE ELECTRICAL STORAGE CO., Ltd., and GRAY, R. Feb. 10, 1947, No. 3814. [Class 53] Each plate of a storage battery is separated from an adjacent plate by a sheet of insulating material which is folded round the plate along one edge, the opposite edge of the plate being left uncovered, the sheets folded round the positive plates a being of glass felt and the sheets round the negative plates b being of ribbed microporous rubber or plastic material. The glass felt sheets may be held together by a soluble or insoluble binder, the fold c being reinforced by rubber latex or synthetic resin.
Patent GB-727133-A (GB)
Title: Electron discharge device for visually indicating voltages
IPC: H03J3/14
Filed: 1951-02-16
Abstract: 727,133. Cathode ray tubes. STANDARD TELEPHONES & CABLES, Ltd. Feb. 16, 1951 [Feb. 28, 1950], No. 3818/51. Class 39 (1) In a visual tuning indicator having a bowlshaped anode 2, Fig. 2, coated with luminescent material and surrounding a rod cathode and deflecting electrode 3, the cathode is eccentrically arranged with respect to the anode, as shown, and/or the luminescent coating has a zig-zag edge, Fig. 3, so that for a given variation in deflector voltage the movement of the ends of the luminous sector edges is actually or effectively increased. The shadow edges are at 7, 9 for small signals and at 8 for large signals, and intersect the anode or the luminescent coating obliquely at least for small sgnals. The anode section may be boat shaped and the deflector 3 is of oval or elliptical cross section and is inclined away from the cathode to ensure that the shadow edges are straight. There may be a control grid (not shown) surrounding the cathode. In Fig. 3, the dimensions of the zig-zag 10, 11, 12 need not be uniform all round the anode. Dimensions of examples are given. The tubes may be used for the measurement of voltage changes.