baber/WOPTO huggingface dataset:
Patent GB-1241323-A (GB)
Title: Apparatus for stripping web material from rolls
Inventor: SMITH WILLIAM GEORGE SPEAR
IPC: B26D1/04
Filed: 1968-03-14
Abstract: 1,241,323. Stripping rolled material. W. G. S. SMITH, and W. G. S. SMITH. 14 March, 1969 [14 March, 1968], No. 12502/68. Heading B4B. Apparatus for stripping web material from a roll, e.g. of paper for repulping, comprises a frame 1-8, an arm structure 15 pivotable about a first horizontal axis 16 on the frame 1-8, means 11, 12 for locating the roll on the frame with its axis spaced from and parallel to the first axis 16, and stripping means on the arm structure 15 positioned substantially the same distance from the first axis 16 as is the roll axis during stripping, the stripping means being movable axially of the roll by driving means. Stripped paper falls through an opening "A" leading to a re-pulping machine (not shown). The frame 1-8 includes a rocker assembly 2 pivotable on pins 6 under the control of air cylinders 13, so that after engagement by lips 10 under the ends of a core shaft projecting from the roll, the roll may be raised to be rolled freely into position at the clamping means 11, 12. The stripping means comprise plough blades 23 carried on an endless belt 22 drivable by a motor 25 to produce a series of surface rips, e.g. of about 1/16 inch depth, as the arm structure 15 is lowered towards the roll axis. Dashpots 28 supporting the arms 15 are controlled by valves 33-35 governing fluid flow from an air-oil tank 29 having a three-way valve 30 linked to a compressed air source, the arm structure 15 being so balanced that the rate of movement of the stripping means towards the roll axis increases as the roll radius decreases.
Patent GB-374218-A (GB)
Title: Improvements in and relating to measuring instruments
IPC: G01R11/60
Filed: 1931-04-28
Abstract: 374,218. Indicating maximum movements. INTERNATIONAL GENERAL ELECTRIC CO., Inc., 120, Broadway, New York, U.S.A.-(Assignees of Allgemeine Elektricitõts-Ges.; 2, Friedrich Karl-Ufer, Berlin). April 28, 1931, No. 12517. Convention date, April 29, 1930. [Class 106 (iv).] A maximum indicator for measuring instruments has an indicator spindle e connected to a spring-controlled gear d adapted to be periodically connected to the spindle of the meter through 'a gear a on an oscillable lever b which is held in the engaged position by a spring c in conjunction with a bent arm m on a second oscillable lever h which arm m engages a pin k on the first lever when the second lever is operated. Disengagement is effected by oscillation of the second lever h on which a pin i engages a notch n on an extension of the lever b. The lever h may form the armature of a relay which is energized and de-energized periodically.
Patent GB-1375526-A (GB)
IPC: H02G15/08
Filed: 1973-03-15
Abstract: 1375526 Line balancing equipment FELTEN & GUILLEAUME KABELWERKE AG 15 March 1973 [19 April 1972] 12624/73 Heading H4R  An arrangement for the transposition and capacitive equalization of quad groups to provide balance in a low frequency communications cable includes a connecting element 1 having two rows of contacts and which accommodates a circuit panel 8 carrying equalizing capacitors. The contacts of one row are connected to respective cores of an incoming cable 3 and to respective insulated wires 4, while the contacts of the other row are connected to respective cores of an outgoing cable 6 and to respective insulated wires 7. The free ends of the wires 4 and 7 are interconnected to provide the required transpositions between the positions of the cores  in the incoming and outgoing cables. Preferably the circuit board 8, as well as providing mountings for the equalizing capacitors, has a row of contacts 11 on one edge of the board which are connected to corresponding contacts on the other edge of the board, the contacts on one edge of the board mating with one of the rows of contacts in the connector 1 to provide connection to the cable cores, while the contacts on the other edge are used to connect the cores, via a connector 9, to a measuring apparatus for deciding and checking the equalization.
Patent GB-423579-A (GB)
Title: An improvement in the manufacture of steel
IPC: C21C7/00
Filed: 1933-05-01
Abstract: In deoxidizing steel by a method in which the molten steel is vigorously mixed with a molten very fluid slag having a high dissolving power for oxides, the steel is recarburized before treatment with the slag.
Patent GB-1082627-A (GB)
Title: Pivoted sliding sash window
IPC: E06B3/50
Filed: 1965-03-25
Abstract: 1,082,627. Pivoted sliding sash windows. L. BAUDISSON. March 25, 1965 [March 26, 1964], No. 12658/65. Heading E1J. A pivoted sliding sash window comprises two pivoted sliding sashes 2, 3 balanced against each other by a balance lever 9 at each side, internal sealing strips 4 mounted across the top and down both sides of the lower sash 2 and strips 6 across the top and bottom and part way down each side from the top of the frame 1 and external sealing strips 7 mounted across the bottom and up both sides of the upper sash 3 and external sealing strips 8 across the bottom and part way up each side from the bottom of the frame, the balance levers 9 each having cutaway portions 10, 11 to receive, in the extreme open position of the window, the adjacent ends of those portions of the sealing strips 8, 5 mounted on the sides of the frame. Each lever 9 has an enlargement 12 at its pivot to fill the gap at the meeting edges of the covering strips 5 and 4, 7 and 8, in the fully closed position of the window, which gaps are due to the difference in widths of the levers and sashes.
Patent GB-1275886-A (GB)
Title: Injection lasers
Inventor: SELWAY PETER RICHARD
IPC: H01S5/30
Filed: 1971-05-03
Abstract: 1275886 Lasers STANDARD TELE. PHONES & CABLES Ltd 3 May 1971 12675/71 Heading H1C To obtain a higher peak pulse power output from a semi-conductor laser 1, at least one cleaved reflecting surface 3 has its reflectivity reduced by applying a reflection-reducing coating 7. In the GaAs laser shown, the opposite cleaved surface 2 has its reflectivity enhanced by an aluminium coating 5, an intermediate layer 6 of alumina being provided to prevent short circuiting. The reflection-reducing layer may be silicon monoxide for coupling the laser output into air or vacuum, and zinc sulphide for coupling into glass such as an optical fibre. A theoretical analysis is given.
Patent GB-759084-A (GB)
Title: A method of and apparatus for controlling the amount of molten metal flowing into the mould in continuous casting plants
IPC: B22D11/18
Filed: 1954-05-03
Abstract: 759,084. Continuous - casting machines. BOHLER & CO., AKT.-GES., GEB. May 3, 1954 [May 2, 1953], No. 12806/54. Drawings to Specification. Class 83 (1). In pouring-apparatus for continuous-casting plants, the flow of molten metal is controlled by the application of a jet of gas of a variable pressure, directed against the flow of metal in the pouring channel. The gas is preferably an inert gas, and may be acetylene with added oxygen so that its heat of combustion prevents the metal freezing in the outlet while being dammed by the gas.
Patent GB-290043-A (GB)
Title: Improvements in alternating current induction motors
IPC: H02K9/16
Filed: 1927-05-12
Abstract: 290,043. British Electric Plant Co., Ltd., Maudling, A. W., and Clarke, H. B. May 12,1927. Armatures and field magnets, cooling; motors, cooling; insulation.-An alternating current, induction motor has an enclosed stator and an open rotor provided with a fan for circulating cooling air through it, the stator windings being enclosed in air or solid insulating compound, ventilating air ducts being provided in the stator so disposed that the air passing therethrough cannot come in contact with stator windings. The rotor B is of the squirrel cage type and air is drawn through by a fan D mounted on the shaft. The stator is formed with axial passages E through which air is drawn by the fan. The end windings F are entirely enclosed by metal sheaths H fitting tightly in grooves in thickened end plates J of the stator core and drawn up tightly by bolts P, a hard setting adhesive being applied to the abutting surfaces. The slot portions of the windings Fare enclosed in waterproof insulating tubes K, the ends of the tubes are sealed with an insulating waterproof compound, and the slot openings and the ends of the slots are sealed with suitable cement. The chambers G may be filled with insulating compound or retained as air enclosures in which case a drain pipe M, M' and an opening M<2> are provided for the discharge of any water that may collect in the chambers. Specification 221,838 is referred to.
Patent GB-473209-A (GB)
Title: Process of and apparatus for the production of magnesium
IPC: C22B26/22
Filed: 1936-05-07
Abstract: The process described in the parent Specification for the production of magnesium in an electric furnace is modified by carrying it out as a batch process, the charge being arranged to remain stationary longitudinally of the furnace while being agitated, instead of travelling past the heating means.  The process may be carried out in the rocking furnace described in Specification 450,064, [Group XI], or in a horizontal stationary furnace provided with agitators, or in a rotary drum or tube furnace wherein the heating means are disposed along the axis of the furnace.
Patent GB-549723-A (GB)
Title: Improvements in paving, flooring and like tread surfaces
IPC: E04F15/12
Filed: 1941-10-10
Abstract: 549,723. Concrete compositions. STANDARD PAVEMENTS CO., Ltd., and ANDERSON, J. C. Oct. 10, 1941, No. 13070. [Class 22] [Also in Group X] A resilient, shock absorbing and soundinsulating floor is formed, by first spreading a mixture with water of granite or stone chips, pumice, washed sand and Portland cement, and after it has partly dried, spreading over it a mixture with water of granite or stone chips, calcite or other sand and Portland cement.
Patent GB-786378-A (GB)
Title: Swing gate valve
IPC: F16K3/06
Filed: 1955-05-05
Abstract: 786,378. Valves. VOLPIN, A. S. May 5, 1955, No. 13076/55. Class 135. A valve comprises a casing 10, Fig. 1, having a transverse chamber 18 housing a gate member comprising a pair of elements 51, 52, Fig. 2, in contiguous edge-to-edge contact mounted on a stem 20 for swinging movement between removable seat members 27, 27a mounted, respectively, in a casing bore 17 and a spacer sleeve 43, the sleeve being mounted in an enlarged casing bore 16 to permit the separate removal of the elements 51, 52 after removal of the stem 20. An annular space 31 between.the member 27 and the casing and an annular space 31a between the member 27a and the sleeve 43 form lubricant reservoirs closed by annular pistons 32 subjected to the pressure in the chamber 18. When the valve is closed, inlet pressure acting on the element. 52 urges this element against the downstream seat and permits slight leakage into the chamber 18 to create the pressure to urge the pistons 32 apart to expel lubricant from the reservoirs through passages 38 into arcuate grooves 61 on opposite faces of the element 52. The grooves 61 bridge arcuate grooves 36 in the seating surfaces of the members 27, 27a to form complete lubricating grooves.
Patent GB-561703-A (GB)
Title: Improvements in or relating to gauging apparatus
IPC: G01B5/00
Filed: 1942-09-17
Abstract: 561,703. Linear dimension gauges. SHEFFIELD CORPORATION. Sept. 17, 1942, No. 13129. Convention date, Nov. 12, 1941. [Class 106 (ii)] A gauging apparatus for determining a dimension of a rotating work-piece comprises a support, a feeler arm yieldingly urged to maintain a member thereon against the work-piece, the arm being mounted for movement axially of the work-piece and for pivotal movement, and means for adjustably fixing the feeler arm to a second arm to vary the angle between them, the said second arm engaging the plunger ' of an indicating unit. The invention is shown in Figs. 1 and 2, as applied to a grinding machine with a head stock 12 carrying a workpiece 11 and having a grinding wheel 14. The machine structure 10 carries a support 16 including a body portion 18, a web portion 19 and an indicating gauge housing 20. A shaft 36, which is rotatably and axially movable in the body portion 18, carries the hubs 35 and 37 of a feeler arm 27 and the gauge operating arm 26. The hub 37 is keyed to the shaft 36 while the hub 35 is rotatable thereon and can be adjustably secured to the hub 37 by segmental slots 43 and screws 41. The work engaging member comprises a stud 29 on a rod 31 secured within a clamp 32 on the end of the arm 27. The arms are urged in a clockwise direction, Fig. 1, by means of a spring 45. The arm 26' is formed with an extension 48 having a' hardened surface 49 for engaging the operating member 25 of the gauge. To permit a new work-piece to be applied to the machine, the arms are moved to an inoperative position by imparting a rotational and axial movement to the shaft 36, thereby disengaging a stop pin 60 on the body portion 18 from an enlargement at one end of a slot 61 in the shaft and into engagement with an enlargement at the. other end. The gauging mechanism in the housing 20 may be similar to that described in Specification 543,806, the electric contacts associated with the gauge operating member 25 being arranged in circuits which include means to control the operations of the machine.
Patent GB-747534-A (GB)
Title: Improvements in two-stroke internal combustion engines
Inventor: MENNESSON ANDRE LOUIS
IPC: F02D9/00
Filed: 1954-05-05
Abstract: 747,534. Spray carburetters: regulating; auxiliary air admission; timing ignition. SOLEX. May 5, 1954 [June 17, 1953], No. 13140/54. Classes 7(2), 7(3), 7(4) and 7(6) A two-stroke crankcase compression engine comprises means responsive to the variations of the maximum or minimum pressure occurring in the crankcase on each cycle for controlling means influencing the operation of the engine. In Fig. 1 the pressure in the crankcase is transmitted through a pipe 20 containing a non-return ball valve 21 to a chamber 18 containing a spring-loaded diaphragm 17 attached to a needle valve 16 controlling a supplementary fuel jet 15 in a carburetter 10 supplying fuel-air mixture through a pipe 9 to the crankcase. On the first down-stroke of the piston 2 the pressure in chamber 18 rises to the maximum crankcase pressure and is maintained at this pressure throughout the remainder of the cycle by closing of the ball valve 21. On subsequent strokes the valve 21 is only opened if the maximum crankcase pressure exceeds the pressure in the chamber 18 so that the pressure in chamber 18 varies with variations in the maximum pressure on each cycle in the crankcase and operates the diaphragm 17 to vary the richness of the fuel-air mixture. A bleed orifice 22 permits a, gradual reduction in the pressure in chamber 18 if the value of the maximum crankcase pressure decreases. In a modification the diaphragm 17 is responsive to the minimum pressure in the crankcase on each cycle. In a further modification, Fig. 2, the diaphragm 17 controls a valve 23 in an auxiliary air intake passage 24 leading into the induction pipe 9 and in another modification the diaphragm 17 actuates an ignition timing device. In a fuel injection engine the pressure-responsive device may control the quantity of fuel injected or the time of injection.
Patent GB-832980-A (GB)
Title: Improvements in and relating to multi-purpose machine tools
IPC: B24B27/00
Filed: 1956-04-30
Abstract: 832,980. Multi-purpose lathes &c. SCHIESSL & CO. G.m.b.H. April 30, 1956 [May 3, 1955], No. 13212/56. Class 83 (3). A multi-purpose machine-tool comprises first and second rotatable guide - members mounted respectively in a horizontal and a vertical plane on supporting means, with means for fixing each of the guidemembers in a selected angular position, a carrier being supported on each guide-member, one for a tool and the other for a workpiece, and a stub-shaft on each of the guidemembers arranged opposite the carrier and rotatably mounted in a bore formed in the supporting means of the respective guide-member. The base 1 of the machine is provided with two vertical bores which are split and provided with clamping- screws. One bore carries a stub-shaft 2<SP>1</SP>, Fig. 3, forming part of a first, horizontal, guidemember 2. A cross-slide 6 is supported on this guide, and may carry a tool-rest for turning- operations, or may support a workpiece for drilling, grinding or milling. The other bore carries a column 3, Figs. 1 and 2, which supports a vertically-adjustable crosshead 4. The latter has a horizontal split bore to take the stub-shaft 5<SP>1</SP> of a second guide-member 5 similar to the guide-member 2, but with its guide-face vertical. A headstock 13 and tailstock 11, Fig. 1, are adjustable along this guide-face. The spindle 22 is driven by an electric motor 10, and is carried by a quill traversed by a hand lever 25. The spindle may carry the work or may be adapted to take a drill, milling-cutter or grinding-wheel. The spindle housing is rotatable in a vertical plane by loosening a nut 14. When rotated to the vertical position shown in Fig. 3, the spindle may be used for drilling, or may be coupled to a spindle 16 to drive, through beltgearing 18, the stub-shaft 2<SP>1</SP> and thus rotate the table 2. The machine may then be used as a turning or boring mill. Taper work may be turned by adjusting the guide 5 in the direction of arrows P<SP>1</SP>.
Patent GB-128179-A (GB)
Title: Improvements in or relating to Closures for Bottles, Jars and the like.
Inventor: BALDWIN JAMES HEWITT
IPC: B65D39/16
Filed: 1919-05-26
Abstract: 128,179. Baldwin, J. H. May 26, 1919. Stoppers fitted with withdrawing- devices.-A cork &c. for bottles and other receptacles is fitted with a small corkscrew b having an eye c at the top through which a cord &c. d is passed to facilitate withdrawal of the cork. The cord may be coiled into a spiral on the cork so that a capsule can be placed over it. The cord may carry a ring of a size adapted to rest on or round the mouth of the bottle.
Patent GB-1390233-A (GB)
Title: Composition and method for imparting fire-proofness to synthetic textile articles
IPC: C08G14/04
Filed: 1972-03-21
Abstract: 1390233 Fire-resistant textile compositions TOYO BOSEKI KK 21 March 1972 [22 March 1971 21 Dec 1971] 13268/72 Heading C3R [Also in Division D1] A composition for rendering textiles fireresistant comprises (1) 100 p.b.w. of a precondensate of a tetrakis hydroxymethyl phosphonium (THP) compound with urea alone or with melamine or guanidine, the ratio of THP methylol groups to amine groups in the urea, melamine and guanidine being 1 : 0À1-0À5, (2) 2-20 p.b.w. of a compound having at least two amine groups reactive with formaldehyde, and optionally (3) up to 15 p.b.w. of an aminoplast precondensate having at least one methylol group in the molecule. Suitable THP compounds for (1) are the chloride, hydroxide, acetate and phosphate; the guanidine may be free or the carbonate, phosphate or hydrochloride. In Examples 1-5 resins are prepared by refluxing THP chloride or hydroxide with urea alone or with melamine or guanidine phosphate or carbonate. Compositions containing: these resins (1); NaOH; urea, thiourea, or guanidine phosphate (2); methylated trimethylol melamine, dimethylol ethyleneurea or dimethylol uron; and optionally cetylamine or stearamide or MgCl 2 . They are used to treat plain woven, poplin, twill, needle punched, knitted, and knitted pile fabrics of polyester, polyester/cotton, polyester/ wool, nylon, acrylic, acrylic/cotton or acrylic/ rayon fibres.
Patent GB-184276-A (GB)
Title: Improvements in or relating to heating stoves
IPC: F23D99/00
Filed: 1921-05-10
Abstract: 184,276. Kitson, A. May 10, 1921. Shade-holders.-A vapour stove, adapted to be converted into an incandescent lamp, comprises a cup-shaped member 15 provided with a channel 17 on which may rest a ring 36, provided with arms 35 and a ring 34 of L-section for supporting a shade 37 in place of a grid-plate.
Patent GB-953201-A (GB)
Title: Polymerisation of ethylene
IPC: C08F10/00
Filed: 1960-04-14
Abstract: Ethylene with or without a copolymerizable monomer is polymerized at a pressure of at least 10,000 p.s.i. (e.g. up to 50,000 p.s.i.) in the joint presence of a trialkyl or tricycloalkyl borane and oxygen or a substance which acts as a source of oxygen under the reaction conditions, at least one half of the total amount of oxygen or source thereof being supplied to the reaction mixture after the pressure has been raised to at least 10,000 p.s.i.  The polymerization may be in bulk, aqueous medium or in solution (e.g. hexane) and may be carried out with the flow impulses, chain transfer agents and mixed catalysts as described in Specifications 816,110, 891,903 and 921,542.  The oxygen may be supplied as pure oxygen, air, as ethylene/oxygen mixtures or as a peroxide such as hydrogen or benzoyl peroxide. Of the specified boranes, that used in examples is triethyl borane. Reaction temperatures are suitably between -100 DEG  and 100 DEG C. The products are substantially saturated, have a chain branching not exceeding 0.6 methyl groups per 100 carbon atoms, have a density greater than 0.935, a tensile strength greater than 3,000 p.s.i. and a Mw/Mn of less than 2.
Patent GB-1470501-A (GB)
Title: Polymer compositions for electrical use
IPC: H02G15/068
Filed: 1973-03-20
Abstract: 1470501 Electrical stress-controlling compositions RAYCHEM Ltd 19 March 1974 [20 March 1973] 13352/73 Heading C3P Compositions for controlling electrical stress at cable junctions and terminations comprise a polymeric material having dispersed therein a particulate compound selected from (a) compounds having a perovskite-type structure other than Sr, Mg, Ni and Ba titanates; (b) compounds having a spinel crystal structure selected from A<SP>II</SP>B<SP>III</SP> 2 O 4  where A is Mg, Co, Cu, Zn or Cd and B is Al, Cr, Fe, Mn, Co or V provided that when A is Mg B cannot be Al, when A is Cu B cannot be Cr and when A is Zn B cannot be Fe, and A<SP>IV</SP> B<SP>II</SP> 2 O 4  where A is Ti or Sn and B is Zn, Co, Ni, Mn, Cr or Cd; (c) compounds having an inverse spinel structure, other than stoichiometric Fe 3 O 4 ; (d) compounds having a mixed spinel crystal structure; (e) MoSe 2 , MoTe 2 , MnO 2  and SnO 2 ; (f) AgI, Prussian blue, Rochelle salt and other alkali metal tartrates, ammonium fluoroberyllate, thiourea, triglycine sulphate, ammonium sulphate and compounds of formula XH 2 YO 4  where X is K, Rb or Cs and Y is P or As; (g) Si 3 N 4 ; (h) a mixture of stoichiometric or non- stoichiometric Fe 3 O 4  with barium titanate, MoS 2  or a metal powder selected from Fe, Al, Cu, Mn, Cr, Pb, Ni, Zn or Ag; and (i) a mixture of barium titanate and a carbon black; the total weight of the compounds in the filler being at least 10 per cent by weight of the polymeric material and the material having a γ-value, at least at some direct current stress between 0À01 kV/mm. and 10 kV/mm., of at least 1À5. The compositions may also contain electrically conductive particulate fillers and/or silicon carbide, and may be used in cable insulation and for the manufacture of heatshrinkable tubes for cable terminations. Many suitable polymers, compounds and fillers are specified and examples describe compositions comprising components selected from EP and EPDM rubbers, polyethylene, ethylene/ethylacrylate copolymer, ionomer resins, vinylidene fluoride / hexafluoropropylene copolymers chlorinated polyethylene and chlorosulphonated polyethylenes; non-stoichiometric Fe 3 O 4 , Co 3 O 4 , strontium titanate, barium stannate, molybdenum ditelluride, molybdenum diselenide, silicon nitride, copper chromite, cobalt ferrite, Mn 3 O 4 , copper manganite and magnesium ferrite; and optionally finely divided carbon black, aluminium, copper, iron, manganese, chromium, lead, nickel, nickel/aluminium, zinc or silver.