baber/WOPTO huggingface dataset:
Patent GB-1002804-A (GB)
Title: Method and apparatus for drilling and working in offshore wells
IPC: E21B7/128
Filed: 1961-09-01
Abstract: 1,002,804. Sub-aqueous boring. CALIFORNIA RESEARCH CORPORATION. Sept. 1, 1961 [Sept. 9, 1960], No. 31531/6l Heading E1F. A sub-aqueous borehole is formed by a drill operated within the top of the borehole, means being provided for resisting the torque of the drill. A hole 40 is drilled from a vessel 20, a base 38 and conductor 36 are lowered down the drill string by guides 46, 48, and the conductor is cemented in the hole. The hole is extended, casing 70 with a guide structure 74 fixed to the top is lowered down the drill string and guides, and the casing is cemented. The upper part of the casing has internal torque reacting rails 78, and external conduits 80, 82 extending below the rails. During drilling with the hydraulic drill 154 the conduit 82 serves for the return of drilling mud which issues through an aperture 84 in the casing, and after completion of the borehole the conduit may serve as a production pipe. The conduit 80 may be used to expand a packer 110 about the string 160 of the drill 154, and may, after completion, serve for obtaining access to the casing through a slide valve 112. A valve 98 having a spring-loaded flap 106 is fixed to the casing by slips. The drill 154 has packings 164 notched to receive the rails and is fixed to a blowout preventer 166. Packings 170, 172 and slips 174 on the preventer are expanded by fluid from a pipe 200. A control passage through the preventer contains supply and return pipes for the fluid actuating the drill 154, and forms a delivery pipe for drilling mud. The preventer, drill and string are lowered from the vessel into the casing, the drill sliding down the rails as the holes deepens. When the drill reaches the bottom of the rails the preventer, drill and string are raised to the vessel and a further length of pipe is added to the string before drilling continues. In the modification shown in Fig. 6, the top of the casing has an enlarged section 250. An assembly comprising a guide funnel 374, blowout preventers 350, 352, a kelly bushing 320, and conduit 254 with a clamping assembly 252 is lowered from the vessel and fixed to the casing by the engagement of the clamping assembly with the section 250. The bushing is prevented from rotating relative the guide structure 358 by lugs 370 which engage notches 366. A drill string 396, drill 356, and kelly 346 are lowered into the assembly and the bushing closed on the kelly to prevent rotation of the motor as drilling proceeds.
Patent GB-601796-A (GB)
Title: Apparatus and process for pressing plastic sheeting
IPC: B29C59/04
Filed: 1945-11-23
Abstract: <PICT:0601796/IV(a)/1> A sheet 27 of thermoplastic resinous material is planished or embossed by introducing it between a stainless steel or chromium plated steel planishing belt 21 and a revolvable drum 10, the belt being pressed against the drum by an endless tension band 11. Resiliently-mounted, arcuate heating shoes 31 heat the material nearly to its softening temperature during the first part of its travel over the drum and cooling shoes 35 cool the material, before it leaves the belt, to a temperature less than that at which it adheres to the belt.  Another planishing belt 29 may be introduced between the material and the drum.  The drum may be heated by hot water, but is kept at a temperature below that to which the material is cooled.  Insulation 34, such as cloth padding, prevents heat flow from and to the drum.  The belts have a small heat capacity so that they are readily heated and cooled. Additional pressure may be applied to the material at selected areas by a roller 18, which pressure may be regulated by a cam 19. The guide rollers of the planishing and tension belts are journalled in movable bearings, to allow the planishing belts to be kept taut and to adjust the pressure applied by the tension band.  The process frees sheets from internal strains imposed by calendring.  Decorated thermoplastic sheeting may be made by feeding coloured or decorated strips of thermoplastic material in contact with the sheeting.  A product resembling patent leather may be made by using sheeting of plasticized vinyl chloridevinyl acetate copolymer containing a small amount of carbon black.  The thermoplastic sheeting may be composed of plasticized polyvinyl chloride, cellulose acetate, cellulose nitrate, cellulose acetobutyrate, polymethylmethacrylate, polyvinylidene chloride or polystrene.  The Specification as open to inspection under Sect. 91 comprises also the feeding and removal of the sheeting coincidentally to or from both surfaces, i.e. the drum and a planishing belt or two planishing belts, to prevent buckling, wrinkling and slipping of the sheeting.  This subject-matter does not appear in the Specification as accepted.
Patent GB-1401614-A (GB)
Title: Pressure-reducing gas-flow regulator valves
IPC: F16K37/00
Filed: 1971-07-06
Abstract: 1401614 Valves BRITISH OXYGEN CO Ltd 23 Aug 1972 [6 July 1971] 31721/71 Heading F2V In a pressure-reducing gas-flow valve, the gas passes from an inlet 4 through passages, not shown, to an annular space 16 from where it passes between valve member 12 and fixed seat 10 into chamber 8 and thence to outlet 6. A spring-biased diaphragm partially defining the chamber 8, controls the position of valve member 12 and thereby the outlet pressure in accordance with the force exerted by spring 30, which force is adjustable by rotation of a knob 34 screwed on to a fixed sleeve 38. Adjustment of the knob is limited by a pin 42 and by a stack of washers, not shown, surrounding spigot 44 and resting on the top end of body member 36. A member 48 attached to the diaphragm cooperates with a transparent cap 50 having a scale thereon, to indicate the outlet pressure.
Patent GB-520506-A (GB)
Title: Improvements in the fixing of pipes to walls and the like
IPC: F16L3/12
Filed: 1938-11-02
Abstract: 520,506. Supporting pipes. TURNER & NEWALL, Ltd., STONE, C. J., and AMOR, W. A. Nov. 2, 1938, No. 31776. [Class 99 (ii)] A fall pipe of non- metallic material is secured to a wall by a plate or strap 5 of non-metallic material, which is secured by screws 4 to a boss 1 integral with the socket 2 of the pipe, and which is also secured by screws 9 to the wall. The strap has a metal reinforcement 6, and is rabbeted at 7 to receive the boss.
Patent GB-769433-A (GB)
Title: Improvements in alternating current arc welding systems
IPC: B23K9/10
Filed: 1953-11-17
Abstract: 769,433. Supply systems for A.C. welding arcs. FOSTER TRANSFORMERS, Ltd., and JENNINGS, R. E. Nov. 15, 1954 [Nov. 17, 1953], No. 31846/53. Class 38 (4). To avoid high voltage at the welding electrode E during non-welding periods, the voltage of an auxiliary transformer 3, acting in opposition to the main welding transformer 1, with which it is connected in a closed series loop by a relay energizing circuit 4, 5, balances the voltage of the main transformer 1 and caused re-energization of the relay which, at its contacts 7, disconnects the electrode from the main transformer and connects it to a low voltage tapping on the auxiliary transformer, over contacts 8. A condenser 6 delays the release of the relay. When the electrode E touches the work to recommence welding the voltage balance of the two transformers is disturbed so that the relay again becomes energized and restores normal welding connections. The transformer 3 either has high magnetic leakage or is fed through a series resistor. The relay may be of a type intended for A.C. operation, the rectifier bridge 4 then being unnecessary.
Patent GB-653603-A (GB)
Title: Improvements in or relating to the preparation of organic chlorothiophosphates
IPC: C07F9/146
Filed: 1948-12-09
Abstract: Organic chloro-thiophosphates of the general formula <FORM:0653603/IV (b)/1> in which R1 and R2 are alkyl, haloalkyl, aralkyl, haloaralkyl aryl or haloaryl radicals are prepared by reacting a bis(thiophosphous) sulphide of the general formula <FORM:0653603/IV (b)/2> in which R1 and R2 have the above meaning and n is 2, 3 or 4 which may be obtained by process of U.S.A. Specification 1,949,629 with a chlorinating agent selected from chlorine, sulphur monochloride and sulphur dichloride.  Examples of the radicals R1, R2 which may be alike or unlike, are methyl, ethyl, n-propyl, isopropyl, isobutyl, sec.-amyl, n-hexyl, 2-ethylhexyl, n-octyl, n-decyl, n-dodecyl, oleyl, cetyl, ceryl, allyl, bromomethyl, 2-chlorethyl, cyclohexyl, benzyl, phenyl and 4-chlorophenyl.  The reaction may be carried out in organic solvents, e.g. carbon tetrachloride, chloroform, benzene, toluene, xylene, chlorobenzene, tetrachlorethane, methylene chloride, or ethylene chloride.  In examples: 0,0-diethyl-chlorothiophosphate is prepared by reacting (1) bis-(0,0-diethyl thiophosphono trisulphide and chlorine; (2) bis-(0,0-diethyl thiophosphono), disulphide and chlorine; (3) bis-(0,0-diethyl thiophosphono) tetrasulphide and sulphur dichloride; (4) bis-(0,0-diethyl thiophosphono), disulphide and sulphur mono-chloride.  The products are useful as intermediates for the preparation of insecticides, rodenticides, fungicides, flotation agents, petroleum additives, corrosion inhibitors, plasticizers, and flame retardants.  According to the Specification as open to inspection under Sect. 91, n in the above formula may be any whole number.  This subject-matter does not appear in the Specification as accepted.
Patent GB-1077802-A (GB)
Title: Illuminated indicating instrument
Inventor: BLACKWELL DANA JEROME
IPC: G01D11/28
Filed: 1965-07-26
Abstract: 1,077,802. Indicating-apparatus. LEWIS ENGINEERING CO. July 26, 1965, No.31890/65. Heading G1J. The movement 12 of an instrument mounted in a case 10, actuates, within a dial aperture, an arm 16 carrying a pointer 26 with a reflecting surface 30 whereby the pointer 26 is indirectly illuminated by two lamps 32 (34) which directly illuminate the dial 20. Lens-shaped ends (50) (52), Figs. 3, 4, 5 (not shown) of the long arms (44) (46) of an E-shaped light-piping member (40), gather light from the lamps 32, (34), and after reflection at surfaces (58) (60) and 62 (64) a surface 66 on the short central arm 48 directs the beam on to the pointer surface 30. Light shields 36, 68 are provided within the dial aperture and on the arm 48. A translucent filter disc (70) in the guide 68 can provide a colour contrast between the pointer and dial illumination. Alternatively they can be given the same colour by placing a dome-shaped filter over each lamp made of heat-resistant, translucent, coloured plastic. A modified light-piping member may be provided for use with duplicate sets of lamps and either set may be selected by a manual switch. One set may be provided with red filters and compensation may be required for the light intensity because of different colours. If the instrument has sufficient power to actuate a camoperated switch, Fig.10 (not shown), it may be arranged to switch over to red illumination automatically to give a danger signal.
Patent GB-1221166-A (GB)
Title: Improvements in and relating to power transmission systems for operation under water
Inventor: PARKES GERVIS HARKIE
IPC: E21B33/035
Filed: 1969-06-24
Abstract: 1,221,166. Shaft seals. COMPAGNIE FRANCAISE DES PETROLES S.A. 24 June, 1969 [23 Oct., 1968], No. 31911/69. Heading F2B. An electric motor 1 is lodged in a subaqueous watertight-vessel 2 having a gland 4 for the output shaft 3, leakage of water into the vessel past the bland being prevented by pressurized gas supplied to a vessel 7 at a lower level by a cylinder 12 through a pressure-sensitive regulating-valve 13. A duct 6 joins the two vessels; and an opening is provided in the bottom of the vessel 7. The gas pressure is such as to prevent water entering through the opening. The difference in the levels of the two vessels renders the gas pressure greater than the pressure of the water adjacent the gland.
Patent GB-1393957-A (GB)
Title: Process for the preparation of compounds containing the benzo thioxanthene nucleus
IPC: C09B57/14
Filed: 1972-07-07
Abstract: 1393957 Preparing pigments HOECHST AG 7 July 1972 [10 July 1971] 31944/72 Heading C4P Pigments containing the benzothioxanthene nucleus are prepared by reacting a compound containing the 1-(2<SP>1</SP>-aminophenylmercapto)-naphthalene nucleus or the 1-phenylmercapto-8- aminonaphthalene nucleus in a tertiary amine with a compound yielding nitrosyl groups and heating the diazonium compound formed. Compounds yielding nitrosyl groups are nitrososulphuric acid and nitrosyl chloride and the tertiary amines used include pyridine, picoline, quinoline, isoquinoline or mixtures thereof. The starting compounds include 3-(2<SP>1</SP>-amino-phenylmercapto) - benzanthrone and 4 - (2 - aminophenylmercapto)-naphthalic acid anhydride.
Patent GB-1361242-A (GB)
Title: Laminate comprising non-woven fibrous backing
IPC: D04H1/42
Filed: 1971-07-07
Abstract: 1361242 Non woven fabrics MINNESOTA MINING & MFG CO 7 July 1971 [8 July 1970] 31988/71 Heading D1R [Also in Division B5] A sheet-like material consists of a non- woven fibrous web impregnated with an electrically-insulating, moisture-insensitive thermoset resin, the web comprising a blend of at least 15% by weight of discontinuous synthetic heat-softenable fibres, at least partially softenable at temperatures below 200‹C and from 10 to 75% by weight of discontinuous synthetic fibres resistant to temperatures in excess of 275‹C. The heat-softenable fibres are preferably monofilament staple polyethylene terephthalate fibres and the heat-resistant fibres are preferably monofilament aromatic polyamide fibres. Rayon fibres may also be used as the heat-resistant fibres. The blend may also comprise fibres which resist softening in the 150 to 250‹C range e.g. drawn polyethylene terephthalate fibres. The non-woven web may be made by air-laying or garnetting a blend of the fibres, needling the product to increase the density and preferably hot-pressing and/or calendering the needled product. The thermoset resin which may be applied by dipping may be a polyurethane, a silicone, an unsaturated polyester, an acrylic resin, an epoxy resin, a urea-aldehyde resin, a melamine-aldehyde resin or a phenol-aldehyde resin, the resin being cured by heating. The aired material may be used as a backing for an electrically conductive layer e.g. in the preparation of printed circuits.
Patent GB-223440-A (GB)
Title: Improvements in and relating to clock-operated indicators
IPC: G04C23/22
Filed: 1923-12-21
Abstract: 223,440. Weinbaum, Y. Dec. 21, 1923. Time alarms.-A clock is adapted to give a visual or audible signal for each of a series of selected times during the day. Plugs h, Fig. 1, which are differently coloured to indicate " appointment," " telephone," " call," or " typist," are normally stored in holes h<1> in a plate f, but may be inserted, for the purpose, of setting the alarm, in holes c<1> in a plate e which revolves with the hour hand d and is marked with numbers denoting the hours arranged anti-clockwise, the holes c<1> corresponding to the hours and quarters. When such a plug reaches the toe r<1>, Fig. 2, of the lever r, it lifts this and so brings the arm q of the lever into contact with the spring n, closing a circuit through a buzzer B, a lamp L on the front of the clock, or a distant indicator connected at D, according as the switch-arm j is set at B, L or D. In order that the alarm may be intermittent or spasmodic a six-toothed wheel t rotates once a minute with the third wheel of the clock, and thus intermittently pushes back the spring n through the rod u, so as to break the alarm circuit.
Patent GB-987962-A (GB)
Title: Linear copolyamides
IPC: C08G69/26
Filed: 1963-08-14
Abstract: A process for the preparation of linear copolyamides, comprises effecting polycondensation between terepthalic acid and/or isophthalic acid, or amide-forming derivatives thereof, and a diamine (or equivalent amide-forming) mixture of which 95 to 70% by weight consists of at least one alkyl-substituted polymethylene diamine having a chain of at least 6 carbon atoms and a total of at least 3 carbon atoms in the alkyl substituent or substituents, and 5 to 30% by weight of an unsubstituted polymethylene diamine of the same chain length.  Specified substituted diamines are 2 : 2 : 4- and/or 2 : 4 : 4-trimethyl-hexamethylene diamine.  The specified unsubstituted diamine is hexamethylene diamine. The condensation may be effected in solution or by an interfacial method, optionally in the presence of stearic or acetic acid.  Examples are given.
Patent GB-1385402-A (GB)
Title: Method and apparatus for producing drydefibrated cellulose pulp
IPC: D21B1/06
Filed: 1972-07-10
Abstract: 1385402 Cutting apparatus MO OCH DOMSJO AB 10 July 1972 [13 July 1971] 32210/72 Heading B4B [Also in Divisions B2 and D1] Bales of pulp sheets are fed to a knife 7 which cuts the sheets into strips, optionally the strips are shredded, and the cut material is opened in a defibrator 3. As shown, the bales 13 are advanced until they meet stop 9. The bales are then clamped and the knife 7 and the stop 9 are reciprocated vertically to cut strips from the leading edge of the bale. The cut strips are fed to a hammer mill or rotatable roll 2 for shredding the strips and then to a disc refiner, peg mill or hammer mill for defibrating the shredded material. The horizontal distance between the stop 9 and the knife 7 may be varied.
Patent GB-322839-A (GB)
Abstract: 322,839. Schwarz, A. Oct. 6, 1928. Autographic cash-records.-In an autographic cash-recorder a paper strip u wound between rollers n, o mounted in a removable frame in the upper portion of a cash-box a is reversed upon itself so that entries may be written on both sides of the paper, a tensioned elastic band v being provided to bear against the rollers and keep the paper taut. The rollers n, o and a guide roller pare journaled between the opposite sides k of the frame, which support two transverse bars m disposed beneath slots r, s in the top of the box. The strip passes from roller n, above the adjacent bar m, beneath roller o, and around roller p, where it is reversed and passes over the second bar m to the roller o. The ends of the elastic band are secured respectively to one end q of the cover of the box and a vertical partition h extending downwardly from the top. A plate i hinged to the end q and secured by a catch to the partition h supports the removable frame within the cover b, which is hinged at e to the bottom portion. The bottom may be divided into compartments c, d for coins and notes respectively, and a slot g may be provided in the top, above the compartment c. Turning-knobs are provided on the ends of the rollers n. o for winding the strip.
Patent GB-386753-A (GB)
Title: Improvements relating to threads, filaments or fabrics composed of or containing artificial silk
IPC: D01F2/06
Filed: 1931-11-23
Abstract: Artificial threads or filaments, or fabrics containing them are delustred by precipitating cellulose within the threads or filaments from a dilute solution of viscose containing between 0,5 and 3 per cent, preferably not more than 2 per cent, of cellulose.  Solutions of mineral acids or mineral acids and salts may be used to precipitate the cellulose.  Specifications 25245/11, [Class 42 (i), Fabrics, Finishing &c.], 295,582, and 323,521, [both in Class 15 (ii), Dyeing, Processes &c. for], are referred to.
Patent GB-661555-A (GB)
Title: Improvements in and relating to the extrusion of metals
IPC: B21C23/32
Filed: 1949-12-19
Abstract: 661,555. Extruding. COMPTOIR INDUSTRIEL D'ETIRAGE ET PROFILAGE DE METAUX. Dec. 19, 1949 [Dec. 20, 1948], No. 32534/49. Class 83 (iv). In the method of extruding difficult metals using glass or other material viscous at extrusion temperature as lubricant, e.g. as in Specification 607,285, at least a part of the material is multicellular or spongy glass. The spongy glass 4 may be used alone or with a glass plate 5 adjacent the die 6 or adjacent the ingot 3, as in Fig. 1. In a modification, two or more pieces of spongy glass 4 may be used with one or more plates of glass 5 as in Fig. 2. Specification 607,287 also is referred to.
Patent GB-335094-A (GB)
Title: Improvements in vaporizing burners for burning oil fuel
IPC: F23D5/00
Filed: 1929-10-28
Abstract: 335,094. Tortarolo, O. Oct. 28, 1929. [A Specification was laid open to inspection under Sect. 91 of the Acts, Oct. 28, 1929]. Open-tray burners; vaporizing-apparatus.-In a vaporized fuel burner, the fuel, after preliminary heating in an inner chamber 2 is vaporized on the hot base of the outer chamber 5, and mixes with air drawn through holes 6. The chamber 2 is closed at the top by a lid 3 which has a projecting edge to spread the flame and heat the chamber. The liquid is delivered by a pipe 1 and passes into the outer chamber through holes 4. The flame passes through a diffuser ring 1 connected to a deflector cone 8. The air supply may be heated by passing through hot parts inside or outside, the casing 5. In a modification, the cylindrical wall of the chamber 2 is extended downwards to within a short distance of the base of the casing 5. The extension has surrounding it a flange 11 which has a downwardly depending periphery 11a provided with a number of radial slots 12 for the passage of the gases. In a form for larger consumption, the outer casing and inner chamber are both ring-shaped, the fuel is supplied through a number of pipes, and the intake of air is from the out-side and inside. A starter cup is formed by a ring-shaped cavity in the base of the outer chamber, or in the modifications, by a concavity 10 in the flange 11.
Patent GB-1065902-A (GB)
Title: Improvements to selection systems for circuits or electrical equipments
IPC: H04Q3/00
Filed: 1965-07-30
Abstract: 1,065,902. Automatic exchange systems. INTERNATIONAL STANDARD ELECTRIC CORPORATION. July 30, 1965 [July 31, 1964], No. 32746/65. Heading H4K. A cross-bar switch comprises three sections CO, CA, CE having common horizontal operating bars for the purpose of connecting incoming and outgoing lines to link circuits AL and of connecting link circuits to registers EN. The horizontal bars are operable to either of two positions and in each section the contacts are multipled horizontally. To connect the lines to a link circuit appropriate horizontal bars are operated together with bar BR14. The links AL may be connected to the contact levels controlled by bars BR1 ... BR10 and the registers EN to the levels controlled by bars BR11 ... BR14, so that one bar in each set requires to be operated.
Patent GB-1515507-A (GB)
Title: Golf clubs
IPC: A63B53/02
Filed: 1974-07-25
Abstract: 1515507 Golf clubs NORSTRONG PLASTICS Ltd 23 May 1975 [25 July 1974] 32828/74 Heading A6D A golf club has a wooden head 11, a hosel 12 integral with said head and having a bore to receive a shaft 13, a ferrule 14 applied to the shaft-receiving end of the hosel, a plug member 16 on the shaft adjacent the ferrule and a cover 15 overlying the ferrule and the plug. The plug is provided with a flange 16b and a number of rings 16c which provide an upper stop for the cover which is of plastics material or whipping. The portion of the hosel contacted by femule 14 is of differing conicity to the adjacent section of the hosel.