baber/WOPTO huggingface dataset:
Patent GB-1198067-A (GB)
Title: Preparation of 9-Halodecahydronaphthalene
IPC: C07C17/10
Filed: 1969-04-29
Abstract: 1,198,067. 9 - Halodecahydronaphthalenes. SUN OIL CO. 29 April, 1969 [2 May, 1968], No. 21680/69. Heading C2C. 9-Halodecahydronaphthalenes, wherein the halogen is fluorine, chlorine or bromine, are prepared by contacting cis-decahydronaphthalene and a tertiary alkyl C 4 -C 5  fluoride, chloride or bromide at a temperature of from - 20 C. to 25 C. with sulphuric acid having a concentration of 90-100% by weight, of H 2 SO 4 , and recovering the 9-halodecahydronaphthalene from the reaction mixture.
Patent GB-1382153-A (GB)
Title: Production of glass ribbon by the floatation process
IPC: C03B5/26
Filed: 1972-05-10
Abstract: 1382153 Casting molten glass VETRERIA DI VERNANTE SpA 10 May 1972 [12 May 1971] 21761/72 Heading C1M A composite shutter for controlling the flow of a stream of molten glass through a casting channel 30 in the production of flat glass by the float process, comprises a main portion 10 and at least one associated wall portion 40, mounted on the upstream side of the main portion 10 for movement relative and in a plane parallel thereto, and co-operating with the main portion to define the profile of the passage through which the molten glass flows, the profile being variable on relative movement of the wall portion or portions. As shown, the main portion 10 is provided with rear guiding ribs 50 and two trapezoidal wall portions 40 are used. The main portion 10 has a straight lower profile and is supported by threaded rods 20 for adjustment in the channel 30. Each wall portion 40 has a top member 40 of refractory steel having two apertures 43 lying over recesses 42 and two supporting rods 60 are held in the recesses 42 by pivot pins 61, one of which lies in elongated slots 62 in the member 41 to allow some relative movement. Each rod 60 is separately movable and has a threaded portion received in a threaded sleeve 63 rotatably mounted on a crosspiece 65 and having external teeth engaging a worm 64 for rotation by a suitable drive. Tilting sideways of the wall portions 40 is therefore possible as in Fig. 6, for example. When more than two wall portions are provided, they need not be of the same configurations.
Patent GB-652542-A (GB)
Title: Improvements in or relating to a cord-like ignition device
IPC: C06C5/00
Filed: 1948-08-18
Abstract: 652,542. Blasting and like fuzes. JONES, E., FORLIN, J., E., and IMPERIAL CHEMICAL INDUSTRIES, Ltd. Aug. 18, 1948, No. 21791. [Classes 9 (i) and 9 (ii)] A cord-like ignition device is formed by working a mixture of pulverulent oxidizing and reducing agents with a plasticised non-detonating thermoplastic medium to form a thermoplastic composition 2 at a temperature preferably between 60‹ and 150‹ C. and extruding the composition around a pliable metal wire 1, preferably at a temperature between 80‹ and 120‹ C. After the composition has solidified, bare pliable metal wire 3 is spun or braided round the core, the wire being spaced to expose areas along the cord uncovered by the metal. A layer 4 of varnish is then applied to the cord. In example 1. the composition consists of 47 per cent red lead, 12 per cent potassium perchlorate, 23 per cent silicon mixed in 9 per cent nitrocellulose, 8 per cent dibutyl phthalate, 0.5 per cent diphenylamine, and 0.5 per cent citric acid, all percentages being by weight. This composition is extruded around a copper wire 28 s.w.g. and is surrounded by four spun and four countered strands of copper wire 36 s.w.g., the resultant fuze being varnished with a nitrocellulose dope. Several examples are given of alternative compositions. By varying the gauge of the central core wire and the number of the covering wires, the rate of burning can be altered. The core wire may be replaced by a cotton yam. Specifications 541,202, 579,388, 580,409 and 631,143 are referred to.
Patent GB-1413905-A (GB)
Title: Process for concentrating aqueous solutions of fluorosilicic  acid
IPC: B01D1/16
Filed: 1973-05-08
Abstract: 1413905 Concentrating fluorosilicic acid FISONS Ltd 23 April 1974 [8 May 1973] 21821/73 Heading C1A A process for concentrating an aqueous solution of fluorosilicic acid (such as the solution obtained during the evaporation of wet process phosphoric acid) comprises evaporating the solution in a first stage and passing the vapours generated to a second stage, operated at a lower pressure (and optionally at a lower temperature) than the first in which the fluorine compounds in the vapours are recovered from the vapours, e.g. by scrubbing with aqueous fluorosilicic acid. Before passing to the second stage, the vapours may be submitted to a treatment to remove entrained impurities.
Patent GB-722758-A (GB)
Title: Improvements in pit props
IPC: E21D15/20
Filed: 1953-02-19
Abstract: 722,758. Pit-props. HEWITT, H., and HEWITT, J. Feb. 19, 1953 [Aug. 30, 1952], No. 21854/52. Class 20 (2). In a collapsible pit prop a slidable prop member 2, Fig. 3, has a solid rectangular bottom 3 with opposed pairs of semi-cylindrical recesses 4 at different heights for adjusting the length of the prop, cylindrical catches 5 being adapted to engage the recesses 4 and to bear against shoulders formed by the inner edges of flanges 7 on the base member 1 to lock the members 1 and 2 together. The ends of the catches 5 are engaged by cam grooves 10, Fig. 1, in a cam lever 9 which is operated to initiate movement of the catches 5 out of the recesses 4, whereupon the weight of the member 2 and the supported load acts to move the catches 5 completely from the recesses 4 to allow collapse of the prop. In the locking position any outward movement of the catches 5 is resisted by pressure acting against the cam grooves 10 in opposed directions through the pivot centre of the cam lever, and the ends of the cam grooves are shaped to give a positive hold. The base 1 may be formed in two parts connected by a wedge 13.
Patent GB-185937-A (GB)
Title: Improved means for locking or securing window sashes
IPC: E05F11/00
Filed: 1921-08-18
Abstract: 185,937. Smith, J. B., and Smith, K.. Aug. 18, 1921. Clamps, screw.-A sash-fastener, of the type in which a locking-bolt on one sash engages a slotted arm pivotally mounted on the other to allow partial opening, is so constructed as to permit the slotted arm to be turned down when the window is fully closed without withdrawal of the bolt. The slotted arm c is provided with a hollow boss c' revolubly supported in a bracket a<1>. The winged head f<1> of the bolt f enters the boss through an enlarged portion c<4> of the slot, and rotation of the bolt through a quarter-turn prevents its withdrawal. For partial opening, the head f<1> rides in the slot and is prevented from turning by a flattened portion f<2> behind the head, of greater width than the width of the slot opening, but not as wide as the enlargement c<4>. By screwing up the nut g the window can be fastened in any position permitted by the length of the slot. A projection c<6>, adapted to be engaged by a shoulder f<3> on the bolt, is provided on the front of the boss, so that on rotating the bolt the slotted arm is turned down. Shoulders f<4> limit the distance the bolt head can enter the opening c<4>.
Patent GB-1106728-A (GB)
Title: Diuretic and saliuretic sustained-release compositions
IPC: A61K9/20
Filed: 1966-05-17
Abstract: Solid sustained release diuretic and saliuretic compositions comprise an orally active diuretic and saliuretic 1,2,4 - benzothiadiazine - 1,1 - dioxide and a therapeutically acceptable K salt together with a fatty substance and alginic acid.  Preferred 1,2,4 - benzothiadiazine - 1,1 - dioxides are 6 - chloro - or 6 - trifluoromethyl - 7 - sulphamoyl - 3,4 - dihydro - 1,2,4 - benzothiadiazine - 1,1 - dioxide and their 3 - n - butyl, 3 - iso - butyl, 3 - (2 - methylpropyl), 3 - (2 - ethyl-mercaptoethyl), 3 - benzylmercaptomethyl, 3 - dichloromethyl, 3 - benzyl, 3 - a  - methyl benzyl, 3 - (2 - phenylethyl), 3 - cyclopentyl, 3 - cyclohexyl, 3 - (3 - cyclohexenyl), 3 - cyclopropyl, 3 - cyclobutyl, 3 - cyclopentylmethyl, 3 - cyclohexylmethyl, 3 - (2 - cyclopentylethyl), 3 - (1 - cyclopentylethyl), 3 - (5 - norbornen - 2 - yl), 3 - (9 - fluorenyl), 3 - thenyl, 2 - ethyl, 2 - allyl, 2 - n - propyl, 2 - benzyl, 2 - (2 - tetrahydropyranyl), 2 - methyl - 3 - chloromethyl, 2 - methyl - 3 - (2,2,2 - trifluoroethylmercaptomethyl), 2 - ethyl - 3 - dichloromethyl, 2 - benzyl - 3 - chloromethyl, or 2,7-bis - n - butylcarbamyl - 3 - chloromethyl derivatives.  Preferred K salts include Kcl, K2HPO4, dipotassium tartrate and tri potassium citrate. Specified fatty substances include vegetable fats, fatty acids, and alkaline earth metal salts thereof, fatty alcohols, and esters thereof, fatty amides, waxes, both natural and synthetic, and resin-wax mixtures, e.g. polyethylene and cellulose ether-wax mixtures.  The compositions may be prepared in the form of tablets by mixing the active ingredients and appropriate carriers, adding a granulating liquid to form a granulate, and compressing the latter into tablet form. The granulating liquid is preferably a solution of a film-forming agent which is capable of forming an acid-fast, alkali-soluble film, e.g. an acidic cellulose ester such as cellulose acetate phthalate, or a salt of carboxymethyl cellulose or alginic acid. The compositions may include dyestuffs, preserving, stabilising and wetting agents, and other therapeutically active substances, e.g. hypotensive agents such as Ranwolfia and related alkaloids, e.g. reserpine, deserpidine, rescinnamine, or syrosingopine, hydrazino - phthalazines, e.g. 1 - hydrazino- or 1,4-di-hydrazino phthalazine, guanidine compounds, e.g. guanethidine spirolactones, e.g. spironolactone, barbiturates, e.g. sodium 5-sec-butyl 5-ethyl barbiturate, purines, e.g. theobromine or the choline salt of theopylline, protoveratrines, e.g. protoveratrine A, veratrum viride tannate, or 2-methyl-2-propyl-1,3-propanediol dicarbamate.
Patent GB-855931-A (GB)
Title: Continuous beverage maker
Inventor: ANDRES LLOYD JOHN
IPC: A47J31/40
Filed: 1957-07-10
Abstract: 855,931. Beverage making machines. APCO Inc. July 10, 1957, No. 21930/57. Class 129. A beverage making machine comprises a cylindrical container 6 rotatably mounted within a cylindrical housing 1 and having a single port 7 which registers with a series of ports in the housing, one of which 15 serves as an inlet for solid beverage ingredients and a second 16 of which receives a filter assembly and forms an outlet for the beverage, the container 6 being mounted on a coaxial hollow apertured shaft 8 journalled in the housing and supplied with pressurized hot water. As shown, housing 1 also has a rinsing port 17 and each port coincides with port 7 once in every revolution of cylinder 6. The granulated or powdered solid beverage is fed from a hopper 2, containing an agitator driven from shaft 8, to inlet port 15. Slidably positioned in port 16 is a part cylindrical foraminated member 22 secured to a cylindrical collar 77 connected by extension 19 to a conduit 20, and spring-biassed into engagement with cylinder 6. A collar 25 in port 17 connected to a waste conduit 25a is similarly biased into contact with cylinder 6. Shaft 8 is driven intermittently by unit 32 which may be of the 120 degree dwell geneva type driven by electric motor 33. The hot water supply is controlled by a normally closed solenoid valve 34 in conduit 14. Outlet conduit 20 is connected to a beverage storage reservoir 35 whose outlet 36 is controlled by normally closed solenoid valve 37 which is energized to open to deliver beverage. A switch 41, 42 which stops the shaft 8 after one complete revolution is controlled by a single dwell cam 43 on a shaft 8a which also carries a dual dwell cam 44 to close water control switch 45, 46 when the machine is in its infusion and rinsing positions respectively. In operation, an infusion cycle is initiated when switch 39, 40 closes due to the beverage in reservoir 35 having dropped to a predetermined low level. Container 6, which has received ground coffee from hopper 2, is rotated to the infusion position, switch 41, 42 being closed to maintain the circuit through motor 33 when switch 39, 40 opens. Cam 44 then opens valve 34 to supply hot water to shaft 8 and this continues until the unit 32 moves shafts 8 and 8a on so that cam 44 opens switch 45, 46. Meanwhile float 38 in reservoir 35 rises and opens switch 39, 40. The switch 45, 46 is again closed at the rinsing position so that hot water is supplied to wash container 6 out. After this, the container 6 is rotated to the coffee filling position at which switch 41, 42 opens and. operation ceases. If during the latter part of the cycle reservoir 35 has been emptied again a new cycle will automatically start immediately.
Patent GB-294667-A (GB)
Title: Improvements in or relating to ball bearings
IPC: F16C35/063
Filed: 1928-07-28
Abstract: 294,667. International General Electric Co., Inc., (Assignees of Allgemeine Elektricitõts-Ges.). July 28, 1927, [Convention date]. Void [Published under Sect. 91 of the Acts]. Securing bearings on shafts.- The inner rings of ball bearings are secured on their shafts by making one or more axial incisions b on the shaft end, forming a screw-threaded conical bore in the shaft, and inserting a conical screwed plug a. The The ring is slid over the shaft end in a cold state before the plug is inserted.
Patent GB-697428-A (GB)
Title: Improvements in or relating to low impedance wide band output curcuit arrangements for thermionic valves
Inventor: DAVIES ERIC
IPC: H04N7/10
Filed: 1951-09-19
Abstract: 697,428. Valve amplifying circuits. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. April 21, 1952 [Sept. 19, 1951], No. 21988/51. Class 40 (vi). An output circuit arrangement for a wideband amplifier comprises two transformers, one 8, Fig. 3, dealing with the lower frequencies, fed from the anode circuit of a valve and the other 4 dealing with higher frequencies and being fed from the cathode circuit. The secondaries 5, 7 respectively are connected in series, the output being taken across both; the secondary 7 is shunted with a resistance 6. Negative feed-back may be applied between the output terminals and a preceding amplifier 10. In a modification, Fig. 2 (not shown), the secondary winding 7 is placed in the cathode circuit of the valve, being between the secondary 5 and earth. In a further modification, Fig. 4, the higher-frequency transformer 4<SP>1</SP> is provided with a separate secondary winding 51 and the output terminals are bridged by a resistance 12, the centre of which is earthed; negative feed-back is derived from one side of the circuit and applied to the amplifier 10.
Patent GB-531702-A (GB)
Title: Improvements in or relating to sewing machines
IPC: D05B71/00
Filed: 1939-07-29
Abstract: 531,702. Sewing-machines. UNION SPECIAL MACHINE CO. July 29, 1939, No. 22055. Convention date, Aug. 1, 1938. [Class 112] Oil-throwing discs 77, 78 splash-lubricate gear wheels 71, 72, 73 and their shafts and replenish the oil in a reservoir 79. Oil flows from the reservoir into a longitudinal bore 82 in the base and from this bore oil is led upwards to the shaft bearings and all the lubrication points of the stitch-forming and feed mechanisms. Oscillating joints are lubricated by wicks such as 85 in the mouth of a pipe 84. Used oil passes through a screen 105 and a filter 107 into the general sump S.
Patent GB-984119-A (GB)
Title: Substituted piperidines and methods for their preparation
IPC: C07D211/14
Filed: 1961-06-20
Abstract: The invention comprises compounds of the general formula <FORM:0984119/C2/1> and their acid addition and quaternary ammonium salts, wherein R1 is hydrogen, methyl, ethyl or n-rpopyl; R2 is a straight or branched C2- 9 alkyl group; R1 and R2 may together form a ring provided by the group (CH2)4, (CH2)5 or (CH2)6; R3 is propyl; R4 and R5 and R6 are hydrogen, C1- 4 alkoxy or hydroxy or an ester thereof having 1-4 carbon atoms; R4 and R5 or R5 and R6 may together form a methylene dioxy or ethylene dioxy group; and n is an integer from 1 to 3, the preparation thereof by reacting an appropriate phenyl alkyl amine of the general formula <FORM:0984119/C2/2> either with an appropriate glutaric anhydride, acid, or ester thereof followed by reduction of the resulting glutarimide with lithium aluminium hydride or other such suitable reducing agent or with a substituted alkane of the formula <FORM:0984119/C2/3> wherein X represents halogen or hydroxyl or by reacting a piperidine of the formula <FORM:0984119/C2/4> with a phenyl alkyl halide of the formula <FORM:0984119/C2/5> or with a carboxylic acid of the general formula <FORM:0984119/C2/6> followed by reduction of the resulting glutarimide with lithium aluminium hydride or other suitable reducing agent; and pharmaceutical compositions containing the above compounds.  Pharmaceutical compositions, having antihypertensive action, comprise the compounds of the invention and in association with a pharmaceutical carrier.  The composition may be in the form of tablets, solutions for injection, encapsulated powders, or liquid compositions.
Patent GB-642240-A (GB)
Title: Improvements in the apparatus used for the distillation of aluminium
IPC: C22B21/00
Filed: 1948-08-24
Abstract: In apparatus used in the distillation of aluminium by reaction of a halide vapour with aluminium-containing material, the reaction chamber, retort or other part with which the aluminium or lower aluminium halide vapour contacts at high temperature is constructed of or lined with a semiconducting carbide such as silicon carbide or titanium carbide which may be mixed with a binder such as fireclay. Specification 582,579 is referred to.
Patent GB-1221045-A (GB)
Title: Pressure controlled shaft seal injection system
IPC: F16J15/40
Filed: 1969-05-01
Abstract: 1,221,045. Shaft seals. DRESSER INDUSTRIES Inc. 1 May, 1969 [10 May, 1968], No. 22282/69. Heading F2B. [Also in Divisions G2-G3] A system for controlling the flow of injection fluid through a floating ring shaft seal in, for example, a boiler feed pump comprises a conduit 55 for supplying the injection fluid outboard of one or more floating rings 24, a flow control valve 57, Fig. 2, in the conduit, a pressure responsive actuator 71 for the control valve, a differential pressure controller 73 for providing a pressure signal to the actuator in response to the difference in pressure between the fluid at the inboard end of the seal, P1 and the injection fluid P2. As shown, liquid is supplied to a lantern ring 30 disposed between inboard and outboard seal sections 28, 29 including floating rings 24, 25 which are prevented from rotating by porjections 36 and urged axially by springs 34, 35 and by fluid pressure. The pressure P2 is maintained higher than the pressure P1 in the pump suction chamber. When P2 increases relative to P1, as sensed through conduits 56, 63 and passageways 54, 62, the controller 73, which is connected to an air supply 74, produces a pressure signal in a conduit 72 to operate the piston of the actuator 71, the piston being connected to the flow control valve 57 to throttle and thereby reduce the pressure P2 of the liquid. In this arrangement, the leakage in the seal section 28 is towards the pump suction chamber but it could be arranged that the pressure PI be maintained lower than P2 so that leakage is outwards from the chamber.
Patent GB-331706-A (GB)
Title: A machine for dyeing, bleaching and the like of loose yarns or bobbins
IPC: D06B5/16
Filed: 1929-07-20
Abstract: 331,706. Schumacher, F. G., and M³ller, J. J. July 20, 1929. Treating substances with liquids.-A machine for the dyeing, bleaching, &c. of loose yarns or bobbins comprises upper and lower vessels 3, 4 mounted in a framing 1 and a double cover 12 for the upper vessel or dye vat 3, the cover containing a gear wheel 16 adapted to rotate pinions 17 secured to tubes 19 which extend from the dye vat into glass cylinders 27 supported by the cover and provided with drain pipes 28; rotatable conveyer screws 20 are mounted in the tubes and raise liquor from the vat 3 to the interior of bobbins 22 or drums 23 mounted on the heads 21 of the tubes. In operation, dye liquor is run into the lower vessel 4 and heated by electric or other heaters' 10; washing water is run into the dye vat 3 and, on rotation of the gear 16 is forced through the bobbins 22 or drums 23, thrown against the glass cylinders 27 and returns by the drain pipes 28. On completion of the washing, the vat 3 is emptied, dye liquor is sucked into it through a pipe 6 from the lower vessel 4 and the rotation of the tubes 19 repeated. After dyeing the tubes are rotated whilst the vat is empty and the material is dried by centrifuge.
Patent GB-1387886-A (GB)
Title: Enzyme-containing materials
IPC: C11D3/386
Filed: 1972-05-12
Abstract: 1387886 Cleaning compositions COLGATEPALMOLIVE CO 12 May 1972 [27 May 1971] 22389/72 Heading C5D A particulate cleaning composition comprises (a) an enzyme, (b) an anionic or non-ionic surface active detergent, (c) an acidic or basic material, the pH of the composition when dissolved in water at 1% concentration at 25‹ C. being at least 6À5 but less than 8À0, but the pH of an otherwise identical solution excluding ingredient (c) being less than 6À5 or equal to or greater than 8À0. Ingredients specified include anionic detergents: sodium and magnesium lauryl sulphonates, alkyl benzene sulphonates and olefin sulphonates, non-ionic detergents: alcohol-ethylene oxide adducts, acidic materials: acidic sodium sulphate, boric acid, basic materials: sodium hydroxide. The particulate composition may also include sodium toluene sulphonate, pentasodium tripolyphosphate and water. The particulate composition may be compounded with a foaming agent, an optical brightener, a soil anti-redeposition agent, a germicide, an antioxidant, colouring, sodium perborate tetrahydrate and composite beads comprising sodium tripolyphosphate, sodium tallow soap, alcohol-ethylene oxide adduct, sodium silicate, sodium sulphate and water.
Patent GB-1102511-A (GB)
Title: Vehicle for use in spreading fluent granular material
Inventor: ATKINSON RICHARD LESLIE
IPC: A01C15/00
Filed: 1964-07-15
Abstract: 1,102,511. Material distributers. ATKINSON'S OF CLITHEROE Ltd. 19 May, 1965 [15 July, 1964; 4 Nov., 1964], Nos. 22498/64 and 44893/64. Heading A1D. [Also in Division B7] A granular material distributing vehicle having an endless conveyer belt feeding material from a hopper via a controllable outlet to a pair of spreader discs comprises a drive means detachably connected to the vehicle propeller shaft and operatively connected to the belt via a reduction gearing so that the speed of the belt may be directly proportional to the road speed. The drive means of the embodiment of Fig. 1 comprises a transmission gearing 14 connected to reduction gearing 19 via a flexible drive 16 and torque generator 17. The drive means of an alternative embodiment (Figs. 3 and 4, not shown) comprises a belt driven by a pulley connected to the propeller shaft and drivingly connected to a hydraulic metering valve which valve is connected with a hydraulic motor which drives the conveyer belt.