baber/WOPTO huggingface dataset:
Patent GB-1027660-A (GB)
Title: Process for purifying sulphur dioxide
Inventor: YOUNG DAVID GEORGE
IPC: C01B17/56
Filed: 1964-07-01
Abstract: Liquid sulphur dioxide is purified from sulphuric acid impurity by contacting it with granular, calcined bauxite.  The liquid sulphur dioxide may be passed through a filter bed of particles of the calcined bauxite, preferably of 40 x 20 or 30 x 20 United States standard mesh.
Patent GB-535342-A (GB)
Title: Improvements in or relating to hand actuating devices for switches
IPC: H01H23/14
Filed: 1939-10-04
Abstract: 535,342. Hand-actuating devices for switches. COLES, J. G. Oct. 4, 1939, No. 27201. [Class 38 (v)] A switch-operating member 18 is slidably mounted on a onepiece cover plate 15. which has two parallel slots 16 in which studs 20 engage. The handle 13 of the switch 12 is enclosed by a recess 19 in the member 18 for actuation. The recess 19 may be of cam formation to actuate push-buttons protruding from the switch 12.
Patent GB-767770-A (GB)
Title: "glove"
Inventor: KIRSCH HANS STEPHEN
IPC: A41D19/00
Filed: 1954-09-21
Abstract: 767,770. Gloves. HITCHIN GLOVE CO., Ltd. Sept. 21, 1955 [Sept. 21, 1954], No. 27299/54. Class 141. A glove comprising a thumb portion 8, a first finger portion 4 and a pocket 6 for the other fingers is made from nylon fabric which is folded at 2 and seamed together at 3, the thumb portion being separately seamed on and preferably arranged symmetrically to serve for either hand. Fourchettes 7 may be provided on the inner side of the finger portions 4, 6, of the glove.
Patent GB-371278-A (GB)
Title: Improvements in or relating to breathing appliances
IPC: A62B7/10
Filed: 1931-10-01
Abstract: 371,278. Respiratory appliances. DAVIS, R. H., 187, Westminster Bridge Road, London. Oct. 1, 1931, No. 27354. [Class 81 (ii).] Respiratory appliances of the kind incorporating an inflatable breathing bag divided by a partition into two compartments each having a tubular connection to the mouthpiece, and having a n access opening along the top for cleaning, for instance that described in Specification 17644/10, [Class 81 (ii), Medical &c. appliances], are provided with air inlet and outlet connections mounted on the side walls of the bag so that the access opening may extend completely across the top of the envelope. In the form shown in Fig. 1, the inlet and outlet fittings 8, 10 are situated on opposite side walls of the bag 1 so as to communicate respectively with the compartments formed by the ribbed partition 4. The bag is closed along its top by clamping plates 14 secured together by nuts 15. Air passes from one compartment to the other through an opening 9 beneath the partition 4, caustic soda being contained in the bottom of the bag. In a modification, Fig. 5, both fittings 8, 10 are arranged on one wall of the bag, one communicating directly with the adjacent compartment 3, the other being connected to the other compartment 2 through a tubular bridge-piece 18. In this form the partition. 4 is not ribbed but the partition and the face of the wall of the bag are provided with protuberances 21 opposite the inlet and outlet fittings so that these may not be closed if the bag be pressed against them. In both modifications a connection 16 to an oxygen bottle and a relief valve 17 may be mounted respectively on the two fittings 8, 10, and the usual non-return valves may be provided either in the mouthpiece or in the fittings 8, 10.
Patent GB-1045637-A (GB)
Title: Air line filter
IPC: F16T1/24
Filed: 1964-07-02
Abstract: Incoming air is centrifuged by fixed propeller-type vanes 82, Fig. 1, (not shown), and confined by a conical baffle 58 to the interior of the bowl 76.  Air filtered through a porous element 60 leaves at 22 while solids and liquid accumulate at the bottom of the bowl.  A drain valve 77 protected by a strainer 75 and governed by a float-operated pilot-valve permits egress of collected matter on attainment of a predetermined liquid level. A differential-pressure indicator (needing manual re-setting) shows at the top of the casing, when the filter element is clogged.
Patent GB-1032539-A (GB)
Title: Method and apparatus for drying gummed surfaces
IPC: B31B150/00
Filed: 1964-07-03
Abstract: 1,032,539. Dielectric/microwave heating. R. WINKLER, and K. DUNNEBIER. July 3, 1964 [Aug. 17, 1963], No. 27480/64. Heading H5H. [Also in Division F4] An H.F. field is produced by two or more electrodes which extend substantially in the conveying direction of a sheet of material, e.g. gummed paper, to dry the material. The gummed flaps of paper bags 16 pass on a perforated conveyer 3 beneath rod-shaped electrodes 1, 2 adjustably mounted a few millimetres above and substantially parallel to the conveyor, which electrodes are connected to an H.F. generator 13 which produces an H.F. field directed substantially parallel to and transversely of the path of travel of the bags. The gummed flaps are held flat on the conveyer by a suction box beneath the conveyer, both of which are formed of material, not heated by the field. The electrodes arc parallel to each other but may be arranged obliquely of the path of travel. In another embodiment, Fig. 4 (not shown), the rod electrodes are replaced by a hollow waveguide fed with H.F. voltage from a magnetron, the conveyer and material passing through the field present in the interior of the waveguide along a slit in the waveguide. One end of the waveguide is connected to a water load.
Patent GB-1584562-A (GB)
Title: Washing agents
IPC: C11D3/37
Filed: 1977-07-01
Abstract: In order to make possible washing of textiles at a temperature between 10 and 30 DEG C, in particular 15 and 25 DEG C, the detergent, in addition to at least one anionic, non-ionic or zwitterionic surfactant, contains a water-soluble hydroxyalkylated polyamide which contains to at least half of its weight of bound ethylene oxide and/or glycidol and/or propylene oxide or butylene oxide. The weight ratio of the surfactant to the hydroxyalkylated polyamide is between 50:1 and 2:1.
Patent GB-879819-A (GB)
Title: Improvements relating to screens or sieves
Inventor: RIEDEL ERICH
IPC: B07B1/46
Filed: 1959-08-12
Abstract: 879,819. Screening apparatus. HEIN, LEHMANN & CO. A.G. Aug. 12, 1959, No. 27600/59. Class 117. A screen comprises longitudinal bars or wires 6, Fig. 13, separated by distance pieces 1 which are welded to the bars or wires The pieces 1 may be as in Fig. 1 with projections 3, 4 which melt away when welding is effected. Various shapes of distance pieces are described, and in Fig. 12 each piece 1 has grooves 18, 19 which receive material 15 flowing out from the projections 3, 4 during welding. As shown in Fig. 13 the pieces may be staggered from one screen gap to the next to provide a more flexible screen. Apparatus for producing the screen comprises a roll 24, Fig. 17 from which the wires 25 are fed a wire straigtening device 26, a wire feed device 27, a welding device for the distance pieces 29, and a welding machine 30 for laterally welding one wire on to an adjacent one. The wire is pulled forward in steps by a carriage 27a driven from a crank drive 31 by an arm 31a engaging a lever 27d. The lever swings to some extent on the carriage and during the forward stroke of the arm 31a the end 27c of the lever presses against the wire which presses against a jaw 27b whereby the wire and carriage moves along one step, When the crank arm is moved back the grip on the wire is loosened and the carriage is retracted. Following each forward movement a distance piece is fed from a hopper to one side of the wire, and a welding ram 28a is moved towards the wire and welds the piece in position. The wire with distance pieces attached moves step-by-step into the machine 30, and when a sufficient length is in the machine the wire is severed by a device 32 and welded to a laterally adjacent wire. The thus produced portion of screen within the welding machine is then moved laterally to make way for a fresh wire length. Several welding devices 28 may be provided spaced longitudinally of the wire.
Patent GB-210825-A (GB)
Title: Improvements in or relating to upright incandescent gas mantles
Filed: 1922-11-13
Abstract: 210,825. Cartwright, G. H., and Cartwright, D. Nov. 13, 1922. Mantle s u p p o r t s ; flame spreaders.-A mantle for upright gas burners is mounted on a collar A, which fits over the burner head and is provided with projections B to rest on the burner head and with upright pieces C for supporting a flat circular flame spreader D. The collar A, projections B, upright pieces C and spreader D are all made in one piece.
Patent GB-465565-A (GB)
Title: Improvements in and relating to injection internal combustion engines
IPC: F02B23/06
Filed: 1936-10-12
Abstract: 465,565. Oil engines. MASCHINENFABRIK AUGSBURG NURNBERG AKT.- GES. Oct. 12, 1936, No. 27693. Convention date, Oct. 10, 1935. [Class 7 (iii)] A substantially pearshape combustion space is formed by a depression c in the piston and by an inclined passage b in the cylinder head. A fuel injector a is located at the neck end of the combustion space and the angle of the fuel jet follows the boundary walls of the space.
Patent GB-1491996-A (GB)
Title: Sheet metal hub assembly
IPC: B21D39/06
Filed: 1976-07-02
Abstract: 1491996 Bearings; fluid torque converters BORG-WARNER CORP 2 July 1976 [23 July 1975] 27719/76 Headings F2A and F2W [Also in Division B3] A method of assembling a cylindrical bearing sleeve 18 (Fig. 2) to a drawn hub portion 14 of a sheet metal annular part 12 (e.g. the impeller member of a hydraulic torque converter) comprises (a) semi-drawing the annular part to include a partly drawn hub portion 14, (b) placing the sleeve 18 in a die 30 (Fig. 3), (c) assembling the partly drawn annular part into said die with the hub portion partially engaged within the sleeve, (d) drawing and extruding the hub by moving an object 40 the size of the desired finished inside diameter of the hub through the hub portion 14 whereby the hub is formed to shape and forced against the sleeve 18 with sufficient force to make a permanent assembly of the hub and sleeve. The object 40 may be a hardened steel or carbide extruder ball. The sleeve 18 has slots 20 therein which are engaged by locators 36 in the die. The assembly is finished by trimming the end of the hub portion 14 and cutting slots in it to match the slots 20. A knurled surface can be provided on the internal surface of the hardened cylindrical sleeve 18. The slots 20 may receive drive tangs in use. Flat surfaces may be formed on the hub instead of slots.
Patent GB-871634-A (GB)
Title: Improvements in or relating to water-resistant films comprising esters of amylose
Inventor: RUTENBERG MORTON WOLF
IPC: C09K23/52
Filed: 1959-08-14
Abstract: Amylose derivatives which form stable dispersions, from which water-resistant films may be produced, are obtained by reacting amylose with an esterification or etherification reagent to introduce substituent branches to a degree of substitution in the range of 0,02 to 0,15.  Esterification may be effected with an organic acid anhydride, mixed anhydride or acid halide, preferably in the presence of an esterification catalyst such as pyridine, triethylamine, or an alkali metal hydroxide.  Specified anhydrides are acetic, propionic, butyric and isobutyric. Etherification may be effected by acrylonitrile, dimethyl sulphate, monochloroacetic acid, benzyl chloride, propylene oxide or allyl bromide.  The amylose may first be dispersed in water, preferably at superatmospheric pressure, or in dimethyl sulphoxide, concentrated sodium hydroxide solution, ethylamine, methylamine, aminoethanol, mixtures of hot aqueous formamide and dimethyl formamide, hot aqueous formaldehyde solutions, 50% calcium chloride or 50% calcium nitrate in aqueous solution, aqueous phosphoric acid or aqueous formic acid.  The amylose derivative may be precipitated, e.g. by pouring into an excess of ethyl alcohol and then drying in the air or over heated drums. The initial amylose may be extracted from starch or may be used as an unseparated component of a starch which contains at least 50% of amylose.
Patent GB-489017-A (GB)
Title: Improved treatment of animal and vegetable fibers
IPC: D06L3/02
Filed: 1936-10-14
Abstract: Animal fibres, e.g. rabbit hair, wool, or tussah silk, and vegetable fibres, e.g. ramie, jute, or flax, are bleached by subjecting them to the action of a chemically-acting swelling agent and, thereafter, to the action of an agent which removes colouring matter from the interior of the swollen fibres.  The bleaching is suitably preceded by a treatment with an aqueous solution of calcium hydroxide or other alkali.  Suitable swelling agents used are, for animal fibres, lactic acid and, for vegetable fibres, sodium carbonate, each in an aqueous solution containing hexyl alcohol, hexamethylenetetramine, glycerol, hydrogen peroxide, sodium pyrosulphate and a chlorinated detergent, the treatment being effected under pressure at temperatures rising to 175 DEG  F.  The subsequent treatment may be similarly effected with a similar solution from which the hexyl alcohol and hexamethylenetetramine are omitted and ammonia may be substituted for the pyrophosphate.  The hexyl alcohol may be replaced by octyl, propyl or isopropyl alcohol, the glycerol by other glycols and the hexamethylenetetramine by urea derivatives.  Silk is preferably subjected to an additional treatment with a cold aqueous solution containing hexyl alcohol and hydrochloric or sulphuric acid.  Other animal fibres are preferably subjected to an additional treatment with an aqueous solution at 150 DEG  F. of hexamethylenetetramine.
Patent GB-334390-A (GB)
Title: Improved device for skeining or interlacing tie-threads of hanks on reels
IPC: B65H54/62
Filed: 1929-09-14
Abstract: 334,390. Goldberger, F. Oct. 22, 1928. [Convention date]. Reeling-machines.-A shuttle-like carrier S for the tie-threads for skeining hanks of yarn on a reel, fitting in holders at the ends of pivoted arms which rotate together and are displaced along their axis of rotation, is passed alternately over and under the skeins. The arm 2, Fig. 2, is mounted on a shaft 1 and the arm 9 is fixed to a sleeve 6 keyed to slide axially on this shaft, the assembly being rotated and moved vertically by an arm 15 on a bush 11 in a bearing 16. The skeins are separated by a comb 18 and the shaft 1 turned successively into positions allowing the thread carrier S to pass between holders 3 and, 10 on the arms 2 and 9, the carrier S being retained in the holder 3, whilst passing under alternate skeins, by a spring sleeve 4 from which it is withdrawn, as the arm 2 moves downwards, by a latch 21 actuated by an eccentric 25. After thus passing across the hank, the return movement is similarly effected, thereby completing the interlacing of the tie-thread 23, Fig. 1. The devices may be operated from two common rails exterior to the hanks.
Patent GB-425752-A (GB)
Title: The manufacture of iodonaphtholdisulphonic acids
IPC: C07C309/43
Filed: 1934-09-29
Abstract: b -Iodonaphtholdisulphonic acids are obtained by replacing the diazo group in the corresponding diazo compounds with iodine; the reaction is effected by heating with H1 or its salts, preferably in presence of copper or cuprous salts.  According to examples: (1) 2 : 8 : 3 : 6-amino - naphtholdisulphonic acid; and (2) 2 - amino - 3 - hydroxynaphthalene - 6 : 8 - disulphonic acid, obtainable by amidating 2-hydroxy-3 : 6 : 8 - naphthalene - trisulphonic acid, and fusing with alkali, are diazotized and heated with hydriodic acid, if desired in presence of copper bronze, or with iodides.
Patent GB-228619-A (GB)
Title: Improvements in sewing machines
IPC: D05B13/00
Filed: 1923-11-07
Abstract: 228,619. Armstrong, J. J. V., (Union Special Machine Co.). Nov. 7, 1923. Sack-sewing machines, -In sewing-machine for closing filled sacks &c. the sewing-head is mounted on rails and is traversed across the mouth of the sack which is held stationary. The machine-frame comprises uprights 2 on which are slidable brackets supporting a table 320 which can be adiusted to the desired position by chains 38 carrying counterbalance weights 40 and passing over sprocket wheels 39 rotatable by a handle 43. The sewing-head is supported by a carriage comprising depending brackets 15 and is mounted on three wheels, two of which are shown at 16, 18 running on rails 11, 12. Sacks are attached to hooks 48 secured to a rail 44 passing between the needle-arm 26 and work-support 27 of the sewing-head. A line of stitching is made across the sack just below the hooks, the reaction of the feed-dog against the sacking causing the traverse of the sewing-head. The stitching- mechanism is driven by a motor 52 which actuates a driving-wheel 51 through a belt 53. An arm 55 carrying a brake-block 59 is mounted so that the block may be moved into contact with the driving-wheel 51 by hand operation, the arm also carrying a switch-block 57 with finger-studs 58 by which the current to the motor is controlled.
Patent GB-883380-A (GB)
Title: Process for the sulphochlorination of polymers containing chlorine
IPC: C08F4/00
Filed: 1960-08-12
Abstract: In a process for the sulphochlorination of polymers containing chlorine, the polymers are reacted with thiourea in order to transform them into polymer isothiouronium salts and the salts are subjected to the action of chlorine in an aqueous medium. Specified chlorinated polymers are polyvinyl chloride, polyvinylidene chloride, polychlorostyrenes, polychlorobutadienes, chlorinated polyethylene, chlorinated polypropylene, chlorinated copolymers of olefins, chlorinated rubbers and hydrochlorinated rubbers.  N-methyllated thioureas, e.g. tetramethyl thiourea may be used in place of thiourea, and the formation of the salt effected in solution or suspension, e.g. in butyl alcohol, isooctyl alcohol, 2-ethylhexyl alcohol, cyclohexanol, cyclohexanone, decalin, carbon tetrachloride, tetrachlorethane and water.  U.S.A.  Specifications 2,212,786 and 2,405,971 are referred to.
Patent GB-1016969-A (GB)
Title: Electrophotographic organic photoconductors
IPC: C07D295/135
Filed: 1964-07-07
Abstract: 1,016,969. Electro-photographically producing printing sheets. S. D. WARREN CO. July 7, 1964 [Aug. 7,1963], No. 27993/64. Heading G2H. [Also in Division H1] A lithographic duplicating maater sheet is prepared from an electro-photographic sheet. The base of the sheet which may be Al, plastic foil or paper, is rendered hydrophilic by coating with a mixture of TiO 2 , melamine formaldehyde resin and carboxymethyl-hydroxy-ethyl cellulose. The photo-conductive composition is then applied to the sheet dried, charged, imaged, developed using a resinous toner coloured with pigment and fixed by heating. The non-image areas are removed using methanol, ethanol or isopropanol, thus exposing the hydrophilic surface. Alternatively phosphoric acid and an alcohol with or without a mineral acid may be used to expose the hydrophilic surface.
Patent GB-151953-A (GB)
Title: Improvements in or relating to spring suspensions for vehicle bodies
IPC: F16F1/24
Filed: 1920-10-02
Abstract: 151,953. Lancia & Co. Oct. 3, 1919, [Convention date]. Laminar springs.-A shackle pin for vehicle springs, or a pin for pivotally connecting a spring with the vehicle comprises a hard bronze stud 3 formed with recessed ends to receive the hollow stems 4 of heads 5 which are secured on a central bolt 6 by nuts 7 bearing against springs 8 in the stems 4. In the arrangement shown in Fig. 2, the stud 3 connects the eyes 2 of a spring with an eye 1 on the frame, and is lubricated through passages 12 leading from a wick lubricator 11. Fig. 4 shows an arrangement in which the invention is applied to shackle pins. In this arrangement, oil passes from a lubricator 11 through a passage 12 in the fixed eye 1 into recesses 14, 15 in the upper stud 3 from which it passes to the lower stud through passages 16 in the shackle plates 13. The studs 3 are prevented from turning by pins 10, and washers 9 are placed between the eyes 1, 2 and shackle plates 13.
Patent GB-728647-A (GB)
Title: Improved animal drench delivering device
IPC: A61D7/00
Filed: 1953-10-14
Abstract: 728,647. Animal drenching devices. PHILLIPS, N. J. Oct. 14, 1953 [Nov. 12, 1952], No. 28251/53. Class 81 (2). An animal drenching device consists of a tubular housing in which is mounted an oesophageal tube having an outlet at the fore end and connected at its rear end directly or indirectly to a drenching gun, actuating means being provided for forcing the oesophageal tube through the tubular housing. The oesophageal tube 10 of synthetic resin is slidable within a metal housing 4 which is secured to a guide 6 of arcuate section. The guide 6 is connected by spoke like members 7 to a centre point on which the hub-like end of a supply pipe 13 is rotatably mounted. A union connected with the hub-like end enables the delivery tube of a drenching gun to be connected with the pipe 13. A flexible guard 9 is secured to the housing 4. In use, the housing 4 with the oesophageal tube 10 in retracted position is inserted in the animal's mouth. The drenching gun is then rotated so that the pipe 13 is also rotated relative to the guide 6, the oesophageal tube being by this means projected into the oesophagus for the delivery of the drench. The delivery opening of the oesophageal tube 10 is in the form of a slit 11.
Patent GB-1475329-A (GB)
Title: Synchronous motors
IPC: G04C15/00
Filed: 1974-06-26
Abstract: 1475329 Electric motors GENERAL TIME CORP 26 June 1974 28307/74 Addition to 1427162 Heading H2A In a synchronous motor of the type disclosed in the parent Specification, the stator poles carry soft iron members in one circumferential side thereof to guarantee starting of the motor.
Patent GB-282948-A (GB)
Title: Improvements relating to washing machines
IPC: D06F37/36
Filed: 1926-11-10
Abstract: 282,948. Baker Perkins, Ltd., and Corteen, W. D. Nov. 10, 1926. Controlling reversing-gearing. - Belt-shifting mechanism for a rotary washing-machine and actuated by a worm-wheel o in the gear train of the clothes receptacle, comprises a shifter arm b pivoted to a slide g which is held at the ends of its stroke by a pawl r. Two pulleys h, i are mounted on the slider. A cross-piece l carrying a pulley k and linked to the worm wheel o traverses the slider. A weighted cord i is secured at one end to the cross-piece and passes between the pulleys h, i and around pulley k. At each half revolution of the worm wheel the link in coacts with the lug q to raise the slider out of engagement with the pawl r, and allow it to move under the tension of the weighted cord and move-the shifter arm b. In Fig. 3, the pulleys h, i, are carried by the head u of a projection from the shifter arm b. The sliding member trips a retaining catch x at the ends of its travel to free the head to enable it to move under the tension of the cord.
Patent GB-786342-A (GB)
Title: Improvements in and relating to electric circuits
Inventor: RINGROSE JOHN WILLIAM
IPC: H03K17/52
Filed: 1954-10-01
Abstract: 786,342. Discharge-tube gating circuits. PLESSEY CO., Ltd. Sept. 29, 1955 [Oct. 1, 1954], No. 28329/54. Class 40 (6). The Figure shows a gating circuit in which clock pulses, Fig. 2a (not shown), applied at input 10 appear at output 14 only after cold cathode gas discharge tube V1  has been fired by a positive trigger pulse applied at terminal 12. The clock pulses subsequently cease when tube V1 is rendered non-conductive again by a trigger pulse applied to terminal 16. When tube V1 is non-conductive the potential at terminal 14 remains slightly above that at terminal 10 and clock pulses applied at 10 do not appear at output 14. When triggering pulse applied at input 12 causes tube V1 to conduct its anode voltage falls so that rectifier X1 conducts and current flows through tube V1, resistor R2 and rectifier X2 in the forward direction and the voltage of terminal 14 drops to a little below earth potential due to the action of rectifier X2. When clock pulses are applied to terminal 10 rectifier X2 conducts and output pulses are produced at terminal 14. The circuit is cleared by the application of a negative pulse to terminal 16. This results in tube V1 being cut off and the circuit reverting to its initial state. Specification 786,343, [Group XIX], is referred to.