baber/WOPTO huggingface dataset:
Patent GB-1153426-A (GB)
Title: Lawn Edge Trimmer.
Inventor: SOUTHALL CHRISTOPHER REDHEAD
IPC: A01G3/06
Filed: 1965-05-28
Abstract: 1,153,426. Edge trimmers. WEBB LAWNMOWERS Ltd. 30 Aug., 1965 [28 May, 1965], No. 22859/65. Heading A1F. A lawn edge trimmer has an edgeengaging guide 26, a power-driven rotary cutter 11 in a casing having an opening 28 for the grass, and an air impeller 12 for blowing grass cuttings through casing outlet 34 into a grass box 40 e.g. of linen or of sheet metal (Fig. 4, not shown). As shown, the trimmer is supported on tapered rollers 18 mounted on adjustable bell-crank levers 19. The cutter and impeller are both mounted on the horizontal driving shaft of a battery-operated electric motor. In an alternative, a cylinder cutter rotatable about a vertical axis may be used. The impeller may be integral with the cutter.
Patent GB-1287741-A (GB)
Title: Improvements relating to the scouring of animal fibres and kindred fibres
Inventor: WALKER DONALD
IPC: D01H5/02
Filed: 1968-11-15
Abstract: 1287741 Scouring wool etc; gelling D WALKER 7 Nov 1969 [15 Nov 1968] 23009/68 Headings D1L and D1N Wool or like fibres in a continuous stream are aligned in the direction of travel in a gilling unit and scoured while maintained in the aligned condition. A double gilling unit may deliver two laps which are scoured as a double layer, squeezed by press rolls, optionally further scoured, dried by a suction drum, further aligned in one or two further gilling units and cleaned under tension by the action of dabber pins (Fig. 4). In Fig. 2, the fibres are aligned by being drawn between lightly pressure loaded spiked rollers or equivalent means before being subjected to a conventional gilling action by gill pins 12 moving through the fibres at a greater speed than the spikes. A plurality in series of such units may be employed. In Fig. 3, scouring is effected by passing the fibres between perforated endless bands 21 and 22 which pass between two pairs of pressure rollers 25. A plurality in series of such units may be employed.
Patent GB-206121-A (GB)
Title: Improvements in processes for treating crude petroleum and other hydrocarbons to increase the yield of lighter products
IPC: C10G11/02
Filed: 1923-09-14
Abstract: 206,121. Gane, G. Oct. 26, 1922, [Convention date]. Hydrocarbons, cracking. - Heavy hydrocarbons, such as crude petroleum, which contain light fractions and kerosine fractions, or to which light hydrocarbons have been added are heated under pressure to increase the yield of light hydrocarbons obtained on subsequent distillation. The vapours may come into contact with a catalyst such as iron or copper contained in the pressure vessel or in an expansion chamber connected with it. The light hydrocarbons serve to hydrogenate the vapours and to obtain high pressures at lower temperatures. Temperatures of 100-300‹ C. and pressures not exceeding 10 atmospheres may be used. The Specification as open to inspection under Sect. 91 (3) (a) describes the use of temperatures up to 700‹ C. and of pressures above 10 atmospheres. This subject-matter does not appear in the Specification as acrepted.
Patent GB-802762-A (GB)
Title: Rubber latex compositions heat-sensitized with polyalkoxy-1-alkanols
IPC: C08C1/14
Filed: 1956-07-26
Abstract: A latex composition adaptable for the manufacture of natural or synthetic rubber articles by coagulation at a temperature between 30 DEG  and 130 DEG  C., contains as a heat-sensitizer at least one polyalkoxy-1-alkanol of the formula <FORM:0802762/IV (a)/1> where R and R1 are either an alkyl or an alkoxyalkyl group, R11 consists of hydrogen, or an alkyl or an alkoxyalkyl group, and n is an integer of 1 to 40.  Several polyalkoxy-1-alkanols are specified, those preferred being polymethoxy-1-alkanols of the above formula in which n is 6,11,16 and 21, respectively.  The synthetic rubber latex may be selected from latices of polymers of 1,3-butadiene or copolymers thereof with olefins, diolefins, a -methylene carboxylic acids and their esters, nitriles, and amides, and of a polymer of 2-chloro-1,3-butadiene.  Before the heat-sensitizer is added to natural rubber latex the pH value thereof may be reduced to about 7.5 by the addition of an acid or acid salt, e.g. hydrochloric acid, formic acid, etc., or formaldehyde, after adding a stabilizer such as a polyoxyethylated oleyl alcohol which prevents coagulation of the latex by the added acid or acid compound.  There may then be added an aqueous dispersion of vulcanizing ingredients comprising kaolin, zinc oxide, sulphur, mercaptobenzothiazole or zinc dimethyldithiocarbamate, and the sodium salt of sulphonated naphthalene-formaldehyde condensate. The resulting mix may be used for the manufacture of rubber articles by dipping, or for the impregnation of paper, or for the manufacture of sponge rubber. U.S.A. Specifications 1,970,578, 2,165,962, 2,213,477, 2,446,115 and 2,618,663 are referred to.
Patent GB-339639-A (GB)
Title: Improvements in domestic gas ovens and method of lighting preventing their use for ulterior purposes
IPC: F24C3/12
Filed: 1929-07-30
Abstract: 339,639. Smith, H. July 30, 1929. Drawings to Specification. Oven shelves.-According to the Provisional Specification, the oven shelves are of the grid type and have bolted to them flat strips with an upstanding part at the back to retain articles on the shelves. The sides are turned up at the back to form tapered projections adapted to engage one or other of a series of holes in the upper member of the runners which may also be fitted with rollers at the front. Reference has been directed by the Comptroller to Specifications 12460/86, 10306/89, 10996/92, 9182/96, and 1519/01.
Patent GB-996588-A (GB)
Title: Methylenation catalyst and process
IPC: D06M13/12
Filed: 1961-06-28
Abstract: A textile treatment composition comprises a polybasic oganic acid, e.g. citric, tartaric, itaconic or succinic acid or maleic anhydride, a polyvalent metal salt of a Lewis acid, e.g. magnesium nitrate, calcium nitrate, aluminium chloride, zinc chloride, chromium acetate, barium nitrate or zinc nitrate, and an alkali and/or alkaline earth metal hypophosphite and/or nitrite, e.g. sodium, calcium or magnesium hypophosphite and sodium nitrite. Specification 936,993 is referred to.ALSO:Cellulosic textile materials, e.g. cotton or regenerated cellulose materials, and shrinkproofed by impregnating them with an aqueous solution containing an aldehyde, e.g. formaldehyde, glyoxal, a -hydroxyadipaldehyde or glutaraldehyde, or aldehyde-liberating compound, e.g. methylol ketones, para-formaldehyde or trioxane, and as catalyst a composition comprising a polybasic organic acid, e.g. citric, tartaric, itaconic or succinic acid or maleic anhydride, a polyvalent metal salt of a Lewis acid, e.g. magnesium nitrate, calcium nitrate, aluminium chloride, zinc chloride, chromium acetate, barium nitrate or zinc nitrate, and an alkali and/or alkaline earth metal hypophosphite and/or nitrate, e.g. sodium, calcium or magnesium hypophosphite and sodium nitrites and then drying and heating at temperatures in the range of from 185 DEG F. when heated for 30 minutes to 400 DEG F. when heated for 30 seconds.  The treating composition may also contain methylol ethylene ureas, methylol acetylene diureas, methylol dihydroxyethylene ureas, methylol triazones, an acrylic emulsion and wetting agents.  After curing the textile material in an unwashed condition may be impregnated with an aqueous solution of a cyclic urea and then heated.  The textile materials may also be subjected to calendering, pleating and ruffling.  After curing, the materials may be washed with an aqueous solution containing sodium perborate and a wetting agent, rinsed and dried.  Specification 936,993 is referred to.
Patent GB-813627-A (GB)
Title: Improvements in or relating to links for an articulated link cartridge belt
Inventor: SATCHWELL FRANCIS JOHN
IPC: F42B39/08
Filed: 1954-08-12
Abstract: 813,627. Articulated link cartridge belts. FRENCH & SONS Ltd.. T. Aug. 11. 1955 [Aug. 12, 1954], No. 23386/54. Class 92 Relates to an articulated cartridge belt in which each link comprises an arcuate central arm 13, Fig. 1, extending in one direction from root portions 24, 25 and a pair of arcuate outer arms 14, 15 spaced apart and extending in the other direction, the arms 14, 15 being adapted to grip the cartridge whilst the arm 13 of an adjacent link is located between the arms 14, 15 and hinges freely about the cartridge. In order to reduce the pitch or spacing of the links without prejudice to free hinging movement of the links, the central arm 13 of each link is formed with a raised stiffening rib 17 having at its root end an aperture 18 whereby the rib of the central arm of the adjacent link can extend partly into the aperture to intersect the arc of the ribbed centre portion 17, during hinging movement of the links. The outer arms 14, 15 are also provided with ribs 19, 20, with gripping indentations 22, and with outwardly turned flanges 14a, 15a on their inner edges. An extension 16 on the arm 15 has an end portion 16a adapted to engage the cannelure groove of the cartridge. The clips may be made of half-hard mild steel or strong light metal alloy.
Patent GB-784520-A (GB)
Title: Improvements in purification of crystals and concentration of solutions
IPC: B01D9/00
Filed: 1954-08-12
Abstract: In processes for purifying crystals formed by cooling crystal-forming liquids in which a mass of crystals is moved towards a melting zone and the resultant liquid is in part refluxed countercurrent to the crystals and in part removed, the crystals are stirred during their movement towards the melting zone to prevent channelling by the reflux stream and to ensure more efficient mixing of the reflux and crystals. <PICT:0784520/III/1> The stirring is such as to impart no downstream force to the crystals.  The process may be used to obtain concentrates by freezing out solvent from solutions.  Fig. 2 shows a suitable apparatus in which crystals formed in a scraped surface chiller 13 are fed by gravity through a filter section 14 into the purifying column 16 at the end of which they are melted by a heater 34 and the melt partly withdrawn at 48, the remainder passing back to the filter section 14.  This may comprise a single filter, mother liquor and reflux being withdrawn together or, as shown, two filter sections divided by a partition 56 from which mother liquor and reflux may be withdrawn separately.  The mother liquor and reflux may be recycled in part to chiller 13.  An extension of the scraper shaft 22 in the chiller carries scrapers to prevent clogging of the filter screen 52, and a further extension carries stirring arms 33 to stir the mass of crystals in the purification column 16.  The wall of the column may carry stationary arms 66 to prevent the crystals rotating as a solid mass.  The Specification also describes apparatus (Figs. 3 and 4, not shown), in which a scraped surface chiller feeds crystal slurry to a pair of inclined arms meeting at the top of the purifying column and fitted with pistons which feed the slurry to the purifying column.  In a further embodiment a single arm fitted with a piston is used.  The process may be used for the separation of close-boiling hydrocarbons and other organic compounds as set forth in Specification 734,756 and for the concentration of fruit juices and beverages by freezing out water and purifying the ice crystals.  In an example high purity cyclohexane is obtained from a commercial product containing 85 per cent cyclohexane.
Patent GB-373020-A (GB)
Title: Improvements in the construction of tennis and like racquets
IPC: A63B49/10
Filed: 1931-08-20
Abstract: 373,020. Tennis, &c. rackets. TUNMER & CO., A. A., 47, Rue Vallier, Levallois, Perret, Seine, France. Aug. 20, 1931, No. 23440. Convention date, May 4. [Class 132 (ii).] In tennis and like rackets wherein the frame and handle comprise a plurality of laths 1 which are arched and glued simultaneously, the laths engage one another by means of a.tongue 6 and groove 5. A orescent-shaped reinforcement piece 7, covering only the top part of the. core and the two shoulders is glued over each side of the frame.
Patent GB-1167653-A (GB)
Title: Improvements in and relating to Installations incorporating Moving Beds
IPC: B01D46/32
Filed: 1967-05-19
Abstract: 1,167,653. Ion-exchange. COMMISSARIAT A L'ENERGIE ATOMIQUE and SOC. GRENOBLOISE D'ETUDES & D'APPLICATIONS HYDRAULIQUES SOGREAH. 19 May, 1967 [20 May, 1966; 9 July, 1966], No. 23467/67. Heading B1J. An ion exchange column 1 is fed with fresh exchanger from storage tank 3 by compressed air in conduit 9 which forces the predetermined quantity of liquid between electrodes 6 and 7 which liquid in turn forces the liquid in space 4 to supply an equivalent quantity of solid to the column. Fresh liquid is supplied by pipe 12. In Fig. 2 not shown there is illustrated a cyclic exchange and regeneration process using the above principle.
Patent GB-944283-A (GB)
Title: Improvements in or relating to dental drilling and like tools
IPC: A61C1/14
Filed: 1960-07-05
Abstract: 944,283. Dental tools. P. HOPF., and H. HOPF. July 5, 1960 [April 28, 1960], No. 23490/60. Heading A5R. [Also in Division B3] A dental drilling tool has a shaft 3 which is axially slotted to form a plurality of parts so that, when fitted in the chuck of a high speed drill, they expand outwardly under centrifugal force to grip the chuck. A slot 4 extends diametrically from the end of the shaft remote from a burr 2, a transverse bore 5 being formed at the inner end of the slot. Alternatively, two slots crossing on the axis of the shaft may be formed.
Patent GB-927911-A (GB)
Title: Electro-dynamic coupling arrangements between a prime mover and an electricity generator
IPC: H02K49/00
Filed: 1959-07-08
Abstract: 927,911. Electromechanical systems for transmitting mechanical power; dynamo-electric machine driving arrangements. LICENTIA PATENT - VERWALTUNGS G.m.b.H. July 8, 1959 [July 8, 1958], No. 23498/59. Classes 35 and 38 (4). A coupling 3 providing more than one speed between a prime mover 2 and a rotating field machine 1 has windings 8, 9, one of which is a multiphase winding connected to the same mains as the machine 1, or alternatively may be closed by means of a switch or resistances or, in an alternative arrangement may be connected to a D.C. main. When the A.C. winding is connected to the same mains as machine 1, a speed difference equal to the synchronous or asynchronous speed of the mains will exist between the prime mover 2 and machine 1. The coupling may be constructed in the form of a synchronous or an asynchronous machine. The coupling may be adapted for pole changing, or may be fed with D.C. to both windings. The coupling may be built into the rotating part of the machine 1.
Patent GB-501525-A (GB)
Title: Improvements in or relating to exercising apparatus
IPC: A63B69/06
Filed: 1937-08-30
Abstract: 501,525. Exercising-apparatus. LANDON, L. W. Aug. 30, 1937, No. 23649. [Class 132 (i)] An exercising-apparatus. comprises a pair of side frame members 1 on which a seat 13 is slidably supported, and cross members 3 and 4 arc provided at or near the opposite ends of the frame, one cross member 4 being shaped to rest on the floor and to form the sole means of supporting the rear end of the frame at a higher level than the forward end, while the other cross member 3 is shaped to form a foot rest. The cross members are formed of metal tubing covered with rubber sleeves and detachably bolted to the members 1. The seat 13 is provided with rollers which run in metal strips 2 on top of the members 1 while further rollers 16 running on the side of members 1 keep the seat on the tracks 2.
Patent GB-926961-A (GB)
Title: Improvements in or relating to hydraulic pumps
Inventor: COOKE FRANK
IPC: F04B9/14
Filed: 1959-07-10
Abstract: 926,961. Reciprocating pumps. E. PASS & CO. Ltd. July 11, 1960 [July 10, 1959], No. 23712/59. Class 102(1). A hydraulic pump includes a rocker arm 12, two pistons 13 pivotally secured to the arm and each reciprocable in a respective cylinder 14, which has an inlet ball valve 18 from a common reservoir 31 formed by the two component parts 11a 11b of the pump body and an outlet 19 via a ball valve, Fig. 6 (not shown), to a common outlet 32, such that as one cylinder is discharged the other is filled. A ball valve pressure release mechanism, Fig. 4 (not shown), opened by a lever actuated push rod, returns liquid to the reservoir, and a pressure relief safety ball valve 33, is connected to the load side of the outlet valves 19. In another form the two pistons are oppositely directed relative to the rocker arm, the two cylinder formations having aligned axis and the actuating means being such as to cause the pistons to reciprocate in the cylinders.
Patent GB-810511-A (GB)
Title: Improvements in or relating to self-lubricating bearing units
IPC: F01D25/18
Filed: 1956-08-02
Abstract: 810,511. Lubricating bearings. CARRETT CORPORATION. Aug. 2, 1956 [Sept. 19, 1955], No. 23840/56. Classes 12 (1) and 12 (3). A cartridge-type bearing unit comprises a casing 11, having end plugs 15, 16, in which preloaded bearings 13, 14 are mounted to support a shaft 24 which passes through the end plug 15, and oil mist lubricating means for the bearings disposed within the casing 11. The bearings 13, 14 are spaced by a sleeve 28 having ramped end portions from which oil is thrown outwardly through the races of the bearings, the oil having been fed to the ramps from oilsoaked washers 19 and wicks 47. After passing through the bearings 13, 14, the oil is thrown outwardly by slingers 26, 27 and returns to the central reservoir of washers 19 through longitudinal grooves 49 in the casing 11. Wick retainers 17, 18 carrying the wicks 47 are located adjacent the ends of the washers 19 and these have radial holes 53 for the passage of oil. The unit is particularly applicable to a high-velocity turbine-driven fluid circulating unit for air conditioning and refrigeration systems.
Patent GB-426384-A (GB)
Title: Improved method of and apparatus for burning wet material and the like
IPC: F23G5/44
Filed: 1934-08-18
Abstract: 426,384. Refuse-consuming furnaces. BABCOCK & WILCOX, Ltd., Babcock House, Farringdon Street, London.-(Babcock & Wilcox Co. ; 85, Liberty Street, New York, U.S.A.) Aug. 18, 1934, No. 23870. [Class 51 (i)] An installation for consuming refuse comprises a pulverized-fuel steam-generator furnace 10, 11, having at one side an extension fitted with an inclined water-cooled grate 16 which is directly exposed to the flame from the burner 19, so that the refuse fed thereto is dried and burnt and the incombustible portions melted, the slag thus produced being collected and maintained as a pool 13 on the floor of the combustion chamber 10 from which it is withdrawn at intervals through a tapping-hole 14. The grate 16 consists of a steeply-inclined portion 16<a>, to which the refuse is fed from a hopper 17 by crushing- rollers 18, and a succeeding portion 16<b> of less inclination, both portions having perforations for the passage to the refuse of preheated combustion air which is supplied from a chamber 28 through separately controlled ducts 23 ... 27. A further supply of preheated air is delivered through the dampercontrolled roof port 20 from the box 21 which supplies secondary air to the burner 19. Fig. 3 shows a modification in which the burner 7 is disposed in the rear wall of the combustion chamber 1, the refuse being fed by pushers 27 on to an inclined surface 19 which forms the floor of the extension 13 and has perforations for the passage of air to the refuse. Water tubes, connected in the circulation system of the boiler 2, are incorporated in the walls of the combustion chamber 1 and extension 13.
Patent GB-990716-A (GB)
Title: Means for connecting tubular conduit members
IPC: F16L19/02
Filed: 1963-06-14
Abstract: 990,716. Hose couplings. C. SCHULERVOITH, M. VOITH, H. W. SCHWEPPENHAUSER, and C. KNAPP, [trading as VOITHGETRIEBE KOMM. GES]. June 14, 1963 [June 14, 1962], No. 23873/63. Heading F2G. Means for releasably connecting the flanged rim 5 of a conduit 4 of resilient yieldable material to another conduit 3 of non-yieldable material in a gas-tight manner comprise clamping means 8, 9 that press upon a non- yieldable intermediate ring having a flanged rim 6 parallel to, and on the side of the flange 5 remote from, the plane of separation of the connection and a cylindrical skirt 7 that encloses the periphery of the flange 5. The clamp 8, 9 screws on to the conduit 3 at 14. The depth 10 of the skirt 7 is less than the depth of the flange 5 by a distance 11 through which the flange 5 is compressed when the conduits are connected. The mating faces of the ends of the conduits 3 and 4 are chamfered so that the yieldable conduit tends to spread outwards against the intermediate ring 6, 7. Other forms of mating surfaces and other clamping means than the screwed ring may be used.
Patent GB-974251-A (GB)
Title: Joint for ducts or pipes
IPC: F16L27/107
Filed: 1962-06-21
Abstract: 974,251. Pipe joints. JOHNS-MANVILLE CORPORATION. June 21, 1962 [June 22, 1961], No. 23907/62. Heading F2G. A pipe joint comprises a pair of asbestos cement ducts or pipes 5, a stretchable coupling 1 having a cylindrical inner portion 3 joined to two tapering outer portions 4 comprising one or more laminations of asbestos paper extending between and joining the end portions of the pipes and a hygroscopic acrylic resin coating applied to the surface of the coupling contacting the pipes for uniting the coupling to the pipes. The coupling comprises asbestos paper sized with an acrylic binder and impregnated with a water emulsion acrylonitrile latex which is then wound convolutely. A protective material of a glass cloth scrim or a polyester film impregnated with a water emulsion acrylonitrile and a waterproof latex is applied to the outer surface of the asbestos coupling. The hygroscopic coating serves to bond the coupling and the pipes to- , gether when it absorbs water.
Patent GB-1389344-A (GB)
Title: Surgical operation table
IPC: A61G9/00
Filed: 1972-05-22
Abstract: 1389344 Operating tables MATBURN (HOLDINGS) Ltd 10 May 1973 [22 May 1972] 23935/72 Heading A4J A surgical operating table comprises a main support section 4 slidably mounted on a frame 3, a lower thigh support 5 removably mounted on the frame 3 and a leg section 6 movably supported on the frame 3 for movement between an in-use position adjacent the thigh support and an out-ofuse position beneath the main section, movement of the leg section being guided by engagement of the ends of a bar 12 on which the section is mounted in slots 5 in the frame. The main section may be provided with wheels (4a) Fig. 5 (not shown) which engage the sides of the frame and may be locked against movement by a spring- loaded pin (8), Fig. 3 (not shown) engaging an aperture in the frame. The leg section 6 may be supported on a bracket 26 or may hang vertically from the slots in the out-of-use position.
Patent GB-226613-A (GB)
Title: Improvements in electrolysis and more particularly in its application in operating internal combustion engines, internal combustion turbines and the like
IPC: F02K9/00
Filed: 1923-09-25
Abstract: 226,613. Benson, M. Sept. 25, 1923. Materials, special. - A method of generating power consists in heating a fluid at. a pressure above its critical pressure to a temperature above its critical temperature, dissociating it by electrolysis, exploding the constituents in an engine, condensing the fluid and returning the condensate to the heater. The fluid is preferably water. It may be heated to such a degree above the critical temperature that when expanded to atmospheric pressure it remains dry. Sufficient fluid may be left undecomposed to regulate the temperature and pressure at which ignition takes place, the velocity of flame propagation, and the temperature and pressure drop in expansion. Specifications 201,296 and 201,304, [both in Class 122 (iii), Steam-engines, Kinds &c.], are referred to.