baber/WOPTO huggingface dataset:
Patent GB-193287-A (GB)
Title: Improvements in harvesting machines
IPC: A01D34/135
Filed: 1922-03-02
Abstract: 193,287. Sidebottom, R. B. March 2, 1922. Harvesting-machines. - The knife-bars of a harvesting-machine are driven in opposite directions at different rates, one bar being driven from the other by a pivoted lever of which one arm is considerably longer than the other. In the form shown, the upper knife-bar D is driven by a cam or eccentric E through a connecting-rod e and a ball-and-socket joint e<1>. The ball of the joint is mounted on a plate F which is secured to the knife-bar D and which carries a block C with two downwardly extending projections c. A lever H is pivoted on a pin g mounted on the shoe of the machine and has one arm h which fits between the projections c about twice the length of its other arm h<1> which engages in a slot in the lower knife-bar J. The upper knife-bar is thus given about twice the speed of the lower bar. A clearance space is provided between each pair of knife sections d. j.
Patent GB-579443-A (GB)
Title: Improvements in or relating to building construction
IPC: E04B1/24
Filed: 1944-04-04
Abstract: 579,443. Buildings. CHAPMAN, R. April 4, 1944, No. 6292. [Classes 20 (i) and 20 (iv)] A building i formed from a serie: of rectangular or U-shaped metal or wooden frames secured together by bolts &c. passing through apertures 6 in their sides an: having grooves or channels 3 in their faces so that when the frames are assembled tubular spaces are formed through which continuous vertical or horizontal rods for reinforcing the framework may be passed. During transport to the site walling and insulating slabs are carried within the frame; these are subsequently removed and secured on or in the frame. The joints may be covered by strips.
Patent GB-1525803-A (GB)
Title: Method and apparatus for making high purity amorphous silica fibres having excellent resistance to devitrification
IPC: C03C25/68
Filed: 1976-02-18
Abstract: 1525803 Silica fibres JOHNS-MANVILLE CORP 18 Feb 1976 [6 March 1975] 06331/76 Heading C1M Amorphous silica fibres are made by:- placing a mass 70 of leachable glass fibres in a tank 22 in digestor 20; covering the fibrous mass 70 with leaching solution 28 and heating the solution to 180-205‹ F while withdrawing the solution from below the fibrous mass 70 (e.g. from 44) and recirculating it (through system 42) to above the mass 70 (e.g. to rotating spray head 58); periodically stirring in the horizontal plane (e.g. with rotating stirrer 74) the fibrous mass 70 to prevent compaction; draining the leaching solution (e.g. from 40) and rinsing, the rinse liquid being recirculated through system 42 if required and the fibres being periodically stirred; and drying the rinsed fibres. The glass fibres used initially consist essentially of, in weight per cent: SiO 2  72À6-75, Na 2 0 at least 23, Al 2 0 3  0À02-0À16 and TiO 2  less than 0À01. The leaching may be for ¢-9 hours, the fibres being stirred for about 3 minutes per hour. The leaching may be with sulphuric or hydrochloric acid. Tank 22 may be of stainless steel or copper-nickel alloy. The fibrous mass 70 is preferably held in basket 32, which may be polyethylene-coated. In alternative embodiments, the spray head and stirrer may be combined (Fig. 3, not shown) or the stirrer may be installed in the tank (Fig. 5, not shown).
Patent GB-867916-A (GB)
Title: Vulcanisation of articles made from rubber latex
Inventor: CALVERT KENNETH OSBORNE
IPC: C08K5/14
Filed: 1957-02-26
Abstract: Rubber articles are made by shaping a rubber latex containing an organic peroxide of formula R,C(CH3)2,O,O,C(CH3)2,R, R being a saturated hydrocarbon radical or an aromatic hydrocarbon radical, and heating to vulcanize the shaped latex.  The latex is formed into the desired shape by gelling in a mould, or a former is dipped into the latex and the deposit on the former allowed to dry.  Heating may be at 130 DEG -170 DEG C.  According to Example 1: ammoniated 60% natural rubber latex was compounded with the antioxidant symm. di-beta-naphthyl-p-phenylenediamine, potassium oleate and 3,1 parts of dicymyl peroxide per 100 parts of rubber.  The compounded latex was foamed, by heating in air, to 5 times its volume.  Zinc oxide, diphenylguanidine as a gelling modifier, and then sodium silicofluoride, were stirred into the foam, and the foam was poured into moulds to gel. the gelled, foamed latex, removed from the moulds, was heated in steam at 150 DEG C. for 30 mins. and then dried.  According to Example 2: 60% natural rubber latex was compounded with an antioxidant 2, 21-methylene bis (4, 41-diethyl-6, 61-ditertiary butyl phenol) and 1,9 parts of dicumyl peroxide per 100 parts of rubber.  The compounded latex was cast in 1/16 inch deep moulds, and allowed to dry out at room temperature.  The sheets so formed were heated in steam at 150 DEG C., and dried.
Patent GB-989608-A (GB)
Title: Circulating oil-lubricated double-twist apparatus
IPC: D01H1/10
Filed: 1964-02-14
Abstract: 989,608. Two-for-one twist apparatus. L. SAVIO. Feb. 14, 1964 [Feb. 14, 1963], No. 6362/64. Heading D1D. In two-for-one twist apparatus, the stationary part of the apparatus on which the bobbin is mounted is provided with an oil-cup having ducts and members whereby the circulation of oil is promoted centrifugally to bearings between the stationary oart and a guide-tube for the thread which is rotatable with the spindle proper. The bobbin is carried by a part 8 which is held stationary, a flange 108 thereof being connected by a pin 10 to a flange 9 which is held by magnets 11, 12. Inside the part 8 mounted on bearings 6, 7 is a tube 4 coupled to a disc 2 with a radial duct 3 and rotated with the driven spindle 1. The flange 108 forms a cover for an oil-cup 13, the inner wall of which is received between a hub 102 and a bell 14 connected to the disc 2. Fixed inside the cup is a bush 15 forming a chamber 16 in which the bell 14 rotates. Oil passes to this chamber through ducts 17 on to a flange, teeth, or blades 114 of rotating bell 14 and is forced centrifugally through ducts 25, 24, 22, 23 to reach upper bearing 6. The oil returns to the chamber over bearing 7. The bearings are positioned by a bush 18, and nuts 19, 20 on the tube 4. Between the upper section of the bobbin-carrying part 8 the tube 4 is fitted a hollow member 26 forming an extension of tube 4 and over which is fitted the bobbin which has conical flanges 227, a spring-urged connector 28 being provided which passes through fixed part 8.
Patent GB-955591-A (GB)
Title: Improvements in or relating to gauging the volume of liquid products of continuous processes
Inventor: SHORE DAVID TELGNMOUTH
IPC: G01F13/00
Filed: 1960-02-23
Abstract: 955,591. Liquid meters. A.P.V. CO. Ltd. Feb. 23, 1961 [Feb.23, 1960], No.6403/60. Heading G1R. A method of gauging volume of liquid from a continuous process consists in feeding the liquid into one of several gauging vessels which pass any liquid in excess of their capacity to an overflow line leading back to the product output line, detecting the flow of liquid in the overflow line and consequently diverting the output flow to another gauging vessel allowing overflow until the former gauge vessel is to the correct level and then discharging it. In the brewery plant illustrated gauge vessels 1 and 2 take hot hopped wort through a pipe 3a from a flush vessel 3 to which it has been pumped from extractor vessels 5 and the discharge from the vessels 1 and 2 is taken by a pipe 6 to a tank and thence to a cooling plant 8. The effective volume of vessels 1 and 2 is governed by the height of overflow pipes 9 through which the wort overflows and is pumped therefrom through a pipe 10 back to the flash vessel 3. Each gauging vessel has an air vent 15 and a sight glass 14. Valves A to F control the inlet, outlet and overflow from the tanks 1 and 2 and for purposes of customs supervision can be operated by air transmission through lines 18 which are regulated by an element 17 which is responsive to the temperature of the hot wort by way of a preset relay at 11 and a counter 21. Sampling valves 12 are also operated by the airlines 18.
Patent GB-200860-A (GB)
Title: Improvements in or relating to gaseous or liquid fuel burners
IPC: F23D11/10
Filed: 1923-01-04
Abstract: 200,860. Laing, A. Jan. 4, 1923. Blowpipe burners; spray burners.-In a gaseous or liquid fuel burner comprising a burner body a, an air or steam inlet a<5>, an inner fuel tube b, b<3> having a tapered end, and an adjustable nozzle e threaded in the burner body, one or more spacing washers e<3> are inserted between the nozzle and the burner body to determine the position of the nozzle in respect to the fuel tube. In the construction illustrated, the fuel tube is secured to the burner by a coupling f screwing on the burner body or formed with a helical surface engaging a recessed portion a<4> on the burner body. Soft washers b<9>, b<10> are interposed between the burner body and collars b<7>, b<8> on the fuel tube. Fuel is supplied to the burner body through a connection a<3> and passes through slots b<3> into the tube b, b<1>. An adjustable valve spindle c formed with guides c<4> controls the outlet from the tube b, b<1>. A spiral cone d, Fig. 3, is fitted between the nozzle e and the tube b, b<1>. The burner body is formed with a flange a<9> by which it is secured to the front plate g' of an air director g. The entrance of air through apertures g<5> in the fixed sleeve and through apertures in the front plate g<7> is regulated by rotating an apertured sleeve g<2> and an apertured louvre g<9> respectively.
Patent GB-589010-A (GB)
Title: Friction or gripping devices for tread surface of footwear
IPC: A43C13/04
Filed: 1945-03-15
Abstract: 589,010. Slip-preventing devices for footwear. RICHMOND, W. March 15, 1945, No. 6480. [Class 17 (iii)] Means for preventing slipping or skidding on icy surfaces or the like comprise one or more plates A of metal or other material in slots, recesses or the like in which are retained in a detachable manner spring blade inserts C. Such inserts may be substantially straight and sprung as shown into curved slots or the springs may be curved and the slots straight. A spring washer may be placed behind the plate.
Patent GB-418343-A (GB)
Title: Improvements in manoeuvre signalling apparatus for use on motor vehicles
IPC: B60Q1/36
Filed: 1934-02-28
Abstract: 418,343. Road-traffic signals on vehicles. BRANDETTI, A., 30, Borgo Pio, Rome. Feb. 28, 1934, No. 6503. [Class 118 (ii).] A direction-signalling device for motor vehicles comprises a main casing 1, containing solenoid-operated pivoted arms 22, 23, and a cylindrical extension 2 formed integrally with the main casing and containing the stop lamp 9, an opaque screen 5, the usual rear light 10, and a window 4 for illuminating the number plate. Lamps in the movable arms and corresponding lamps at the sides of the vehicle are conneted in parallel with the solenoids 20, the circuits to the latter passing over resilient contacts 19.
Patent GB-312966-A (GB)
Title: Improvements in means for use in connection with pumps for preventing waste of liquid
IPC: F04B9/14
Filed: 1928-03-01
Abstract: 312,966. Ovenden, J. F., and Thompson, F. March 1, 1928. No Patent granted (Sealing fee not paid). Waste liquid, catching and returning. - The waste beer, caught by the drip cap o passes into the return pipe v through a spring-loaded valve s and enters the cylinder a at a point just below the piston h when it is nearing the top of its stroke. The valve s is retained against its seating r by a spring u, the compression of which can be adjusted by means of a screw flange y.
Patent GB-1420792-A (GB)
Title: Telecommunication cables
IPC: H01B7/282
Filed: 1973-02-09
Abstract: 1420792 Filled cable BICC Ltd 8 Feb 1974 [9 Feb 1973] 6513/73 Heading H1A A telecommunication cable comprises a core of insulated conductors 1 and, surrounding the core, a conductive screen which is deformed at intervals to form substantially fluid-tight seals 9 with the underlying core, the annular spaces 4 between the fluid-tight seals being filled with a water-impermeable grease-like medium. The conductive screen is formed from a metallic tape 6 with an adherent layer 7 of a plastics material, e.g. polyethylene or polypropylene, which is bonded to the waterproof plastics sheath 10, of polyethylene for example. The tape 6 may have a second plastics layer 5. The interstices within the cable core may be filled with a waterimpermeable grease-like medium that is the same as or is compatible with the medium used to fill spaces 4, and may contain particulate siliceous material to render the medium resistant to flow at normal cable operating temperature. A list of especially suitable filling media is given. At least one layer of insulating tape may be provided between the outer layer of conductors and the composite tape forming the screen. Preferably the conductors are insulated with a cellular plastics material such as cellular polyethylene or cellular polypropylene. A method of manufacture comprises coating the outer surface of the core with a layer of a water-impermeable grease-like medium, preferably at such a temperature that the medium is in a substantially semi-solid state, wrapping the composite tape around the core so that longitudinal edges overlap, deforming the composite tape, preferably by passing the screened core through a corrugating head, to produce substantially fluid-tight seals at intervals along the cable and applying a substantially waterproof plastics sheath in such a way that it bonds to the outermost plastics layer of the composite tape.
Patent GB-471535-A (GB)
Title: Improvements in or relating to suspension arrangements for road vehicles
IPC: B60G11/00
Filed: 1936-03-05
Abstract: 471,535. Vehicle spring-suspensions. ARMSTRONG PATENT SUSPENSION CO., Ltd., G., and ARMSTRONG, F. G. G. March 5, 1936, No. 6628. Addition to 429,596. [Class 108 (ii)] The wheel suspension described in the parent Specification is modified so as to comprise a strong lever pivoted to the frames on a transverse axis and carrying a wheel member which is guided by a relatively weak link connecting the member to, and pivoted transversely on, the frame, resilient means being mounted between the member and the frame or a bracket thereon. The wheel - carrying member 11 having a socket 10 for the king-pin is arranged as a housing to which, by means of a pivot 12, a strong lever 13 is connected, the other end 16 of which is bent at right-angles and forms the pivot by which it is connected to a frame tube 17. A coiled spring having stop buffers 33, 34 is arranged between seatings connected respectively to the member 11 and to a bracket 31 carried by the frame 18 or frame tube 17. The end 16 of the lever may be mounted at both ends in bearings in the tube 12 or the inner end may be fixed, in which case the part 16 serves as a torsion spring, or it may be fixed to a resilient block 27 which acts as a stabilizer.
Patent GB-241445-A (GB)
Title: Improvements in blocks for building purposes
IPC: E04B2/22
Filed: 1925-03-11
Abstract: 241,445. Simmons, E. W. March 11, 1925. Building blocks, special shapes of.-A building block comprises three integral members, one being a main member having vertical walls with plane exterior faces and enclosing a rectangular space divided internally into two parts by a diagonal or normally disposed inner wall, and the others comprising extension members on each of two opposite or adjacent sides of the main member, the extension members each comprising vertically disposed walls enclosing a rectangular space and having dimensions in two directions equal to half the corresponding dimensions of the main member, the whole block having not less than six vertically disposed plain walls. Fig. 1 shows a T-shaped black in which 10 is the main member and 11, 12 are the extension members, while Fig. 2 shows another construction in which the extension members 11, 12 project from the same corner of the main member. Figs. 3 and 4 show other constructions suitable for corner blocks.
Patent GB-1082122-A (GB)
Title: Starch modifiers
IPC: C08F8/00
Filed: 1965-02-16
Abstract: A composition comprises starch and a part amide, part salt of a styrene-maleic anhydride copolymer in which the salt cations are ammonium or alkali metal.  The amide and salt groups may be present in the equal quantities in the copolymer which may have a molecular weight of 3000-15,000 and be present in the composition as 1-90% by weight of the starch. The copolymer may be prepared by heating styrene and maleic anhydride in bulk in the presence of benzoyl peroxide and then treating with gaseous ammonia until the product is devoid of carboxyl groups, to give a half amide, half ammonium salt which may then be dissolved in aq. sodium hydroxide, the sodium ion displacing the ammonium ion.  The starch may be a hydroxyethylated corn starch and the composition may be an aq. dispersion.  The compositions were used to size paper.ALSO:A method of sizing a fibrous web comprises applying to the web an aqueous dispersion of a composition comprising starch and a part amide, part salt of a styrene-maleic anhydride copolymer in which the salt cations are ammonium or alkali metal or of separate solutions of the starch and copolymer.  The web may be a fibrous cellulosic web, e.g. a paper sheet containing ground wood and fortified rosin size or non-ground wood waste pulp, bleached western kraft and fortified rosin size.
Patent GB-596872-A (GB)
Title: Improved process for the catalytic conversion of hydrocarbons
IPC: B01J8/28
Filed: 1945-03-16
Abstract: <PICT:0596872/III/1> In a hydrocarbon conversion process, e.g., cracking, reforming, or hydroforming, in which hydrocarbons are contacted with a catalyst in the fluidised condition in a reaction zone 3, and the catalyst is regenerated at 27 and returned to the reactor, the catalyst leaving the reactor is stripped with inert gas from readily removable hydrocarbons in a zone 15, maintained for an extended period, e.g., 1/2 -5 minutes in a zone 19 at a temperature approximately that of the reactor to convert residual hydrocarbons to a vapourisable product and coke, and then again stripped in a zone 23.  The inert gas, e.g., steam, nitrogen, carbon dioxide, or flue gases, may pass through the three zones in turn via lines 24, 20, 16, and additional gas may be introduced to each zone.  The catalyst in the coking vessel is in the dense fluidised state, and in the strippers 15 and 23 may be either in the dense or dilute fluidised state.  The coking zone may be heated.  In a modification, Fig. 2 (not shown), the stripper 15 is formed by an extension of the reactor, and the zones 19 and 23 are combined in a single vessel, coking taking place in a zone of enlarged cross-section.
Patent GB-1495721-A (GB)
Title: Resilient waterproof material
IPC: C08J9/42
Filed: 1974-02-14
Abstract: 1495721 Impregnated porous polyurethanes GENERAL FOAM PRODUCTS Ltd 13 Feb 1975 [14 Feb 1974] 6787/74 Heading C3R [Also in Division B2] A resilient waterproof material comprises an initially porous polyurethane material having a density of from 20 to 50 lb./ft.<SP>3</SP> impregnated with elastomeric material to the extent of from 5 to 50% by weight of the polyurethane and is preferably prepared by impregnating the polyurethane material with a dispersion of the elastomeric material in a liquid medium and drying the impregnated material. The polyurethane material preferably comprises comminuted polyurethane foam having a particle size not exceeding 2 mm. bonded together under pressure with polyurethane. Suitably the impregnant comprises a carboxylated styrenebutadiene copolymer. Impregnation may take place by compressing the polyurethane and releasing the pressure thereon beneath the surface of the liquid dispersion.
Patent GB-1011341-A (GB)
Title: Blind rivet
IPC: F16B19/10
Filed: 1963-02-20
Abstract: 1,011,341. Blind riveting. OLYMPIC SCREW & RIVET CORPORATION. Feb. 20, 1963 [Feb. 26, 1962], No. 6796/63. Heading B3U. [Also in Division F2] A tool 66, with jaws 92 for gripping and pulling a breakstem pin 14 of a rivet with a head 18 (see Division F2), has a floating centring sleeve 78 (loaded outwardly by a spring 86) to ensure that a collar 74 of the tool abuts the ned of a collar 24 projecting from the rivet head. The rivet pin 14, spot-welded to a closed end 20 of the rivet sleeve 12, is drawn outwardly from the sleeve to bulge and split the sleeve sides and then the collar projection 24 collapses into grooves 44 on the pin to lock the pin in position. The pin breaks at one of the grooves 44 and the freed end is discarded. Instead of being welded to the rivet sleeve the pin 14 may have a head locating on an open end of the sleeve.
Patent GB-577825-A (GB)
Title: Improvements in or relating to valves
IPC: F16K17/04
Filed: 1942-05-23
Abstract: 577,825. Relief valves. SHAW, H., and TURNER MANUFACTURING CO., Ltd. May 23, 1942, No. 7042. [Class 135] A pressure relief valve has a lift valve member A held by fluid pressure against a sleeve C slidably mounted on a tubular boss H to form a chamber D connected by small passages J with a diffusing passage B through which the escaping fluid passes. The valve is mounted on the sleeve so as to be capable of slight radial movement to make'it self-centring. The loading spring is housed in the boss H. Movement of the valve is damped by viscous fluid in an annular chamber F and an annular chamber E is connected to the chamber I to equalize the pressure across the chamber F.
Patent GB-547146-A (GB)
Title: Improvements in, or relating to, saucepans, stewpans and the like
IPC: A47J27/10
Filed: 1942-05-23
Abstract: 547,146. Saucepans &c. SANKEY & SONS, Ltd., J.. and SANKEY. H. B. May 23, 1942, No. 7051. [Class 661 A double cooking vessel is afforded by the employment of an inner vessel provided with oppositely - disposed handles b by means of which it is supported on a sheetmetal ring C resting on the upper edges of the outer vessel.
Patent GB-733015-A (GB)
Title: Improvements in or relating to a furnace atmosphere indicator
Inventor: ANDERSON EDWARD P
IPC: G01N27/18
Filed: 1953-03-13
Abstract: Apparatus for comparing a furnace gas with a standard gas, e.g air, comprises test cells 6, 15 through which the gas to be tested and the standard gas are respectively drawn by the suction of a pump 1 controlled by a pressure-regulating valve 22.  The cell 6 consists of an evacuated vessel between the re-entrant ends 7, 10 of which a tube 8 traversed by the gas is sealed; an electric resistance element 9 is wound on the tube.  A capillary tube 11 attached to a base 12 is fitted to one end of the cell, and the p  whole assembly is held in position by an expanding bellows-like seat 5 attached to the gas sampling tube 3.  The cell 15 is similar.  The resistance elements 9, 91 are connected in a D.C. bridge circuit (Fig. 3), whereby their resistances are compared, and any difference due to difference in the physical properties of the gases, e.g. viscosity, molecular size, thermal conductivity, &c., is indicated on an unbalance meter 43. The capillary tubes 11, 16 may be replaced by others of different size.  By suitable selection of these and by adjustment of the pressure regulating valve 22 and of the bridge resistances 39, 40 it is stated that the meter 43 can be calibrated to read in terms of the oxidation/reduction potential of the gas under test. <PICT:0733015/III/1> <PICT:0733015/III/2>
Patent GB-644211-A (GB)
Title: Improvements in or relating to holders for hosiery repair needles
IPC: D04B17/04
Filed: 1948-03-08
Abstract: 644,211. Hand sewing-tools. CULLINANE. W. J. March 8, 1948, No. 7145. [Class 112] A pneumatically-operated relooping tool has a manually operable valve for stopping the reciprocations of the needle. Air supplied to a connection 5 is led by a passage 6 in the head 1 to the barrel 4 which contains the usual piston. A needle valve 8 operable by a button 9 co-operates with a valve washer 7 to shut off the air supply. The head is of moulded plastic, and is provided with depressions in its side to facilitate holding by finger and thumb.