baber/WOPTO huggingface dataset:
Patent GB-365115-A (GB)
Title: Improvements in or relating to stripping mechanism for tobacco feeders, and carding apparatus for treating tobacco, cotton and like materials
IPC: A24C5/39
Filed: 1930-07-11
Abstract: 365,115. Feeding and carding or opening cotton &c. EBCO MACHINE CORPORATION, 345, West 40th Street, New York, U.S.A.- (Assignees of Karich, R. R.) July 11, 1930, No. 20980. Convention date, July 29, 1929. Void [Published under Sect. 91 of the Acts]. [Class 120 (i).] Cotton, tobacco, &c. are carded by stripping blades moved by cams, one behind another, over the surface of a carded roller 10. Stripping blades 16, 16a . . .16g formed with flat and arcuate portions 41, 40 are secured by ears 24 to shafts 23. A bell-crank lever 25, 28 is attached to each shaft 23, and the arm 25 carries a roller 26 which engages a cam 35 while the arm 28 is restrained by a spring 29 fixed to a pin 31 on a disc 17. These pins 31 act as stops for the arm 28 of the adjacent bell-crank lever. To regulate the path of the stripping blades, the cam 35 is held in adjustable brackets 36, 37. After leaving the surface of the carded rollers, further movement of the blade 16 brings it adjacent the advancing material to thus regulate the supply feed. A brush 50 removes shreds adhering to the blades. Specification 327,462, [Class 130, Tobacco], is referred to.
Patent GB-583481-A (GB)
Title: An improved manufacture of polymeric rubber-like materials
IPC: C08F36/04
Filed: 1943-12-15
Abstract: Polyolefines having at least five carbon atoms in the linear chain, an aliphatic substituent on the second carbon atom and not more than 16 carbon atoms in the molecule are polymerized at a temperature between - 20 DEG  C. and - 164 DEG  C. in the presence of a Friedel-Crafts catalyst.  Olefines specified are myrcene, dimethallyl, and 2-methyl-pentadienes 1, 3; 2, 4; or 1, 4.  The catalyst may be aluminium chloride dissolved in ethyl or methyl chloride or carbon disulphide or boron trifluoride either gaseous or in solution.  An internal or external refrigerant may be used. The polymer is soluble in naphtha, benzene, toluene and lubricating oils and may be compounded with carbon black, stearic acid, zinc oxide, sulphur and vulcanization accelerators, e.g. tetramethylthiuram disulphide and vulcanized by heat.  The product may be used to plasticize polymers of butadiene or copolymers thereof with styrene or acrylonitrile; polymers of isobutylene or copolymers thereof with butadiene, isoprene, piperylene or dimethyl butadiene; or polyethylene.  The polymer may be chlorinated in solution in carbon tetrachloride and precipitated therefrom with alcohol.  The hydrochloride may be prepared by bubbling hydrogen chloride through a cooled solution in toluene and precipitating with alcohol.  A solution of the polymer in toluene may be coated on a former by dipping and cold vulcanized with a solution of sulphur monochloride in carbon disulphide.ALSO:Polymerized polyolefines having at least five carbon atoms in the linear chain, an aliphatic constituent on the second carbon atom and not more than 16 carbon atoms in the molecule, e.g., myrcene, dimethallyl, and 2-methyl-pentadienes 1, 3; 2, 4; or 1, 4, (see Group IV) are used to plasticize polymers of butadiene or co-polymers thereof with styrene or acrylonitrile, or polymers of isobutylene or copolymers thereof with butadiene, isoprene, piperylene or dimethyl butadiene.
Patent GB-1293049-A (GB)
Title: An ignition distributor
IPC: F02P5/10
Filed: 1970-05-01
Abstract: 1293049 Rotary distributers; mechanical interrupters DUCELLIER & CIE 1 May 1970 [6 May 1969] 21017/70 Heading H1N [Also in Division E2V] An ignition distributer for use with internal combustion engines has a casing 1 with an integral external support 5, a capacitor 14 and a vacuum timing diaphragm capsule 10 connected to or integral with a bracket 7 which is fastened to support 5 by spring member 15 which snaps on to support 5. Projections 8a, 8b on bracket 7 fit into recesses 5a, 5b on support 5 and clip 15 fits over projections 8a, 8b and hooks 15b on clip 15 snap under abutments 16, 17 (17 on Fig. 3, not shown) on support 5. Capacitor 14 is held in blind hole 13 by flange 8c on bracket 7 with connections 14a passing through slot 8d in flange 8c. Spring washer 13a fits into hole 13 beneath capacitor 14 to ensure good earthing. Regulating rod (12), Fig. 2 (not shown), from capsule 10 passes through slot 11 in support 5 to a timing plate (not shown). Lip 9a on bracket 7 engages behind a collar 11a at the bottom of groove 11.
Patent GB-279585-A (GB)
Title: Improvements in or relating to the manufacture of reinforced building or constructional materials or elements
IPC: E04C5/06
Filed: 1926-08-26
Abstract: 279,585. Case, G. O. Aug. 26, 1926. No Patent granted (Sealing fee not paid). Reinforced-concrete beams and columns; joist floors; walls. -Building elements such as beams and posts into which nails may be driven and which may be cut and joined as in carpentry framework, are moulded from cement and sawdust or breeze concrete and reinforced externally by angle or other bars B, Fig. 1. The bars are secured to the plastic body by tongues, studs, or nails so that the whole contracts together. The elements may be precast or moulded in situ. In beams, the lower bars may form ledges F for ceiling slabs, and a concrete floor may be cast above the permanent ceiling slabs. Walls, Fig. 5, are formed by nailing inner and outer panels K, M to the posts and covering the joints by strips N to give a timbering effect. The panels or boards may consist of nailable fibrous cement and may be of storey height. The interior may be left hollow or may be filled. Specifications 220,677, 225,912; 236,450, 252,906, 259,635, 259,636, and 270,013, [all in Class 70, Indiarubber &c.], describe available cement compositions which may be used,
Patent GB-241348-A (GB)
Title: An improved wire straining appliance applicable also to knotting or tying the ends of the wires
IPC: F16G11/12
Filed: 1924-09-08
Abstract: 241,348. Mackay, A. Sept. 8, 1924. Wire strainers.-An appliance for straining and securing wires, particularly those used in fencing, comprises a bar 1 having a bifurcated depending portion 7 that serves as a guide for one of the wires and a forward inclined portion 3 connected to the main portion by a neck 2 and provided with a recess 6 to receive a loop 9a on the wire 9. The inclined portion is apertured to guide the second wire 11 which is strained by being coiled on a drum 12. The drum is provided with transverse and longitudinal holes 12<a>, 12<b> respectively to receive the operating tool 15 in its wording and inoperative positions respectively. The too] 15 may have a hammer shaped head. The wires are secured by rotation of the tool as a whole about the loop 9a and by winding the free end of the wire about itself.
Patent GB-486372-A (GB)
Title: Automatic volume control devices for wave transmission systems
IPC: H03G3/22
Filed: 1937-07-30
Abstract: 486,372. Automatic volume control. STANDARD TELEPHONES & CABLES, Ltd. July 30, 1937, No. 21191. Convention date, Sept. 19, 1936. [Class 40 (iv)] [Also in Group XL] In a thermionic amplifier automatic gain control is effected by an unbalanced coupling network R1 .. R4 the unbalance of which is varied by one or more variable impedances shunting one or more of the arms of the network. The Figure shows an arrangement in which the output of valve V1 is applied to one diagonal of the network and the input to the valve V2 is taken from the other diagonal of the network. A valve V4 is shunted across the arm R4 and its impedance is varied by rectified signal voltage. Two opposite branches of the bridge may be shunted by valves acting as variable impedances and the impedance variation may be according to any desired law. Alternatively the variable impedance may be a coil with a variably magnetized core.
Patent GB-964341-A (GB)
Title: Improvements in or relating to sound recording and reproducing means for use,for example,on a motion picture projector
IPC: G11B15/34
Filed: 1961-06-13
Abstract: 964, 341. Cinematographic sound-film apparatus. KODAK Ltd. June 13, 1961 [June 13, 1960], No. 21235/61. Heading G5R. In a motion picture projector, the record/ playback and eraze heads 35, 36 are mounted on a plate 41 movable about a ball 51, forming a lower pivotal point 48, by a control lever 32 either to an operative position in which the heads 35, 36 engage a sound drum 28, Fig. 4, or to an inoperative position, Fig. 2, in which the heads 35, 36 and a film guiding member 72 are withdrawn for film threading. The heads 35, 36 are mounted on leaf springs supported on a plate 39 having means for longitudinal adjustment of the heads. Lateral adjustment of the heads is effected by adjustable screws at points 48 carrying steel balls 51 bearing on the base plate 12 under spring tension. The sound drum 28 is driven by the film, assisted by a pinch roller as described in Specification 944,107, during forward drive, but during reverse drive a clutch automatically engages a gear 102 to cause the sound drum to be driven through a slipping clutch, so that the lower loop of film is not lost.
Patent GB-482861-A (GB)
Title: Improvements in and relating to the production of enamel
IPC: C03C4/00
Filed: 1937-07-31
Abstract: 482,861. Enamels and glazes. KREIDL, I. July 31, 1937, No. 21304. Convention date, Aug. 27, 1936. [Class 56] A method of preventing the discolouration of enamel, due to the presence of organic substances or impurities in the materials, consists in introducing into the enamel, at any stage before firing on to an article, a small quantity of a compound of at least one metal of a group consisting of iron, cerium, uranium, antimony, and arsenic. The quantity of the metallic compound used should not exceed 1 per cent in order to prevent any colouration of the enamel by the metal.
Patent GB-1004771-A (GB)
Title: A method of and apparatus for continuously stretching and collecting synthetic flaments in one operation
IPC: B65H51/16
Filed: 1963-05-28
Abstract: 1,004,771. Continuously stretching and collecting synthetic filaments. NEUMUNSTERSCHE MASCHINEN - UND APPARATEBAU G.m.b.H. May 28, 1963 [June 7, 1962], No. 21318/63. Drawings to Specification. Heading B5B. Synthetic filaments are continuously stretched and collected in one operation by stretching a freshly spun filament or bundle of filaments and then depositing the filament or bundle in a pot or receiver by means of an air-operated " injector." The latter term is defined as a device in which a filament or bundle of filaments is entrained by a high speed stream or current of air and is then conveyed by this air into the pot or receiver. The filament or bundle is preferably retained in the pot or receiver by sucking air from the interior of the pot or receiver through openings in the pot or receiver. The air sucked from the pot or receiver is preferably recirculated to the injector, the circulating system incorporating air-conditioning means. The stretching of the filament or filaments may be effected by means of feed and draw rolls in the usual manner. The injector and/or the pot may be rotated about their axes continuously in one direction or to and fro.
Patent GB-134417-A (GB)
Title: Pivot Joints of Vehicle Wind Screens.
Inventor: ANDREWS CHARLES
IPC: B60J1/04
Filed: 1918-12-20
Abstract: 134,417. Andrews, C. Dec. 20, 1918. Pivot adjustments. - In wind - screen pivot adjustments of the type comprising a conical plug a<2> held in engagement with a conical socket d by a screw device e, g, a surface of leather, fibre, or like material is applied as a contact surface c between the plug and the socket. The surface c may be attached by screw pins c<2> or otherwise as a covering to the plug, or may form a lining to the socket, or may be applied to both parts, or may be loose between the parts, in which case the material may be mounted upon a hard metal or other core.
Patent GB-630863-A (GB)
Title: Improvements in and relating to the hydrogenation of cyclic organic compounds
IPC: C07C5/03
Filed: 1946-07-17
Abstract: Saturated mono-cyclic organic compounds are obtained by the continuous liquid phase hydrogenation of mono-cyclic unsaturated compounds (see Group IV (b)), in the presence of a foraminate nickel or cobalt catalyst.  The catalysts are of the alloy type comprising the desired catalytically active metal or metals together with one or more metals more soluble in acid or alkali or other extracting liquid than the catalytically active metal or metals and are preferably crushed to give particles grading between 1/8 inch and 1/4 inch meshes.  Specifications 570,843, 611,987, 623,595, 628,405, 628,407 and 630,161 are referred to.ALSO:Saturated mono-cyclic organic compounds are produced by the continuous liquid phase hydrogenation of a mono-cyclic compound containing at least one carbon to carbon double bond in the ring selected from alicyclic hydrocarbons and heterocyclic compounds which contain carbon, hydrogen and oxygen only and only carbon and oxygen in the ring, both of which types of compounds may be substituted by alkyl or ether groups or ether substituted benzenes at at least 50 DEG  C. and in the presence of a foraminate nickel or cobalt catalyst.  Pressures of 10-400, particularly 50-300 atmos., space velocities of 0.1-0.5 hour and preferably 0.2 hour, and temperatures of 50-300 DEG  C., preferably 100-150 DEG  C., may be used.  Furan, alkylated furans, e.g. sylvan, 2,3-dihydropyran, alkylated 2,3-dihydropyrans and alicyclic mono- or poly-enes, e.g. cyclopentadiene yield respectively tetrahydrofuran, alkylated tetrahydrofurans, e.g. 2-methyl tetrahydrofuran, tetrahydropyrans and saturated alicyclic compounds, e.g. cyclopentane.  In examples: (1) furan, (2) 2,3-dihydropyran and (3) sylvan are hydrogenated in the presence of a foraminate nickel catalyst to yield respectively tetrahydrofuran, tetrahydropyran and 2-methyl tetrahydrofuran.  In the Provisional Specification it is stated that the catalyst may be promoted with alkalies such as caustic soda solution or the alkali may be in the reaction medium, that homocyclic compounds containing at least one carbon to carbon atom may also be employed and that toluene, benzyl alcohol and acetophenone yield methyl cyclohexane, hexahydro-benzyl alcohol and cyclohexyl methyl carbinol respectively.  Specifications 570,843, 611,987, 623,595, 628,405, 628,407, [all in Group III], and 630,161 are referred to.
Patent GB-532535-A (GB)
Title: Improvements in or relating to synthetic resins
IPC: C08G8/30
Filed: 1939-07-24
Abstract: 532,535. Resinous condensation products ; starch esters ; sugar esters ; cellulose esters. DU PONT DE NEMOURS & CO., E. I. July 24, 1939, No. 21491. Convention date, July 22, 1938. [Classes 2 (ii) and 2 (iii)] Resinous compositions are prepared by heating a propiolic acid or a homologue thereof with a monohydric phenol having unsubstituted o- or p-positions, a polyhydric phenol or a polyhydric alcohol. Suitable hydroxy compounds include ethylene glycol, propylene glycol, butylene glycol, trimethylene glycol, tetramethylene glycol, pentamethylene glycol, diethylene glycol, polyglycols, glycerol, polyglycerol, erythritol, pentaerythrite, arabitol, xylitol, mannitol, dulcitol, sorbitol, polyvinyl alcohol, sucrose, maltose, lactose, glucose, cellulose, starch, phenol, cresol, thymol, naphthols, resorcinol, quinol, catechol, pyrogallol, and phloroglucinol. Homologues of propiolic acids that may be used include tetrolic acid (methylpropiolic acid). Modified resins may be prepared by inclusion in the reaction mixture of drying oils or long chain fatty acids. Mixed resins may be prepared by including in the reaction mixture modifying agents such as polybasic acids (phthalic, succinic or citric acids) or intermediate condensates of phenol and aldehydes (phenol alcohols or diphenylolmethanes). The products, which are heathardenable, may be used in preparing coating and moulding compositions. In examples, propiolic acid is condensed with (1) ethylene glycol, (2) glycerol, (3) pentaerythrite, (4) polyvinyl alcohol, (5) sucrose, (6) phenol, (7) quinol and (8) glycerol and linseed oil; in example (9) tetrolic acid is condensed with glycerol.
Patent GB-914463-A (GB)
Title: Epoxide resins
Inventor: LINCOLN JAMES
IPC: C08G59/42
Filed: 1959-06-24
Abstract: An epoxy resin composition comprises a polyepoxide containing on the average more than one epoxide group per molecule, and a mixture of the isomers of tetrahydrophthalic anhydride which is liquid at ambient temperature.  The isomeric mixture is prepared by heating tetrahydrophthalic anhydride derived from butadiene and maleic anhydride in the presence of an acidic catalyst (see Group IV(b)). Polyepoxides specified are:-the diepoxides of vinylcyclohexenes, butadiene, dicyclopentadiene, and dicyclopentenyl ether, the diglycidyl ethers of bisphenol A and of ethylene glycol, 6-methyl-3,4-epoxy-cyclohexylmethyl-6-methyl-3,4-epoxy cyclohexane-1-carboxylate, and 3(3,4-epoxy-cyclohexyl)-8,9-epoxy-2,4-dioxa-spiro(5:5)-undecane: the polyepoxides may be mixed.  Catalysts specified are SnCl4 and benzyldimethylamine; and ethylene glycol may also be added. Specification 795,378 is referred to.ALSO:Tetrahydrophthalic anhydride (m.pt. 100 DEG C.), made in known manner from butadiene and maleic anhydride, is isomerised by heating in the presence of an acidic catalyst to form mixtures (of the four possible isomers) having melting point of e.g. 17 DEG -46 DEG C. In Example (1) 100 g. of tetrahydrophthalic anhydride were heated at 250 DEG C. in the presence of 1 g. of P2O5 are then distilled at 4 mm. Hg.; the heating period varied from 0.5-1.25 hours.  Specification 795,378 is referred to.
Patent GB-369127-A (GB)
Title: Improvements in the construction of the rotors of elastic fluid turbines
IPC: F01D5/30
Filed: 1931-07-29
Abstract: 369,127. Elastic fluid turbines. ENGLISH ELECTRIC CO., Ltd., 28, Kingsway, London, and CHITTENDEN, J. P., South Lodge, Westfield, Rugby. July 29, 1931, No. 21630. Addition to 210,288, [Class 110 (iii), Turbines &c.]. [Class 110 (iii).] In elastic fluid turbines in which the blade fixing is of the type described in the parent Specification, the blade roots d, e, f are formed with a series of alternate ridges and grooves fitting in corresponding grooves and ridges in the rim g. The ridges may have the same width as at d<1>, d<2>, d<3>, or of diminishing widths towards the root, as at f<1>, f<2>, f<3>. The periphery of the rim has an axial taper, as shown in Fig. 4, to ensure a tight fit between the blades and the wheel.
Patent GB-614673-A (GB)
Title: Improvements in or relating to the production of protein-containing coatings on aluminium surfaces
IPC: B05D7/14
Filed: 1946-07-19
Abstract: A protein containing coating is produced on the surface of aluminium or aluminium alloys by treating it with an aqueous alkali carbonate solution containing proteins, especially those selected from the group consisting of casein, albumen, zein and gelatine, e.g. 0.5-6.0 per cent by weight of carbonate and 0.5-5.0 of at least one of the proteins referred to.  The solution may also contain 0.05-0.5 of alkali metal chromate and an alkali metal hydroxide in the proportion of 0.02 grams per gram of protein.
Patent GB-392177-A (GB)
Title: Improvements in friction lining
IPC: C08K7/00
Filed: 1931-07-29
Abstract: A friction composition, more particularly for brake linings, comprises a vulcanized organic binder and a finely-divided non-fibrous mineral magnesium or calcium magnesium silicate.  The mineral may be of the amphibole group.  More particularly the composition contains rubber or vulcanizable fatty residues and finely divided asbestine, talc, tremolite or actinolite and a water-proofing agent such as resins and waxes.  The waxes may be ozokerite, montan, paraffin or ceresin wax.  The vulcanizing agent may be sulphur, or an organic accelerator such as diphenylguanidine and the activator may be zinc oxide, lime, magnesium oxide or mixtures of these.  An example of a suitable mix comprises 25 parts of master-batch, 85 parts of asbestine, 3 parts lime, 1 part zinc oxide, 7 parts sulphur, 1- 1/2 parts wax.  The rubber is first broken down to run smoothly and the rosin and accelerators added, mixed in a mill, sheeted out and allowed to cool.  Asbestine, asbestine and talc or talc alone and the other ingredients are added to the master batch in a mill, sheeted out, allowed to cool and sheeted out in a sheeting calendar and then vulcanized between heated plates under pressure and may be vulcanized to a base material of rubber compound, rubber and fabric, reinforced fabric on metal.  The ingredients may all be mixed in one operation.
Patent GB-517303-A (GB)
Title: Improvements in or relating to piston machines
IPC: F16F15/24
Filed: 1938-07-21
Abstract: 517,303. Piston machines AKTIEBOLAGET BOLINDER-MUNKTELL. July 21, 1938, No. 21702. Convention date, Oct. 16, 1937. [Class 122 (iii)] Piston machines such as combustion engine compressors or the like are balanced by moving the casing including the cylinder oppositely to the reciprocating piston. The casing is rotatably supported but its turning movement is very limited. As shown, the crank shaft 15, Fig. 1, is supported in fixed bearings 17 and has cylindrical eccentrics 123 surrounded by eccentric sleeves 125 journalled in the crank 'casing 10. A pair of arms 133, Fig. 3, is concentrically journalled at one end 134 about the stationary bearings 17 and at the other end 135 is pivoted to the casing 10. Due to these arms the casing moves up and down in a slight arc. Movement is limited by a spring 136. Specification 517,182 is referred to.
Patent GB-716941-A (GB)
Title: Pipeline transportation of solid materials
IPC: B65G53/30
Filed: 1952-08-29
Abstract: 716,941. Conveying solids in liquids. KANSAS CITY TESTING LABORAT.ORY. Aug. 29, 1952, No. 21745/52. Class 102 (2). A mixture of a granular material and an aqueous suspension of a colloidal clay, in which the viscosity of the gel and the size of the granules are adjusted so that the rate of settling of the granules is not substantially greater than one foot per minute, is forced through a pipe line and the granular material is recovered at the exit of the pipe line. The colloidal clay may take the form of bentomite or fullers earth and the granular material may be potassium chloride crystals suspended in a aqueous solution of the material containing an additional soluble material such as sodium chloride. The pH of the solution may be adjusted to neutral whereby corrosion of the pipe line is avoided.
Patent GB-856764-A (GB)
Title: Treatment of used diesel engine lubricating oil
IPC: C10M175/00
Filed: 1958-07-08
Abstract: The acidity of used marine diesel engine lubricating oil is reduced by treating the oil with ammonia.  The treatment may be effected by injecting ammonia gas into the oil, by spraying the oil into an atmosphere of ammonia gas or by washing the oil with a dilute aqueous solution of ammonia.  The treatment may be incorporated into the continuous process wherein, during the operation of the engine, used crankcase oil from the engine passes to a sump and is returned to the engine after passage through a filter and a cooler, a proportion of the circulating oil being subjected to a cleansing operation comprising water-washing followed by centrifuging.  The treatment with ammonia may render the water-washing step unnecessary. According to the Provisional Specification, the ammonia treatment may be applied to the circulating crankcase oils of engines other than marine diesel engines.
Patent GB-833363-A (GB)
Title: Improvements in the construction of walls or plates for tankers or conduits or pipestherefor
IPC: C22C38/16
Filed: 1956-07-16
Abstract: Walls or plates for tankers or conduits or pipes therefor, for the transport of petroleum oils, are made of a steel having a copper content of a trace up to 0.1% or within the range 0.3-1.0%. The steel may also contain one or more of tin, arsenic and nickel the total amount of which is under 0.1% or is over 0.15% and up to 5.0%. Reference is made to the use of steels containing also carbon 0.015-0.3%, silicon not over 0.5% and manganese not over 1.5% with phosphorus and sulphur each up to about 0.06%. Aluminium may also be present up to 0.1%.