baber/WOPTO huggingface dataset:
Patent GB-300274-A (GB)
Title: Improvements in roll film spools
IPC: G03B17/30
Filed: 1928-11-06
Abstract: 300,274. I. G. Farbenindustrie Akt.- Ges. Nov. 11, 1927, [Convention date]. Void< >[Published under Sect. 91 of the Acts]. Roll spools. - A friction-reducing coating of wax or wax-like material is applied to the flanges of the spool, after the film has been wound thereon, as by allowing the spool, on delivery from the film-winding machine, to roll under the action of gravity over warmed blocks of the wax &c.
Patent GB-377066-A (GB)
Title: Improvements in or relating to synchronous motors
IPC: H02K19/06
Filed: 1931-11-23
Abstract: 377,066. Motors. SIEMENS & HALSKE AKT.-GES., Siemensstadt, Berlin. Nov. 23, 1931, No. 32451. Convention date, Nov. 27, 1930. [Class 35.] In a synchronous motor of the type comprising a toothed unwound armature r co-operating with divided poles energized by a single-phase current, half of each pole ph, ph<1> being provided with shading coils k, k<1>, either the shaded or unshaded portions of the coils, but not both, are formed with teeth n, n<1> of the same pitch, and preferably the same angular dimensions, as the rotor teeth.
Patent GB-401889-A (GB)
Title: Improvements in or relating to centrifugally operated friction clutches
IPC: F16D43/12
Filed: 1932-11-16
Abstract: 401,889. Friction gearing. NEWTON, N. B., Newton & Bennett Works, Valetta Road, Acton, London. Nov. 16, 1932, No. 32452. [Class 80 (ii).] A centrifugal friction clutch has casing parts 4, 5, connected round their periphery by links 30 and flyweights 31, the friction plates 6 being pressed together when the parts 4, 5, move towards one another under centrifugal force. A pressure plate 9 and springs 10 are inserted between the plate 9 and the part 4. An annular flange on the part 4 abuts a flange 28 on the part 5 in the engaged position, and forms with a flange 32 on the part 5 a dash-pot to which oil is admitted through holes 33, 34. The springs 10 are held under compression by studs 15 connecting the part 4 and the pressure plate 9, and separate adjusting means may be provided for the springs 10 or flange 28. Springs 11 separate the parts 4, 5, in the unclutched position. Manual declutching is obtained by a fork 25 acting on the pressure plate 9 through a lever 24 and thrust bearing 23. Outward movement of the flyweights 31 may be limited by a ring. Instead of the parts 4, 5 forming a dash-pot, a separate dash-pot may be fitted. In a modification, the pivot block 31a on the part 5 is bolted directly to the flywheel 8, and the studs 15 are replaced by a ring secured to the pressure plate 9 and engaging the part 4.
Patent GB-912178-A (GB)
Title: Improvements in or relating to automatic couplings for railway vehicles
Inventor: COOKE JOHN OSCAR
IPC: B61G7/08
Filed: 1959-09-24
Abstract: 912,178. Automatic couplings and centralising gear. ENGLISH STEEL CORPORATION Ltd. Sept. 23, 1960 [Sept. 24, 1959], No. 32462/59. Class 103(5). An automatic coupler head 16 is supported by a self-centering shelf 21 engaging in a pocket 22 in the head and extending from a support 24 vertically journailed by trunnions 25 engaging in slots 26, so that the support 24 may slide rearwardly against a spring in an external housing 27, the head and shelf being rotatable about horizontal and vertical axes and being held together from relative side to side motion by wings 32 which extend from the pocket 22 and engage on either side of the shelf. The wings 32 enter the housing 27 during extreme buffing. In a modification, Fig. 7, the wings are replaced by a stirrup 42 pivoted at 43, and an outwardly spring-urged extension 40 of the shelf engages the head pocket. The housing 33 is trunnioned in an intermediate housing 36 which is connected by a bracket 38 to the draw gear and slides in an external housing 37. Specifications 904,145 and 904,150 are referred to.
Patent GB-1398843-A (GB)
Title: Gas electrode
IPC: H01M12/06
Filed: 1971-07-10
Abstract: 1398843 Gas electrode JOSEPH LUCAS (INDUSTRIES) Ltd 10 July 1972 [10 July 1971] 32495/71 Heading H1B A gas electrode, for use in a metal-gas battery or fuel cell, comprises a porous substrate which supports a layer of catalyst material, the surface of the electrode which contacts the electrolyte being provided with a layer of a vinyl polymer or a polymer of acrylic acid or derivative thereof. Where the electrolyte is alkaline, the polymeric layer is formed from a polymeric alcohol or carboxylic acid; where the electrolyte is acidic, the layer is formed from a polymeric amine or amide. As described, an air electrode of a metal-air battery comprises a polythenebound graphite substrate bearing a layer of catalytically active carbon. For use with an electrolyte of aqueous KOH, which may be gelled with sodium carboxymethyl cellulose, several coats of polyvinylalcohol in aqueous solution are applied to the catalytic layer and then coagulated by contact with the electrolyte; alternatively, sodium chloride may be included in the solution as a coagulating agent. In a modification, the catalytic layer is covered with a layer of polymethylacrylic acid. For use with an acidic electrolyte, polyacrylamide is preferred. If the substrate is non-conductive, a layer of conductive material is provided between substrate and catalytic layer.
Patent GB-383428-A (GB)
Title: Improvements in or relating to telephone systems
IPC: H04M1/60
Filed: 1931-11-24
Abstract: 383,428. Substation circuits. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London, FAIRBAIRN, E. P., of General Electric Co., Stoke, Coventry. Nov. 24, 1931, No. 32554. [Class 40 (iv).] In a system employing amplifiers and loudspeakers, the microphone is short-circuited or disconnected until speaking conditions have been established at the remote station. In the system described the sensitive microphone E and loud-speaker H are brought into use by the depression of key S. Relay B operates to complete the filament circuit of the receiving amplifier and all tones are reproduced on the loud-speaker. When the called party replies, relay C operates to reverse the battery connection to the substation so that relay A pulls up to remove the short-circuit from E and to connect up the microphone and the transmitting amplifier. An incoming call is extended to the substation over 6, 7, 8 and the battery connections are such that A operates at once. Speech currents from E are amplified by the left-hand amplifier and fed to transformer P, which is centre tapped and associated with balancing network LB to prevent local speech from feeding into the loud-speaker. Should the key S be left in operated position, relay B remains energized and alarm W operates to indicate the condition to the subscriber. The apparatus is constructed as two units, one, containing the apparatus shown in Fig. 2, being mounted on the subscriber's desk whilst the other, comprising the apparatus indicated in Fig. 3, may be placed some distance away, for example on the room wall. Specification 340,693 is referred to.
Patent GB-819422-A (GB)
Title: An improved apparatus for determining the accuracy of a toothed transmission elementor the like
Filed: 1955-11-15
Abstract: 819,422. Electric measuring systems. HOFLER, W. Nov. 15, 1955 [Nov. 17, 1954], No. 32594/55. Class 40 (1). Apparatus for determining the degree of irregularity of movement between two members which are coupled together by toothed transmission elements, e.g. gear wheels, comprises two variable capacitors fixed to shafts which are actuated by the two members and arranged to produce equal and opposite variations in capacity with regular movement of the coupled members, whereby the sum of the two capacitances is a constant, and any deviation therefrom is a measure of the degree of irregularity. As shown, for testing two gears 4, 10 (Fig. 1) of the same pitch and diameter, one gear 4 is mounted on a shaft 3 driven by a motor 5, and the other gear 10, mounted on a shaft 11, is adjusted to engage the gear 4. Assembled on shaft 3 is the movable electrode 16 of a variable capacitor 17, the fixed electrode 18 being mounted on the frame 2, and a similar capacitor 20 is mounted on shaft 11, comprising movable electrode 19 and fixed electrode 21, the arrangement being such that as the shafts 3, 11 rotate uniformly the capacitors 17, 20 vary in an equal and opposite manner so that their total capacitance is constant. The capacitors 17, 20 are connected in parallel in the tank circuit of an oscillator whose output frequency variation is therefore indicative of the irregularity of the gears 4, 10. Where the gears are not in a 1: 1 ratio, one shaft 11 is coupled to its variable capacitor 20 through a variable gear ratio comprising a cone 32 (Fig. 4) mounted on shaft 11, and a friction disc 38 mounted on an auxiliary shaft 30 carrying capacitor 20, the gear ratio being varied by moving the disc 38 along the surface of the cone 32 until shafts 3, 30 rotate at the same speed. The test apparatus may also be used in conjunction with bevel gear, worm gear, rack and pinion, &c. In a further embodiment (Fig. 9) the two rotating members are the tool shaft 70 and the mandrel 71 of a gear cutter, whereby the uniformity of the relative angular velocities is checked.
Patent GB-326171-A (GB)
Abstract: 326,171. Wilson, E. Dec. 3, 1928. Drawings to Specification. Packing, non-metallic.-The shaft packing of a rotary compressor is compressed by a central spring acting on sleeves which are perforated to admit fluid from an inlet pipe to the shaft bore.
Patent GB-1058108-A (GB)
Title: Multiple steerable axle units for vehicle trailers
IPC: B62D13/02
Filed: 1964-08-11
Abstract: 1,058,108. Steering trailers; multiple axle suspensions. W. TANG. Aug. 11, 1964, No. 32619/64. Headings B7D and B7H. In a multiple axle unit for motor vehicle trailers comprising three axles 1, 2, 3 suspended on a frame 4 carrying a turntable 5, triangular steering arms 16, 17 secured to the axles 1, 3 are pivotally connected to arms 19, 20 extending from a member 18 which is rotatably mounted in the frame 4 and has a third arm 25 for connection by a link 27 to the trailer frame 6, 7 to steer the axles 1, 3 in response to rotation of the trailer frame 6, 7 relative to the axle unit.
Patent GB-670840-A (GB)
Title: Improvements in and relating to street lighting lanterns
IPC: F21V17/00
Filed: 1949-12-20
Abstract: 670,840. Lighting fittings. BRITISH THOMSON-HOUSTON CO., Ltd., and LAMBERT, G. K. Sept. 4, 1950 [Dec. 20, 1949], No. 32626/49. Classes 75(iii) and 75 (iv) A street lighting fitting employing tubular elongated lamps 21 comprises a housing member 11 serving as a reflector and a translucent cover member 12 sealed together by an adhesive such as a rubber-based cement 23 applied to coextensive contacting surfaces on the housing and cover members. The longitudinal edges of the elongated cover 12 are sprung over the longitudinal edges of the elongated housing member 11. In a further construction the cement is placed between abutting horizontal flanges on the longitudinal edges of the housing and cover members. The cement takes up the differential thermal expansion between the housing and the cover. Plates 15 covering openings 14 in the end walls of the housing member are secured by bolts and sealed by gaskets. One end of the fitting is hinged to a collar clamped to a lamp-post and a tie rod extends from the top of the post to the top of the fitting. Silica gel is placed inside the fitting to absorb moisture.
Patent GB-349892-A (GB)
Title: Improvements relating to the destructive hydrogenation of carbonaceous materials
Filed: 1930-03-06
Abstract: Residues obtained after refining heavy mineral oils, tar oils &c. with alkalies, or after the treatment of hydrocarbons with the same to effect polymerization, are treated by destructive hydrogenation in the presence or absence of catalysts to produce products of lower boiling point.  The pressures employed may vary from 5 to 1000 atmospheres at temperatures of from 300-700 DEG  C., preferably 370-500 DEG  C.  The catalysts used are compounds of the sixth group of the periodic table, e.g. oxides of molybdenum, tungsten or chromium, or cobalt sulphide.  Examples are given of the destructive hydrogenation of residues resulting from the refining of mineral oils by treatment first with fuming sulphuric acid and then with alkali.
Patent GB-174791-A (GB)
Title: Improvements in mechanically operated advertising signs
IPC: G09F11/34
Filed: 1920-11-19
Abstract: 174,791. Linden, L. P. Nov. 19, 1920. Moving and changing apparatus. - A mechanically-operated sign for exhibiting in turn the letters of an advertisement comprises a cabinet within which is rotated a cylinder with steps or cams which engage successively with trip levers projecting lettered slats through the top of the cabinet. Fig. 2 is a rear view with the back of the cabinet removed, and Fig. 3 is a vertical section. The stepped cylindrical drum c is mounted on a shaft d driven by a clock-work, electric, or other motor in a separate compartment g. The steps of the drum c engage in turn levers n pivoted on a common spindle m each lever n engages a vertical slot in a lettered slat i which can slide vertically in a slot h extending across the top of the cabinet. After each slat has been raised in turn to the exhibiting position, it is held raised by its arm n bearing on the external surface of the cylinder, until the latter has rotated sufficiently to allow all the levers to fall simultaneously over the edge q of the drum. A stationary bar o prevents the slats from falling too deeply into the slot h. The slats are readily removable and may be changed.
Patent GB-506507-A (GB)
Title: The manufacture of condensation products
IPC: C08G12/10
Filed: 1937-11-27
Abstract: 506,507. Resinous condensation products. CARPMAEL, A. (I. G. Farbenindustrie Akt.- Ges.) Nov. 27, 1937, No. 32808. [Class 2 (iii)] Resinous condensation products are obtained by condensing aldehydes or substances liberating aldehydes with alkylene or arylene diureas or dithioureas. Other substances which can be condensed with aldehyde, e.g. urea, thiourea, dicyandiamide, sulphonamides, carboxylic acid amides, amines, phenols, amino-di- and-triazines, may be added to the reaction mixture. The formed resins may be admixed with natural or other synthetic resins. The products are suitable for casting or pressing, as adhesives for moulded or laminated products, as lacquer binding-agents and for use in the textile industry for dressing, matting, anti-creasing, &c. Examples are given of the condensation of aqueous formaldehyde with (1) ethylenediurea and (3) 1.5.naphthyl-enediurea to yield products suitable for casting or pressing, and (2) with o-phenylenediurea followed by working up with butanol and toluene to form a lacquer.
Patent GB-1075926-A (GB)
Title: Milling process and apparatus
Inventor: MYATT JAMES KENNETH
IPC: B24B31/10
Filed: 1965-07-31
Abstract: An aqueous slurry of rutile TiO2 is milled in an apparatus comprising a first zone (1) containing a rotatable impeller shaft (4) and impellers (3), above which is a second zone (5) communicating with the first zone, and which has means, viz. a pipe (9), to recover the slurry from a point remote from the periphery of the second zone (see Divisions B1-B2).  In operation, grinding medium, e.g. sand, is placed in the apparatus, and the slurry fed continuously into the base of zone (1).  The particles rise into zone (5) and the heavier grinding particles are projected to the sides of the settling zone and return to the milling zone.
Patent GB-270995-A (GB)
Title: Improvements in or relating to sweetmeat manufacturing machines
IPC: A23G3/06
Filed: 1926-12-30
Abstract: 270,995. Thornton, A. A., (Berten & Co., Ges.). Dec. 30, 1926. Moulding confectionery &c.-In sweetmeat rolling machines of the type comprising a pair of conical rollers a capable of variable inclination, the rollers are connected at one end by universal joints to driving-shafts g and at the other end are adjustable vertically as by a bearing b connected to a rack c engaging a spur e operable by a handwheel f.
Patent GB-1479252-A (GB)
Title: Stabilizer for forms of polyurethane
IPC: C08K5/32
Filed: 1975-08-07
Abstract: 1479252 Treating textiles GLOBE MFG CO 7 Aug 1975 [16 Aug 1974] 33020/75 Heading DIP [Also in Divisions B5, C3 and C5] Fabrics formed, at least in part, of polyurethane fibres are stabilised against fume discolouration by incorporating therein a substituted hydroxylamine of the formula: where X is a phenyl or naphthyl radical which may be substituted by C 1-12  alkyl, halogen,  aryl, aryloxy, alkoxy, hydroxy, carboxy, ester or amide and R 1  and R 2  are X, H or benzyl which may be substituted by the same substituents as X. The preferred hydroxylamine is dibenzyl hydroxylamine and is used in an amount of 0.01 to 20% by weight based on the weight of polyurethane. In a specific Example (7), a fabric containing a blend of segmented polyurethane fibres and nylon fibres is introduced into a bath containing an aqueous solution of dibenzyl hydroxylamine and heated. After rinsing in water the fabric is found to have no discolouration in a gas oven test.
Patent GB-658798-A (GB)
Title: Improvements in or relating to clothes washing and drying machines
IPC: D06F47/06
Filed: 1948-12-22
Abstract: 658,798. Washing and drying machines. RAND WASHING MACHINE CORPORATION, H. J. Dec. 22, 1948, No. 33033. Convention date, March 3. [Class 138 (ii)] A clothes washing and drying machine comprises a flexible liquid- and air-tight bag 10 adapted to hold laundry and liquid detergent, means 13 for causing shock waves within the liquid in the bag, of a high-frequency adapted to produce a washing action there, and means 22 for withdrawing the liquid and air from the interior of the bag to collapse the bag inwardly against the laundry and to squeeze out the detergent. The bag 10 is mounted inside a casing 11 and is supplied with liquid through an opening in its base, a perforated post 16 being mounted inside the bag over the opening. High frequency vibrations from 3000 to 50,000 cycles per second are induced in the liquid, for washing clothing, by means of the vibrator 13 which is of known type and has a button head which bears on the bottom of the bag through an opening 12a in the casing 11. The opening in the bottom of the bag is also connected to the means 22 comprising a pump which withdraws liquid and air from the bag to allow atmospheric pressure to squeeze-dry clothing in the bag. Specification 648,609 is referred to.
Patent GB-618798-A (GB)
Title: Improvements relating to poppet valves
IPC: F01L3/10
Filed: 1947-01-23
Abstract: 618,798. Valves. HOLDSWORTH, G. G. Jan. 23, 1947, No. 33073/46. [Class 7 (vi)] A valve spring abutment 11, Fig. 1, has a tapered central bore 16 binding on a tapered part 15 of the valve stem, and connected by a short slot 17, Fig. 3, of same width as a groove 13 in the stem, to a bore of sufficient size to allow insertion of the enlarged part 17 of the stem. In modifications the tapered part 15 of the stem is of the same depth as the disc 11, or it may be of greater depth.
Patent GB-1198947-A (GB)
Title: Improvements to the Doors of the Drums or Tubs of Washing Machines
IPC: D06F37/10
Filed: 1968-07-11
Abstract: 1,198,947. Washing machines. COMPAGNIE FRANCAISE THOMSON-HOUSTONHOTCHKISS-BRANDT S.A. 11 July, 1968 [11 July, 1967], No. 33098/68. Heading D1A. A washing-machine drum has a sliding door 2 for an aperture 4 which is held closed by a latch 5, the other edge of the door being held by a door clamping member 7 whose free end passes through slot 8 in the door. Latch 5 comprises a shell 5 with fingers 6 supporting the edge of the door. As the door is moved, member 7 is accommodated in a rib 9 in door 2.
Patent GB-1103542-A (GB)
Title: Improvements in or relating to semiconductor devices
Inventor: WHITE MAURICE WILLIAM
IPC: H01L29/00
Filed: 1963-08-23
Abstract: 1,103,542. Semi-conductor devices. PLESSEY-UK Ltd. 21 Aug., 1964 [23 Aug., 1963], No. 33454/63. Heading HlK. A planar semi-conductor device comprises a first region 3 of one conductivity type forming a planar PN junction with a main body 1 of the opposite type and a second electrodeless region 4 of the first conductivity type surrounding the first region to stabilize the device and reduce leakage; an oxide layer 2 covers the second region and the PN junction edge. The device is formed by photo-resist techniques.
Patent GB-1066458-A (GB)
Title: Unsaturated sulphonic acids and salts thereof
Inventor: BROUSSALIAN GEORGE LEON
IPC: C11D1/14
Filed: 1964-08-17
Abstract: Detergent compositions, particularly washing-up and laundry compositions, comprise unsaturated sulphonic acids and salts of formula <FORM:1066458/C4-C5/1> where R and R1 are each H or a C1-21 hydrophobic organic group which may contain substituents, the arithmetic sum of the number of carbon atoms in R plus R1 being 7 to 21, M is H, NH4 or an alkali or alkaline earth metal, including Mg, and x is the valence of M.  The usual anionic, nonionic or ampholytic surfactants, builders, anti-redeposition agents, optical brighteners and bleaching agents may be present.ALSO:The invention comprises unsaturated sulphonic acids and salts of formula <FORM:1066458/C2/1> where R and R1 are each H or a C1- 21 hydrophobic organic group, the arithmetic sum of the number of carbon atoms in R plus R1 being 7 to 21, M is H, NH4 or an alkali or alkaline earth metal, including Mg, and x is the valence of M. The sulphonic acids are preferably prepared by reacting an olefinic compound of formula R-CH2-CH = CHR1, preferably dissolved in a neutral, anhydrous solvent, with SO3 or a complex of SO3 with a nitrogen-free organic substance at a temperature below 15 DEG  C., and decomposing the resulting sultone by warming above 15 DEG  C., preferably in the presence of a Lewis base solvent.  Alternatively R-CH = CH-CHBrR1 may be reacted with a bisulphite. The salts are prepared by neutralizing the acids.
Patent GB-1080505-A (GB)
Title: Vehicle door hold-open devices
Inventor: JAMES STUART KENNETH
IPC: E05C17/20
Filed: 1965-08-05
Abstract: 1,080,505. Vehicle door hold-open devices. VAUXHALL MOTORS Ltd. July 14, 1966 [Aug. 5, 1965], No. 33539/65. Heading E2F. A vehicle door hold-open device comprises a lever 8 pivotally connected at one end to the door pillar 2 and having two notches 14 and 15 on one side near its free end, a roller 12 rotatably mounted on a door 1 hinged to the pillar 2, a tension spring 18 connected between the free end 16 of the lever 8 and an extension 17 on the roller mounting bracket 13 to keep the roller 12 and lever 8 in contact, so that upon opening the door the roller moves along the notch side 11 of the lever, exerting an open force on the door, and enters first one of the notches to hold the door in a partly open position and then the other notch to hold the door in a fully-open position. The lever 8 is pivotally mounted on the projecting part 10 of a bracket 3 welded to the inside of the pillar 2 and projecting through an aperture 4 in the pillar end wall 5 facing the end wall 6 of the door 1. The roller bracket 13 is bolted to the apertured end wall of the door, inside the door interior. Alternatively, the lever bracket may be secured to the door and the roller bracket may be secured to the door pillar.
Patent GB-816037-A (GB)
Title: Process for preparation of piperazine
IPC: C07D295/023
Filed: 1957-10-29
Abstract: Piperazine is prepared by heating a 10-60 per cent by weight aqueous solution of N-(2-aminoethyl) ethanolamine at 150 DEG  to 225 DEG  C. in the presence of a Raney nickel catalyst and under a superatmospheric pressure of hydrogen.  Pressures mentioned are 250 to 2000 p.s.i.  The catalyst may be present in from 4 to 20 per cent by weight based on the N-(2-amino-ethyl) ethanolamine. The reaction time may be 3 to 24 hours.  The piperazine may be recovered by fractional distillation or by crystallization of the hexahydrate effected by cooling to ice temperature or below (0 DEG  to -3 DEG C.).  Examples are given.