baber/WOPTO huggingface dataset:
Patent GB-1430275-A (GB)
Title: Machine tools pressure-sensitive adhesives
IPC: B23B29/12
Filed: 1973-06-20
Abstract: 1430275 Tool changers; turning SCHIESS AG 20 June 1973 [21 June 1972] 29269/73 Headings B3B and B3T A machine tool, e.g. a vertical lathe having a face plate 2, a pair of columns 3, a vertically movable cross beam 5, a horizontally movable tool head 6, comprises a vertically movable tool slide 7 movable within the tool head 6 and adapted to carry a detachable tool head 48, the tool slide 7 including, within a housing 8, a motor and gear drive which acts to lower and rotate a central spindle 43 to release a bayonet connection between the tool slide and the tool head and also to index the tool head to place one of a plurality of cutting bits 62 in a cutting or tool exchange position, the tool head 48 including one or more spring closed clamps 60 to grip each tool bit 62, the clamps being released during a tool exchange by feeding pressure fluid e.g. hydraulic or pneumatic, through a pipe 26 in the spindle 43 to a cylinder 55 to overcome the spring clamping force. The tool bits for exchange are held on the periphery of a disc magazine 14 by a pair of pins and a spring detent (Fig. 8, not shown) and may be arranged vertically or horizontally depending on the attitude required in the tool head. The tool head 6 is moved to the magazine 14 for a tool bit exchange, a used tool bit is placed on the pins -on the magazine, and the tool head is then retracted. The magazine is rotated to bring forward a required bit, the tool head advances on to it with the clamps 60 released, the fluid pressure is then released to allow spring clamping of the new tool bit, and the tool head is then moved to an operating position. The attachment of the tool head 48 to the toolslide 7 comprises interengaging projections 45, 46 by which means the tool head 48 is raised to engage radial arrays of teeth 50, 51. During indexing of the tool head 48 to a cutting position the projections 45, 46 are prevented from relative rotary movement by a pin 54 which engage a groove in one of the projections 45. The motor and gear drive arrangement (Fig. 2, not shown) comprises a motor (15) driving a pinion (16) which rotates, through an internal gear ring (18) and sleeve (19) a screw feed nut (23). The top end of the spindle 43 has a screwed pin (24) which engages the nut (23). To index the tool head 48, the motor is started to rotate the nut (23) which lowers the spindle and pin (24), 43. Teeth (32) on a sleeve (31) moved with the spindle 43 engage teeth (33) on the sleeve (19) when the spindle is lowered sufficient to release the interengaging radial teeth 50, 51, whereupon spring biased holding pins 35 are overcome and the sleeve (19) is rotated, so rotating the spindle 43 and tool head 48 to a new position. The sleeve (31) carries cam surfaces (38) and (38<SP>1</SP>) to actuate switches to control the vertical movements with the angular indexing position of the spindle and tool head.
Patent GB-654257-A (GB)
Title: Gear cutting tool
IPC: B23F23/08
Filed: 1947-11-04
Abstract: 654,257. Generating gear-teeth. PROCESS GEAR & MACHINE CO. Nov. 4, 1947, No. 29397. Convention date, March 2, 1946. [Class 83 (iii)] A rotary gear tooth generating tool comprises a cutting face 11, which is approximately equal to one half of a basic rack tooth in cross-action and which ascends in a helix about the longitudinal axis of the tool to form the shank. Involute or cycloidal teeth may be generated. The tool is gripped in a chuck 20 by the rib 16. The blank 23 is mounted coaxially with a master gear 15 on a slide 25 reciprocated by a link 29. The gear 15 meshes with a rack 14 which is raised manually for indexing. The slide 25 is itself mounted on a slide 32 which is moved past the rotating tool 11, thus cutting a tooth space 34<SP>1</SP>. The Specification as open to inspection under Sect. 91 states that the tool may be moved and the slide 25 remain stationary. This subject-matter does not appear in the Specification as accepted.
Patent GB-1447372-A (GB)
Title: Thermal radiation sensing conveyor particularly for a machine producing a roofing tile or the like
IPC: G01J5/34
Filed: 1973-06-21
Abstract: 1447372 Intruder alarms RANK ORGANISATION Ltd 11 April 1974 [21 June 1973] 29472/73 Heading G4N [Also in Division H1] A radiation detector, e.g. for sensing I.R. radiation from an intruder in an alarm system, comprises two portions of pyroelectric material 7, which may be joined, having electrodes 8-10 connected with opposite polarity to an amplifier so as to provide a differential signal dependent upon the difference in temperature of the two portions. The connections with opposite polarity ensure that changes in ambient temperature affecting both portions of pyroelectric material 7 produce cancelling signals which do not activate an alarm mechanism. The detector may be placed at the foci of a concave mirror so that the two portions sense radiation along different paths, Fig. 1.
Patent GB-712886-A (GB)
Title: Improvements in or relating to electric discharge tubes
IPC: H01J19/44
Filed: 1952-11-21
Abstract: 712,886. Thermionic valves. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Nov. 21, 1952 [Nov. 26, 1951], No. 29473/52. Class 39(1) An electric discharge tube having electrodes spaced apart by centring members, at least one of the electrodes being secured to the centring members by insulating supporting members, is characterized in that the centring members are of mica and the supporting members of a different insulating material. the surfaces of the mica centring members facing the electron space being at least partly covered with a conductive layer. In the figure the anode 6 is supported by ceramic rods 8 from mica centring members 2 provided with a conductive coating 9. The coating 9 may be of metal, and the metal chosen may be ferro-magnetic such as iron or nickel; alternatively the coating may be of carbon, which has low secondary emission. It has been found that by coating the mica with conductive material a higher anode-cathode voltage may be used; the coating may be connected to the cathode or to another electrode.
Patent GB-1190617-A (GB)
Title: Fuel Injection Pumps for Internal Combustion Engines.
IPC: F02M41/12
Filed: 1967-06-27
Abstract: 1,190,617. Fuel injection pump. ROBERT BOSCH G. m. b. H. June 27, 1967 [June 28, 1966], No.29489/67. Heading F1A. The quantity of fuel delivered by a fuel injection pump is regulated by a throttle in the inlet and injection is terminated by the opening of a spill passage which is also throttled, the resulting pressure being used to regulate the inlet throttle. A reciprocating and rotating piston 12 draws through an inlet passage 23 and delivers through a valve 27 and port 28 to a plurality of outputs 29 and subsequently spills through a radial bore 31 to a groove 30 and passage 32. The passages 23, 32 are intersected by a throttle valve 34, the passage 32 communicating with the under side of the throttle valve to control its position against an adjustable spring 35. The throttle valve is also axially adjustable by means of a lever 40. The spill passage throttle portion of the throttle valve may be such that change of the throttle area is only made by rotating the throttle valve. A valve 49 closes the spill passage 32 when the pressure from the feed pump 7, which is regulated by the valve 22, is low i.e. on starting up, the provide excess fuel. The drive cam is angularly adjustable by means of a piston 9 subjected to the feed pump pressure and the pressure on the piston may be regulated by a further edge on the throttle valve 34. Movement of the valve 34 is damped by a throttle 47. The quantity spilled is negotiated by axial adjustment of the cylinder 14 by means of screw 18.
Patent GB-533556-A (GB)
Title: Improvements in and relating to the fastening of cast brake magnets of high coerciveforce
IPC: H01F7/02
Filed: 1939-11-06
Abstract: 533,556. Foundry cores. LANDIS & GYR AKT.-GES. Nov. 6, 1939, No. 29514. Convention date, Dec. 3, 1938. [Class 83 (i)] In order to produce a brake magnet, for electricity measuring apparatus &c. with a hole for fastening means, this is cast in a mould with a yielding core at the point where the hole is required. The core may comprise a split metal sleeve 2, Fig. 1, or a plug 13, Fig. 2, of metal or burnt clay, the slits 3, 14 being filled with moulding sand, &c. The mould cavity 1 may be enlarged where the body is arranged to avoid reducing the crosssection of the cast metal. The core 2 is extracted from the magnet after removing the sand from the slit and the body 13 by breaking it up.
Patent GB-925307-A (GB)
Title: Hydraulic regulating apparatus
Inventor: DRAKE GEORGE FORREST
IPC: G05D13/00
Filed: 1961-08-16
Abstract: 925,307. Fluid-pressure servomotor control systems. WOODWARD GOVERNOR CO. Aug. 16, 1961, No. 29582/61. Class 135. Hydraulic-regulating apparatus comprises a piston valve 27 of which a land 31 controls the connection of a first duct 23 with pressure and exhaust passages 24, 25, a restricted passage 55 interconnecting the first duct and a second duct 18 which communicates with a singleacting servo-piston 14 actuating, e.g. a prime mover throttle valve, a resiliently displaceable movable wall 20 capable of transmitting changes of pressure from the first duct to the second duct, and connections 61, 59 between the two ducts 23, 18 and pressure chambers 60, 58 at opposite ends of the piston valve to resist changes of position of the piston valve. As shown, the piston valve is actuated by a speed governor 11 driven by the prime mover and adjustably loaded by a spring 48. In a modification, the restricted passage 55 is external of the movable wall and the piston valve, movable in a sleeve which is continuously rotated to reduce static friction, is displaced by a spring of which an abutment is movable by means responsive to a temperature or a pressure. Specification 701,682 is referred to.
Patent GB-1366547-A (GB)
Title: Copper refining process process for recovering metal f''' slags
IPC: C22B7/04
Filed: 1971-10-14
Abstract: 1366547 Refining copper LA MTALLOCHIMIQUE S A 14 Oct 1971 [14 Oct 1970] 29588/73 Divided out of 1366545 Heading C7D The subject-matter of this Specification is similar to that described in Specification 1366545 but the claims are directed to the steps of:- (i) reducing copper-bearing materials to form a black, impure, copper. (ii) adding silica to the black copper to form a refining bath having a slag phase. (iii) blowing the black copper with oxygen at a temperature just above the temperature at which the slag remains fluid while agitating the reaction masses to selectively oxidize metallic impurities of higher oxygen affinity than copper while preventing a vapourization of any lead or tin oxide produced, to produce copper metal and a slag containing the impurities, in particular a major proportion of the lead or tin originally contained in the black copper.
Patent GB-440753-A (GB)
Title: Improvements in or relating to driving arrangements for spinning and doubling spindles
IPC: D01H1/243
Filed: 1934-10-17
Abstract: 440,753. Friction gearing. AKT.-GES. J. J. RIETER & CIE, Klosterstrasse, Winterthur, Switzerland. Oct. 17, 1934, No. 29733. Convention date, Oct. 21, 1933. [Class 80 (i)] [See also Group IX] Friction gearing for spinning and doubling spindles comprises discs 3 of elastic material supported between rings 12 on a shaft 4, which is movable longitudinally to such an extent that each disc may engage the next adjacent spindle and reverse the direction of rotation. The Specification as open to inspection under Sect. 91 comprises also discs provided with elastic lagging on the rim, and discs slidably mounted on the driving-shaft between springs 14, Fig. 5 (Cancelled), confined by fixed abutments 15. This subject-matter does not appear in the Specification as accepted.
Patent GB-536337-A (GB)
Title: Improvements in or relating to fluid circulating or heat exchanging systems
IPC: A01J9/04
Filed: 1939-11-09
Abstract: 536,337. Milk and other film coolers. ALUMINIUM LABORATORIES, Ltd. Nov. 9, 1939, No. 29757. Convention date, Nov. 16, 1938. [Classes 64 (ii) and 64 (iii)] In milk coolers and heat- .radiating surfaces comprising corrugated sections assembled in interlocked relationship, alternate crests 4 on the plates 1, 2 are provided with T- flanges 5 to engage with complementary grooves 6 on the intermediate crests. The adjacent tubular passages so formed are brought into communication by removing parts of the flanges ; and header plates 17, 20 are provided at the ends; a drip stick 33 directs the milk into a collecting pan. In a modification, two cooling structures are superposed to enable two different cooling-media, e.g. water and brine, to be used. The plates may be formed of aluminium or its alloys provided with a coating of oxide.
Patent GB-381734-A (GB)
Title: Improvements in lubricating means for bearings, such as in spring shackles
IPC: B60G11/12
Filed: 1931-10-27
Abstract: 381,734. Lubricating bearings and spring shackles. TRYON, W. A., West Church Street, Elmira, New York, U.S.A. Oct. 27, 1931, No. 29774. [Classes 12 (ii) and 12 (iii).] In a bearing comprising a hollow conical-ended pin 4, Fig. 1, extending into a conical bearing pocket 3, the. parts being maintained in assembled relation by spring means, an annular absorbent pad 13 is arranged in a cylindrical recess at the bottom of the pocket so as normally to be compressed by the pin, whereby, upon the occurrence of relative endwise movement between the pin and the pocket, the pad alternately absorbs oil from the interior of the pin and discharges it to grooves 12 formed in one or other of the co-operating bearing surfaces. Fig. 1 shows the application to a spring shackle, the pockets 3 being formed in the side links 1, 2 which are maintained in assembled relation on the cross-pins 4 by a bolt 5 fitted with a spring 8. Oil is supplied to the interior of the pins through nipples 9. Fig. 6 shows the application to the pivotal connection of the eye S of a spring to frame lugs L, wherein the pockets are formed in the ends of a sleeve 20 fixed in the eye S to receive pins 22, 25, the pin 25 being fixed in one lug L while the pin 22 is feathered in a nut 26 fixed to the other lug L and is pressed by a spring 31 into engagement with the corresponding pocket. Annular absorbent pads 13 are arranged in each pocket and oil is supplied to the hollow pin 22 through a nipple 37 mounted on the nut 26 and has access through a passage 35 in the sleeve 20 to the other pad.
Patent GB-1511896-A (GB)
Title: Generating plant and method of starting up a generating plant
IPC: F02C3/28
Filed: 1975-07-17
Abstract: 1511896 Turbine power plant STEAG AG 17 July 1975 [6 Aug 1974] 29961/75 Headings F1G and F1Q A power plant comprises compressors 4, 12 delivery air to a reaction chamber 13 in which a fuel gas is produced which then expands through turbine 15 driving compressor 12 before being burnt with air in combustion chamber 9, the combustion gases driving turbine 1 connected to compressor 4 and electric generator 5. To start the  plant, a motor 25 drives a starting compressor 24 to direct air into line 7 downstream of non-return valve 10. The air is further compressed by compressor 12 which is driven by motor 27 via gearing 28 and rotates free of turbine 15 by virtue of clutch 23. The air then enters reactor 13 where steam and coal are added to produce a fuel gas which is directed via purifier 14 to expand through turbine 15. Since at this stage valve 31 is closed, the expanded gas flows via line 30 to flame point 29 where it is burnt off in the atmosphere. When reactor 13 produces about 30% of its full load quantity of fuel gas, motor 2 accelerates turbinecompressor unit 1, 4 via gearing 3 and at the same time valve 31 is opened and 32 closed so that the fuel gas from turbine 15 flows to combustion chamber 9 where it is burnt with air tapped from the output of compressor 4 via line 8, the combustion gases assisting rotation of turbine 1. When the plant is fully self-sustaining motors 2, 25 and 27 are switched off. A boiler 17 attached to combustion chamber 9 generates steam which is supplied to a steam turbine 19 driving an electric generator 20. The expanded steam is condensed in condensor 21 before returning via compressed air intercooler 11 to boiler 17. At shut-down, the fuel gas leaving reactor 13 can be passed directly to flame point 29 by opening valve 34 in line 33. The latter may include a heat-exchanger for condensing water vapour and hydrocarbons in the gas.
Patent GB-1382456-A (GB)
Title: Process for the manufacture of rigid foamed polymers
IPC: C08G18/10
Filed: 1972-06-27
Abstract: 1382456 Foamed carbodiimide linked polymers BASF WYANDOTTE CORP 27 June 1972 [5 Aug 1971] 29997/72 Heading C3C A rigid foamed carbodiimide linked polymer is made by condensing an organic polyisocyanate or a "quasi prepolymer" (i.e. made by reacting an excess of an organic polyisocyanate with an active hydrogen containing compound) in the presence of a catalyst which is 2,4,6-tris-(N- methylethanolamino)-s-triazine alone or together with an.isocyanate trimerization catalyst which is 1,3,5-tris-(N,N-dialkyl-aminoalkyl)-shexahydrotriazine, 2,4,6 - tris(dimethylaminomethyl) phenol, o- and/or p-dimethylaminomethyl phenol or an organotin compound, e.g. R<SP>11</SP>SnOR<SP>111</SP> where R<SP>11</SP> is alkyl, aryl or alkenyl and R<SP>111</SP> is R<SP>11</SP> or -SnR<SP>11</SP>. In the examples a mixture of 2,4- and 2,6-toluene diisocyanate, with optionally methylene diphenyl diisocyanate and/or 4,4<SP>1</SP>-methylene dianiline, was foamed by condensing in the presence of the above triazine, with optionally 1,3,5 - tris(N,N. dimethyl - 3 - aminopropyl) - s - hexahydrotriazine, bis(tri - N - butyltin) oxide or bis- (triphenyltin)oxide, and tris(2-chloroethyl)phosphate and a polysiloxane surfactant.
Patent GB-468680-A (GB)
Title: Improvements in and relating to the treatment of carbonaceous materials
IPC: C10G1/04
Filed: 1935-10-31
Abstract: The destructive hydrogenation of solid carbonaceous materials with hydrogen in deficiency to obtain solid fusible products is carried out in presence of distributing agents of an aromatic or naphthenic character, e.g. middle tar oils, coal tar distillates, tetrahydronaphthalene phenols, &c.  The reaction is carried out at about 400 DEG  C. with an absorption of 2--5 per cent hydrogen. Two or three autoclaves may be used in series through which the materials and hydrogen are pumped in opposite directions.  The reaction occupies about 60--90 mins. which is reduced to 40--60 mins. in presence of catalysts, e.g. zinc chloride dissolved in alcohol, metal alloys rolled in bands, pulverulent catalysts pasted with water and deposited on wire mesh netting.  The initial materials may be preheated or chlorinated.  In examples: (1) predried ground coal is mixed with 8--10 parts of a coal tar distillate boiling between 250--320 DEG  C. and treated with hydrogen at 410 DEG  C. and 250 atmos. pressure until 4 per cent hydrogen is absorbed, the reaction product is withdrawn and filtered with the aid of solvents, 85 per cent of coal bitumen solidifying at 85 DEG  C. is obtained; (2) Lignite mixed with a coal tar fraction boiling between 180 and 200 DEG  C. is similarly treated until 3,5 per cent hydrogen is absorbed, 81 per cent of a coal bitumen solidifying at 30 DEG  C. being obtained.  The coal bitumen may be used as a black lacquer, roofing material, road construction material or in molten condition in motors or by further hydrogenation or distillation as a solvent. Specifications 322,194 and 337,028, [both in Class 32], are referred to.
Patent GB-324320-A (GB)
Title: Improvements in and relating to the manufacture of solid bodies from disintegrated alabaster, gypsum, marl and the like
IPC: C04B28/32
Filed: 1928-10-18
Abstract: 324,320. Bindphast Products, Ltd., and Greene, J. A. Oct. 18, 1928. Plastic compositions containing oxychlorides.- A composition for the manufacture of moulded articles comprises ground alabaster, gypsum, marl, marble, granite or the like saturated with 15-25 per cent of a solution of 33 per cent strength of preferably equal parts by weight of magnesium chloride and calcined magnesite to which a small quantity, e.g. 5 per cent of zinc oxide, alum or sodium silicate is added.
Patent GB-197268-A (GB)
Title: Improved tire and rim for motor vehicles
IPC: B60C7/12
Filed: 1922-11-04
Abstract: 197,268. Mitchell, L. O. Nov. 4, 1922. Non-metallic elastic bodies and cores; tyre attachments to rims.- A cushion tyre comprises rubber blocks 10 having transverse apertures 9 which register with apertures 8 in the side walls of an outer cover 6, fabric strips 11 being cemented to, and lapping the inner and outer faces of, adjacent blocks, as shown in Fig. 1. A continuous band 19 arranged near the tyre beads is fitted with pins 20 adapted to pass through holes 21 in the collapsable rim 1. The pin 20 which passes through the aperture formed by the cutaway parts 25, 26 at the rim-ends is threaded to take a holding-nut. The rim is fitted with brackets 30 for attachment to a wheel.
Patent GB-1505756-A (GB)
Title: High-voltage direct current transmission system
IPC: H02J1/00
Filed: 1975-07-18
Abstract: 1505756 High voltage direct current transmission systems ASEA AB 18 July 1975 [19 July 1974] 30189/75 Heading H2F A high voltage D.C. transmission system comprises a rectifier station 1 connected by a D.C. line 5 to an inverter station 2, the rectifier station being provided with a voltage sensor 7 and a current sensor 8 connected via a maximum voltage level indicator 9 and a minimum current level indicator 10 respectively to a signal generator 13, 14 for reducing the direct voltage of the rectifier station when a direct voltage above the maximum level and a direct current below the minimum level occur simultaneously. The system prevents overvoltages occurring on the line 5 and in the rectifier station on starting this station. The sensor 7 is a voltage divider which is connected to one input of a summation member 11 the other input of which receives the maximum voltage signal U krit . The sensor 8 is a current measuring transductor connected to a summation member 12 which also receives the minimum current signal I krit . In the event of the rectifier voltage exceeding the maximum level simultaneously with the current being less than the minimum level, the indictors 9, 10 provide signals to an AND gate 13 which, via a time delay 14, supplies a signal to the rectifier station to reduce the direct voltage supplied by the station. The voltage reduction may be achieved by controlling the firing angle of the rectifier valves, by blocking the rectifiers or by shunting one or more of the rectifiers in the station 1. In a modification, a circuit for simulating the current and voltage at the inverter station is connected to the outputs of the sensors 7, 8 to reduce the rectifier output voltage in the event of a fault at the inverter station. A circuit is also described for reducing the inverter output voltage in the event of a temporary decrease in the inverter current.
Patent GB-1368587-A (GB)
Title: Headlamp assembly including a headlamp and a wiper therefor
IPC: B60S1/60
Filed: 1973-06-26
Abstract: 1368587 Headlamp wipers NISSAN MOTOR CO Ltd and JIDOSHA DENKI KOGYO K K 26 June 1973 30215/73 Heading A4F [Also in Division F2] A vehicle headlamp assembly including a wiper for wiping the headlamp 10 comprises a spindle 14 mounted adjacent the headlamp, a wiper arm 12 mounting a blade or brush 12g and movable about the longitudinal axis of the spindle, a crank arm 20 fixed to the spindle, and flexible drive cables 24a, providing a reciprocating drive, with the crank arm 20 for imparting oscillating rotary motion to the wiper arm. As shown in Fig. 2, two wipers may be provided driven by a common electric motor 22a and, as in Fig.6, each wiper arm 12 may include a further arm 12' at 90 degrees to the arm 12 to enable each assembly to wipe two adjacent headlamps 10. Each wiper arm 12 is connected to its associated spindle 14 by a hinge plate (26), (see Division F2).