baber/WOPTO huggingface dataset:
Patent GB-1170069-A (GB)
Title: Improvements in or relating to seal assemblies
Inventor: BUTTERY ROGER ALEXANDER
IPC: F04D7/06
Filed: 1966-01-17
Abstract: 1,170,069. Centrifugal pumps. QUICKFIT & QUARTZ Ltd. and R.A. BUTTERY. Jan.11, 1967 [Jan. 17, 1966], No.57689/66. Heading F1C. [Also in Division F2] A pump impeller shaft 11 is sealed by means comprising a sleeve 17 having a first end portion 18 and a second end portion 19 joined by an axially compressible central portion 20, the portion 18 being a fluid tight fit on the shaft 11 and a surface 21 on the portion 19 being urged by a spring 22 into sliding sealing engagement with a surface on the pump housing 1, the portion 19 being drivably connected to the pump shaft driving means. The pump is driven by an electric motor 27 and used for pumping corrosive liquids, the housing 1, impeller 12 and shaft 11 being of glass and the latter being reinforced by an internal metal shaft 13. A gasket 168 is clamped between a flange 16a and an end 14 of the housing 1. The shaft 13 is coupled to the motor shaft 26 by a driving member 25 having clamped thereto one end of a metal casing 28, the other end of which has pins 32 engaged in slots in the portion 19. The spring 22 is compressed between a flange 24 of the member 25 and a retaining member-23 abutting the portion 19 and thereby urging the surface 21 against the gasket 168. The sleeve 17 is formed of a synthetic resin material, the surface 21 preferably being reinforced with glass. A carrying handle 40 is provided.
Patent GB-1436396-A (GB)
Title: Magnetic transducers for use with magnetic recording apparatus
IPC: G11B15/61
Filed: 1973-12-13
Abstract: 1436396 Magnetic heads INTERNATIONAL BUSINESS MACHINES CORP 13 Dec 1973 [27 Dec 1972] 57934/73 Heading G5R A magnetic transducer for recording/playback apparatus using a flexible recording medium has a working surface 34 with a plan surface shape which, in the direction of movement between the transducer and the medium, narrows from a leading end to a waisted portion 35 and then widens to a trailing end which is narrower than the leading end, a magnetic transducing gap 36 being located in portion 35. The sides 38, 40 and a portion 44 adjacent the trailing end of surface 34 may be bevelled and the surface 34 may have a substantially spherical contour, or a substantially cylindrical contour with curvature along said direction of movement, or a bi-radial curvature with one radius of curvature along said direction and a second radius transverse thereto. Magnetic tape 32, Fig. 3, 56, Fig. 5, is helically wrapped around a mandrel 57 with an air bearing therebetween, and the transducer 58, Fig. 5, is mounted on a disc rotating between halves of the mandrel so that the tape flies over the transducer. The leading end of the transducer is adjusted to create a wedge of air between that end and the tape 56 so that the tape flys over the waisted portion 35 at a height of 20-50 micro-inches. Shims 70 allow the radial position of the transducer 58 to be adjusted, screws 72, 74 allow movement along a chord of the rotating disc, and tipping can be effected by tightening a screw 66.
Patent GB-1139850-A (GB)
Title: Improvements in or relating to a mounting bracket for a mirror
IPC: A47B67/00
Filed: 1967-12-22
Abstract: 1,139,850. Pivotal bracket K. H. GUTNER. 22 Dec., 1967, No. 58292/67. Heading E2F. An adjustable bracket assembly, e.g. for attaching a mirror to a dresser, comprises two U-sectioned members 14 and 16 having arcuate end portions 15 and 17 one of which is slotted at 22 and the other is grooved and contains a threaded hole 20. They may be clamped together in any relative positions by means of a screw 18, washer 19 and clamping member 23 and adjusted by loosening the screw The radius of curvature of the arcuate portions is from #" to ¥" to yield a clamped perimeter of 1¢ to 4 lineal inches.
Patent GB-1450133-A (GB)
Title: Cooling of gas turbine engines
IPC: F01D11/10
Filed: 1973-12-17
Abstract: 1450133 Cooling gas turbine engines MASCHINENFABRIK AUGSBURG-NURNBERG AG 17 Dec 1973 [21 Dec 1972] 58301/73 Heading F1G Cooling of gas turbine rotor blades 4 is effected by coolant air, e.g. from the compressor stage or from a compressed air reservoir, directed on to the rotor disc 3 at its junction with the blade roots by nozzles 13 from an air chamber 14 in the stator 5 and directed on to the blade tips by nozzles 9 formed as radially directed circumferential slots surrounding the blade tips and connected to an air chamber 7. The air from nozzles 13 may alternatively be directed immediately on to the blades.
Patent GB-1444440-A (GB)
Title: Self-extinguishing styrene polymer compositions
IPC: C08K5/524
Filed: 1973-12-21
Abstract: 1444440 Self-extinguishing styrene polymer compositions BASF AG 21 Dec 1973 [3 Jan 1973] 59406/73 Heading C3P Self - extinguishing moulding compositions comprise (A) 100 parts by weight of a styrene polymer or copolymer, (B) 0À05 to 20 parts by weight of an organic bromine compound containing at least 40 weight per cent of bromine, (C) 0À05 to 2 parts by weight of an oligomeric or polymeric unsubstituted or halo-substituted di-, tri- or tetra-alkylbenzene having a degree of polymerization of 2 to 200, and as stabilizing material (D) 0À03 to 3 parts by weight of an organic phosphite and at least one other stabilizer selected from (E) 0À03 to 3 parts by weight of a C 4-12  alkane polyol containing 4 to 12 hydroxyl groups, (F) 0À01 to 1 part by weight of antimony trioxide, (G) 0À01 to 1 part by weight of a hindered phenol and (H) 0À01 to 1 part by weight of a substituted benzotriazole. The styrene polymer may be a homopolymer or copolymer with α-methyl styrene, acrylonitrile, methyl methacrylate or an acrylate, or a rubber modified polystyrene. The bromine compound may be hexabromocyclododecane, octabromohexadecane, brominated rubber or brominated diphenyl. Specified polyols are meso-erythritol, arabitol, quercitol, glucitol, mannitol galactitol and pentaerythritol. Examples describe compositions comprising impact resistant polystyrene containing 4% of polybutadiene mineral oil hexabromocyclododecane, p-diisopropylbenzene hexamer, trinonylphenyl phosphite and pentaerythritol, optionally together with (a) antimony trioxide, 2,6-di-t-butyl-p-cresol and 2 - (21 - hydroxy - 51 - methylphenyl) benzotriazole or (b) 2-(21-hydroxy-5<SP>1</SP>-methylphenyl)- benzotriazole.
Patent GB-1367527-A (GB)
Title: Building material
IPC: C04B26/14
Filed: 1971-12-22
Abstract: 1367527 Coated sand UNIVERSAL FILTER AB 22 Dec 1971 [28 Dec 1970] 59535/71 Heading C1A A method of manufacturing a building material comprising coating single grains of sand or like granular substance with a precured material which thermosets at more than 140‹ C., and moulding the coated mass during heating to setting temperature to produce material cemented together only at their points of contact, the material formed thus being porous. The binding agent may be a pre-cured epoxy resin of the one component type or a thermosetting plastics material where a hardener is introduced into the plastics material before the coating operation. The coating may be effected by dissolving the thermosetting material in a solvent which is mixed with the grains, the solvent then being evaporated.
Patent GB-1261620-A (GB)
Title: Process for preparing methylcyclohexenes
IPC: C07C1/24
Filed: 1969-12-08
Abstract: 1,261,620. Methylcyclohexenes; methylenecyclohexane. UGINE KUHLMANN. 8 Dec., 1969 [10 Dec., 1968], No. 59855/69. Heading C5E. 1-Methylcyclohexene, optionally containing 1 or 2 additional methyl groups in 3- and 4- positions, is prepared by catalytic vapour-phase dehydration of corresponding hexahydrobenzyl alcohol. Suitable catalysts include phosphoric anhydride or polyphosphoric acid on alumina grains, activated clay, kaolin, and oxides of Si, Al, Th, Ti, W and B. Examples use alumina catalyst in preparing 1-methylcyclohexene, with 3-(or 4-)methylcyclohexene and methylenecyclohexane being produced as by-products by double bond migration.
Patent GB-1300054-A (GB)
Title: Gas-cooled nuclear reactors
Inventor: COOK REGINALD KENNETH
IPC: G21D5/06
Filed: 1968-12-18
Abstract: 1300054 Cooling reactors BRITISH NUCLEAR DESIGN & CONSTRUCTION Ltd 16 Dec 1969 [18 Dec 1968] 60114/68 Heading G6C A nuclear power installation comprises a gascooled reactor and a gas-turbine unit (Fig. 1, not shown), the reactor core 2 being contained in a containment vessel 10 having an outlet for passage of heated coolant gas to the turbine unit, the outlet being provided with a thermallyinsulated lining having a cooling jacket through which coolant gas is returned to the core. In one embodiment (Fig. 2) the main flow of coolant is returned to the core 2 by way of entry ports 12 while an auxiliary flow, tapped from the main flow immediately down-stream of the ports 12, passes through an arrangement of coiled tubes 9 disposed in the hot gas outlet ports, insulation 11 being provided about this outlet. Gas in the auxiliary flow rejoins the main flow above the core 2. In another embodiement (Fig. 3) annular ducts 13, defined between the lining 11 and inner partition members, constitute the cooling jacket, all of the reactor coolant passing through the duets before entering core 2.
Patent GB-1216800-A (GB)
Title: Device for cleaning tubular ducts
Inventor: MICHEL RENE
IPC: B08B9/04
Filed: 1969-12-09
Abstract: 1,216,800. Cleaning tubular ducts. R. MICHEL. 9 Dec., 1969 [9 Dec., 1968], No. 60119/69. Heading F2N. A device for cleaning the interior walls of a duct comprises a pair of flanges 1, 2 arranged to form with the interior walls of the duct a chamber B, each flange being provided with a plurality of tubular elements 6, 9 arranged so that when the flange 1 is connected to a source of suction, a vortex is created in the chamber. The flanges 1, 2 are separated axially by stay rods 3 and are fitted with rubber washers 11, 14 to form flexible joints between them and the duct. The washers separate the deposit from the walls of the duct when the device is displaced therein by a cable attached to a hook 22 fitted to a coaxial stay rod 4. The tubes 6, 9 are curved as shown so that when suction is applied via a frusto-conical element 24, the deposits from the wall of the duct entering the chamber via the tubes 9 or through notches which may be provided in washer 14, undergo vortical motion and are directed centrifugally towards the periphery of the chamber thence through the tubes 6 to element 24.
Patent GB-1174740-A (GB)
Title: Metabolic Cage for Laboratory Animals
IPC: A01K1/03
Filed: 1968-12-19
Abstract: 1,174,740. Metabolic cage. BOEHRINGER MANNHEIM G.m.b.H. 19 Dec., 1968 [20 Dec., 1967], No. 60449/68. Heading AIM. A cage for laboratory animals (e.g. rats) has an enclosure K, a sieve plate S and a funnel T having a run off pipe at an angle of about 30 degrees to the funnel axis, the pipe being provided with a longitudinal groove LR and a number of grooves AR terminating at the groove LR, on the internal wall of the pipe as shown. Animal urine is collected from the tube A connected with a hole L at the lower end of the groove LR. Solid material leaving the sieve is collected at the lower end of the run off pipe.
Patent GB-616239-A (GB)
IPC: B22C9/06
Abstract: 616,239. Foundry moulds. SMITH, A. E. Aug. 31, 1946, No. 26273. Convention date, Sept. 29, 1945. [Class 83 (i)] A divided suction mould comprises a plurality of coacting body sections, a mould insert accommodated in at least one of said body sections and having a mould cavity therein and means securing said mould insert to the respective body section in such a manner that the insert is free to expand independently of the body section. Two hingedly connected body sections 10, 10<SP>1</SP> are each formed on their mating faces with recesses which when the body sections are closed together provide suction tubes 13, provided at intervals with slits 14, and an internal cylindrical recess accommodating mould inserts 18, 18<SP>1</SP> whose ends are spaced from the adjacent ends of the corresponding recesses in the body sections 10, 10<SP>1</SP> as shown at 12, whereby the inserts may expand independently of the body sections, each insert being connected to the respective body section by a number of screws 21<SP>1</SP> extending through clearance holes in the insert. The insert 18<SP>1</SP> is also allowed a limiting sliding movement in a direction at right angles to the plane of the insert face and is urged outwardly from the corresponding body section 10<SP>1</SP> by pairs of pins 24 whose outer ends abut against resilient plates 25, the inner faces of the inserts 18, 18<SP>1</SP> being thereby maintained in firm mutual contact when the mould is closed. Raised projections 28 on the insert 18<SP>1</SP> provide narrow slots 27 between the insert faces, whereby the mould cavity 19 may be evacuated. The casting is ejected by spring-loaded ejector pins 36 whose outer ends 36<SP>1</SP> abut suitably positioned stops 37 (Fig. 6, not shown) when the moulds are approaching their open position. Modified ejecting means (Fig. 8) comprise a horizontal supporting plate 32 supported above the inserts 18, 18<SP>1</SP> whereby when the mould is open the plate 32 is maintained centrally therebetween. The plate supports a divided tubular holder 35 communicating with the mould cavity and the suction head such that during casting molten metal is drawn upwardly into the holder 35 and the casting remains suspended therefrom when the mould is opened. Specification 580,364 is referred to.
Patent GB-737593-A (GB)
Abstract: 737,593. Battery lighting units. GENERAL ELECTRIC CO., Ltd., and RICHARDS, S. W. Feb. 9, 1954 [Feb. 11, 1953], No. 3874/53. Classes 39 (2) and 75 (3). [Also in Group VII] A portable battery lighting unit comprises a body harness consisting of a belt 3, Fig. 1, with attached shoulder straps 7, 8, a pouch 4 attached to the belt by loops 5 and containing a battery of dry cells, and a lamp or projector, Fig. 3, which is connected to the battery by a length of flexible insulated conductor 12 and has a rear blade 1 whereby it can be detachably fastened to a bracket 2 on the front of the harness or, alternatively, attached to a bracket on a headband.. The flexible lead 12 may be carried through a tube or tunnel 13 formed by stitching a piece of webbing to the shoulder strap 8. In the example, three unit cells of universal type are mounted on a chassis of insulating material which is provided with terminals and positioned within a case made of moulded insulation material and carried in the pouch 13.
Patent GB-759348-A (GB)
Abstract: 759,348. Balancing rotatable bodies. SJOSTRAND, H. E. Nov. 4, 1954 [Nov. 5, 1953], No. 31939/54. Class 106 (2). A rotatable body is balanced by removing excess material with a milling cutter or grinding wheel whose driving shaft 163 is mounted on a link 167 supported on a carriage by a spring 165 and which is moved into and out of engagement with the body by an eccentric 169 supported in the link and rotated by a control shaft 170 in the manner described in Specification 732,438. Alternatively the tool may be moved in and out of work engagement by electromagnetic means controlled by the vibrations of the body to be balanced.
Patent GB-2003957-A (GB)
Title: Strut
IPC: E21D11/18
Filed: 1978-07-24
Abstract: A strut for use between roadway arches in a mine comprises a length of timber 11 having secured thereto a metal strap 12 having, at each end, attachment means 15 whereby it can be attached to an arch. The timber is cheap and will withstand high compressive loading, and the strap bears any tensile load to which the strut may be subjected. <IMAGE>
Patent GB-2003690-A (GB)
Title: Digital processing
IPC: H04L25/03
Filed: 1978-07-31
Abstract: A digital filter stores products that may be used in the filtering process, thereby increasing speed of operation in real-time The filter receives sampled digital values representative of an electrical signal to be filtered. These values are stored temporarily in a random-access- memory and at least some of them are combined together before being multiplied by coefficients characteristic of the filter. <IMAGE>
Patent GB-2003598-A (GB)
Title: Motor coach ventilation system
IPC: E05D11/10
Filed: 1978-08-12
Abstract: A coach has ventilation openings (6) which can be closed by means of pivotally mounted hinged covers (21). To enable uniform ventilation along the length of the coach the ventilation openings (6) are located above the windows (4) and below the roof structure (2) and the hinged covers are pivotally mounted at their lower edges adjacent the lower edges of the ventilation openings (6), so that in their closed position, the covers bridge the corner junction (1) between the roof structure and the respective lateral wall (3) and are in engagement with a seat (15) disposed at the ceiling wall. In their open positions, said covers are pivoted downwards to such an extent that a passage (D) of steadily decreasing cross-sectional area towards the vehicle interior is formed between the sealing wall (8) and said covers (21). <IMAGE>
Patent GB-2002767-A (GB)
Title: Cyano containing esters
IPC: C08F20/42
Filed: 1978-08-15
Abstract: An organic substance, capable of polymerisation in the mesomorphic phase to form a solid polymer showing the anisotropic properties of a liquid crystal, and corresponding to the formula:   <IMAGE> in which n = 0 or an integer from 1 to 10, is synthesised and then polymerised at the temperature of the mesophase, optionally in an electrical or magnetic field, so as to promote the orientation of the molecules of the substance to be polymerised. Application is to various electronic components (capacitors) or optical components or even electro-optical components (for aligning liquid crystal molecules).
Patent GB-2037895-A (GB)
Title: Gas Turbine Power Plant
IPC: B64C29/00
Filed: 1978-10-11
Abstract: A V/STOL gas turbine power plant includes a main gas turbine engine 14 to 19 having an exhaust gas propulsion nozzle 20 and a fan 13 arranged within a fan duct 13a, which duct terminates in two nozzles 23, 24 such that a portion of the fan air may be directed vertically downwards or horizontally, the remaining portion of the fan air acting as a working fluid in one or more further auxiliary gas turbine engines 27 each engine including a vectorable exhaust nozzle 28. The auxiliary engines 27 are run at high speed in the take-off and high speed cruise modes of operation but maintained merely at flight idling speed in the normal or economical cruise mode of operation. <IMAGE>
Patent GB-2014800-A (GB)
Title: Synchronous motor
IPC: H02K21/14
Filed: 1978-12-28
Abstract: A self-starting synchronous motor comprises a centrally disposed rotor (4, Fig. 2 not shown) provided at its periphery with alternate poles and two stator assemblies 1, 2, 3; 9, 10, 11 each comprising a coil 3; 11 and two laminations 1, 2; 9, 10, stator pole shoes 5, 6, 7, 8; 16, 17, 18, 19 of the two assemblies being provided by portions of the laminations bent in axially opposite directions to lie in side by side relationship. Each pair of laminations 1 and 9 or 2 and 10 may be formed from a single piece. The pole shoes 5, 6, 7, 8; or 16, 17, 18, 19 of each stator assembly extends over at most 180 DEG  of the rotor circumference and those of one assembly are off-set by half a pitch relative to the other. The coils are fed with phase-displaced currents. <IMAGE>
Patent GB-2015414-A (GB)
Title: Forming oriented fiber reinforced thermoplastic composite articles
IPC: B29C43/18
Filed: 1979-02-07
Abstract: In a method of forming oriented fiber reinforced thermoplastic composite articles, the fiber is impregnated with the thermoplastic resin and conditioned into a molding compound. The molding compound is compacted into a simply configured bulk thermoplastic preform containing randomly distributed fibers. The preform is subjected to pressure in a heated forming device causing the material to flow such that the fibers are essentially disposed in a preferential orientation. The forged shape may be cooled under pressure in the mold to form the final composite article. The preferred materials are polyphenylene sulphide resin and graphite fibres.
Patent GB-2015406-A (GB)
Title: Resistance Welding Machine Having a Confined Controlled Inert Gas Atmosphere
IPC: B23K11/00
Filed: 1979-03-05
Abstract: A resistance welding apparatus is disclosed comprising inner and outer roller electrodes (1 and 2) for seaming the lapped edge portions (4 and 5) of a rolled can or tin body blank (3). The inner roller electrode is accommodated in an opening (7) in a carrier arm (6). A cylindrical sleeve (10) substantially closes off the opening though providing a narrow passageway for the inner roller electrode (2). A sheet material member (11) defines a similar passageway for the outer roller electrode (1) and has a depending flange (12) terminating in the immediate proximity of the outer surface of the rolled body blank (3). A controlled inert gas atmosphere (e.g. A or N with optional addition of H2) may thus be confined within the immediate proximity of the welding zone. The periphery of the confinement zone can be delimited by friction members. <IMAGE>
Patent GB-2045545-A (GB)
Title: Electrical connector casings
IPC: H01R13/50
Filed: 1979-03-24
Abstract: A casing for an electrical connector comprises a one piece moulding including a pair of side portions 17, 18 hingedly connected to opposed sides of a base portion 12, the side portions being movable for abutment with one another to define an enclosed casing, each side portion having an abutment surface 17d, 18d which resiliently abuts against the base 12 to restrain separation of the side portions when in mutual abutment. <IMAGE>
Patent GB-2019529-A (GB)
Title: Resilient Shaft Couplings
IPC: F16D3/68
Filed: 1979-04-02
Abstract: A resilient coupling comprises an inner shaft (12) nested concentrically within an outer shaft (11) by means of interposed annular sleeve members (14, 15) of elastomeric material, and also as a parallel path for transmission of torque between the shafts there is provided a buffer unit (16) mounted within the outer shaft. Initial application of torque between the shafts is transmitted solely by sleeve members (14, 15), but when a certain degree of torsional deflection is exceeded by the sleeve unit, torque then becomes additionally transmitted by the buffer unit (16), which may consist of an elastomer-covered star- shaped inner member (Fig. 3) disposed, with lost-motion clearance, within recesses of an outer member (24). The coupling may be incorporated in a cardan shaft assembly. Alternatively, as a non- rotating mounting, the coupling may form part of a vehicle suspension system. <IMAGE>
Patent GB-2029531-A (GB)
Title: Caliper brake apparatus of the side-pull type
IPC: F16D49/16
Filed: 1979-07-09
Abstract: In a brake apparatus 1 for a bicycle including a pair of brake arms 3, 6 each having a brake shoe 5, 8 and turnably mounted on a centre bolt 9, and a brake spring 30 for biasing the shoes away from each other, a centre adjusting device 2 comprises a retainer 22 supported on the centre bolt 9 turnably relative to the bolt for retaining the brake spring 30, a holder 37 mounted on the bolt 9 immovably about the axis of the bolt and an adjusting member 33 supported by the holder and associated with the spring retainer 22, the adjusting member 33 being positioned on one side of the centre bolt 9 displaced laterally outward from the frame of the bicycle and thereby rendered easily operable to effect accurate adjustment. The adjusting member 33 when rotated turns the spring retainer 22 about the axis of the bolt 9-and various embodiments for achieving this are disclosed- e.g. adjusting member 33 passes through a member 36 engaged with an arm 34 on member 22, or a screw (233C) of adjusting member (233) engages a rack (222A) on retainer (222). <IMAGE>