baber/WOPTO huggingface dataset:
Patent GB-1066264-A (GB)
Title: Nuclear reactor
IPC: G21C1/08
Filed: 1964-09-21
Abstract: 1,066,264. Reactors. UNITED STATES ATOMIC ENERGY COMMISSION. Sept. 21. 1964 [Nov. 15, 1963], No. 38494/64. Heading G6C. In a large pressurized-water power breeder reactor there are no neutron absorbers in the core apart from safety rods, and control is effected by moving fuel to vary the ratio of neutrons used for fission and breeding. The core is formed of a number of core assemblies, each being independently critical, and containing both fissile and fertile material, U 235  or U 233 , and U 238  or Th 232  respectively, and all being in dioxide form. It is envisaged that the reactor will operate at its full power of 1720 MW(th) for 10 years without refuelling. Reactor.-Coolant enters the spherical pressure vessel 20 through a pipe 35 which leads to an inlet plenum chamber 31. 40% of the coolant enters ports 36 and passes upwards within the movable centres of the core assemblies, out through the ends of these parts to the stationary part of the core assemblies, and finally through outlets 49. Tile remainder of the coolant enters the core assemblies through ports 53B and makes three passes through each before leaving. The core weight is transmitted to the pressure vessel by the inlet plenum chamber. Core assemblies (Figs. 1, 3).-The core of the reactor is assembled basically from a number of circular section units 42 each surrounded by three chevron section units 38. These units are arranged on a triangular lattice. The innermost section, 41, is the movable portion of the assembly and is surrounded by the fixed annular portion 42. Both sections comprise a plurality of rods 44 containing fertile and/or fuel material. An annular neutron absorbing safety element 43 is insertable between the sections 41 and 42. Each blanket segment 38 contains fertile rods 55 and has an internal baffle 58 forming two of the coolant passes referred to earlier, the third pass being through the fixed annular section 42. Thus the critical units of the reactor core each comprise a group formed by members 41, 42. and three members 38. Each rod in the central region of section 41 is entirely of fertile material, and the remaining rods of section 41 have upper portions of fertile material and lower portions of fissile material. The relative lengths of fissile and fertile material in the rods are so arranged that, referring to Fig. 10, the central rod 41 has fertile material 45 and fissile material 46. A similar arrangement of the rods in the annular section 42 results in that part of the assembly having a fissile region 46 and a fertile region 45. Reactor operation.-All reactivity control, other than emergency shut-down, is achieved by moving the centre core assembly sections 41. Initially, all power is generated by the fissile material, but towards the end of the reactor lifetime about 65% of the power will be derived from the originally fertile loading. At start-up, the movable sections are set at positions of maximum reactivity, are moved to minimum positions after about 30,000 hours and gradually returned to their original positions in about 70.000 hours.
Patent GB-1036030-A (GB)
Title: Piezo-electric high-voltage ignition device especially for lighters
IPC: F23Q3/00
Filed: 1964-09-21
Abstract: 1,036,030. Piezo-electric generators. HEINRICH MALTNER G.m.b.H. Sept. 21, 1964 [Sept. 21, 1963], No. 38503/64. Heading H2A. Excessive pressure on piezo-electric elements 3, 4 of a manually operated high-tension igniter, e.g. for cigarette lighters, is prevented by spring buffers 23. These buffers may be at either end, or between the elements, or in the pressure-link 11. The actuating lever 12 may be simple as shown, or multi-stage.
Patent GB-889066-A (GB)
Title: Improvements in or relating to substances produced from penicillin-producing moulds
Inventor: DOYLE FRANK PETER
IPC: C07D499/76
Filed: 1959-11-13
Abstract: Relates to penicillins of the general formula <FORM:0889066/IV (b)/1> where R is a hydrogen atom or an alkyl, alkoxy, alkylthio, mercapto, hydroxy, chloro, bromo or phenyl group, such as a -, b -, or g -pyridyl penicillin, and non-toxic salts thereof.  The Specification refers to many other penicillins of the above formula.  The penicillins may be prepared by reacting 6-amino-penicillanic acid, or a neutral salt thereof, with an acid chloride of the formula <FORM:0889066/IV (b)/2> or with a functional equivalent thereof as an acylating agent for a primary amino group, such as the corresponding carboxylic acid bromides, acid anhydrides and mixed anhydrides with other carboxylic acids.
Patent GB-1339805-A (GB)
Title: Kitchen cabinets
IPC: A47B47/04
Filed: 1971-08-17
Abstract: 1339805 Cabinets MANUFACTURAS VEGA S A 17 Aug 1971 [15 Sept 1970 23 Sept 1970(2)] 38632/71 Heading A4B A kitchen cabinet comprises a plurality of horizontally aligned base panels 2 inter-connected at their front edges by a rail 1, a plurality of upper frame members, e.g. rails 13, 15 or a panel 22, inter-connected at their horizontally aligned front edges by a rail 17, and a plurality of vertical partitions 18. In one embodiment, Fig. 1, the cabinet is supported on a bracket 3 secured at one end to a wall and supported on an adjustable foot 5. A work top 12 is supported on a flange 14 carried by the front rail 15 and an adjustable screw device 8 carried by the rear rail 13, the latter being secured by a flange 9 to the wall. The work top engages a seal 11 carried by a strip 13 secured to the wall. A further seal 11 bears on the wall. A decorative strip 16 is provided on the front edge of the work top. In another embodiment, Fig. 2, the cabinet has a L-section strip 21 secured to a wall and a strip 20 supported in a U-section rail 19 secured to the wall. The cabinets are provided with doors 27 provided with upper and lower rails 29 provided with catches 24, 28 and hinge parts 25 pivoted on vertical pins carried by fittings engaging in the connector rails 1, 17. (For Figure see next page)
Patent GB-1301947-A (GB)
IPC: A61B17/34
Filed: 1970-08-11
Abstract: 1301947 Trocar and catheter assembly D S SHERIDAN 11 Aug 1970 [19 Sept 1969] 38722/70 Heading A5R A trocar-catheter assembly comprises a rigid stylet 4 of circular cross section with an enlarged end 16 and a catheter of plastics material with a smooth, closed conical tip 24, a fluid opening 28 and a central body portion the interior of which conforms to the shape of the stylet. In a preferred embodiment the stylet is provided with a capillary groove 10 and a solid plastics ball 16. The tip of the catheter 24 is formed of rigid plastics material whilst the remainder 6 is of flexible plastics material. The proximal end of the catheter may comprise a male (44) (Fig. 3, not shown) or a female 42 connector for auxillary apparatus. The catheter includes a depth penetration stop 48. This comprises a slotted tubular member having a radially extending collar. The assembly may be enclosed in a sealable package and sterilised by exposure to ethylene oxide vapour or to gamma radiation.
Patent GB-799387-A (GB)
Title: Improvements in and relating to washing apparatus such as for clothes and dishes
IPC: F04B23/02
Filed: 1956-12-19
Abstract: 799,387. Washing machines. GENERAL ELECTRIC CO. Dec. 19, 1956 [Dec. 22, 1955], No. 38755/56. Class 138 (2). [Also in Groups XXIII and XXVIII] The bottom plate 3 of the tub 8 of a conventional dish or clothes washing machine carries a device for dispersing a measured quantity of wetting agent into the tub, comprising a container 25, with vent 26, which is fixed to bottom plate 3 by rubber sealing rings 37 and clamping nut 38, a removable filler cap 27 disposed within the tub, a pump chamber 41 fitted beneath the container 25 and connected to it by a non-return valve 44, a discharge tube 32 extending from the pump chamber 41 to the filler cap 27 and a pump formed of a bimetallic strip 42 at the bottom of the pump chamber. When current is passed through electric heating coil 45, the bimetallic strip 42 takes up the position shown in broken lines and in doing so ejects a predetermined quantity of liquid through pipe 32 and valve 30 into the tub of the machine. The bimetallic strip assumes its normal position on cooling and draws liquid from container 25 into pump chamber 41 through valve 44. The introduction of liquid into the tub is controlled by a cam-operated time cycle control circuit.
Patent GB-930171-A (GB)
Title: Pipe coupling
IPC: F16K15/14
Filed: 1961-10-30
Abstract: 930,171. Pipe couplings. C. RAMSDEN. Oct. 30, 1961, No. 38787/61. Class 99(1). [Also in Group XXIX] A non-return valve is located in a pipe coupling and comprises a plate 12, Fig. 1, having a solid central part 14 and openings 15 and a disc 16 of rubber or like material having a central hole 17. The wall of the disc 16 is bevelled at 18. In another example, Fig. 4, the plate 12 has a central projection or knob 20. Instead of the knob 20 the plate 12 may be dished.
Patent GB-1026166-A (GB)
Title: Improvements in or relating to hydraulic transmissions
IPC: B60K17/10
Filed: 1962-10-16
Abstract: 1,026,166. Hydrostatic transmissions. Y. KUZE. Oct. 16, 1962 [Oct. 17, 1961], No. 39075/62. Heading F2C. A hydrostatic variable-speed transmission and differential comprises a pump P having a variable inclination swash-plate 4 and supplying motors M1, M2 having swash-plates 104, 204 which are displaceable to alternative positions giving forward and reverse drive. The pump cylinder barrel is fast with an input shaft 14 which passes freely through an aperture in the swash-plate 4, and the motor cylinder barrels 127, 227 are fast with output shafts 114, 214 passing freely through the respective swashplates and disposed at right angles to the input shaft 14. A valve plate 23 for the pump is mounted on an eccentric projection 22 of a supply manifold 16 fast with stationary housing 17 for the unit. Ports 25 concentrically disposed about the projection 22 register with the pump cylinders on the intake strokes of their pistons 26, and the cylinders on the discharge strokes of the pistons register with a crescent shaped space 29 formed between the periphery of the plate 23 and an annular member 28 carried by the pump cylinder barrel. Liquid from the space 29 is discharged through passages in the member 28 and through passages 32 and 132, 232 in the housing to passages in members 128, 228 fast with the motor cylinder barrels and thence through the spaces 129, 229 between the members 128, 228 and motor valve plates 123, 223 to the motor cylinders on the working strokes of their pistons. On the discharge strokes of the motor pistons, liquid is discharged through ports in the valve plates 123, 223 to a bore 15 communicating with a bore 21 communicating with the suction side of the pump. A make-up pump p supplies liquid through a port 18 to the suction passage 21. The pressure side of the transmission is open through a port 36 to a valve assembly 39 whence it can be supplied to servomotors controlling the motor swashplates to determine forward and reverse drive and to a servomotor controlling the inclination of the pump swash-plate to determine the transmission ratio. The means for controlling the pump and motor swash-plates is described in Specification 1,021,873, and the pump and motor details are also disclosed in this Specification.
Patent GB-968982-A (GB)
Title: Improved electrostatic precipitator
Inventor: COSBY WILLIAM TREVOR
IPC: B03C3/38
Filed: 1959-11-20
Abstract: 968,982. Electrostatic precipitators. W. C. HOLMES & CO. Ltd. Oct. 27, 1960 [Nov. 20, 1959; April 23, 1960], Nos. 39411/59 and 14339/60. Heading B2J. An electrostatic precipitator has an ionizing screen comprising a grating 10 presenting a plurality of separate and distinct gas passages 12 each containing two filamentary non- radio-active ionizing electrodes 13, one entering from each end. The passages may be circular in section or hexagonal, to form a honeycomb structure, and the electrodes 13 needle shaped. The electrodes 13 may be adjustably supported on the rods 18, or the rods 18 may be adjustably mounted. The ionizing screen may be formed from sheet aluminium and is located in front of a plate-type collecting cell 14. According to the second Provisional Specification there may be provided more than two needle-shaped electrodes for each gas passage, the electrodes entering the passages radially.
Patent GB-995139-A (GB)
Title: Improvements in and relating to trawling otters
IPC: A01K73/04
Filed: 1962-12-19
Abstract: 995,139. Trawl nets. SIR C. D. BURNEY. Dec. 19, 1962, No. 39542/61. Heading A1A. An otter for a trawl net comprises a control vane 22 rotatably mounted on a tubular body 21 and means for controlling the angle of incidence of the control vane in accordance with the direction of the force applied by its towing warp 41. A lug 39 on the control vane is connected by a link 40 to a triangular plate 37 pivoted to the tubular body 21 and the towing warp 41 is also connected to the plate. The control vane comprises three sheet metal sections held fast by end nuts on a rod or tube 24 extending through an aperture in the tubular body. The otter also has a forward vane, Figs. 2, 3 (not shown), formed by two sections meeting at an edge. Each section of the forward vane has an oval aperture. The tubular body projects through the oval aperture in the upper section with the vane at an angle to the axis of the body and the leading edge of the vane is secured to a rod secured to the body and the trailing edge is secured to a metal strip welded to the body. The oval aperture in the lower section may be covered. Strengthening rods extend from the forward vane to the ends of the rod 24 of the control vane. The vanes are disposed in a vertical plane during towing. The lower vane sections may be weighted. a stabilising fin which may be flat or may have a rear section inclined at a small angle is provided on the tail. The nose may be guarded by two curved rods in crossed relationship. Each vane section may be of aerofoil form or a curved or plane sheet. The vanes and body may be packed with a material of low density loaded into the body or vanes in preformed blocks; or the material may be injected in liquid form and caused or allowed to set. Foamed plastics such as rigid polyurethane may be used. Specification 995,128 is referred to.
Patent GB-851237-A (GB)
Title: Maleic anhydride copolymers
IPC: C08F22/04
Filed: 1957-12-20
Abstract: In a process of making copolymers by heating maleic anhydride and an olefinic hydrocarbon containing 2-4 carbon atoms in the presence of a free-radical liberating catalyst, low molecular weight copolymers are obtained by effecting the reaction in the presence of a hydrocarbon monoor polycarboxylic acid which is free from aliphatic unsaturation and has at least one hydrogen atom attached to an alpha-carbon atom.  The olefin may be ethylene, propylene, isobutylene, butene-1, butene-2-cis or butene-2-trans or mixtures thereof.  The catalyst may be of the peroxide- or azo-type.  Reaction is preferably effected in the presence of a solvent for the maleic anhydride e.g. a hydrocarbon and/or a chlorinated hydrocarbon. Reaction temperatures of 40-80 DEG C. and pressures up to 400 p.s.i. may be used.  A batch polymerization process may be used with continuous or intermittent introduction of one of the monomers or the total reaction mixture can be passed through an elongated tube with one or more of the reactants being added at one or more points along its length.  The copolymers may be converted to the free acid form by hydrolysis, or to a metal, ammonium or amine salt or to a partial or complete ester or amide.  The copolymers may be added to thin drilling muds (see Group XXI) or used as dispersants for inorganic pigments (e.g. for clay slips used in the ceramics industry or for clay coatings for paper).
Patent GB-869428-A (GB)
Title: Products intended for use in the manufacture of putty and their preparation
IPC: C09D5/34
Filed: 1957-12-23
Abstract: A putty intermediary is obtained by grinding calcium carbonate with 0.5 to 5% of one or more oily and/or fatty substances. Leicithin and/or linseed oil are specified.  Optional ingredients are mineral oil, suint, olein, wood oil, resin oils and sulphonated fatty alcohols.  Specification 728,698 is referred to.ALSO:An intermediary in the manufacture of putty is obtained by grinding at not lower than 50 DEG C. calcium carbonate with 0,5 to 5,0% of one or more oily and/or fatty substances.  Specified are lecithin and/or linseed oil. A mineral oil, suint, olein, wood oil, resin oils and sulphonated fatty alcohols may also be present.  Specification 728,698 is referred to.
Patent GB-865709-A (GB)
Title: Pyrazole compounds and the preparation thereof
IPC: C07D231/42
Filed: 1957-05-03
Abstract: The invention comprises 3-amino-2-aryl-pyrazoles unsubstituted in the 4- and 5-positions, the corresponding 3-amino-2-aryl-1, 5-dihydro-pyrazoles and acid addition salts thereof, and a process for the preparation of the 3-amino-2-aryl-pyrazoles by intromolecularly condensing N-(b -cyanoethyl)-N1-aryl-hydrazine in the presence of an oxidising agent e.g. hydrogen peroxide, ferric salts such as ferric sulphate or ferric chloride, or a mixture of hydrogen peroxide and ferric salts.  This process may be carried out in one or two steps, in the latter case the condensation is carried out in the presence of an acid as well as the oxidising agent to form an intermediate product which may or may not be isolated, and ring closure is then carried out with an alkaline agent.  The pyrazoles may also be obtained by the hydrolysis and decarboxylation of the corresponding 4-carbethoxy compounds.  The 1, 5-dihydro-pyrazoles may be prepared by the above intramolecular condensation process without the use of the oxidising agent.  Detailed examples are given describing the preparation of 3-amino-2-phenyl-pyrazole and the corresponding 1, 5-dihydropyrazole.  N-Phenyl-N1-(b -cyanoethyl)-hydrazine is prepared by refluxing phenyl hydrazine and acrylonitrile. 2-Phenyl-3-amino-4-carbethoxpyrozole is prepared by reacting ethoxymethylene-cyanacetic acil ethyl ester with phenyl hydrazine.
Patent GB-1142556-A (GB)
Title: A minute, rupturable polymer capsule and a process for the preparation thereof
IPC: C08G18/08
Filed: 1967-09-01
Abstract: 1,142,556. Microcapsules. NATIONAL CASH REGISTER CO. 1 Sept., 1967 [26 Sept., 1966], No. 40132/67. Heading B8C. [Also in Division C3] Microcapsules composed of a polyurethane mantle enclosing an aqueous solution of a chemically basic material are made by an interfacial polymerization technique whereby an aqueous solution of a basic material, e.g. an amine and optionally NaOH or KOH, is dispersed in an agitated water-immiscible liquid e.g. toluene, xylene, ethyl acetate or trichlorodiphenyl, containing, or to which is subsequently added, a diisocyanate-terminated poly(alkylene glycol) and agitation is continued until the droplets of aqueous material are encapsulated by a polymer formed by a polymerization reaction between the diisocyanate and the basic material. The microcapsules may be further treated, e.g. by contacting with a 1% w./w. solution in toluene of 1-hydroxyethyl. 2-heptodecenyl glyoxalidine to prevent agglomeration during drying. Reference has been directed by the Comptroller to Specifications 1,091,076 and 1,950,443.
Patent GB-990355-A (GB)
Title: Improvements in and relating to seals for grease-packed ball and roller bearings
IPC: F16C33/66
Filed: 1963-10-11
Abstract: 990,355. Bearings. H. ZILLER. Oct. 11, 1963 [Oct. 16, 1962], No. 40159/63. Heading F2A. A seal for grease-lubricated ball or roller bearings comprises a sealing ring 5, which projects in non-contacting manner into a space 9 between inner and outer races 1, 2, and an axially adjacent external sealing shield 4 which is firmly connected to the ring 5, both shield 4 and ring 5 being clamped against the axial end-face of one race of the bearing. In an embodiment, a flange 5a, Fig. 1, of the ring 5, and the outer race 2 have a fine clearance 7 therebetween. In modifications, a sealing ring 56, Fig. 2, has a flange 5c which extends at an angle into the space 9 and the space 8 packed with grease so as to form an additional seal.
Patent GB-916448-A (GB)
Title: Mobile slewing jib-cranes
IPC: B66C23/74
Filed: 1960-11-23
Abstract: 916,448. Mobile jib cranes. HERMANN, C. Nov. 23, 1960 [Dec. 24, 1959], No. 40259/60. Class 78 (4). The cab 4 of a jib-crane 18 has its front end pivoted to the chassis 1 of a road vehicle at 5 and its rear end, which overhangs the chassis, supported by wheels 8. As described the wheels 8 comprise two independently-sprung pairs, each pair being pivoted to the cab 4. Alternatively a single pair of wheels or hydraulic jacks may be provided. The crane normally operates with the jib at right-angles to the chassis 1 and the cab 4 carries counterweights.
Patent GB-872821-A (GB)
Title: An improved sampling can
Inventor: WILLIAMS REES PHILIP
IPC: G01N1/10
Filed: 1958-12-17
Abstract: 872,821. Sampling liquids. RAMSDEN & SON Ltd., R. Nov. 16, 1959 [Dec. 17, 1958], No. 40702/58. Class 106(5) A can 1 for taking samples of liquid at a selected level in a bulk supply comprises weighting means 10, a push-fit stopper 19 securable in an opening 3, a flexible coupling 16 for pulling the stopper out of the opening when the can is at the selected level in the supply, and an inverted U-shaped handle 7, 8 which is pivoted to the upper part of the can and is formed at its central portion with a ring 15 serving as a guide for the flexible coupling and a stop to prevent passage of the stopper when the latter has been pulled clear of the opening. The coupling 16 is in the form of a cord attached to a ring 17 connected to the stopper 19, and the ring 15 is arranged to be smaller than the ring 17 and so act as a stop for the stopper. The can is lowered into the supply by a chain 22 and weighting of it is effected by a lead base 10 mounted in a ring 11 soldered to the can.
Patent GB-931245-A (GB)
Title: Speed reduction drive
IPC: F16H1/00
Filed: 1960-11-28
Abstract: 931,245. Toothed gearing. LEAR Inc. Nov. 28, 1960 [Dec. 14, 1959], No. 40743/60. Class 80 (1). In a reduction gear comprising an input shaft 14, wave generators in the form of balls 10, 12 which are adapted to flex a flexible pressure ring 16 on rotation of shaft 14 thereby to force a first set of teeth 24 on the outer periphery of a flexible cylinder member 22 into consecutive engagement with a second set of teeth 30 on the inner surface of a cylindrical chamber 28, the pressure ring 16 is split in order to relieve bearing and bending stresses. The balls 10, 12 are mounted in a guide 18 and may engage the shaft surface and the internal surface of the ring 16 or, alternatively, they may only engage the surface of the ring 16, in which case the guide 18 is secured to the shaft 14. An output shaft 32 is secured to the cylinder 22. The split 20 may be axial or inclined. The difference in the numbers of teeth of gears 24 and 30 is equal to the number of wave generators.
Patent GB-934128-A (GB)
Title: Insulated electrical conductors
IPC: H01B7/36
Filed: 1961-11-15
Abstract: 934,128. Cables. SIEMENS & HALSKE A.G. Nov. 15, 1961 [Nov. 15, 1960], No. 40951/61. Class 36. In order to apply a liquid colouring material to a cable sheath of plastic to which it will not adhere, a suitable covering layer is first applied. The insulation is preferably extruded over the conductors and whilst the insulation is still hot, e.g. at a temperature of 180‹ C. the covering layer is applied to it; the covering layer may be a combination of esters of polymethacrylic acid and polyacrylic acid, which is suitably mixed with a bright and high melting point coumarine resin or chlorinated triphenyl. A better adhesion between the two layers is achieved by adding to the covering layer organic pigment or base dyes. In order to allow spraying or printing of identication symbols on the covering, this is preferably white. The compositions of such covering materials are specified. Specification 878,005 is referred to.