baber/WOPTO huggingface dataset:
Patent GB-1053165-A (GB)
Abstract: 1,053,165. Control of A.C. motors. ALLMANNA SVENSKA ELEKTRISKA A.B. April 17, 1964 [April 24. 1963]. No. 15933/64. Heading H2J. The rotor winding 2 of an asynchronous motor is connected through diodes 3 to D.C. bus-bars 4, 5 and, when stator winding I is energized, thyristor 8 is rendered conductive to connect resistors 6, 7 into the rotor circuit. An auxiliary motor has field winding 11 and rotor winding 12, the two rotors being coupled mechanically. The field winding is fed through diodes 13 and variable resistor 14. The phase windings R, S, T, are connected to the bus-bars 4, 5, and auxiliary bars 20, 21, 22, through an inverter arrangement comprising thyristors and capacitors, each thyristor being supplied with a control voltage whose frequency is equal to that of the voltage induced in the phase winding connected to the thyristor. When the machine 11, 12 takes current and operates as a motor, the voltage-drop developed across resistor 29 causes thyristor 30 to conduct to disconnect the resistors 6,7. At high speeds, the induced volt. age across winding 12 is greater than that across winding 2, the voltage-drop developed across resistor 33 causing thyristor 34 to conduct and connect resistors 6, 7 into the rotor circuit. The machine 11, 12 functions as a brake and the machine 1, 2 is idle. In another arrangement, the stator windings of both machines are of the poly-phase type, the rotor windings being connected to the D.C. bus-bars through inverters. The stator windings are connected in series, and the stator winding of the auxiliary machine is shunted by a variable impedance. The rotating fields generated by the stators have opposite directions, Fig. 2 (not shown). Regenerative braking is provided by this arrangement.
Patent GB-1053266-A (GB)
IPC: F01L13/08
Abstract: 1, 053, 266. Decompression devices. MOTORENFABRIK HATZ G. m. b. H. Sept. 7, 1965 [Sept. 16, 1964], No.38081/65.. Heading F1K. The invention relates to decompression devices for internal-combustion engines of the kind comprising a rotatable decompression element 7 which is capable of being disposed for engagement with a member 6b of or associated with the exhaust valve gear in such a manner as to produce a condition of decompression and is arranged to be turned in the direction necessary to terminate decompression by means 8 coupled to the decompression element and adapted to be automatically operated by an operating member 12 actuated from a movable member of the valve gear. According to the invention all the constructional parts of the device are mounted within a common carrier 9 which is adapted to be secured on a part of the engine surrounding the exhaust valve gear in such a way that when the carrier is mounted on the engine the operating member comes automatically into co-operative relationship with the part of the exhaust valve gear by which it is operated. As shown the carrier 9 is in the form of an exterior cover which closes a part of the cylinder head 1 which houses the exhaust valve gear. The plunger 11 may be associated with the rocker 6 or its operating rod 5.
Patent GB-1053598-A (GB)
IPC: G21C7/04
Abstract: 1,053,598. Uranium tetraboride. REACTOR CENTRUM NEDERLAND (STICHTING). Aug. 17, 1965 [Aug. 28, 1964], No. 35266/65. Heading C1A. [Also in Division G6] Uranium tetraboride, for use as a burnable neutron poison in nuclear fuel (see Division G6), is made by compressing a mixture of UO 2  and boron into a block and heating inductively in argon in a graphite container to a temperature of about 2400‹ C. when drops of liquid UB 4  fall to the bottom of the container and solidify.
Patent GB-1053736-A (GB)
IPC: G21F7/06
Abstract: 1,053,736. Handling radio-active liquids. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Jan. 6, 1964 [Oct. 5, 1962], No. 37848/62. Heading B4Q. Apparatus for the remote processing of liquids, in particular, radio-active liquids comprises a container 25 having on its front face a window 35 through which light from a lamp 36 passes to illuminate the interior. The front of the container is secured to the rear face of a shielding wall 33, Fig. 3, having a window 34 opposite part of the window 35, the various remote controls for the parts of the apparatus within the container 25 passing through the wall 33 from its front face into the container. The parts of the apparatus within the container comprise a rotatable shaft 1 having fixed therein a central sleeve 3 and supporting for relative rotational movement lower and upper sleeves 2, 4. Sleeve 2 has a number of slots 8 for adjustably receiving support arms 9. These arms may have platforms 9A supporting beakers 5. Sleeve 3 has slots 12 adjustably receiving support arms 9, these arms supporting condensers 6. Sleeve 4 supports a number of axially movable pipettes 7. The sleeves 2, 3, 4 are individually rotatable by driving bands 52, 59, 67 manually driven by knobs (not shown) on the front of the wall 33, these knobs rotating spindles which are coupled via gearing and further bands to rotate pulleys engaging the bands 52, 59, 67. Thus desired pipettes, condensers and beakers may be axially aligned with one another for co-operating in a processing operation, the sleeves being retained by clickstop means. A desired pipette 7 may be axially lowered to engage a beaker 5 by rotating the sleeve 4 to a certain position in which an axially movable support (Fig. 2A, not shown) for the pipette co-operates with a manually operable lifting and lowering mechanism including driving bands 37, 31, 26, this mechanism being operated by a further knob on the front of the wall 33. A remotely operated compressed air jack 10 may raise a support 9 to cause cooperation between a beaker 5 and a condenser. Interlock means are provided to prevent rotation of the sleeves 2, 3, 4 when the parts 5, 6, 7 are in engagement with one another.
Patent GB-1084223-A (GB)
IPC: B66C13/18
Abstract: 1,084,223. Mobile cranes. ANTONIO VALLA &c.-S.p.A. Sept. 16, 1964, No. 37885/64 Heading B8H. A mobile crane comprises a jib pivoted at 8 to a frame 1 which is supported at one end by wheels 5 and at the other end by a tractor unit 19 adapted to rotate through 360 degrees about a vertical axis relative to the frame 1. The jib comprises a section 7, adapted to be luffed by an hydraulic ram 10 and pivotally supporting at 15 a telescopic section 13, 14, which is extended and retracted by an hydraulic ram 17. The tractor unit is mounted on a single driving wheel 20 and is rotatable about the vertical axis by means of a steering wheel 24.
Patent GB-1225470-A (GB)
IPC: G21C3/336
Filed: 1970-02-23
Abstract: 1,225,470. Fuel elements. ATOMIC ENERGY OF CANADA Ltd. 23 Feb., 1970 [27 March, 1969], No. 8546/70. Heading G6C. A nuclear reactor fuel assembly comprises parallel fuel elements 2 spaced apart by lugs 4, each of which extends between two adjacent fuel elements only and is secured directly to the claddings of those elements at a point intermediate their ends, the arrangement being such that relative movement is prevented between adjacent elements at the point where their claddings are joined by a lug 4. The ends of the fuel elements 2 are secured to end plates 4a, 5 having openings through which the coolant flows. Wear pads 14, 15 are provided at opposite ends of the exposed side of each outer fuel element 2 of the assembly, serving to prevent damage when the assembly is moved into and out of a fuel channel and to locate the assembly centrally in the fuel channel. The fuel elements 2 comprises U0 2  pellets sealed within a Zr-alloy, stainless steel or Ni-Cr alloy cladding. Spacer lugs similar to the intermediate lugs 4 may be used at one or both of the ends of the fuel elements 2, at which end or ends an end plate will not then be necessary. Each lug is of the same alloy as the fuel element claddings to which it is brazed or welded. The lugs are elongated in the lengthwise direction of the fuel elements and are rounded at the ends to reduce turbulence in the coolant flow.
Patent GB-1227515-A (GB)
IPC: H01J47/10
Filed: 1969-02-12
Abstract: 1,227,515. Discharge tubes. COMMISSARIAT A L'ENERGIE ATOMIQUE. 12 Feb., 1969 [26 Feb., 1968], No. 7486/69. Addition to 1,089,018. Heading H1D. A spark chamber detector as described in the parent Specification comprising a cathode 2, anode 6 and intermediate wide-meshed grid electrode 4, has a filling of xenon and diethylamine. The sum of the partial pressures of the gases is about 760 torr., the partial pressure of diethylamine being preferably from 8 to 50 torr.
Patent GB-1229484-A (GB)
IPC: C08L75/00
Filed: 1968-04-04
Abstract: 1,229,484. Poly - (carbonate - carbamates). PPG INDUSTRIES Inc. 4 April, 1968 [5 April, 1967], No. 16214/68. Heading C3R. Random or block polycarbonate-carbamates contain residues of (A) an alkylidene bisphenol, (B) carbonic acid, and (C) an N,N<SP>1</SP>-dialkylamino diphenyl sulphone. Residues of other dihydric phenols or dihydric alcohols (including unsaturated dihydric alcohols) and also other diamines may also be present. Comprehensive lists of preferred reactants are given. In Examples (I) and (II) phosgene is passed into a mixture of sodium dithionite, phenol, bisphenol A and methylene chloride. A slurry of N,N<SP>1</SP> - dimethyl - 4,41 - diaminodiphenylsulphone in methylene chloride is added followed by NaOH and triethylamine. The polymer is isolated from the organic layer.
Patent GB-1229957-A (GB)
IPC: H03F3/387
Filed: 1968-06-14
Abstract: 1,229,957. Digital data repeaters. INTERNATIONAL COMPUTERS Ltd. 16 June, 1969 [14 June, 1968], No. 28446/68. Heading H3T. A digital data repeater comprises a plurality of gates 10, 11 including the transformers, a pulse supply P1, P2 to each gate such that a pulse is always present at one gate at least, means responsive to the digital data to render the transformer non-transmissive by reduction of the mutual conductance and means 15 responsive to the output of the gates to reproduce the digital data. As shown, when the data at 14 is positive, transistor TR3 conducts, shorting the tertiary windings of the transformers and thus preventing transmission of the pulses. When the data is such that TR3 is non-conductive the pulses are transmitted through a diode gate D1, D2 to the output transistor and as one or other pulse is always present a D.C. signal representative of the data signal is produced.
Patent GB-1233127-A (GB)
IPC: C12P7/18
Filed: 1969-08-15
Abstract: 1,233,127. Penitols. GODO SHUSEI K.K. 15 Aug., 1969 [4 March, 1969], No. 40909/69. Heading C2C. Pentitols are obtained by cultivating a strain of Corynebacterium capable of assimilating gluconic acid more rapidly than it assimilates sugars and requiring thiamine for its growth, in a culture medium containing glyconic acid or a derivative thereof as carbon source, a nitrogen source, potassium dihydrogen phosphate or magnesium sulphate and thiamine or a thiamine source, and in the presence of a pentose. The examples describe the preparation of L-aribitol from L-aribinose, ribitol from D-ribose and xylitol from D-xylose.
Patent GB-1234439-A (GB)
IPC: G11B15/14
Filed: 1968-10-14
Abstract: 1,234,439. Recording television signals. INTERNATIONAL BUSINESS MACHINES CORP. 14 Oct., 1968 [13 Nov., 1967], No. 48597/68. Heading G5R. In a switching system for connecting any one of a plurality of input lines to a plurality of output lines, the output lines include dividers. Any one of a number of sources, e.g. 11, 21, may be connected to any one of a number of recording channels, e.g. 1, n by applying a channel select signal, e.g. from 15 and a timing signal, e.g. from 14 to an appropriate gate, e.g. 13. The timing signal is initiated by a signal from recording disc 60 and opens the gate for a period of time equal to one revolution of the disc. The sources provide video signals which are frequency modulated into a carrier of 2f, and the modulated signal is subsequently divided by two, e.g. at 42, so that any signal at 2f picked up on the disc does not cause interference.
Patent GB-1238181-A (GB)
IPC: E21C37/04
Filed: 1968-02-24
Abstract: 1,238,181. Breaking-down appliances. WM. PARK & CO. FORGEMASTERS Ltd. 3 Jan., 1969 [24 Feb., 1968], No. 9067/68. Heading E1F. A device for breaking material, e.g. coal, rock or ore, comprises a sleeve 12 which is insertable into a hole h in the material, a bar 10 slidably disposed in the sleeve and having a conical end 11 which engages a correspondingly tapered, split part of the sleeve whereby movement of the rod relative to the sleeve expands the latter to anchor the device, and means for driving a wedge 14 into the hole between a wall of the latter and the sleeve 12. The bar 10 is attached to a hydraulically operated piston 16 disposed in a cylinder 15 which has a pivoted catch 19 for engaging a lug 13 on the sleeve. In operation a part 20 on the cylinder 15 engages the sleeve 12 while the piston 16 is moved to anchor the sleeve in the hole, the cylinder is then moved away from the sleeve and the wedge 14, which embraces an arcuate part of the sleeve, is inserted. The cylinder is then moved to force the wedge into the hole, and finally the catch 19 is engaged with the lug 13 and the piston and bar moved to permit withdrawal of the sleeve from the hole. The bar 10 may be in two parts to suit holes of different depths. The device may be powered by explosive means instead of hydraulically.
Patent GB-1238402-A (GB)
IPC: H05B6/76
Filed: 1969-04-16
Abstract: 1,238,402. Retractive switches. DYSONA INDUSTRIES Ltd. 7 April, 1970 [16 April, 1969], No. 19436/69. Heading H1N. [Also in Division H5] A microwave oven, with a door-operated switch 16 controlling the supply of micro-wave energy to the oven interior, has a pivoted door 10 with a handle 13 movable relative thereto to operate the switch 16 prior to the door commencing to open. After sufficient movement to open the switch, the handle 13 abuts a stop surface 17 on the door, and thereafter any pull applied to the handle is transmitted to the door and overcomes the opposition of the catch. A roller catch 20, 21, Figs. 3, 4 (not shown), is fitted at each side of the door, or the catch comprises a cam which clamps the door and is released during the movement of the handle relative to the door during its switch opening movement. A gasket 22 of graphite-loaded plastics with a microwave choke 23 of plastics material is located between the door 10 and the co-operating oven surface 9.
Patent GB-1238630-A (GB)
IPC: F16D65/12
Filed: 1970-03-12
Abstract: 1,238,630. Disc brakes with axially-slidable discs. CENTRE DE RECHERCHES DE PONT-A-MOUSSON. 12 March, 1970 [4 April, 1969], No. 12007/70. Heading F2E. An annular member 2, secured to a vehicle wheel to be braked, has accommodated within it an open-centred disc 1 keyed to it by projections 3 co-operating with notches 4. The cooperating lateral faces 3a, 4a, lie in radial axial planes containing the axis X-X of the disc. The disc 1 is axially slidable (see Fig. 1), and during braking a pad 12 secured to the rod of a piston 13 is moved, and moves the disc 1 with it against a fixed pad 11. The yoke 6, 7, is fixed to stationary axle 8 at 9. The disc 1 is resiliently centred relative to the axis of rotation of annular member 2 by spring strips 5, one for each projection=notch assembly; strip is secured at its ends to member 2 and its centre bears on projection 3. Preferably, the strip is wider than the thickness of the disc 1, as shown. In Fig. 5 (not shown), two strips, instead of one, are provided, each secured by one end and bearing, cantilever fashion, by its other end on projection 3, the free ends facing each other (in effect, the strip of Fig. 2 with its centre removed). In Fig. 6 (not shown) the recess is in disc 1 and the projection is in annular member 2 ; a single strip is located between the facing arcuate portions and is screwed at its centre to the member 2, its ends resiliently pressing down on to disc 1.
Patent GB-1250319-A (GB)
IPC: B29C49/06
Filed: 1968-10-11
Abstract: 1,250,319. Injection-blow-moulding. DANCOMTECH A.S. 11 Oct., 1968 [13 Oct., 1967], No. 48282/68. Heading B5A. An injection-blow-moulding apparatus comprises two sets of injection cores 18 each set mounted on one of two bars 19, 20 to depend vertically therefrom; the bars are both mounted at each end on a pair of chains 22, 23 by which the cores may be moved between a lower position between blow mould halves 9, 10 and an upper position between injection mould halves 7, 8 both injection- and blow-moulds being mounted on plates 1, 2. The plates are driven by means of alternately reciprocating cylinders 39, 40 through chain 38, sprocket wheel 37 and via a one-way clutch to spindle (36, Fig. 2, not shown), bevel gears 35, 34, sprocket wheels 32 and 30, 31 and 24-27 between movements of mould halves. The mould halves are guided by means of blocks 41, 42 on the plates 1, 2 and having recesses (43, Fig. 4, not shown) to engage bar 19 at the injection position and sprung guides 45, 46 at the blow position. Blow mould bottom part 11 is moved vertically to co-operate with halves 9, 10 by means of roller 14 on arm 15 engaging surface (16, Fig. 4, not shown) mounted on plate 1 as they close. Air is supplied through a duct in guide 46, and ducts (51, 52) in core 18, the tip (53) of which is opened by air pressure against spring (54). A stripper (56) removes the articles from core 18 after mould opening on movement upwardly to the injection position.
Patent GB-1250479-A (GB)
IPC: C08J9/36
Filed: 1968-02-29
Abstract: 1,250,479. Sound absorbing material. DUNLOP HOLDINGS Ltd. and T. H. MELLING. 27 Feb., 1969 [29 Feb., 1968], No. 9910/68. Heading B2E. A sound absorbing material is made by spraying a solution or suspension of an elastomer in a volatile organic liquid onto a flexible polyurethane foam to form a discontinous coating on the surface and causing or allowing the coated surface to dry so as to form a micro porous film in the form of web strands. The polyurethane substrate may be made from a reaction mixture comprising two trials having average MWs of 3000 and 1000 and only 75-90% of the stoichiometric amount of toluene diisocyanate in order to obtain a soft foam with a high hysteresis loss. Fire retardants may be incorporated in the substrate. The microporous elastomeric film may be of polyurethane or natural or synthetic rubbers and may contain fillers and pigments as well as vinyl polymers and copolymers, e.g. PVC to modify the softness of the film. The film may have a porosity of at least 50%, be less than 0.00 inch thick and have a pore size of less than 0.001 inch and an acoustical resistance of 4-4000 Rays c.g.s. units.
Patent GB-1252035-A (GB)
IPC: B29C49/42
Filed: 1969-08-05
Abstract: 1,252,035. Extrusion blow-moulding. CONDUCO A.G. 5 Aug., 1969 [5 Aug., 1968], No. 39257/69. Heading B5A. In an extrusion-blow moulding process, the neck portion of the article is formed by compression by the blow/calibrating mandrel and the parison is clamped outside the mould before mould closure so that the section between the mould and the clamped part is expanded. The parison 10 is clamped by gripper flaps 6a, 6b, mounted on the mould parts 1a, 1b, and, on further mould closure, clamp the parison so that a central aperture 8 remains as in Fig. 2. The parison 10 is severed by knife 9. On introduction of the blow/calibrating mandrel 12, the gripper flaps 6a, 6b swing downwardly and portion 14 of the parison between the mould and the clamped part is expanded, Fig. 4. This expansion may be assisted by air supplied through the mandrel 12. The annular front surface 17 of severing sleeve 16 of the mandrel 12 then severs excess material from the blown article against the mould surface on completion of the mandrel stroke. The gripper flaps may be operated on mould closure by cam and lever means (47-52, Fig. 10a, 10b, not shown) and may be vertically reciprocable to allow earlier extrusion of the subsequent parison. The parison (68, Figs. 11-14, not shown) may be steadied by device (90) operable by control element (96) and lever (90) independently of or due to mould closure. The mould assembly may be transferred laterally to a blowing station from the extrusion station.
Patent GB-1252739-A (GB)
IPC: F04B43/073
Filed: 1968-01-19
Abstract: 1,252,739. Dispensing beer. PORTER LANCASTRIAN Ltd. Nov.29, 1968 [Jan. 19, 1968], No.2966/68. Heading A4T. [Also in Division F1] A diaphram pump 10 has a delivery side 12 charged with beverage such as beer and a propulsion side 15 to which primary pressure air is supplied at 16 via a control valve 17 which has a movable member or spool 9. With the side 12 full of beverage the spool 9 is in a charging position (dotted line position in Fig. 1); secondary air which is allowed to enter by pressing a push button valve passes a tubulence amplifier 23, moves the spool 9 to the full line position and primary air is supplied to the pump via a venturi nozzle 19 until the discharge of beer is complete. On cessation of flow pressure is allowed to rise to line pressure in the throat of the venturi 19 and hence the pressure applied to the top of spool 9 rises, and the spool is moved down to a charging position hence terminating the supply of primary air. The propulsion side 15 is simultaneously placed in communication with the amplifier 23 in the supply of the secondary air which is cut off if such supply is still present.
Patent GB-1257332-A (GB)
IPC: C07D211/82
Filed: 1968-04-16
Abstract: 1,257,332. Bipyridylium salts and related compounds. IMPERIAL CHEMICAL INDUSTRIES Ltd. 21 March, 1969 [16 April, 1968], No. 17893/68. Heading C2C. 1,1<SP>1</SP> - Disubstituted - 1,1<SP>1</SP> - dihydro - 4,4<SP>1</SP>- bipyridyls are produced by treating 1, 1<SP>1</SP>-disubstituted - 1,1<SP>1</SP>,4,4<SP>1</SP> - tetrahydro - 4,4<SP>1</SP> - bipyridyl with a dehydrogenating agent which is a metal or a metal oxide. The reaction is preferably carried out in an inert solvent and under an atmosphere of nitrogen. The preferred dehydrogenating agents are platinum metals. The bipyridyls obtained by the process can be subsequently oxidized to the corresponding 1,1<SP>1</SP>- disubstituted-4,4<SP>1</SP>-bipyridilium salts with, e.g., oxygen or a compound having a redox potential more positive than 0.5 volts.
Patent GB-1264782-A (GB)
IPC: C02F1/52
Filed: 1967-12-19
Abstract: 1,264,782. Clarifying liquids. S. F. W. CRUNDALL, A. R. CRUNDALL, and M. L. CRUNDALL. 18 March, 1969 [19 Dec., 1967], No. 57516/67. Heading B1D. [Also in Division C1] Liquids containing suspended solids are clarified by upward passage through a bed of buoyant particles or fibres 12 which induce flocculation of the solids. The particles may be plastics spheres, wooden marbles, plastics beads, pumice, granulated cork, granulated polyurethane foam, pre-expanded polystyrene or low density composites made from compressed fuel ash. The fibres may be of synthetic or natural materials. A metal mesh 10 retains the particles or fibres which may be periodically cleared by back-washing with air and water wedge-wire, screen 8 retaining the particles at this time.
Patent GB-1288524-A (GB)
IPC: G11B23/04
Filed: 1971-03-24
Abstract: 1288524 Cleaning transducers SUMLOCK ANITA ELECTRONICS Ltd 24 March 1971 7740/71 Heading G5R A casing 1, having tubing 15, 16, 19 connecting an inlet port 11 and two outlet ports 17, 18, is so designed that it will fit into a cassette-type tape recorder, and with the outlet ports adjacent the transducers of the recorder ; a cleaning spray from an aerosol 8 may then be directed on to the transducers.