baber/WOPTO huggingface dataset:
Patent GB-2234511-A (GB)
Title: Electrochemical synthesis of organosilicon compounds
Inventor: RENAULD FRANCK ANDRE DANIEL
IPC: C07F7/12
Filed: 1990-07-26
Abstract: A method of making silanes, carbosilanes or polycarbosilanes having at least one silicon-bonded organic group, linked to the silicon atom via a Si-C bond by electroreduction of a compound (I), having a substituent -RX wherein R is a divalent carbon or hydrocarbon compound which may be substituted and X is halogen in the presence of (II), a silane of the general formula R'4-a-bSiXa(RX)b wherein R' is hydrogen, a hydrocarbon group, a group containing H, C and O atoms, S atoms and/or P atoms and groups consisting of C, H and N atoms, a has a value of 1 to 4, b has a value of 0 to 3 and a+b has a value of 2, 3 or 4. Examples of compound (I) include carbohalides, e.g. methyl-, benzyl-, phenyl- and vinyl-halides, silanes, e.g. trimethylchloromethylsilane and siloxanes. Examples of compound (II) include dimethyldichlorosilane, methyltrichlorosilane, methyldichlorosilane and dichlorosilane. Alternatively, the same reagent for compound (I) and compound (II) may be used, e.g. a silane having at least one silicon-bonded halogen atom and one or more groups -RX, e.g. chloromethylchlorosilanes. The products may be linear and/or cyclic compounds.
Patent GB-2244389-A (GB)
Title: Two-piece electrical plug with spool for storing cable
Inventor: HOLLANDER MILTON BERNARD
IPC: H01R13/72
Filed: 1990-08-07
Abstract: A plug comprises a part 12 carrying pins 33, 35 and terminals 36, 38 for wire ends, and a part 14 releasable attached to part 12 and supporting the end of a cable (not shown). The part 14 is formed with a spool 80 on which the cable can be wound for storage. The spool includes a cable clamp. <IMAGE>
Patent GB-2246774-A (GB)
Title: Preparation of enantiomers of 1-(2,6-dimethylphenoxy)-2-aminopropane and N-acyl derivatives thereof
Inventor: PHILLIPS GARETH THOMAS
IPC: C07C231/20
Filed: 1990-08-07
Abstract: A process for the preparation of 1-(2,6-dimethylphenoxy)-2-aminopropane predominantly in the form of the S enantiomer and/or N-acyl-1-(2,6-dimethylphenoxy)-2-aminopropane predominantly in the form of the R enantiomer, which process comprises supplying N-acyl-1-(2,6-dimethylphenoxy)-2-aminopropane to a biocatalyst capable of stereoselectively hydrolysing the N-acyl group of the S enantiomer to 1-(2,6-dimethylphenoxy)-2-aminopropane and recovering the 1-(2,6-dimethylphenoxy-2-aminopropane predominantly in the form of the S enantiomer and/or N-acyl-1-(2,6-dimethylphenoxy)-2-aminopropane predominantly in the form of the R enantiomer. Optionally, the N-acyl-1-(2,6-dimethylphenoxy)-2-aminopropane recovered predominantly in the form of the R enantiomer, may be converted to (R)-1-(2,6-dimethylphenoxy)-2-aminopropane.
Patent GB-2242011-A (GB)
Title: Obturator arrangement
Inventor: BARTOLLES ROLF
IPC: F41A3/74
Filed: 1991-01-10
Abstract: An obturator arrangement for the barrel of a weapon has a base ring 10 with an annular obturator 16 in which an axially orientated limb 16.1 bears within a recess 20 of the base ring and a radically orientated limb 16.2 bears against a breech wedge insert 36. To avoid powder residues accumulating in the recess 20 and settling under the bearing surface of the limb 16.1 the free end 15 of the limb 16.1 is situated a distance a, generally at least 1 mm., from a surface 23 of the recess 20. The rearwardly protruding end 26 of the beading 14 is constructed as a bearing surface for the obturator ring 16, the gap b being reduced to a base clearance of 0.1 - 0.2 mm., and the free end of the limb 18.1 has an oblique surface 17 to repel residues. Any powder residues present in the recess 20 can be blown out by gases flowing at high velocity in the gap b. <IMAGE>
Patent GB-2248317-A (GB)
Title: Controlling a robot having a floating hand
Inventor: SHIMOKOSHI AKIRA
IPC: B25J9/16
Filed: 1991-07-30
Abstract: A robot system for taking out workpieces 22 from a box 21 using a robot having a floating hand 62 and a workpiece recognition apparatus. The workpiece recognition apparatus detects the position and inclination of a selected workpiece, and calculates a target position and a desired inclined posture of the hand. The posture is so decided that the floating plane of the hand is inclined to the horizontal and is parallel to an approach vector of the hand. Data indicating the target position and the desired inclined posture are transmitted to a robot controller of the system, so that the controller drives servomotors of the robot in such a way that the hand moves toward the target position whilst maintaining the desired inclined posture. The hand then contacts the selected workpiece to pick it up. The orientation of the floating plane ensures that the hand does not swing under the influence of gravity. <IMAGE>
Patent GB-2259876-A (GB)
Title: Wood lathe
Inventor: MCCORMACK ALLAN
IPC: B23Q37/00
Filed: 1991-09-28
Abstract: A modular lathe (10) has a headstock base (11), a headstock (12) and a bowl turning attachment (13) which can be located either on the bed (14) or on the other end of the headstock (12). The bed (14) is provided with alignment apertures (40) (dowel holes) so that it can be bolted to the headstock base (11), the tail end of the bed having alignment apertures (40) so that another bed section can be secured to it or the bowl turning attachment (13) thereby increasing bed length. Also provided is a headstock base (11) of different height or a spacer (12) to adjust centre height (H) above the plane (P) of the bed section. <IMAGE>
Patent GB-917649-A (GB)
Abstract: 917,649. Radioactive materials; luminescent materials. MINNESOTA MINING & MANUFACTURING CO. Jan. 30, 1959 [Jan. 30, 1958], No. 3514/59. Drawings to Specification. Classes 39 (1) and 39 (4). [Also in Group XXIII] A small radio-active particle comprises an inorganic refractory carbon-free matrix which is infusible up to a temperature of 1000‹ C., is transmissive of radioactive emanation, and has bound within it a radioactive isotope. The matrix preferably comprises a phosphate of titanium, zirconium, or hafnium. To form the particles, a mixture of oxides is heated at 1100-1500‹ C. to the fluid state and quenched in water to produce a frit which is dropped through a radiant heat zone or a flame to form spheres; the spheres are cooled rapidly and then leached with nitric acid to produce porous, refractory, cation-exchanging particles which are immersed in a solution of a radioactive salt. Radioactive ions are adsorbed by the particles which are then heated to 300-1200‹ C. to seal the radioactive component within the particles. If a temperature of above 700‹ C. is used the matrix devitrifies. A brief treatment with dilute acid is given to remove surface radioactivity. The preferred average diameter of the particles is 10-150 microns. Ingredients of the original melt may be the oxides of titanium, zirconium, hafnium, aluminium, boron, phosphorus, sodium, potassium, calcium, silicon, thorium, or cadmium. Radioactive salts, such as chlorides or nitrates, of Sr 90, Pm 147, Tl 204, Co 60, Zn 65, Ag 110, Fe 59, Na 22, Ca 45, or Cs 134 may be used. It is stated that the Pm 147 contains small quantities of Eu and Nd. The particles provide a source of radioactivity which is convenient to handle and resistant to heat and weathering and exposure to acid and alkali conditions. The particles may be used in a furnace containing molten metal as part of a liquid level indicator and in spark gap equipment to initiate pre-ionisation. They may be mixed with a zinc sulphide phosphor and a solution of ethyl methacrylate polymer in xylene and the mixture coated on to a low-adhesion surface and dried to form a heat-resistant selfluminous sheet useful in signs and markers.
Patent GB-2253753-A (GB)
Title: Switched capacitor to continuous time buffer for dac
Inventor: SOOCH NAVDEEP SINGH
IPC: H03H19/00
Filed: 1992-01-10
Abstract: PURPOSE: To convert a sample data analog signal by a switched capacitor into a continuance analog signal by a D/A converter substantially without increasing distortion. CONSTITUTION: A digital input is converted into an analog value in a sample data area and then inputted to a quaternary switched capacitor/continuance buffer. This buffer has an amplifier 160 which has a switched capacitor 166 connected to its input and a feedback capacitor 174 connected across the switched capacitor 166. The input side of this capacitor 166 is switched between an input sample data voltage and the amplifier output. Consequently, those capacitors 166 and 174 reach substantially equal voltages at low frequencies, so a request for electric charges to the amplifier 160 is not present at charging time. Consequently, this amplifier 166 inputs no distortion when an output signal sampled by the switched capacitor 166 is converted into the continuance input signal of an active filter.
Patent GB-2252202-A (GB)
Title: Semiconducting polycrystalline diamond electronic devices employing an insulating diamond layer
Inventor: DREIFUS DAVID L
IPC: C23C14/06
Filed: 1992-01-28
Abstract: Semiconductor structures e.g. Schottkey diodes and MISFETs made of polycrystalline diamond thin films are fabricated by depositing a polycrystalline diamond film (20) on a substrate (10), a second polycrystalline diamond film (25) which is boron-doped on the first film (20) and an undoped diamond film (30) acting as an insulating layer on the boron-doped film or layer. Ion-implantation can be employed to reduce the ohmic contact resistance which enables the entire structure to be made using a deep implant to form a channel layer and so allows an insulating gate to be formed as an integral part of the device. A buried channel in the layer 25 can be doped through the use of several implantation steps through the insulating undoped layer. As a result, more active polycrystalline diamond devices which have excellent resistance and reverse voltage characteristics can be provided which have increased thermal capacity and increased range of operational environmental conditions when contrasted with the silicon technology. <IMAGE>
Patent GB-2254407-A (GB)
Title: Domestic hot water heating apparatus
Inventor: GLEDHILL HOUGHTON AINSWORTH
IPC: F24D3/08
Filed: 1992-03-04
Abstract: A thermal storage water heating installation comprises a storage tank 110. Heat for a domestic heating system is provided by circulatory water from the store to radiators by means of a circulating pump 144. Heat is supplied to the storage tank from a boiler 12 by circulating water from the tank through the boiler by means of a boiler pump 118. Water at mains pressure and for domestic consumption is heated by the heat stored in the storage tank by heat exchange means external of the storage tank 10; run at a lower temperature than the tank; and in the form of parallel heat exchange units 124, 126 of which one is arranged to have storage tank water pumped therethrough by pump 144 and the other has hot water pumped therethrough by the boiler pump 118, when there is a demand for hot water for domestic consumption. <IMAGE>
Patent GB-2271278-A (GB)
Title: Seat convertible into bed.
Inventor: LOCKWOOD ROBERT HENRY
IPC: A47D11/00
Filed: 1992-06-10
Abstract: A chair or seat convertible into a bed, suitable for an infant or invalid, comprises a curved body-supporting surface between two rigid side members (3, 4), and a bar (2) mounted on arms (5, 6) pivotally mounted on the side members. In the bed form (Fig. 1) the bar acts as a rest for the legs, whereas in the seat form (Fig 3) the bar and its arms are pivoted to form a prop for the re-oriented body-support. <IMAGE>
Patent GB-2269721-A (GB)
Title: A communications device
Inventor: SCHWARTZMAN ZAKMAN
IPC: H04M1/724
Filed: 1992-07-02
Abstract: The communications device 30 is operable in a radio dispatch mode or a telephone interconnect mode. It comprises a handset containing an ear-piece 38 arranged to be operable in at least the telephone interconnect mode and having a relatively low audio power output. The handset further comprises a microphone 42 and a speaker 40. The speaker 40 has a relatively high audio power output and is arranged to be operable in said dispatch mode. Furthermore, the speaker 40 is substantially co-located with the microphone 42. The ear-piece 38 and speaker 40 are located on the same side of the handset and, when in use, are located such as to be positioned adjacent to a user's ear and mouth respectively. <IMAGE>
Patent GB-2266461-A (GB)
Title: Medical electrode
Inventor: SHIMIZU CHUJI
IPC: A61B5/0408
Filed: 1992-09-24
Abstract: A medical electrode comprises an electrode element 103 in the centre of a support member 105 surrounded by an annular skin adhering member 101 which is bonded to the support member 105. The electrode element is connected electrically with an electrolyte 100 which is inserted into an opening 102 of the skin adhering member 101, whereby the side face 100A of the electrolyte 100 is fixed to the side wall 102A of the opening 102 to prevent the electrolyte separating from the electrode during removal from the skin. The electrolyte material may be poured into the opening 102 and hardened in situ. <IMAGE>
Patent GB-2272578-A (GB)
Title: Antenna
Inventor: MCLAREN MARTIN ALLAN
IPC: H01Q13/24
Filed: 1992-11-13
Abstract: An antenna 5, particularly suitable for reception of DBS television signals, comprises a rod 10 and a horn 15, a first end 60 of the rod 10 being rigidly retained at or near a narrow end 61 of the horn 15. End 60 also provides connection means 65 for connecting the antenna 5 to receiving means. A second end 70 of the rod 10 extends outwardly of a wide end 75 of the horn 15 and, in use, is pointed in the direction of the DBS satellite. A focusing element may be provided within the rod at or near the first end thereof. <IMAGE>
Patent GB-2276658-A (GB)
Title: Wireless telephone holder with a belt suspender
Inventor: LIANG CHEN-HSI
IPC: H04B1/38
Filed: 1993-03-31
Abstract: A wireless telephone holder 1 and suspender 2 comprises a holder for the telephone and a suspender to be hung on a trouser belt for attachment of the holder. The holder has a round stud 11 with a flat side 12. The bag suspender has a loop for a belt to pass through a hanging plate 22 attached. The hanging plate has a slotted opening defined with two parallel grooved vertical sides and an enlarged curved bottom recess 223. The sides have shallow and deep grooves 221, 222 respectively. The holder is inverted, the stud entering the slot with its flattened side in the shallow groove 221. On reaching the enlarged recess the holder is rotated 180 DEG  to the correct way up. <IMAGE>
Patent GB-2266967-A (GB)
Title: Rubbing apparatus and rubbing method
Inventor: KODERA YASUTO
IPC: G02F1/141
Filed: 1993-05-11
Abstract: A rubbing apparatus is provided with an even number of, e.g., two, rubbing rollers 201, 202. The two rollers are provided with rubbing cloths wound thereabout and each planted with pile yarn 31 so that the standing directions of the pile yarn 31 of the two rubbing rollers are parallel to the rotating direction of the rollers and mutually opposite to each other. A plurality of substrates each having an alignment control film thereon are successively rubbed by the rubbing rollers while the rotating direction of the rollers is changed for each substrate. As a result, the substrates are provided with a uniform alignment power free from irregularity. At the same time, the inclination of the pile yarn during the rubbing treatment is reversed, whereby the rubbing cloth can be used for an extended period. <IMAGE>
Patent GB-2281215-A (GB)
Title: Metal game racket
Inventor: YOU CHIN-SEN
IPC: A63B49/12
Filed: 1993-08-25
Abstract: Two arcuate portions 14, 16 of a metal game racquet are covered respectively with a first surface treatment layer 22 extending to reach the shaft-handle portions such that the junctions of the arcuate portions are devoid of a seam or a head. The metal game racket comprises a main frame 10 of metal tube and having a circular head frame 12 and two arcuate portions 14, 16 extending posteriorly from two open ends of the head frame to form two shaft-handle portions 18, 20 parallel to each other. The first surface treatment layer has an anterior end and a posterior end, which are preferably covered, along with the surfaces of the arcuate portions, with a bridging layer made of long fiber fabric sheets preimpregnated with a thermosetting resin. In this case the first surface treatment layer is attached securely to the surface of the metal main frame of the metal game racket. The racket may be provided with a crescent shaped jaw frame (36 Fig. 6) and may involve a plurality of surface treatment and bridging layers. <IMAGE>
Patent GB-2275023-A (GB)
Title: Ring binder opening mechanism
Inventor: CHENG HUNG YU
IPC: B42F13/26
Filed: 1991-09-16
Abstract: A ring binder includes a base member 12 supporting a plurality of ring members 14, and an opening mechanism 20 at each end of the base member for opening the plurality of ring members, each opening mechanism including lock means 36, 38 to lock the opening mechanisms in its closed position, the base member comprising a rigid upper structure 24 supporting a pivotable lower structure 30 to which the ring members are mounted, wherein the opening mechanisms are pivotally supported at 33, 35 between the lower structure and the upper structure, externally of the lower structure, and internally of the upper structure. <IMAGE>
Patent GB-2289070-A (GB)
Title: Toilet seat supporting frame
Inventor: KINKAID ROBERT WILLIAM
IPC: A47K17/02
Filed: 1994-05-05
Abstract: A toilet seat supporting frame (1) has a base (5) which provides support for a cantilevered seat mounting (9), the base (5) and mounting (9) being fixedly connectable at a selected one of a plurality of vertical positions, such that the moment provided by the weight of the mounting (9) ensures a positive connection. <IMAGE>
Patent GB-2291164-A (GB)
Title: Parking brake operating mechanism
Inventor: MA THOMAS TSOI-HEI
IPC: B60T7/10
Filed: 1994-05-28
Abstract: A motor vehicle having a floor tunnel 14 and a hand brake operating mechanism 16 mounted on the floor tunnel 14 adjacent the drivers seat 12. The hand brake operating mechanism 16 has a handle 20 slidable along a track secured to the vehicle floor and a linkage 28 connecting the handle to a remotely located lever system 40, 44 for operating the vehicle parking brake. <IMAGE>
Patent GB-2280779-A (GB)
Title: High-temperature rechargeable cell having solid electrolyte separator with projecting lobes in polygonal housing
Inventor: MEINTJES ANTHONY AYTON
IPC: H01M2/18
Filed: 1994-08-02
Abstract: In a high temperature rechargeable electrochemical cell (10) has a housing (10) containing an anode (38) and a cathode (34), and divided by a sodium ion-conducting solid electrolyte separator (16), into an anode compartment and a cathode compartment, containing respectively molten sodium active anode material and active cathode material, the separator is tubular, having a closed end and an open end, and a plurality of circumferentially spaced radially outwardly projecting ribs or lobes (46), the housing is a tubular canister which is polygonal in cross-section, so that it has a plurality of circumferentially spaced corners (14) corresponding in number to the number of lobes (46) of the separator (16), and the separator is concentrically located in the housing (12), each lobe (46) of the separator (16) being circumferentially aligned with, and projecting radially from the separator towards, one of said corners (14). <IMAGE>
Patent GB-2282338-A (GB)
Title: Binder for magnetic recording media
Inventor: BRODT GREGOR
IPC: C08G18/10
Filed: 1994-09-22
Abstract: A magnetic recording medium comprises a nonmagnetic substrate and at least one magnetizable layer firmly applied thereon and based on a magnetic material dispersed in a binder mixture which contains at least one hydroxyl-containing, preferably low molecular weight, polyureaurethane and at least one polyurethane-urea (meth)acrylate. The polyurethane-urea (meth)acrylate is obtained by reacting a poly(meth)acrylate having up to 2 terminal OH groups per mol and a molecular weight of from 200 to 50,000 with a mixture of aliphatic polyisocyanates having an average functionality of from 3.0 to 6.0 NCO groups per mol. The mixture comprises  from 0.1 to 10% by weight of a diisocyante,  from 30 to 80% by weight of a triisocyanate, and from 20 to 60% by weight of an isocyanate having a functionality of from 4 to 10. From 1.2 to 3.0 NCO groups react per OH group and the remaining NCO groups are converted into substituted terminal urea groups with a polyfunctional amine or with a mixture of two or more different polyfunctional amines.
Patent GB-2282088-A (GB)
Title: A cyclone separator
Inventor: LARSSON KARL-ERIK
IPC: B04C5/081
Filed: 1993-06-29
Abstract: The present invention relates to a cyclone separator for separating substances from a fibre-liquid-suspension, particularly a paper clip suspension. The separator includes a main part (3) which has an inner, conical chamber (4) which is provided with an essentially tangentially directed inlet at the wider end (5) of the chamber. The chamber (3) tapers conically downwards and the inner surface of the chamber has a screw-like configuration. This screw-like configuration includes a first upper surface or flank (1) and a second lower surface or flank (2), wherein the flank (1) that faces towards the wider end of the chamber defines an angle  alpha  with the chamber centre line and the second flank (2) which faces towards the narrower end (6) of the chamber defines an angle  tau  with the first flank (1). The second flank (2) and its extension form together with the first flank (1) of the nearest underlying helix of the screw-like configuration a triangle which has a line that extends through the apex of the nearest underlying part of the helix or helical screw-thread and which extends parallel with the chamber centre line.   <IMAGE>
Patent GB-2296352-A (GB)
Title: Microprocessor for executing multiplexed streams of instructions
Inventor: KRUECKEN JOACHIM
IPC: G06F9/38
Filed: 1994-12-22
Abstract: A microprocessor includes an ALU (1) coupled to receive instructions from a memory latch and decoding unit (3) and data from a data memory (2). Two (or more) program counters (6 and 7) are coupled to the program memory (5) via a switching unit (8) controlled by a clock signal (9) such that instructions are multiplexed at the memory latch and decoding unit (3), so that instructions relating to two (or more) separate program flows are executed, in turn, by the ALU (1) and separate functions can thus run quasi-simultaneously. <IMAGE>
Patent GB-2286665-A (GB)
Title: Dust extraction arrangement
Inventor: TANNER NICHOLAS JAMES
IPC: A47L9/10
Filed: 1995-01-25
Abstract: Power tools such as belt sanders 14, 16, 18 and bench grinders have been provided with a dust extraction arrangement comprising a fan 22 which draws particle-laden air through inlet ducting 28, 30, 32 from the tool into a container 26 disposed within a cabinet 10 and withdraws clean air through a filter 36 from the container 26 to an outlet 42 in the cabinet 10. The container has been provided with a removable tray or drawer for emptying the collected particles. In the improved arrangement, container 26 and filter 36 are slideably removeable as a unit through an openable aperture in cabinet 10 normally sealed closed by a plate 44, to enable container 26 to be emptied of collected particles by removing a closure member 50 from container 26 at a safe location remote from the arrangement, and also to facilitate periodical replacement of filter 36. The filter 36 is shakeable by means of a handle 40 on a rod 36 which projects from cabinet 10. <IMAGE>