baber/WOPTO huggingface dataset:
Patent GB-1446050-A (GB)
Title: Method of cleaning soiled surfaces
IPC: D06N7/06
Filed: 1973-11-16
Abstract: 1446050 Cleaning cloths and pads JAPAN LATEX COMPOUNDING CO and H IINO 16 Nov 1973 [16 Nov 1972] 53416/73 Heading A4F [Also in Division D1] A soiled surface is cleaned by rubbing it in the presence of water with a fibrous cleaning material comprising a fibrous carrier impregnated with (1) a mixture of latex of at least one rubber selected from natural rubber, butadiene or styrene-butadiene, and (2) at least one polar high molecular weight material selected from polyvinyl acetate, vinyl acetate-ethylene copolymer, acrylonitrile-butadiene copolymer, polychloroprene, and acrylic resin, the carrier being thereafter dried so it retains the rubber and polar high molecular weight material. The carrier may be of non-woven, woven or knitted fabric, a wad of fibres, or paper, and the fibres thereof may be vegetable, e.g. cotton or hemp, animal, e.g. wool or silk, or man-made, e.g. viscose rayon, cellulose ester or acetate, polyamide, polyvinyl alcohol or chloride, polyester or polyacrylonitrile. The impregnating mixture may also contain, or the fibrous carrier be further impregnated with (a) an anionic or non-ionic surface active agent, e.g. an alkylallyl sulphonate or polyoxyethylene sorbitan alkyl ester, and/or (b) a wetting agent e.g. polyethylene oxide, polyvinyl alcohol, carboxymethyl cellulose, or sodium alginate or polyacrylate, and/or (c) a water-soluble and non- volatile solvent for oily dirt, e.g. polyethylene glycol, glycerine, or dimethyl sulphonide and/or (d) silicone oil emulsion.
Patent GB-1287662-A (GB)
Title: Improvement in method for treating glass in a molten salt
IPC: C03C21/00
Filed: 1970-11-12
Abstract: 1287662 Chemical strengthening of glass CORNING GLASS WORKS 12 Nov 1970 [19 Nov 1969] 53874/70 Heading C1M In the strengthening of an alkali metal silicate glass by ion exchange by immersion in a bath of a molten alkali metal salt of different ionic radius, contamination of the bath with calcium ions is minimized by passing water vapour through the bath to react with the calcium ions, this being effective when the contamination is less than 1% by weight. An inert gas such as nitrogen (preferred), helium or argon is used as a carrier for the water vapour. The glasses used are preferably those disclosed in Specification 966,733. The ion exchange may be with smaller ions replacing larger, but preferably the more usual larger replacing smaller ions is used, and particularly the use of KNO 3  for replacing Na with K. A number of examples are given, with Ca(NO 3 ) 2  added to KNO 3  in varying percentages to simulate impure KNO 3  or Ca<SP>2+</SP> ions leached out of the glass.
Patent GB-1245746-A (GB)
Title: Improvements in or relating to bonding of elastomeric materials
Inventor: GARDNER JOHN CHRISTOPHER
IPC: C09J151/04
Filed: 1967-11-28
Abstract: 1,245,746. Polyvinyl chloride - rubber laminates. J. H. FENNER & CO. Ltd. 21 Nov., 1968 [28 Nov., 1967], No. 53995/67. Heading B5N. [Also in Division C3] A surface of polyvinyl chloride is bonded to a surface of natural rubber or of a sulphur modified chloroprene elastomer by copolymerizing polybutadiene, methyl methacrylate and acrylonitrile in solution, applying the resultant solution to at least one of the surfaces to be bonded and thereafter contacting the surfaces. In the example, a polyvinyl chloride surface is painted with the said solution, contacted with an uncured natural rubber surface and heated in a press.
Patent GB-1214132-A (GB)
Title: Improved door-closer mechanism
Inventor: MARR ERIC ROBERT
IPC: E05F3/10
Filed: 1966-11-21
Abstract: 1,214,132. Door closing mechanism. BRENT METAL WORKS Ltd. 20 Feb., 1968 [21 Nov., 1966], No. 54190/69. Divided out of 1,214,131. Heading E2M. A closing mechanism for a double-swing door has a helically coiled spring 12 with its longitudinal axis parallel to and disposed midway between the slide bars 6, 7. These bars have toothed racks 6a and 7a respectively between which fits a toothed pinion 9 secured to a spindle 8. Each bar supports two lugs 10 and 11 which are at such a distance apart as to keep the spring 12 slightly compressed in the rest position shown i.e. when the door is closed. When the door is opened the bars 6 and 7 move in opposite directions as they rotate about spindle 8 and pinion 9 and the spring is compressed by one of each pair of lugs 10 and 11 thus increasing its stored energy. A hydraulic damper device is employed to control the rate at which the spring means returns the door to its closed position. The mechanism is secured to or embedded in the door and contained between two planes defined by the front and rear surfaces of the door rail.
Patent GB-1483405-A (GB)
Title: Acoustic storage device for high-frequency electrical signals
IPC: H01L41/00
Filed: 1974-12-17
Abstract: 1483405 Electro-acoustic storage devices THOMSON-CSF 17 Dec 1974 [18 Dec 1973] 54558/74 Heading H3U In a storage device for electrical signals, each of a plurality of storage units comprises a capacitor having electrodes 2, 10 and a serially connected diode having electrodes 10, 5, and the storage and reading-out of signals is effected by an electro-acoustic surface wave device comprising a transducer 7 or a piezoelectric substrate 40. In a first embodiment, Fig. 2, the piezoelectric substrate 40 constitutes the dielectric for all the capacitors and an n-doped semi-conductive substrate 3 constitutes the diodes, although it is envisaged that the diodes need not have a common substrate. A signal to be stored is fed to transducer 7, and when the surface wave generated thereby has reached the diodes that common electrode 5 is negatively biased by a pulse of short duration compared to the signal periodicity; each diode is thus charged to a voltage proportional to the sum of the pulse voltage and the potential due to the surface wave at the adjacent part of substrate 40 at the time of the pulse. When read-out is required a pulse of opposite polarity to and higher amplitude than the first is applied which causes the diodes to pass a reverse avalanche current which discharges the capacitors and induces surface waves in substrate 40. An output may be obtained at transducer 8 or at input transducer 7; in the latter case the original signal is time-reversed. The surface wave path on substrate 40 is spaced from substrate 3 to avoid attenuation of the waves. In a modification the electrodes 10 are of arbitrary shape, e.g. circular, and may be distributed randomly over substrate 3 (Fig. 6, not shown). In a second embodiment, Fig. 3, the capacitor dielectric 14 is separate from piezoelectric substrate 40, the electrodes 10 being coupled to the surface wave path by conductive bands 12.
Patent GB-1161438-A (GB)
Title: Specimen Cell for Electron-Resonance Tests
Inventor: KOCH GERHARD
IPC: G01R33/345
Filed: 1967-12-01
Abstract: 1,161,438. Specimen cell for EPR spectrometer. CARL ZEISS JENA VEB. Dec. 1, 1967, No.54715/67. Heading G1N. A cell of dielectric material for a specimen in an EPR spectrometer comprises a tubular member, formed by two symmetrical parts 1, 2, closed at one end and formed with an internal rectangular cross-section and external circular cross-section at either end with an intermediate part 5 of rectangular cross-section. The two parts of the cell are held together by rings 3, 4, a thin layer of sealing material having been applied to abutting surfaces 7. The cell is held in the spectrometer by a collar 6 with the part 5 inside its cavity resonator.
Patent GB-1430748-A (GB)
Title: Powder coating compositions comprising a blend of coreactive polymers
IPC: C09D5/46
Filed: 1974-12-19
Abstract: 1430748 Powder coating compositions FORD MOTOR CO Ltd 19 Dec 1974 [19 Dec 1973] 54860/74 Heading C3B A thermosettable powder coating composition comprises a mixture of: (I) a quantitatively and qualitatively polyfunctional first copolymer (i.e. having more than one type of reactive group and more than one of each reactive group in the molecule) prepared from olefinically unsaturated monomers containing (a) epoxy and amide groups; (b) epoxy and hydroxy groups; (c) carboxy and amide groups; or (d) carboxy and hydroxy groups; in (I) the monomer providing the highest concentration of reactive groups is present at 5-20% by weight and the monomer providing the second greatest concentration at 2-10% by wt. of the total monomer; and (II) a quantitatively polyfunctional, qualitatively monofunctional second copolymer derived from olefinically unsaturated monomers containing (a) anhydride groups, (b) carboxyl groups or (c) epoxy groups. Both (I) and (II) have M.W. 1500-15,000 with no more than 5% thereof having M.W. >20,000. (II) is present so as to provide 0À4-1À4 reactive groups for each reactive group of (I). In examples, (I) may contain epoxy and OH groups (e.g. copolymers containing glycidyl methacrylate and hydroxyethy methacrylate) and (II) may contain carboxyl or anhydride groups (e.g. copolymers containing methacrylic acid or maleic anhydride). Alternatively if (I) contains carboxyl groups together with amide or OH groups, (II) contains epoxy groups. The composition may additionally contain flow control agents, cross-linking catalysts, pigments, antistatic agents and plasticizers.
Patent GB-1168810-A (GB)
Title: Semiconductor Detector Circuit
Inventor: DINE GILBERT AUGUST VAN
IPC: H03K5/01
Filed: 1966-12-08
Abstract: 1,168,810. Transistor pulse circuits. WESTERN ELECTRIC CO. Inc. 8 Dec., 1966 [13 Dec., 1965], No. 54986/66. Heading H3T A circuit for converting bipolar input signals to unipolar output signals comprises a transistor Q1 which operates in common emitter configuration for input pulses of one polarity, and in common base configuration for pulses of the opposite polarity. Noise is removed by diodes D1, D2 which prevents the circuit from operating until their threshold is exceeded by the input signal. Positive going pulses from source 20 forward bias diode D1, D3, and the transistor Q1 operates as a common emitter Class A stage to produce negative going pulses at its collector. In this mode of operation it is shown that the input impedance is substantially equal to the parallel resistance of R3 and R4. Negative input pulses reverse bias diodes D1 and D3 and the circuit operates in common base configuration to again produce negative going pulses at the collector of Q1. In this mode of operation it is shown that the input impedance is substantially equal to R6. If R6 is therefore equal to the parallel combination of R3, R4 the input impedance is the same in both cases resulting in no net charge on C1. The resulting output pulses are differentiated by inductance L1 and the differentiated pulses fed via switching stage Q2 to a further switching stage Q3 which is normally biased to its conductive state. The negative going spikes of the differentiated pulses at the base of Q3 will then switch it off to produce a train of positive going pulses at the output 53.
Patent GB-1363940-A (GB)
Title: Closures for pressure vessels
Inventor: GREEN D
IPC: F16J13/02
Filed: 1971-11-29
Abstract: 1363940 Pressure vessel closures UNITED KINGDOM ATOMIC ENERGY AUTHORITY 31 Oct 1972 [29 Nov 1971] 55413/71 Heading F2P [Also in Division B3] Fluid under pressure may be supplied through a movable locking member 12 and a removable plug 4 to the bore 2 of a pressure vessel 1, to effect hydrostatic extrusion of a billet placed therein, for example. As shown, the locking member 12 is slidable across the bore of a block 9, connected to the vessel 1, through transverse slots 13, 14 and it is operated by a rod 55 connected to an hydraulic cylinder 54. The plug 4 has a head portion 6 with a lifting knob 59 accommodated in a slot 58 in the member 12. Fluid under pressure is supplied through a pipe 47 and passes along pipes 25, 32 and passageways 19, 22, 39 to the bore 2 of the vessel 1. The pipes 25, 32 lie in bores 26, 33 in the locking member 12 and terminate in plugs 30, 36 which sealingly engage in sockets 46, 38 when the member 12 is moved to its locked position shown.
Patent GB-1362808-A (GB)
Title: Fuel injection system incorporating shift shock preventing device
IPC: F02D29/00
Filed: 1971-11-30
Abstract: 1362808 Fuel injection apparatus NISSAN MOTOR CO Ltd 30 Nov 1971 [31 Dec 1970] 55449/71 Heading F1B [Also in Division G1] In an intermittent fuel injection system for an I.C. engine of a motor vehicle having an automatic transmission, a circuit 65 applies a signal to a computing circuit 19 upon upshifting of the transmission, to thereby reduce the width of injection-pulses supplied by the circuit 19 or inhibit such pulses, so as to reduce the amount of fuel supplied to the engine during upshifting. In this manner "shift shock", experienced by occupants of the vehicle, is prevented. The computing circuit, which comprising a blocking oscillator, Fig.3 (not shown), has one input connected to an engine triggered switching device 20 to provide the pulses, the width of the pulses being controlled by the output of an intake manifold pressure sensor 21 including a bellows 24 and a transformer 25, 26, 27, and a thermistor 30 located on the engine block 14. A transducer 28, such as a potentiometer, oscillator or Piezo-electric device, is operatively connected with the accelerator pedal to provide a signal to an acceleration signal generating circuit whose output is applied directly to the injection valve actuation circuit 18. The automatic transmission 40 is of the electric type having a pair of solenoids 42, 43 activated by a control 41 which receives inputs from the transducer 28 and an engine speed sensor 50.
Patent GB-1220276-A (GB)
Title: Electric heater
IPC: H05B3/44
Filed: 1968-11-22
Abstract: 1,220,276. Electric heating resistances. FUJI SHASHIN FILM K.K. 22 Nov., 1968 [8 June, 1968], No. 55583/68. Heading H5H. The cross-sectional area of a resistance heating conductor is increased to lower its resistance in zones where it contacts a surrounding tubular support of electrically non-conductive and heatresistant material, such as crystalline glass or quartz glass, to prevent cracking or breaking of the support in those zones. A ribbon conductor 1, comprising linear portions 5 separated by V- shaped portions 2, 2<SP>1</SP>, engaging a crystalline glass tube support 4, has the two limbs of each V-shaped portion spot-welded to each other at the apex 3 or 3<SP>1</SP> to double the ribbon thickness at the apices 3, 3<SP>1</SP>. Similar treatment is given to a helical resistance coil 11, Fig. 2 (not shown). A short piece of ribbon 39 is superposed on a heating ribbon 31 and spot-welded thereto, and the superposed ribbons are bent into wave form such that wave bends 36, 36<SP>1</SP>, contact the wall of a tubular support (not shown) into which the resistance is inserted. In further embodiments a heating ribbon 41, Fig. 4 (not shown), is provided with a wider part 42 with ends 46 engaging the support tube, and a short ribbon 59 is disposed in a fold 52 of a heating ribbon 51 and is spot-welded thereto at 53.
Patent GB-1278280-A (GB)
Title: Printed circuit pattern mask
IPC: G03F1/90
Filed: 1969-11-18
Abstract: 1278280 Printed circuit production BISHOP GRAPHICS Inc 18 Nov 1969 [9 June 1969] 56345/69 Heading G2M A mask for exposing photo-resists to produce printed circuits is produced by sticking patterns 10, 26, 28, 30, 32 on to a translucent or transparent substrate 24, filling any remaining areas 38 (e.g. with opaque, sticky tape), and cutting connecting channels 35 where required.
Patent GB-1188634-A (GB)
Title: 4-Substituted-19-Nor-A-Home-Steroid-Delta2,4a,10(1)-Trienes and Process for their Manufacture
IPC: A61K31/57
Filed: 1968-12-03
Abstract: 1,188,634. A - Homo - steroid - #<SP>2,4a,10(1)-</SP> trienes. CIBA Ltd. 3 Dec., 1968 [6 Dec., 1967], No. 57348/68. Headings C2C and C2U. Novel 4 - substituted - 19 - nor - A - homosteroid - #<SP>2,4a,10(1)</SP>-trienes, the 4 - substituent being a group of the structure R 1 -N= in which R 1  is a free or esterified OH group or a substituted NH 2  group, are prepared by reacting the corresponding 3-substituted-#<SP>1,4</SP>-steroiddienes containing in the 10-position a reactive esterified OH group with a strong base. In the products a ketalized oxo group may be hydrolysed as may an esterified or etherified hydroxyl group, a 17-keto group may be reduced to the #-OH group possibly with simultaneous introduction in the α-position of a lower aliphatic hydrocarbon radical and/or an OH group may be esterified or etherified. The starting materials may be prepared in situ from the corresponding 3-keto-#<SP>1,4</SP>-dienes and appropriate reagents, i.e. hydroxylamine or an ester thereof or a substituted hydrazine. The A-homo-steroids of the invention, which are stated to be active against inflammation and tumours and to lower blood cholesterol level, may be made up into pharmaceutical compositions with suitable carriers.
Patent GB-1414673-A (GB)
Title: Method of consolidating subsoil and a pile located in such consolidated subsoil
IPC: E02D5/46
Filed: 1972-12-13
Abstract: 1414673 Soil stabilisation; foundation piles R TARANTO 13 Dec 1972 [14 Dec 1971] 57406/72 Headings E1F and E1H Soil is consolidated by inserting into the soil a hollow member having spaced apertured or permeable wall sections 12 provided with deformable external protective coatings and so injecting bindable material under pressure into the member that the material issues from said sections laterally of the member to deform the coverings to exert pressure against the soil to form materialfilled enlargements 14 in the soil where the issuing material causes compaction of the soil. Preferably the member is a pipe having alternate continuous wall sections and apertured wall sections, the apertured sections being covered by a coating of plastics, fabric, e.g. jute cloth, or a composite material. The material may be introduced under steady or pulsing pressure into the member to cause expansion and, if desired, subsequent rupturing of the protective coatings. The member may serve as the core structure of a pile if the material is a cement aggregate. Successive introduction of material at a higher pressure than that of a previous introduction of bindable material may be made after partial binding of the previously introduced material has taken place to cause increase in the size of the enlargements.
Patent GB-1286645-A (GB)
Title: Lens system
Inventor: MATSUMOTO TOHRU
IPC: G02B13/26
Filed: 1969-11-25
Abstract: 1286645 Telephoto lenses ASAHI KOGKAU KOGYO K K 25 Nov 1969 [4 Dec 1968] 57699/69 Heading G2J A lens system which forms an image of unity magnification comprises four lens groups 1, 2-5, 7-11, 12 forming two telephoto lens systems symmetrically arranged with respect to a diaphragm position D, wherein all the following conditions are satisfied:-  a) The absolute value of each radius of curvature is greater than 0À7F (where F is the overall resultant focal length); b) The absolute value of the radius of curvature of each positive lens, except cemented surfaces, is larger than F; c) The index of refraction of each positive lens is greater than 1À65; d) The system is such that rays passing through the diaphragm parallel to the optic axis issue from the second negative lens of the rear lens group as divergent rays; and e) The absolute value of the radius of curvature of the surface of larger curvature of the rearmost negative lens is made larger than 0À7F and less than 1À5F. Two specific examples of lenses are given together with relevant optical data.
Patent GB-1109940-A (GB)
Title: Electrical pin receptacle
IPC: H01R4/48
Filed: 1966-12-29
Abstract: 1,109,940. Two-part couplings. AMP Inc. 29 Dec., 1966 [20 Jan., 1966], No. 58039/66. Heading H2E. An electrical connector socket 1, Fig. 1, formed from flat sheet metal into the shape of a substantially tubular sleeve has a longitudinally extending open seam 3, at one edge 5 of which the metal is folded back into the tubular opening to form a contact spring 6, such that a pin may be received in the space 9 between the spring 6 and the opposite side of the sleeve. A groove (11, Fig. 3, not shown), may be formed in the wall of the sleeve behind the contact spring such that a conductor inserted into the space between the spring 6 and that part of the wall of the sleeve having the groove formed therein may be held in place by the spring. The strength of the spring 6 may be altered by providing a longitudinal slot in the fold of the socket adjacent the seam 3. A circumferential slot 18, Fig. 6, in that part of the wall at the sleeve behind the spring 6 provides spaces of two different cross-sectional areas such that conductors of different diameters may be received. Alternatively, the bare conductor may be retained in the smaller of the two spaces and the wire insulation in the larger of the spaces. The parts 19, 20 may be provided with transverse serrations to increase the pull-out force of the connector. In a modification the socket is provided with at least one flat side or is made rectangular, this latter construction being particularly suitable for receiving rectangular pins. Two sockets 1 may be moulded into a body (10, Fig. 2, not shown) to form a twin socket connector, the flat sides of the modified sockets providing a useful polarizing means.
Patent GB-1374783-A (GB)
Title: Multiple cylinder piston compressor for vapour-compression cycle  refrigeration plant
IPC: F25B1/02
Filed: 1971-12-15
Abstract: 1374783 Refrigeration KOMBINAT LUFTUND KALTETECHNIK VEB 15 Dec 1971 58155/71 Heading F4H [Also in Division F1] In a multi-cylinder refrigerant compressor wherein the output is controlled by preventing closure of the inlet valves 17 of individual cylinders 5 by means of lifting pins 30, each pin 30 is movable by a control piston 29 when liquid refrigerant is fed to its cylinder 20 through a channel 23. Some of the liquid fed to the cylinders 20 leaks past the pistons 29 into the suction chamber 14 of its working cylinder. Evaporation of this refrigerant inhibits overheating of the volume of gas which flows to-andfro through the open inlet valve. Refrigerant is supplied to the channels 23 through axial ducts 24 in one screw 13 which clamp the cylinder 5, a valve guard 6, a valve seat 7 and a guide member 11 to the crankcase 1. The supply of liquid refrigerant to the cylinders 20 is controlled by magnetic or manual valves in branch lines from the refrigeration system's condenser. The magnetic valves may be controlled by a thermostat, or, if the compressor is in an air conditioning plant, by a moisture measuring instrument.
Patent GB-583443-A (GB)
Abstract: 583,443. Gas lighters. TASH, S. Oct. 30, 1944, No. 21116. [Class 75 (iii)] In a gas lighter of the type in which the limbs A, B of a substantially U-shaped holder carry a steel striking surface D and a flint F respectively, a wire coil or bifurcated spring G is riveted to the limbs A, B to assist in returning the limbs after they have been pressed together to produce a spark. The central screw J of the collet E in which the flint F is mounted may be extended and fitted with a screw cap K containing spare flints.