baber/WOPTO huggingface dataset:
Patent GB-1400570-A (GB)
Title: Prodegradant compositions comprising vinyl chloride polymers
IPC: C08K5/00
Filed: 1972-11-23
Abstract: 1400570 Prodegradant compositions IMPERIAL CHEMICAL INDUSTRIES Ltd 12 Nov 1973 [23Nov 1972] 45197/72 Heading C3P A composition comprises a vinyl chloride polymer and as prodegradant a metal chelate of Ti, V, Cr, Mn, Fe, Co, Ni or Cu and a dione which has two carbonyl groups attached to the same carbon atom to which is also attached at least one hydrogen atom. The prodegradant exemplified is iron acetylacetonate and this is compounded with polyvinyl chloride;, dibutyl tin dinonylthioglycolate and stearic acid. Sheets cast from this composition are degraded by ultra-violet light.
Patent GB-1210684-A (GB)
Title: Improvements in or relating to devices for automatically processing exposed photographic sensitive materials
IPC: G03D3/06
Filed: 1967-12-04
Abstract: 1,210,684. 684. Automatic developing apparatus. FRANCE TECHNIQUE. Dec.4, 1967 [Dec.2, 1966; Nov.24, 1967], No.55133/67. Heading G2A. A device for automatically developing an exposed photo-sensitive material comprises a thermostatically controlled water bath 4 filled to constant level with running water, a hanging processing trough 6 immersed in said tank and containing bearings 21 for mounting a revolving axle 23 carrying a bobbin 24 that supports the material to be developed, and an electric motor reduction unit 37 driving said axle via wheels 35 and 32 and shafts 33 and 34 and also driving via wheels 42 a processing liquid dispensing card 49 which card is guided and held by slide bars 44 of semicircular section immersed in tank 4 with a rectilinear section 47 above the processing trough, wherein said card or strip carries on one side containers 51 of processing liquid which are opened by depressing nozzles 52 which ride up ramp 53 and perforating the container by member 3 or pointed wheel not shown allowing the processing liquid to discharge down duct 54 into trough 6, and the maximum level in trough 6 is controlled by siphon 28, 29, 30 at a lower level than that in tank 4. The card 49 may carry bars 56 which actuate lever 57 opening hole 60 in trough 6 allowing water from tank 4 to flush out processing chemical or a bar which opens a drain at the bottom of trough 6. The tank 6 may contain an exposure lamp 61. The driving means may comprise a stopping lever which delays movement of the card 49 to cause over development and the water supply of the heating system may be controlled by a constant level tank the water inlet of which is connected to a safety device that switches off the heating in case of lack of water in the inlet.
Patent GB-1211703-A (GB)
Title: Fine particles
Inventor: BARNES WILLIAM RICHARD
IPC: C01B33/18
Filed: 1966-12-08
Abstract: 1,211,703. Activated silica particles. UNILEVER Ltd. 6 Dec., 1967 [8 Dec., 1966], No. 55416/67. Divided out of 1,211,702. Heading C1A. Submicron silica particles are made by vaporizing a silica feed in a plasma generator and quenching the tail flame, containing the vaporized silica, in the presence of a hydrogen containing compound. The hydrogen containing compound may be a hydrocarbon or a polar compound containing a hydrophobic group such as an alkylhalosilane and may form part of the quench gas or be introduced with the feed. Other hydrogen containing compounds specified are chlorosilanes, water, ammonia, alcohols, amines, organic acids and kaolinite (which contains water). The plasma generator may be a D.C. or A.C. arc or an R.F. inducted type. The silica produced may be used as a thixotropic agent or as a reinforcement for rubber.
Patent GB-1463878-A (GB)
Title: Solar battery powered battery chargers and electric power supply sources including solar batteries
IPC: B62J6/00
Filed: 1974-12-23
Abstract: 1463878 Electronic timepieces SUWA SEIKOSHA KK 23 Dec 1974 [25 Dec 1973] 55469/74 Heading G3T [Also in Division H2]  A wristwatch is provided with a solar battery powered charger for charging a secondary battery used as the power source of the watch, the charger having means responsive to the voltage across the secondary battery for by-passing current from the solar battery when the voltage reaches a near fully charged value. The solar battery may double as the watch face, the watch having a digital liquid crystal display and a quartz crystal oscillator.
Patent GB-1462220-A (GB)
Title: Toner composition for use in electrophotography
IPC: C08L67/00
Filed: 1974-12-24
Abstract: 1462220 Electrophotographic polyester toner composition KAO SOAP CO Ltd 24 Dec 1974 [29 Dec 1973] 55690/74 Headings C3R and C3B [Also in Division C2] A toner composition capable of being charged with a positive charge and suitable for use in electrophotographic development comprises 1 to 20 p.b.w. of a colourant and 80 to 99 p.b.w. of a binder resin which comprises either (a) a polyester resin of softening point 100 to 145 C. obtained by reacting (i) a dicarboxylic acid component of which 50 to 100 mol. per cent is fumaric, maleic or succinic acid or anhydride with (ii) a polyol component of which 10 to 100 mol. is a glycol wherein x is 0 or 1 and R is C 1-5  alkylene, S, O, CO, SO or SO 2 , or (b) a blend of at least 55 wt. per cent of (a) with the balance being a polystyrene rosin maleate, petroleum resin or epoxy resin of softening point 80 to 150 C. A charge control agent, plasticizer or filler may also be included. Numerous polyols (a) (ii) and other diacids and polyols which may be co-condensed in (a) and pigments and dyes which may be used as colourants are described. The toner composition may be prepared by the liquid spray or pulverization method to give particles of 5 to 20 microns. These may be blended with 10 to 100 p.b.w. of glass beads or iron powder to give a dry developer or dispersed in an insulating liquid, e.g. a liquid hydrocarbon of resistivity above 10<SP>9</SP> ohm. cm. and dielectric constant below 3, to give a liquid developer. In a process for developing electrostatic latent images a positive charge is imparted to the composition which is then applied to a copy substrate bearing a negative electrostatic latent image. In specific examples the latent image is on a sheet having a photosensitive ZnO layer which is developed by a magnetic brushing method.
Patent GB-1429818-A (GB)
Title: Apparatus for sorting toroidal ferrite cores
IPC: H01F41/02
Filed: 1973-12-03
Abstract: 1429818 Testing magnetic storage devices VYCHISLITEL TSENTR SIBIR OTDELENIA AKAD NAUK SSSR 3 Dec 1973 [11 Dec 1972] 55878/73 Heading H3B [Also in Division G1] Teroidal cores 1 are tested by threading the cores on conductor 5 passing through a testing station 2, feeding the cores individually and in turn to station 2, passing a needle conductor 11 through the core thereat, testing the performance of the core and crushing the core at the station 2 if its performance is unsatisfactory. When a driving member 15 is rotated, slotted crank-plate 13 co-operates with pin 14 on member 15 to retract needle 11 upwards away from station 2 and then 14 engages with a tooth of Geneva wheel 16 to rotate shaft 3 so that the lowermost core 1 on conductor 5 engages in socket 4 and is carried to station 2. Further rotation of member 15 causes pin 14 to disengage from wheel 16 and cause crank-plate 13 to move downwards so that needle 11 moves downwards to thread the core and make contact with terminal 18. A train of current pulses is then fed from tester 8 to either conductor 5 via leads 8<SP>1</SP> or to needle 11 via leads 17<SP>1</SP> and the current induced in the other conductor due to switching of the core is monitored in sorting unit 9. An unsatisfactory signal causes unit 9 to energize crusher unit 10 to destroy the core. A satisfactory core passes down conductor 5 at the next movement of shaft 3.
Patent GB-1211200-A (GB)
Title: Linear electric motors
Inventor: HOLMES JOHN STEPHEN
IPC: H02K41/025
Filed: 1966-12-15
Abstract: 1,211,200. Linear electric motors. ROTAX Ltd. 21 Feb., 1968 [15 Dec., 1966], No. 56178/66. Heading H2A. In a linear electric motor, for actuating a sliding door, comprising an elongated stator assembly which when energized produces a moving magnetic field which influences an adjacent armature formed of magnetic material 11 having an electrically conductive coating 12, the thickness of the latter is progressively reduced throughout the armature length. This is to produce an armature force which initially is high, to start the door moving, but decreases throughout the stroke to avoid the door attaining a dangerously high velocity. The reduction may be achieved by progressively withdrawing the armature from an electroplating bath, or machining a coating secured by rivets or an adhesive.
Patent GB-1109030-A (GB)
Title: Hermetic control device for a watch movement in a casing
IPC: G04B37/10
Filed: 1966-12-15
Abstract: 1,109,030. Watches. FABRIQUE DE COURONNES BONINCHI S.A. Dec.15, 1966 [June 14, 1966J, No. 56227/66. Heading G3T. A winding and hand setting control for a watch comprises a crown 1, by means of which the control can be placed in an operative position in which the watch mechanism can be actuated, or in a closed position in which a waterproof joint 15 is axially compressed. Waterproof seals 12, 13 are placed between a pendant 2 and a stem holder 9, the stem holder having a squared portion 10 which is a sliding fit in an aperture in a socket 8. In the closed position, a bayonet joint 3, 4 locks the crown on the pendant but in the winding position projections 6 on the crown engage grooves 7 on the socket so that the socket and therefore the stem holder can be rotated by the crown. The crown may be further pulled out to a hand setting position in which the projections 6 engage a ring 16 so that the socket lifts the stem holder into the hand setting position. In a modification, the projections and grooves on the crown and the socket respectively are permanently enmeshed and the two joints 13, 15 are replaced by a single joint.
Patent GB-1368783-A (GB)
Title: Filing cabinets
IPC: A47B63/00
Filed: 1971-12-07
Abstract: 1368783 Cabinets; shelving SUPREME EQUIPMENT & SYSTEMS CORP 7 Dec 1971 56665/71 Heading A4B A filing cabinet comprises a top 21, base 22 and a plurality of shelf units 8 bolted together to form a rigid structure, each shelf unit comprising a shelf 2 with no lip on its front edge, side walls 4, a back wall, and a plurality of partitions 5 rigidly secured, e.g. by spot welding, to an associated shelf 2 and back wall. A removable closure panel 9 may be fitted to the shelf units.
Patent GB-1383490-A (GB)
Title: Pumps
IPC: F04B1/26
Filed: 1973-12-10
Abstract: 1383490 Fluid pressure servomotor systems SPERRY RAND CORP 10 Dec 1973 [18 Dec 1972] 57064/73 Heading G3P A pump 10 is provided with an adjustable flow regulating orifice 16 connected to its outlet 14 and a servomotor 12 for adjusting the pump displacement under the control of pilot valve 20 to maintain a predetermined pressure drop across orifice 16. The latter has an upstream connection via lines 22, 28 to urge pilot valve 20 in the displacement reducing direction against spring 26 and a downstream connection via restriction 30 and line 32 to urge the valve in the opposite direction. A pressure compensated flow regulating valve 36 in line 34 enables a continuous bleed flow through restrictor 30 to drain line 24. Restrictor 30 is sized such that the pressure drop there-across is high relative to that across variable orifice 16, e.g. five times higher, so that a sufficient pressure differential exists for effective control of pilot valve 20 without imparing a large pressure drop across orifice 16 resulting in high power losses. A pressure relief valve 38 is also provided. In a modification Fig. 2 (not shown), the valves 36, 38 are combined as a single unit (42).
Patent GB-1330338-A (GB)
Title: Pin-driving tool
IPC: B25C1/18
Filed: 1970-12-04
Abstract: 1330338 Cartridge actuated fastener driving tool ELEKTRO-FEINMECHANIK ERICH HOLZ 4 Dec 1970 [5 Dec 1969] 57705/70 Heading B4C [Also in Division F3] A cartridge actuated fastener driving tool comprises an axially movable barrel 3 having a bore 7, for receiving a cartridge and enclosing a driving piston 9, and means operable upon rearward movement of the barrel towards its firing position for moving a strip 11 of resilient material carrying cartridges 8 so that the leading unfired cartridge in the strip is moved into alignment with the bore 7. The means includes a sprocket wheel 18 which engages the cartridges, and a ratchet wheel 19, both wheels being securely mounted on a shaft 71. A substantially vertically movable member 20 having a projecting bolt 20a for effecting indexing of the ratchet wheel and normally biased to the position shown by tension spring 21 projects into the path of movement of the barrel. Rearward movement of the barrel thus depresses the member 20 against bias of spring 21 and causes rotation of the sprocket wheel and indexing of the strip. Return motion of the ratchet wheel is prevented by a pawl 22 biased by spring 23 into engagement with the ratchet wheel. The wheels, pawl 22 and member 20 are carried by a housing 12 made of sheet metal or plastics material. The housing 12 is retained in the tool body by a lug 15 being biased by spring 14 to engage under a nose 16.
Patent GB-1215953-A (GB)
Title: Information display systems
IPC: H05B33/12
Filed: 1967-12-20
Abstract: 1,215,953. Electroluminescence. AUTOTELIC INDUSTRIES Ltd. 20 Dec., 1967 [12 April, 1967], No. 57755/67. Heading C4S. [Also in Division H1] A display screen comprises a first panel including an electroluminescent layer 5 and a conductor matrix 6, 7 for selectively activating parts of the layer and a second panel 2 including a plurality of transparent conductive strips 80 adjacent the first panel, layers of photoconductive, opaque conductive and electroluminescent material 81, 79, 82 and a segmented electrode 83. A TV screen comprises three panels; in the first a moving constant intensity spot of light is produced in accordance with vertical and horizontal synchronizing pulses; in the second panel extraneous light is prevented from passing and the spot may be amplified; in the third the light intensity is varied in accordance with an amplitude signal. The first panel comprises e.1. strips between a crossed matrix of conductor strips 6, 7, the latter deposited on a glass substrate; in colour screens each element 5 and strip 6 is replaced by three e.1. elements, each with a conductive strip. The elements may be activated by a potential between the conductive strips or by an electron beam in a C.R.T. Panel 3 is also an image intensifier comprising electrode 84, on a glass plate 90, a CdS photo-conductive layer 85, an opaque conductive layer 86, a ZnS e.1. layer 87 and electrode 88. Potential is supplied to each vertical electrode 6 by an associated transistor circuit controlled by a gate circuit. The transistor circuit at the same time applies a potential to the preceding vertical strip in panel 2 to prevent the passage of light. Other transistor circuits also controlled by gates apply potential to strips 7. For colour TV layer 87 and electrode 88 are in strip form; several strips of the same colour may be interconnected to form a few groups to which the signal is applied via a transformer. In another embodiment a variable intensity moving spot is produced in panel 1 using triple diode circuits controlled by clock circuits, panel 3 then provides constant amplification. In a modified panel 2 the p.c. layer is divided into diagonal strips having wavy edges such that each strip comprises a series of roundcornered squares.
Patent GB-1283593-A (GB)
Title: Drying of proteinaceous materials
Inventor: MORRIS ALAN
IPC: A23J3/18
Filed: 1969-11-28
Abstract: 1283593 Drying proteinaceous material SLIMCEA Ltd 19 Nov 1970 [28 Nov 1969] 58215/69 Heading A2D A process for drying wet wheat gluten comprises the steps of (a) comminuting the wet gluten by a cutting process to form particles of wet gluten (b) coating the wet gluten particles with a dry powdered moisture transfer agent and (c) drying the coated particles. The step (a) may be carried out using a bowl chopper. The agent used in step (b) may be dry powdered wheat gluten, diatomaceous earth or starch. The drying step (c) may be carried out in a rotary louvre drier. The coated wet gluten of step (b) may in carrying out step (c) be mixed with more moisture transfer agent.
Patent GB-1415980-A (GB)
Title: Process for preparing acid chlorides
IPC: C07C51/00
Filed: 1973-12-17
Abstract: 1415980 Preparation of acid chlorides GENERAL ELECTRIC CO 17 Dec 1973 [2 Jan 1973] 58304/73 Heading C2C Acid chlorides are prepared by reacting a carboxylic acid withphosgene at an elevated temperature in the presence of a tertiary amine catalyst of the general formula wherein R 1 , R 2 , and R 3  are independently selected from alkyl, aryl, cycloalkyl, alkaryl and aralkyl radicals of 1 to 25 carbon atoms and an acid chloride medium; said acid chloride medium corresponding to the acid chloride produced. Examples of suitable carboxylic acids are the phthalic acids, benzaic acid, toluic, acid, trimesic acid, glutaric acid, adipic acid, sebacic acid, lauric acid, stearic acid, azelaic acid, cyclohexane-1,4-dicarboxylic acid and cyclopentane dicarboxylic acid. The catalyst may be present in an amount of from about 0À1 to 2À0 mole per cent based on the moles of carboxylic acid. A preferred temperature range is from about 120‹ to 160‹ C.
Patent GB-1195330-A (GB)
Title: Electroless Copper Plating
IPC: C23C18/40
Filed: 1968-12-11
Abstract: 1,195,330. Coating with metals. SHIPLEY CO. Inc. Dec. 11, 1968 [Jan. 5, 1968], No.58920/68. Heading C7F. An electroless copper plating solution contains a silicon compound which may be e.g. a substituted silane or a polysiloxane. In an example the solution contains (g./1.) Cu SO 4 .SH 2 O 10À0, Na OH 10À0, HCHO 7À5 E.D.T.A. 4Na 2À0, methyldichlorosilane 250 p.p.m.
Patent GB-1310080-A (GB)
Title: Consistometer apparatus
IPC: G01N11/14
Filed: 1971-12-22
Abstract: 1310080 Measuring viscosity electrically TEXACO DEVELOPMENT CORP 22 Dec 1971 [30 Dec 1970] 59610/71 Heading G1N Apparatus for measuring the viscosity of a fluid comprises a shaft 21, Fig.1 driving at a constant speed a paddle member 32 in a chamber 11 through which the test fluid flows, and a reference member 40 outside the fluid, each  member producing a pulse as it passes a pick-up 42, 43, the phase difference between the pulse trains being indicative of the viscosity of the fluid. The pick-ups 42, 43 are magnetic sensors, the paddle member 32 and the reference member 40 are made of ferromagnetic material, or the latter may be a brass disc with an iron insert, and may be located inside the chamber 11. The Specification describes circuitry for measuring the time interval between corresponding pulses of the two pulse trains and includes means for checking a part of the circuit.
Patent GB-1414810-A (GB)
Title: Hydraulic dampers of the telescopic type
IPC: F16F9/06
Filed: 1972-12-20
Abstract: 1414810 Preventing foaming in shock absorbers F M ALLINQUANT and J G ALLINQUANT 20 Dec 1972 [23 Dec 1971] 59724/72 Heading F2S An hydraulic piston-and-cylinder damper has a gas-containing compensation chamber 9 separated from the working chamber 8 by a partion 7 having one-way valves for each direction of flow and carrying a deflector 24 which allows passage of fluid from the compensation chamber 9 to the working chamber 8 only through a reduced passage, the passage being below the liquid level when the damper is horizontal. Fluid from the chamber 8 passes through an opening 13 (which is at the "top" with the damper horizontal), an arcuate groove 14 and a passage 12 closed by a spring steel valve member 18. In the reverse direction flow is through three circular or rectangular holes 20 (which are at the "bottom' with the damper horizontal) closed by a washer 21 having an arcuate groove 22 therein to allow extra flexibility. The entry to the holes 20 is masked by the deflector which is a spring washer 24 seating round a ridge 27 except for an angle α of about 70 degrees at the bottom, where it rests on studs 28. The deflector may be cut away at A-A in Fig. 4, or the partition grooved at B-B in Fig. 2 to increase the size of the passage. A recess 32 shows the correct attitude for use. A small passage (34, Fig. 3, not shown) links the passage 12 with one of the holes 20 bypassing the valve member 18 to prevent excessive damping of small oscillations. Alternatively there may be a by-pass notch in a washer 15. The damper may be inclined to the horizontal, so that the liquid level is represented by line 33.  Reference has been directed by the Comptroller to Specification 1,018,092.
Patent GB-1240508-A (GB)
Title: Production of copolymers of ethylene
IPC: C08F10/00
Filed: 1968-12-20
Abstract: 1,240,508. Ethylene copolymers. BADISCHE ANILIN- & SODA-FABRIK A.G. 20 Dec., 1968 [21 Dec., 1967], No. 60674/68. Heading C3P. Copolymers of major proportions of ethylene with minor proportions of C 3-12  alkene carboxylic acids and C 3-8  alkenes, and optionally minor proportions of C 3-8  secondary alkanol or C 4-8  tertiary alkanol esters of C 3-8  alkene carboxylic acids and/or other conventional monomers are prepared by copolymerizing 100 molar proportions of ethylene, 0À001 to 20 molar proportions of a C 3-8  secondary alkanol or C 4-8  tertiary alkanol ester of a C 3-12  alkene carboxylic acid and optionally up to 80 molar proportions of other monomers, at 110‹ to 350‹ C. and 100 to 8000 atmospheres in the presence of free radical initiators under such conditions that at least part of the ester is decomposed by pyrolysis to C 3-12  alkene carboxylic acid and C 3-8  alkene. Specified esters are isopropyl, t-butyl and t-amyl acrylate, isopropyl and tbutyl methacrylate, t-butyl crotonate, t-butyl vinylacetate and di-t-butyl maleate and fumarate. Specified other monomers are C 3-8  alkenes, unsaturated esters, ketones, ethers and alcohols, N-alkenyl heterocyclic compounds; unsaturated nitriles and amides, halides, sulphones and sulphonates, and carbon monoxide and sulphur dioxide. Polymerization may be effected continuously in tubular reactors or in stirred autoclaves, optionally in the presence of pyrolysis catalysts, e.g. α-naphthalene sulphonic acid, boron trifluoride and ansolvo acids. The products may be used for making films and fibres, and as adhesives. Many examples are given describing the copolymerization of ethylene with isobutylene and t-butyl acrylate, amylene and t-amyl acrylate, t-butyl acrylate, isopropyl acrylate, t-butyl methacrylate, tbutyl vinylacetate, isopropyl methacrylate, diisopropyl fumarate, and t-butyl acrylate and carbon monoxide in the presence of initiators such as oxygen and di-t-butyl peroxide and oxygen, and pyrolysis catalysts such as α- naphthalene sulphonic acid.
Patent GB-1281558-A (GB)
Title: Improvements in or relating to water demineralizing processes
IPC: B01J47/04
Filed: 1969-12-15
Abstract: 1281558 Ion exchange CRANE CO 15 Dec 1969 [16 Dec 1968 3 Oct 1969] 61076/69 Heading B1J In an ion-exchange process, water is passed first through a cation exchange resin bed and then through a bed containing an anion exchange resin and a strongly acidic cation exchange resin which are optionally in at least partial admixture. Regeneration is effected by separating the cation exchange resin and the anion exchange resin in the mixed bed, treating the separated cation exchange resin and the first cation exchange resin in series with the same regenerant acid, regenerating the separated anion exchange resin with alkali, rinsing regenerants from all of the resins and remixing the separated anion and cation exchange resins to reform the mixed resin bed.