baber/WOPTO huggingface dataset:
Patent GB-263565-A (GB)
Title: Improvements in circuit breakers, current limiters & the like for electric wiring installations and supply distribution systems
IPC: H01H9/32
Filed: 1925-10-12
Abstract: 263,565. Hoban, M. S. Oct. 12, 1925. Automatic circuitbreakers or currentlimiters of the thermallytripped type comprise a body portion with fixed contacts G, D designed to replace the ordinary bridge-carrier type fuse and having mounted within it an extension C of the contact D and an extension F of the contact G to which is attached a bimetallic strip E. A bent-over end of the strip E engages with a strip L mounted on the back of a rotatable insulating sector J which carries an inset contact stud adapted in the position shown to engage with and bridge the contacts B and C and thereby complete the circuit between the terminals G, D through the bimetallic strip. The strip L carries a pin M projecting through the sector and engaged by a projection P on the operating handle N so that, in the position shown, the sector and operating handle are retained together, in the contact-making position, against the action of the spring Q. With excess current the bimetallic strip bends and withdraws the pin M from engagement with the operating handle whereupon the sector is free to rotate, while the handle lever remains fixed against stops, into a position where an insulating part is interposed between the contacts. The pin may be pushed aside manually to trip the circuit-breaker.
Patent GB-1469808-A (GB)
Title: Anti-sticking silicone compositions of non-solvent type
IPC: C08L83/04
Filed: 1974-06-07
Abstract: 1469808 Anti-adhesive silicone coating compositions SHINETSU CHEMICAL CO 7 June 1974 [11 June 1973 2 May 1974] 25393/ 74 Heading B2E [Also in Division C3]  Polyethylene-laminated paper, polyester film and clay-undercoated paper are provided with a silicone anti-stick coating by applying thereto a solventless silicone composition comprising (a) dimethylpolysiloxane terminated by vinyldimethylsilyl groups and optionally containing 0.5 mole % of phenylmethylsiloxane units (viscosity 45-3000 cs); (b) dimethylpolysiloxane terminated by hydrogendimethylsilyl groups and having a viscosity of 5 cs; (c) methylvinylpolysiloxane terminated by trimethylsilyl groups containing 5-10 mole % of vinylmethylsiloxane units (viscosity 45- 100000 cs), or vinylmethylpolysiloxane terminated by vinyldimethylsilyl groups containing 25 mole % vinylmethylsiloxane units and 75 mole % dimethylsiloxane units (viscosity 48 cs), or a dimethylpolysiloxane gum containing 5 mole % of methylvinylsiloxane units; (d) methylhydrogenpolysiloxane terminated by trimethylsilyl groups (viscosity 25 cs); and (e) a complex of either ethylene or ethanol and chloroplatinic acid as catalyst, and subsequently heat-curing.
Patent GB-1182306-A (GB)
Title: Photographic Products and Processes
Inventor: LAND EDWIN HERBERT
IPC: G03C8/48
Filed: 1967-01-11
Abstract: 1,182,306. Photographic materials for diffusion transfer. INTERNATIONAL POLAROID CORP. 11 Jan., 1967, No. 25460/69. Divided out of 1,182,302. Heading H5R. [Also in Division G2] A photographic material for the diffusion transfer process comprises a support having a silver halide emulsion containing an opaque substance in a ratio by weight of substance to silver being at least 40: 1 and optionally a second layer containing opaque substance in which case the overall ratio by weight of substance to silver is between 20 and 70 to 1. The material may also have an overcoated layer containing a silver precipitating agent or alternatively the developer may contain such an agent and a polymer. When the material is image-wise exposed and developed in the presence of a silver halide solvent, a positive image is formed in the layer containing the silver precipitating agent and the negative image produced in the emulsion is masked by the opaque substance. In the examples, a support is coated with a gelatino silver halide emulsion, titanium dioxide and optionally silica or a humectant (see Specifications 1,182,308 and 1,182,307) and optionally overcoated with a gelatino titanium dioxide layer. The material is image-wise exposed and developed in an alkaline solution containing a developer, a silver halide solvent, sodium carboxymethylcellulose and development nuclei to produce a silver image in the carboxymethylcellulose layer deposited. Alternatively, a development nuclei layer containing sodium sulphide, lead and cadmium acetate may be coated over the surface layer of the material. The material may incorporate an intensifying fluorescent screen preferably between the second layer and an image-receiving layer and be used for X-ray photography. The opaque substance may also be calcium carbonate, magnesium oxide or barium sulphate or the substance may alternatively be produced in the emulsion and optionally in the second layer after image-wise exposure of the material.
Patent GB-421244-A (GB)
Title: Improvements in or relating to reeds for saxophones, clarinets and like wind-instruments
IPC: G10D9/02
Filed: 1934-09-04
Abstract: 421,244. Wind musical instruments. ELWORTH, A. V., 38, Haderslevgade, Copenhagen. Sept. 4, 1934, No. 25470. [Class 88 (ii)] The reed 9 of a saxophone, clarinet, &c. has, on its outer face and forward of the inner edge 12 of the mouthpiece, a recess 16, the bottom 17 of which consists of the material of the reed or of a membrane of hog's bladder, rubber, horn, bone, wood or sheet metal &c. The outer end of the hole may also be covered with a membrane, for instance by winding the reed with a ribbon to close both ends of the hole. In addition, the heel portion 9<a> of the reed may be hollow, with the lower surface or both surfaces of the hollow membrane-covered, the upper portion of the mouthpiece to the rear of edge 12 being then pierced to establish communication with the mouthpiece chamber 4. The under face of the reed may be ground to produce a lower membrane of the required small thickness.
Patent GB-356451-A (GB)
Title: The improved detachable van body for touring cars
IPC: B60P3/42
Filed: 1930-08-27
Abstract: 356,451. Road vehicles with removable bodies. WATERS, C. G., 27, Laburnum Avenue, Sandwich, Kent. Aug. 27, 1930, No. 25506. [Class 108 (i).] A touring car is adapted to have its hood removed and a van body attached. The van body comprises a door J at the rear, a pivoted flap E on the roof adapted to close down on a removable rear bar K and a rim C around the roof.
Patent GB-289103-A (GB)
Title: Improvements in and relating to vat dyestuff preparation and utilisation
IPC: C09B3/24
Filed: 1926-10-13
Abstract: 289,103. Thomson, R. F., Thomas, J., and Scottish Dyes, Ltd. Oct. 13, 1926. Isodibenzanthrone dyes. - A vat dyestuff, probably a diaminoisodibenzanthrone, dyeing cotton reddish-blue shade which on treatment with bleaching powder become bright blue, is obtained by treating with alkaline condensing- agents the amino-Bz 1-chlorbenzanthrone, melting at 280-1‹ C., described in example 7 of Specification 256,281. According to examples the aminochlorbenzanthrone is fused with (1) alcoholic caustic potash (2) caustic potash, ethyl or butyl alcohol, and p-thiocresol (3) sodium alcoholate; other mercaptans, such as thiophenol, may be used in place of thiocresol; the product may be purified by fractional precipitation from sulphuric acid solution. Specifications 242,620 and 254,742 also are referred to.
Patent GB-1143241-A (GB)
Title: Improvements in television synchronising pulse separators
Inventor: CORNEY JOHN VICTOR
IPC: H04N5/08
Filed: 1966-06-08
Abstract: 1,143,241. Television synchronizing-pulse separator circuit. THORN ELECTRONICS Ltd. 8 June, 1966, No. 22587/66. Addition to 1,029,019. Heading H4F. The synchronizing-pulse separator circuit described in Specification 1,027,019 is modified by the addition of a storage capacitor C3 at the output of clamp N in the first feed-back path of the differential amplifier I. The resistor R5 of the feed-back path is also separate from the input resistor R1. A consequential modification involves the connection of the potentiometer R3, R4, which determines the threshold potential of separator means K, between points Z and D instead of points Z and W. The alternative connection for capacitor C2 is also changed from point W to point Q. To preserve circuit symmetry the storage capacitor C3 may also be provided with an alternative connection to point Q. A detailed transistor circuit incorporating the invention is described with reference to Fig. 2 (not shown).
Patent GB-953505-A (GB)
Title: Process of refining fats and fatty oils
IPC: C11B3/06
Filed: 1962-07-10
Abstract: Fatty glyceride stocks, particularly soybean and cottonseed oils, are refined by treatment with aqueous alkali in the presence of up to 10%, most preferably 0.25-0.3%, by weight of urea.  The alkali used is suitably sodium hydroxide, and non-saponifying alkalis such as sodium carbonate or trisodium phosphate may also be present; the amount of alkali used should be at least sufficient to neutralize the free fatty acids present.  It is preferred that the urea be added to the stock 4-5 minutes prior to the addition of the alkali.
Patent GB-1368584-A (GB)
Title: Method of detecting imperfections
IPC: F17C13/12
Filed: 1973-05-30
Abstract: 1368584 Detecting cracks in surfaces SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 30 May 1973 [2 June 1972] 25639/73 Heading G1S A method of detecting cracks in the heat insulated lining of a tank comprises, opening the cracks by temporarily and locally coolingthe lining by scanning its surface with a jet of cold gas such as the vapour of liquid nitrogen obtained by passing a stream of air or nitrogen gas through the liquid nitrogen or by heating the liquid. The cracks can then be photographed or marked for subsequent repair.
Patent GB-895019-A (GB)
Title: Improvements in or relating to arrangements embodying electron discharge devices
Inventor: MAYO BERNARD JOSEPH
IPC: H01J31/26
Filed: 1957-08-15
Abstract: 895,019. Television pick-up tubes. ELECTRIC & MUSICAL INDUSTRIES Ltd. Aug. 13, 1958 [Aug. 15, 1957], No. 25729/57. Class 39 (1). In an arrangement embodying an electron discharge device having two spaced photosensitive surfaces and means directing light on to the side of one of said surfaces remote from the other surface, said means is so disposed that light is incident on said one surface at such an angle that any light transmitted through said one surface is not incident on said other surface. A television pick-up tube 1 Fig. 1 has a photo-cathode 2 on which an optical image is projected, photo-electrons being focused by electrodes 6 and coil 7 on to glass storage plate 3. The charge pattern laid down leaks through to photo-emissive mosaic 4 which is scanned by a light spot from an optical system 8, 9. The line joining the centres of plate 3, lens 9 and scanning tube 8 is inclined to the axis of the pick-up tube so that a marginal ray, such as ray 13, transmitted by plate 3 is not incident on photo-cathode 2. Grid 5 is maintained slightly positive to photocathode 2 so that only electrons from the more negatively charged regions of mosaic 4 are able to reach multiplier 11, 12 to produce the output signal. A transparent conductive coating 14 connected to electrode 10 may be provided at the end of the side tube. In another embodiment the axes of the lens 9 and scanning tube 8 are inclined to the axis of the envelope 1.
Patent GB-1347595-A (GB)
Title: Machine for erecting cartons
IPC: B31B50/46
Filed: 1972-06-01
Abstract: 1347595 Erecting cartons AKERLUND & RAUSING AB 1 June 1972 [1 June 1971] 25744/72 Heading B5D [Also in Division B8] A machine for erecting a tray-like container by means of a plunger moving the tray blank through a die has the die mouth formed of a pair of parallel rollers 15 carrying flanges 20 that fold in corner gusset panels or extensions on one pair of opposite sides. Two further rollers 16 at a lower level engage the tray sides that are not engaged by the rollers 15. To accommodate blanks of different sizes the rollers 15, 16 may be replaced by rollers of different sizes or may be adjustable by means of slots such as 23 which provide adjustment of rollers 16 and guide rails 11 that locate the blank. The blank is held on the die 13 by suction applied by a pipe 24. If the blank is coated with heat sealing material, which may be polyethylene, it is heated immediately before entry into the die and may be heated by electrical heat radiation or by hot air. The carton can be blown from the plunger by compressed air supplied through the pipe 24 or the carton can be stripped from the die by engagement with the lower edge of the die as the plunger is withdrawn. Suction means (29, Fig. 8) conveys the carton to a filling and sealing station.
Patent GB-953108-A (GB)
Title: Method for the continuous manufacture of tubes of thermoplastic material and device for carrying out the method
IPC: B29C48/90
Filed: 1960-07-25
Abstract: 953,108. Extruding tubes. A. GRETENER, and J. GRETENER, [trading as GRETENER & CO. TEXTILSPULENFABRIK BAAR]. July 25, 1960, No. 25761/60. Drawings to Specification. Heading B5A. Thermoplastic tubing is continuously extruded from the nozzle of an extrusion press over a mandrel of a cross-section having a diameter less than that of the nozzle-core and corresponding to that of the finished tube, the mandrel being connected to the nozzle-core by pipes which convey a cooling liquid to the interior of the mandrel to effect solidification of the tube. In order to diminish the friction of the tube on the mandrel, the latter can be provided on its periphery with grooves distributed at intervals along its length. The mandrel may be tapered towards its free-end.
Patent GB-652718-A (GB)
Title: Improvements in or relating to warp beams
Inventor: EASTWOOD FRED
IPC: D02H13/28
Filed: 1948-10-04
Abstract: 652,718. Warp beams. HUGHES & CO., Ltd., F. A. Oct. 4, 1948, No. 25778. [Class 142(ii)] A flange 16 for a warp beam is provided on its outer face with a locating surface 23 on an annular rib 22 against which is bolted a ring 27 having machine cut teeth 29 forming part of a let-off mechanism. An end plug 11 carrying a beam axle 18 is secured within the barrel 10 of the beam by means of set-screws 12, and carries an abutment flange 17 to which the beam flange is secured by means of bolts 20 and securing nuts 21 behind projections 19 on the beam flange. Distance pieces (not shown) may be placed between the abutment flange and the projections so that the flanges can be positioned axially. Stiffening ribs 35 and 34 (the latter increasing in depth toward the beam centre) are provided on the outer face of the beam flange and an annular surface 25 on the rib 22 engages an annular rib 31 on the ring 27. Aluminium or magnesium alloys may be used for the ring, flange or barrel of the beam, or steel may be used for the ring.
Patent GB-231099-A (GB)
Title: Rear axle drive for mechanically propelled vehicles provided with oscillatory axle parts
IPC: B60K5/02
Filed: 1924-10-29
Abstract: 231,099. Rumpler, E. Oct. 29, 1924. Axles and axle structures; radius rods and torque rods.-In a vehicle having pivoted halfaxle structures, the wheel-driving shafts n have universal joints m in line with the pivots r of the axles, and the engine a is disposed immediately adjacent to the rear axle. The pivoted axle structures may be either (a) axle sleeves t pivoted to the axle casing u, as shown at the right of the Figure, or (b) struts p shown at the left of the Figure and pivoted to the wheel bearing q and the casing u. A second universal joint m may be provided on each wheel-driving shaft.
Patent GB-1217685-A (GB)
Title: Improvements in or relating to methods and apparatus for sputtering of materials
Inventor: SIGOURNAY NORMAN LOMAS
IPC: C23C14/35
Filed: 1967-06-05
Abstract: 1,217,685. Coating by sputtering. SMITHS INDUSTRIES Ltd. May 31, 1968 [June 5, 1967], No.25874/67. Heading C7F. Material is sputtered from targets 7 on to substrates 10 of e.g. alumina on carriers 11 supported from hooks 8 by forming a plasma in an argon atmosphere between anode 1 and cathode 2, whilst maintaining the targets at a negative potential and controlling the plasma column with electro-magnets 19, 20 arranged with which are windings 25 in such a manner that the magnetic field is transverse to the plasma column and rotates about it. The substrates may first be cleaned by using the anode and cathode to form a glow discharge in an argon atmosphere at a pressure higher than that used for sputtering. A Ni-Cr alloy may be deposited first and then by rotating the targets 7 through 180 degrees, Cu or Au may be deposited on the Ni-Cr. The coatings may be subsequently heated at 150‹C, and etched non-conductive materials may also be deposited particularly when using a R. F. field.
Patent GB-1269205-A (GB)
Title: Gear pumps
Inventor: WALKER LESLIE AUGUSTUS
IPC: F04C2/08
Filed: 1968-05-30
Abstract: 1,269,205. Gear pumps. JOSEPH LUCAS (INDUSTRIES) Ltd. June 11, 1969 [May 30, 1968], No. 25877/68. Heading F1F. [Also in Division C7]. A gear pump includes gears in which the flanks of the gear-teeth have applied thereto a surface coating of silver or other soft metal having a melting point in excess of the operational temperature of the pump. The gears made, e.g. of casehardening nitriding steel hardened and finished in the normal manner have all except the tooth flanks masked before anodically cleansing in an alkaline solution. The gears are then water rinsed, anodically etched in a sulphuric acid solution and again water rinsed. They are then afterwards immersed in a cyanide solution and thinly electroplated with copper, water rinsed and then electroplated with a thin layer of silver having good adhesion with the copper before finally electroplating with a layer of silver having a thickness of 0005 ins. In pumping low viscosity liquids such as petrol at high-pressure and pump speed, it is stated that the soft coating prevents pitting of the gear-teeth and lengthens the life of the gears.
Patent GB-209143-A (GB)
Title: Improvements in or relating to pedestal bearings for colliery tubs
IPC: B61F5/28
Filed: 1922-09-26
Abstract: 209,143. Barker, R. E. Sept. 26, 1922. Vehicle-axle bearings.-In colliery tub pedestal bearings the U-shaped holding down strap a is secured in position in recesses b<1>, b<2> by a washer c and bolt d, so that the axle may be readily removed.
Patent GB-633453-A (GB)
Title: Improvements in and relating to circuit arrangements for delivering intermittently a high peak current
IPC: H03K3/55
Filed: 1947-09-24
Abstract: 633,453. Supply systems for consumption apparatus; electricity supply. CARRUTHERS, R. Sept. 24, 1947, No. 25942. [Class 38 (iv)] [Also in Group XL (c)] Thermionic (and like) control; condenser arrangements.-In a circuit arrangement for providing high current pulses intermittently to an inductive load, e.g. the ejector coil of a synchrotron or the primary winding of a pulse transformer, and comprising a condenser 4 charged from a D.C. source 3 through an inductance 5 and discharged intermittently into the load 6 through a switch 7, such as an ignitron, the time constant of the circuit comprising the inductance 6 is automatically increased whilst the current pulse falls from its maximum value in order to effect a reduction in the magnitude of the reverse voltage normally appearing across the switch 7, by means of a large condenser 10 which is connected through a rectifier, such as an ignition 11, across the condenser 4 such that they are both charged during this period. The condenser 10 is also connected across the condenser 4 through a triode 13 which conducts whilst the voltage across the condenser 4 rises from its maximum negative value to zero and thereby allows the charge in condenser 10 to be returned to the source 3.
Patent GB-483822-A (GB)
Title: Improvements relating to the preparation of materials by flotation
IPC: B03D1/02
Filed: 1936-09-24
Abstract: 483,822. Making cement. CLAYTON, C. E. EVERY-. (Smidth & Co. Aktieselskabet, F. L.) Sept. 24, 1936, No. 26000. [Class 22] Ground cement raw material is separated into two parts, one fine and one coarse, and the fine fraction is subjected to froth-flotation, e.g. to increase the proportion of lime therein. The coarse fraction (A) and the concentrate (B) from the flotation cells may then be mixed to form a composition suitable for burning ; or part of A may be so mixed, the other part being reground with raw material; or A and B may be burned separately to form special cements ; or the arrangements shown in Figs. 3 and 4 may be adopted; or all or part of B may be combined with ground raw starting material or with separated coarse material or with both of these. The fine fraction may be ground again after separation and before flotation. A detailed example is given. Specification 426,423 is referred to.
Patent GB-916175-A (GB)
Title: Improvements in or relating to marking devices
Inventor: NEIL LEONARD RICHARD
IPC: C25F7/00
Filed: 1959-07-29
Abstract: 916,175. Electrolytic marking devices. LECTROETCH (GREAT BRITAIN) Ltd. July 21, 1960 [July 29, 1959], No. 26004/59. Class 41. A hand-held device for marking, e.g., metal sheet, electrolytically consists of an absorbent layer to hold electrolyte retained on the surface of a member 5 by a perforated plate 6. The edges or walls of member 5, e.g. of polythene, are at an angle to the surface 6 and preferably vertical. The perforated plate 6 is connected to a metal ring 4 which is connected to a D.C. source, the other electrode being connected to the workpiece. A piece of absorbent material is placed over the perforated plate 6, then a cloth, held by a rectangular member 10, then a stencil held by member 11. A tubular polythene member 1 contains the electrolyte which passes through the absorbent layers to the stencil, the member 1 being attachedto the member 5 by a spigot 2. The member 5 may be circular instead of rectangular.
Patent GB-297056-A (GB)
Title: Electric regulator
IPC: G05F1/00
Filed: 1928-09-11
Abstract: 297,056. Unzeitig, R. Sept. 13, 1927, [Convention date]. Regulation, automatic.-In electric regulators of the kind in which a resistance is periodically short-circuited by one or more pairs of contacts, one contact K<1>, Fig. 2, of each pair is non- oscillating and is unyieldingly connected to a control member such as the core M of an electromagnet and the other contact K<2> is oscillated by a mechanically or electrically driven stop limiting the movement of the contact K<2> towards the contact K<1>, but not acting on the contact k<2> whilst the short-circuit is closed. The core M may be controlled by a spring g and by an electromagnet M<1> in the circuit regulated, for example, in the circuit of the armature A of a machine, the exciting circuit of which includes resistances W<1>, W<2> intermittently shorted by the contacts K<1> - - K<3>. The stop B may be oscillated by a rotating crank. The electromagnet M<1> is vertically adjustable at T to adjust its spacing from the core M initially and after wear of the contacts K<1> - - K<3>. In a modification employing a single pair of contacts and a single resistance in the exciting circuit, the stop comprises a blade spring oscillated by a rotating eccentric. In a further modification, Fig. 3, resistances w<1> - - w<4> in a lamp circuit are intermittently successively short-circuited by pairs of contacts K<1>, K<2>. The contacts K<1> are all controlled by the solenoid S and the contacts K<2> are oscillated by stops B on a bar oscillated by an electromagnet N, so that one or more pairs of contacts are opened and closed' whilst the remainder are continuously open or in contact. The Specification as open to inspection under Sect. 91 (3) (a), comprises also the use, as control member, of a " temperature-pressure-centrifugal relay " instead of the electromagnet M'. This subject-matter does not appear in the Specification as accepted.