baber/WOPTO huggingface dataset:
Patent GB-227930-A (GB)
Title: Improvements in or relating to electric protective arrangements
IPC: H02H7/26
Filed: 1923-10-26
Abstract: 227,930. Reyrolle & Co., Ltd., A., and Leeson, B. H. Oct. 26, 1923. Protective arrangements. - In order to indicate the faulty feeder in a split-conductor system, the relay which trips out the parallel feeders is provided with a polarizing winding to give a directional movement to its movable member, depending on the direction of the flux in the core of the split-conductor transformer. In the polyphase system shown the split conductors C, C<1> are surrounded by a transformer core E- carrying a secondary winding G connected to the relay winding J<1>. The pivoted relay armature J<2> is provided with a polarizing winding J<3> fed from a potential transformer K K' connected across the lines A - - C. The direction of the flux in the core E<2> corresponding to a faulty condition of either feeder causes the arm J<2> to rock in one or other direction so operating bridging contact J<4> or J<5> to energise the circuitbreaker trip coil O. Indicators M M<1> are provided to denote which pair of fixed relay contacts have been bridged and, consequently which feeder is faulty. Before the sound feeder is switched again into the circuit the isolating switch F<1> or F<2> in the faulty feeder is opened and a switch H moved over ,to connect the winding B to an overload relay P.
Patent GB-1066075-A (GB)
Title: Electrophotography
IPC: G03G5/14
Filed: 1964-06-29
Abstract: 1,066,075. Electro-photography. RADIO CORPORATION OF AMERICA. June 29, 1964 [Aug. 12, 1963], No. 26845/64. Heading H1K. An electro-photographic recording element comprises a layer of-an organic thermoplastic photo-conductive electric insulator material the surface of which has minute depressions providing a light scattering surface of frosted appearance. The depressions are made by electronic bombardment with electrons or ions, of the heat softened layer. Tin-oxide coated glass may be coated with a photo-conductive layer of dark resistivity of at least 10<SP>9</SP> ohm. c.m., and light resistivity 10<SP>2</SP> ohm. cm. less, the layer being a resin and a dye intermediate e.g. chlorinated paraffin, P.V.C., vinyl chloride/acetate copolymer with or without oxalic acid, polystyrene, styrene-butadiene copolymer, hydrocarbon resin, acrylates and acrylic copolymer, epoxy resins, or terpene resins, together with specified triphenyl methane dye intermediates. Tricresyl phosphate, butyl phthalyl butyl glycolate, tris (2,3-dibromopropyl) phosphate or di-(2-ethylhexyl) phthalate may be included to aid flexibility. Stabilizers such as pyrocatechol, benzophenone derivatives and organo-tin compounds may also be incorporated. The SnO layer may be replaced by a vacuum deposited metal layer. The light scattering pattern may be a half-tone pattern of lines or dots.
Patent GB-942602-A (GB)
Title: Improvements in or relating to suspensions of traction motors
IPC: B61C9/48
Filed: 1961-07-25
Abstract: 942,602. Supporting motors. SIEMENS & SCHUCKERTWERKE A.G. July 25, 1961 [July 26, 1960], No. 26979/61. Heading B7H. In a resilient suspension for a traction motor in a vehicle wherein the motor is resiliently mounted partly on the driving axle and partly on a frame or bogie of the vehicle, the latter mounting is in the form of a sleeve of rubber 4 engaged with inner and outer members 5, 6 on an axis parallel or substantially parallel to the driving axle. In the construction shown (Fig. 1) secured to the traction motor housing 2 are metal housings 5, each of which surrounds a rubber buffer 4 within which is situated a hollow metal member 6, having conical end surfaces 12, 13. Slotted metal sleeves 10, 11 movable axially in apertures formed in parts 8, 9 of the frame 1 of a vehicle have conical surfaces 14, 15 respectively. A threaded bolt 16 passes through bores in members 10, 6, 11 and may be screwed into the thread of member 18, thus pushing sleeve 10 against member 6, which position is shown in the right-hand part of Fig. 1. A nut 21 may then be screwed on to the end of bolt 16 and tightened, thus forcing surfaces 12, 13 of member 6 into firm contact with surfaces 14, 15 of sleeves 10, 11. In an alternative embodiment two bolts are used which may be screwed into the metallic member 6 at both ends. Each rubber buffer may be vulcanized to the housing 5 and member 6, or, in an alternative form, may be pressed between them, in which case the outer metal housing is made in two parts.
Patent GB-1187196-A (GB)
Title: Improvements in and relating to Apparatus for the Continuous Production of Tubular Bodies of Foamed Materials.
IPC: B29C39/16
Filed: 1968-06-06
Abstract: 1,187,196. Moulding insulating tubes. ELASTOMER A.G. 6 June, 1968 [26 April, 1968], N. 27054/68. Heading B5A. [Also in Division F2] A foamed plastics insulation tube for pipes, comprising foamed polyurethane 23 encased between an outer plastics foil 4 and an inner paper foil 5 and formed with a longitudinal slit moulded through a wall of the tube, is continuously moulded by simultaneously feeding the outer and inner foils through a mould tube 8 provided with an upper longitudinal slit through which extends a fillet 9<SP>1</SP> of a core 9; the foam reactants being introduced from a pipe 19 into a trough formed by the outer foil 4 prior to entering the mould. The fillet 9<SP>1</SP> provides a support for the foils 4, 5 whereby they are drawn through the mould assembly by a pair of roller chain conveyers 18. The mould core 9 is clamped to supports 11, 12 by an adjustable tension from springs 21 and contains a pipe 24 for the return of coolant which is introduced between the pipe 24 and core 9 at the inlet end of the mould. The core 9 is adjustable in the radial direction. A saw 13 introduced through the moulded tube slit forms a longitudinal slit extending substantially throughout the thickness of the opposite wall of the tube, whereby assembly over a pipe is facilitated. The ends of all but one of the foil strips extending beyond the moulded slit are severed by a cutter 14 whereby the remaining foil strip end may be adhesively bonded beyond the slit to secure the insulation around a pipe. The insulation tube is cut to desired lengths by a transversely reciprocating travelling saw 16.
Patent GB-1201194-A (GB)
Title: Method of plating substrates
IPC: H05K3/18
Filed: 1967-06-29
Abstract: 1,201,194. Photographic reversal process and physical development. HONEYWELL Inc. June 29, 1967 [June 29, 1966], No.27086/67. Heading G2C. [Also in Division C7] A substrate of e.g. polyethylene terephthalate, cellulose acetate, p.v.c., polyvinylacetate, polyvinylidene chloride, polyacrylonitrile, paper or cloth, is first coated with a water-permeable gel of e.g. polyvinyl alcohol, vinyl chloride, vinyl acetate, cellulose or gelatine and then with a photo-sensitive layer of a silver compound which is then imagewise exposed, developed, and fixed. The substrate is sensitized with e.g. stannous chloride or a titanium compound, activated with palladium chloride, and then electroless plated with e.g. Ni, Co and alloys thereof, which may include Fe, P or S. Plating occurs in the unexposed areas i.e. those free from metallic silver. Alternatively the photo-sensitive layer is exposed, developed, and the silver image bleached out. The originally unexposed areas are then exposed and developed. Electroless plating then deposits metal on the originally exposed areas. The sensitizing solution may contain stannic ions. The activating and sensitizing materials may be applied together as a colloidal dispersion. The electroless bath may comprise (g/l) 50 COCl 2 . 6H 2 O, 30NiCl 2 . 6H 2 O, 40NaH 2 PO 2 , 50 Rochelle salt, 25NH 4 Cl, and 40 citric acid (temperature 60 to 95‹C., pH7À2 to 10À0).
Patent GB-855501-A (GB)
Title: Improvements in the conversion of oils, their fractions or residues with amounts of oxygen insufficient for complete combustion to form gases containing carbon monoxide and hydrogen
IPC: C01B3/38
Filed: 1957-08-29
Abstract: 855,501. Combustible gases. BADISCHE ANILIN- & SODA-FABRIK A.G. Aug. 29, 1957 [Sept. 8, 1956], No. 27207/57. Drawings to Specification. Class 55 (2). In a process wherein gases containing carbon monoxide and hydrogen are produced by partial combustion of oils, their fractions or residues, or bars and pitches containing non-vaporizable residues, the starting material is first converted by a thermal treatment into a vaporous and/or a vaporizable fraction and a non-vaporizable fraction and the non-vaporizable fraction is reacted with oxygen, optionally in the presence of steam and/or carbon dioxide, to form a hot carrier gas into which the vaporous and/or vaporizable fraction is introduced, the mixture being led into a fluidized layer of a catalyst at a temperature between 700 and 1200 C., preferably between 800 and 1000 C., without the supply of external heat. Suitable catalysts are elements of the 8th group of the Periodic Table, especially nickel, associated with refractory porous materials such as magnesite, chamotte or other siliceous materials. Compounds of elements of the 1st and/or the 2nd group of the Periodic Table and/or of the metals of the iron group may be introduced into the zone where the non-vaporizable fraction is being reacted to inhibit the formation of carbon black. The thermal treatment of the first stage may be a distillation, if necessary in the presence of steam and/or carbon dioxide, at temperatures up to 380 C., or it may be a mild thermal decomposition under pressure at temperatures between 400 and 530  C. In the case of tars and pitches the thermal treatment may be cracking to vaporous products and coke at temperatures between 400 and 600 C. Solid non- vaporizable fractions are preferably ground before being reacted with oxygen. If this fraction amounts to 25% of the initial material the amount of oxygen employed in the second stage is at least sufficient for complete combustion.
Patent GB-1000559-A (GB)
Title: Improvements in and relating to magnetic amplifier circuits
Inventor: JENTSCH WERNER
IPC: H03F9/04
Filed: 1961-07-27
Abstract: 1,000,559. Magnetic amplifiers. LICENTIA PATENT - WERWALTUNGS - G.m.b.H. July 27, 1961, No. 27269/61. Heading H3B. A known push-pull magnetic amplifier, Fig. 1, described as auto-self-excited, comprises two amplifier sections 1, 2 with control windings 1b, 2b. The exciting rectifiers 1a, 2a are biased by a battery 6 so that the forward current through one rectifier is accepted in the reverse direction by the other rectifier. In Fig. 2, two rectified bridges 7, 8 provide separate biasing voltages No. 1, No. 2, applied through resistors 4, 5 to the two amplifier sections 1a, 2a. The rectifier bridges are themselves biased by the output voltages U1, U2 from the amplifier sections. The sum of the bias voltages (Uo 1  + Uo 2 ) is constant, the voltage of the source 11 being split across the primaries of transformers 9, 10 in the same proportion as their input impedances which in turn depend upon the outputs of the amplifier sections 1, 2.
Patent GB-1339686-A (GB)
Title: Food chopers
IPC: A47J43/046
Filed: 1972-06-12
Abstract: 1339686 Food mixers MOULINEX SA 12 June 1972 [17 June 1971] 27370/72 Heading B1C In a mixing and chopping apparatus for foodstuffs the knives 3 are mounted on a detachable sleeve 4 secured to the shaft 5 by a locking device 7. The cover 2 has a finger 11 the end 12 of which is, in the working position 12', a short distance e from the top 13 of the sleeve 4 to act as a safety device in the event of failure of the locking device 7. The finger may be rigid as shown or resilent, see Fig. 2 (not shown). The driving motor 6 has two switches as at 8 operated by downward pressure on the cover 2.
Patent GB-1537230-A (GB)
Title: Sealing glass pastes
IPC: C03C3/14
Filed: 1975-10-22
Abstract: 1537230 Sealing composition OWENSILLINOIS Inc 22 Oct 1975 [22 Oct 1974] 27516/78 Divided out of 1535049 Heading C1M A paste for use in sealing together two glass surfaces (e.g. the face plate and funnel portion of a colour TV tube) comprises: (A) a sealing composition comprising a lead oxide-containing glass frit and a powder additive which prevents reduction of the PbO during sealing under reducing conditions, the additive being (1) KNO 3 ; (2) H 3 BO 3 ; (3) an inorganic hydroxide which thermally decomposes at below the sealing temperature (which may be 400- 460‹ C.), e.g. Mg(OH) 2 ; or (4) an inorganic pyrosulphate or peroxysulphate (e.g. K 2 S 2 O 7  or K 2 S 2 O 8 ); (B) hydroxypropyl cellulose (preferably with nitrocellulose) as binder; and (C) a solvent for the binder (e.g. amyl acetate and/or ethylene glycol methyl ether). Reference has been directed by the Comptroller to Specification 1434222.
Patent GB-1210582-A (GB)
Title: Orientation device for space vehicles
Inventor: WANGER ROBERT PRICE
IPC: B64G1/26
Filed: 1968-06-10
Abstract: 1,210,582. Space vehicles. GENERAL ELECTRIC CO. 10 June, 1968 [13 July, 1967], No. 27534/68. Heading B7N. [Also in Divisions G3 and H4] A space vehicle comprises a body 10 stabilized by a gravity-actuated system, the stabilizing system comprising a rod 40, attached to the plate 36 at one end and a damper 42 at the other, attitude sensors 14, 16, 18, 20 and a powered torquer 22 joining the body and the stabilizing system and operatively connected to the attitude sensors to displace the rod 40 and damper 42 angularly with respect to the vehicle body responsively to, and in the direction of the attitude deviation of, the vehicle, whereby the deviation is corrected. The sensors respond to infra-red radiation from the earth, and are arranged such that each sensor views part of the earth and a part of space, when the vehicle is properly orientated with respect to the earth each receives the same amount of radiation; devices may be provided to prevent erroneous readings caused by the sun. The device 22, comprising two connected shafts at right-angles 28 (30) (Fig. 2, not shown), two bimetallic spirals 32, 34 attached to the plate 36 and the shaft (30), and two bimetallic spirals 24, 26 attached to the body and the ends of shaft 28. Amplifiers 44, 46, 48, 50 attached to sensors 14, 16, 18, 20 and spirals 24, 26, 32, 34, respectively produce voltages to heat the spirals; when the temperature of opposite spirals is changed by the same amount they produce equal and opposite torques and the shaft is not turned, if a temperature difference exists between opposite spirals the shaft is caused to turn; and the plate 36 may lift.
Patent GB-191824-A (GB)
Title: Improvements relating to vapour lamps
IPC: F23D99/00
Filed: 1921-10-17
Abstract: 191,824. Richardson, C. V. Oct. 17, 1921. Atmospheric vapour burners.-An adaptor for converting a vapour stove of the kind in which liquid hydrocarbon is forced under pressure through a vaporizer surrounding the mixing-tube into a lamp for illuminating purposes, comprises a metal or other sleeve a, adapted, on removing the burner cap and the inner ring, which surrounds the upper end of the mixing-tube, to fit within, or without, a perforated ring b. A transversely disposed deflector c, conveniently formed of a metal strip slightly less in width than the diameter of the mixing-tube, is fitted to the sleeve by passing its ends through slots in the sleeve and folding them over. Lugs e, formed by cutting and bending parts of the upper edge of the sleeve, act as supports for the protruding parts h of the supporting ring of an inverted incandescent mantle f. The adaptor may be provided with air holes.
Patent GB-226648-A (GB)
Title: Improvement in automatic weighing scales
IPC: G01G1/00
Filed: 1923-11-03
Abstract: 226,648. Mattocks, J. H. Nov. 3, 1923. Computing - apparatus; pendulum - weight apparatus. - An automatic weighing-scale comprises a pivoted beam carrying a pan and having a free end extending into a flat disc-like casing erected in edge-abutting halves from a base member, bearings in the casing to support a spindle on which is mounted a disc capable of complete rotation in the casing, means to adjust the balance of the disc, a pinion fixed to the spindle and a rack extending from the beam into engagement with the pinion, a counterbalance device at one or both ends of the beam, windows in the casing for viewing the rotatable disc at or near its periphery, and weight graduations completely round the disc adapted to be read against a fixed reading hair. The dial 8 bearing near the periphery weight graduations, with or without price graduations, is rotated by a rack 13 attached to the weigh beam 4. The movement is controlled by a pendulum 15 connected to the beam by a flexible band 17. The balance of the dial is adjusted by weights A slidable radially on the dial by means of adjusting screws. The casing 8 consists of two flat disclike portions abutting at the edges. A movable shield 21 facilitates access to the interior.
Patent GB-491472-A (GB)
Title: Improvements in the process of separation, by flotation, of ammonium chloride from its mixtures with alkali metal salts
IPC: C01C1/16
Filed: 1937-10-13
Abstract: In separating ammonium chloride from its mixtures with alkali metal salts by processes in which the mixture of salts is formed by double decomposition between an alkali metal chloride and one or more salts of ammonium in a mother liquor resulting from a previous operation and is then subjected to a flotation operation by which the constituents of the mixture are separated, there is effected at a suitable stage in the cycle, a purification of the mother-liquor in order to remove wholly or partially any soluble salts other than those of alkali metals or ammonium which they may contain. Preferably the purification is effected by precipitation, alkaline earth metal salts being precipitated by means of alkali metal carbonate or oxalic acid and, if present, magnesium salts being eliminated concurrently by precipitation by means of di-ammonium phosphate and heavy metal salts, e.g. nickel salts, by means of alkali metal sulphide.  It is advisable to ensure that the amount of precipitants added is somewhat less and not more than is necessary to precipitate completely the impurities.  It is preferable to purify the mother liquor before it is used as a medium for the double decomposition although the purification may also be effected after the double decomposition and before the flotation step.  Examples relate to the preparation of ammonium chloride and sodium nitrate or potassium nitrate by double decomposition of the reciprocal salt pair, the flotation step being effected by the addition of gas oil, the preparation of ammonium chloride and sodium nitrate by double decomposition between the reciprocal salt pair, the flotation operation being effected in a set of six foam-flotation vats using stearic acid dissolved in a hydrocarbon as the flotation reagent, and the preparation of ammonium chloride and potassium nitrate by double decomposition between the reciprocal salt pair, the flotation operation being effected in a set of six foam-flotation vats using naphthenic acid as the flotation reagent.
Patent GB-1509656-A (GB)
Title: Quick cooling pressure cooker system
IPC: A23L3/10
Filed: 1976-07-05
Abstract: 1509656 Heat treatment BALL CORP 5 July 1976 27931/76 Heading A2D [Also in Division B1] Food in glass containers loosely sealed with a lid is subjected to steam under pressure in a confined volume for a time; the application of steam is then terminated; and a stream of cooling water is then directed on at least some of the lids while preventing the stream from being directed squarely on the glass containers. As shown, an autoclave 10 (Fig. 1) is fitted with an inlet 22 for steam, an inlet 35 for cooling water and an outlet 20. The inlet 35 is connected to a distribution system 45 (Fig. 2) on the underside of the lid comprising a ring 51 of tubing pierced with holes 53. Marks or locking devices on the lid, the body and the container of jars ensure that each hole is above the lid of a jar.
Patent GB-1401192-A (GB)
Title: Automatic testing systems
IPC: G01R31/319
Filed: 1972-06-15
Abstract: 1401192 Testing electrical circuits INSTRUMENTATION ENG Inc 15 June 1972 [15 June 1971] 27967/72 Heading G1U A programmable circuit testing system comprises a plurality of terminals T 1 -T n  Fig. 3 to which may be connected (i) terminals of the unit under test 10 Fig. 2 and (ii) signal source, power supply, load and measurement devices 16, 18, 29 and an arrangement for establishing any desired inter-connections between these terminals, comprising a plurality of bus-bars 25 and a switching network 14, Fig. 2; 45/46, Fig. 3 capable of connecting any terminal to any bus-bar. The interconnections to be set up are determined by a computer in response to a test program. Inter-connecting arrangement For each terminal T 1 -T n  there is provided a number of pairs of low breaking capacity relay contacts 40, Fig. 3 for connecting a pair of adjacent bus-bars 25 to respective intermediate nodes 41, and two high breaking capacity contacts 43 which select the appropriate node. (For a Kelvin-type measurement, both contacts 43 will be operated to connect two bus-bars to one terminal). The relays themselves 45, 46, Fig. 8 are controlled by gates 89-91 which only actuate a particular relay on receipt of both (i) a signal identifying the particular bus-bar pair or intermediate-node designation (which signal is applied to all gates associated with that bus-bar pair or designation), and (ii) tens and units signals together identifying the particular terminal (which signals are applied to all gates associated with that terminal). Programming and control system The sequence of tests to be carried out is entered (302), Fig. 2A, (not shown) into the computer in programming-language form and then compiled (307) into a hybrid object code. During execution of the test program calls are made to individual test routines stored in the computer. To establish a particular inter-connection required by the program, a memory of existing connections to the bus-bars is scanned to find an available bus, one group of bus-bars being given preference over another depending on whether the connection is for a power supply or a low-power signal. Having identified an available bus, the bus-bar pair and intermediate-node designation signals are derived for application to the relay gates. The terminal identifying signals are developed in a matrix network.
Patent GB-263269-A (GB)
Title: Improvements in retort furnaces
IPC: F23D99/00
Filed: 1925-11-06
Abstract: 263,269. Carr, W. M., Toogood, H. J., and Dempster & Sons, Ltd., R. Nov. 6, 1925. Combustion products, returning to furnaces.- A retort furnace a is heated by gas from the retorts mixed with waste gases which are led from a flue b over a waste heat boiler f and then drawn by a fan h through a dust trap and cooler i and delivered to a gas mixer g to which the coal gas is also supplied through a pipe d. The mixture passes to the main c. A producer gas connection may be provided at j and waste gas may be led from the flue b to mix with the gases leaving the boiler by means of a by-pass pipe e.