baber/WOPTO huggingface dataset:
Patent GB-871960-A (GB)
Title: Improvements in or relating to multiformat arrangements in roll film cameras
IPC: G03B1/66
Filed: 1957-10-14
Abstract: 871,960. Photographic roll-film cameras. HEIDECKE, R., and FRANKE, H., [trading as FRANKE & HEIDECKE FABRIK PHOTOGR. PRAZISIONS - APPARATE]. Oct. 14, 1957 [March 9, 1957], No. 31995/57. Class 98(1) The film feed of a roll-film camera is adapted for different picture heights by replacing an interchangeable part of a film wind lock including notched discs driven by the film and co-operating with means to lock the film wind mechanism. As shown, the interchangeable unit includes locking discs 16, 17, hub 5, counter disc 7 and cover plate 3. Nose 23 of lever 21 pivoted at 22 locks the film wind wheel 24 when end 20 enters notches in discs 16, 17. The discs are rotated together with hub 5 about bearing 5a by teeth 9 meshing with gear 10 driven by film metering wheel 11. Disc 16 is fast with hub 5 and disc 17 rotatably mounted on collar 19 thereof. Spring 31 moves disc 17 as far as slot 18 co-operating with pin 15 of disc 16 will allow so that arm 20 first engages a notch of disc 17 and continued film-winding hereafter turns disc 17 relatively to disc 16 until a pair of notches coincide and locking is completed. End 30 of a return spring 12 is secured in hole 34 of disc 35 which is held against rotation by forked arm 36 engaging pin 28 on plate 3. The other end 13 of spring 12 is fastened to a pin in hub 5 so that on releasing metering wheel 11 (for example on opening the camera back) or on disengaging teeth 9 from wheel 10, discs 7, 16 and 17 are rotated until pin 15 strikes arm 36 and zero is opposite window 14.
Patent GB-1459080-A (GB)
Title: Purification of alkali carbonate containing a fluorine compound
IPC: C01D7/26
Filed: 1975-07-31
Abstract: 1459080 Purification of alkali carbonates TOYO SODA MFG CO Ltd 31 July 1975 [16 Nov 1974] 32108/75 Heading C1A Crude alkali carbonates, which term includes bicarbonates, sesquicarbonates and mixtures thereof, containing a fluorine compound as impurity are purified by dissolving the carbonate in an aqueous solution of magnesium bicarbonate and removing the resulting flocculated precipitate. Natural soda, containing from 0À01 to 10 wt. per cent F, is a typical raw material which may be treated preferably in a solution from 5 wt. per cent to saturation of the alkali carbonate. The Mg(HCO 3 ) 2  which may be prepared by feeding CO 2  through an aqueous suspension of MgO, MgCO 3  or Mg(OH) 2  may be used in concentration from 0À05 to 5 wt. per cent Mg based on the total solution weight after addition. The aqueous solution of alkali carbonate separated from the precipitate may be heated with or without the addition of an alkaline material to convert any remaining Mg(HCO 3 ) 2  to a water insoluble Mg compound which is subsequently removed from solution.
Patent GB-322277-A (GB)
Abstract: 322,277. Johnson, J. Y., (I. G. Farbenindustrie Akt.-Ges.). Oct. 5, 1928. Halogenated N-dihydro-1 : 2 : 2<1>: 1<1>-anthraquinoneazines are made by treating 1 : 2 : 2<1> : 11- anthraquinoneazine with hydrohalic acids or their salts in sulphuric acid containing water, preferably in sulphuric acid of 50 to 80 per cent strength. The pure azine, such as is obtainable by the process of Specification 320,397, is advantageously employed, and in this case the manufacture of the pure azine and its halogenation may be carried out in one operation. In examples, (1) the ordinary 1 : 2 : 2<1> : 1<1>-anthraquinoneazine is suspended in 60 per cent sulphuric acid and treated with a saturated solution of common salt; (2) Indanthrene blue R.S. is treated with manganese dioxide in concentrated sulphuric acid, and, after adjusting the strength of the acid, a solution of sodium chloride or bromide is run into the reaction liquor; and (3) pure N-dihydro-1 : 2 : 2' : 1<1>-anthraquinoneazine, such as is obtainable by the process of Specification 184,193, is dissolved in concentrated sulphuric acid, oxidized with manganese dioxide, and the resulting mass is diluted and treated with hydrochloric acid.
Patent GB-502124-A (GB)
Title: Improvements in or relating to light reflectors
IPC: G02B5/126
Filed: 1937-11-23
Abstract: 502,124. Reflectors. ALLAN MANUFACTURING CO., Ltd., and COHEN, A. Nov. 23, 1937, No. 32245. [Class 97 (i)] A reflector of cluster type for use on a bicycle or as a road warning sign &c. has a number of substantially hemispherical projections 13 on its front surface around a central fixing aperture 12, and shallower projections 14 on its rear surface which are silvered and protected by a coating 16 of a waterproof cement &c., the coating having a flat outer surface substantially flush with the edge of an annular rim 15 surrounding the projections 14. The said edge is in the same plane as the tips of the projections 14.
Patent GB-1021291-A (GB)
Title: Arrangement for generating cyclic series of electric pulses
Inventor: HENNING HEINZ
IPC: B61L23/16
Filed: 1962-08-22
Abstract: 1,021,291. Block signalling systems. WERK FUR SIGNALUND SICHERUNGSTECHNIK BERLIN VEB. Aug. 22, 1962, No. 32258/62. Heading B7N. In a block signalling system in which pulse signals are applied to the exit end of a block track circuit to set the block entry signal to the required aspect or to reproduce the aspect in a locomotive cab and in which the pulse train signal comprises a transmission period in which a number of pulses, determined by the aspect, are transmitted followed by a silent period of fixed duration, means are provided whereby in the event of a change to a lower safety aspect, which requires a smaller number of pulses per transmission period and the number of pulses transmitted in the current transmission period exceeds this number, for blocking the transmission of pulses for the silent period before transmitting the pulse train corresponding to the new aspect. On switch on time triggers Z1, Z2 set the multi-vibrators A1-A6 of a pulse counting chain and multivibrator Z to their " off " positions. The first pulse from astable multivibrator J1, which is squared by monostable multivibrator J2, switches multivibrator A1 to its " on " position whereby gate U3 is opened by unblocking potentials from X and A1 to pass the first and subsequent pulses in the transmission period to the track circuit. The number of pulses is determined by which switch S1-S5 is operated in dependance on the aspect required, e.g. if switch S5 is operated on the fifth pulse switching counting stage A5 to its " on " position a pulse passes via gates U1 and O1 which triggers multivibrator X to its " on " position in which blocking potential is applied to gate U3 and a differentiated pulse is applied via gate U2 to restore the counting multivibrators to their " off " position. The sixth and seventh pulses now trigger A1 and A2 " on." and the latter multivibrator supplies a pulse via line 1 to trigger X to its "off" position whereby unblocking potential is applied to gate U3 and the counting multivibrators are returned to their "off" positions. The following pulse commences a second transmission of five pulses to the track circuit after a silent period of two pulse cycles. The duration of the silent period may be adjusted by connecting line 1 to, e.g. counting stage A4 if a four-cycle silent period is required. If an aspect corresponding to five pulses per transmission period is being transmitted and a change to an aspect requiring three pulses per period is required, S3 operated, and three or more pulses have been counted into the chain then multivibrator X is immediately switched to its " on " position in which it blocks further transmission for the duration of the silent period, after which the pulse series corresponding to the new aspect is transmitted.
Patent GB-1203518-A (GB)
Title: Self-discharging centrifuges
IPC: B04B11/04
Filed: 1968-07-05
Abstract: 1,203,518. Centrifugal strainer. MIF INDUSTRIES Inc. 5 July, 1968 [5 July, 1967], No. 32358/68. Heading B1D. [Also in Divisions F3 and F4] A centrifugal strainer, used to remove surplus molten metal or quenching liquid from metal objects which have been dipped in a galvanising or quenching bath, has a perforate drum 10 rotatable about a horizontal axis at two speeds, by separate motors (21, 22), the objects being held against the perforate drum wall 11 when the drum rotates fast, but being able to slide down helical ramps 29, integral with the drum, and out through ports 31, when the drum rotates slowly. Thus the objects are discharged merely by altering the speed of the drum, which may be done manually or automatically. Slow speed motor (21) is coupled to the shaft 13 of the drum through a ratchet drive and runs continually, but only drives the shaft when high speed motor (22), coupled thereto by a belt alone, is switched off. Objects are loaded into the drum from a shoot (26), through opening 24. Motor 22 or shaft 13 may be braked, when the drum is decellerated from 700-1000 r.p.m. to 25-60 r.p.m. to discharge objects.
Patent GB-1027120-A (GB)
Title: Injection moulding processes for thermoplastic materials
IPC: B29C45/16
Filed: 1964-08-07
Abstract: 1,027,120. Injection moulding thermoplastic materials. ASAHI-DOW Ltd. Aug. 7, 1964 [Aug. 9, 1963], No. 32360/64. Heading B5A. Part of an article is injection moulded in a cavity between two mould parts 2, 3, at least one spacer 6 is then introduced between these parts and the resulting cavity is filled by injection to form the remainder of the article. The different parts of the article may be of different materials or colours and the article may comprise more than two moulded parts. In addition, the article may incorporate a reinforcement or decorative insert of e.g. fibres, wires, cloth, paper, leaves, flowers, insects, saw dust, glass, metal or shells &c. The article may be a tray, dish, bowl, box, cup or decorative article.
Patent GB-1153921-A (GB)
Title: Bearings
IPC: G01C19/16
Filed: 1966-07-19
Abstract: 1,153,921. Bearings. SPERRY RAND CORP. 19 July, 1966 [22 July, 1965], No. 32367/66. Heading F2A. [Also in Division G1] A bearing 12 comprises inner, intermediate and outer races separated by balls, and means rotating the intermediate member in one direction through a first angle and in the other direction through a second angle different from the first angle. Fig. 5 shows the pulse train supplied to a motor 33, Fig. 4 driving the intermediate race. A predetermined number of reversals of the race, i.e. seven in Fig. 5, comprises a half cycle, alternate half cycles being reversed. In Fig. 4, there are two bearings 12, 13 the intermediate races of which are driven in opposite direction by motor 33. A dual preset counter 15 counts a number of pulses on to channel A while motor 33 operates in one direction and turns the races through a first angle. At the end of counting a pulse triggers flip-flop 30 which actuates relay 31 to reverse the motor 33. Channel B of counter 15 then makes a count and motor 33 is again reversed and a pulse is sent to counter 26. After seven pulses have been received by counter 26, flip-flop 28 is triggered and relay 23 makes counter 16 effective for the next half-cycle. In Fig. 6 (not shown), intermediate races are driven at different speeds.
Patent GB-216808-A (GB)
Title: Improvements in shock absorbers for the springs of motor vehicles and the like
IPC: F16F9/06
Filed: 1923-12-28
Abstract: 216,808. Picco, A. Dec. 28, 1923. Pneumatic springs; fluid-friction vibrationdampers. - A hydropneumatic double-acting shock absorber for the springs of motorvehicles &c. comprises a cylinder 7 connected to a moving part 2 and filled with liquid, and a piston 6 connected to the other moving part 1 and provided with holes 11 for permitting transference of liquid from one' side of the piston to the other, the piston being formed with a hollow stem 5 constituting an air chamber 12 separated from the lower portion 7<1> of the cylinder 7 by an idler piston 12'. The stem 5, externally of the cylinder, is protected by a flexible sleeve 13 and metallic casing 14. The stem 5 and cylinder head 8 are connected to the movable parts by resilient universal joints consisting of eye-bolts 4, 9, and rubber rings &c. 15. When the parts 1, 2 approach each other, the liquid lifts the piston 12<1> and rises within the hollow stem 5 owing to the insufficient volume of the chamber 7<2> and the resistance of the holes 11 to the flow of liquid.
Patent GB-1438670-A (GB)
Title: Apparatus for collecting liquids floating on other liquids
IPC: E02B15/04
Filed: 1973-07-06
Abstract: 1438670 Floating booms OCEAN SYSTEMS INC 6 July 1973 [7 July 1972] 32406/ 73 Heading E1H [Also in Division B1] A floating boom 10 for towing behind a pair of boats to remove e.g. oil from the surface of water comprises a flexible sheet 36 defining an elongate basin, a plurality of weir plates 50 each attached to a pair of floats 18, mounted on the leading edge of sheet 36, each plate 50 having an opening 20 for admitting surface liquid, oil being removed from the basin by suction via secondary weirs 62 located below secondary floats 25 or 60, pipes 28, manifolds 30 and pipes 32. Further floats 22 are located between adjacent floats 18, spacers 38 being mounted between floats 22 and 60. Water is removed from the basin via apertures 40 in the bottom thereof. The trough is terminated by end floats 16, and is connected tow lines 12 via a tension line 44 and bridle lines attached to floats 18, 22.
Patent GB-665089-A (GB)
Title: Improvements in or relating to flow restrictors for refrigeration systems
IPC: F25B41/06
Filed: 1949-12-19
Abstract: 665,089. Regulating volume of flow of fluids. WITTLIN, A. Dec. 19, 1949, No. 32499/49. Class 135. A flow restricter disposed between the evaporator and the condenser of a refrigerating system comprises a copper tube 20 to which are soldered connections 16, 17 and slidably mounting coacting screw-threaded members 28, 33 co-operating with a ferrule 27. On screwing the member 33 into the member 28, the ferrule 27 compresses the tube 20 to reduce its diameter and restrict the flow of the refrigerant to the desired amount.
Patent GB-1040419-A (GB)
Title: Improvements in gas-turbine aircraft engines
IPC: B64C29/00
Filed: 1963-08-16
Abstract: 1,040,419. Gas turbine jet engines. DAIMLER-BENZ A.G. Aug. 16, 1963 [Aug. 18, 1962], No. 32590/63. Heading F1J. [Also in Division B7] A gas turbine aircraft engine adapted to provide a forwardpropulsion jet and a lift jet or jets comprises in combination an axially disposed propulsion jet pipe surrounded by an annular branch duct which in turn is surrounded by an annular air duct, a propulsion gas duct connected with the combustion chamber or chambers and fitted with control means whereby at least part of the propulsion gases may be diverted into the jet pipe or the branch duct, a bent duct or ducts fitted with lift thrust nozzles and in communication with both the branch duct and the annular air duct, and a three-part lift fan comprising a central ring of aerodynamically ineffective spokes disposed within the forward propulsion jet pipe, an intermediate ring of turbine blades which rotate within the annular branch duct and an outer ring of fan blades which rotate within the annular air duct. The engine comprises a compressor 11, combustion chambers 12, turbine 13 and a gas delivery duct 14 located between the combustion chambers and a jet pipe 15. The forward end of the jet pipe is surrounded by an annular branch duct K 2 <SP>1</SP> in turn surrounded by an annular air duct K 1 <SP>11</SP>; K 2 <SP>11</SP>, and hinged flaps 21 are provided for movement between the full-line position, in which exhaust gases pass direct to jet pipe 15, and the dotted line position in which the gases are diverted into the duct K 2 <SP>1</SP>. The annular ducts are associated with the lift system which comprises a forward duct K 1  and a rearward duct K 2  which connect respectively with the portions K 1 <SP>11</SP> and K 2 <SP>11</SP> of the annular air duct and also through elbows K 1 <SP>111</SP> and K 2 <SP>111</SP> with lift nozzles 18 and 19 downwardly and outwardly directed. (Fig. 3, not shown.) Additionally air intake openings controlled by closure devices 26 and 27 admit air to the adjacent ends of the duct portions K 1 <SP>11</SP> and K 2 <SP>11</SP> and on each side of these openings is located a fan constructed as in Fig. 2b, not shown. Spokes 24, shaped to produce no aerodynamic reaction, are positioned within the jet pipe, turbine blades 22 are positioned within the annular branch duct and fan blades 23 are positioned within the annular air duct. When flaps 21 are positioned to direct exhaust gas into the annular branch duct, closure devices 26 are opened to the positions shown and the exhaust gas reacts with blades 22 to drive the fan to draw air through the air intake openings whereby air only is delivered to lift nozzles 18 and a mixture of air and gas to nozzles 19. Reheat apparatus 20 and 28 may be provided. In a further embodiment, one pair of lift nozzles only is provided and air intakes to a single turbo-fan are closed by sliding shutters.
Patent GB-680297-A (GB)
Title: Improvements relating to cyclones for separating solid materials of different specific gravity
IPC: B04C5/081
Filed: 1949-12-21
Abstract: 680,297. Centrifugal separators. COLLIERY ENGINEERING. Ltd., and LAWRIE, A. E. March 20, 1951 [Dec. 21, 1949], No. 32707/49. Class 23 A cyclone comprises a cylindrical metal inlet drum and a conical cyclone chamber of which at least the apex portion is made of glass or metal lined with glass. In a modification the cyclone comprises a "straight through dust separator having an inlet tube h which is co-axially mounted on a metal outlet tube k and spaced therefrom to form a throw-out gap l surrounded by a discharge chamber m. The inlet tube is made of glass or metal lined with glass whilst its guide vanes i and fairing j are made of glass or metal.
Patent GB-398057-A (GB)
Title: Improvements in composition of matter
IPC: C09D5/34
Filed: 1932-11-19
Abstract: A composition of matter for glazing, calking, and pointing, which retains its plasticity for long periods comprises 1-30 per cent of metallic aluminium, about 30 per cent of an oil, 1-50 per cent of a mineral filler, and 20-1 per cent of a fibrous material. The balance is composed of a fluid vehicle for the composition. Suitable mineral fillers are china clay, titanium white, ground shale or slate, silica, barytes, lithopone, fullers earth, soapstone, marble dust, gypsum, white lead, zinc white, and other natural pigments.  Suitable fibrous materials are asbestos, shredded or ground rope or rags. Suitable oils are soya bean oil, linseed oil, perilla oil, cotton-seed oil, olive oil, rapeseed oil, corn oil, castor oil, fish oil, rosin oil, raisin oil, sunflower-seed oil, paraffin oil, wax oil, tung oil, poppy-seed oil, walnut oil, hempseed oil, maize oil, pine oil and oil soap. The preferred composition is whiting 12 parts, magnesium silicate 17 parts, asbestos fibre 5,45 parts, soya bean oil 30,6 parts, varnish 16,2 parts, mineral spirits 9 parts, aluminium powder 9 parts.  It is stated that the aluminium powder comes to the surface and prevents oxidation of the other ingredients.
Patent GB-863561-A (GB)
Title: Improvements relating to inductive windings
Inventor: HIGHTON KEITH RUSSELL
IPC: H01F27/34
Filed: 1958-10-16
Abstract: 863,561. Transformers and inductances. FERRANTI Ltd. Oct. 12, 1959 [Oct. 16, 1958], No. 32986/58. Class 38 (2). To make the series capacitance of a winding large it is formed of one or more groups of turns, each group comprising a first section A, a last section D and an even number of intermediate sections B and C, the windings of the sections spiralling alternately inwards and outwards and cross-connections being so made that a single conductive path is formed passing through alternate turns (1-5) of the first section A, through at least one turn (6-10 and 11-15) of each of the intermediate sections B, C through alternate turns (16-20) of the last section D, back to the first section A through at least one turn (21-24 and 25-28) of the intermediate sections and finally through the remaining turns of each section (29-40). Other arrangements are described in which only one cross-connection is made by cutting and joining the conductors (Figs. 2 and 3, not shown). Each section of the winding may be formed from two single conductors wound with each turn of one adjacent to, but insulated from, at least one turn of the other. According to the Provisional Specification each of the two conductors may be replaced by two or more conductors in parallel and the two sets of parallel conductors interleaved.
Patent GB-294827-A (GB)
Title: Improvements in or relating to incandescent gas burners
IPC: F23D14/30
Filed: 1927-12-06
Abstract: 294,827. Falkner, A. J. Dec. 6, 1927. Incandescent gas burners; gas supply. - A body part 1 is provided with a gas supply conduit 5, a nipple 3, air inlets 7, a rotatable regulator 4, and an outlet 23 to receive the burner nozzle 24. The regulator 4 consists of a plug cutaway at 21 to form a port 22 in a passage 20 having a flared inlet, a peripheral recess 25 opening into the cut-away portion. The bore of the part 1 is preferably grooved at 21<1>. Rotation of the regulator 4 by means of its milled head is limited by means of a screw 27 engaging a groove 28. The nipple 3 is provided with a needle valve 10 having a slot 11 communicating with the conduit 5. The valve 10 engages the screwthreaded end of a rotatable operating rod 12 and is held against rotation by a screw 14 engaging a groove 15.