baber/WOPTO huggingface dataset:
Patent GB-1026211-A (GB)
Title: Improvements in or relating to ticket and like printing machines
Inventor: JONES FRANK
IPC: B65H20/04
Filed: 1962-05-31
Abstract: 1,026,211. Feeding webs. TICKOPRES Ltd. May 31, 1963 [May 31, 1962], No. 21071/62. Heading B6B. In a ticket-printing machine having a continuously-rotating printing cylinder 10 and impression roller 12, the strip 17 is stopped when a photo-electric device detects a mark on the strip and started by a switch 52 actuated by a cam 50 rotating with cylinder 10, the actuation occurring just before the type 14 reaches the strip. The marks may be lines of transverse perforations 17a defining ticket lengths, an edge notch in each ticket length or a printed mark on each ticket length. As shown in Fig. 1, the strip is advanced by the nip between continuously rotating roller 20 and friction roller 21 carried on bell-cranks 22 spring-urged to close the nip by springs 33. Switch 52 is normally closed and is in series with a solenoid 31 which when energized pulls the bell-cranks against springs 33 to open the feed-roller nip and stop the feed. Assuming the strip is moving and being printed, when a line of perforations 17a comes between lamp 44 and photo-electric element 47, a signal will be generated to energize solenoid 31 through switch 52 and stop the feed. Just before the type 14 next reaches the strip, switch 52 is momentarily broken to de-energize the solenoid and restore the feed. Modified control circuits are described. As shown in Fig. 6, the strip is advanced by the nips between two sets of rollers 65, 68 fixed to shafts 67, 70 which are caused to rotate in unison by gears 73, 74, the sets being urged together by springs 72. A continuously-rotating gear 77 meshes with a gear 76 rigid with a sleeve 75 connected to shaft 67 by an electromagnetic clutch 79. The other end of the shaft 67 has an electromagnetic brake 82. The clutch and the brake are energized alternately, the photo-electric detector energizing the latter when it senses the perforations and the cylinder switch energizing the former to initiate feed. This arrangement prevents over-run of the strip.
Patent GB-1221216-A (GB)
Title: Locking means for brakes
Inventor: HIGGINS HORATIO LESLIE
IPC: B60T17/16
Filed: 1968-05-03
Abstract: 1,221,216. Brake locking devices. WESTINGHOUSE BRAKE & SIGNAL CO. Ltd. 15 April, 1969 [3 May, 1968], No. 21139/68. Heading F2F. Locking means for locking a brake against movement away from its " brake-applied " position, comprises a member 1 which is movable with the brake as the brake is moved to and from its " brake-applied " position and by which the brake can be locked against movement away from its " brake-applied " position by locking of the member against corresponding movement thereof, and clutch means having a fixed clutch face 4 engageable with a clutch face 5 carried by a nut 3 rotatably mounted on and threadedly engaged with the member 1. The clutch means 4, 5 is disengaged by the application thereto of a fluid pressure to free the member for movement with the brake and engaged by release therefrom of the fluid pressure to lock the member against said corresponding movement, and there are manual release means 13 by which the clutch can be disengaged, thereby to free the member for movement with the brake even if said fluid pressure is released. As shown, the member 1, movable axially to the right or the left as seen in the Figure, and the fixed clutch face 5 is formed on a housing 6, the latter providing a chamber 10 in which works a piston 9. The manual release comprises a part 14 rotatable relative to the housing and interengaged with a part 12 through complementary-shaped cam faces 15, 16. A spring 22 extends between the part 12 and part 14, and a spring 18 is disposed between the part 14 and the right-hand bearing 7 of the nut 3. Pressure fluid admitted through port 11 causes the piston 9 to move to the right against spring 22, whereby the nut 3 moves along the thread 2, the clutch faces being disengaged and the member 1 being freely movable in either direction. Locking of the brake is effected by releasing the pressure from the chamber 10 to allow the piston and nut to return to the initial positions thereof, the clutch faces 4, 5 engaging and locking the nut against rotation so that the member 1 is prevented from moving away from the " brake applied" position. To release the brake, pressure fluid is again introduced into the chamber 10, and in the event of failure of the fluid supply a tool is inserted into the bore 17 of the part 14 to rotate the latter, whereby the cam faces 15, 16 effect axial movement of that part and the nut to the right to disengage the clutch faces. The locking means may (a) be mounted rearwardly or forwardly of a brakeoperating piston-cylinder device, (b) be integral with the piston-cylinder device, (c) applied to a push-pull rod of a known braking system or, in such a system incorporate a member 1 which constitutes a secondary lever in the system, and (d) be provided with a member 1, Fig. 7, connected to a lever 39 operating a brake 38 through a piston-cylinder device 40.
Patent GB-1345846-A (GB)
Title: Stone trap for combine harvesters
IPC: A01F12/16
Filed: 1972-05-05
Abstract: 1345846 Stone traps for harvesters GLAAS MASCHINENFABRIK GmbH Gebr 5 May 1972 [6 May 1971] 21171/72 Heading A1F A combine harvester has a stone trap comprising a removeable trough 8 located in front of the concave 4 and between the side walls 6 of the harvester frame, by means of two angle irons 7, each attached to one of said walls 6, and a pair of spring biased bolts 13 which are detachable from co-operating holes in said walls, when the handles 16 are moved transversely inwards against the biasing force of the springs 12. The rear wall 9 and the base 10 of the trough from a seal between the front edges of the concave 4 and the conveyor 17 in conjunction with a flexible seating strip 18 attached to the conveyor 17 and resting against the underside of the base 10. In an alternative embodiment the bolts 13 are mounted on the harvester frame and engage the front end of the trough 8, from which they are detached by an operator on the outside of the harvester's frame.
Patent GB-1516047-A (GB)
Title: Polymeric laminate film and method of preparing it
IPC: B29C71/04
Filed: 1976-05-21
Abstract: 1516047 Laminated films W R GRACE & CO 21 May 1976 [22 May 1975] 21198/76 Heading B5N A polymeric laminated film comprising at least two cross-linked polymeric layers, one of which is cross-linked to a greater extent than the other may be made by irradiating a laminate film comprising at least a layer (1) of a polymer which has undergone cross-linking and (2) a layer of an irradiation cross-linkable polymer. A preferred film comprises at least two crosslinked alpha-monoolefin polymer layers, at least one such layer, e.g. of polyethylene or ethylenevinyl acetate copolymer being cross-linked to a greater extent than any other, and, intermediate two such layers a barrier layer of a vinylidene chloride polymer or an ethylenevinyl alcohol copolymer, the lesser cross-linked layer being preferably a blend of polybutene-1 with an ethylene-propylene copolymer. Extrusion techniques may be used on the formation of the film which may be tubular and may also be stretched.
Patent GB-614493-A (GB)
Title: Improvements in or relating to devices comprising electric gas-discharge tubes
IPC: H05B41/22
Filed: 1946-07-16
Abstract: 614,493. Supply systems for space discharge apparatus. PHILIPS LAMPS, Ltd. July 16, 1946, No. 21228. Convention date, Sept. 17, 1942. Drawings to Specification. [Class 38 (iv)] A discharge tube comprising two main electrodes and one auxiliary electrode is supplied through two identical lamp holders, each having two contacts. To enable the tube to operate in any of four alternative positions, a contact in each holder for the auxiliary electrode is connected to the contact for the main electrode in the other holder. Two identical double contact caps may be provided on the tube by making an auxiliary contact piece a dummy.
Patent GB-1421427-A (GB)
Title: Automatic document handler
IPC: G03G15/00
Filed: 1973-05-04
Abstract: 1421427 Feeding and delivering sheets XEROX CORP 4 May 1973 [8 May 1972] 21260/73 Heading B8R This Specification describes the apparatus which is described in Specification 1,421,425 but the claims are directed to the means for moving the documents on to and off the light transparent platen. As shown a transport belt 230 is supported by drive and idler roller pair 231, 232 respectively such that its lower run is spaced slightly from the surface of the platen 6. Pressure roller 242 supported in pivot arms 243 forces a portion of the belt adjacent register stop 22 into contact with the platen to provide a drive nip for documents. The belt assembly 20 is pivotal about the axis of shaft 157 for access to the platen. Adjustment means 241 permit variation of the spacing between belt and platen. Spring locks 240 releasably retain the platen transport in a closed position.
Patent GB-1304917-A (GB)
IPC: B65G47/26
Filed: 1970-05-04
Abstract: 1304917 Roller conveyers ERMANCO Inc and GENERAL LOGISTICS CORP 4 May 1970 [5 May 1969] 21316/70 Heading B8A An arrangement on a roller conveyer for accumulating articles by braking a set of rollers 10 upstream of a point at which a conveyed article depresses a trigger roller 23, comprises a sprag 21 actuated by a link 25 connected to a lever of the trigger roller, to engage a key 20 on a sleeve 13 which is frictionally driven by a power shaft extending therethrough and which frictionally drives pulleys 16 thereon, the latter driving the rollers 10 through endless resilient belts 18. The power shaft continues to rotate during the sleeve braking operation. In the embodiment of Fig. 8 (not shown) the belt driving pulleys are formed by grooves in the sleeve. In the embodiment of Figs. 10, 11 (not shown) the sprag is formed integral with the trigger roller lever and engages a key on a part of the grooved sleeve which extends to the downstream end of the next succeeding downstream set of braking rollers. The sleeve is carried by a pivot shaft instead of the power shaft, the rollers being driven from a separate power shaft through friction pulleys and further belts. The sprag may be movable axially of the rollers to unbrake the same whilst the trigger roller is still depressed. In a further embodiment, Fig. 15 (not shown), each sprag is mounted on the frame of a trigger roller such that both the trigger roller at the downstream end of the set of rollers to be braked and the trigger roller at the downstream end of the next succeeding downstream set of rollers to be braked have to be depressed before any braking can occur. In all the above embodiments, the trigger rollers may be situated midway along braking sets of rollers and the arrangement may be applied to a gravity system where no power drive is provided.
Patent GB-947554-A (GB)
Title: Improvements in and relating to the equipment for cleaning hydraulic sugar-beet conveying devices used in sugar refineries
IPC: B65G53/02
Filed: 1962-06-01
Abstract: The trough 1 of a hydraulic sugar-beet conveying device is cleaned by automatically injecting water under pressure through nozzles 5 into a stream of water, sugar-beet, stones and earth at an adjustable rate, successively at several points distributed along the length of the trough 1.  The water injection is controlled by actuated valves, and the injection may take place at two successive points at once, for overlapping durations.  The water injectors may take the form shown in Fig. 5. <PICT:0947554/C3/1> <PICT:0947554/C3/2>
Patent GB-460445-A (GB)
Title: Improvements in or relating to cathode-ray tubes and the like
IPC: H01J29/96
Filed: 1935-07-27
Abstract: 460,445. Cathode-ray tubes. BAIRD TELEVISION, Ltd., and SZEGHO, C. July 27, 1935, Nos. 21349/35 and 14865/36. [Class 39 (i)] A cathode-ray tube comprises within its envelope a thermionic diode rectifier. As shown, the cathode 6 of the cathode-ray tube forms the anode of the diode, and is coated on the side facing the anode 3 with electron emitting material and on the side facing the diode filament 1 with amorphous carbon. The cathode 6 is heated by radiation from the filament 1 or by electron bombardment. The anode 3 is connected with the cathode 6 through a resistance 4 shunted by a smoothing condenser 5, and with the filament 1 through the secondary of a transformer 2. In a modification the diode electrodes are separate from the cathoderay electrodes, the cathode-ray cathode being connected through a transformer secondary with the anode of the diode and through a resistance shunted by a condenser with the diode filament, the cathode-ray anode being connected directly with the diode filament.
Patent GB-316181-A (GB)
Title: Improvements in or relating to centrifugal separator bowls
IPC: B04B1/04
Filed: 1929-07-11
Abstract: 316,181. Aktiebolaget Separator. July 24, 1928, [Convention date]. Density separators.-A centrifugal bowl has two series of outlets 7, 11 for the heavy and light constituents respectively. Elements' 8 are arranged in the path of the light constituent so that it travels inwardly over their outer surfaces and then outwardly over their inner surfaces to the discharge outlets 11. The elements 8 may be of channel form with upturned edges 9 and their lower inner edges are concentric with the bowl. The heavy constituent passes through channels 6 to the outlets 7. In another form the elements 8 are replaced by the frustum of an inverted cone with openings in the lower part for the passage of the separated light constituent.
Patent GB-297927-A (GB)
Title: Rapid process for the automatic production of inspissated sugar fruits
IPC: A23B7/08
Filed: 1927-08-15
Abstract: 297,927. Gernhardt, B. Aug. 15, 1927. Coating confectioners' goods.-In the production of crystallized fruits, the fruit is stewed with water in a closed vessel and is then treated in the same vessel, under high pressure of carbon dioxide, with a sugar solution containing 66 per cent by weight of sugar and formed by dissolving sugar in cold water. The fruits are placed in sieves 6 within the vessel 1 and the stewing water is warmed in a steam heater 17. The sugar solution is prepared in a tank 45 and supplied through a pipe 44. Fresh water can be passed into the vessel 1 through a pipe 43. The carbon dioxide is stored in a container 19 and introduced through pipes 20. A pump 41 actuated by a motor 42 is adapted to create suction in a tank 36 for drawing the sugar solution periodically from the vessel 1 through a pipe 22, and when the solution in the tank lifts an arm 34 and float 35 to the horizontal position indicated a motor 29 is actuated to stop the motor 42, to close the pipes 40, 22, and to open the pipes 20, 21 so that the solution returns to the vessel 1 and carbon dioxide is again admitted. When the float 35 reaches its lowest position in the tank 36 the motor 29 is not immediately operated in the reverse direction but so soon as a time switch completes the circuit. If invertsugar solution is used it can be pumped over directly by the employment of a liquid pump connected up to a branch tube 47 and a valve 46.
Patent GB-663995-A (GB)
Title: Improvements in or relating to electric accumulators
IPC: H01M50/627
Filed: 1949-08-17
Abstract: 663,995. Batteries. OLDHAM & SON, Ltd., and MARTIN, J. R. July 13, 1950 [Aug. 17, 1949], No. 21431/49. Class 53. The filling-tube 3 of an accumulator is closed by a stopper 10 which is pressed downwards by a rubber or other resilient washer 13 surrounding a fixed pin 11 about which the stopper can be rotated. The pin 11 carries a fixed nut 14 and washer 15 or other abutment against which the washer 13 presses. The stopper is fitted with a resilient pad 24 which closes a gas vent 18 when the stopper is rotated to open the filling tube. A vent 25 may also be provided in the stopper.
Patent GB-358980-A (GB)
Title: Process for working up crude cellulose ester solutions
IPC: C08B3/28
Filed: 1930-07-16
Abstract: Crude solutions of fatty acid esters of cellulose obtained by the acylation of cellulose in the presence of solvents insoluble in water, for example chlorinated hydrocarbons, are worked up by firstly partially deacidifying the crude solution as by extraction with small amounts of water, and then forcing into water while maintaining a large surface of contact, the temperature of the water lying above the boiling point of the azeotropic mixture of solvent, water, and acid.  The crude solution may itself be heated during precipitation, which may take place under reduced pressure. In examples, (1) a reaction mixture of cellulose acetate prepared in the presence of ethylene chloride is extracted twice with water so that the residue contains only 30-50 per cent of the original acetic acid and is forced through a sieve into water at 85 DEG  C. The cellulose ester is precipitated in a flaky, porous form.  (2) A reaction mixture of cellulose acetobutyrate containing methylene chloride is extracted as above and forced into water at 50 DEG  C. Specification 337,366, [Class 2 (ii), Cellulose &c.], is referred to.
Patent GB-689956-A (GB)
Title: Improvements in or relating to apparatus for cleaning air filters
IPC: F24F13/28
Filed: 1951-09-13
Abstract: 689,956. Air filters. BAHNSON CO. Sept. 13, 1951 [April 18, 1951], No. 21543/51. Class 8 (ii). A flat reticulated air filter screen 56 Fig. 2 is cleaned of lint by a scraper blade 69 extending transversely of and parallel to the screen and mounted for pivotal movement about a longitudinal axis into and out of contact with the screen surface, the blade 69 being traversed up and down by an endless chain 78, or belt unidirectional drive extending parallel to the screen through a crank arm 95 Fig. 4 having one end secured thereto and its other end 96 pivoted to the chain 78 whereby angular movement of the blade about its longitudinal axis is provided each time the pivotal connection 96 between the crank arm 95 and the chain 78 passes from one flight of the chain to the other. The blade 69 is of rubber and is secured to a metal bar 68 welded to blocks 65, 66 from which project shafts 63, 64 secured by torsion springs 61, 62 to shafts 59, 60 mounted in slide blocks 57, 58. The shaft 60 also carries a crank 97 pivoted to a chain 92 which is driven indirectly from a motor 74 driving the chain 78. The springs 61, 62 load the blade 69 and hence the strip of screen being cleaned against a backing plate 71, and a trap chamber 73 for any lint not removed by the blade 69 is formed by a trailing blade 72. Cleaned off lint falls into a receptacle 51.
Patent GB-1096069-A (GB)
Title: Method of treating semi-conductor devices or components
IPC: H01L21/316
Filed: 1966-05-16
Abstract: 1,096,069. Semi-conductor devices. HUGHES AIRCRAFT CO. May 16, 1966 [June 8, 1965], No. 21561/66. Heading H1K. The manufacture of a semiconductor device consisting of an oxide-coated semi-conductor body enclosed in a glass envelope includes the step of heating the body after formation of its PN junction or junctions, and/or the envelope, in an atmosphere containing phosphorus pentoxide or arsenic trioxide or phosphorus oxychloride. Such heat treatment is stated to improve the high-voltage hightemperature performance of the completed device. The device of Fig. 1 is silicon diode whose electrodes 6, 12 are bonded to the metallic end caps 26, 28 of a housing whose body 24 is of glass. The diode is formed by a conventional diffusion process which leaves an oxide layer 10 on the surface containing the PN junction 16. The heat treatment takes place in a chamber (Fig. 5, not shown) before the device is assembled in its housing. Into the chamber are placed the glass portions 24 of each device housing and/or the semi-conductor bodies at the stage when the junction 16 and oxide layer 10 have been formed but before the electrode 12 is applied. At this stage a plurality of the diodes may be in a single body, which is diced subsequently. The treatment temperature is 400-500 C. After such treatment of the semi-conductor bodies a second oxide layer 18 is formed (by heating to a higher temperature in the same chamber or by decomposition of oxide-forming material at a lower temperature in a separate chamber) and the electrode 12 formed. After treatment, the diode is mounted on the end cap 26, the glass body 24 is placed around it, the end cap 22 is placed on that and the whole device heated to a temperature at which the glass becomes plastic; this seals the glass to the caps and brings the cap 28 into contact with the electrode 12 which becomes bonded to it. A weight may be applied to the cap 22 to facilitate this final stage of assembly.
Patent GB-1286342-A (GB)
Title: Improvements in or relating to bodies of ferromagnetic material
Inventor: SCOTTER DENNIS GEORGE
IPC: H03G11/00
Filed: 1970-05-05
Abstract: 1286342 Magnetic materials; microwave limiters GENERAL ELECTRIC CO Ltd 5 May 1971 (5 May 1970] 21600/70 Headings HlH and HlW A unitary body of crystalline ferromagnetic material contains grains of different sizes which exhibit other than a simple log normal distribution about their mean, such that when disposed along an electromagnetic signal transmission path, e.g. a waveguide or conductor transmission line, the power transmitted through the device is limited, in presence of a steady magnetic field, over a greater range of applied signal power than if the material contained only grains of the same nominal size, i.e. grains whose sizes do show a simple log normal distribution about the mean of their sizes. The body may be made by seeding to promote grain growth during sintering, or by maintaining a temperature differential across a dimension of the body during sintering to alter the concentrations of grains of similar size. In one process, a compact of yttrium oxide and ferric oxide powders is crushed, ball-milled, sieved and packed into a latex bag dusted on its inner surface with talc, as a seed. The bag is compressed isostatically and the compacted powder is sintered at 1400 -  1500‹ C. for 2 hours in air to form a rod-shaped body. In another embodiment, the talc, 0-02% by wt., is added to the powdered oxides during an additional ball-milling. In a further embodiment the relative concentrations of grains of different sizes is changed along the length of the body by maintaining a temperature difference of e.g., 80‹ C. between the two ends during sintering. Usually, the end of the body containing the higher concentration of smaller size grains is arranged to be nearer the input end of the device. When the body is made of yttrium iron garnet, it must contain grains below about 10 Ám nominal size, which is stated to be a critical value above which limiting action is initiated at the same power level independently of grain size. A microwave limiting device of the absorption type (Fig. 1) contains a doublewedge shaped body 2 of ferromagnetic material extending right across the waveguide.