baber/WOPTO huggingface dataset:
Patent GB-1161351-A (GB)
Title: Improvements in and relating to Semiconductor Devices
Inventor: CASTRUCCI PAUL P
IPC: H01L21/316
Filed: 1967-03-03
Abstract: 1,161,351. Semi-conductor devices. INTERNATIONAL BUSINESS MACHINES CORP. 3 March, 1967 [31 March, 1966], No. 10068/67. Heading H1K. The carrier lifetime of a semi-conductor device is reduced by injecting carrier lifetime killers into the device in a non-oxidizing atmosphere after a final oxide layer has been formed on the surface. This is stated to prevent the formation of conductive " pipes " in the device. Semi-conductor devices are produced in P- type silicon slices by successively producing N<SP>+</SP>, N, P<SP>+</SP>, P and N-type regions by diffusion in a sealed capsule using silicon powder degenerately doped with arsenic as the source, by epitaxial growth, by diffusion of boron, by a second diffusion of boron, and by diffusion of phosphorus from a POCl 3  source respectively using oxide photo-masking techniques. The last diffusion is followed by an oxidation drivein, a window is opened in the lower face of the wafer, a layer of gold is evaporated on to the exposed surface, the wafer is heated in a nitrogen ambient to diffuse-in the gold, and the wafer is then annealed in a non-oxidizing atmosphere. In a second embodiment the N<SP>+</SP>, N, P<SP>+</SP> and P-type regions are formed as in the first embodiment, a portion of the oxide is removed and gold is diffused-in in an atmosphere of nitrogen or argon, and the final diffusion of N<SP>+</SP> type regions is performed in a non-oxidizing atmosphere without any intermediate or subsequent oxidizing step. Electrodes are produced by evaporation of aluminium. The oxide layers used as masks may be produced by heating in dry oxygen, followed by steam, by pyrolytic deposition, or by R.F. sputtering. The first mentioned N<SP>+</SP> type regions may be produced by etching a channel and epitaxially depositing N<SP>+</SP> type material. Some of the P<SP>+</SP> type regions may extend completely through the underlying N-type regions to provide isolation regions in an integrated circuit and this diffusion may also be used to form " underpass " connections.
Patent GB-347435-A (GB)
IPC: H04N3/08
Filed: 1930-03-29
Abstract: 347,435. Television. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., Marconi House, Strand, London.-(Assignees of Smith, T. A. ; 20, Heights Road, Ridgewood, New Jersey, U.S.A.) March 29, 1930, No. 10087. Convention date, April 1, 1929. [Class 40 (iii).] In systems in which the direction of scanning alternates between two directions making an angle with each other, the two directions are obtained by means of a single scanning member alternately co-operating with one of two fixed projecting systems. The scanning member 1, Figs. 1 and 2, consists of a mirror disc, one half of which cooperates with fixed mirrors 17, 21, Fig. 1, to completely scan the screen 25 in a direction 27, while the mirrors of the other half co-operate with a fixed mirror 31, Fig. 2, to completely scan the screen in a direction 35. A lens 11 focuses light from a varying source 9 upon the mirrors. A lens disc or drum may be used in place of the mirror disc 1.
Patent GB-849345-A (GB)
Title: Electric switch operating mechanism
IPC: H01H33/00
Filed: 1957-03-28
Abstract: 849,345. Electrically-released switches; heavy current switches. UHDE G.m.b.H., F. March 28, 1957 [April 28, 1956], No. 10173/57. Class 38 (5). A switch-actuating mechanism, especially for the short-circuiting switches of electrolytic cells, includes a closing spring 3 which is tensioned by means of a lever 9, a pawl 10 and a ratchet-wheel 8, and is held tensioned by a manually or electromagnetically-released locking-pawl 11. The wheel 8 is connected by a lost-motion coupling 12, 13, a toggle 15, 17 and a crank 16 to a switch operating shaft 4 having a crank 5 to which a switch opening spring 2 is connected. Figs. 3 and 6 show the position of the mechanism after it has been tripped to close the switches. To open the switches the wheel 8 is turned clockwise by means of the lever 9 to tension the spring 3. As the wheel 8 turns, it turns the coupling-dog 12 clockwise until it touches the dog 13 which is provided on the link 15. A further movement of the wheel 8 causes the dog 12 to move the dog 13 sufficiently for the toggle 15, 17 to move from its overcentre position, Fig. 6. The spring 2 is then able to turn the shaft 4 to open the switches, Fig. 2, the link 15 and the dog 13 being moved into the position shown in Fig. 9. If now the pawl 11 is moved to release the wheel 8, the spring 3 turns the wheel 8 and the dog 12 anticlockwise. The dog 12 after its initial free motion, engages and moves the dog 13 back to the position of Fig. 6, so resetting the toggle 15, 17 and turning the shaft 4 to tension the spring 2 and to close the switches.
Patent GB-1522413-A (GB)
Title: Lift shaft door
IPC: B66B13/30
Filed: 1976-03-15
Abstract: 1522413 Lift shaft door MASCHINENFABRIC AUGSBURG - NURNBURG AG 15 March 1976 [21 March 1975] 10218/76 Heading E1J A door for a lift shaft comprises metal panels 6 and 7 facing the rest of the building and the lift shaft respectively and joined by a metal frame 8 to form a distortionresistant box-like structure, the panel 7 has apertures at the lower 9 and upper 10 region so that cooling air may pass through (as arrow 11). The edges 13, 14 of the apertures may be shaped to direct the air current or plates (12 Fig. 1, not shown) on the (known) reinforcement ribs may act as baffles. The door serves to prevent the passage of fire from one floor to another via the lift shaft.
Patent GB-561207-A (GB)
Title: Improvements in or relating to agricultural ploughs
IPC: A01C7/06
Filed: 1942-07-22
Abstract: 561,207. Agricultural machines. BOMFORD, D. R., and LISTER & CO., Ltd., R. A. July 22, 1942, Nos. 10232/42, 2922/43 and 11751/43. [Class 6 (i)] Relates to agricultural machines of the kind adapted to turn two or more furrows simultaneously and provided with a corresponding number of press wheels which presses on the newly turned furrow slices to obliterate air spaces and to form a seed channel. According to the invention the press wheels are mounted independently of one another. In the form shown in plan, the machine is formed with three longitudinal beams 11, 12, 13, suitably inter-' connected and carrying respectively coulter discs 36, 37, 38, shares 17, 25 and 32, and mouldboards 18, 26 and 33. Extending from the beam 11 is a spindle 20 braced by an adjustable stay 41 and carrying an adjustably mounted rotatable sleeve 42. The latter is connected by four rods 43 to a sleeve 44 surrounding a rod 46 which is slightly inclined to the vertical. This rod is adjustable in height and its lower end has welded to it an inclined bar, the lower end of which is welded to two bars carrying an axle 54 and connected to a hopper 53. The axle carries the press wheel 39, the rim and one side of which are scraped by suitably shaped fixed plates when the machine is in operation. The two other press wheels 142 and 143 are similarly mounted on their respective beams. Seed or seedlings and fertilizer are fed to the seed channels made by the press wheels from the hoppers and are subsequently covered either by scoops or knives extending rearwardly from the press wheel axles or by means of a harrow. When a harrow is employed, as shown, arms 164, 165 and 166 adjustably interconnected by links 172, 175, are rotatably mounted on the press wheel axles. The middle arm 165 is connected to a bracket rotatably mounted on the axle of the wheel 142 and to this bracket is pivotally mounted a draw bar 178 fitted on its underside with a skid. A laterally extending arm of the draw bar is, formed with a number of holes, in any of which the shackle 184 towing the harrow 185 may be secured. By such an arrangement the harrow acts as a rudder and controls the angular position of the press wheels to the line of travel. Each hopper is provided with mechanism for regulating the discharge of its contents. Such mechanism forms the subject-matter of Specification 561,208.
Patent GB-782459-A (GB)
Title: Process for the production of oxygen-containing compounds, in particular aldehydes, from olefinic compounds, carbon monoxide and hydrogen
IPC: C07C27/22
Filed: 1955-04-07
Abstract: The reaction between olefines and carbon monoxide and hydrogen to form aldehydes is carried out in the presence of dicobalt octacarbonyl, or of other soluble cobalt compounds capable of forming carbonyls under the reaction conditions, at a temperature between 50 DEG  and 130 DEG  C. and at a partial pressure of carbon monoxide of 2-55 atmospheres, the molar ratio of hydrogen to carbon monoxide being at least 2.  Preferably the partial pressure of carbon monoxide is between 5 and 35 atmos. and the molar ratio of hydrogen to carbon monoxide is between 4 and 60.  In the examples carbon monoxide and hydrogen are reacted with (a) cyclohexene; (b) 2-ethylhexene-1; and (c) propylene using dicobalt octacarbonyl as catalyst to give aldehydes containing one more carbon atom than the olefines used as starting materials.
Patent GB-605044-A (GB)
Title: Improvements in or relating to oil heater
IPC: C10G9/20
Filed: 1943-06-28
Abstract: <PICT:0605044/III/1> <PICT:0605044/III/2> <PICT:0605044/III/3> <PICT:0605044/III/4> In a tubular heater, particularly for the pyrolysis of hydrocarbon oils, the supports for the tubes are formed of ceramic material and are located at one or more intermediate points in the length of the tubes.  Refractory brick piers 36, 36a, Fig. 2, are built across the floor 37 and up the side walls 32 of the radiant section of the heater, and these support the tubes 18, 19 either as shown in Fig. 3, where the bricks 39 have special shapes or, as shown in Fig. 4, where a standard shape 38 is employed, but special spacing is used.  In the latter case, the openings may be provided with chrome-nickel alloy plates 40 to facilitate movement during expansion of the tubes.  Control of discharged combustion gases is obtained by arranging a row of tubes 19 across the gas exit with a second staggered row 19a behind them.  Specifications 424,643; 478,425 and 480,013, [both in Group XII], are referred to.
Patent GB-385813-A (GB)
Title: Improvements in starters for internal combustion engines
IPC: F02N99/00
Filed: 1932-04-14
Abstract: 385,813. Turning-gear. BOSCH AKT.- GES., R., 4, Militarstrasse, Stuttgart, Germany. April 14, 1932, No. 10673. Convention date, April 24, 1931. [Class 7 (v).] An internal-combustion engine is started by means of an inertia mass 3 by first engaging a pinion 4 with the engine whilst the pinion is connected to the inertia mass by a friction clutch 10, 14, then disconnecting the pinion from the inertia mass, running the latter up to high speed, and finally connecting the inertia mass to the pinion by means of the friction clutch. The inertia mass 3 is secured to the armature shaft 2 of the starting motor, on which is freely mounted the pinion 4 formed integrally with a sleeve 5 threaded at 6 to engage the flanged clutch member 7 carrying clutch discs 14 in engagement with clutch discs 10 on the inertia mass 3. To start the engine, a switch 32 is closed and energizes the auxiliary field winding 31 ; the armature assembly 1 .. 7 rotates and moves axially until the pinion 4 engages the toothed flywheel 36, whereupon movement ceases. The lever 19 is then moved to the left, whereupon the clutch is disengaged, the switch arm 25 closed by the finger 23, the main field winding 33 energized and the inertia mass rotated. The lever 19 is then returned to its original position, whereby the clutch is re-engaged and the energy stored in the inertia mass transmitted to the pinion 4 ; the switch arm 25 remains down owing to the energization of the holding-coil 28, so that the electric motor assists in turning the engine.
Patent GB-704684-A (GB)
Title: Device for use in connecting the ends of pipes
Inventor: BARCLAY WILLIAM ALAN
IPC: E04D13/08
Filed: 1951-05-07
Abstract: 704,684. Pipe joints. COLAMIN RAINWATER PRODUCTS, Ltd. April 30, 1952 [May 7, 1951], No. 10721/51. Class 99 (1). In a socket for fall pipes in which the lower part is formed with an annular recess 2 for the reception of the lower pipe section 8, one of the walls of the recess has a cylindrical inner zone 5 and an outwardly tapering outer zone 6 to permit a wide tolerance in the pipe dimensions. An outermost cylindrical zone 7 may be provided. The other wall 4 is cylindrical or has a slight outward taper. The zones may be on either the inner or the outer wall of the recess. Reference has been directed by the Comptroller to Specification 660,339.
Patent GB-969731-A (GB)
Title: Domestic laundering machine
IPC: D06F23/00
Filed: 1963-03-19
Abstract: 969,731. Friction clutches. BLACKSTONE CORPORATION. March 19, 1963 [Oct. 11, 1962], No. 10756/63. Headings F2C and F2L. [Also in Division D1] A member 38 has a rest position on a fixed part 26 and is rotated by a vertical shaft 16 having a lifting member 63 which lifts a clutch plate 53 into engagement with the member 38 when the shaft is rotated in a given direction. Rigidly attached to the member 38 is a plate 46 lined with a friction material 49 and also an annular support 51 lined with friction material 68 which engages the fixed support 26. In the rotating position of the member 38 it is lifted clear of the support 26 by the clutch plate 53 bearing upward on lining 49. Clutch plate 53 has a spiral groove 62 on the inside of its bore, and the lifting member 63 within this bore also has a spiral groove. Balls are arranged in these grooves so that when the lifting member is rotated in one direction by shaft 16 to which it is splined, the clutch plate 53 rises.
Patent GB-513494-A (GB)
Title: Improvements in metal-clad switchgear
IPC: H02B11/24
Filed: 1938-04-08
Abstract: 513,494. Switchgear structures. BRITISH THOMSON-HOUSTON CO., Ltd., and CLIFFORD, H. S. April 8, 1938, No. 10808. [Class 38(v)] In an automatic shutter device for draw-out type switchgear, wherein normally the pivotally mounted shutters are automatically operated through a linkage to cover or uncover the fixed contact orifices by withdrawal or approach of the moving switch part, the shutters are each connected to the operating linkage through an individual actuating link, the operative connection between which and the shutter is a retractable but non-removable pin. Shutters 1, 2, 3 adapted to cover the spouts A, B, C of, for example, duplicate bus-bars and a circuit chamber, respectively, have wing plates 4 by which they are pivoted at 5. Each shutter has an individual actuating link 9 pivoted at 5, pivotally connected to a common link 6 at one end, and, at its other end, adapted to be detachably connected to the corresponding shutter at a point 10 by means of a spring biassed pin Fig. 2a. The pin may be retracted manually and then rotated when it will be held in the retracted position so breaking the mechanical connection at point 10. Normally, all three pins will be in their operative position so that the shutters will be operated together as a roller 12 of the movable-switch part moves on to or from a ramp lever 7 pivoted at 8 and connected at its other end to lever 6. When, however, it is desired to earth, for example, the bus-bar corresponding to spout B by means of a detachable earthed extension plugging contact 15 on the moving switch part, the shutters 1, 3, are disconnected at 10 from their actuating links 9, and an extension 16 is provided on the ramp 7 so that the shutter 2 is lifted earlier to enable the extension plugging contact 15 to enter spout B. The shutters may be padlocked at 14 in the " spout-closed position.
Patent GB-399870-A (GB)
Title: Improvements in or relating to rubber-bonded asbestos products and method of making same
IPC: C08K7/12
Filed: 1932-04-15
Abstract: An aqueous dispersion of latex, the particles of which carry an electropositive charge, is added to an asbestos slurry. The rubber particles remain of colloidal dimensions and attach themselves to the asbestos fibres, which remain dispersed. The charge on the rubber particles may be inverted to electropositive by strong mineral acids, when a protective agent, such as h moglobin is also employed, or, preferably, by salts with polyvalent cations and monovalent anions, such as aluminium chloride or thorium nitrate, when no protective agent is necessary. The protective agent or the salt also assist in the dispersion of the asbestos. The rubber dispersion is preferably diluted to about 5 per cent and added rather slowly.  The quantity of rubber may correspond to 50 per cent or more of the asbestos, but for most purposes 20-25 per cent is used.  Pigments, fillers, including finely divided metals, &c., may also be added, preferably to the asbestos slurry, and, when such additions are adversely affected by acid, the electropositive rubber dispersion is desirably alkaline in reaction.  In examples:-(1) 1000 lbs. of asbestos and 10000 lbs. of water are mixed in a beating engine, and then a pigment slurry of 100 lbs. iron oxide, 6 lbs. carbon black, 40 lbs. sulphur, 20 lbs. zinc oxide, 1 lb. phenyl-b -naphthylamine, 2 lbs. diphenyl-guanidine and 200 lbs. water added, and beaten.  600 lbs. of 35 per cent ammonia preserved latex are then diluted with 3600 lbs. water containing 10 lbs. h moglobin and 90 lbs. concentrated hydrochloric acid rapidly added.  The resulting electropositive dispersion is added to the asbestos slurry while beating and the mixture may then be moulded, felted, sheeted, etc.; (2) 600 lbs. of 35 per cent ammonia preserved latex is diluted with 3600 lbs. water and a solution of 54 1/4 lbs. aluminium chloride crystals in 500 lbs. water added. The procedure of example (1) is then followed.  The material may be used for the production of asbestos paper, board, insulating panels, brake linings, and blocks, gasket and friction material, &c.
Patent GB-178840-A (GB)
Title: Improvements in or relating to fountains
IPC: B05B17/08
Filed: 1922-04-18
Abstract: 178,840. Labadie, J. April 25, 1921, [Convention date]. Fountains.-A fountain comprises a jet 3 connected to a reservoir 5, and a bellows pump 18 for supplying liquid to the reservoir and withdrawing it from a basin 1. Valves 10 and 11 are carried by the armature 12 of an electromagnet 14, and the pump is operated by the armature 20 of an electromagnet 21. Springs 15, 22 act on the armatures, and the electric circuit is made and broken by a brush 25 co-operating with a contant 24 and a non-conductor 26.
Patent GB-1421431-A (GB)
Title: Method and composition for the protection of rubber and rubber  containing compositions
IPC: C08L7/00
Filed: 1973-03-06
Abstract: 1421431 Rubbers containing wax NIPPON OIL CO 6 March 1973 [7 March 1972] 10888/73 Headings C3P C3Q [Also in Division C5] A rubber composition with improved resistance to attack by ozone is prepared by (a) compounding the raw rubber with a wax composition consisting of a mixture of hydrocarbons in which at least 50 wt. % is composed of n-C 26  to C 29  hydrocarbons, and (ii) vulcanizing the compounded mixture. The wax may be derived from petroleum, from ethylene polymerization or from cracking of polyolefins. The rubber may be natural or synthetic, e.g. SBR. Other additives viz. zinc white, stearic acid, carbon black and sulphur are incorporated in the compounding recipe.
Patent GB-120185-A (GB)
Title: A Guard or Protector for Cigars and Cigarettes.
Inventor: CAMPBELL GEORGE
IPC: A24F13/14
Filed: 1918-07-04
Abstract: 120,185. Campbell, G. July 4, 1918. End-protecting and ash-retaining attachments for cigars and cigarettes.-A slitted hazel wood or other casing A is fitted over a holder G, or over a cigar or cigarette F to conceal the lighted end.
Patent GB-566778-A (GB)
Title: Improvements in or relating to electromagnetic relays
IPC: H01H50/24
Filed: 1943-07-07
Abstract: 566,778. Electromagnetic relays. STANDARD TELEPHONES & CABLES, Ltd., TOWNER, S. H., and CHILDS, P. A. July 7, 1943, No. 11031. [Class 38 (v)] A relay adapted to withstand shock and vibration has an armature 15 pivoted centrally on a knife edge 19 and located between the contact spring pile up 16 and the relay winding. The armature may be located by two leaf springs 20 fixed to the armature and to the yoke 14. The L.H. end of the armature bridges the gap between the yoke 14 and a pole 13 and the R.H. end which is D-shaped operates the contact springs.
Patent GB-1010744-A (GB)
Title: Vinyl resin compositions
IPC: C08K5/12
Filed: 1963-03-20
Abstract: Compositions comprise a polymer of at least 50 weight per cent of a halogen-containing monomer having a terminal ethylenically unsaturated group and an alkyl benzyl phthalate in which the alkyl radical contains 6 to 13 carbon atoms.  The polymer may be polymers of vinyl chloride, vinylidene chloride, vinyl chloroacetate, chlorostyrene or chlorobutadiene, or copolymers thereof with vinyl carboxylates, acrylic and methacrylic esters, vinyl aromatic compounds, conjugated dienes, acrylic acid amides and nitriles, esters of maleic, crotonic, itaconic and fumaric acids, or of the corresponding bromine, fluorine and iodine analogues. Preferred phthalates are isohexyl, iso-octyl, isodecyl and tridecyl benzylphthalates. Examples describe compositions comprising these phthalates and polyvinyl chloride, and comparative compositions containing dibutyl, di-2-ethylhexyl, didecyl, ditridecyl and butyl benzyl phthalates.
Patent GB-862761-A (GB)
Title: Improvements in or relating to the surface aeration of liquids
IPC: B01F3/04
Filed: 1957-04-05
Abstract: 862,761. Aerating sewage. AMES CROSTA MILLS & CO. Ltd., and BOLTON, J. F. March 28, 1958 [April 5, 1957 ; Oct. 8, 1957 ; Feb. 11, 1958], Nos. 11107/57, 31388/57 and 4344/58. Class 111. [Also in Group II] Apparatus for the surface aeration of sewage in a tank by means of a ring of blades partially immersed therein and rotated about a vertical axis so that liquid is centrifugally discharged over the outer periphery of a truncated inverted cone embracing the ring of blades, is characterized in that each of the resultant streams of liquid, after passing beyond the cone, impinges upon or flows over a separate surface or surfaces so arranged that each stream is effectively diffused in atmosphere before falling back into the tank. In Fig. 1 a truncated cone 10 having its lip slightly above the liquid surface 12 in tank 13 is fitted with longitudinally-curved internal blades 11 rotated by driving rings 22 and 24, an annular shroud member 25 being attached to either of rings 22 or 24 (left and right hand sides of the Figure, respectively). The stream of liquid is diffused by the shroud, especially if its outer part is formed into teeth and/or vanes 26. In modifications of Fig. 1 the shroud 25 dips into the liquid, or the teeth or vanes do not form part of a shroud attached to a driving ring but depend downwardly or downwardly and outwardly into or just above the liquid surface from a ring attached to the underside of the structure 18. In another modification the teeth or vanes are formed in the edges of upward and outward extensions of the blades, and the cone may carry, and rotate with, a dependant cylindrical neck and/or flared skirt in accordance with divided Specification 862,762.- In all the above embodiments the lower edge of the cone 10 may make an airtight junction at 14 with the top of a stationary uptake tube 15 supported clear of the tank at its bell-mouthed end 16 by legs 17. In Fig. 5 the truncated cone 30 is stationary, has no internal blades and is united to the upper end of a cylindrical or frusto-conical uptake member 31. Blades 33 are carried on an inverted conical shroud 34 fixed to the driving ring, the blades having slight radial clearance from the interior of cone 30. Liquid is discharged on to a ring of vanes 36 fixed to the lip of the cone 30. In another modification the blades 33 are connected to, and rotate with, cone 30 and shroud 34, and the blades have toothed extensions, the vanes 36 being dispensed with. Specification 602,130 also is referred to.