baber/WOPTO huggingface dataset:
Patent GB-1024558-A (GB)
Title: Method of the production of prilled ammonium nitrate
IPC: F02B3/06
Filed: 1963-09-09
Abstract: Ammonium nitrate prills are produced by distributing an ammonium nitrate liquor of a concentration of 85-99% ammonium nitrate by weight and at a temperature of between 120-170 DEG  C., in the form of an atomized spray on to an agitated bed of solid ammonium nitrate particles, e.g. less than 1.2 mm., which may be recycled off-size prills.  The product may then be cooled to below 32 DEG  C., dried, and cooled to ambient, and passed through a screen.  A blasting composition comprises 94.5% of the ammonium nitrate prills, and 5.5% diesel oil (by weight).
Patent GB-420553-A (GB)
Title: Carburettor
IPC: F02M17/24
Filed: 1933-12-18
Abstract: 420,553. Spray carburetters. JOHNSON, R., c /o Ashley & Johnson, 43rd Street, Brooklyn, New York, U.S.A. Dec. 18, 1933, No. 35574. [Class 7 (iii)] Air entering at 52 is divided into two streams one, of relatively small dimensions, flowing in the direction of arrow H and having capillary fuel ducts leading thereto, the other and larger stream flowing in the direction of arrow K through a curved passage 11 to meet the smaller stream, charged with fuel, before issuing through the outlet 53. Extending across the passage 11 is a bridge piece 16 containing a cavity 19 to which fuel is fed from the float chamber A through ducts 25, 26, 22. The flow of fuel is controlled by a needle valve 31 actuated by an arm 44 on a screwed sleeve 40 in which the needle valve is adjustably mounted. Independent adjustment of the valve is effected by releasing wing nut 46 and rotating the needle by pin 43. A flanged upper face of the bridge piece 16 supports a non-fibrous or metallic wick 55 provided with primary and secondary capillary ducts 57, 58 respectively. The primary ducts communicate with a recess 18 and extend throughout the whole depth of the wick, the upper extremities being disposed transversely of the wick as at 59, 60, Fig. 4, to conduct the air constituting the smaller stream over the fuel that has risen within the ducts 57. The secondary ducts 58 serve to retain fuel that has overflowed from the primary ducts. The air is caused to follow closely the open ends of the ducts by a ridge piece 61 secured by screws 62 and inclined to compensate for the angle at which the engine may be set in a boat. The small air stream and the fuel carried thereby may be regulated by a plate 64 actuated by a bell-crank lever 68. To prevent large drops of fuel from falling into and collecting in the passage 11, a grating 70 is provided consisting of bars 73 and a ledge 71 adapted to be secured over the flange of the wick element.
Patent GB-861752-A (GB)
Title: Improvements in or relating to pipe connections
IPC: F16L19/02
Filed: 1959-10-21
Abstract: 861,752. Pipe couplings. MAICO-FAHRZEUGFABRIK G.m.b.H. Oct. 21, 1959 [Oct. 22, 1958], No. 35625/59. Class 99(1). A pipe connection, Fig. 1, has a tension bush 2 comprising at one end an externally conical tightening shank 3, an external thread 5 and longitudinal slots 4 and at its other end an external annular flange 6, a tension nut 8 having an internal conical portion and an internal threaded portion 7 being adapted to be screwed over the tension bush 2, thus clamping it to the pipe end 1. A screw ring 10 has an internal annular flange 12 adapted to be drawn up tight against flange 6 by means of a screw cap 13 engaging a threaded projection 11 on ring 10 and associated with an opposite pipe or branch end, a sealing ring 15 being clamped between the two juxtaposed faces of the pipes. Axial security may be provided by internal grooves 9 in the conical shank. As shown, cap 13 has a flange 14 abutting the flange of a bush 2 associated with a second pipe end 1a ; alternatively the screw cap may screw directly on to a branch pipe end fitting. Seal 15 may be replaced by a seal 17 having a circular segmental cross-section, the pipe ends being drawn on to its surface as shown in Fig. 2.
Patent GB-786208-A (GB)
Title: A device for lifting and transporting hay and like crops
IPC: A01D87/08
Filed: 1954-12-09
Abstract: 786,208. Hay-collectors. FLEMING, W. Dec. 8, 1955 [Dec. 9, 1954], No. 35671/54. Class 6(3). A hay-rick lifter comprises a wheeled framework 16, 17, 18 having a tined base 16 and a drawbar 13 by which it is coupled to a tractor 15, a hydraulic ram 22 being mounted between the framework and the drawbar, so that by operation of the ram, the framework is tilted about the axis of the wheels 10. The tines 16 are welded to a tubular axle 12 carrying at its ends stub-axles for the wheels 10. Vertical tubes 18 are welded to the axle 12 to form, with the channel-member 19, a back-rack. A telescopic extension 20, 21 is mounted on the back-rack. The drawbar is pivoted to the axle 12 and carries a lug 23 to which the ram 22 is pivoted. A flexible conduit 27 supplies oil from the tractor hydraulic system. The piston rod 24 of the ram may be secured in its fully-extended position by a pin passing through mating grooves in the rod 24 and in lugs 2 at the top of the ram-cylinder.
Patent GB-522388-A (GB)
Title: Improvements in systems for receiving high-frequency carrier signals
IPC: H03D11/02
Filed: 1938-12-07
Abstract: 522,388. Valve circuits for wireless reception. GENERAL ELECTRIC CO., Ltd., STENNING, L. C., and WHITE, R. W. Dec. 7 1938, No. 35686. [Class 40 (v)] A receiver for a keyed unmodulated high frequency carrier (e.g. 100 mc/s) comprises a highly sensitive set 2, super-regenerative or superheterodyne which yields a bias output when no carrier is received. This bias is rectified by 7 and applied as paralyzing bias to a valve 11 which with inductor 12 and condenser 13 constitutes an audio frequency oscillator. When a signal is received, the bias disappears, the valve 11 oscillates and a tone is heard in phones connected to 19, 20. Specification 404,376 is referred to.
Patent GB-351893-A (GB)
Title: Improvements in or relating to wearing apparel
IPC: A41D27/10
Filed: 1930-11-27
Abstract: 351,893. Wearing-apparel. HAUGHTON, S. G. and FRAZER & HAUGHTON, Ltd., Cullvbackey, Co. Antrim, Ireland. Nov. 27, 1930, No. 35689. [Class 141.] To facilitate the lengthening of sleeves and other terminal parts of wearing apparel, a tuck 2 is formed as indicated of inverted M shape. The fabric is seamed together at 6. The end of the inner part 3 of the folded material is attached to the lining. By cutting the stitches at 6 the tuck may be let out for lengthening purposes.
Patent GB-627523-A (GB)
Title: Improvements in or relating to the formation of cellular bodies
IPC: C04B38/06
Filed: 1946-12-04
Abstract: Porous materials, for use as fire, vermin and moisture proof materials or floats for nets or rafts, are prepared by heating together a powdered silicate material consisting of a natural non-vitreous mineral composed essentially of silica, alumina, and alkali metal oxides, and a gas-generating material containing powdered carbon and an oxygen-containing agent.  The mineral may contain 55-77 per cent silica, 13-28 per cent alumina, and 1-18 per cent alkali metal oxides, e.g. nepheline kyanite, felspar, or spodumene, and the oxygen-containing agent may be calcium sulphate, magnesium sulphate, calcium carbonate, antimony trioxide, or arsenic trioxide.  To produce a mixture sintering at 1,500-1,800 DEG C., 10-20 per cent of a flux, such as sodium oxide or peroxide, or soda ash, may be added.  After firing the product is cooled and annealed.
Patent GB-1114696-A (GB)
Title: Improvements in nuclear fuel elements
Inventor: ROBERTS WILLIAM HAWKRIDGE
IPC: G21C3/32
Filed: 1965-08-20
Abstract: 1,114,696. Fuel elements. UNITED KING- DOM ATOMIC ENERGY AUTHORITY. 11 Nov., 1966 [20 Aug., 1965], No. 35932/65. Addition to 1,107,384. Heading G6C. A vented nuclear fuel element comprises a decay path means within the fuel container, inlet means for introducing gases released by the fuel into the decay path means and vent means for venting outside of the container gases that have passed through the decay path means, which latter means provides a sequence of discrete time delays to movement of gases within it. Such a sequence provides an overall time delay which allows an appreciable decay in radioactivity. Fig. 1 shows a vented fuel element for a sodium-cooled reactor comprising fuel pellets 11 within a stainless steel container 12, a series of barriers 13 dividing the end of the container 12 into a number of discrete chambers 14a, 14b, 14c, 14d, 14e. Inlet means are provided by a collecting space 16 and a tube 17, and vent means by a tube 18. Prior to insertion in the reactor a helium atmosphere is maintained at atmospheric pressure in the element. The element is then inserted in the reactor and the coolant pumps started. Sodium enters the chambers 14e, 14d, 14c through the tubes 18, 15d, 15c and as the tubes 15d, 15c, 15b reach almost to the bottom of their respective chambers, sodium entering one of the chambers is forced through one of the tubes into the next chamber and helium in the chambers 14e, 14d, 14c is isolated. As more sodium enters the element it passes through tube 15b into the chamber 14a displacing helium along tube 15a into chamber 14b and along tube 17 into space 16. Sodium reaches the top of tube 15a and overflows into chamber 14b. Sodium then exists within each chamber up to the levels 19a, 19b, 19c, 19d, 19e. During operation of the reactor, gaseous fission products percolate into space 16 and, when the pressure has risen sufficiently, bubble through sodium in chamber 14b and are stripped of their sodium-soluble constituents. The gas then escapes through tube 15a into chamber 14a and collects above the sodium level 19a. As more gas is evolved, the sodium is displaced into chamber 14c until it is all so displaced, when the gas then bubbles through tube 15b and collects above the sodium in chamber 14c. This process of displacement continues until the gas escapes through tube 18. The lower ends of the tubes 15b, 15c, 15d, 18 can be fitted with sintered metal or ceramic closures so that before the gas can pass from one chamber to the next sufficient pressure build-up will have to occur to overcome the capillary action of sodium in the sintered metal or ceramic pores. In an alternative arrangement (Fig. 3, not shown), the decay path means includes chambers defined by concentric tubes.
Patent GB-1023992-A (GB)
Title: Improvements in and relating to electron beam welding
IPC: B23K15/00
Filed: 1962-09-21
Abstract: 1,023,992. Welding by fusion. D. SCIAKY. Sept. 21, 1962 [Oct. 27, 1961], No. 35960/62. Heading B3R. [Also in Division H1] In an electron beam welding apparatus the electron gun 10, Fig. 3, is first centred over a device 15 whose distance A from the abutting edges of the workpieces 12 to be welded together is accurately known and the gun is then moved through the distance A to the welding position or, alternatively, the gun may be fixed and the carriage 11 for the workpieces 12 and the device 15 moved, the device 15 comprising two metal, e.g. copper, sections separated by insulation and each having a tungsten insert, the upper one of which is apertured for the passage of the electron beam and the lower providing a beam target. Cooling passages are provided in the metal sections. Maximum current through the aperture is indicated as a minimum deflection in the ammeter 17 of Fig. 3. The device 15 is shown mounted on the carriage 11 for the workpieces but it may be mounted on the chamber wall. The gun 10 is supported by a carriage which is movable along guide rods 66 between limit switches 73, 74 by a screw and gear mechanism 58, 60, 63, 64. The gun supporting frame 50 may also be moved up and down. In a modification of the beam positioning device 15 the aperture in the top tungsten insert is replaced by two slots parallel to the X and Y axes of the system and which may or may not intersect. In another modification the device 15 is the work holder in the particular case where a pin is to be welded to a tube, the lower plate of the device supporting the tube and pin.
Patent GB-744886-A (GB)
Title: Improvements in or relating to pipe couplings
IPC: F16L19/04
Filed: 1953-12-29
Abstract: 744,886. Pipe joints. NELL, C. Dec. 29, 1953 [March 6, 1953], No. 36069/53. Class 99(1). In a joint in which the flared ends 2 of aligned pipes 4, 5 are clamped between opposed conical faces of a fitting 1 and of nuts 8 screwing on to the fitting, the screw-threaded parts of the fitting or of the nuts are slightly tapered so as to cause the nuts to bind on the fitting. A shoulder 13 is provided between the screw threads on the fitting.
Patent GB-1261666-A (GB)
Title: Fortified vegetable product
Inventor: HEUSDENS WILHELMUS
IPC: A23L1/00
Filed: 1970-07-24
Abstract: 1,261,666. Protein food. RALSTON PURINA CO. 24 July, 1970 [24 July, 1969], No. 36148/70. Heading A2B. A carbohydrate material is at least partly gelatinised, mixed with a heat settable oilseed protein material to form a substantially homogeneous mixture, containing 30-50% moisture, 15-20% protein, and 25-50% carbohydrate, and this mixture is then shaped. The product may be heated, for example by frying, to set the protein. Preferred carbohydrate sources include wheat, rice, milo, barley, and other corn, potatoes, tapioca, cellulosic vegetables such as carrot and beet, and fruit such as bananas, apples, and pears. The preferred protein materials are soy and sesame. Examples refer to the production of chips, puff shells, pie shells, and fried snack foods.
Patent GB-485156-A (GB)
Title: An improved tunnelling shield or travelling cofferdam
IPC: E21D9/00
Filed: 1937-12-31
Abstract: 485,156. Tunnelling ; subaqueous structures. MAUNSELL, G. A. Dec. 31, 1937, No. 36205. [Classes 68 (ii) and 85] A tunnelling shield is closed in front, sides and bottom and connected at the top through an open shaft to the atmosphere, and provided with a hindward part which encircles the completed part of the tunnel with a sliding, watertight joint. The shield A encircles the tunnel lining B and is provided with rear packings F, a closed forward end V which may have a shovel lip L, and an upward extension C extending above 'water level and including a shaft D through which lining segments or rings may be lowered, and ballast chambers M. A hollow keel K collects leakage water which is removed by pumping. The extension C supports an excavator T for removing material in front of the shield, which material may be deposited over the completed part of the tunnel. Winches may also be supported on the extension and operate tackles controlling longitudinal or lateral inclination of the extension. The shield may be of circular, oval or other section, and may be duplicated to encircle adjacent tunnels ; the front of the shield may have rotary cutters, or hydraulic jets, for removing material, or may have ports for pneumatic drills &c.
Patent GB-337632-A (GB)
Title: Improved means for flushing sanitary appliances
IPC: E03D11/02
Filed: 1929-11-26
Abstract: 337,632. Leeds Fireclay Co., Ltd., and Alcock, S. P. Nov. 26, 1929. Bed-pans; flushing.-Apparatus for use with a water closet for enabling bed pans and urine bottles, to be flushed, comprises a flushing pipe i revolubly mounted on the main flushing pipe between the water waste preventer and the closet, and a valve member g which, in the position shown, directs the water through the pipe i. Nozzles w, x, and arms 3 with buffers 4 may be provided, and the valve may be operated by movement of the pipe i.
Patent GB-335819-A (GB)
Title: Improvements relating to thermostatic controllers for gas ovens and the like
IPC: G05D23/02
Filed: 1929-11-27
Abstract: 335,819. Wilcolator Co., (Assignees of Fonseca, E. L.). Nov. 27, 1928, [Convention date]. Thermostats. - A thermostat of the kind actuated by the differential expansion of a rod 26 and tube 21 has a lift-valve member 34 rotatably mounted on an adjustable tappet device bearing against the rod 26. One end of the tube 21 is screwed to a boss 20 on the valve casing and at the other end carries an adjustable cap 22 secured by a lock nut and provided internally with a bearing plate 24 co-operating with the rod 26. The other end of the rod 26 bears against a plate 32 in a cap 30 having a screw-threaded engagement with an abutment 27 bearing against the valve member 34 and held against rotation by a slotted lug 28 engaging a fixed pin 29. The valve member is held against the abutment by a spring 37 housed in a recess in the cover 11. The cap 30 has a slot engaging a screw-driven projection 44 on a member 41 rotatably mounted in the cover 11 and provided with a rubbing packing-collar held in engagement with its seat by a spring 43. The member 41 is provided with an indicating- drum 47 co-operating with a pointer 48 and carrying a vitreous manipulating-handle secured in position by a plate 52 and screw 53 and a lug 51 engaging a slot in the end of the drum. The supply and discharge pipes are arranged between the outer casing and lining of the oven and are threaded into a block 60 secured to the stove. This block is provided with spigots adapted to pass through apertures in the stove casing and engage washers housed at the bottom of sockets formed on the valve casing. The valve casing and the block 60 are held together by a bolt 68.
Patent GB-1365159-A (GB)
Title: Semiconductor devices for integrated circuits
IPC: H01L21/763
Filed: 1971-08-03
Abstract: 1365159 Semi-conductor devices MOTOROLA Inc 3 Aug 1971 [10 Aug 1970] 36367/71 Heading H1K In a semi-conductor integrated circuit device, a column of polycrystalline material is produced within a layer of monocrystalline material deposited on a semi-conductor substrate, by providing on the substrate a pattern comprising a lower dielectric layer and an upper polycrystalline layer, the polycrystalline column being formed on and immediately around the pattern during the deposition step so that the column contacts the substrate. Polycrystalline columns, suitably doped, may provide isolation regions and/or conductive paths to buried layers of the device. In a preferred "tripleetch" process, Fig. 1, successive layers of silicon oxide 70, polycrystalline Si 72, and silicon oxide 74 (thinner than layer 70) are formed on a surface 12 of a P-type Si body 10 having an N + region 18 formed therein. Using a mask 76 of developed photoresist, layer 74 is removed, except for regions 74a, 74b, Fig. 3, in a first HF etch; layer 72 is next etched, leaving regions 72a, 72b, after which a second HF etch removes regions 74a, 74b (with mask 76) and oxide layer 70 except for pattern regions 70a, 70b beneath polycrystalline regions 72a, 72b, Fig. 4. Deposition of Si from silane or silicon tetrachloride gas produces a layer 78, Fig. 6, comprising monocrystalline regions 78a, 78b and 78d and isolating regions 78c, 78e of polycrystalline Si on and around the edges of pattern regions 70a, 70b, regions 72a, 72b being incorporated in the polycrystalline regions 78c, 78e, which are doped by out-diffusion of impurities from oxide regions 70a, 70b which may be supplemented by a subsequent in-diffusion at the upper surface of the regions. A transistor comprising base, emitter, and collector enhancement regions 80, 82, 84 is subsequently conventionally formed within the isolated monocrystal 78b. A similar process may produce a conductive connection to buried layer 18 (Figs. 7-9, not shown), or, by leaving an aperture in the lower oxide layer above layer 18, the polycrystalline connection to the latter may be nucleated on a polycrystal. line pattern only (Figs. 10-14, not shown). Impurities may be diffused into the connection, first by out-diffusion of donor impurities from layer 18 and later by in-diffusion of donor impurities during the subsequent formation of a diffused emitter region. The dielectric lower pattern layer may alternatively be of silicon nitride.
Patent GB-871492-A (GB)
Title: Process for the separation of organic compounds
IPC: B01D53/02
Filed: 1956-08-23
Abstract: <PICT:0871492/III/1> Mixtures of organic compounds are separated into their components by treatment in two columns A, B through which an eluent gas is admitted to the bottom of column A and rises to the top when it flows upwards through column B; simultaneously there flows in counter current with the gas, a solvent liquid which is admitted to the top of column B and flows downwards to the bottom from which it then passes downwards through zone A.  The mixture to be separated may be admitted to either column A or B or to the top of A or to the bottom of B.  The rate of flow of eluent gas, solvent, and mixture, and the temperature are adjusted so that one or more components are, individually, concentrated in a zone and then caused to rise to the top or fall to the bottom of either zone A or B.  The temperature may be constant or applied as a temperature gradient.  The two columns may be a single column, and preferably contains an inert solid to present a large surface area to the liquids.  The mixture may comprise a close boiling range mixture, e.g. hydrocarbons, an azeotropic mixture, e.g. alcohol and water, petroleum ethers, or essential oils.  As eluent gas there may be used hydrogen, methane, steam, flue gas, air or carbon dioxide.  As solvent liquid, paraffins, ethers, esters, nitriles, glycols, or silicones.  In the Figure shown, a column is formed of two sections SC (corresponding to zone B) and SH (corresponding to zone A), eluent gas enters at LG and after passing upwards through both zones flows through a detector D and flow meter FG.  The solvent liquid enters L1 through a cooler C and flows downwards through both columns and is recycled from a reservoir R and flow meter FL by a pump P.  The mixture to be separated is admitted at LF.  Section SH is maintained at a higher temperature than SC whereby at a high liquid/gas flow the slowest moving component, i.e. the least volatile component is unable to move downward, whereas the most mobile component cannot move upwards or downwards and tends to concentrate between the sections.  After a component is removed the temperature and/or flow conditions are altered to "trap" a second component.  The process is controlled by chromatographic tests.  Examples are given of the separation of propane and iso-butane; propane, isobutane, and n-butane, using air as the eluent gas and kerosene as solvent liquid.  Specification 871,494 also is referred to.
Patent GB-1260270-A (GB)
Title: Device for applying a self-adhesive label to a film strip
IPC: G03D13/00
Filed: 1969-01-14
Abstract: 1,260,270. Applying labels. AGFA GEVAERT A.G. 14 Jan., 1969 [14 Sept., 1968], No. 36454/71. Divided out of 1,259,137. Heading B8E. A device for accurately applying a selfadhesive label to a film strip 52 comprises a device having a flap 61 pivoted about a spindle 60 and having an open aperture 61b with a stepped surface 61c to which an edge of an identification label is adhered after removal from a cassette. The film is then removed from the cassette and centred between pins 56, 57 with its leading perforation 52a engaging a pin 55 in a base-plate. The flap is then brought down on to the film and the label is then held firmly on the film while the flap is withdrawn to release the edge of the label from the surface 61c.