baber/WOPTO huggingface dataset:
Patent GB-1352811-A (GB)
Title: Dozer blade assembly for vehicles
IPC: F41H7/02
Filed: 1972-01-19
Abstract: 1352811 Vehicle stands DR ING hcF PORSCHE AG 19 Jan 1972 [13 March 1971] 2593/72 Heading B7J [Also in Division E1] To allow of a dozer blade assembly, when mounted on a vehicle, to serve as a stabilizer to the vehicle, when so required, there is provided on the axis of the pivotal connection 25 between a dozer blade 1 and a support 8 pivotally mountable on the vehicle, a torsion spring that is tensioned when the back of the blade is pressed down against the ground by operation of linear motors 5. The spring, a torsion bar 25 connected at one end to the blade and at the other end to the support 8, is unstressed when the blade returns to the dozing position from the stabilizing position.
Patent GB-353853-A (GB)
Title: Process of and apparatus for manufacturing hydrocarbons with lower molecular weight from hydrocarbons with higher molecular weight
IPC: C10G9/40
Filed: 1930-01-24
Abstract: <PICT:0353853/III/1> Oils are cracked by passing them through a pipe 6 into contact with molten lead &c. in a reaction chamber 1, the lead being circulated continuously through the chamber 1, a pipe 5, and a coil 2, situated in a furnace heated by a burner 3.  The oils and the molten liquid may flow concurrently or in opposite directions.  The pipe 5 may be cooled by a current of cold air or strongly cooled flue gas.
Patent GB-174285-A (GB)
Title: Improvements in or relating to mechanical toys
IPC: A63H13/06
Filed: 1921-01-20
Abstract: 174,285. Baxter, E. Jan. 20, 1921. Mechanical toys. - A toy consists of figures representing boxers and a container for the figures which is also made to represent the "ring." The figures A, Fig. 1, preferably made of plaster fibre, have 'flexible arms C made of india-rubber. Each figure is secured to a wire fork E which forms a manipulating-handle and may be stiffened by strips of wood F. The box or container G, Fig. 4, in which the figures are stored, has slits in its base through which the handles can be passed and corner posts H, and cords are fitted to form the ring. One of the side walls G<4> is hinged so that the operator's hands can rest on the table below the "ring."
Patent GB-837465-A (GB)
Title: Self-propelling, powder-dispensing compositions
IPC: A61K9/00
Filed: 1958-01-27
Abstract: A self-propelling composition capable of dispensing a powder in aerosol form comprises a finely divided powder suspended in a mixture of a liquefied propellant having a b.p. less than 65 DEG  F. at atmospheric pressure and a liquid non-ionic surface-active agent. The powder should have a substantially uniform particle size not greater than 100 microns, preferably less than 25 microns, constitute 0.01-20% by weight of the composition and desirably be insoluble in the surface-active agent-propellant mixture.  Many medicines are specified as powders.  Particularly for water-soluble powders the moisture content of the composition should be less than 300 parts per million by weight.  The propellant is preferably a fluorinated or fluorochlorinated alkane containing not more than two carbon atoms and at least one fluorine atom, i.e. a "Freon."  Other propellants are named. The surface-active agent should be preferably soluble in the propellant and constitute 0.1-20% by weight of the composition and have a hydrophile-lipophile balance (HLB) ratio of less than 10, preferably 1-5.  Many surface-active agents are named, the sorbitan oleates being preferred.  An anhydrous non-reactive desiccant, e.g. silica gel, may be incorporated in the composition.  The specific gravity of the powder should be at least as great as the specific gravity of the propellant, and where the specific gravity of the medicinal ingredient is less than the specific gravity of the propellant an auxiliary solid (several specified) should be added.  A formula is provided for the minimum amount of auxiliary solid required in such cases. The amount of auxiliary solid employed should be 1-10, preferably 1-3, times this minimum.
Patent GB-1125061-A (GB)
Title: Semiconductor coating reactor
IPC: C30B25/12
Filed: 1967-01-18
Abstract: 1,125,061. Deposition of silicon. DOW CORNING CORP. 18 Jan., 1967 [12 May, 1966], No. 2667/67. Heading C1A. [Also in Divsions C7 and H1] A large number of semi-conductor crystals which are substantially identical as to resistivity, thickness &c. are produced simultaneously by mounting substrate bodies 36 with their exposed surfaces substantially vertical in recesses 34 in a cylinder 32 and causing vapour phase semi-conductor to impinge on the exposed surface of each substrate through a corresponding aperture 29. The vapour is a volatile compound (e.g. SiCl 4 ) of the required semiconductor and the substrates are heated so that the deposited semi-conductor is formed by pyrolitic decomposition of the vapour. In the apparatus shown the vapour enters the inlet 27, the cylinder 32 is heated by an electric heater element 42 and the whole apparatus is surrounded by a water cooled jacket 11. The heater 42 and the cylinder 32 may be relatively rotatable; and the construction may be .so modified that the direction of gas flow from the apertures 29 to the bodies-36 is radially outward rather than radially inward as shown.
Patent GB-109738-A (GB)
Title: Improvements in Boring Tools.
IPC: B23B51/10
Filed: 1917-02-24
Abstract: 109,738. Gairing, E., and Eclipse Interchangeable Counterbore Co. Feb. 2 1917. Sockets.-Means for disengaging a drill socket from its spindle without stopping the rotation of the latter comprise a knurled sleeve B confined between a shoulder on the socket and a collar C secured by a pin. A transverse pin E in the socket is arranged to pass a flat D<2> on the drill shank and to enter a locking groove D<3>. To prevent accidental disengagement, a groove D<4> receives a yielding detent F saw-cut to receive a retaining spring G fitted in a groove on the socket. Drills.-Counterboring and other pin drills have the pilot H' provided with a square stem H<2> received in a corresponding bore in the drill and retained by a nut I.
Patent GB-414114-A (GB)
Title: Silencers for gaseous currents
IPC: F01N1/08
Filed: 1933-01-28
Abstract: 414,114. Exhaust-silencers. BLANCHARD, J. G., 111, Upper Richmond Road, Putney, London. Jan. 28, 1933, No. 2761. [Class 7 (ii).] The silencer comprises a casing 1 of cylindrical, conical or other form with inlet 3 and outlet 4, and enclosing baffles consisting of plates formed into wing portions 7, 8 with an intermediate portion 6 of rectangular, trapezoidal or triangular form arranged about the axis of the casing. Passages 9 of limited area are formed at one or both ends of the part 6 to produce whirling and collision of the gases. Specification 281,808, [Class 7 (ii)], is referred to.
Patent GB-162746-A (GB)
Title: Improvements in or relating to button fasteners
IPC: A44B1/34
Filed: 1920-01-29
Abstract: 162,746. Edwards, L. J. Jan. 29, 1920. Button-fasteners.-A buttonfastener comprises a flat disk 1 having an integral looped tongue 2 the end of which lies flush with the periphery of the disc. The eye 7 of a button 5 is received in the loop 3 in the tongue.
Patent GB-555505-A (GB)
Title: Improvements in or relating to briquetting machines
IPC: C10L5/06
Filed: 1942-03-04
Abstract: 555,505. Shoots. SCOTTISH MACHINE TOOL CORPORATION, Ltd., and CLEMENTS A. B. March 4, 1942, No. 2843. [Class 78 (i)] In a briquette-making machine the material is loaded into a hopper 5 surmounting a shoot 1 expanding in the downward direction and leading to a ram chamber 2. The shoot 1 is rapidly vibrated. by a rod 10 pivoted at 13 to the base of the shoot and caused to reciprocate axially by teeth 7 on a rotating wheel 6. The teeth 7 bear on the outer tip of the rod 10, which is pressed continuously against the teeth by a spring 11 acting on a nut 12 adjustable along the rod. The base of the shoot 1 is fitted with angle bars 4 slidable in guides and the upper part is pivoted.
Patent GB-352039-A (GB)
Title: Improvements relating to composite structures particularly suitable for use as valveseatings, thrust bearings and the like, and to methods of producing the same
IPC: F16K1/42
Filed: 1930-01-28
Abstract: 352,039. Thrust bearings. TRIGGS, W. W., 57, Lincoln's Inn Fields, London.- (Everlasting Valve Co. ; 1, Exchange Place, Jersey City, New Jersey, U.S.A.) Jan. 26, 1930, No. 2895. [Class 12 (i).] A compressible valveseating or thrust-bearing &c. la, which may consist of layers of asbestos compressed and vulcanized, is secured in a carrier 50 by means of a deformable tube 30. The lower end of the tube is pressed into an undercut recess 26 by flattening a coned ring 35 by means of a plunger 39. The upper end of the tube 30 is then deformed by means of a coned plunger, to grip the ring 1a. Where the carrier has a straight through passage, the ring 35, after deforming the tube 30, is forced out through the passage.
Patent GB-544024-A (GB)
Title: Trimmer mechanism for sewing machines
IPC: D05B37/04
Filed: 1941-03-04
Abstract: 544,024. Sewing-machines. FAIRWEATHER, W. C. (Singer Manufacturing Co.). March 4, 1941, No. 2913. [Class 112] Mechanism for actuating a trimming cutter and for putting it into and out of operation durthe running of the machine comprises toggle links 52, 54. Fig. 4, acting as an eccentric rod driving the cutter-operating shaft 38 from the main shaft 4, a stop 54<SP>1</SP> and a spring clip 58 for keeping the toggle straight and manual means for breaking and straightening the toggle. A shaft 60 is treadle-operated by means of a chain 63 and carries a toggle-straightening arm 67. It also carries a curved arm 70 upon which is pivoted a finger lever 72 with a togglebreaking arm 73. The levers 67, 70 are urged upwards by a spring 64 and are locked in the straightened toggle position by engagement of the arm 73, under a part 47'. When the finger lever is raised the arm 73 is moved from the part 47<SP>1</SP> and presses the toggle out of the straight. The lever 70 then rises under the action of spring 64 and the breaking of the toggle is completed. The upper cutter 17, Fig. 7, is clamped between a plate 20 and a part 19 carried at the lower end of a sliding bar 22. - The actuating pitman 35 is pivoted to a lug 31 on the plate 19 having supplementary guiding surfaces 29 sliding in a channelled guide-way 28 secured to the machine head. The fixed cutter. 77 is clamped to a plate 78 adjustable on the machine bed. A plate 89 pushes the trimmings through a hole in the work support on to a chute 93. Specification 529,748 is referred to.
Patent GB-936161-A (GB)
Title: Improved means for sorting grains
Inventor: LEMAIRE DESIRE
IPC: B07C5/346
Filed: 1961-01-25
Abstract: 936,161. Feeding grains singly; suction feed and delivery. ATELIERS DE CONSTRUCTIONS ELECTRIQUES DE CHARLEROI. Jan. 25, 1961 [Jan. 27, 1960; July 21, 1960], No. 2926/61. Class 78 (1). Grains are removed from hopper 10 by the fingers 3 of rotating wheel 2 and are released over hopper 12 and deposited therein. Each grain then falls into recess 13 of rotary disc 15 so as to be delivered to measuring apparatus 17. Apparatus 17 operates trap devices 14 beneath the recesses 13 to effect a sorting of the grain. As shown, fingers 3 are carried by a hub 2 which rotates round spindle 1. Suction is introduced at 8 and air at atmospheric pressure is introduced at 9. Each finger 3 carries a sliding cap 5 influenced by spring 7. The suction within the finger 3 attracts and grips a grain at 11. This blocks aperture 11 and the suction within causes movement of cap 5 inwards of finger 3. The finger 3 therefore rotates carrying the grain until it comes into engagement with air at 9 at which the cap 3 is forced outwards and discharges the grain into hopper 12. Alternatively the fingers 3 may be carried so as to reciprocate or may be supported on a horizontal rotary disc. Again they may collect grains from one conveyer and discharge them on to another conveyer.
Patent GB-1084562-A (GB)
Title: The production of magnetic fields
IPC: H02K44/16
Filed: 1965-01-22
Abstract: 1,084,562. Generators operating by electromagnetic interaction with fluids. SIEMENSSCHUCKERTWERKE A.G. Jan. 22, 1965 [Jan. 22, 1964], No. 3033/65. Heading H2A In the magnetic field system, of a MHD generator or pump having a tapered duct, adjacent polepieces producing the transverse magnetic field are axially spaced from one another by a distance which is proportional to the difference in the transverse distances of the respective polepieces from the duct axis. Polepieces 6, 7, 8, 9 are spaced from duet axis 21 by successively greater amounts and are axially spaced by distances 10, 11, 12 which are equal to the distance by which each succeeding polepiece is spaced further from the axis. To ensure that a constant magnetic induction is obtained, each succeeding polepiece is wound with a greater number of turns 13-16 to compensate for the larger transverse air gap and shunt rings 24-26 are used to equalize the flux between the polepieces. A similar assembly of polepieces is used at the opposite side of the duct. The polepieces may comprise a composite assembly of laminations staked at the leading edge with the laminae parallel to the axis and at the trailing edge with the laminae perpendicular to the axis, Figs. 4 and 5 (not shown).
Patent GB-574914-A (GB)
Title: Improvements relating to high frequency electric induction heating
IPC: H05B6/36
Filed: 1944-02-18
Abstract: 574,914. Electric induction heating. STANDARD TELEPHONES & CABLES, Ltd. Feb. 18, 1944, No. 3057. Convention date, Feb. 25, 1943. [Class 39 (iii)] In the high frequency induction heating of workpieces, e.g., for surface hardening, inequalities in the depth of heating due to counter magneto-motive forces in the workpiece are prevented b) the use of a shield S of high electric conductivity sur. rounding the inductor A. A slot 4 is provided to prevent a closed circuit, and the shield is earthed at 7 and connected to the central part of the in ducing coil A at 8. The frequency is of the order of 5,000,000 cycles per second.
Patent GB-547567-A (GB)
Title: Improvements in or relating to weighing apparatus suitable for the weighing of molten metal or other material
IPC: G01G19/14
Filed: 1941-03-07
Abstract: 547,567. Transporter weighing cranes. PINOFF, F. M. March 7, 1941, No. 3137. [Class 143] In a transporter weighing crane wherein a trolley 8 carrying a load 10 may be run on to a floating section of the track constituting a weighing platform 11 located at a predetermined distance from a load indicator 12 forming part of the crane structure, the platform levers are coupled to the indicator by a fulcrum coupling member or pipe lever 15. As shown, the platform 11 is suspended from Y- shaped weighing levers 13 connected by a transfer lever to one arm of the pipe lever 15 fulcrumed in brackets 16. The other arm of the pipe lever is connected by a rod 18 and lever 19 to the weight indicator mechanism 12 arranged in or adjacent to the control cab 32. The platform 11 may be located at any convenient position on the travelling bridge 5, the length of the pipe lever being correspondingly selected to connect with the indicator.
Patent GB-1088703-A (GB)
Title: Junction laser structure
IPC: H01S5/12
Filed: 1965-01-25
Abstract: 1,088,703. Semi-conductor lasers. GENERAL ELECTRIC CO. Jan. 25, 1965 [Feb. 19, 1964], No. 3237/65. Headings H1C and H1K. A semi-conductor junction laser 1 has a corrugated junction region 18 which causes emitted radiation not parallel to the plane of the junction to be absorbed in the semi-conductor material. The laser comprises a gallium arsenide wafer having a zinc-doped P-type region 2 and a tellurium-doped N-type region 3, plane parallel reflecting surfaces 11, 12 being formed adjacent the junction edges. Electrodes 5 and 7 are respectively secured to the P and N regions by an acceptor solder 6 of three weight per cent zinc, the remainder being indium, and by a tin donor solder 8. Operation may be at reduced temperature. In a modification Fig. 2 (not shown), the semi-conductor is in the form of a cylindrical body 30 having a central N-type region and an external P-type region, the corrugated junction region 31 being a continuous annular zone between the two regions. A sinusoidal form of junction may be used, as shown, or the junction may be of sawtooth or rectangular wave configuration with regular or irregular periodicity. Constructional processes are described. In one process a major surface of a flat N-type semiconductor wafer is cut by a cutting wheel or grooved tool to provide grooves having a variable depth corresponding to the junction configuration. P-type material is then diffused into all the wafer surfaces. Subsequently the wafer is cut and ground so as to provide a body having an edge surface formed by the corrugations within the grooves. In an alternative process the junction is defined by masking strips of silicon monoxide which is deposited by evaporation prior to the diffusion of P-type material.
Patent GB-1223404-A (GB)
Title: Method of joining clad material and joint
Inventor: MEYER JOHN J
IPC: B23K33/00
Filed: 1969-01-20
Abstract: 1,223,404. Welding by fusion. NOOTER CORP. 20 Jan., 1969, No. 3237/69. Heading B3R. In a welded butt joint between two pieces A, B of corrosion-resistant clad material, in the fabrication of vessels, containers, shells, heads, nozzles, pipes &c., wherein each piece comprises a top layer 1 of corrosion resistant metal such as tantalum, columbium, tungsten, molybdenum, of at least 0À030 inch thickness, an intermediate layer 2 of copper of 0À050 to 0À070 inch thickness, and a base metal 3, e.g. steel, firstly, the top and intermediate layers 1, 2 and a top skimming of the base metal of each of the pieces are cut back at least 0À25 inch, as by planing, grinding or notching and peeling, to form new edges 8; secondly the base metals, after inverting, Fig. 3, are notched at 75 degrees, by flame cutting or grinding, leaving lands 10, and conventionally welded together by one or more passes 13; thirdly the space between the edges 8 is filled, as by silver filler, or, as shown, a copper strip 22 and approx. 0À125 inch wide silver fills 18, 19, the strip 22 and fills 18, 19 being smoothed flush with the topmost surfaces 4, as by grinding or wire brushing; and, finally, a strip 23, of the same material as that of the top layers and overlapping the latter at each side at least 0À25 inch, is welded at its edges 25 to the top layers. The copper intermediate layer is provided for heat dissipation to avoid destruction, during welding, of the clad material, the layer 1 and the base metal having widely differing melting points. In welding the base metals at 13, the lands 10 are positioned 3/32 to 1/8 inch apart and tacked at 6 to 12 inch intervals before making the passes 13. Undisturbed regions 21 of the base metals prevent the heat from the fills 18, 19 from damaging the weld passes 13. Prior to welding-on the strip 23, purge holes 24 are drilled through the passes 13 and the copper strip 22, and the top surfaces 4 are wire brushed and cleaned with a solvent such as alcohol. The edges 25 are then sealed with masking tape and oxidation preventing gas is fed under the strip 23 through the purge holes. The masking tape is removed just prior to welding the edges 25. The purge holes may be used to test the welds, as by soapy solution, dye penetrant, or helium, the latter being sniffed with a helium mass spectrometer. The strip 23 is preferably at least 0À60 inch thick; if thinner, the edges thereof should be turned up to form a flange for welding.
Patent GB-577281-A (GB)
Title: Process of desulphurising iron pyrites ash
IPC: C22B1/02
Filed: 1941-03-10
Abstract: 577,281. Sulphur dioxide. SOC. ANON. DES MANUFACTURES DES GLACES ET PRODUITS CHIMIQUES DE ST.-GOBAIN, CHAUNY, ET CIREY, and ORY, G. C. March 10, 1941, No. 3263. Convention date, Jan. 5, 1940. [Class 1 (ii)] [Also in Group II] Desulphurizing of roasted pyrites ash is effected by heating by means of an exterior source of heat in a neutral or slightly oxidising atmosphere at such temperatures above 600‹C., e.g., 1000-1100‹C. that Fe2 O3 is reduced to Fe3O4 the thus freed oxygen ensuring the partial or total combustion of the sulphur. In the case of high sulphur content a small quantity of air may be introduced at the end of the reaction into the reaction space.
Patent GB-1112608-A (GB)
Title: Improvements in solid fused silica articles and method of fabricating same
IPC: C04B35/48
Filed: 1966-01-25
Abstract: A fused silica solid body, e.g. an astronomical mirror blank, of substantial thickness is made by assembling a plurality of elongated ingots of fused silica shaped to fit together in upstanding side-by-side positions to form the body, in a crucible defining a cavity of the shape of the solid body, fusing together the ingots while preserving the integrity of the ingots, and then rapidly reducing the temperature to below the liquidus temperature of the fused silica but above the annealing temperature.  The fused silica ingots are ground by a silicon carbide wheel to a hexagonal shape, whereafter they are washed in trichloroethane, hydrofluoric acid and water.  The ingots are then placed in a crucible (see Specification 1,112,608) made of zircon slabs coated with zirconia.  The heating is preferably carried out in a natural gas-air fired furnace.  The assembly is rapidly heated to 1800 DEG  C. where it is held for from 30 to 120 minutes and then cooled rapidly to 1250 DEG  C., whereafter it is slowly cooled through the annealing range before being finally reduced to room temperature.
Patent GB-1130339-A (GB)
Title: Mineral separation
Inventor: HIRST ARTHUR ALGERNON
IPC: B03B5/34
Filed: 1965-01-26
Abstract: 1,130,339. Centrifugal separators; separation of minerals. COAL INDUSTRY (PATENTS) Ltd. 25 Jan., 1966 [26 Jan., 1965], No. 3387/65. Headings B2H and B2P. In a hydrocyclone for separating mineral particles (e.g. raw coal) of different densities, using a dense medium (e.g. a suspension of magnetite in water) as a carrier, and comprising a separating vessel 2 which is of frustoconical or partly frusto-conical shape and which has a tangential inlet conduit 1 for the supply of the mineral particles and the dense medium, an aperture 4 at its apex for the discharge of the relatively denser particles and dense medium and a conduit 3 opposite the apex for the discharge of the relatively less dense particles and dense medium, the discharge aperture 4 opens into an adjacent cylindrical chamber 5 coaxial with the vessel 2 and of a diameter greater than that of the aperture 4 and having a tangential outlet conduit 6 directed away from the chamber 5 in a direction corresponding to the rotational direction of movement imparted to the dense medium and the mineral particles by the inlet conduit 1. The aperture 4 constitutes the sole inlet to the chamber 5 which has a flat wall opposite the apertures. The conduit 6 is tangentially connected to a second hydrocyclone or other centrifugal separator 7 in which further separation of the relatively denser particles takes place. In the chamber 5, the rotational energy of the dense medium discharged, through the aperture 4 is converted, at least in part, into pressure energy. Dense medium or water may be injected through a conduit 15, Fig. 2 (not shown), into the conduit 6 in order to vary the density of the dense medium in the separator 7.