baber/WOPTO huggingface dataset:
Patent GB-967155-A (GB)
Title: A method of and apparatus for use in producing a cartridge-type rectifier
IPC: H01L21/06
Filed: 1963-06-12
Abstract: 967,155. Making rectifiers; punching. ELECTRONIC DEVICES Inc. June 12, 1963 [June 14, 1962], No. 23329/63. Headings B3A and B3W. A method of making a cartridge-type rectifier comprises the steps of locating a cartridge casing below a block having a die aperture therein, inserting plate stock between the die block and a reciprocatory punch and punching out individual cells which are caused to form a stack in said casing. The plate stock 10 comprises a film of amorphous selenium 12 applied to a base layer 11 of nickel- or bismuth-plated etched aluminium or steel, and a counter electrode 13 of sprayed or vacuum deposited cadmium or tin alloy. An apparatus for performing the method comprises a die block 20 having die apertures Dx, Dy and Dz, a guide plate 21 for the work 10, a punch-holder 22 supporting punches Px, Py, Pz and a spring-loaded stripper 29. The punch holder reciprocates on columns 24, 25 and is operated by fluid cylinders 27, 28. Beneath the die block is a magazine loading subassembly comprising an upper plate 32, a lower plate 33 and connecting guide posts 34 and 35. Sliding on the posts is a motion plate 36 which is reciprocated by air cylinders 37 and 38 and which supports vertical rails 39 and 40. An elevator block 41 slides on the rails and is supported by an hydraulic cylinder 42, and the top ends of the rails are joined by a pin guide block 43. Three counter pins CPx, CPy and CPz are secured to the elevator block and move through apertures 44x, 44y, 44z formed in the upper surface of the pin guide block to receive cartridge casings 15. In operation the motion plate 36 is raised until the upper ends of the casings 15 engage the underside of the die block, and then the counterpins are raised until they contact the underside of the plate stock 10. At each stroke of the press a disc is punched from the plate stock 10 by each of the punches, and passes into the die aperture and hence to the casings 15. The counter-pins are controlled by the cylinder 42 so that they retract by an amount equal to the thickness of the disc at each stroke of the press. When the casings are full the motion plate 36 is lowered and a clamp comprising two bars 46, 47 joined by screws 48 and 49 is fitted over the casings. A further fixture comprising a block 50 having sockets Sx, Sy and Sz to receive the casings, is fitted over the upper ends of the casings 15 and the assembly of clamp and fixture is rotated through 180 degrees to lie on the backing plate 52 of the fixture. In this position, cleaning procedures are applied to the assembly, access to the cells being had through the openings 50. The rectifiers are completed by fitting a spring 16 and end caps 17 and 18.
Patent GB-1506829-A (GB)
Title: Forming branch sockets in tubes
IPC: F16L41/08
Filed: 1976-06-07
Abstract: 1506829 Pipe branch tools RAST PATENT MFRS PTY Ltd 7 June 1976 [13 June 1975] 23362/76 Heading F2G [Also in Division B3] A socket for the subsequent attachment of a branch (e.g. according to Specification 1,503,131) is formed in a pipe wall by inserting into a hole in the wall the expandible jaws 5 of a branching tool, placing against the pipe wall a former 15 slidable on the outside of the jaws and expanding the jaws 5 and retracting them from the hole by simultaneously forcing the former 15 forwardly of the jaws 5, the socket being formed in the gap between the jaws 5 and the surrounding former 15. The jaws 5 are located on a cap 6 screw-threaded to a body 1 having a tapered drift 2 and levers 3 for expanding the jaws 5. Flanges 8, 9 on the jaws locate them on the cap 6, allowing movement radially of the cap but not axially, and a spring 10 urges the jaws 5 radially inwardly. A retaining cap 20 secured to the cap 6 allows limited movement of the former 15 relative to the jaws 5. The former 15 has a semi-circular groove 18 for engaging the pipe wall; a rear support engageable with the former 15 may provide support around the entire pipe in the region of the socket during forming. A groove 25, knurling or corrugations at the end of the jaws improves frictional grip with the pipe wall.
Patent GB-1395648-A (GB)
Title: Diamond synthesis
IPC: B01J3/06
Filed: 1972-05-18
Abstract: 1395648 Synthetic diamond STANDARD TELEPHONES & CABLES Ltd 10 May 1973 [18 May 1972] 23436/72 Heading C1A Synthetic diamond is produced by heating a non-diamond carbon, e.g. graphite, in the presence of a catalyst comprising Ge together with V, Ti, Mo, W, Zr and/or Hf at a temperature of at least 1000‹ C. and a pressure of at least 50 kilobars. The graphite and/or catalyst may be in powder or solid form. The process is preferably carried out by heating a stack of slices comprising in sequence Ti, Ge, C, C, Ge and Ti, there being equal atomic amounts of Ge and Ti present, at a temperature of 1600‹ C. and pressure of 50 kilobars for 15-30 mins.
Patent GB-1304606-A (GB)
IPC: H04J1/08
Filed: 1970-05-15
Abstract: 1304606 Multiplex systems WESTERN ELECTRIC CO Inc 15 May 1970 [15 May 1969] 23551/70 Heading H4R In a frequency division multiplex system each channel includes a single side-band modulator formed by a device 10 which samples the incoming signal, and a commutating modulator 16 which feeds the signal samples to two circuit branches each including a digital filter 13 and a modulator 14, fed with sampled quadrature related carriers, to develope single sideband signals in the adder 15. Each digital filter 13 preferably comprises a first recursive digital filter operating at the basic Nyquist rate, e.g. 8000 Hz for a 4000 Hz telephone channel, followed by a non-recursive filter operating at a multiple of the basic Nyquist rate. Simplification and reduction of the number of computation operations is effected by performing the modulation step before the second filtering step as shown in Fig. 4, since the convolution function, which is related to the desired filter transfer function, can be calculated once per computation cycle rather than once for each channel per computation cycle.
Patent GB-703077-A (GB)
Title: Improvements in or relating to auxiliary bicycle engines
Inventor: WEATHERLY JAMES ALBERT
IPC: B62M7/10
Filed: 1950-09-26
Abstract: 703,077. Luggage carriers; engine assisted cycles. POWERDRIVE, Ltd. Dec; 24, 1951 [Sept. 26, 1950], No. 23573/50. Classes 79(3) and 136(1) [Also in Groups XXVII] An auxiliary engine unit mounted over and driving the rear wheel of a bicycle or tandem bicycle is provided with a cover 1 which partially encloses the unit and serves also as a luggage carrier. The cover may be open at both ends to allow the passage of air for cooling purposes and is fastened to the fuel tank 6 by quick release fasteners 5, 7. The top portion 2 of the said cover is horizontal and is provided with holes through which luggage straps 4 are threaded. The engine unit is supported by a bracket 36 clamped to the rear fork 41 of the bicycle, through rubber pads which cushion vibration. The bracket is formed with a gate engaged by a handle 34 on the engine, in a first position where a friction roller, driven by the engine, contacts the road wheel 26 or a second position where the said roller is free of the road wheel. The petrol tank 6 is supported at the rear by an adjustable strut 44 and connected at the front by two lugs 43 to the bracket 36. The cover may. also be shaped to form part of, or to support, a number plate which may be illuminated by a rear light and a handle 46 may be provided at the rear end of the cover for lifting purposes. An exhaust valve lifter lever 45 is operated by a cable from the handlebars of the bicycle.
Patent GB-734204-A (GB)
Title: Improvements in or relating to the manufacture of hydrogen peroxide
Inventor: HACK KENNETH MICHAEL
IPC: C01B15/023
Filed: 1952-09-19
Abstract: In a cyclic process for the preparation of hydrogen peroxide by reduction of an alkyl or aryl substituted anthraquinone, e.g. 2-ethyl or butyl anthraquinones, and autoxidation of the resultant anthraquinhydrone or anthrahydroquinone with subsequent removal of the hydrogen peroxide formed, the solvent comprises an ester of phthalic acid, e.g. dibutyl-, dimethyl-, diamyl-, di-(ethylhexyl)-, di-(ethylene glycol monobutyl ether)-, dibenzyl-, or benzyl-butyl-phthalates, and should have a melting-point of not more than 50 DEG  C.  The reaction temperature should be sufficient for the ester to be liquid.  The anthraquinone is reduced with hydrogen in the presence of a palladium catalyst say at 20 DEG  or 30 DEG  C. After separation of the catalyst the reduced solution is oxidized by blowing in air, and hydrogen peroxide is extracted with a countercurrent of water. Specifications 465,070, 508,881, [Group I], 669,274, and 671,524 are referred to.
Patent GB-929255-A (GB)
Title: Improvements in and relating to porous sheets or films of plastic material and process for the preparation of such sheets or films
IPC: B29C44/28
Filed: 1961-06-30
Abstract: Porous thermoadhesive sheet or film of thermoplastic material comprises grains of plastic material agglomerated in a coherent structure, empty spaces being provided between the grains so as to render the sheet or film porous, and the sheet or film having a thickness of 0,1-0,6 mm. and weighing 20-100 g./sq. metre.  To prepare such sheets or films grains of thermo-plastic material in the form of a powder or an emulsion, the size of the grains being 0,1-0,5 mm., are spread over a surface and heated to a temperature between the softening temperature and the melting temperature of the thermoplastic material, and, after cooling, the sheets or films formed are detached from the surface.  Specified thermoplastic materials are polyolefins, e.g. polyethylene, polyvinyl chloride, polyvinyl acetals, e.g  polyvinyl formal, acetal or butyral, and polyformaldehyde.  The porous sheets or films may be used in the clothing or shoe industries for the purpose of sticking together two layers of fabric or of leather; other uses specified include house-furnishings and mosquito nets.ALSO:Porous thermoadhesive sheet or film of thermoplastic material comprises grains of plastic material agglomerated in a coherent structure, empty spaces being provided between the grains so as to render the sheet or film porous, and the sheet or film having a thickness of 0,1-0,6 mm and weighing 20-100g/sq. metre.  To prepare such sheets or films grains of thermoplastic material in the form of a powder or an emulsion, the size of the grains being 0,10-0,5 mm, are spread over a surface and heated to a temperature between the softening temperature and the melting temperature of the thermoplastic material, and, after cooling, the sheets or films formed are detached from the surface. Specified thermoplastic materials are polyolefins e.g. polyethylene, polyvinyl chloride, polyvinylacetals e.g. polyvinyl formal, acetal or butyral, and polyformaldehyde.  The porous sheets or films may be used in the clothing or shoe industries for the purpose of sticking together two layers of fabric or of leather; other uses specified include house-furnishings and mosquito nets.
Patent GB-945567-A (GB)
Title: Improvements in getter devices of the ring shaped kind
IPC: H01J7/18
Filed: 1961-06-30
Abstract: 945,567. Discharge apparatus. S.A.E.S. S.p.A. June 30, 1961 [March 18, 1961], No. 23711/61. Heading H1D. A ring-shaped getter device comprises a container 1 for a vaporizable getter material 2, Fig. 4, having a heat sink member 1<SP>1</SP> integral therewith or in intimate heat conductive contact therewith and extending in a direction such as not to impede the emission of getter vapour from the container when the device is heated. The getter is flashed by induction heating, and it is stated that the presence of the heat sink member reduces the risk of the container vaporizing. A shielding member 2, Fig. 7, may be attached to the heat sink member at a few points only, and a tongue may be provided on the shielding member or the heat sink member to provide a support. for the getter device.
Patent GB-282865-A (GB)
Title: Improvements in and relating to coin-freed apparatus for vending liquids
IPC: G07F13/10
Filed: 1926-09-25
Abstract: 282,865. Henderson, W. Sept. 25, 1926. Moving-chamber apparatus. - A coin-freed apparatus for vending measured quantities of liquids, particularly milk and cream, comprises a casing 1, Fig. 1, having two chambers 2, 3 insulated from the air and from each other by wooden walls 1<a> and an intermediate layer of cork 1<b>, the chamber 2 being for the milk container 4 and the chamber 3 for the purchaser's receptacle and the, coin-freeing mechanism. The chamber 3 has a narrow passage 7 into which the delivery conduit 5 issues, this passage being closed by a vertically sliding door 7<a> to prevent access to it by children. The liquid is delivered by a measuring cup S sliding on guides 10, the lip of the cup in its raised position meeting a fixed abutment 15 which tilts it about a pivot 9<a >to discharge its contents to a pocket 4a controlled by a tab 4<b> and delivering through a pipe 5 to a pivoted trough 17. The weight of the liquid depresses the trough about a pivot 17<a>, Fig. 2, so that its spout with the aid of a cam projection 17<c> forces open a counterbalanced flap 18 pivoted at the top of the passage 7 and screening the delivery mouth. The pipe 5, further, has a bend 5<a> forming a liquid seal. Agitating means, such as a perforated plate, may be connected to the moving measure, which is raised and lowered by a chain or the like 20 passing over a guide pulley 21 and connected to a pulley 22 fast on a shaft 23 which is turned by a handle 33<a> and is normally locked until a coin is inserted. The chamber 2 also contains a cream container 33 similar to the container 4 and operated by similar coin-freed mechanism. The container discharges through a pipe 33a into the pipe, 5. The level of liquid in the containers is indicated by floats carrying rods 46, 46<a> which actuate through levers 47, 53 and rods 48, 54. shafts 50, 56 carrying pointers working over indicating scales.
Patent GB-532170-A (GB)
Title: Improvements in and relating to methods of and means for removing defects in billets and the like
IPC: B23K9/00
Filed: 1939-08-17
Abstract: 532,170. Electric heating. BRITISH THOMSON-HOUSTON CO., Ltd. Aug. 17, 1939, No. 23751. Convention date, Aug. 17, 1938. [Class 39 (iii)] [Also in Group XXII] In removing surface defects in or surface grooving billets by progressively melting the surface along a predetermined path and magnetically expelling the molten metal from the surface as fast as it is formed the surface melting may be effected by a manually or automatically controlled electric arc formed between a graphite or other carbon electrode 14 or a water cooled metal electrode and the work 12, the electrode being traversed along the surface of the work in a direction away from the positive terminal 10 of a current source connected to the work. The electrode is inclined preferably in a direction away from the direction of travel and at an angle from 30 degrees to 45 degrees so as to produce a magnetic field which expels the molten metal in a forward direction and forms a groove in the surface of the work. Any ejected particles which fall on the surface may be removed by a wire brush or scraper. A one-inch graphite electrode may be used with a current of 1,800- 2,500 amperes at 20 to 45 volts. The magnetic effect may be intensified by a magnet, preferably by an electromagnet 18, traversed along with the electrode, the coil 17 of which is connected in series in the supply circuit, which contains an adjustable resistance 15 and an inductance 16. The electromagnet may also be provided with another coil 19 excited from a source 20 to produce a field in the same direction as that produced by the coil 17. The magnet may be placed diagonally to the direction of travel so that the molten metal may be discharged in a diagonal direction. Alternating or direct current may be used.
Patent GB-599334-A (GB)
Title: Electric light bulb
IPC: H01K1/32
Filed: 1945-09-14
Abstract: 599,334. Incandescent lamps. GETZ, C. E., GETZ, D. A., ETTINGER. L., ETTINGER, S., PELLMAN, M. E., GROSSE, M. J., GROSSE, M. E., ETTINGER. M., HOWARD, B. E., and HOWARD, H. J. Sept. 14, 1945, No. 23813. Drawings to Specification. [Class 39 (ii)] The light emitted from an electric incandescent lamp bulb containing a filament with the lighting characteristic of tungsten is modified to accentuate the green rays by coating the outside of the bulb with a clear enamel containing an amount of a reflective pigment which cuts off between 15 and 45 per cent of the total light on direct transmission and is sufficiently reflective to result in the ultimate emission of the major part of the light that is cut off on single transmission. The reflector pigment employed is selectively reflective to increase the proportion of reflective light having a wave length of 5000 to 5500 Angstrom units. The dispersion of light inside the lamp is preferably increased by internal frosting. The principally effective ingredients of the pigment may be the oxides of chromium cobalt and antimony with a larger proportion of an oxide of titanium.
Patent GB-522888-A (GB)
Title: Improvements in or relating to a machine for cutting threads and the like on workpieces
IPC: B24B19/02
Filed: 1938-12-19
Abstract: 522,888. Grinding &c. screw threads &c. SHEFFIELD GAGE CORPORATION. Dec. 19, 1938, No. 23867/39. Convention date, Jan. 15, 1938. Divided out of 522,837. [Class 60] [Also in Group XXII] In a machine for grinding taper screw threads &c. in which the work is mounted on a slide moved past a grinding wheel and is simultaneously rotated to produce the required lead, the taper is produced by feeding the wheel transversely to the axis of the work by means correlated to the traversing movement. The work slide 34 has an arm 90 on which is secured a slide bar 91, bearing against an adjustable guide 94 mounted on the table 11, and having pivoted thereto at 97 a bar 98 adjustable by a bolt 100 and slot 101. The face 103 of the bar engages the flat surface 104 of a member 105 pivoted to the slide 27, which is pressed forward by springs 108, so that as the slide 34 moves longitudinally, carrying the bar 91, the slide 27 carrying the wheel moves towards or from the work. The bar 98 is set in correct angular position by means of a gauge block inserted between a post 1101 on the bar 98 and a flat surface 111 on the bar 91. The other parts of the machine are as described in Specification 522,837.
Patent GB-1531548-A (GB)
Title: Method of seismic exploration
IPC: G01V1/32
Filed: 1976-06-09
Abstract: 1531548 Seismic exploration ENTREPRISE DE RECHERCHES ET D'ACTIVITES PETROLIERES 9 June 1976 [16 June 1975] 23886/76 Heading G1G [Also in Division H3] In seismic exploration, signals from a particular shot are picked up at each of a number of detecting positions and each signal is sampled and digitized, one bit per sample, by comparing it with a reference voltage selected at random from a plurality of equally spaced reference voltages, and the digitized samples are recorded at respective image points on a two-dimensional time position plot so that the value of the detected signal at any one time/position point is represented by the average density of colour around that point.
Patent GB-279995-A (GB)
Title: Improvements in and relating to lubricating means for engines, bearings and the like
IPC: F01M9/10
Filed: 1926-09-28
Abstract: 279,995. Bonner, C. E. Sept. 28, 1926. Capillary-action lubricating.-The bearing surface of one of two relatively-moving members is formed by one face of a fixed liner which is constructed of porous metal, such as grey castiron, and which is provided with recesses in its other face to which lubricant is supplied, the lubricant passing to the bearing surface through the pores of the liner. As applied to a sleevevalve internal-combustion engine, the sleevevalve 28, Fig. 1, is disposed between the cylinder 12 and a porous metal liner 15 fitted in the cylinder block 11, the outer surface of the liner being formed with grooves 16 separated by ribs 17 which are interrupted at spaced points 18 so as to provide communication between the grooves. Lubricant is supplied to the top groove through a passage 27 in the cylinder block and circulates through the grooves, the bottom one of which communicates through a small passage 26 with a chamber 34 containing the valve gear 30, 31. Lubricant is prevented from gaining access to the ports 19, 21 by interrupting the grooves in the vicinity of the ports. The cylinder 12 may also be constructed of porous metal and be provided with external grooves 47 and ribs 48, Fig. 2, such grooves being supplied with lubricant through a passage 49 in the cylinder flange 45. A porous sleeve 51 is secured on the cylinder 12, so that lubricant passes through the pores in the members 12, 51 to the inner surface of the cylinder and the outer surface of the member 51. The invention is also described as applied to a cylinder liner, to a shaft bearing, and to valve guides of poppet valves.
Patent GB-738659-A (GB)
Title: New or improved device for use in selecting entries for competitions, football pools and the like
IPC: A63F11/00
Filed: 1952-09-24
Abstract: 738,659. Spring clips. SYDNEY, S. Dec. 23, 1953 [Sept. 24, 1952], No. 24012/52. Class 44. [Also in Group XV] A spring clip 16 is formed with oppositelydirected tongues supporting a pointer 15 and is attached to a horizontal peripheral flange forming part of a device for selecting entries in competitions.
Patent GB-258736-A (GB)
Title: Improvements in or relating to machines for dyeing and similarly treating fabrics
IPC: D06B3/32
Filed: 1925-09-28
Abstract: 258,736. Riley, F. Sept. 28, 1925. Jigger machines.-To adjust the tension of the fabric in a. jigger machine by varying the relative speeds of the rollers, oppositely disposed cone pulleys 11, 12 on the shafts of the upper rollers 7, 8 are connected by a belt 13 whose position is adjusted by a fork 15 traversed by a nut on a screwed shaft 14 rotated through worm gearing 16 by one of two hand-wheels 18. The lower roller 9 has a pulley 21 fixed or splined on its shaft by which it is driven by a crossed belt 20 on a cone pulley 19 on the shaft of the roller 7. Hand-wheels 26 operate by similar screw means one or two belt-forks 25 to control the speed of the roller 9. The upper rollers are driven alternately from a main driving-shaft 29 by .a double, friction cone 28 engaging one or other of the friction cones 27 under the control of a hand-wheel 35 rotating by a chain 33 a screw shaft 31 traversing a fork 30.