baber/WOPTO huggingface dataset:
Patent GB-450892-A (GB)
Title: Improvements in and relating to winding handles
IPC: B66D1/06
Filed: 1935-04-05
Abstract: 450,892. Hand-cranks. SLEIGH, H. L., CHESTON, A. S., and STUART, F. J., Widney Works, Bagot Street, Birmingham. April 5, 1935, No. 10528. [Class 136 (ii)] In winding handles or cranks for raising and lowering windows, shutters, &c. on vehicles, ships, &c. and of the type incorporating slipping- clutch mechanism permitting interruption of the drive when a predetermined driving-strain has been exceeded, a spring- actuated plunger or member is incorporated in the handle for slipping engagement with the winding shaft, such plunger or member being adapted to retain the handle normally in position on the shaft and to transmit the drive from the handle to the shaft in a manner permitting relative movement between the handle and shaft when a predetermined driving strain is exceeded. The arm 4 of the crank is provided with a passage 5 communicating with a hole 6 in a boss 7, this hole fitting over the end of the winding-shaft 8, which is provided with an annular groove 14 in the base of which at one side of the shaft is formed a conical recess 15. A plunger 16 with a conical end 17 is mounted in the passage 5 and is forced by a spring 18 into the recess 15, in which position drive is transmitted to the shaft 8. If a predetermined driving force is exceeded (e.g. when a window &c. meets an obstruction), the plunger 16 slips out of the recess 15 into the groove 14, whereby the drive is interrupted, the groove 14 preventing detachment of the crank from the shaft. The compression of the spring 18 is adjusted by means of a screw 20, which passes through and secures the centre pin 10 of the grip 9. The grip 9 is rotatable on the pin 10 and is resiliently mounted by means of a spring 11 interposed between the base of a recess 12 and a head 13 on the pin 10. A rod 19 held by the screw 20 forms a stop to limit the outward movement of the plunger 16. The plunger 16 may be replaced by a steel ball, and further modifications of detail are described.
Patent GB-277891-A (GB)
Title: Improvements in articulated locomotives
IPC: B61C1/02
Filed: 1927-04-20
Abstract: 277,891. North British Locomotive Co., Ltd., and Black, J. April 20, 1927. Right to Patent relinquished. Railway locomotives of compound or articulated construction comprise a boiler unit 1 the carrier frame 2 of which extends beyond the boiler and carries a fuel bunker 7, a bogie 4 pivoted to the carrier frame at a point 6 beneath the bunker and at or about the middle of the latter, the said bogie extending rearwardly of the carrier frame and carrying a tank 8 on its extended portion, and a second bogie 3 pivoted at 5 to the carrier frame. The front bogie 3 may carry a water tank, and front and side tanks may be fitted on the carrier frame.
Patent GB-1071976-A (GB)
Title: Field-effect semiconductor device
IPC: H01L27/098
Filed: 1966-03-10
Abstract: 1,071,976. Semi-conductor devices. HUGHES AIRCRAFT CO.. March 10, 1966 [March 23, 1965], No. 10564/66. Heading H1K. A twin gate, multi-channel F.E.T. comprises two grid-like gate regions each surrounded by a guard region, the purpose of which is to limit the current path to the regions containing the gate electrodes. As shown, Fig. 1, the device is produced by vapour depositing an N-type silicon layer 4 on an N+ type substrate 2, diffusing-in two grid-like P-type gate regions 6, 61 using an oxide masking technique, epitaxially depositing a further layer of N-type silicon over the gate regions, diffusing- in boron to form P+ type guard rings 10, 10<SP>1</SP> surrounding gate regions 6, 6<SP>1</SP> respectively, diffusing-in arsenic to form N+ type source and drain regions 8, 8<SP>1</SP>, and diffusing or alloying regions 12, 12<SP>1</SP> to provide connections to gate electrodes 6, 6<SP>1</SP>. The first deposition step may be replaced by diffusing an N+ type region 2 into an N-type wafer 4, and source and drain regions 8, 8<SP>1</SP> may also be produced by alloying antimony-containing gold to the surface and the alloying depth may be restricted by using a layered gold-silver-gold structure. Gold layers (16, 18, 20) are vapour deposited over the oxide layer (14), to provide electrodes and metallic " bumps " (22, 26, 24) are provided on them, Fig. 2 (not shown), for orientation and circuit connection when the device is encapsulated by applying glass over the upper surface and fusing to form layer (28), Fig. 8 (not shown). The two guard rings (10, 10<SP>1</SP>) may be combined into a single figure-of-eight structure, Figs. 3 and 4 (not shown). Although separate contacts may be applied to the gate electrodes the device illustrated has gate (6<SP>1</SP>) connected by gold layer (20) to the source (8) to reduce the feedback capacitance between drain and control gate. This arrangement is said to be equivalent to two single gate F.E.T.'s connected in series with appropriate gate connections. Fig. 6 (not shown). An " in-line " device, Fig. 5 (not shown), may be produced by diffusing-in gate region (6<SP>1</SP>), epitaxially depositing an N-type layer, diffusing- in gate region (6) above region (6<SP>1</SP>), epitaxially depositing an N-type layer, diffusing-in a single guard ring (10) surrounding both gates, providing source region (8), and making connections (12, 12<SP>1</SP>) to gates (6, 6<SP>1</SP>) respectively. Connection (12) may be partially formed and then completed simultaneously with the formation of connection (12). The semi-conductor material may also be germanium or an A III B v  compound such as aluminium phosphide, aluminium arsenide, aluminium antimonide, gallium phosphide, gallium arsenide or indium phosphide.
Patent GB-981460-A (GB)
Title: Hydrazine derivatives and process for making them
Inventor: DRAIN DAVID JOHN
Filed: 1962-03-20
Abstract: The invention comprises compounds of the general formula <FORM:0981460/C2/1> and their acid addition salts with physiologically tolerable acids wherein R1 represents a C1-4-alkyl group and R2 represents a hydrogen atom or a methyl group and the preparation thereof either by hydrolysing an acyloxy derivative of the formula <FORM:0981460/C2/2> wherein R4 represents an acyl group, together with a modification of the process wherein, when both the groups R1 and R2 are methyl, the acyloxy derivative is prepared from an acyloxybenzyl halide and the hydrazine Me NHNHMe, or by reducing a hydrazine of the formula <FORM:0981460/C2/3> in the presence of a carbonyl compound R5R6CO wherein R5 and R6 may be the same o different and represent hydrogen atoms or groups which, when substituted in the residue CHR5R6, render it equivalent to the groups represented by R1.  Specification 924,600 is referred to.
Patent GB-376810-A (GB)
Title: Improvements in or relating to electric switch structures
IPC: H01H13/16
Filed: 1931-04-10
Abstract: 376,810. Fluid-pressure brakes. STAUDE, E. G., 2675, University Avenue, West, St. Paul, Minnesota., U.S.A. April 10, 1931, No. 10614. Convention date, Nov. 22, 1930. [Class 103 (i).] An electric motor 6 operating a supplementary fluid pressure brake on a vehicle assisting the normal braking action effected by a pedal 3 is started and stopped by a switch comprising movable contacts 20, 35, both mounted on a rod 18 pivoted to a fixed part of the engine casing, the contact 35 being frictionally mounted on the rod 18 by a spring 37. The contact 20 is in driving connection with the pedal so that when the latter is depressed contact is immediately made, and upon continued movement downward the contact 35 is moved along the spindle 18 so that when the pedal is released contact is immediately broken, and maintained broken while the contact 35 is dragged back to its original position by the return of the pedal and the contact 20. In a modification an adjustable spring is provided on the spindle 18 so that if the pedal is completely depressed and then released, the spring is first compressed and then expands to keep the contacts 20, 35 in engagement for a limited amount of return movement of the pedal.
Patent GB-106613-A (GB)
IPC: B65G23/44
Abstract: 106,613. Mascart, C. May 20, 1916, [Convention date]. Driving-gear for endless-belt conveyers; sectional ;Framework; guiding; tensioning.-In belt conveyers of the kind in which the driving mechanism comprising a motor 15 and belts 11, 9, 2 is enclosed within the frame on which the driving, &c., drums are mounted and between the upper and lower runs of the belt, and in which the conveyer is driven by a belt 2 located within a groove formed on the driving drum 1, the bearings 18 of the drum 17 can be adjusted in grooves 19 by screws 20. The upper run of the belt is made to assume a trough-shape by transverse supports 22 and angle-pieces 21. tarpaulin or other protective covering may be placed beneath the supports 22 and angle-pieces 21. The framework is composed of sections bolted together.
Patent GB-743172-A (GB)
Title: Process for the dry purification of sulphur-containing gases
IPC: C10K1/20
Filed: 1951-05-07
Abstract: Sulphur or its compounds are separated and recovered from sulphur-containing gases by passing the gases at 100 to 300 DEG C. over a fixing agent comprising finely divided copper or an oxide thereof incorporated with an aluminous carrier substantially free from silica and thereafter regenerating the spent fixing agent by heating to 350 to 850 DEG C. and submitting it to a stream of air followed by a stream of hydrocarbon or carbon monoxide containing gas whereby the copper sulphur compound of the spent fixing agent is first oxidized with evolution of half of the sulphur as sulphur dioxide and thereafter the remaining compound is reduced to copper or a copper oxide with evolution of sulphur dioxide or sulphur carbonyl according to the nature of the reducing gas used.  If the gases to be purified are of an oxidising character the regeneration of the spent fixing agent may be effected with a stream of hydrogen or carbon monoxide without first treating the spent agent with an oxidizing gas.  The sulphur dioxide or sulphur carbonyl obtained during regeneration may be treated to produce elemental sulphur or other sulphur compounds.  A chromic acid promoter may be incorporated in the carrier and substances assisting sintering of the carrier such as aluminium sulphide or magnesium carbonate may also be incorporated. The fixing agent may be prepared by incorporating a solution of a copper salt such as the sulphate or nitrate, or finely divided cement copper or copper oxide with a fine powder of dry hydrated alumina or alumina gel, adding sufficient water to form a stiff dough and kilning the resulting mass if desired after shaping at a temperature below 400 DEG C. to dehydrate.  The kilning may also be effected at below 400 DEG C. using a stream of gas containing hydrogen sulphide thereby transforming the copper to copper sulphide, basic sulphide or oxysulphide and thereafter submitting the fixing agent to the regeneration process above referred to of oxidation followed by reduction before employment to remove sulphur from gases.  The copper content of the fixing agent may be from 2 to 25 per cent.
Patent GB-698462-A (GB)
Title: A contour copying machine tool and checking device
Inventor: STEPHENSON ROBERT ALFRED
IPC: B23Q1/48
Filed: 1951-05-07
Abstract: 698,462. Copy-milling. POWER JETS (RESEARCH & DEVELOPMENT), Ltd. May 2, 1952 [May 7, 1951], No. 10728/51. Class 83 (iii). [Also in Group XIX] In a copy-milling machine for reproducing work-pieces 11, such as twisted turbine or compressor blades, by transverse scanning of the pattern 10 at successive sections along its length, the pattern and work are mounted in cradles 8 pivoted on the compound tables 1, 2 and, during each longitudinal movement to the next section, are rotated sufficiently to present the pattern to the tracer wheel 4 at an angle which does not give too steep a slope for the tracer to surmount easily. The rotation may be given to the pattern only and the relative rotation between the pattern and the fixed work may then be compensated in the linkage between the tracer and the tool 5. The pattern and work are rotated by an inclined or bent plate 18 or a cam surface on the table 1 and by a bar 14. which is connected to the cradles by pivots 20 or by a rack-and-pinion, and either has a pair of adjustable rollers 16 for engaging the plate 18 or is spring-loaded so that a single roller may engage the alternative cam surface. A turnbuckle 19 is provided between the two cradles for setting them at the same angle. The tool may be replaced by an indicator device which shows the difference in dimensions between the pattern and the work.
Patent GB-452320-A (GB)
Title: Improvements in hollow bricks for making ceilings and ceilings made therewith
IPC: E04B5/08
Filed: 1935-04-06
Abstract: 452,320. Hollow bricks. HANDZELEWICZ, J., 56, Tuszewska Grobla Street, Grudziadz, Poland. April 6, 1935, No. 10746. Convention date, April 6, 1934. [Class 87 (i)] A hollow brick for making ceilings is provided on one side with a stepped dovetailed projection and on the opposite side with a corresponding stepped recess. A channel a may be provided to receive a metal reinforcement. The sides provided with the projection and recess may be inclined to the top and bottom of the brick instead of at right angles thereto. The Specification as open to inspection under Sect. 91 comprises also various other forms of brick. In one form, the stepped dovetailed projection and recess are inclined to the sides of the brick. In another form, Fig. 3 (Cancelled), a projection 1 and a recess 2 are provided on each of the two opposite sides ; in a modification, the recesses 2 are omitted. Fig. 7 (Cancelled) shows another form in which projections and recesses are formed on two pairs of opposite sides. Fig. 9 (Cancelled) shows another form in which the hollow upper parts of adjacent bricks are connected by paper sleeves. This subject-matter does not appear in the Specification as accepted.
Patent GB-1321215-A (GB)
Title: Device for sampling gases in an ultracentrifuge
IPC: B04B11/02
Filed: 1972-03-08
Abstract: 1321215 Centrifuges COMMISSARIAT A L'ENERGIE ATOMIQUE 8 March 1972 [23 March 1971] 10804/72 Heading B2P [Also in Division G1] Gas samples are obtained from an ultracentrifuge comprising a rotating cylindrical bowl 2 closed by end walls 3 which are joined to cylindrical end chambers 8 coaxial with and opening into the bowl 2, the end chambers being of smaller diameter than the bowl 2, through removable tubes 14 mounted in openings 13 equi-spaced round the side walls of the end chambers 8. The thin sheet metal tubes 14 discharge into a stationary diffusor 15 in the support frame 7 of the centrifuge. Each tube 14 is circular at one end, with an external flange 19, and tapers to a flattened end 17 having lugs 20 which retain the tube in its opening 13 during initial assembly of the centrifuge (Fig. 1, not shown). The end wall 3 has an annular bearing surface 5 of a gas bearing 6. Drive shaft 12 is secured to the end chamber 8.
Patent GB-108056-A (GB)
IPC: F02M21/10
Abstract: 108,056. Relph, W. Aug. 22, 1916. Vaporizers, external.-The float chamber C, jet chamber 11, and pipe 14 leading to the inlet of the cylinder A are contained in a heating- chamber B connected by pipes 3, 4 to the exhaust, the temperature being controlled by valves 24, 25, Petrol is supplied, for starting, through a feed pipe 27. The carburettor may be used with engines having several cylinders, on motor-cycles, motor-vehicles or stationary engines.
Patent GB-860797-A (GB)
Title: Centrifugal separators
IPC: B04B11/02
Filed: 1958-04-03
Abstract: 860,797. Centrifugal separators. SEPARATOR A.B. April 3, 1958 [April 3, 1957], No. 10808/58. Class 23 Sludge discharged by the nozzles 4 of a separator rotor 1 is received by an annular channel 5 having an outlet spout 6. The gap between the wall 9 of the channel and the rotor is reduced by a baffle 13 on which are mounted angles 15. The baffle has springs 16 welded to the upper surface, the springs being engaged by a flange 18 of a cover 17. The baffle prevents leakage of sludge from the channel, and removal of the baffle provides space permitting the clearing of the interior of the channel. The channel is held in position by the baffle but may be removed from the frame 3 for cleaning.
Patent GB-832317-A (GB)
Title: Process for the production of fine-pore metal filters, membranes and diaphragms
IPC: B01D71/02
Filed: 1958-04-03
Abstract: A fine-pored diaphragm, which may be used for the separation of uranium isotopes by way of uranium hexafluoride, is produced by the decomposition of a metal carbonyl (Group II) at the surface of a heated fine metallic mesh, e.g. 5000 to 20,000 meshes per square centimetre or of a perforated ceramic surface followed by consolidation of the deposited metal particles, e.g. by rolling, pressing and sintering.  Before use for isotope separation, the diaphragm may be passivated by treatment with fluorine or hydrophioric acid, preferably mixed with inert gases. Specification 832,318 is referred to.ALSO:Fine pored metal bodies are produced by the deposition of metal particles on a heated surface from a metal carbonyl, e.g. nickel carbonyl, or a mixture of carbonyls which may be diluted with an inert gas and preferably decomposed by mixing with an inert gas heated to a temperature above the decomposition temperature of the carbonyl.  The surface, which may also be heated to above the decomposition temperature, may be a fine net e.g. of 5,000 to 20,000 meshes per square centimeter, of the same metal as deposited from the carbonyl or it may be a perforated ceramic surface.  Further layers of particles of a different size may be deposited on the first layer in subsequent operations.  A small amount e.g. 0.001 mol per cent of an oxygen-containing gas may be added to the reaction mixture, and after-treatment of the body may include sintering in a reducing atmosphere at 200 to 500 DEG C. under pressure, rolling, heating in vacuo and passivation by treatment with fluorine or hydrofluoric acid.  Specification 832,318 is referred to.
Patent GB-1042733-A (GB)
Title: Electrolytic recovery of alkali metals
IPC: C25C7/00
Filed: 1963-03-19
Abstract: <PICT:1042733/C6-C7/1> <PICT:1042733/C6-C7/2> <PICT:1042733/C6-C7/3> In recovering alkali metal by cathodic deposition from an electrolyte consisting of a complex compound containing an organoalkali metal-aluminium or -boron complex compound using a cathode resistant to both alkali metal and the electrolyte, the cathode is coated before electrolysis with cadmium or gold to improve its wettability by alkali metal.  Typically the coating is applied to a thickness of 1 to 5 m  on a substrate of copper.  If other metals such as iron, alloy steel, aluminium or nickel are used, they are preferably copper plated if a cadmium coating is to be used.  The process is described for recovering sodium from a sodium amalgam anode.  The cathode may be of large surface area being formed by a series of connected spaced regularly perforated plates or grids arranged with the apertures in register or staggered.  Alternatively the cathode may comprise an apertured plate 10a with pins (Figs. 8 to 10 not shown) or tubular projections 24 extending into them from a plate 10b.  Instead of circular apertures, close packed rows of square, hexagonal or equilateral triangle openings may be provided. Collected sodium is removed in a direction parallel to the planes of the plates.  For example with a horizontal amalgam anode 20 sodium deposited within the copper grid cathode structure 16 is tapped off by overflow 23. Electrolyte 18 is maintained at a pressure sufficient to prevent the sodium which is more dense falling downwardly out of the cathode, electrolyte passing through pipes extending through the cathode for return via the impeller pipe.  The cell, cathode support and feed pipes are of insulating material.  If desired the cathode may be provided with an insulating net for assisting retention of the sodium as in Specification 955,252.  In another arrangement (Fig. 19 not shown) the electrolyte pressure is provided hydrostatically and electrolyte which passes through the grid portions of the cathode floats atop the sodium.  Instead of a sodium amalgam pool the anode may comprise a vertical rotating disc fed with amalgam (Fig. 7 not shown).  Impure sodium may be refined by supporting it as anode within one of the net-like electrode structures described above as cathodes.  By using a cathode as described as the lower electrode in an electrolyte containing a sodium-aluminium alkoxy triethyl with an aluminium anode above it, sodium is formed at the cathode and alkoxy aluminium diethyl is formed at the anode.
Patent GB-442922-A (GB)
Title: Device for cooling liquids
IPC: F28D5/02
Filed: 1935-04-08
Abstract: 442,922. Cooling liquids and gases. VELUT, R., 55, Rue St. Lazare, Paris. April 8, 1935, Nos. 10881 and 10882. Convention dates, April 10, 1934 and April 21, 1934. [Class 29] [See also Group XII] Liquid is cooled by surface contact with unsaturated air by passage over the edges of a stack of parallel imperforate plates 2 so spaced apart that liquid fed to the top is retained by capillarity between the plates and flows down the stack entering and leaving the successive spaces between the plates and flowing over the edges thereof. A fan 11 draws air through a casing containing several stacks of horizontal plates spaced by sleeves 13 on vertical stems 1. The cooled liquid is removed at the base. The stems 1 may be hollow and a further liquid circulated through them from a supply tube 14 to an outlet pipe 15 and is thereby cooled. Liquid from the bottom of the stack may be pumped to a tank 17 with a siphon 20 whereby water is fed intermittently through jets 6 to the stacks. Liquid may be fed through an adjustable cock to the plates only as fast as it is evaporated therefrom by the air.
Patent GB-747730-A (GB)
Title: Improvements in and relating to the reduction of the sulphur content of coal
IPC: C10L9/02
Filed: 1953-04-21
Abstract: 747,730. Treating coal. SIDDIQUI, S., and AHMED, M. N. Feb. 25, 1954 [April 21, 1953], No. 10951/53. Class 55(1). Coal is treated to recover polymerized resins and to reduce its sulphur content by subjecting the powdered coal admixed with a catalyst, e.g. caustic soda or lime, adapted to facilitate the reduction of sulphur content to the action of superheated steam in the temperature range of 200-300‹C. The coal is preferably ground to a size of 30-100 mesh B.S.S. and the coal after treatment may be subjected to a magnetic separation to eliminate the paramagnetic form of ferrous sulphide from the treated coal and to reduce the ash content thereof. In an example and on a moisture-free basis about 10 per cent by weight of the coal was distilled as polymerized resin and the sulphur content was reduced from 3À78 per cent to 1À3 per cent by weight of the coal, the treatment lasting 10 hours and the final treatment temperature being 300‹C. Œ 5‹C. Specification 746,486 is referred to.