baber/WOPTO huggingface dataset:
Patent GB-1014518-A (GB)
Title: Improvements relating to the production of semiconductors
IPC: H01L23/29
Filed: 1963-01-23
Abstract: 1,014,518. Semi-conductor devices. INTERMETALL GESELLSCHAFT FUR METALLURGIE UND ELEKTRONIK. Jan. 23, 1963 [Feb. 5, 1962], No. 2820/63. Heading H1K. Alloyed electrodes on a semi-conductor body are provided by applying the electrode material to the body, covering this and the body with a layer of insulating material containing silicon oxide and then alloying the material into the body; the insulating material thus limits the area of the alloying surface. The material may be arranged to peel off the electrode after the alloying process to allow for connections. The insulating layer may consist of a mixture of of SiO and Al 2 O or of SiO and B 2 O 3 , or of pure SiO 2  obtained by vaporization or cathodic atomization of Si in oxygen. The semiconductor material may be germanium and the process is suitable for transistors.
Patent GB-692652-A (GB)
Title: Improvements in or relating to voltage stabilising apparatus
IPC: H02M5/12
Filed: 1951-02-05
Abstract: 692,652. Automatic voltage regulators. LYONS, W. March 5, 1952 [Feb. 5, 1951], No. 2825/51. Class 38 (iv). An A.C. supply S is stabilized with reference to a low-power stable A.C. source S2, by means of a transformer T1 of unity turns ratio energized from the supply and having its secondary connected in series opposition with the supply and the secondary of a transformer T2, also of unity turns ratio, energized from the stable source S2. Thereby there is developed in series with the supply a voltage equal to the difference between the supply and stable-source voltage. Alternatively T1 and T2 may be step-down transformers differentially connected to a stepup transformer in series with the supply, Fig. 2 (not shown).
Patent GB-1023762-A (GB)
Title: Connectors for belts
IPC: F16G3/08
Filed: 1964-01-23
Abstract: 1,023,762. Belt gearing. H. KLINKICHT. Jan. 23, 1964 [Jan. 25, 1963], No. 2874/64. Heading F2Q. The ends of a toothed belt 1 from which project coplanar longitudinal reinforcing cables 3 terminating in spherical, cylindrical, or discshaped abutments 6, are joined by a connector comprising housing 7, 8, each formed of two members 9, 10 provided with complementary slots 13, 14 receiving the cable ends so that their abutments 6 bear on the inner walls of the members 9, which members 9 have side pins engaging connecting plates 20 (Fig. 3, not shown) carrying a toothed-shaped casting 23, and clamping plates 21 pivoted at 22 to adjacent belt teeth 2. The members 9, 10, held together by countersunk screws, have mating inclined surfaces 11, 12, and the gaps between the member 10 and the belt ends are filled with a grouting compound to protect the reinforcing cables from dirt. In a modification (Fig. 4-6, not shown), a hollow housing 26 comprising upper and lower halves 28, 27 is housed in a recess 45, 46 at each end of a toothed shaped casting 61, the ends of reinforcing cables 35 passing through holes 33 in the housings 26. In a further modification (Fig. 7, not shown), the housings 26 are slotted into recesses in the webs 53, 54 of the belt ends, and are connected by spring members 56, a spacing block 55 being gripped between the two housings. When the toothed belt is used as a sieve bar belt, the clamping plates 21 or 52 are pivoted to a sieve bar.
Patent GB-1213721-A (GB)
Title: A spinning and twisting device
Inventor: KORIKOVSKY PETR KONSTANTINOVIC
IPC: B65H51/16
Filed: 1968-01-19
Abstract: 1,213,721. Twisting arrangement; traverse mechanism. VSESOJUZNY NAUCHNO-ISSLEDOVATELSKY INSTITUT TEXTILNOGO I LEGKOGO MASHINSTROENIA. 19 Jan., 1968, No. 2925/68. Headings D1D and D1J. Units, each comprising a hollow spindle 2 a spindle brake 3, a thread tensioner 4, a thread traverse 15, 16, 17 and a take-up winding arrangement 5, replace the usual spindles and rings of a spinning machine so that twisting may be performed. For twisting to take place thread is brought downwardly from drafting rollers, not shown, into the hollow spindle 2 where it is doubled with a thread from package 28 on spindle 2; the two threads then pass about a tensioner 4 and to a traverse guide 15 whereby the twisted yarn is wound up on a bobbin 5. The thread tensioner 4 which consists of a grooved, braked pulley, see Fig. 3 not shown, is surrounded by a transparent plastics cover and connected by an air tight tube to the lower end of spindle 2 and by a flexible tube 12 to the traverse guide 15. A compression air nozzle is arranged at some point along the yam path so that the yarn can be threaded up by means of a stream of air. Thread tensioning device The tension drive comprises Fig. 3, not shown, two pulley parts (6,7) forming a sharp groove between them and rotatably mounted with friction on a shaft 10. Should one of the threads break the remaining thread will, be of insufficient strength to rotate the pulley and it will break also. Winding device The guide 15 traversed by a shaft 17 is connected to tension device 4 by a flexible tube 12 which provides a path of constant length between device 4 and guide 15. To reduce friction in the tube the inside of the tube may be formed by a compressed helical spring or by a series of rings. The package former 5 is mounted on a pivoted arm (20) see Fig. 4 not shown which is spring urged to press the package against a driving drum 19. The spring is so arranged that when the bobbin is full and lever (20) is lifted the spring holds the package in the raised position. A transparent cover is provided on lever (20) to protect the top of the package from dust.
Patent GB-707298-A (GB)
Title: Improvements in or relating to axial-flow compressors
Inventor: WILDE GEOFFREY LIGHT
IPC: F04D19/02
Filed: 1951-02-06
Abstract: 707,298. Axial-flow compressors. ROLLSROYCE, Ltd. May 3. 1952 [Feb. 6, 1951], No. 2962/51. Drawings to Specification. Class 110(1) In a multi-stage axial-flow compressor of the type in which the working-fluid passage converges continuously from inlet to outlet, the velocity of the working fluid relative to the rotor blades is subsonic in the low-pressure stages (for example, the first five stages) and supersonic in the highpressure stages (for example, the succeeding four stages). The supersonic rotor blades have sharp leading edges and have their maximum thickness at half chord. The working fluid leaves the stator blading preceding each row of supersonic rotor blading in a direction generally opposite to that of rotation of the rotor blading. The working fluid has substantially free-vortex whirl before and after the later stages of stator blading.
Patent GB-811683-A (GB)
Title: Stabilized compositions comprised of copolymers of styrene and acrylonitrile and method for their preparation
IPC: C08K5/17
Filed: 1957-01-28
Abstract: Copolymers of styrene and acrylonitrile containing up to 40 per cent by weight of the latter are stabilized by the addition thereto of between 0.005 and 5.0 per cent of a hydroxyalkyl derivative of an alkylene diamine, for example the compounds obtained by condensing propylene oxide with ethylene, propylene, butylene, trimethylene and hexamethylene diamines, e.g. N,N,N1, N1-tetrakis-(2-hydroxypropyl) ethylene diamine.  Also present in the compositions may be dioctyl phthalate as a plasticizer.
Patent GB-838725-A (GB)
Title: Substituted butyryl chlorides
Inventor: TESTA EMILIO
IPC: C07C59/48
Filed: 1957-07-23
Abstract: The invention comprises compounds of the general formula <FORM:0838725/IV (b)/1> including the racemic and optically active forms thereof (wherein acyl represents an acyl radical of a C2-8 aliphatic carboxylic acid), and their preparation by reacting a mono-alkyl phenyl ethyl malonate with thionyl chloride, hydrogenating the resulting acid chloride to produce an alkyl alpha-hydroxymethyl-alpha-phenyl butyrate, hydrolysing this to the free acid, acylating this at the hydroxy group and chlorinating the product e.g. with thionyl chloride.  For the preparation of optically active acid chlorides resolution is preferably effected at the alphahydroxymethyl-alpha-phenyl butyric acid stage, advantageously through the (-)-quinine salt. Examples describe the preparation of both the racemic and the optically active acid chlorides and intermediates therefor, the reduction stage being performed with sodium borohydride, the hydrolysis with aqueous sodium hydroxide and the acylation with acetic anhydride.
Patent GB-593069-A (GB)
Title: Improvements in or relating to driving units for motor vehicles
IPC: B60K11/00
Filed: 1944-12-05
Abstract: 593,069. Motor vehicles. VINCENT H. R. D. CO., Ltd., and VINCENT, P. C. Dec. 5, 1944, No. 3180/46. Divided out of Complete Specification of 588,971. [Class 79 (iii)] [Also in Group XXVII] In a self-contained engine-axle driving unit, a ventilated compartment is provided in the engine casting for housing the engine auxiliaries. Preferably a fan causes a flow of air through a heat exchanger for cooling the engine and through the auxiliary compartment. The engine is of the type described in Specifications 555,974, [Group XXVII], and 567,646 and comprises a cylinder block 10, differential casing 14 and articulated drive to each of the independently sprung wheel. The fan 51 draws air through the filter 52, the chamber 53 in which are located the engine auxiliaries, conduit 50 to the heat exchanger unit 49 located in the double walls 48 of the axle casing. By arranging the air inlet at a high level, the unit could operate whilst submerged. If the engine is liquid cooled, the axle casing may be provided with internal fins and the liquid arranged to circulate over the fins and then through the liquid cooling system of the engine.
Patent GB-991823-A (GB)
Title: Improvements in or relating to toy motor vehicles
Inventor: GILLERON ANDRE ALBERT
IPC: A63H17/26
Filed: 1963-01-25
Abstract: 991,823. Toys. MECCANO Ltd. Dec. 4, 1963 [Jan. 25, 1963], No. 3189/63. Heading A6S. In a toy vehicle opening members, such as a boot lid 14 or bonnet lid 15, have arcuate extensions 14a, 15a, respectively, which extend between two similarly arcuate portions a body casting 11 and a window moulding 12. The said arcuate extensions are provided with apertures 17, Fig. 2, which encircle a projection 16 on the body casting to limit the amount the lids may open.
Patent GB-1341162-A (GB)
Title: Treatment of graphite fibres
IPC: D01F11/12
Filed: 1972-01-24
Abstract: 1341162 Treating graphite fibres UNION CARBIDE CORP 24 Jan 1972 [25 Jan 1971] 3212/72 Heading C1A Graphite fibres, that is carbon fibres which have been heated above 2000‹ C., particularly above 2500‹ C. are treated to improve their bonding characteristics to a plastics matrix material, by being heated in an atmosphere consisting of chlorine and oxygen in amounts of at least 80 volume per cent of chlorine and up to 20 volume per cent of oxygen at a temperature of from 1250‹ to 1450‹ C. for a period of time sufficient to effect a weight loss in the fibre of at least 0À1%. Preferably the fibre is heated for 0À2 to 2À0 seconds, and the weight loss is 0À1% to 2À0%. A preferred temperature range is given and up to 98% by volume of chlorine may be used. The graphite fibre is preferably derived from cellulose. Bromine may wholly or in part replace the chlorine. The graphite fibres so formed may be coated with resin, e.g. an epoxy resin and formed into a composite.
Patent GB-1285152-A (GB)
Title: An improved braking system of a mechanical-pneumatic type for use in motor vehicles
Inventor: JAKOBSSON BERTIL EUGENE
IPC: B60T17/08
Filed: 1971-01-26
Abstract: 1285152 Fluid pressure brakes B E JAKOBSSON 26 Jan 1971 3237/71 Heading F2F A single circuit pneumatic braking system for motor vehicles comprising a compressor and pressure tank 1 and brake actuators 7, each consisting of a piston dividing a cylindrical housing into two chambers and mechanically connected to the brake and so arranged that positive pressure in one chamber compresses a spring against a transverse wall, which spring applies the brake upon decrease of pressure, has a valve mechanism 4 operated by a pedal 3 or hand brake 9a which simultaneously closes communication between the tank 1 and the chamber of actuator 7 and opens communication between the latter and atmosphere to lower pressure so that the spring can apply the brake.
Patent GB-284671-A (GB)
Title: Improvements relating to hothouses, greenhouses, conservatories and the like
IPC: A01G9/24
Filed: 1928-02-02
Abstract: 284,671. Engelhardt, E. Feb. 3, 1927, [Convention date]. No Patent granted (Sealing fee not paid). Heating systems. - The whole of the tubular framework of a greenhouse, hothouse, conserva,- tory or the like is adapted to serve as the hot water heating system and comprises vertical pipes g, horizontal pipes b, c and the roof framework a, d, e. The hot water is supplied through the upper tube a and exhausted through tubes h. i connected to the vertical tube g. The Specification as open to inspection under Sect. 91 (3) (a) describes also the use of steam as the heating medium. This subject-matter does not appear in the Specification as accepted.
Patent GB-111605-A (GB)
Title: Improvements in the Treatment of Bituminous Shales and the like, for the Obtainment of Oil therefrom and in Apparatus to be used therein.
Inventor: SIMPSON DUNDAS
IPC: C10G1/00
Filed: 1917-03-08
Abstract: 111,605. Simpson, D., and Simpson, A. March 8, 1917. Mineral oils, purifying.-Oil vapours and steam from the downward distillation of bituminous shales and the like in a retort 1 at a temperature not exceeding 500‹ C. are desulphurized by oxide of iron or copper in a chamber 7 heated by the flue gases.
Patent GB-444428-A (GB)
Title: Improvements in and relating to structures such as moulds or casings for reinforced concrete, scaffolding, and the like
IPC: E04G1/08
Filed: 1935-02-05
Abstract: 444,428. Scaffolding; constructional ironwork. VETTEN, A. M. DE, 9, Cremerweg, The Hague. Feb. 5, 1935, No. 3740. Convention date, Feb. 1. [Classes 20 (ii) and 20 (iv)] A skeleton structure for scaffolding or as a framing for sheds &c. is composed mainly of unitary hollow beams of square or rectangular cross - section provided with regularly spaced holes and coupled by staples passed through the holes. An upright beam 41 may, e.g. be lengthened by a beam 42 carrying a cross-beam 43 at its upper end. A short beam 44 serves as additional support for the cross-beam. Each beam has preferably four rows of holes 45 for the reception of staples such as 46, the prongs of the staples being sufficiently long to pass completely through the beams to be connected. Marks such as indicated at 1-5 on the beam 42 may be placed on the beams to facilitate assembly. The edge holes may be spaced at a distance from the edge equal to half the pitch of the holes so that staples may be positioned as shown at 47.
Patent GB-721085-A (GB)
Title: Improvements in or relating to pulverisers
IPC: B02C15/12
Filed: 1953-02-10
Abstract: 721,085. Ball-and-ring mills. BABCOCK & WILCOX, Ltd. Feb. 10, 1953.[Feb. 12, 1952], No. 3753/53. Class 59. The non-rotary upper grinding ring 21 of a ball-and-ring mill is so formed as to expose major portions of the upper outer quadrants of the grinding balls 20 for the reception of recirculated material and is provided with a series of circumferentially spaced lugs 80 projecting outwardly therefrom and having curved undersides 81 forming continuations of the ball race 22. The opposite faces of the lugs are downwardly inclined in the direction of rotation of the lower grinding ring 18. The pulverised material is removed from the grinding area by means of an annular stream of a gaseous medium, e.g. air, which is directed upwardly and outwardly away from the row of grinding balls by means of a plate 43 which co-operates with a ledge 40 on the lower grinding ring to form a throat 42. The upper face of the lower grinding ring is cut away at 18a so as to form a material storage pocket inwardly of the ball race 19. Stationary deflector ploughs 69 are provided above the throat 42. Pressure is applied upon the grinding rings and balls by means of springs 25 which also prevent rotation of the upper grinding ring. The raw material to be pulverised is supplied by means of a regulatable table feeder 35 through an opening 36 to the inclined surface of a drive yoke 17 carrying the lower grinding ring. The material-laden air passes laterally to a classifier 60, the lower end of which surrounds the upper end of the yoke 17 which carries blades 68 which return oversize material from the classifier to the inner end of the row of grinding balls. Particles of dense unpulverised material drop through the throat 42 and are discharged through a gate 50 into a compartment 51. A portion of the throat plate 43 is cut away at one segmental section to accommodate a pivotally-mounted counterweighted relief gate 70 which allows large pieces of unpulverisable material to drop into the subjacent part of the mill. Specifications 523,753, 646,686 and 687,026 are referred to.
Patent GB-566859-A (GB)
Title: A new or improved means for securing and holding tyre inflators on cycles and the like
IPC: B62J11/02
Filed: 1943-03-09
Abstract: 566,859. Attaching inflators to cycles &c. GOULDING, F. W. March 9, 1943, No. 3775. [Class 136 (i)] A tyre inflator for a cycle, bath-chair, &c., is supported thereon by two spaced screwed studs 6, the socket 7 at the lower end of the inflator body being screwed on one stud by rotation of the body in one direction and the socket 8 in the usual adaptor carried in the inflator handle, being screwed on the other stud by rotating the handle in the opposite direction. The spring which separates the body and handle of the inflator is compressed before the second screwing operation and is still cornpressed when the screwing operations are complete and thus serves to prevent the parts becoming unscrewed. As shown in Fig. 1, each stud 6 is mounted on a boss 5 having a web 4 clamped between fiat extensions 2 of a clip A or B adapted to be secured to the down tube C of a cycle. In modifications : (a) the boss 5 carries a second stud to hold any other object having a suitably threaded socket ; (b) the boss 5 is pivotally or universally mounted on the clip ; and (c) a spring-pressed stud 6, Fig. 6, is slidable in a hollow boss 5, a key 10 preventing rotation of the stud and limiting its outward movement.
Patent GB-1389660-A (GB)
Title: Arrester gear for aircraft
IPC: B64F1/02
Filed: 1971-02-03
Abstract: 1389660 Aircraft arresting gear SHERBORNE RUBBER CO Ltd 3 May 1972 [3 Feb 1971] 3793/71 Heading B7G Aircraft arrester gear cables are provided with at least one spacing device which comprises a disc 1 moulded from rubber or the like to the cross-section shown in the Figure with a bore 4 through which an arrester cable is passed, the rim portion 6 having an annular reinforcement 2 of steel wire or nylon cord moulded into the rim. This reduces the risk of the device, should it split in use, being thrown violently from the cable. The reinforcement may be endless or not and may comprise more than one turn.
Patent GB-409103-A (GB)
Title: Improvements relating to stoves for burning liquid fuel
IPC: F24C5/18
Filed: 1933-02-08
Abstract: 409,103. Valve cleaning-devices. PERFECTION STOVE CO., 7609, Platt Avenue, Cleveland, Ohio, U.S.A. Feb. 8, 1933, No. 3846. Convention date, March 7, 1932. [Class 135.] A stove for burning liquid fuel, such as spent crank-case oil from engines, comprises a fire pot 16, a conduit 55 supplying the fuel from a reservoir 34, 31, a valve 44, 57 therein remote from the fire pot, said valve and its spindle 62 being hollow to accommodate cleaning means such as a flexible cable 81, which can be projected beyond the conduit into the fire pot and which has a handle 86 above the liquid level in the fire pot. The valve is formed with a conical closure part and the cylindrical guide part below is formed with a V-shaped notch 60 constituting a metering orifice. A spring 84 holds the flexible cable 81 normally at the outer end of its travel. The operating handle 73 of the valve has a depending pointer 70 coacting with a scale 78, there being a stop 69 coacting with the pointer to limit the maximum opening of the valve. A U-shaped washer disposed and fixed in a recess under the operating handle 73 engages flats on the valve stem to operate the same.
Patent GB-1469036-A (GB)
Title: Method and apparatus for refining pulp wood chips and the like
IPC: D21D1/30
Filed: 1975-01-29
Abstract: 1469036 Disc mills KESKUSLABORATORIO-CENTRALLABORATORIUM AB OY 29 Jan 1975 [15 Feb 1974] 3963/75 Heading B2A Wood chips saw dust and like material is fed into a double disc refiner at a position facing two inlets 2B, 3B Fig. 2 in one disc 7 Fig. 3A and steam formed during refining is discharged at a position facing a third inlet 1B. The disc 7 rotates and thus the inlets 1, 2, 3B move but the positions of feed and discharge are static. The chips are divided into two streams in a conical dividing box 1. This contains two oppositely rotatable feed screws 2, 3 which discharge on to screws 5, 6 Fig. 4. The steam is removed via a duct 8. A pair of screws 9 in this duct transport chips/ pulp back to the feed inter side of the refiner. The dividing box can be steam pressurised by use of rotary valves, Fig. 5 not shown, the refiner itself being non-pressurised. Refiners chemicals can be added during the pretreatment in the dividing box.
Patent GB-874097-A (GB)
Title: A method of producing a formaldehyde-containing solution for the production of formaldehyde polymers
Inventor: KODAMA SHINJIRO
IPC: C07C45/38
Filed: 1959-02-04
Abstract: A solution of formaldehyde is obtained by cooling to between 55 and 90 DEG C. the hot gases formed by the catalytic oxidation of methanol at 450-700 DEG C. by contacting said gases with condensate formed by cooling such gases to between 55 and 90 DEG C., continuously cooling and recycling enough of the liquid mixture thus produced to cool more of the hot gases to between 55 and 90 DEG C., and continously withdrawing the remainder.  The finally withdrawn liquid may be rectified to remove methanol to give an aqueous formaldehyde solution from which a solid formaldehyde polymer (paraformaldehyde) may be obtained by cooling.  The off-gases from the zone where the gases are cooled may be absorbed in water and methanol distilled from the solution to give a commercial formalin.  The overall oxidation and condensing processes may be operated at elevated or reduced pressures.  An inert gas may be present.  Oxidation catalysts specified are silver, copper, silver/copper alloy, molybdenum oxide and iron oxide. Specification 421,691 is referred to.
Patent GB-112356-A (GB)
Title: Improvements in and relating to Gas Burners.
Inventor: WILSON WALTER AUDAER
IPC: F23D14/48
Filed: 1917-03-21
Abstract: 112,356. Wilson, W. A. March 21,1917. Atmospheric gas burners. - A nipple for a gas burner is formed as an annular ring having gas outlets inclined inwardly at an angle to the plane of the ring and a central aperture in the ring for the passage of air to the mixing chamber. Fig. 1 represents the nipple in section. A pipe S supplies gas to the annular ring R through branch pipes S<1>. The central aperture R<1> may be provided with means for varying its size. Gas passages H are drilled in the face of the ring in a direction inclined inwardly so as to cause the gas streams to converge at first and then flow in a gradually expanding stream. The interior wall of the ring R may be formed of a stamping R<2> fitted or screwed into the base R<3> of the ring and having an outer lip R<4> screwed or fitted within the outer wall of the ring. A gas-pressure regulator G, of any suitable form, may be fitted to the supply pipe S.