baber/WOPTO huggingface dataset:
Patent GB-1224215-A (GB)
Title: A control device for the air valves on pipe line couplings of the central buffer couplings of rail vehicles
IPC: B61G5/08
Filed: 1968-04-30
Abstract: 1,224,215. Valves. GERMANY MINISTRY OF TRANSPORT. 30 April, 1968, No. 20384/68. Heading F2V. Movement of drawbar 15 to the right, e.g. in response to the coupling of two rail vehicles, rotates arm 12 which, via spring-loaded pin 21, initially rotates rocker 8 to release piston 9 for rightward movement by spring 7 to operate air valves on shaft 2. Further movement of arm 12 releases rocker 8 and spring 14 returns the rocker to the position shown where it can latch piston 9 upon return of the latter when shaft 2 is rotated manually. Rightward movement of the piston is damped by restricted vent 17 by-passed by check valve 18. With the piston latched, the rod 5 can move through the piston to allow manual rotation of shaft 2. In a modification, pin 21 is replaced by a tooth integral with arm 12 and the latter has limited radial play on pivot 11.
Patent GB-354946-A (GB)
Title: Improvements in mercerising liquors
IPC: D06M13/256
Filed: 1930-07-05
Abstract: Acid sulphuric esters of aliphatic alcohols containing from 4 to 8 carbon atoms, or their water-soluble salts are added to mercerizing lyes in order to facilitate the wetting of the yarns or fabrics. Organic, water-soluble hydroxy compounds may also be added.  In examples the following acid sulphuric esters and mixtures of organic hydroxy compounds with acid sulphuric esters are added to caustic soda lyes used for mercerizing: the acid sulphuric ester of n-amyl alcohol, the acid sulphuric esters of the mixture of alcohols, mainly hexyl and heptyl alcohols, obtained by reduction of the ketones prepared according to Specification 310,438, [Class 2 (iii), Dyes &c.], by reduction of petroleum ether by means of carbon monoxide, a mixture of 1 : 3 - butyleneglycolmonoethylether and n-butyl- or n-hexyl-sulphuric acid ester, a mixture of glycerol or turkey red oil and n-hexyl-sulphuric acid ester, and a mixture of asym-m-xylenol and amyl sulphuric acid esters.  The acid sulphuric esters of ethylhexyl and octyl alcohols are mentioned, and also the following hydroxy compounds: ethyl alcohol, ethylene and propylene glycol, 1 : 3-butylene glycolmonoethylether, phenols, and cresols.
Patent GB-1102227-A (GB)
Title: Improvements relating to machining heads of machine tools
IPC: B24B41/00
Filed: 1965-05-14
Abstract: 1,102,227. Grinding. ETUDE ET REALISATION D'OMNIS PRECISION " E.R.O.P." C. L. GODAR. 14 May, 1965 [26 May, 1964], No. 20451/65. Heading B3D. A machining head for a machine tool comprises a motor 8 which drives a spindle 5 carrying a tool 6, such as a grinding wheel, and is mounted on a motor support 7 which, with a case 4 for the spindle, forms an assembly mounted on trunnions 3 in the two webs of a supporting element 1 whereby the assembly can be set in any desired position between a horizontal and a vertical position, means for adjusting the inclination of the assembly, and means for locking the assembly in the adjusted position. The motor is connected by a beltdrive 9 to an end of the spindle extending from the rear of the case from which the trunnions extend into the webs. The assembly can be set to the horizontal or vertical position by engagement of a roller 13 on an arm 12 secured to one of the trunnions with one or other of stops 14, 15 and to an inclined position by using a sine block between roller 13 and stop 14, the assembly then being locked in position by screws 10. The supporting element 1 is located on a machine tool part M, by a centring pintle 17 and a setting finger 18, and is secured thereto by bolts 19.
Patent GB-500099-A (GB)
Title: Improvements in or relating to the roasting of ores and to furnaces therefor
IPC: F27B3/04
Filed: 1938-07-11
Abstract: 500,099. Superposed hearth furnaces. MONTECATINI SOC. GENERALE PER L'INDUSTRIA, MINERARIA, ED AGRICOLA. July 11, 1938, No. 20482. Convention date, July 10, 1937. [Class 51 (ii)] In a superposed hearth furnace for roasting ores, pipes 1 and 8 supply parts of the ore to the first two and to third and fourth hearths respectively, the upper part being then united again with the lower by a byepass pipe 6, and roasting completed on lower hearths. Pipes 12 and 13 leading to a dust casing or collector lead off sulphurous gases.
Patent GB-1478953-A (GB)
Title: Analogue to digital converter
IPC: H03M1/00
Filed: 1975-05-15
Abstract: 1478953 Analogue-to-digital conversion INTERNATIONAL BUSINESS MACHINES CORP 15 May 1975 [16 July 1974] 20492/75 Heading H3H In analogue-to-digital conversion a voltage V IN  to be converted is initially stored on a capacitor 18 and the number of discrete charge subtractions required to reduce the voltage across the capacitor 18 to a predetermined threshold, 22, is counted, 42. In Fig. 2 a  calibration routine alternates with conversion cycles. During calibration, a known reference voltage V REF  is stored on capacitor 18 and repeatedly reduced, the difference in time between output from threshold detector 22 and counter 42 attaining a predetermined state N is detected at 28 and used to control the current sink 20 producing the charge subtractions. Control pulses for gates 10a, 10b, 30 and 44 are derived from the counter 42, which is continuously recycled. In a modification (not shown) a calibration routine does not precede energy A-to-D conversion cycle. Integrated circuit details of the threshold detector, current sink and filter are given, Fig. 4 (not shown). Switches 10a 10b are n channel enhancement MOS switches. Capacitor 18 may comprise 0À1 and 0À9 pF capacitors with switching for range changing. A F.E.T. may be provided for shorting the capacitor 18 during chip testing. A modified input circuit. Figs. 5 and 6 (not shown) includes a bipolar transistor (110) and a high gain negative feedback loop for providing a tare compensation for its forward base-emitter voltage drop.
Patent GB-935962-A (GB)
Title: Improvements in or relating to the production of 6.8-dithiooctanamides
IPC: C07D339/04
Filed: 1961-06-07
Abstract: Dithioctanamides having the general formula <FORM:0935962/IV(a)/1> where R and R1 are the same or different and are each a hydrogen atom or a monovalent organic radical are obtained by reacting 6,8 dithiooctanoic acid with a halogenating agent and reacting the resulting 6,8-dithiooctanoyl halide with an amine having the general formula:- <FORM:0935962/IV(a)/2> where R and R1 have the same meaning as above.  The halogenating agents may be phosphorus trichloride, phosphorus pentachloride, thionyl chloride or phosphorus tribromide, and pyridine, dimethyl formamide or a solvent such as benzene, chloroform, or carbon tetrachloride may be added.  In Examples 1, 8, 9 and 10, 6, 8 dithiooctanoyl amide is produced from ammonia and in Ex. 2, the diisopropylamide, Ex. 3, 4, the DL-methionine, Ex. 5 the L glutamic acid, Ex. 6 the anilide, and Ex. 7 the isonitoctinoyl hydrazine derivatives are obtained from the corresponding amines. Specification 796,563 is referred to
Patent GB-693734-A (GB)
Title: Improvements relating to chains for conveyors, more especially flight or scraper conveyors, chain elevators and like machines
Inventor: RIEUTORT ROLAND
IPC: B65G17/38
Filed: 1951-08-30
Abstract: 693,734. Chains. SOC. D'EQUIPEMENT MINIER. Aug. 30, 1951, No. 20515/51. Class 24 A chain for conveyers, chain elevators and like machines comprises alternate normal round-wire type links 1 and links 2 each consisting of a plate of flattened oval form, having a plane edge, which is provided with two holes 3 and 4 limited by toroidal surfaces. The width A of the plate links is less than the width B of the wire links.
Patent GB-630757-A (GB)
Title: Improvements relating to securing knobs or handles on the operating spindles of doorlocks or latches
IPC: E05B3/10
Filed: 1947-07-30
Abstract: 630,757. Securing door handles to spindles. EVERED & CO., Ltd., and WILSON, A. H. July 30,1947, No. 20541. [Class 44] A pin 9 for securing a handle 8 to a spindle 7 of the kind having bifurcated ends formed with recesses 7b presenting serrated opposed faces 7c, is composed of a metal, alloy or other material softer than the metal of the spindle so that serrations are cut in the pin when it is forced into position. The pin may be formed with parallel flat faces over part of its length and may be tapered slightly.
Patent GB-766640-A (GB)
Title: Improvements in or relating to travelling wave tubes
Inventor: ROGERS DOUGLAS CECIL
IPC: H01J25/38
Filed: 1953-07-24
Abstract: 766,640. Travelling wave tubes. STANDARD TELEPHONES & CABLES, Ltd. July 24, 1953, No. 20596/53. Class 39(1). The glass envelope of a travelling wave tube comprises a cylindrical portion 2 formed with accurately dimensioned pimples 20 coaxial with the inner cylindrical surface of the envelope to serve as locating means for mounting annular flange 21 also coaxial with said inner surface and cementing the flange to the envelope. In manufacture envelope portions 2, 6 are held accurately coaxial by an internal closely fitting stepped mandrel and sealed together. Without removing the mandrel the envelope portions are inserted in a lathe and the surfaces of the pimples are ground to make them coaxial with the internal walls of the glass envelope portions. Alternatively the pimples can be formed at this or an earlier stage by using a mandrel with air jet passages, heat softening the glass, and blowing out the pimples against a mould. The gun, helix 3 and three accurately ground glass rods 4, 5 for supporting the helix are then assembled as a complete unit sealed to press 8. Finally this unit is inserted into envelope 2, 6 until sleeve 17 abuts against ridge 18 of the envelope, the press 8 is sealed to the envelope, and the valve processed and based with phenolic base 9 in normal manner. The mounting flange 21 is then cemented to base 9. To ensure that flange 21 is accurately coaxial with the helix and gun axis the tube is mounted, before the cementing, in a jig comprising platform 24 holding bush 26 fitting accurately around pimples 20, and carried by pillars 25 from base plate 22, and platform 27 carried by studs 28 and having an accurately formed recess for holding flange 21. To ensure that chokes 16, 17 and probes 14, 15 are in the correct axial position in the tube the distance h (between choke 16 and flange 21) is accurately determined by rotating knurled nut 33 to raise or lower the travelling wave tube until the top of choke 16 is flush with the upper surface 31 of bush 30, carried by platform 29. To assist in this adjustment part of surface 31 is ground a few thousandths of an inch lower than the remainder of the surface. The cementing can now take place, a small heating unit (not shown) being used to set the cement. If the flange 21 is to be used to locate the tube in its associated apparatus in a given angular position it has a groove, shown in the drawing as engaged by tongue 34. The gun is located within envelope 2 by mica washers 7. The final gun anode 11 is connected to side cap terminal 12, and is conductively joined to sleeve 16 by metal tube 19. The helix support rods 4, 5 are secured at their ends to choke sleeves 16, 17.
Patent GB-697883-A (GB)
Title: Method and apparatus for dicing sheet material
IPC: B02C18/14
Filed: 1951-08-31
Abstract: 697,883. Cutting plastic sheet material into granules. UNION CARBIDE & CARBON CORPORATION. Aug. 31, 1951 [Sept. 9, 1950], No. 20639/51. Class 87 (ii) [Also in Group II] Plastic sheet material, particularly of an elastic nature, is comminuted by progressively cutting it into individual particles of approximately equal size and shape along transversely spaced longitudinal rows so as to leave continuous longitudinal slots separated from each other by ribbons of the plastic sheet and then cutting the ribbons into further particles of a size and shape similar to the first by a succession of transverse cuts. A first rotary cutter 30 has evenly serrated teeth 20 spaced apart axially, e.g. by keying serrated discs on a shaft 32 and separating them by spacers, and the cutter teeth pass through slots 22 in a bed knife 24. The particles cut by these serrated discs fall into a hopper 43, and as the teeth pass through the slots the sheet is pulled forward as it is cut into individual particles and ribbons. Uniform feed is provided by squeeze type rolls 28. A second rotary cutter comprises transverse blades 26 which coact with a bed knife 25 to shear off the ends of the ribbons and so form other particles which also fall into the hopper 43. As the ribbons of material progress from the first cutter they are stripped from between the discs by fingers 42 extending from the second cutter bed knife. The cutter 30 initially cuts its own slots in the bed knife 24, which is adjustable to take up wear. The discs 30 are cooled by air from a perforated pipe 31 to prevent adherence of the particles.
Patent GB-1456626-A (GB)
Title: Vibratory mill
IPC: B02C19/16
Filed: 1975-05-15
Abstract: 1456626 Vibratory mills VEREINIGTE OSTERREICHISCHE EISEN-UND STAHLWERKE-ALPINE MONTAN AG and BINDER & CO AG 15 May 1975 [4 June 1974] 20651/75 Heading B2A A vibratory tube mill includes a tubecarrier in two parts, each part being associated with one group of grinding tubes 8. The two parts 6, 7 of the tube carrier are connected by at least two pairs of links 4, 4 to form a parallel crank linkage having pivotal axes which are parallel to the axes of the grinding tubes. The links are pivotally mounted between their end pivots in stationary bearings 3 and are vibratable about a central position which is inclined from the horizontal at an angle of 30-60 preferably 45. The amplitude of vibration of the parts of the tube carrier is at least 15 mm. The eccentrics of the eccentric drive mechanism 22 Fig. 9, which is driven by a motor 24 is mounted on one viz the lower part 7 of the grinding tube carrier and is connected to a connecting rod 26 which extends at right angles to the central position of the links. The connecting rod 26 is connected by a rubber spring 40 or particularly where high temperatures are involved, a helical spring Fig. 6 (not shown) to the other viz upper part 6 of the grinding tube carrier. The two parts of the tube carrier are connected by an elastic spring, system 13, 14, which extends at right angles to the central position of the links, rubber or helical springs providing connection to the parts of the grinding tube carrier. The tubes may be fed via a vibrating trough 48 Fig. 10.
Patent GB-1349629-A (GB)
Title: Apparatus for moulding bosses to a web of material
IPC: B29C65/02
Filed: 1972-05-03
Abstract: 1349629 Moulding bosses on to textile strip DR-ING JOSEF RUHRMANN 3 May 1972 [13 May 1971] 20685/72 Heading B5A Apparatus for moulding a boss on to a web, e.g. an end stop on a slide fastener tape, comprises a die 2 on which the web 24 is supported and in the face of which is a recess 4 which receives a blank to be moulded into a boss. The recess is fed by a conduit 6 in which a plunger 18 slides to push up the blank which is fed from a side conduit 8 communicating with a third conduit 10 in which is a rod of thermoplastic material 12, e.g. nylon. A cutting plunger 16 slices off each blank from the rod 12 and feeds it into the conduit 6. When the blank is in the recess 4 the punch 22, which is connected to an ultrasonic generator, is moved into registration with the blank and in contact with the web 24, thus melting the blank which is formed into a boss united with the web. The punch may have a similar recess 20 so that the molten material may penetrate the fabric of the web to form a boss on each side thereof. Preferably the punch is of titanium. The entire operation may be automatically controlled by conventional means.
Patent GB-1188153-A (GB)
Title: Improvements in or relating to Valves
IPC: F16K51/00
Filed: 1967-05-04
Abstract: 1,188,153. Valves. M. H. GROVE, and J. M. E. GROVE, [trading as M. & J. ENG. CO.]. 4 May, 1967 [9 May, 1966], No. 20705/67. Heading F2V. Leakage past the upstream seat of a gate valve 10 is detected by closing switch 47 at remote station 37 to vent the interior of the valve 10 through valve 38, and then closing the latter and closing switch 46 such that any rise in the internal pressure is sensed at 39 and indicated at 44. Valve 38 may be replaced by a three-way three-position valve (51) which can connect the interior of valve 10 to exhaust or to the inlet duct or to neither of these. The gate valve seats (Fig. 5) comprise a nylon ring 73 mounted in a groove in a spring- loaded carrier ring 74. Ring 73 carries a softer ring 76 and a seal ring 77.
Patent GB-1376418-A (GB)
Title: Devices for sensing the speed and position of an engine flywheel
IPC: G01P3/488
Filed: 1973-05-02
Abstract: 1376418 Sensing speed and position of a flywheel REGIE NATIONALE DES USINES RENAULT and AUTOMOBILES PEUGEOT 2 May 1973 [4 May 1972] 20756/73 Heading GIN A sensing device 6, comprising two active elements 16, 17, positioned adjacent teeth 15 and slot 9 of the flywheel of an internal combustion engine for determining the speed and position of the flywheel, is mounted by passing through a hole 8 in a clutch or gear housing 7 and entering a hole 12 in engine crank-case 8, these holes having axes parallel to the rotational axis of the flywheel. The active elements may be magnetic elements with magneto resistors, Hall effect devices, inductive arrangements or printed circuits forming two flat loops. The portions of the sensing device adjacent the flywheel may have flat or curved surfaces.
Patent GB-391425-A (GB)
Title: Improvements in means for indicating the level of water in boilers and/or for controlling the supply of feed water thereto
IPC: F22D5/24
Filed: 1931-07-22
Abstract: 391,425. Indicating liquid-levels. MOUREU, L., 18, Allee des Citeaux, Issyles-Moulineaux, Seine, France. July 22,1931, No. 20901. Convention date, Aug. 30, 1930. Void [Published under Sect. 91 of the Acts]. [Class 123 (i).] A water-level indicator for a boiler comprises two electrodes 1, 2, the lower parts of which may be gilded or platinized and the upper parts insulated, connected to a circuit including a battery 8, electromagnet 12, and galvanometer or other indicator 19. When the electrodes 1, 2 are immersed, the electromagnet 12 breaks the contacts 10, 15, but when the level falls below the electrodes 1, 2, the breaking of the circuit is indicated by the galvanometer 19, and also by the bell 17 which is caused to ring when the electromagnet 12 is de-energized and the contacts 10, 15 closed to complete again the circuit of the electromagnet. An electric lamp signal may also be included in the bell circuit. In a modification, Fig. 2 (not shown), the contacts 10, 15 are arranged in the circuit of another source by which an electric motor and feed pump are started when the water level is too low. In another modification, Fig. 3 (not shown), the battery 8 includes two relays in series, one actuating an electric bell and the other controlling the circuit of the pump motor.
Patent GB-367708-A (GB)
Title: Manufacture of 2-oxyacetic acid-benzimidazole-arsonic acids
IPC: C07F9/80
Filed: 1931-07-22
Abstract: 2-Oxyacetic acid-benzimidazole-arsonic acids are prepared by treating a benzimidazolone-arsonic acid with a halogen-acetic acid.  The products, which are water-soluble, possess therapeutic properties. Examples are given of the preparation of 2-oxyacetic acid-benzimidazole-5-arsonic acid and its 1-methyl derivative by interaction of benzimidazolone-5-arsonic acid and its 1-methyl compound with chloracetic acid, the latter being added as a whole or in portions.  The 2-oxyacetic acid-benzimidazole-5-arsonic acid is purified by conversion into its arseno compound, followed by oxidation.
Patent GB-1105933-A (GB)
Title: Improvements relating to centrifugal brakes
Inventor: SMITH ALFRED GEORGE
IPC: F16D59/00
Filed: 1965-05-18
Abstract: 1,105,933. Roller conveyers. DEXION Ltd. 17 May, 1966 [18 May, 1965], No. 21014/65. Heading B8A. [Also in Division F2] A gravity roller way 3, 4 is provided with a centrifugal brake (see Division F2) driven from a tyred roller 2 which has its uppermost part standing slightly proud of the uppermost parts of the rollers 4 to engage the undersides of pallets passing along the roller way. The roller 2 incorporates a crown wheel engaging a pinion 12 secured to the brake rotor 1, blocks 34 slidable radially on the rotor having friction members 38 rotatable therein and engageable with a fixed aluminium casing 16 when the blocks 34 move outwards under centrifugal action. In other embodiments pivoted members may replace the slidable blocks and the friction members 38 may be rotatable about vertical axes instead of the horizontal axes shown, when it is stated that light loads travelling on the conveyer are braked by the increased frictional resistance arising on engagement of the pad with the housing.
Patent GB-160710-A (GB)
Title: Annealing furnace or leer
IPC: C03B25/06
Filed: 1920-07-12
Abstract: 160,710. Amsler, W. O. July 12, 1920. Muffle kilns.-In a continuous annealing-furnace having an elongated muffle, a plurality of heating flues is provided to give a required highest temperature in one zone of the furnace, and a uniform heat gradient in another zone. As shown, the muffle 9 is heated at one end, where the goods are introduced, by gas fuel from a burner 16. The muffle walls are constructed of two series of bricks or tiles 10, 11 to obviate the cracking common with walls of single tiles, and the tiles 10 have flanges which abut on the furnace walls to form vertical flues. Combustion occurs in the chamber 17, and the hot products pass down the flues 19 to a central bottom flue 20. The top and bottom flues are divided by walls 18, 18<a>, 21 into several compartments 17<a>, 17<b>, so that the gases pass over and under the muffle to the chimney 22. Dampers 24 are provided to control the passage of gases in the side flues 19. In a modified form, Fig. 7, two combustion chambers 29. 30, with independent burners, are employed, and the bottom flue is extended to heat up a tunnel extension 34 connected by a door to the muffle.
Patent GB-1342785-A (GB)
Title: Compactor wheel configuration and vehicles having such wheels
IPC: A01B29/04
Filed: 1971-04-19
Abstract: 1342785 Vehicle wheels; compactor vehicles CATERPILLAR TRACTOR CO 19 April 1971 [16 March 1970] 21047/71 Headings B7C and B7H  A ground-engaging wheel 16, 12 of a compactor vehicle 2 comprises a cylinder with a plurality of sharp-edged chopper blades 22, 18 fixed to, and uniformly around the peripheral surface thereof, said blades being oriented at an angle to the cylinder axis and extending only part way across said peripheral surface alternately from points adjacent the opposite ends of the cylinder, to define offset chevron halves. The blades are dimensioned with respect to the dimension of the circumference of the wheel such that a portion of at least one of said blades is in a position to contact a flat rigid running surface whereby a smooth ride is facilitated. The chopper blades comprise rectangular plates fixedly mounted along the length edge thereof to extend radially outwardly and are reinforced by an inner gusset 38, and an outer gusset 40 which respectively secure the width edges of said blades to peripheral surface of said cylinder. In a further embodiment, a wheel extension 21, 19 is removably attached to each of the above described wheels, each of said extensions comprising a cylinder having a diameter equal to that of the compactor wheels and including a plurality of chopper blades 26, 24 mounted around the periphery thereof.