baber/WOPTO huggingface dataset:
Patent GB-823283-A (GB)
Title: A method and apparatus for the separation of isotopic ions
IPC: B01D59/50
Filed: 1956-12-10
Abstract: 823,283. Separating ions by electrolysis. BEYRARD-BENCHEMOUL, N. R., and OSS, C. J. VAN. Dec. 10, 1956 [Dec. 15, 1955], No. 37627/56. Class 41. [Also in Group II] A method of separating isotopic ions in solution, e.g. uranium isotopes, comprises subjecting a solution containing the ions simultaneously to the actions in opposite directions of a centrifugal force and a radial electric field whereby ions of one mass are deposited at an electrode. The solution is pumped rapidly, e.g. at 40 metres per second, round a circuit which includes a device 3 having a helicoidal groove 13 in the surface of an insulating cylinder 12, the ions being thus subjected to a centrifugal acceleration of 100,000 g. A conductive strip electrode 14 is wound in the groove 13, e.g. as the cathode, and a metallic sheath 15 surrounding the cylinder 12 is made the anode, the voltage in one embodiment being adjusted to apply a force to the ions intermediate the forces which are applied to ions of two different masses due to the centrifugal action, ions of different mass thus moving in opposite directions towards the appropriate electrode 14 or 15. Where the ions to be separated are anions, the electrode 14 is made the anode. The sheath 15 is enclosed in a tightlyfitting tube 16 which may be conductive or insulating. The solution is circulated through a tank containing an electric heater, a cooling coil and a thermostat which keeps its temperature just below boiling point, e.g. by actuating a switch in the heater circuit or a valve in a line for a fluid delivered to the moving coil. The electrode 14 may be formed by a conductive deposit on the base of the groove 13, and the voltage applied to the electrodes 14, 15 may be adjusted by a rheostat actuated by a pressure-sensitive device in the liquid line at the intake of the device 3.
Patent GB-1125604-A (GB)
Title: Improvements in and relating to air conditioning, purifying and humidifying apparatus
Inventor: TREISTER JUNE MARY
IPC: F24F3/12
Filed: 1964-09-15
Abstract: 1,125,604. Air purifier and humidifier. BRITISH SAROZAL Ltd. 10 Sept., 1965 [15 Sept., 1964], No. 37647/64. Heading B1R. An air purifier and humidifier of the type wherein air to be .purified and humidified is drawn over a surface wetted by a liquid, such as is e.g. described in specification 914,466, has an electric light bulb or tube arranged in an air inlet to the purifier and humidifier whereby simultaneously with the provision of light the air entering the inlet is preheated prior to contacting the wetted surface. The operation of the apparatus can be controlled by changing the electric light bulb or tube.
Patent GB-361657-A (GB)
Title: Improvements in pumps
IPC: F04B1/20
Filed: 1930-12-13
Abstract: 361,657. Cam-actuated pumps. LAWSER, C. W., 111, City Avenue, Bala, Pennsylvania, U.S.A. Dec. 13, 1930, No. 37698. [Class 102 (i).] In a pump delivering fluid cellulose the plungers 30 are arranged longitudinally in cylinders 29 in a rotor 25 driven by a pinion 28. The spherical ends 31 of the plungers 30 are' arrangedin pockets 32 in a disc 33 which is maintained in contact with the inclined face 34 of an end cap 35 by means of a spring-pressed plunger 38. Fig. IV, shows 'the developed inner, surface, of the. casing in which grooves 47, 48, 49 are arranged. The groove 47 connects the suction port 45 of the cylinder 29 to the pump inlets 20, groove 48 connects the dipscharge port 46 to the port 22 leading through the pipe 24 to the pressure bottle 12, and groove 49 connects the discharge port 23 of the pressure bottle 12 to the pump discharge.
Patent GB-1480096-A (GB)
Title: Plastics abrasive media
IPC: B24B31/14
Filed: 1974-08-29
Abstract: 1480096 Moulding abrasive articles CERA. TEX ENG Ltd 29 July 1975 [29 Aug 1974 19 Dec 1974] 37720/74 and 54830/74 Heading B5A [Also in Divisions B3 and C4] A plastics abrasive article is moulded from a mixture of urea-formaldehyde resin, an abrasive and a hardener, the mixture having a greater proportion by weight of urea formaldehyde resin than of the abrasive. The mould which is preferably of silicone rubber may be heated in hot water and the mixture may also include urea.
Patent GB-1159122-A (GB)
Title: Improvements in or relating to Reactive Dyestuffs
Inventor: RANDALL DAVID I
IPC: C09B62/47
Filed: 1966-08-23
Abstract: 1,159,122. Reactive dyestuffs. GAF CORP. 23 Aug., 1966 [21 Oct., 1965], No. 37810/66. Heading C4P. The invention comprises monoazodyestuffs of general formula A-N=N-B having at least one α,#-dihaloacryloylamino group attached to A and NB and wherein A is a benzene nucleus which may contain a sulphonic acid and/or an OH group, and B is an N-phenyl-3-methyl-5- pyrazolone which may be substituted by halogen, sulphonic or carbonylic acid on the phenyl nucleus, or is a naphthol optionally substituted by one or two sulphonic acid groups but not pto the OH group and/or an acylamide, carbonyl or OH group, the dyestuffs containing at least one sulphonic acid group in A or B. The dyestuffs are prepared by introducing an α,#- dihaloacryloylamino group into a dyestuff intermediate or an azo dye by acylation of an amino group and converting the intermediate into a dyestuff by diazotization and coupling. The dyes obtained dye cellulosic materials e.g. cotton, linen, wood and paper in all shades.
Patent GB-1153296-A (GB)
Title: Improvements in or relating to Shaft-Coupling Mechanisms
Inventor: ARNOLD GEORGE HENRY
IPC: F16H27/06
Filed: 1965-09-03
Abstract: 1,153,296. Toothed gearing. GENERAL ELECTRIC & ENGLISH ELECTRIC COMPANIES Ltd. 5 Sept., 1966 [3 Sept., 1965], No. 37839/65. Heading F2Q. Continuous rotation of a shaft 16 is converted into intermittent rotation of the turret 2 of a radio transmitter and/or receiver by the engagement of a pin 17 on the driving member 1 in radial channels 5-8 on the turret, a locking member comprising two arms 21, 22, freely mounted on a shaft 18 and biased apart by spring 26, being urged by the driving member 1 into contact with two of stops 12-15 on the turret 2 to prevent rotation of the turret during lost motion of the driving member 1. In an alternative embodiment, Figs. 5, 6 (not shown), a normal Geneva star-wheel (32) is driven by a disc (37) carrying a pin (38), the locking member comprises a U-shaped spring member (34) slidable laterally of the axes of rotation of the wheel (32) and disc (37). One leg of the spring member (34) lies adjacent the disc (37) shaped to contact the leg and spring bias the other leg into contact with the wheel (32) to prevent rotation of the wheel during lost motion of the disc (37).
Patent GB-946279-A (GB)
Title: Circuit-breaking carbon brushes
IPC: H01R39/58
Filed: 1962-10-08
Abstract: 946,279. Brushes for dynamo-electric machines. SCHUNK & EBE G.m.b.H. Oct. 8, 1962 [July 20, 1962], No. 37999/62. Heading H2A. A brush 1 has a blind bore 2 in which is located a plunger 4 of electrically insulating material held between the blind end 3 of the bore and a fully compressed spring 5 by a cover plate 6 which is retained in the bore by a rammed plug of powdered copper 8. When the brush wears down sufficiently to uncover bore 3 the plunger 4 bears on the commutator and lifts the worn brush clear so that damage to the commutator is prevented. The cover 6 is a force fit in bore 2 and may form part of the connecting pigtail 7. The powder plug may be sealed in place by a lacquer coating.
Patent GB-1143096-A (GB)
Title: Carbon brushgear
IPC: H01R39/41
Filed: 1966-08-25
Abstract: 1,143,096. Brushgear for electric motors. E. P. EATON, and D. ELOW. 25 Aug., 1966 [13 Sept., 1965], No. 38135/66. Heading H2A. Brushgear for an electric motor comprises a brush holder 10 having an electrically conductive cap 17A and a hollow central portion in which is slidably disposed a carbon brush 12B formed at one end with a cavity 21 in which is fitted in electrical contact with the sides thereof a helical end portion of a helical spring 15 which constitutes the single flexible electrical connection between the brush and the cap and urges the brush away from the cap. The spring may be of beryllium copper or Cortem alloy, and in modifications the cavity is frusto-conical, annular, and dovetail shaped, and possibly threaded. The brush is of rectangular or circular cross-section.
Patent GB-1172548-A (GB)
Title: A Fixing Bolt for Use in Bolt Firing Tools
Inventor: FISCHER ARTUR
IPC: F16B19/14
Filed: 1967-08-18
Abstract: 1,172,548. Anchor bolts. A. FISCHER. 18 Aug., 1967 [20 Aug., 1966], No. 38227/67. Heading F2H. A fixing bolt for use with a bolt firing tool comprises a shank 10, a cylindrical collar 13 and a penetrative tip portion 15. The surface 14 of the collar is adapted to receive a plunger or muzzle of the bolt firing tool. A cap 18 having a bore 19 to receive the tip portion 15 is supported on the collar and its end surface 20 lies in a plane perpendicular to the bolt axis. This ensures that the bolt is accurately driven into a member at right angles to the member. The upper portion 11 of the shank is threaded to receive a nut and the tip is screwed into the collar by threads 16. In use, the cap 18 is placed in contact with the member to receive the bolt and the tip 15 is then driven through the cap, the collar entering the cap. Modifications are described in which the tip is secured to the collar by deforming the collar around a head of the tip and a bolt formed in one piece is also described.
Patent GB-1059727-A (GB)
Title: A method of producing electricity by means of a magnetohydrodynamic cenerator
IPC: H02K44/10
Filed: 1963-09-27
Abstract: 1,059,727. Generators operating by electromagnetic interaction with fluids. SIEMENSSCHUCKERTWERKE A.G. Sept. 27, 1963 [Oct. 10, 1962], No. 38271/63. Heading H2A. In a MHD generator at least one of the electrodes is cooled so that its working surface in contact with the working fluid is maintained at a temperature just less than the melting point of the material used thinly causing an emissive layer, comprising constituent parts of the seeded working fluid, to be formed on the surface of the electrode. The thickness of this layer remaining substantially constant and sufficiently thin to avoid large resistance drops at the eletrode surface by optimum choice of operating parameters. The electrodes may be made of graphite or high grade steel and cooled by air or water passed through ducts in the electrode body. The coolant may be used to preheat the air and fuel which is supplied to the combustion chamber. The working surface of the electrodes may be platinum coated or roughened and the cooling controlled in dependence on the output of the generator.
Patent GB-899187-A (GB)
Title: Improvements in or relating to welded rails
IPC: B23D37/00
Filed: 1959-11-12
Abstract: 899,187. Broaching. CROUCHER, A. H. Aug. 26, 1960 [Nov. 12, 1959], No. 38454/59. Class 83 (3). A metod of smoothing the joints of buttwelded rails 1 comprises gripping the rail and applying curved broaches 4-7 to parts of the joint. The broaches are moved in guides 8, 9, 10, 11 by pivoted cylinders 13, 15, within a framework which can be opened by cylinders 16 or locked in closed position by other cylinders 17. The rail is held by hydraulic grippers 18 actuated from an intensifier 21 and connected by equalizing links 22. Adjacent broach guides are urged apart by springs. The upper and lower pairs of broach guides are vertically adjustable by cylinders 23, 24 turning eccentrics 25-28, and are laterally adjustable by cylinders 31, 32 turning other eccentrics. The positions of the eccentrics are controlled by pairs of sensing fingers 37 mounted on the guides and acting on each side of the weld on the upper and lower flanges and on the two upright sides of the rail, a setting pointer 39 being provided. The fingers are connected to bell-crank levers 42, 43 to move a valve 44 controlling the associated eccentrics. The guides are thus set according to which finger most protrudes. The finger assemblies are each carried on a pivot 53 so that, as the broach passes the fingers, a roller 54 engages a ramp 55 on the broach and moves the fingers clear. When sensing and adjusting is complete, the guides are hydraulically locked. The sequence of operation is controlled by a manually rotated switch. The broaches may intermesh so that they machine over-lapping areas. In modifications, the frame is not openable and the hydraulic means are replaced by screw or other mechanical actuators.
Patent GB-1424518-A (GB)
Title: Construction units
IPC: B60V1/00
Filed: 1972-08-18
Abstract: 1424518 Coupling buoyant units; air cushion supported dredgers MACKLEY-ACE Ltd 2 Aug 1973 [18 Aug 1972] 38554/72 Headings B7A B7H and B7S In a construction unit 1 of box-like form having couplings at oppositely-facing surfaces for releasably connecting the unit to a similar unit, the couplings comprise staples 4 attached to and projecting outwardly from one surface 2. of the unit and stationary hooks 5 attached to and projecting outwardly from the opposite surface 3 of the unit. The hook members of one unit engage the staple members of a similar unit to couple the units together. The unit 1 may also be releasably connected to a further unit la to form part of a fluid-cushion supported platform, the further unit, Fig. 4, being provided with a section 20 of flexible skirt for containing cushion fluid. The embodiment of Fig. 6 shows a conventional dredger 40 converted into an air cushion supported dredger by attaching con struction units la to its sides and similar units 1b at its corners.
Patent GB-1274763-A (GB)
Title: Roll forming apparatus
Inventor: LAWLER JAMES RICHARD
IPC: B21D5/08
Filed: 1969-08-01
Abstract: 1,274,763. Profile section forming by rolls. J. R. LAWLER. 1 May, 1970 [1 Aug., 1969], No. 38615/69. Heading B3E. A roll former for shaping a metal strip into a Z-, C- or U-shaped cross-section comprises first and second shafts supported in spaced, parallel relation, a plurality of roll segments releasably mounted on each shaft at least one of the roll segments on the first shaft having a radial annular projection tapering to an apex, and at least one of the roll segments on the second shaft having a radial outwardly facing annular recess, said recess tapering to a flat innermost surface to contactably receive the metal strip which is also contacted by the apex of the projection of the roll segment of the first shaft at a point adjacent the junction of the taper with the flat innermost surface of the recess of the roll segment or segments on the second shaft. In an embodiment a series of roll formers 46a-46i are provided in a furnace 10 (Fig. 1) which has a compartment 12 containing the fire tube 26 around which gas or air is circulated by a fan 32 and a compartment 14 enclosing the roll formers. A partition 16 provided with adjustable baffles 42 in openings 40 separates the two compartments. The metal strip enters the compartment 14 through a guide 44 on to a guide support 46 and into the first pair of roll formers 46a. Work supports 48a-48f are provided between the roll formers. Each pair of roll formers are mounted in stands 51a and 52a (Fig. 2) the lower roll shaft 54a being fixed and the upper roll shaft 53a being adjustable vertically by a micrometer screw-thread adjustment 73a, 74a. Cooling fluid can be circulated through each shaft. Each roll former comprises three separate segments keyed to their shafts the upper roll having a central segment 77a and two outer segments 78a and 79a. Similarly the lower roll comprises segments 80a, 81a and 82a which are profiled to co-operate with the upper roll segments. The series of roll formers progressively form the metal strip into its final cross-sectional profile (Figs. 2 to 10, not shown). As the roll formers are being used at temperatures within the range of 100‹ to 1500‹ F. the work surfaces of the central segments are undercut to reduce contact with the strip to a minimum thereby assisting in maintaining the roll formers cool. The roll pairs are driven by a variable speed motor 100 (Fig. 11) which belt drives reduction gears 104, 106 and 108. A pair of chains 116 and 118 driven by the reduction gear 108 pass over roller gears 120 and 122 and drive the rolls 46a-46i.
Patent GB-1270323-A (GB)
Title: Electric control systems
IPC: H03K5/00
Filed: 1969-08-01
Abstract: 1,270,323. Automatic frequency control. INTERNATIONAL BUSINESS MACHINES CORP. 1 Aug., 1969 [23 Aug., 1968], No. 38664/69. Heading H3A. A closed loop control system includes in the error signal path a phase shifter comprising two capacitors 42, 44 connected in series between the error signal line and a reference point, the capacitor 42 being shunted by a resistor. Initially the system is in a high gain mode when error signal from discriminator are fed through gates 22 or 24 depending on whether an increase or a decrease in frequency is required. The circuit is then subsequently switched to low gain mode using gates 28 or 30. A further capacitor 40 and resistor 48 are also provided in the phase shifter to combine the high and low gain paths.
Patent GB-1065950-A (GB)
Title: A method for mounting a lid on a plastics lined package
IPC: B65D43/02
Filed: 1965-09-10
Abstract: 1,065,950. Packaging; containers. O. W. CHRISTENSSON. Sept. 10, 1965 [Oct. 13. 1964], No. 38701/65. Headings B8C and B8P. A plastic cover 27 (Fig. 3) is heat-drawn on to a filled cup-formed package having a plastics liner 23<SP>1</SP>. The cover may be formed so as to be in contact with an outwardly extending flange 26 integral with the liner 23<SP>1</SP>, a grip tongue 30 being provided to facilitate removal of the cover, which may be secured to the liner by heat-sealing, gluing or pasting or simply by a grip fit. The cover may be drawn on to the package mouth during heating by a plunger, or by use of vacuum or air under pressure. The heating of the cover material may take place either before or after placing it over the package mouth. An aluminium foil 32 over the contents 33 of the package protects the said contents from the heat involved in the covering process. The container of the package comprises a blank of cardboard &c. (Fig. 1, not shown), shaped so that, on folding, vents are formed at the bottom corners (Fig. 2, not shown), to facilitate withdrawal of air so as to draw the liner 23<SP>1</SP> into contact with the container walls.
Patent GB-927972-A (GB)
Title: Combination tool essentially for use by electricians
IPC: G01R19/155
Filed: 1961-10-30
Abstract: 927,972. Stripping cables; detecting the pressure of current and voltage. I SHIMKIN. Oct. 30, 1961 [Nov. 1, 1960], No. 38726/61. Classes 36 and 37. [Also in Group XXIII] In a combination tool for detecting voltages, cutting thin wire and stripping insulation comprising one or more voltage detecting gas discharge lamps 3, 13 housed in a hollow insulating handle, (Group XXIII) at least two terminals are provided on the handle one of the terminals being an external touch contact as at 6 and the other being a screwdriver 7b or probe prong protruding from the handle and having a laterally projecting plate 8 with a sharp edge 8a. The plate 8 is provided with a closed aperture 9 widened at one end for stripping insulation from wire, the aperture 9 having edges thinner than the main part of the plate. In a modification a plate having an open ended aperture is provided. A metal contact plug 18 is inserted in the handle to prevent displacement of the lamps 3, 13 and high ohmic resistance 4. The end of the screwdriver 7 is housed in the handle, a stop 7d preventing complete removal. The screwdriver is biased outwardly by a spring 19 which contacts the plug 18. The lamp 3 is of higher voltage than the lamp 13 the arrangement being such that the upper contact 6 introduces both lamps into circuit whereas a lower contact 6a introduces only the lamp 3 into circuit. In a modification only one neon lamp is provided.
Patent GB-1150819-A (GB)
Title: Improvements in or relating to continuous dryers for washing
Inventor: SULZMANN ERICH
IPC: D06F58/02
Filed: 1967-08-23
Abstract: 1,150,819. Drier drum. E. SULZMANN. 23 Aug., 1967 [25 Aug., 1966], No. 38834/67. Heading F4G. In apparatus for drying laundry or the like in continuous flow through a rotary, perforated drum 11, Fig. 1, within a housing 10, repeated circulation of a heated air supply within the drier is achieved by a ventilator fan 14 towards the charging end 13 of the drum which has less output than one or more circulation fans 26 which circulate the air through the drum and over heater tubes 12, Fig. 2, mounted between the drum and housing. The charging end is hermetically sealed by an end wall 11a embracing a charging hopper 17 and the discharge end 18 of the housing is sealed by a wall 10b except for an ambient air inlet opening 23 beneath the drum. The ambient air is induced into the interior of the drum together with the hot air discharged from the drum through its discharge opening, which discharge opening has a delivery head 21 open at the bottom. The speed of the circulating fans may be regulatable and the discharge fan may have a regulatable output.
Patent GB-365751-A (GB)
Title: Improvements in parquet floors
IPC: E04F15/04
Filed: 1930-12-24
Abstract: 365,751. Nailed securing plates. WREDE, C., 4, Wittelsbacher Platz, Munich, Germany. Dec. 24, 1930, No. 38907. [Class 89 (ii).] Parquetry panels built up of frames and blocks are laid on joists and are secured by flanged U-shaped metal plates s nailed to the joists.
Patent GB-1509318-A (GB)
Title: Suture with radiation degradation near needle-suture junction
IPC: A61B19/00
Filed: 1975-09-24
Abstract: 1509318 Surgical needle ETHICON Inc 24 Sept 1975 [25 Sept 1974] 39108/75 Heading D1G A needle-suture combination comprises a needle 11 having a sharp end and a blunt end and having a recess 14 in the blunt end; and a suture 12 made of cellulose or a cellulose ester, a polyolefin, a vinyl polymer, an acrylic polymer, a lactide polymer, a glycolide polymer or a copolymer of lactide and glycolide, said suture having one end 13 positioned in said recess, and being retained therein by compression of portion 17 of the needle, and having a portion A adjacent the needle weakened by exposure to beta or gamma radiation. The cumulative dosage of gamma radiation on portion A is from 5 to 200 megarads. The suture may be a monofilament or a multifilament suture and may comprise cotton, linen, viscose, rayon, cellulose acetate, polypropylene, polyethylene, polyvinyl alcohol, polyvinyl acetate, polyvinylidene chloride or polyacrylonitrile.
Patent GB-1507887-A (GB)
Title: Tennis racquets
IPC: A63B49/00
Filed: 1975-09-25
Abstract: 1507887 Tennis rackets PRINCE MFG INC 25 Sept 1975 [21 Oct 1974 10 Sept 1975] 39261/75 Heading A6D A tennis racket of standard overall length. weight and balance has a larger head than conventional rackets. the strung surface having an area between 85 and 130 square inches, a maximum length (in the direction of the racket axis) of between 12 and 15 inches and a maximum width (in a direction transverse to the racket axis) of between 9¢ and 11¢ inches. The head thus extends to a region closer to the racket handle than it does in conventional rackets and this is said to move the geometric centre of the head closer to the centre of percussion ("sweet spot"). Coefficients of restitution for various areas of the strung surface are specified. The overall length is between 26 and 28 inches, the weight between 12 and 15 ounces and the centre of gravity at a location between 45 and 52% of the overall length measured from the handle end. The frame may be of wood, fibre reinforced plastics, or (in a preferred embodiment) extruded aluminium of generally Fig. 8 cross - section, bent to define the head and the shaft and fitted with plastics throat section. Stringing. The spacing between adjacent strings is least near the geometric centre of the head and gradually increases towards the head periphery. The strings may be of gut or nylon at a tension of between 65 and 70 pounds. In the case of the aluminium frame, a plastics grommet strip, Figs. 3 and 4 (not shown), is provided.