baber/WOPTO huggingface dataset:
Patent GB-463893-A (GB)
Title: Improvements relating to label holders
IPC: B42F21/00
Filed: 1936-02-24
Abstract: 463,893. Indicating variable information. GUICHARD, R. A. E. Feb. 24, 1936, No. 5523. Convention date, March 1, 1935. [Class 118 (i)] [Also in Group XV] Means for securing a label to documents, index files &c. comprise a band or strip a secured as by clips d to the document or file and a transparent sheath e the edges of which are moved in to engage over the edges of the strip, the label f being placed between the sheath and strip.
Patent GB-852471-A (GB)
Title: Improved conveyor for conveying harvested crop material
IPC: A01D61/04
Filed: 1957-02-19
Abstract: 852,471. Endless-chain conveyers. MASSEYFERGUSON Inc. Feb. 19, 1957 [Feb. 27, 1956], No. 5590/57. Class 78 (1). In a harvester the crop is conveyed from the harvesting table 10 into the body 12 of the machine through a housing 18 by an elevator 40 comprising a pair of parallel chains 62, 63, crop engaging member 90 secured to the chains and extending to the side walls, and drums 42, 66 rotatably mounted within the housing, the former having peripheral guides 92, 94 for the chains and the latter being provided with sprockets 88, 89 for driving the chains. The shaft 44 of the drum 42 is mounted in the ends of arms 48, 49 which are mounted rotatably on a stationary bolt 50 projecting through slots in the casing. The bolt is held by eyebolts 55 which are adjustably mounted in brackets 57 on the casing.
Patent GB-706970-A (GB)
Title: Improved bomb and like loading apparatus for aircraft
Inventor: MEADOWCROFT STANLEY
IPC: B66F13/00
Filed: 1951-03-08
Abstract: 706,970. Hydraulic jacks; load handling machines. ROE & CO., Ltd., A. V. Feb. 14, 1952 [March 8, 1951], No. 5607/51. Drawings to Specification. Class 78 (3) [Also in Groups XXI and XXV] In a hydraulic loading device, a frame containing bombs is hydraulically raised into the aircraft and secured there on suspension fittings. The hydraulic raising means, which are removed on completion of the raising operation, and the means for securing the bomb frame to the suspension fittings are operated from the ground. The hydraulic means consists of a jack at each end of the bomb frame comprising two telescopic piston rods which are retracted by the application of pressure to the rod side of each piston.
Patent GB-999244-A (GB)
Title: Improvements relating to electron multipliers
Inventor: THOMSON ERNEST EXLEY
IPC: H01J43/22
Filed: 1961-02-16
Abstract: 999,244. Electron multipliers. ELECTRIC & MUSICAL INDUSTRIES Ltd. Feb. 8, 1962 [Feb. 16, 1961], No. 5720/61. Heading H1D. In an electron multiplier, the dynodes are supported by spaced, insulating members 4, 5, Fig. 1, having facing surfaces each provided with one groove 8 for each dynode. As shown, in a photo-electron multiplier, the ends of fused glass members 4, 5 project into a cathode screen 9 and are secured in position by wires 14, 15 lying in grooves 6, 7, and welded to plates 10, 11 of screen 9. At their lower ends, members 4, 5 are connected by a transverse rod 16. Ten dynodes 3, Fig. 2, are then slid between members 4, 5, adjacent dynodes being inserted from opposite ends. Each dynode has lateral projections 19 at one end and lugs at its firstinserted end which are turned down to secure the dynode in position. A grid anode and a plate dynode are supported in the last two grooves of each member 4, 5. The outer surfaces of members 4, 5 may be formed with ribs to engage the envelope, and with grooves to house the electrode leads. The dynodes 3 may have metal meshes extending thereover. The photomultiplier may be ¢-inch in diameter and 2 inches or less in length.
Patent GB-1092218-A (GB)
Title: Grinding machine
IPC: B24B17/02
Filed: 1965-02-10
Abstract: 1,092,218. Grinding; milling machine details. MASCHINENEFABRIK ZUCKERMANN WIEN KOMM. GES. Feb. 10, 1965 [Feb. 14, 1964], No. 5797/65. Headings B3D and B3K. A machine for grinding the surface of an elongate workpiece having sharp edges disposed transversely to its longitudinal direction comprises first and second grinding wheels, Figs. 1a and 1b, means 17 for effecting relative linear movement between the wheels and workpiece, means 25 for rotating the wheels in a common plane and in opposite directions, and means for ensuring that the first wheel contacts the leading edge of the workpiece but not the trailing edge and for ensuring that the second wheel contacts the trailing edge but not the leading edge. The machine may have more than one pair of grinding wheels, for example, five pairs 6 . . . 15 at stations 1 . . . 5 for operating on workpieces, which may be of wood, carried by a conveyer 17 past the grinding wheels. Each grinding wheel, which may consist of leaves of abrasive paper projecting radially and supported by bundles of bristles or of a strip of abrasive paper supported on a foam rubber wheel, is carried by an arm 22, Figs. 2 and 3 (not shown) which is slidable along guides 24a on a carriage 24 carrying a motor 25 which is connected by a flexible drive shaft 23 to its associated grinding wheel. The carriages 24 of each pair of grinding wheels are adjustably mounted on quadrants 21 whereby the pairs of grinding wheels can be adjusted about the workpieces so that each pair operates on a separate longitudinal strip of a workpiece. The grinding wheels are urged towards the workpieces by pressure devices 22a, which may be springs or pneumatic mechanisms, and are movable away from the workpieces against the action of the devices 22a by cable devices 29 having outer sheaths disposed between abutments 30, 31 and inner cables at one end connected to the arms 22 carrying the grinding wheels and at the other end connected to one end of levers 28, the other ends of which have followers 33 engaging cams 26. The latter are secured to a common drum 37 which is rotated by a chain 39 from a motor 47 and is connected by a chain 43 to the conveyer 12 so that the conveyer and cams are driven synchronously. The cams control the grinding wheels so that one wheel of each pair grinds a leading but not a trailing edge while the other grinds a trailing but not a leading edge of a workpiece. In another embodiment, the cables are replaced by hydraulic or electric drives. Milling.-Each cam 26<SP>1</SP>, Fig. 5, may be formed by a milling cutter 66 carried by a lever 65 which is movable about a pivot 66 by a cable 62 disposed in a sheath 63 having its ends engaging abutments. The other end of the cable is connected to a slide 59 urged by springs to cause a copying roller 60 to engage a model mounted between clamps 55, 56 on a conveyer belt 54.
Patent GB-491218-A (GB)
Title: Improvements relating to filters
IPC: B01D39/08
Filed: 1937-02-26
Abstract: Liquids are filtered through a fabric, felt, fleece, sheet or other permeable layer of artificial fibres made from a chemically indifferent polymerizate or mixed polymerizate of an organic compound or compounds containing at least one vinyl group. Polystyrene, polyisobutylene, polyvinyl ethers, polyvinyl chloride and after-chlorinated polyvinyl chloride are mentioned as suitable materials.  A reinforcement or a filling-material, such as heavy spar, kaolin or graphite, which is resistant to acid and alkali may be associated with the layer.  Felts or fleeces of the fibres may be given a more or less rigid form by the action of pressure or heat. In one example, a card fleece consisting of threads of polyvinyl chloride is pressed at raised temperature into a compact sheet, which may be embossed by pressing matrices or rollers with the grain corresponding to that of ordinary filter p  paper.  In another example a sheet is obtained by a process similar to that of ordinary paper-making from fibres of mixed polymerizate of vinyl chloride and acrylic acid methyl ester, prepared as described in Specification 387,976, [Group IV].
Patent GB-1366264-A (GB)
Title: Electric personal protection device
IPC: H05C1/06
Filed: 1973-02-06
Abstract: 1366264 An electric personal protection device H M MARKS 6 Feb 1973 [7 Feb 1972] 5851/73 Heading F3C An electric personal protection device has electrically conductive wires 16, 18, Fig. 1, which are coiled around a member 12 of synthetic plastics material in a two-start thread fashion, a vibrator 37, Fig. 4, which converts direct current electrical input from batteries 20, Fig. 2, located within the member 12, and a transformer 34 for stepping up the input voltage of the vibrator 37 to provide a desired output voltage across the wires 16, 18, the transformer 34 having a rod-shaped armature 44 with a primary coil 40 and a set 42 of secondary coils 46 connected in series, the secondary coils being located longitudinally adjacent each other and adjacent the primary coil along the length of the armature 44. The positive pole of the series of batteries 20 is connected via a contact 22 through wire 24 to an on-off switch 26, Fig. 3. The negative pole of the batteries 20 is connected via a compression spring 28, Fig. 2, and a screw 30 to an external metal portion 32, Fig. 1, which is connected to the coil wire 16, the latter being connected to the transformer 34. The switch 26, Fig. 3, is connected to a set of points 36 of the vibrator 37 and a condenser 38 is connected across the points 36. The set of points 36 is connected with the primary coil 40 of the transformer 34 and the positive take-off from the set 42 of secondary coils 46 is connected with the wire 18. When the circuit is energized by switching on the switch 26 a high voltage potential is generated between the wires 16 and 18.
Patent GB-1402556-A (GB)
Title: Seats
IPC: B60N2/70
Filed: 1972-02-08
Abstract: 1402556 Upholstered seats YOUNGFLEX SA 24 July 1972 [5 Aug 1971 8 Feb 1972] 36877/71 and 5917/72 Heading A4M A seat includes a base frame 12, a generally flat padding support 13 extending across the base frame 12 and secured along one or two opposite sides by a row of tension springs 16, and an edge frame 17 mounted above the base frame 12 on a plurality of generally V-shaped springs 18, 19 anchored to the base frame 12 and each having an arm 18A extending upwardly and outwardly from a side edge region of the padding support 13 and secured at their upper ends to the edge frame 17. The padding support 13 comprises wires 15 extending through twisted paper cards 14 and anchored at their ends to paper cards 14A with a wire case. The spring 18 may be generally U-shaped in plan and includes a slot 30 in which the attachment region of spring 16 and support 13 may be displaced. Other forms of V-spring are described. In another embodiment, Fig.11 (not shown), laterally disposed padding supports (110) insulate padding from the V-springs.
Patent GB-525612-A (GB)
Title: Improvements in and relating to apparatus for the wrapping of cartons, blocks or other articles
IPC: B65B61/06
Filed: 1939-02-23
Abstract: 525,612. Cutting-machines. ROSE, A. G., and ROSE BROS. (GAINSBOROUGH), Ltd. Feb. 23, 1939, No. 6002. [Class 31 (i)] In a machine for cutting off a length of wrapping material which has been drawn from a roll 11 in the act of wrapping the material around a box 16 pressed against a roller 27, which box when enclosed in the severed length of material is lowered on to a platform 33 whence it is pressed forward to a device 38 completing the folding, the cutter 31 which may be a' safety razor .blade is mounted on a carriage 53 movable along a transverse guide rod 57 and actuated by an endless chain 62 carrying a pin 61 and roller 59 engaging a slot 58 in the knife carriage, the chain being driven from a shaft 88 through a gear 71 and toothed clutch, themovable part 73 of which is keyed on the shaft 66 carrying the driving chain sprocket 64 and is moved into engagement with the other clutch part 72 by an angled lever 74, 76 pivoted - at 77. The lever arm 76 has pivoted thereto at 78 a latch 81 adapted to engage a catch 86 on the cutter carriage and having a lug 79 .attached to the spring 87 and an arm 82 projecting through a hole in the arm 49 of a bell crank lever 48, 49. When the latter is operated by a pedal and rod 29 the supply roll 11 is held tightly by a brake 24 and the latch arm 82 is depressed which disengages the latch 81 from the catch 86 and allows the spring 87 to engage the clutch 72, 73 and actuate the cutter carriage which at the end of its return movement reengages the latch with the catch. The wrapping material may be of the best-adhering kind or may be gummed as it is cut by a wheel 112 mounted on the knife carriage coacting with a wheel 113 dipping in a trough 114.
Patent GB-511864-A (GB)
Title: Improvements relating to front end chucks
IPC: B23B31/16
Filed: 1938-02-25
Abstract: 511,864. Chucks. FORKARDT, R. Feb. 25, 1938, Nos. 6061 and 6062. Convention dates, Feb. 25, 1937, and Feb. 27, 1937. [Class 83 (iii)] A device for clamping a chuck having a sleeve 2a movable axially over a chuck body comprises a lever 3 actuated by a spindle 7 having a single bearing in the casing 5 which permits rocking movement of the spindle. A pivot bolt 6 extends through the lever 3 into the casing and the spindle 7 has a screw thread co-operating with a nut 8 mounted in a cylindrical bore of the lever. The ball mounting 9 of the spindle in the casing permits the rocking movement of the spindle when it is rotated by a handle 10 to open or close the chuck. The body 1 carries radially movable jaws 13, adapted either for bar stock or chucking operations, and closed by the wedge action of surfaces 14, 15 of the dovetail form 16. Behind each jaw is a spring-pressed plunger 17 bearing on wedge surfaces which are oppositely inclined to the surfaces 14. When the sleeve 2a is moved to the left to clamp the jaws the plungers 17 move outwardly and prevent return movement of the sleeve through vibration. The plungers 17 may be wedge shaped to increase their locking action.
Patent GB-1378629-A (GB)
Title: Toroidal coil winding machine
IPC: H01F41/08
Filed: 1973-02-07
Abstract: 1378629 Toroidal coil winding machine TOKO Inc 7 Feb 1973 [8 Feb 1972] 6107/73 Heading B3E A machine for helically winding a wire 9, Fig. 1, on a toroidal core 8 comprises means 2 for supporting the core, a C-shaped ring 1 rotatably mounted to pass through the core, means for retaining the leading end of a wire threaded through a hole 11, Fig. 6a, in the ring, means 4 for retarding the trailing portion of the wire, and means for rotating the core and ring in synchronism with each other. The C-shaped ring is supported by a C-shaped ring holder 2 formed with an annular track (2<SP>1</SP>), Fig. 5 (not shown), for guiding the ring 1, and a track (2<SP>11</SP>) for allowing the wire 9 to pass freely therethrough. The hole 1<SP>1</SP> in the ring has a smooth rectangular or elliptical contour. One or more openings 4<SP>1</SP> are provided for a brake 4, and notches 3<SP>11</SP> are provided for the mounting of driving rollers 3 and a corresponding number of holding rollers 3<SP>1</SP> for rotating the ring about the track 2<SP>1</SP>. A motor 14 drives the ring via a belt 17 engaging pulleys 15, 16 and a bevel gear 18 meshing with a plurality of bevel gears having shafts secured to each roller 3. The brake 4 is made of a hard synthetic rubber and is biased towards the outer periphery of ring 1 by a leaf spring 6 attached to a brake lever 5. When the wire 9 runs into the space between brake 4 and ring 1, the thickness of the wire lifts the brake but the pressure from leaf spring 6 causes frictional forces between the ring and wire, and wire and brake, the latter causing a tensioning of the wire 9 which may be of copper coated with a polyurethane resin. A clamp 10 is provided for the wire during the winding operation. The core 8 is rotated using a drive roller 11 driven by prime mover 12 and worm-wheel 13, and idler rolls (11<SP>1</SP>), Fig. 8 (not shown). In operation, wire 9 is passed through the hole 1<SP>1</SP> in the ring 1, the other end of the wire being retained in clamp 10, and the ring is rotated anti-clockwise. When the hole 1<SP>1</SP> has passed a point (B), Fig. 6c (not shown), diametrically opposite the core 8 the brake is applied to tension the wire as the hole approaches the core at the end of a single winding operation. The winding machine may be provided with a suitable reduction gearing mechanism, woundturn detecting mechanism and automatic stop mechanism to allow two or three machines to be simultaneously operated.
Patent GB-875957-A (GB)
Title: Process for preparing hexachloroendomethylenetetrahydrophthalan
IPC: C07D307/93
Filed: 1959-02-23
Abstract: 4,5,6,7,10,10-Hexachloro-4,7-endomethylene-4,7,8, 9-tetrahydrophthalan, of formula <FORM:0875957/IV (b)/1> is prepared in a single step by heating hexachlorocyclopentadiene with 1,4-dihydroxybut2-ene in an inert solvent in the presence of a strong acid catalyst and removing water from the reaction mixture as it is formed.  Preferably the reaction is carried out in the presence of up to 5% of acid catalyst, based on the diol, and at 100-235 DEG C. Preferred solvents are C4-C10 alcohols and chlorinated hydrocarbons such as tetrachloroethane. Specified acid catalysts are sulphuric, hydrochloric, phosphoric, hydro-bromic, hydriodic and toluene sulphonic acids.  The product separates out as the reaction mixture is cooled, and may be further chlorinated to give 1,3,4,5,6,7,10,10-octachloro-4,7 - endomethylene-4,7,8,9-tetrahydrophthalan (the insecticide "Compound 6700").  Specification 772,212 is referred to.
Patent GB-1462564-A (GB)
Title: Tool for machining the opening rim of bores
IPC: B23B51/10
Filed: 1975-02-13
Abstract: 1462564 Machining the rims of bores MADISON INDUSTRIES GmbH 13 Feb 1975 [15 Feb 1974] 6122/75 Heading B3C  A tool, e.g. a deburring tool, for machining  the opening rim of a bore in a workpiece comprises a rotatable shaft 1 with one or as shown two radially slidable cutter elements 8 each urged outwardly by spring 10 against abutment means, adjustable screw 5 which is lockable in the adjusted position by threaded pin 6, in threaded bore 4 at the base of blind bore 3 which opens along one side into slide channel 2. A groove 9 in each cutter element  determines the sliding distance of the element. The cutting edge portion 13 of each element 8 is inclined so that the slide 8 is forcibly retracted on entry into the bore and the cutting edge is rounded, see Fig. 1, to prevent marking of the bore wall. Both rims of a through bore may be machined by having two inclined cutting edge portions 13 and 14. An adjustable and replaceable bronze bush 15 may be used for guiding the tool through the bore. Cover plate 11 covers the channel 2 when this is in the form of a milled groove in the end face of shaft 1.
Patent GB-721045-A (GB)
Title: An improved process of and a device for tinting or colouring hair
IPC: A45D19/02
Filed: 1951-03-14
Abstract: Hair is tinted by a process wherein colour particles are sprayed on to the hair and held thereon by a fixative.  By colour particles are meant particles of pigments, metallic powder or other finely divided material, while aluminium powder which may be anodized or tinted, flock, a mixture of blue flock and alumina powder, mica and fluorescent powdered material are specified. Specified fixatives are stearic acid, natural and synthetic resins such as colophony, mutton fat or lard, alcohols and silicones, while wetting agents may also be used.  When metallic particles are used it is preferred that the fixative has good insulating properties so that the spraying will charge the particles with static electricity which will cause them to be attracted to the hair.  The fixative may be used to coat the particles and then the coated particles sprayed on to the hair, or the colour particles may be sprayed dry and the fixative sprayed on before or afterwards.  It is preferred that the fixative is removable by a shampoo or detergent.  The particles may be sprayed from a container, preferably an elastic one having a single orifice and carrying a pipe connecting the orifice to a position well inside the container.  The container may also have agitating means inside it such as a flap or stem or silver sand.  A final lacquer coating may be applied on the fixed particles.  Specifications 573,855, [Group XV], and 721,056 are referred to.
Patent GB-1536591-A (GB)
Title: Nozzle
IPC: E02F3/92
Filed: 1977-02-17
Abstract: 1536591 Nozzles ANDERSON STRATHCLYDE Ltd 17 Feb 1977 [17 Feb 1976] 6242/76 Heading B2F [Also in Division El] In a nozzle, the bore 2 of which comprises a progressively contracting first section which blends smoothly into a second section 4 having an increased rate of contraction and terminating in an outwardly flared exit section, the second and exit sections 4, 5 are formed by an insert 6 located in the nozzle. Preferably the first section is of frusto-conical configuration having a convergence of 18‹, the second section is short in comparison with the first section and has a maximum convergence of 30‹, and the exit section is outwardly curved. The insert is formed of sintered tungsten carbide or a like hard material. The nozzle is intended for use in the jet excavation of sea bed trenches.
Patent GB-399394-A (GB)
Title: Process for the manufacture, from aqueous rubber dispersions of a highly viscous substance capable of being shaped, applied with a brush, or sprayed
IPC: C08L7/02
Filed: 1933-03-01
Abstract: A viscous composition, capable of being shaped, brushed, or sprayed consists of an aqueous rubber dispersion, ammonia, water-glass, and zinc or lead salts of one or more weak acids, e.g. carbonates or borates.  Vulcanizing agents and fillers may also be added.  In an example, to 1 litre of latex (60 per cent) is added 200 gms. sulphur, 10 gms. zinc carbonate, 50 ccs. waterglass (1,25 sp. gr.), and 15 ccs. ammonia (25 per cent). It is then dried with simultaneous or subsequent vulcanization.ALSO:A viscous composition, capable of being shaped, brushed, or sprayed, consists of an aqueous rubber dispersion, ammonia, water-glass, and zinc or lead salts of one or more weak acids, e.g. carbonates or borates.  Vulcanizing agents and fillers may also be added.  In an example, to 1 litre of latex (60 per cent) is added 200 gms. sulphur, 10 gms. zinc carbonate, 50 c.cs. waterglass (1,25 sp. gr.), and 15 c.cs. ammonia (25 per cent). It is then dried with simultaneous or subsequent vulcanization.
Patent GB-1498572-A (GB)
Title: Preparation of active-carbon-supported oxidation catalyst
IPC: C01B32/50
Filed: 1976-03-09
Abstract: 1498572 Oxidizing carbon monoxide in gases; oxidizing carbon CALGON CORP 9 March 1976 [12 March 1975] 06262/77 Divided out of 1498571 Heading C1A [Also in Division B1] Carbon monoxide in a gas stream containing sulphur dioxide and at least 0À5 vol. per cent of water vapour is oxidized to CO 2  in the presence of a catalyst which has been prepared by oxidatively modifying an activated carbon by adding from 1-5 wt. per cent of oxygen, based on the weight of the carbon, to the surface of the carbon to substantially decrease the reducing properties of the carbon, and by thereafter impregnating the oxidized carbon with a catalyst composition comprising Cu, Cr, Ni, Fe, Mn, Au, Ag, Pt, Pd or Rh or a salt, oxide or hydroxide of such a metal. In examples catalysts consisting of CuCl 2 -PdCl 2  supported on active carbon which has been oxidized with nitric acid are used to oxidize CO in air containing SO2 at 80‹ F. The oxidation of the activated carbon can be carried out with O 2 , air, O 2 - enriched air, or an aqueous solution of one or more of ammonium salts, borates, CaO, chlorates, perchlorates, cyanides, iron compounds, HOCl, MnO 2 , Ni salts, permanganate, persulphates and HNO 3 .