baber/WOPTO huggingface dataset:
Patent GB-882924-A (GB)
Title: Improvements in rotary machines for selective duplicating or printing
Inventor: BONSCH FRANCOIS RODOLPHE
IPC: B41L11/00
Filed: 1956-12-28
Abstract: 882,924. Copying documents. BLOCK & ANDERSON Ltd. Dec. 18, 1957 [Dec. 28, 1956], No. 39511/56. Class 100(2) A hectographic duplicating machine includes a rotatable printing drum adapted to carry a master sheet whose lines of text lie axially of the drum, and the peripheral surface of the drum includes an arcuate region which is subdivided into a number of segments each individually displaceable in a radial direction between the printing position and an inoperative position nearer to the drum axis. The drum 10, Figs. 2, 3 and 4, has a clip 21 to hold the master sheet, and comprises an arcuate portion 35, and an arcuate portion divided into segments 30 spaced apart by the line spacing distance of the text on the master sheet and individually displaceable into printing position the same distance from the drum axis as the portion 35 and into inoperative position as shown in Fig. 3. Copy sheets are given an initial feed movement by a moistening roller co-operating with a feed roller, the movement being intermittently derived from the drum, so as to feed the sheets to the nip between the drum and a counter-pressure roller, whereafter each sheet is fed by the latter roller and the drum only when a projected segment 30 engages the counter-pressure roller, so that selected items are printed in juxtaposition on the sheet. Each segment 30 has a web portion 42 engaging in slots 41 in plates 39 rotating with the drum, and is urged inwardly against the slot bottoms by springs 45. Each portion 42 has a cam slot 49 engaging the chamferred edge 50 of each of two discs 51 secured to the plates 39. Aligned with each portion 42 is a finger 53 fulcrummed at 54. Three levers 57 are provided, each angularly adjustable and having a projection 58 passing through an arcuate slot 59 in the drum and engaging a selected finger 53. The two inner levers 57 are manually operated while the outer lever is provided with ratchet teeth 60 engaged by a pawl 61 operated to advance the lever one step on each revolution of the drum by a stationary abutment 65, which can be swung into inoperative position. Thus two segments 30 can be selected manually and each of the others be automatically selected progressively. Movement of any web portion 42 to the left in Fig. 2 by a finger 53 causes the segment 30 to be projected by means of the edges 50 and slots 49. The projections 58 may extend angularly to select more than one line, and the number of levers 57 may be increased. The drum is rotated manually. Alternative selection means are provided at the other end of the drum, comprising levers 72, 76 rotating discs 70, 74 having cam surfaces 73, 77 engaging slots 66, 67 in the portions 42, each to move one or more thereof to the left. The segments are restored rightwards by spring plungers 47.
Patent GB-1070450-A (GB)
Title: A grading device in ballast cleaning apparatus
IPC: E01B27/00
Filed: 1964-09-29
Abstract: 1,070,450. Screening apparatus. V. SEIDL. Sept. 29, 1964 [Sept. 30, 1963], No. 39695/64. Heading B2H. [Also in Division El] In a railway ballast cleaning apparatus adapted to be disposed alongside a railway track and comprising a screening drum 1 and a belt conveyor 15 for returning the cleaned ballast from the drum on to the railway track, the drum is vertically adjustable at its inlet end and, at its other outlet end, is longitudinally slidably mounted, together with a hinged end of the conveyor, on the frame 5 of the cleaning apparatus. The drum 1 is of the bar type and has a helical screw 8 secured to its inner periphery to convey the ballast which is fed into the drum from a conveyor 2. The drum is secured to a frame 3 and is pivotable about pivots 4 slidable on the frame 5. Vertical adjustment of the drum may be by means of a lever 7 pivotable on the frame 5 by a rack and pinion 11, 13. The drive for the drum comprises a pinion engaging a geared rim on the drum, the latter being rotatably supported on rollers. In a modification, Fig. 3 (not shown) the vertical adjustment of the drum is by means of a screw (22) engaging pivotable nuts (21) carried by arms (20) pivotable to the frame (5) and connected to rollers (19) supporting the drum. The belt conveyor 15 is connected by means of a support 14 to the drum 3, the support having rollers 16 slidable on the frame 5. The conveyor is laterally pivotable at 17 on the support 14 and carries on its underside a roller (18), Fig. 2 (not shown), which rests on one rail of the track. Alternatively, the conveyor 15 may be directly connected to the supporting shaft of the drum or its bearing, in which case the support 14 may be omitted. To prepare for the passage of a train through the working site, the screening drum is pivotably moved by the mechanism 7, 11, 13 to a horizontal position as shown in dotted line in Fig. 1. At the same time, or thereafter, the conveyor 15 is pivotably moved about the pin 17 out of the space to be occupied by the train and placed on the ground beside the track.
Patent GB-397015-A (GB)
Abstract: 397,015. Two-stroke engines. SZYDLOWSKI, J., 192, Boulevard St.- Denis, Courbevoie, Seine, France. Jan. 12, 1933, No. 1086. Convention date, Jan. 13, 1932. [Class 7 (ii).] In twin-cylinder engines having a common combustion chamber 3, the cylinder 1 contains a series of admission ports 4 and the cylinder 2, superposed series of exhaust and admission ports 6, 5, preferably out of alignment with each other. A passage 7 connects the cylinders.
Patent GB-932776-A (GB)
Title: Electrode assembly for electric batteries or accumulators
IPC: H01M4/04
Filed: 1959-11-25
Abstract: 932,776. Batteries. YARDNEY INTERNATIONAL CORPORATION. Nov. 25, 1959 [Nov. 26, 1958; April 27, 1959], No. 40075/59. Class 53. The negative electrode 14 of a silver-zinc alkaline cell consists of a zinc sheet covered on one face with a similarly shaped copper sheet which may be attached to the zinc sheet by spot-welding at points 19. Alternatively, the two layers may be laminated together by electro-plating, hot-spraying, sputtering or sintering. Both sheets have cut-away portions 17. The positive electrode comprises two silver plates 10, 10<SP>1</SP>, Fig. 4, which are enveloped in a sheet 11 of regenerated cellulose and a porous layer 13 of nylon mesh. The positive unit is placed on the composite zinc electrode 14 as shown in Fig. 6, and the extending portions 21, 211 folded over on the nylon wrapping 13. The assembled electrodes are folded along a line defined by the gaps 17 to form a U-shaped unit as shown in Fig. 8. Several such units are placed in a casing with their outer copper coverings in contact to join the units in parallel. Leads from all the positive electrodes are brought out to a single terminal, one lead for all the negative electrodes being inserted between two adjacent cell units. In a modification a copper mesh or grid carrying a spongy zinc coating is interposed between the negative electrode and the insulation surrounding the positive electrode. The battery is given an initial overcharge to convert the silver of the positive electrode to silver peroxide.
Patent GB-862779-A (GB)
Title: Etching composition and method
IPC: C23F1/42
Filed: 1958-12-15
Abstract: 862,779. Etching. DIRATS, J. Dec. 15, 1958 [Feb. 27, 1958], No. 40275/58. Class 100(2) An etching composition, particularly for zinc or zinc alloy printing plates is formed by adding to a major part of dilute nitric acid a minor part of a mixture containing alkali sulpho-ricinate free fatty acid, and aromatic solvent, said minor part being not less than 2 % of the entire composition. The fatty acid may be ricinoleic acid, linoleic acid or aleic acid. The sulpho-ricinate and fatty acid should be in the proportion 55-60: 45-60, and the mixture thereof can be obtained by sulphating castor oil. The solvent, which should be 60% of the mixture without the nitric acid, may be vinyl, ethyl or isopropyl benzene, or a petroleum product consisting of 92À5 % aromatic hydrocarbons, the balance being naphthenic and aliphatic.
Patent GB-1330819-A (GB)
Title: Sterile packaging method for surgical devices
IPC: A61L2/07
Filed: 1972-09-01
Abstract: 1330819 Sterile packaging method for surgical devices DOW CORNING CO 1 Sept 1972 [15 Sept 1971] 40571/72 Heading B8C A method of sterile packaging medical devices, such as a mammary prosthesis 11, comprises heating a first sheet 13 of copolymeric tetrafluorethylene-hexafluoropropylene fluorocarbon film placing the device 11 in a cavity moulded in the sheet 13, placing a second closure sheet 14 of the same material as the sheet 13 over the first sheet 13, bonding the two sheets together around the entire periphery of the cavity to form a sealed chamber with the device located therein, and applying heat, at a temperature of at least 120 C. but below the melting temperature of the fluorocarbon film, to the heat-sealed package for sufficient time to sterilize the device sealed therein. The device 11, before being placed in the cavity, which is preferably vacuum moulded, may be wrapped in a drapable sheet of material which is heat stable at the sterilizing temperature. The drapable sheet may be made of copolymeric tetrafluorethylenehexafluoropropylene. Dry heat is preferred to steam heat.
Patent GB-1389601-A (GB)
Title: Gauges
IPC: G01L7/08
Filed: 1972-09-01
Abstract: 1389601 Lirikwork, indicating apparatus SMITHS INDUSTRIES Ltd 31 Aug 1973 [1 Sept 1972] 40602/72 Heading F2K [Also in Division G1] A mechanism for converting axial reciprocating deflecting movements of a pressure or temperature responsive diaphragm 26 into rotary movement of an indicator pointer 20 of a pressure or temperature measuring gauge comprises a plastics (P.T.F.E.) lever 12 pivoted at 13 on the gauge base 10 and having a projection 24 engaging the diaphragm 26, the outer end of the lever 12 having a projection 22 engaging a helical groove 23 of a plastics (P.T.F.E.) spindle 15 rotatably mounted at 2 in the gauge base 10 and carrying at its upper end the pointers 20. In operation, deflections of the diaphragm 26 rock the lever 12 which via the projection 22 and helical cam slot 23 rotate the spindle 15 to move the pointer 20 across a calibrated scale dial 21, a hairspring 28 serving to return the pointer against a stop 32 at the lowest measured values.
Patent GB-1433129-A (GB)
Title: Materials having non-linear resistance characteristics
IPC: B29C61/06
Filed: 1972-09-01
Abstract: 1433129 Polymer compositions with non- linear electrical resistance RAYCHEM Ltd 31 Aug 1973 [1 Sept 1972] 40752/72 Heading C3P [Also in Divisions H1 and H2] Compositions having non-linear electrical resistance characteristics comprise (1) either an ethylene/propylene copolymer or ethylene/ propylene/non - conjugated diene terpolymer rubber containing at least 65 weight per cent of ethylene together with an ethylene/unsaturated aliphatic ester copolymer or a butadiene/acrylonitrile copolymer rubber containing 10 to 40 weight per cent of acrylonitrile, optionally together with an ethylene/unsaturated aliphatic ester copolymer, (2) low density polyethylene, having dispersed therein (3) particulate silicon carbide of size finer than 400 grit. The ester may be a C 1-8  alkyl acrylate, methacrylate, maleate, fumarate or itaconate, or vinyl acetate. The silicon carbide may contain impurities which modify its electrical conductivity, e.g. aluminium, boron, titanium and/or zirconium. The compositions may also contain particulate conducting fillers, e.g. carbon black or finely divided zinc, aluminium, chromium, copper, bronze, brass, iron, lead, silver or nickel. The compositions may be crosslinked, e.g. by irradiation or with an organic peroxide, optionally together with a polyunsaturated cross-linking agent, and expanded to provided heat-shrinkable stress-control coverings for electrical parts, e.g. cable terminations and switch components. Examples describe compositions comprising one or more EPDM rubbers, ethylene/ethyl acrylate copolymer, polyethylene, antioxidant, silicon carbide and triallyl cyanurate together with (1, 3 and 5) zinc stearate, (2) silica, a silane and 2,5-dimethyl - 2,5 - di - t - butylperoxyhexyne - 3, (4) carbon black, emulsifiable polyethylene and said peroxide, (6) aluminium dust, (7 and 8) copper powder and (9 and 10) iron powder; and (11) a composition comprising butadiene/acrylonitrile rubber, polyethylene, antioxidant, silicon carbide, triallyl cyanurate and said peroxide.
Patent GB-1485782-A (GB)
Title: Process and apparatus for wet treating textile webs
IPC: D06C21/00
Filed: 1974-09-19
Abstract: 1485782 Shrinking textile webs ARTOS DR ING MEIER-WINDHORST KG 19 Sept 1974 40795/74 Heading DIL Textile webs are shrunk by wet treatment with fluid jetted upwards across the width of the web 10 from a series of nozzles 13 as the web is fed through a chamber 17 on a sieve conveyor 11, the web being displaced upwardly into a wave to a height higher than the web between the nozzles. Baffle plates 13 are located above the nozzles and both may move in a direction in or opposite to that of the web.
Patent GB-1099486-A (GB)
Title: Hollow ware
Inventor: FLETCHER ARTHUR
IPC: A47J36/02
Filed: 1965-09-25
Abstract: The anodization of aluminium or an aluminium alloy is carried out in an aqueous solution containing 10% sulphuric acid and 5% oxalic acid at 40 DEG F. or 41 DEG F., the current density being 20 amps per square foot.  The anodized material which suitably has a surface layer not less than one and a half thousandths of an inch thick and of a hardness not less than 500 Vickers DPH is used for making articles of hollow ware.
Patent GB-852392-A (GB)
Title: Improvements in and relating to ultracentrifuges for the separation of a gas mixturein two components
Inventor: WIND JAAP
IPC: B04B5/04
Filed: 1958-12-18
Abstract: 852,392. Centrifugal separators. REACTOR CENTRUM NEDERLAND. Dec. 18, 1958 [Dec. 27, 1957], No. 40940/58. Class 23 [Also in Groups XXXIV and XXXV] Apparatus for separating a gaseous mixture comprises a rotor 1 having a part 2 engaging a ball 3 resting in a bearing 4, the rotor being held substantially upright by magnets 9, 10 respectively, fixed to the rotor and a stationary casing 12. The magnet 10 and bearing 4 are respectively supported by members 11, 5, which permit radial movement. Oil is supplied to the bearing by a passage in the member 5. The armature 7 of an electric motor is fixed to the part 2 and is surrounded by a stator 8. The gaseous mixture is supplied to the rotor by a passage 13 and the components are discharged through outlets 14, 15. Part of the rotor may rotate in a vacuum. Specification 561,795 is referred to.
Patent GB-1160898-A (GB)
Title: Improvements in or relating to Teat Cup Cluster Claws for Milking Equipment
Inventor: DYKE EDWARD
IPC: A01J5/08
Filed: 1966-09-13
Abstract: 1,160,898. Milk clawpieces. GASCOIGNES (RESEARCH AND DEVELOPMENT) Ltd. 13 Sept., 1966, No. 40957/66. Heading A1M. A clawpiece for a teat cup cluster has a filter device formed and arranged so that all milk passing through the clawpiece has to pass through the filter device. The clawpiece comprises a metal base cup 21 and a transparent casing 23 within a central aperture of which is fixed a tube 24 carrying a frusto-conical stainless steel filter plate 36, and partitions 35 which divide the upper part of the clawpiece into four milk-receiving compartments each having a milk inlet from a teat cup. The upper surface of the filter plate is dark in colour so that, for example, mastitis can be detected by the presence of milk clots on the filter, the affected teat being identifiable since the claw is compartmented. A rubber valve 30 is connected to a pulsator and has connections for the pulse tubes of the teat cups, the valve being carried by a stem 24 and closing a ring of spaced holes in the top of casing 23. Upward movement of plug 27 raises valve 30 thereby releasing the vacuum in the claw. A rubber bellows 33 is located at the base of the clawpiece. The Specification also describes a teat cup which forms the subject of Specification 1,160,900. Specification 1,160,899 is also referred to.
Patent GB-889429-A (GB)
Title: Improvements in or relating to cooker ovens
IPC: F24C15/00
Filed: 1959-12-04
Abstract: 889,429. Ovens. RADIATION Ltd., and BUCKINGHAM, J. W. Dec. 5, 1960 [Dec. 4, 1959], No. 41363/59. Class 126 Venting means for a cooker oven comprises a duct detachably connected with and sealed to an outlet member attached to a removable splash plate. As shown, the neck 9 of a cup-shaped outlet member 7 is placed over the upper end of a duct 4 which carries a rubberized asbestos washer 10 and brass cup 11. The washer is raised to lie against the open end of the neck 9 and retained by the brass cup which is bolted to the neck 9 at 12. The member 7 is secured to the lower edge of the splash plate 6 and sealed by a strip 8 along its rear and sides. The washer 10 may be located in a groove in the neck 9 in an alternative arrangement.
Patent GB-984143-A (GB)
Title: Foundry moulding machine
IPC: B22C15/12
Filed: 1962-11-01
Abstract: 984,143. Moulding-machines. OSBORN MANUFACTURING CO. Nov. 1, 1962 [Dec. 22, 1961], No. 41363/62. Heading B3F. A moulding machine has a sand shoot and selectively operable squeeze heads mounted for horizontal shuttling movement, and means operable to reciprocate the sand shoot and the selected squeeze head into operative sand filling and sand squeezing positions respectively above a mould box or the like. The machine described is for forming two moulds, e.g. a cope and a drag side-by-side simultaneously, the boxes being fed in pairs along the line E. The apparatus for moulding each box is the same and each comprises a moulding sand hopper 13, 14 with a cut-off plate 15, 16 actuated by cylinders 17, 18 and leading to a sand shoot 43, and a facing sand hopper 30, 31, beneath which cut-off plates 34, 35 and a louvred sand box 36, 37 are shuttled by pistoncylinder assemblies 38-41. Below the hoppers is mounted a horizontal slide carrying a sand shoot 91, 96, two squeeze boards 90, 92, 95, 97 and a carriage 93, 98 carrying piston cylinder assemblies 94, 99 for shuttling the shoot and selected squeeze board to and from a position beneath the sand box 36, 37. Each carriage 93, 98 carries latching members actuated by piston cylinder assemblies which lock the carriage in one of two alternative positions, Fig. 3, relative to the slide conveyer according to which of the two squeeze plates 90, 92 or 95, 97 is to be used. The locking pins are retracted and the latches engaged with the facing sand cut-off plates for movement thereby of the carriage into the desired position. The filling frame 61, 62 is mounted on pneumatic pistons 63, 64 and the pattern plates and patterns 73-76 are moved upwardly by rams 5, 6. The amount of facing sand and moulding sand delivered to the sand box may be adjusted by adjusting screws 52 and 51 respectively.
Patent GB-1430557-A (GB)
Title: Tool for extracting a preformed packing from a groove
IPC: B25B27/00
Filed: 1974-09-23
Abstract: 1430557 Gripping tools FRANCE ARMED FORCES MINISTER OF 23 Sept 1974 [26 Sept 1973] 41408/74 Headings B4W and B4C A tool for extracting a packing ring 4 from a groove 3 in the wall of a bore 2 comprises an elongate hollow member 1 with a laterally projecting jaw or gripping element 6, a slidable member or piston 7 mounted within the hollow member 1 and having a second jaw or gripping element 8 which projects out through a slot 5 in the member 1 and is slidable therealong. Relative movement of the piston 7 and member 1, and thus of the elements 6, 8 to grip the ring is effected by manual rotation of a nut 32 threaded on a screwed extension of the piston 7. An adjustable stop mechanism 24 ... 31 limits the movement of the nut 32 in the non-gripping direction to determine initial jaw-spacings corresponding to packings of different widths, the mechanism having co-operating discs 24, 26 with lugs 27 selectively engageable in notches 25 of different depths. Interchangeable flanged spacers 10 may be placed on the hollow member 1 in abutment with a hand grip 9 to ensure entry of the tool into the bore 2 to the exact extent necessary to align the jaw elements 6, 8 with the flanks of the groove 3.
Patent GB-1482694-A (GB)
Title: Isoparaffin alkylation process with periodic catalyst regeneration
IPC: B01J29/00
Filed: 1974-09-26
Abstract: 1482694 Alkylating isobutane and regenerating the catalyst UNION CARBIDE CORP 26 Sept 1974 [27 Sept 1973] 41845/74 Heading C5E An alkylation process comprises contacting an olefin containing from 2 to 5 carbon atoms with isobutane in a catalytic conversion zone containing a catalyst composition comprising at least one hydrogenation agent of the group nickel, platinum, palladium, rhodium and ruthenium and a three-dimensional crystalline zeolitic molecular sieve having a pore size large enough to adsorb 2,2,3 trimethylpentane, an alkali metal content less than 3À5 weight per cent based on the weight of dehydrated zeolite and an SiO 2 /Al 2 O 3  molar ratio of at least 2À0 said contacting being continued until the alkylation activity of the catalyst has decreased, whereupon said catalyst composition having  decreased activity is contacted and hydrogenated with hydrogen gas at a partial pressure of from 0À01 to 1000 atmospheres and at a temperature of from 80‹ to 572‹ F. for a sufficient period of time to improve the alkylation activity of the catalyst. The hydrogenated catalyst may be reused without intervening oxidative regeneration.
Patent GB-1016635-A (GB)
Title: A column for partition chromatography
IPC: B01J20/281
Filed: 1963-10-23
Abstract: A column for partition chromatography contains a filling of bodies which are impermeable to the material to be passed through the column and which have a porous surface film said film comprising a particulate active solid sorbent having a particles size less than 1m .  The porous film, may contain a high boiling liquid to modify its properties e.g. triethylene glycol, squalene or b b 1-dinitrile ethyl ether, whilst the porous film may be constituted by Fe2O3, TiO2, ZrO2, Al2O3, carbon black, or permanent violet.  The impermeable bodies may be packing bodies as used in conventional distillation columns e.g. glass or bronze beads, Raschig or wire mesh rings, wire helices, Berl saddles or Steadman packing.  The active film can be produced on the carrier body by (a) a chemical reaction on the surface of the bodies e.g. coating with iron acetate and adding ammonia, (b) applying the film to the bodies as a paste or slurry and drying; (c) applying an adhesive to the bodies e.g. silicone resin or lacquer, and then the finely divided sorbent, or (d) spraying a suspension of the sorbent in a volatile dispersant on to the bodies. The impermeable bodies may be coated with Ag or Au or etched to ensure good adhesion of the sorbent. Comparative examples separating hydrocarbons are given.  Reference has been directed by the Comptroller to Specification 980,892.
Patent GB-1532509-A (GB)
Title: Emergency locking retractor with comfort belt tension
IPC: B60R22/44
Filed: 1976-10-08
Abstract: 1532509 Safety belt retractor AMERICAN SAFETY EQUIPMENT CORP 8 Oct 1976 [16 Aug 1976] 42016/76 Heading A3V To reduce the rewind tension in a safety belt retractor during use a retractor spring 40 has part of its rewind torque applied in the opposite direction thereby to reduce the resultant torque on the spool. In use when the belt is protracted pawl 71 engages teeth of a ratchet 22 and outer end of spring 40 is interconnected through gears 32, 60, 50 to the spool to provide a belt unwinding action in the opposite sense to the belt winding action of the inner part of the spring, thus reducing belt tension. In a modification the gear system is replaced by a pulley and belt system.