baber/WOPTO huggingface dataset:
Patent GB-1232679-A (GB)
IPC: B41M5/025
Filed: 1968-11-14
Abstract: 1,232,679. Printing processes. FUJI SHASHIN FILM K.K. 14 Nov., 1968 [22 Nov., 1967], No. 54041/68. Heading B6C. A printing master having a substrate imaged with a different substance is charged electrostatically by immersion in an electrically insulating liquid such that the substrate and image areas are of different polarities. The so-charged master is developed by being coated or immersed in a liquid containing finely divided particles which become electrostatically charged in the liquid in which they are suspended. Finally, the developed image is transferred to a transfer sheet which incorporates a substance for reacting with the particles to produce the image on the sheet. Fig. 7 shows a process for producing continuously transfer colour images from a printing master 79. The transfer sheet 71 is wetted with a solvent 73 for the dye by means of a roller 72. The materials of the various components are selected such that the polarity of charge on an exposed part of the master 79 in relation to the liquid 13 is the same as that of the dispersed particles 41 in relation to the liquid 13, while the polarity of the charge on the pattern 76 in relation to the liquid 13 is the opposite, whereby the dispersed particles are deposited only on the pattern 76. The deposited particles 80 on the pattern are brought into contact with the transfer sheet 71, after the sheet 71 is wetted with a liquid 13 of high resistance, such as a hydrocarbon or fluorohydrocarbon by rollers 72 and 74, by a pressure roller 77. The dispersed particles 80 of the dye deposited on the pattern dissolve in the solvent on the wetted sheet 71 and colour strongly.
Patent GB-1234143-A (GB)
IPC: C08J7/052
Filed: 1969-03-13
Abstract: 1,234,143. Wrapping material. BRITISH CELLOPHANE Ltd. 5 March, 1970 [13 March, 1969], No. 13278/69. Heading B2E. A heat sealable, moisture proof wrapping material comprises a flexible sheet of, e.g. regenerated cellulose or polypropylene provided on both faces with a subcoating consisting substantially of a copolymer containing 93-96% of vinylidine chloride and having a total weight of coating on both sides of the sheet of 2.0- 10.0 g/m<SP>2</SP> and a topcoating comprising a copolymer with a vinylidene chloride content of 80-92% wt. and having a total weight of 1.0-5.0 g/m<SP>2</SP>. The copolymer may contain methyl acrylate, methyl methacrylate, ethyl acrylate, vinyl chloride or acrylonitrile and ¢-3% wt. of itaconic, acrylic or methacrylic acid. The top coating may also include carnauba wax, polyvinyl chloride and triethanolamine lauryl sulphante. The flexible sheet may be provided with an anchor coat, e.g. melamine or urea formaldehyde resins or polyisocyates or may be subjected to an electrostatic field, flame or an oxidising agent. The coatings may be applied from aqueous dispersions by doctor air knife although the top coatings may be applied from organic solutions. The coatings may be dried by infra-red radiation. The sheet may be coated in a continuous process wherein either the sub-coating is applied to both sides and then the top coating is applied or else one side is coated and then the other side.
Patent GB-1238869-A (GB)
IPC: B23B31/20
Filed: 1968-07-26
Abstract: 1,238,869. Chucks. K. SEITTER. 26 July, 1968 [28 July, 1967], No. 35888/68. Heading B3B. A chuck for shanked tools comprises a housing 2 having within it an inner surface tapered towards the end of the housing which receives the tool, an adaptor sleeve 17 which is deformable radially inwardly by being longitudinally displaced along the tapered surface of the housing 2, and clamping means including an eccentric shaft 5 rotatable about an axis transverse to the chuck housing. The eccentric shaft 5 is rotatable to act through a sleeve 6 and a clamping piece 3 to move the adaptor sleeve 17, and a set of resilient springs 16 are mounted between the clamping piece 3 and the adaptor sleeve 17 to yield during rotation of the shaft 5. The inner tapered surface of the housing is provided by an adjustable holding sleeve 19 screwed into the housing. The shaft 5 is mounted within needle bearings 11 in the housing 2, and the sleeve 6 is mounted on the eccentric portion 5a of the shaft 5 by means of needle bearings 7. The springs are pretensioned by a nut 15 screwed on to the clamping piece 3; the nut includes a tapered collar 15a that engages with a similarly tapered collar on the adaptor sleeve 17 to open up the adaptor sleeve when the chuck is opened to facilitate removal of the tool shank 18. The transverse bore in the clamping piece 3 in which the eccentric shaft and sleeve 6 co-operates is formed as two slightly spaced apart semi-circles to allow the eccentric to be rotated 10 degrees past its maximum throw position and be locked against inadvertent release.
Patent GB-1239727-A (GB)
IPC: C02F3/12
Filed: 1970-04-23
Abstract: 1,239,727. Aerating liquids. VOGELBUSCH G.m.b.H. 23 April, 1970 [24 April, 1969], No. 19581/76. Heading B1C. Liquid is aerated by letting it flow from a high level 3 to a low level 4 through a siphon 9 and admitting gas to a part of the siphon which is at sub-atmospheric pressure. The gas flow is varied by a valve 18 controlled either by the liquid velocity as detected at 19' or by the gas pressure as detected in the chamber 16; since the gas reduces the density of the mixture in the downward leg of the siphon, the valve 18 can be thus controlled to keep the liquid velocity constant. The control 20 also senses the pressure at 19 and closes a valve 13 leading to an exhauster 12 which establishes the siphon, and opens the valve 18 when siphonage starts. The gas inlets 15 may be in tubes projecting into the siphon. The gas flow may be controlled by selective control of the opening of a number of gas inlets at different heights, for example by a sleeve sliding over the openings. Alternatively the siphon may be raised and lowered to vary the height of the openings. There may be triangular-reaction rods 24 projecting across the siphon to reduce the size of the gas bubbles. In another embodibent (Figs. 2 and 3, not shown) the crosssection of the downward leg is increased to increase the dwell time of the gas bubbles in the liquid. The siphon may be located at a weir on a river, with the outlet formed as a horizontal slit. A number of siphons may be arranged side-by-side across the river (Fig. 3, not shown).
Patent GB-1250914-A (GB)
IPC: A01D45/10
Filed: 1968-09-27
Abstract: 1,250,914. Sugar cane harvester. A. MINET. 27 Sept., 1968 [12 Oct., 1967], No. 45933/ 68. Heading A1F. A machine for harvesting sugar cane includes a ground gliding member 3 supporting a rotating disc 1 carrying cutters, a chain drive that carries cut cane to belts 9, 10, a slicing knife 28, and an air-blast column 11. The knife disc 1 is mounted on an arm 4 which is supported by a jack 5. The cut canes are seized between the chains 7 and 8, rotated by a bar 24 into the belts 9, 10 and upon emerging are cut into sections by the rotating knife assembly 28. The chopped cane is stripped in the air-blast column 11. The machine is also provided with a controllable topping device having a knife disc 35. The machine may be provided with a flexible guide for disposing the waste-foliage in a row.
Patent GB-1251366-A (GB)
IPC: C03B33/04
Filed: 1968-11-15
Abstract: 1,251,366. Cutting and grinding sheet glass. PERMAGLASS Inc. 15 Nov., 1968 [5 Feb., 1968], No. 54203/69. Divided out of 1,251,364. Heading C1M. In cutting and grinding a sheet of glass in accordance with a pattern, the sheet and pattern are rotated in unison, the sheet being rotated relative to the cutting or grinding means, and the speed of rotation of the sheet is controlled to maintain substantially constant the tangential velocity between the cutting or grinding means and the edge of the sheet by measuring any deviation from a predetermined value of the linear velocity of the edge of the pattern and correcting the speed of rotation of the sheet in correlation therewith. The apparatus forms part of a cutting and grinding machine as disclosed in Specifications 1,251,364, 1,251,365, 1,251,367, 1,251,368, 1,251,369 and 1,251,370 are also referred to.
Patent GB-1252029-A (GB)
IPC: H05B3/00
Filed: 1969-03-27
Abstract: 1,252,029. Work-holding. ROLLS-ROYCE Ltd. 27 March, 1969, No. 16165/69. Heading B3B. [Also in Division H5]  A blade 12 for a fluid flow machine, partly embedded in a block 16 of fusible material which acts as a work-holder whilst machining operations are performed on the exposed portion of the blade 12 is removed from the block by passing an electric current through it to melt the block 16 in the vicinity of the blade and applying opposing forces to the block 16 and blade 12. As shown, the block 16 is a lead-based alloy and current is supplied to the blade 12 by means of a clamp 20 engaging the block 16 and a clamp 18 engaging the blade 12. Alternatively the block 16 is insulating, e.g. a thermoplastic or gelatinous material and the current is passed directly through the blade.
Patent GB-1252342-A (GB)
IPC: B23B3/26
Filed: 1969-02-05
Abstract: 1,252,342. Cutter heads for automatic lathes. G. F. KARRENBERG, [trading as HUGO KARRENBERG & SOHN K.G.]. 5 Feb., 1969 [13 Feb., 1968], No. 6301/69. Heading B3T. Means for operating turning tools 6 of a cutter head 5 rotatable about a bar 3 in an automatic lathe comprises tool-holder shafts 8, each having a lever 10 which is operated by an axially movable pressure key 12 to swing a tool into an operating position, thus giving independent functioning and individual operation of each tool. A pressure key 12 is moved by an extension 12<SP>1</SP> connected to an interior ring 14 by springs or transverse keys. The interior ring is connected to an exterior ring 15 which is in a slide arm 16 positioned on a slide 17. The keys 12 are in grooves 11 in a spindle 1. Movement of tools 6 away from bar 3 is produced by the weight of tool-holders 7 acting about the shafts 8.
Patent GB-1252983-A (GB)
IPC: A41B11/14
Filed: 1969-03-07
Abstract: 1,252,983. Tights. BEGY SOC. EUROPEENNE DE BAS SANS COUTURE. 7 March, 1969 [12 March, 1968], No. 12244/69. Heading A3V. A pair of tights comprise two stockings 10, 11 joined to a pantie portion 12 having an adjustable waistband 13 and at least one cut away area 26. The edge of the U-shaped cut away area may be provided with an elastic band or braid 20. The waistband, which may be sewn to the pantie forming part 12 and which is preferably elastic, may have its length adjusted by button 14 and button holes 15; hooks, snap fasteners and the like may also be used. Tow cut away areas at the sides of the garment may replace area 26, (21) Fig. 2 (not shown).
Patent GB-1257669-A (GB)
IPC: D04H18/00
Filed: 1969-05-17
Abstract: 1,257,669. Needling machine. HINDLE SON & CO. Ltd. 27 May, 1970 [17 May, 1969], No. 25253/69. Heading D1R. A needling machine includes a single driving shaft 8, carrying flywheels 16 and aligned eccentrics 7 which reciprocate needle beam 4 via rods 10 and wrist pins 11. Two or more balance levers 21/25 of the first order are disposed symmetrically on each side of the mid point of needle beam 4, one end 21 of each lever being connected to 4 by hinge pins 17, 19 and rods 20. Each fulcrum 22 is supported in or on bridge beam 1, which also carries bearings 9 in which driving shaft 8 rotates. Balance weights 24, attached to the free ends 25 of the balance levers have a movement which is approximately vertical but in opposite phase to the movement of needle beam 4. The ratio of the combined weight of balance weights 24 to the weight of needle beam 4 and rods 20 is equal to that of the vertical traverse of lever ends 21 to that of lever ends 25. The ratio is preferably unity or less than unity. The eccentrics 7 may be replaced by a scotch crank.
Patent GB-1264733-A (GB)
IPC: A23L19/12
Filed: 1970-05-29
Abstract: 1,264,733. Dehydrating potatoes. LAMBWESTON Inc. 29 May, 1970 [15 Oct., 1969], No. 26042/70. Heading A2D. A process for dehydrating potatoes comprises cutting potatoes into pieces, blanching the pieces, cooling and again blanching the pieces, freezing and dehydrating. Preferred process conditions comprise blanching for 5-30 mins. in water at 160-180F, cooling for 5-30 minutes in a fluid medium (i.e. water or air) at 33-80F and blanching for 5 mins. in water at 160F.
Patent GB-1266094-A (GB)
IPC: G03D3/08
Filed: 1970-06-19
Abstract: 1,266,094. Electro-photographic developing apparatus. VAN DER GRINTEN N. V. June 19, 1970 [June 24, 1969], No.29923/70. Heading G2H. In a liquid developing apparatus, wherein the developer comprises toner particles suspended in an insulating liquid, a development electrode 10 in the form of a rotating cylinder is immersed in the developer bath 1 so as to define, with a guide element 7, a passageway for the copy sheet and is provided with internal plates 12, Fig. 2, which cause developer to pass through apertures 11 in the outer surface of the cylinder and press the copy sheet against the guide element 7 as it moves through the passageway. The apertures 11 may be circular holes or longitudinal slots.
Patent GB-1288225-A (GB)
IPC: C08G18/70
Filed: 1969-09-08
Abstract: 1288225 Polyisocyanates by thermolysing tertiary amine methacrylimide polymers; poly urethanes ASHLAND OIL Inc 8 Sept 1969 44291/69 Headings C3P and C3R Addition copolymers of tertiary amine methacryl imides preferably of the formula where R is CH 3  or a lower hydroxyalkyl group and vinyl or vinylidene monomers are thermolysed at 120‹ to 200‹ C. to produce hindered aliphatic polyisocyanates. The tertiary amine methacrylimide copolymers are prepared by standard procedures in the presence of standard catalysts such as azobisisobutyronitrile or irradiation. Many vinyl comonomers are specified, the preferred one being styrene, In the examples, polyisocyanates are produced by thermolysis of copolymers of beta hydroxypropyl-dimethyl amine methacrylimide with (1) methyl methacrylate, butylmethacrylate, butylacrylate and styrene (2) n-butylaerylate (4) ethylacrylate, methylmethacrylate, and methacrylic acid, (7) n-butylacrylate and isobutyl vinyl ether, (8) styrene, methacrylonitrile, n-butylacrylate; and copolymers of trimethylamine methacrylimide with (3) ethylacrylate, methylmethacrylate, and hydroxypropylmethacrylate, (5) ethylacrylate, methylmethacrylate, and methacrylic acid, and (6) n-butylacrylate and, vinyl acetate. Polyurethanes are made by cross-linking the above polyisocyanates by condensation with polyhydroxy compounds such as a hydroxytermi - nated diol/dicarboxylic acid type polyester or a polyester containing side chain hydroxyl groups derived from dicarbocyclic acids and polyols containing more than two hydroxyl groups, or with a polyether or a polyfunctional amino compound, or a styrene/alkyl alcohol copolymer, as in Example 1.
Patent GB-1288910-A (GB)
IPC: H01M50/14
Filed: 1971-04-19
Abstract: 1288910 Sealed cells SOC DES ACCUMULATEURS FIXES ET DE TRACTION 19 April 197 [27 Feb 1970] 22484/71 Heading H1B An electric cell assembly having a low collision impact mass for use in weather balloons &c., comprises a rigid hollow tubular support 1, Fig. 3, of synthetic material with a grid like structure around which a thin flexible sealed envelope 2 containing thin electrodes, electrolytic and separators is tightly wrapped and held in position by stretched adhesive tape 10. Each cell assembly is flexibly coupled to an adjacent assembly by further strips of flexible adhesive tape 11 leaving gaps between each assembly whereby the electrodes may be coupled end to end as by welded wires 12 of greater length than the gap. The terminals 5, 7 may be of metal mesh welded to the electrodes. Specification 1,201,555 is referred to as giving further constructional details of the flexible electric cell.
Patent GB-1289937-A (GB)
IPC: F16J9/00
Filed: 1971-04-29
Abstract: 1289937 Seals CROSS MFG CO (1938) Ltd 29 April 1971 12224/71 Heading F2B A cylindrical member 12, e.g. a piston, is sealed where it extends through a part-spherical recess 14 in a part 11, e.g. a cylinder, by spring sealing rings 15, 16 of substantially rectangular cross-section in side-by-side contiguity, the rings being alternately radially inwardly and radially outwardly springing to engage the surface 13 of the member 12 and the recess 11 respectively. The outer peripheries of the rings 15 may be ground spherically to match the concavity of the recess 14. The member 12 and part 11 may be relatively rotatable or static.
Patent GB-1290405-A (GB)
IPC: C12N9/56
Filed: 1970-05-20
Abstract: 1290405 Precipitation of protease AJINOMOTO CO Inc 20 May 1970 [22 May 1969] 24346/70 Heading C3H Protease is recovered from an aqueous solution thereof by dissolving Na 2 SO 4  and/or K 2 SO 4  in the solution and precipitating the protease together with Na 2 SO 4  and/or K 2 SO 4  by adding isopropanol. The process is particularly applicable to recovery of an alkaline protease produced by culture of a micro-organism of the species Bacillus subtilis. Preferably 1 to 5 gm. of sulphate are used per 100 gm. protease solution, and 2 to 5 volumes of isopropanol per volume of solution, the isopropanol being added at not more than 10 C.
Patent GB-1296900-A (GB)
IPC: F16B5/02
Filed: 1970-12-10
Abstract: 1296900 Airfield runway lamps LAUR KNUDSEN NORDISK ELEKTRICITETS SELSKAB AS 10 Dec 1970 [10 Dec 1969] 58802/70 Heading F4R [Also in Division E2] The cover 2 of an airfield runway lamp is releasably secured to the bowl-like housing 1 by a plurality of screws 3, each of which passes through a threaded hole in a respective clamping member 5. When the cover is introduced into the housing the clamping member is in the position shown in full lines in Fig. 2, but clockwise rotation of the screw causes the member to rotate through a right angle to the dotted-line position in which one end abuts a stop face 9 on the cover and the other end extends beneath a circumferential flange 7 in the housing. Further rotation of the screw causes the member to come into clamping engagement with the flange and with an abutment surface 11 on the cover. When the screw is turned anti-clockwise the clamping pressure is released and the member then rotates back to the full line position in which it abuts a stop face 10. In a modification (Figs. 3 and 4, not shown), the clamping member (12) is in the form of a downwardly open channel bar and the screw (3) passes through a smooth hole in the base of the channel and engages a nut (15) held captive between the walls of the channel. The upper surface of the nut and the abutting surface of the channel are spherical to enable the screw to adopt a slightly inclined position if required. The head of the screw and the abutting surface of the cover may also be spherical for the same reason.
Patent GB-1302341-A (GB)
IPC: B23B13/02
Filed: 1971-01-13
Abstract: 1302341 Bar feed apparatus INDEXWERKE KG HAHN & TESSKY 13 Jan 1971 1675/71 Heading B3B  Bar-feed apparatus comprises a tubular housing 10 enclosing a cluster 38 of several barstock guide-pipes of different diameters arranged to define a central space 74 isolated from the space between the cluster and housing, a longitudinal slot 70 in each pipe opening into the central space and capable of slidably receiving a radial blade 68 of a bar-stock driver. As shown, the apparatus includes six guide tubes arranged in pairs with facing slots 70 whereby a pusher 66 slidable in one tube of the pair is connected via a plate 68 to a cylindrical part 72 in the other tube of the pair; a drive cable 34 is connected to part 72. The tubes are welded together and are all of different diameters which form a geometrical progression. A number of different pushers are provided, one for each pair of tubes. Sound-deadening material 64 surrounds the tubes. In another embodiment (not shown) the pusher plate terminates in the space between the tubes, and the drive cable extends longitudinally in this space and is connected to the pusher plate. The slots in the tubes are not necessarily coplanar in this instance. The tubes are mounted at their ends in closure members which seal ends of the casing 10. The closure members are rotatable to align a selected guide tube with a chuck 56 on a spindle 54 of a lathe with which the apparatus may be associated. The cable 34 forms part of a gravity feed system in which a weight 30 suspended from a pulley 26 hangs inside a hollow support 14 of the apparatus.
Patent GB-1304010-A (GB)
IPC: F04D27/00
Filed: 1969-09-10
Abstract: 1304010 Fluid regulation PLESSEY CO Ltd 1 Sept 1970 [10 Sept 1969] 44708/69 Heading G3H [Also in Division F1] The control parts 7, 8 of a fluid amplifier 18, which has a power nozzle 2 and output ports 3 and 4, are connected to the throat 21 of a venturi and to a source respectively, the source may be the same as that which is connected to the line I which incorporates the venturi and which terminates in a pressure-reservoir D. Accordingly the control port 7 experiences a signal regardless of whether the flow within line I is to or from the resevoir. In a modified arrangement, Fig. 4 (not shown), the amplifier is made to have two inclined power nozzles (2A, 2B) in addition to the two control ports, the power nozzles being so arranged as to produce an axial flow in the state when the supply to the nozzles is equal and the control port signals are removed. In the arrangement, the two power nozzles are connected to the signal line I such that only one of the nozzles is disposed at the venturi throat. The control ports are fed separately from further signal lines.
Patent GB-1308457-A (GB)
Title: Heat treatment of slags
IPC: C03C10/00
Filed: 1969-06-06
Abstract: 1308457 Slag NATIONAL RESEARCH DEVELOPMENT CORP 29 May 1970 [6 June 1969] 28895/69 Heading C1K The average crystal size in air cooled blast furnace slag is increased by heating the slag to a temperature above that associated with maximum nucleation rate, annealing the slag at 850-1400‹ C. from between 3 hours and 3 days and then cooling the slag to ambient temperature. Alternatively the slag may be melted, quenched, reheated but without prolonged heating at the temperature of high nucleation, and thereafter annealing and cooling the slag. Additionally the slag may be heated, annealed and cooled a second time.
Patent GB-1330128-A (GB)
Title: Service tee
IPC: F16L41/10
Filed: 1970-10-23
Abstract: 1330128 Pipe connections E PASS & CO Ltd 23 Oct 1970 [18 Oct 1969] 51262/69 Heading F2G A pipe connector for joining a branch pipe (not shown) to an existing pipe main 16 includes a tailpiece 10 having an externally threaded, tapered end 12, grooves 18, an internal annular shoulder 28 against which closure member 30 can engage when screwed into its lowest position, and a body 34 having a transverse passage way, which connects with the interior of the tailpiece 10. A cap 38 is screwed on to the end of the tailpiece 10 and holds the body 34 in position. Sealing between the cap 38, the body 34 and the tailpiece 10 is achieved by sealing rings 36. The cap 38 has a plug screwed into its end. The branch pipe (not shown) may be fitted to the internally threaded socket of the body 34. To fit the pipe connector to the main 16, the closure member 30 is screwed down to seal against the shoulder 28 and the connector screwed into the threaded aperture 14, a resilient seal 20 having been placed about the tailpiece 10 on the surface of the main 16 and compressed by a nut 24 engaging threads 26 acting on saddle washer 22. The closure member 30 is then raised to permit contact between the main 16 and a pipe fitted to the body 34.