baber/WOPTO huggingface dataset:
Patent GB-1408726-A (GB)
Title: Aromatic polyamides
IPC: C08G69/32
Filed: 1973-08-02
Abstract: 1408726 Self - extinguishing polyamides BAYER AG 2 Aug 1973 [2 Aug 1972] 36779/73 Heading C3R Self-extinguishing aromatic polyamides are obtained by polycondensation of equivalent quantities of (1) an amine component comprising (a) 0 to 80 mol. per cent of 2,4-diaminodiphenyl ether and (b) 100 to 20 mol. per cent of 2,4-diaminodiphenyl ether having one or two halogen substituents on the ring not carrying the amino group, and (2) an acid component comprising 20 to 100 mol. per cent of iso- and 80 to 0 mol. per cent of tere-phthalic acid dichloride or dibromide. Polycondensation is effected at below 100, preferably below 30 C. in a hydrogenhalide accepting solvent which may contain additional acid acceptors. Stabilizers, U.V. absorbers, pigments, fillers or dyes may be added to the polyamide which may be used to form foils, threads or fibres useful for protective clothing or high-temperature filter cloth.
Patent GB-1358883-A (GB)
Title: Pattern wheel with pivotally mounted jacks
IPC: D04B15/76
Filed: 1971-08-05
Abstract: 1358883 Knitting machines SINGER CO 5 Aug 1971 [10 Aug 1970] 36810/71 Heading D1C A pattern wheel for a circular knitting machine comprises a ring 12 with radial slots 20 in some of which are placed jacks 28 each pivoted to an arm 26, to form a unit removable from the slot, means being provided for holding the arms 26 in fixed position in the slots and for holding the jacks 28 in their needle actuating position. Ring 12 has a toothed edge 18 with flared-out spaces 22 to receive arms 26 and an annular groove 24. Two covers 14 and 16 secured to ring 12 respectively hold the arms 26 and the selected jacks 28 in position. With covers 14 only in place and jacks in open position, selected jacks are flipped over either manually or by an indexing device after which the cover 16 is secured in position. The wheel is rotatably carried on a sleeve 44 which is secured to the knitting machine.
Patent GB-1315187-A (GB)
Title: Multi-chamber containers for inter-reacting substances for the production of ready-for-use dental preparations
IPC: A61C5/66
Filed: 1970-07-30
Abstract: 1315187 Dental appliances ETABS DENTAIR IVOCLAR 30 July 1970 [1 Aug 1969] 36937/70 Heading A5R [Also in Division B8] Two substances 5 and 7 which are to be held separate but intermixed for use, e.g. as a dental amalgam, are contained in chambers 1 and 3, the latter being in the form of a sleeve with an end wall 6 sealing one end and a movable ram or piston 4 with sealing rings 8 closing the other. Movement of the ram ruptures the weakened portion(s) of the end wall and forces substance 7 into contact with substance 5. Chamber 3 and its support member 2 are then removed and the mixture used. In modifications described (Figs. 1A, 2, 2A, B and C, 3, 3A and 3B, not shown), a further substance may be contained in a rupturable sac disposed adjacent the rupturable end wall and the chamber 1 may comprise a nozzle or other opening through which the mixture may be dispensed.
Patent GB-1130411-A (GB)
Title: Improvements in the manufacture of fibrous insulated electric cables
Inventor: HOWICK-BAKER EDWARD JOHN
IPC: H01B13/30
Filed: 1966-08-19
Abstract: 1,130,411. Making cables. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. 19 June, 1967 [19 Aug., 1966], No. 37318/66. Heading H1A. In a method of manufacturing electric cable, one or more conductors of a cable core 1 with fibrous insulation (e.g. paper) are continuously passed through a non-aqueous liquid seal 4 into a heated and evacuated drying enclosure 8 in part of which the cable core moves in a multi-turn helix having a diameter large compared with the diameter of the core and, without exposure to the atmosphere, the insulation is impregnated by passage through insulating impregnating material. In the embodiment, the core leaves the enclosure 8 through impregnating material in an exit seal 6 and then passes through two further quantities of impregnating material in a partitioned enclosure 10, in the portion 12 of which there is a temperature gradient to reduce the temperature of the impregnant to its freezing or ambient temperature. The enclosure 8 contains many mutually parallel spindles (22) (Figs. 3 and 4, not shown) arranged on a circle on which off-set cylindrical grooved rollers provide a multi-turn helical support for the core. The enclosure 10 contains, mounted on an end cover, a similar system of rollers on each side of the partition 13. The fibrous material may also include fabric tapes or rovings, glass fibres or synthetic fibres.
Patent GB-1126202-A (GB)
Title: Improvements in or relating to step attachments for toilet seats
IPC: A47K17/02
Filed: 1964-09-14
Abstract: 1,126,202. Closet footrests. A. J. SHOPLAND. 8 Sept., 1965 [14 Sept., 1964], No. 37526/64. Heading E1C.  An accessory for a lavatory pedestal comprises two legs 21 which pass on opposite sides thereof from the back to the front and are arranged with the ends 29 supported unattached on the floor and attached to the pedestal at the back and a front step member 42 supported by the legs 21. The step member 42 is so supported by the legs 21 that, when used, the step 46 is horizontal, and when retracted the step 46 is out of the way. The member 42 is attached to the legs 21 by pivots 41 and has at least one stop 45 to abut against one or both legs 21 at least, when it is in use. The stop(s) 45 is/are on (an) arm(s), extending rearwardly, weighted at points beyond the pivots 41 from the stop 46. In a modification the legs and step member are modified in shape. The legs 21 are attached to the pedestal by the same means as the seat.
Patent GB-868046-A (GB)
Title: Stock-bar feeding mechanism for automatic lathes
IPC: B23B13/00
Filed: 1959-11-05
Abstract: 868,046. Automatic lathes. USINES TORNOS, FABRIQUES DE MACHINES MOUTIER S.A. Nov. 5, 1959 [Nov. 6, 1958], No. 37532/59. Class 83 (3). An automatic lathe with a sliding headstock 3, Fig. 1, operated by cam and lever mechanism 8, 9, has an outboard support 23 for an indexible stock-bar magazine 25 from which bar is fed automatically to the machine spindle. The machine is provided with a centre-rest 20 for supporting the work and a " fanwise " arrangement of cam-operated turning and parting tools 17. Rotatable working-tools are provided in a turret-holder 5. The magazine 25 is rotated to bring new stock-bars into alignment with the spindle by a weight 23 and a ratchet device 32, Fig. 2, having teeth 46, 47, engaging teeth on a ring 51 provided on the end of the magazine. Each stock-bar holder of the latter is provided with a pusher 26 operating on the end of a stock-bar through a slot in the holder. The pushers are provided with two hook portions 38, 41, which are engaged by pin 40 on a coupling member 27a, 27b which is connected to an endless chain 28 driven by an electric motor 31, Fig. 1. As the coupling member passes from the top to the bottom run of the chain the coupling member tilts over and changes its connection from one hook to the other. After completion of a workpiece the headstock chuck opens and the headstock moves backwards the length of a workpiece before the chuck closes to begin a new feed movement. On reaching the end of the return movement, Fig. 2, the coupling pin 40 rides up a cam-piece to disengage it from the pusher just employed and further movement of the coupling as it passes around the chainwheel 30 depresses a lever 43 of the ratchet device 32 and the stock-drum indexes to a new stock-bar.
Patent GB-983742-A (GB)
Title: Improvements in or relating to nuclear reactor systems
Inventor: CHALLENDER RONALD SCOTT
IPC: G21C13/04
Filed: 1960-11-02
Abstract: 983, 742. Reactors. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. Oct. 30, 1961 [Nov. 2, 1960], No. 37741/60. Addition to 897,445. Heading G6C. In a gas cooled nuclear reactor, the spheroidal steel pressure vessel and heat exchangers are connected by coaxial ducts and have flexible mountings to prevent stressing of the ducts. The pressure vessel is suspended at its upper surface by temperature compensated struts and the heat exchanger is supported at its base by hangers which permit the lateral displacement of the exchanger upon expansion of the duct. The carbon dioxide cooling gas passes into the pressure vessel through the outer coaxial duct, round and through the moderator core before passing, in the reverse direction, through the fuel channels and out through the inner coaxial duct. As shown, Fig. 3, the pressure vessel 4 is suspended by the struts 9, 14 which are formed so as to maintain the vessel fixed on its vertical axis, by allowing for the different temperatures of 9 and 14. The heat exchanger shells 90 are suspended from the brackets 96 by the laminated hangers 95. Expansion of the ducts 5, 6 produces a lateral displacement of 90 degrees. The graphite core and reflector, 37, is supported on 46 which suspended, by rods 47, from the inner upper surface of the pressure vessel at points adjacent to 9. The carbon dioxide flows in through the outer duct 5, between vessel 4 and the thermal shield 53, through parallel paths 78 in the moderator and annular paths 41a formed between the graphite sleeve 41 and the walls of channels 29. Upward flow occurs through the sleeve 41, over the fuel 75 and out through the header 65, through apertures 66. Both the reactor and heat exchangers are housed within a steel containment vessel. Specifications 782,922, 788,902, 859,615 and French Specification 804,825 also are referred to.
Patent GB-350499-A (GB)
Title: Improvements in and relating to dyes and dyeing
IPC: D06P1/28
Filed: 1929-12-09
Abstract: Esters of reduced indanthrones are developed in substance or on the fibre (when applied by dyeing or printing processes) by the use of ferrous salts in conjunction with ferric salts in the presence of acid.  Mixtures of ferrous and ferric sulphates, ferrous and ferric chlorides, and ferrous sulphate and ferric chloride may be used, or the ferric salt may be replaced by an oxidizing agent, for example, a nitrite or persulphate, which oxidizes a portion of the ferrous salt to the ferric state.  In examples, (1) wool dyed with the disulphuric ester obtained by treating indanthrone with pyridine-sulphur trioxide in the presence of a metal and a tertiary base is developed in a bath containing ferrous and ferric sulphates and sulphuric acid, (2) cotton cloth padded with the tetrasulphuric ester of leucoindanthrone is developed in a bath containing ferrous sulphate and sulphuric acid to which sodium nitrite has been added; sodium chloride or sulphate may also be added to prevent bleeding of the colour, and instead of adding sodium nitrite, ferric sulphate may be used in preparing the bath, (3) ferric chloride is used instead of ferric sulphate in the processes of the preceding examples.
Patent GB-810694-A (GB)
Title: Improvements in photographic apparatus
IPC: G03B27/66
Filed: 1956-12-11
Abstract: 810,694. Process cameras. DACQUAY H. Dec. 11, 1956 [July 31, 1956], No. 37778/56. Class 98 (1) In a camera having the film compartment fixed to a rigid bed and objective and object carriages movable along the bed, a number of ruled screens are stored vertically above the optical axis and are displaceable in the direction of the axis to bring the desired screen into register with an extractor Whereby it can be transferred to a movable holder which positions it in front of the film. As shown, four screens 10 are retained in vertical grooves 11 in the side walls of a bottomless box 5 by the engagement of pins 12 with rails 54 fixed to the film compartment. Box 5 is movable along fixed rails 7 on rollers 6 by two pairs of linked bellcrank levers to position the appropriate screen at vertically movable sections of rails 14 which constitute extractors 15. Extractors 15 are slidden by chains 18 along fixed bars 16 to move pins 12 of the screen into grooves 17 of a movable holder 8. The screen is positioned in the optical axis relatively to the film, which is held on a plate by a suction arrangement, by linked bell-crank levers acting on holder 8. Keepers 19 are moved by compression springs 20 into the gaps left by extractors 15 in rails 14 and prevent box 5 from being moved while a screen is in use. The object and objective carriages may on run rollers in raceways on the bed and the objective carriage carries a notched bar co-operating with a pair of fingers on the object carriage. Two further notched bars (Figs. 1, 7, 8 and 9, not shown) are rigidly mounted on the bed and each carriage has a pair of fingers cooperating with one of them. The bars have staggered notches on their sides and the pairs of fingers are movable transversely to co-operate with a notch on either side (Fig. 6, not shown). The bars are callibrated in terms of magnification and reduction ratios and the movable bar co-operates with the object carriages only for ratios in and around unity.
Patent GB-369218-A (GB)
Title: Improvements in or relating to non-skid devices for use on wheel tyres
IPC: B60C27/06
Filed: 1930-12-15
Abstract: 369,218. Tyre chains. PARSONS' NON-SKID CO., Ltd. and BENNETT, N. K., 35, Macaulay Road, London. Dec. 15, 1930, No. 37786. [Class 144 (ii).] To prevent damage to twin tyres by transverse non-skid chains B, the ends of the chains located between the tyres are connected to the retaining- chain C<1> by hooks or straps H which extend across the zone F of possible contact between the tyres.
Patent GB-523275-A (GB)
Title: Improvements in or relating to piston ring units for internal combustion and like piston engines
IPC: F16J9/06
Filed: 1938-12-30
Abstract: 523,275. Piston packing rings. STERN, N. S. Dec. 30, 1938, No. 37814. [Class 122 (i)] An oil scraping ring consists of an annular flat ring 1 having pressed out fingers 2 which bear against the side walls of an annular groove in the piston or against rings 3, 4, in the groove. The tongues 2 may be pressed from the inner or outer edges of the ring andfrom each face. A number of such rings maybe fitted in a single piston groove as shown for example in Fig. 26. The rings may be welded or otherwise secured together.
Patent GB-628616-A (GB)
Title: Improvements in and relating to radial cylinder pumps
IPC: F04B1/053
Filed: 1946-12-24
Abstract: 628,616. Cylinder liners; stuffing-boxes. NEW YORK AIR BRAKE CO. Dec. 24, 1946, No. 37851. Convention date, Feb. 1. [Classes 122(i) and 122(v)] [Also in Group XXVIII] In a pump (see Group XXVIII) cylinders are formed by boring in a block 16, radial holes 64 and counterboring these holes at 65. Into the counterbore is fitted a removable liner 72 secured in position by a valve cage 76 and a snap ring 77, the liner being bored to take a piston 81. Inlet parts 74 are drilled in the wall of the liner. Sealing for a shaft 33 is provided by means of a rubbing collar device comprising a washer 57 bearing on the end face of the inner ring of a ball race 54 and carried by a flexible metal diaphragm 58 secured to an end cap 7 and forced against the ring 54 by a spring disc 61.
Patent GB-1141551-A (GB)
Title: A method of coating metallic filaments
IPC: C23C16/54
Filed: 1966-08-24
Abstract: 1,141,551. Coating filamentary substrates. DOW CORNING CORP. 24 Aug., 1966 [24 Jan., 1966], No. 37998/66. Heading C1A. [Also in Divisions C7 and H5] Filamentary substrates e.g. of quartz, ceramic or metal such as W are coated by passing the substrate through a vapour of a compound of the element to be deposited, establishing a glow discharge in the vapour between an electrode and the substrate to decompose the compound and deposit the required element. The materials deposited may be Si, B, SiC, boron silicides, B 4 C, Mo, Al and Ta. Boron trichloride or diborane is used for depositing B and SiC is deposited from methyltrichlorosilane, ethyltrichlorosilane, propyltrichlorosilane, trimethylmonochlorosilane, dimethyldichlorosilane, methylsilane, mixtures thereof and mixtures of or with silicon tetrachloride, trichlorosilane. As shown in Fig. 1, a filament 11 is passed through electrode 12 or alternatively the electrode may be moved. A D.C. power source has its negative terminal connected to 12 and its positive terminal to filament 11. The feed gas is fed into the electrode 12 and a glow discharge is created between the electrode and the filament. The process is preferably carried out in a vacuum of 1000 to 70 microns.
Patent GB-896246-A (GB)
Title: Semiconductor resistance elements and circuits utilizing them
IPC: H01L21/00
Filed: 1958-11-27
Abstract: 896,246. Electric selective signalling systems. WESTERN ELECTRIC CO. Inc. Nov. 27, 1958 [Dec. 3, 1957; April 10, 1958], No. 38257/58. Class 40(1). [Also in Group XXXVI] The invention relates to a semi-conductor diode device having a constant current characteristic over a range of voltage (see Group XXXVI). Fig. 13 shows a plurality of such devices 131-137 connected in a digital to analogue encoder. The devices are designed to have binary weighted " constant current " valves. Relay contacts 151 to 157 control the inputs and the output appears across summing resistor 142. Within the specified limits, the individual currents of the devices are independent of the voltage across resistor 142. In Fig. 15, the devices have identical " constant current " values, resistors 221 to 227 being used to provide binary weighting. The temperature coefficients of these resistors may match those of the devices.
Patent GB-1148803-A (GB)
Title: Improvements in or relating to a continuous metal casting machine for the production of ingots of square or substantially square cross-section
IPC: B22D11/049
Filed: 1966-08-26
Abstract: 1,148,803. Continuous casting-machines. CENTRALNY NAUCHNO ISSLEDOVATELSKY INSTITUT TCHORNOY METALLOURGIY I.P. BARDINE. 26 Aug., 1966 [27 April, 1966], No. 38396/66. Heading B3F. A square or substantially square sectioned mould for a continuous casting machine has slots 2 provided at its corners to enable cooling liquid, e.g. water, to be sprayed from conduits 3, 5 and spray units 4 on to the corners of the casting produced.
Patent GB-1442935-A (GB)
Title: Cutting tool
IPC: B26B27/00
Filed: 1974-09-05
Abstract: 1442935 Cutting tool for cable sheath; cutting tools J KRAMPE 5 Sept 1974 [12 Sept 1973] 38785/74 Headings B4W and B4B [Also in Division H2] A cutting tool for cutting the sheath of a sheathed cable 24 comprises an elongate bar 1 providing in use of the tool a handle and guide surface against which the cable 24 can be manually aligned, a blade 4, 5 projecting laterally outwardly from an end of said bar, a guide shoe 6 disposed at the outer end of said blade said guide shoe being shaped and disposed to be introduced between the core and sheath of a cable aligned generally with the guide surface of the bar so as to maintain the core of the cable outwardly of the cutting region of said blade and a lever 9 mounted on said bar for pivotal movement and for limited sliding movement of said pivot at an angle to said bar said lever carrying a toothed cable feed wheel adapted to be brought into engagement with the outer surface of the cable casing by said limited sliding movement and to advance the cable relative to the blade to cut the sheath thereof longitudinally by pivotal movement of the lever. The blade 4, 5, is adjustable in the extent to which it projects from the bar 1 to accommodate different sizes of cable. A blade 16 may be pivotally mounted at the other end of the bar 1.
Patent GB-1085687-A (GB)
Title: Metal-containing reactive azo dyestuffs
Inventor: GERLACH KLAUS
IPC: C09B62/012
Filed: 1966-08-31
Abstract: The invention comprises azo dyestuffs which in the form of the free acid correspond to the formula <FORM:1085687/C4-C5/1> where Me is a metal and X is an organic radical with at least one fibre reactive group capable of reacting with the hydroxyl or amide groups of fibre materials.  Suitable metals are Cr, Co, Ni and Cu.  The compounds are prepared either by reacting a compound of the above formula in which the -NHX radical is replaced by -NH2 with an organic compound having at least one fibre reactive group, or by first forming the metal-free azo dyestuff and then metallizing.  1 - Diazo - 2 - hydroxy - 6 - nitronaphthalene 4,7-disulphonic acid is coupled with 1-amino-8 - hydroxynaphthalene - 2,4 - disulphonic acid and the nitro group subsequently reduced to the amino group.
Patent GB-1244488-A (GB)
Title: Method and apparatus for the continuously advancing lateral alignment of a railway track
IPC: E01B33/02
Filed: 1968-08-14
Abstract: 1,244,488. Aligning railway track. F. PLASSER. 14 Aug., 1968 [14 Aug., 1967], No. 38879/68. Heading B7N. In a continuously progressing apparatus for aligning railway track in the horizontal plane, two or more lining units are operated one behind the other each controlled by a reference system and preferably including a pair of lining tools. The apparatus 1 includes three lining units 5, 6 and 7, three reference lines, formed of rods or wires, mounted on trolleys 8, 10, 12 and 15 for controlling the operation of lining units 5 and 6 and a reference system including the chords 19, which may be a light beam, and 20 for controlling the operation of the last lining unit 7.
Patent GB-901430-A (GB)
Title: Apparatus for use in footwear manufacture
Inventor: PEHRSON MANFRED ERIC
IPC: A43D43/06
Filed: 1957-12-13
Abstract: Mechanism for supporting and turning a footwear sole so that material, e.g. cement or preformed sewing ribs, may be laid progressively along a margin of one face thereof by leading the material on to the sole from a fixed part as the sole is turned, comprises a rotatable sole supporting member 12 having a supporting face or faces (provided by an annular or castellated rib 13, as shown) which contact the sole in an annular zone, edge-grinding means 19 situated to engage the sole edge when the latter projects <PICT:0901430/III/1> <PICT:0901430/III/2> beyond the annular zone at the region of the guiding means, a marginal supporting member 20 providing a sole-supporting face or faces coplaner with those of the annular support member, and reversely rotatable with respect thereto, and means (the roller 11) which presses the marginal part of the sole against the marginal supporting member and is movable in conjunction with that member for moving the sole in its own plane with its edge maintained in contact with the edge guiding means.  In the form shown, the supporting member 12 is a rotatable disc, and is urged upwards by a spring 16, and an edge guide roll 19, a disc-form marginal supporting member 20 and a loose collar 21 are mounted on a spindle 18 on a bracket 17, which is mounted in the machine for full vertical movement.  A further edge gauge roll 23 may be provided on a spindle 22.  Adhesive may be applied to the margin by a discharge nozzle 24 mounted to ride on the surface of the sole and provided with a row of discharge ports.
Patent GB-1061609-A (GB)
Title: Improvements in and relating to cupola furnaces
Inventor: BONGARTZ WILHELM
IPC: F27B1/02
Filed: 1965-09-13
Abstract: 1,061,609. Discharging cupola furnaces. GESELLSCHAFT FUR HUTTENWERKSANLAGEN m.b.H. Sept. 13, 1965, No. 38923/65. Heading F4B. A continuously tapping, hot blast cupola comprises a forehearth 3 fed by a tapping conduit 2 extending from the sloping cupola hearth, said forehearth having a syphon 8, 9 discharging slag offset through an angle of 90 degrees from a syphon 6, 7 discharging iron, its overflow sill 9<SP>1</SP> lying above the iron outlet 7 and below the discharge end of conduit 2. The firehearth has a pressure-tight cover 10 and a discharge in its base.
Patent GB-351435-A (GB)
Title: A new or improved signalling system particularly for automobile and other vehicles
IPC: B60Q1/34
Filed: 1929-12-19
Abstract: 351,435. Road-traffic signals on vehicles. JURY, P. C., 70, Rue d'Avron, Paris. Dec. 19, 1929, No. 38932. Convention date, Dec. 20, 1928. Void [Published under Sect. 91 of the Acts]. [Class 118 (ii).] Front and rear manoeuvre-signalling arrows 1, 1a are actuated by a handle 3 turning flexible shafts 2, 2a which may be connected by universal joints 7, 8, or by chain-and-sprocket gears, or by a system of bevel gears. The arrow 1 may move behind the registration plate 5 and in front of a coloured screen.