baber/WOPTO huggingface dataset:
Patent GB-1505604-A (GB)
Title: Electronbombardment welding machines
IPC: H01J37/18
Filed: 1976-08-11
Abstract: 1505604 Electron beam apparatus COMMISSARIAT A L'ENERGIE ATOMIQUE 11 Aug 1976 [26 Aug 1975] 33431/76 Heading H1D In an electron bombardment welding machine, a vacuum isolation valve 1 mounted between the gun chamber 2 and the welding chamber 3, to allow opening of the latter while maintaining the vacuum in the former, comprises a body 10 provided with a chamber 15 in which a member 17 is slidable by hydraulic or pneumatic means to move a passage 25 in the member into or out of alignment with the opposed passages 12 and 36 leading to the work and gun chambers respectively. A further bore (13, Fig. 2, not shown) in the body 10, directed perpendicular to the paper in Fig. 1, intersecting the electron beam axis YY<1>, and leading to a window (43, Fig. 2) permits a 45 degree metal mirror 26 to reflect light from the workpiece in the closed position of the valve shown in Fig. 1, while a further similar mirror (27, Fig. 3, not shown) offset slightly from the passage 25, performs the same function when the valve is open. Seating member 35, in which the passage 36 is formed, is urged by spring 40 against a flat surface 24a formed on the member 17, to maintain the seal therewith.
Patent GB-1373557-A (GB)
Title: Apparatus for the manufacture of glass
IPC: C03B18/16
Filed: 1972-07-18
Abstract: 1373557 Float glass tank VETRERIA DI VERNANTE SpA 18 July 1972 [23 July 1971] 33449/72 Heading C1M The outlet opening 4 of a float glass tank 1 is bounded by a pair of parallel conduits 6, 7 one above and one below the opening 4, each conduit being in use connected to a supply of non- oxidizing gas and at least the mutually facing side of the conduits comprising a flexible material at least a part 14 of which is porous to the gas. As shown (Fig. 1), each conduit may comprise a channel section 8 secured to the tank and having edges 13 across which a flexible fabric strip is connected. Alternatively (Fig. 3) each conduit comprises a semi-circular metal section 20 within which is accommodated a flexible fabric tube 21 which projects from the section 20. The flexible material is a ceramic fibre material such as asbestos or silica. Obstructions may be removed from between the conduits by applying a vacuum thereto. Each strip or tube is rendered imprevious to gases except for a central area 14, 24 by the application of a paste of graphite and sodium silicate or molybdenum disulphide and silicone wax or grease.
Patent GB-1159472-A (GB)
Title: Continuous Mixing Method and apparatus
IPC: B01F27/94
Filed: 1966-07-26
Abstract: 1,159,472. Continuous discharge mixing. WACKER CHEMIE G.m.b.H. 26 July, 1966 [26 July, 1965], No. 33506/66. Heading B1C. In a mixing method and apparatus for viscous liquids there are a coaxial cylindrical stator and rotor both of which have axially, radially or helically arranged studs, or studs in any combination of these configurations, or axially, radially or helically arranged ribs, or a combination of such ribs or studs (see Figs. 1-12, not shown), there being a gap of annular cross-section between the highest surfaces of the stator and rotor. Fig. 13 shows a stator 1 having axial ribs 2 and a rotor 3 with studs 4 arranged helically at two different pitch angles, there being an annular gap 5 and an unrestricted outlet. There are inlets 6, 9 for the mixture constituents, and heat exchange chambers 7, 15 for the stator and rotor respectively. The method of the invention may be carried out under reduced pressure or in a pipeline. Examples relate to vinyl compounds.
Patent GB-1244755-A (GB)
Title: Improvements in and/or relating to cigarette papers and to cigarettes manufactured with said papers
Inventor: SAINT-PASTOU JOSEPH
IPC: A24D1/12
Filed: 1968-11-03
Abstract: 1,244,755. Cigarettes. J. SAINT-PASTOLL. 3 Nov., 1968 [3 Nov., 1967; 19 Dec., 1967; 18 Jan., 1968], No. 33548/68. Addition to 1,170,817. Heading A2C. [Also in Division B6] In order to retain the ash of a cigarette whilst smoking, the paper during manufacture is printed with a flame-proof substance in open-network design. The substance may comprise a mixture of sodium silicate, talc or micronized mica or calcium carbonate, glucose treated gum arabic or paraffin, titanium white or other pigment and a solvent such as demineralized water.
Patent GB-1241825-A (GB)
Title: Signal generating apparatus
Inventor: STITES FRANCIS H
IPC: B61L25/04
Filed: 1968-07-15
Abstract: 1,241,825. Label scanning system. GTE SYLVANIA Inc. 15 July, 1968 [20 July, 1967], No. 33684/68. Heading B7N. [Also in Division G1] The retro-reflected label scanning arrangement described in Specification 964,570 is modified to read labels at different heights on different types of railway wagon by arranging that each drum mounted mirror element 32 when scanning the beam across the label passes through a plane parallel to the label 2. To avoid specular reflection from the label the beam is directed on to the scanning element along a path which extends in a plane A forming an angle # other than zero with the normal to the plane parallel to the label.
Patent GB-1398049-A (GB)
Title: Process and a device for the exact zero-setting of weighing machines providing a digital indication of the weight of material weighted
IPC: G01G23/37
Filed: 1973-07-16
Abstract: 1398049 Zero adjustment of digital weighing machines W KRAUT [trading as BIZERBAWERKE WILHELM KRAUT K G] 16 July 1973 [26 July 1972] 33689/73 Headings G1N and G1W In a digital weighing machine whose indicator shows e.g. 1 gram units so that zero adjustment is normally accurate to  ¢ gram, the balance beam is loaded with an ancillary weight of ¢ gram and the taring adjusted so that the indicated weight is indeterminately 0 or 1 gram. When the ancillary weight is removed, the zero has been accurately adjusted. As shown, a balance beam 6 is loaded by a spring 8 whose tension is adjusted by rotation of a hollow screw 13 producing lateral displacement of a nut 12, thereby adjusting the zero of the machine By pushing on a knob 24 the beam 6 is relieved of an ancillary weight 17 of ¢ gram. The knob 24 engages with the screw 13 and both are rotated to adjust the indicated weight to the indeterminate 0 or -1 gram value. The knob is then released to be restored by a spring 23 to its normal position, with the weight 17 resting on a shoulder 16 and adding to the load on the beam 6. The zero of the machine has now been accurately adjusted. The ancillary weight may alternatively be added to the balance beam for zero adjustment, or may be replaced by an equivalent magnetic force.
Patent GB-811041-A (GB)
Title: Improvements in or relating to grinding wheel dressers
Inventor: MORRIS FREDERICK ALFRED
IPC: B24B53/14
Filed: 1956-11-06
Abstract: 811,041. Dressing grinding wheels. MORRIS (ABRASIVE CUTTERS) Ltd., F. A. Dec. 27, 1957 [Nov. 6, 1956], No. 33790/56. Class 60. A grinding wheel dresser comprises a handle 1, Fig. 1, with side cheeks 6 at one end having upwardly-facing grooves 9 for the reception of bushes 16 on a pivot pin 18 carrying cutter discs 21 rotatable between the cheeks, a cover 2 with inverted side cheeks 7 and downwardlyfacing grooves 10 to fit over the bushes 16, means to prevent endwise removal of the pin, and means to secure the cover to the handle with the cheeks and grooves in register. The handle 1, which is made of a ductile material such as pressure-cast aluminium, is, at one end, curved and waved to provide a hand grip and at the other end, formed with the side cheeks 6 and lugs for supporting the dresser on the work-rest of a grinding machine. The cover 2 is secured to the handle by a screw 14 and wing nut 12 ; the bushes 16 are of hexagonal, square or other non-circular section and of such a size that the clamping of the cover prevents their rotation in the grooves, which may be semi-circular or of corresponding shape to the bushes. The bushes are formed with blind holes to prevent axial movement of the pin 18 and are themselves prevented from axial movement by wings 11 on the cover or handle or by flanges on their inner ends. Small cutter discs may fit directly onto the pin 18 or larger discs fit a sleeve which, in turn, fits the pin, end plates then preventing axial movement of the discs. In another embodiment, the grooves 33, Fig. 9, for receiving the bushes are formed in plates 34, 35 which are disposed between the handle and cover and located in position by bent portions 37 engaging slots in the handle and cover. This arrangement may be modified by locating the grooves in the plates beyond the end of the cheeks, and using the screw 14 to mount the plates in position.
Patent GB-480903-A (GB)
Title: Improvements in machines for hardening gear teeth
IPC: C21D9/32
Filed: 1936-12-10
Abstract: 480,903. Hardening gear teeth. SYKES, W. E. Dec. 10, 1936, No. 33932. Convention date, Dec. 10, 1935. [Class 72] In a machine for hardening the teeth of gear wheels by the local application of heat, the gear wheel is mounted so as to be rotatable freely and a heating element, such as a blow-pipe torch, is arranged to be moved in a predetermined path, a device being arranged to be moved by the means moving the heating element and to engage a tooth of the wheel so as to rotate the latter and affect the presentation of successive untreated portions of a gear tooth to the heating element. The axle 21 of the gear wheel 22 is supported so as to be freely rotatable on rollers 18 mounted on pedestals 15. Burners 91 are mounted on the ends of rods 75 adjustably supported by a roller link 73 on a rod 72 slidably mounted on parts 71 carried by saddles 50, 51 which are provided with rollers 58 and 57 to run on the top and bottom of a carriage 25 so that they can be traversed across the tooth to be treated. The burners are also supported by a collar 77 formed to receive a pin 79 disposed in the eye of a turn buckle 82 the other end of which is provided with an eye engaging a pin 84 projecting from a boss integral with the saddle 51. The saddles 50, 51 are provided with right- and left-handed nuts 60, 61 which are threaded on right- and left-handed screws 62 extending longitudinally of the carriage 25 and driven by a motor. In order, when treating, e.g. the teeth of helical or herring-bone gears, the wheel and therefore the tooth being treated is moved, so that during the traversing movement of the burner the tooth surface is moved in line with the burner, by the engagement of a tapered roller 101 rotatably mounted on a stud 102 secured to a boss 103 integral with the plate 54 of the saddle 51. To adjust the burners in position before the traversing movement the carriage 25 is moved along guide rails 13, 14, through the medium of a shaft 31 rotatably mounted in the end walls of the carriage and provided with helical gears 33 which mesh with gears 38 threaded to receive a screw 37, the gears 38 being provided with hubs 34 which are rotatably mounted in bearings 35 formed in the end wall 27 of the carriage. When, by turning the shaft 31, the carriage 25 is moved to the desired position, it is locked in position by the engagement with the underside of the gear wheel of rollers 49 carried in hubs 47 projecting from collars 45 adjustably secured on a fixed shaft 43 mounted on bosses 42 in the ends of the side walls 27. When plane spur wheel is being treated the wheel is not influenced by the finger 101.
Patent GB-486875-A (GB)
Title: Improvements in and relating to sieves or straining devices
IPC: A23G3/20
Filed: 1936-12-10
Abstract: 486,875. Coating bakers' and confectioners' goods. PRESCOTT, W. E., BAKER PERKINS, Ltd., and ANCIENS ETABLISSEMENTS A. SAVY, JEANJEAN, & CIE. Dec. 10, 1936, No. 33969. [Class 28 (i)] [Also in Group I] A sieve or straining appliance suitable for use in connection with chocolate-coating machines comprises a straining surface adapted to lie substantially horizontal, the surface being of uneven form and having a plurality of freelyopen slits or elongated apertures, located at the highest level of the surface, and through which the material being strained may freely pass. In the construction shown, an open-bottomed tray 10 is provided with parallel trough members 11 secured at their ends to the walls of the tray. The members 11 which are formed of perforated metal and have a base portion 11a and sides 11b, are spaced apart to form apertures 12, so that chocolate which does not pass through the perforated troughs may now through the apertures 12. The tray is detachably secured by catches 18 to an outer frame 16 which is constrained to reciprocate with rails 24 connected to an eccentric 30, so that a transverse shaking motion is transmitted to the sieve. In a modification the series of troughs are formed from a single piece of material. In further arrangements the troughs may be of wide V- or U-formation or of semicircular cross-section.
Patent GB-1151025-A (GB)
Title: Contamination-Free Packages.
IPC: A61B19/02
Filed: 1967-07-24
Abstract: 1,151,025. Sterile packages. PARKE, DAVIS & CO. 24 July, 1967 [18 Aug., 1966], No. 33977/67. Heading B8C. A wrapper for sterile surgical equipment, e.g. gloves is in the form of a twin folder, each unit of which comprises two main panels 12 having a side extension 16a, 16b and a " dispensing " flap 17 extending across both the panels. An article support 21 over which the article 25 may be placed extends from the lower edge of one panel 12. In each unit, the article is placed on the support which is folded on to the adjacent panel 12 and the other panel 12 is folded over it, extension 16a, 16b being folded back on to the outer panel 12 and the doubled flap 17 folded down. The extensions 16a, 16b of each unit are thus face to face. Finally, the units are folded on to each other, the whole being sealed in an envelope and sterilized. In opening, the package is removed from the envelope, the units unfolded and extensions 16a and 16b raised, unfolding the panels 12 and flaps 17, the latter providing a sterile margin across which the contained article may be spilled on to a sterile working area.
Patent GB-1511875-A (GB)
Title: Method relating to animated cartoon characters
IPC: A63J19/00
Filed: 1975-08-15
Abstract: 1511875 Television ANIFORMS Inc 15 Aug 1975 [20 Jan 1975] 34092/75 Heading H4F Television animated cartoon apparatus as described in Specification 946,284 is modified by the addition of a non-light-reflecting, opaque, flexible membrane 24 covering at least part of the area within the outline material 11 so that, when the apparatus is employed to produce a composite picture by combining the cartoon signal with a background signal, the background does not show within the cartoon figure.
Patent GB-521631-A (GB)
Title: Improvements in and relating to driving mechanisms for potters' jiggers and the like
IPC: B28B1/02
Filed: 1938-11-24
Abstract: 521,631. Potters' lathes. BOULTON, Ltd., W., and FARR, C. Nov. 24, 1938, Nos. 34132/38 and 3076/39. [Class 87 (i)] [Also in Group XXIV] Driving mechanism for potters' jiggers, 15, Fig. i, and other similar apparatus such as batting- and dish-making machines, comprises a power operated wheel such as 23 mounted on a vertical axis and placed in frictional engagement directly or by a coupler 34, Fig. 5, with a jigger driving wheel 24 also on a vertical arm by means of a push rod 22, Fig. 2, which acts to disconnect the drive on the release of the rod &c. The power operated wheel is preferably mounted on the spindle of an electric motor 19, Fig. 1, which is pivoted as at 17, Fig. 2. In a modification, Fig. 5, the motor is fixed and, the coupler 34 is used, operated by a spring loaded push rod 22 connected to a bell crank 33 pivoted at 32. A spring-cushioning device, Fig. 3, may be incorporated in the push rod 22. When the front end of the rod is actuated the rod slides through a collar 26 compressing springs 29, 30. When the spring 30 is sufficiently compressed it operates the 'rod 22b. Where variable-speed drive is required, a lever 33, Fig. 5, is made vertically slidable and the friction member 34 is bevelled as well as the jigger driving member.
Patent GB-1047069-A (GB)
Title: Blends of polyamide resins with acrylic resins
IPC: C08L77/00
Filed: 1964-08-20
Abstract: Thermoplastic compositions suitable for moulding comprise a blend of from 1 to 99% by weight of a polyamide thermoplastic resin and from 99 to 1% by weight of a copolymer of at least one alkyl methacrylate and an ethylenically unsaturated carboxylic acid in a proportion of 1 to 20 equivalents of the acid to 100 moles of the total monomers in the copolymer.  The copolymer may also comprise a small proportion of another monomer, e.g. alkyl acrylates, styrene, a -methylstyrene, p-phenylstyrene, butadiene, isoprene, vinyl acetate and butyrate, vinyl alkyl ethers, isobutylene, trichloroethylene, vinyl chloride and ethylenically unsaturated polyesters.  Specified acid monomers containing 3-20 carbon atoms are acrylic, methacrylic, ethacrylic, itaconic, maleic and fumaric acids, methyl hydrogen maleate and ethyl hydrogen fumarate.  The polyamide may be derived from various dibasic acids and diamines (many examples are given) including cyclic compounds and amino-carboxylic acids or their cyclic lactams; preferred polyamides are polyhexamethylene adipamide, polyhexamethylene sebacamide, polycaprolactam and copolymers such as 66/610 nylon and 66/6 nylon of M.W. at least 2000.  The compositions may include antioxidants, thermal stabilizers, pigments and 10-50% fillers, e.g. asbestos and glass fibres.  In examples, methyl methacrylateethyl acrylate-methacrylic acid and methyl methacrylate-methacrylic acid copolymers, prepared from the appropriate monomers in aqueous dispersion using azobis-isobutyronitrile as catalyst and in the presence of n-butyl mercaptan as a telogen, are blended with various nylon polymers.
Patent GB-605178-A (GB)
Title: Improvements in pulse-communication systems
IPC: H03M1/00
Filed: 1945-12-17
Abstract: 605,178. Pulse modulation. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. Dec. 17, 1945, No. 34177. Convention date, Jan. 8, 1944. [Class 40 (v)] In a pulse communication system, modulation is effected by varying the number of pulses transmitted within periodic intervals, without varying the spacing between successive pulses transmitted during said interval or any other characteristic of the pulses. In one embodiment a pulse generator 10, Fig. 4, feeds rectangular D.C. pulses of constant recurrence frequency, phase, amplitude and duration to one signal grid of a keying valve 11. Another signal grid is biassed by the anode current of a control valve 12 flowing in resistance R. When valve 12 is conducting, valve 11 is cut-off and no pulses pass to the transmitter 16 from its anode circuit. When valve 12 is cut-off, valve 11 can conduct to pass on pulses. The output from a saw-tooth generator 14 is combined with the audio modulating signal from amplifier 15 to control the conductivity of valve 12, the fraction of the negative-going saw-tooth cycle during which it is cut-off, being determined by the modulating voltage. In the example described, the pulse recurrence frequency of generator 10 is 36 Kc./s. and the frequency of the saw-tooth generator is 6 Kc./s. For ' the condition of no modulation, three pulses are transmitted for each cycle of the saw-tooth generator, six being transmitted for maximum positive and zero for maximum negative modulation. At the receiver, clipping circuits limit the pulses between two levels to remove noise on and between them and they are restored to constant width and phase by a gating circuit synchronized by the incoming pulses and having a pass period less than the received pulse duration. The resultant pulse train is fed to the signal reproducing device through a low-pass filter to remove pulsefrequency components.
Patent GB-1478668-A (GB)
Title: Device supplying impulses to elements of the elctroluminescent display of a time piece
IPC: H05B44/00
Filed: 1974-08-23
Abstract: 1478668 Electronic timepieces EBAUCHES SA 23 Aug 1974 [23 Aug 1973] 34227/74 Heading G3T [Also in Division G5] Pulses are applied to e.1. display elements of a timepiece by discharging a capacitor through the element. A L.E.D. 5 is energized by current from capacitors 1, 2 alternately discharging via transistors 3, 4 driven by squarewave pulse trains A, B, 180 degrees out of phase. In another embodiment the display comprises two figure of eight arrays of L.E.D.s a-g, p. Anodes of corresponding L.E.Ds are connected and supplied with current by capacitors 1, 2 via control transistors 21, 28. Cathodes of each array are inter-connected and controlled by transistors 29, 30 which are operated sequentially. Pulses are applied sequentially to transistors 21, 28 except when an L.E.D. is not to be energized. Thus a pulse from capacitor 1 is applied to L.E.D. <SP>a</SP>F, then a pulse from capacitor 2 is applied to L.E.D. bF et seq. Current is supplied to each capacitor via two transistor pairs 8, 9, 12, 13; 10, 11, 14, 15 and a resistor network which includes a photoresistor to increase current in high ambient light conditions.
Patent GB-1091743-A (GB)
Title: Ignition of gas burners
Inventor: EDKINS PETER GEORGE
IPC: F24C3/10
Filed: 1965-08-10
Abstract: 1,091,743. Lighting gas burners. PARKINSON COWAN Ltd. June 20, 1966 [Aug. 10, 1965], No. 34259/65. Heading F4F. Burner ignition apparatus for igniting burners 2 of a cooker oven which project through oven wall 4 comprises an arcuate deflector of semicircular cross section which during ignition extends through a hole in wall 4 and deflects gas from nozzle 2 to a platinum catalyst igniter 10 actuated behind wall 4. The deflector in its inoperative position is urged by a leaf spring 5, to which it is riveted, to lie wholly behind wall 4 with its outer end lying flush with the wall. The deflector is moved to its operative position by a push rod 8 which co-operates to complete the igniter circuit at 9, 11.
Patent GB-949537-A (GB)
Title: Improvements in or relating to drive mechanisms for starter motors
IPC: F02N15/00
Filed: 1962-09-07
Abstract: 949,537. Motor driving arrangements. ROBERT BOSCH G.m.b.H. Sept. 7, 1962 [Sept. 9, 1961], No. 34358/62. Heading H2A. [Also in Division F1] In an engine starter drive (see also Division F1) a non-rotatable member 26 on disengagement of the pinion and the flywheel is adapted to brake the motor armature by bearing against the winding head 38 of the armature. The winding head may be coated with a plastic resinous material The coating may be cast in position.
Patent GB-1224347-A (GB)
Title: Alkylene oxide/carbon sulphide reactions
Inventor: LEBRASSEUR GENEVIEVE
IPC: C07D339/06
Filed: 1968-07-18
Abstract: 1,224,347. Alkylene and cycloalkylene episulphides. ETHYLENE-PLASTIQUE S.A. 18 July, 1968 [27 July, 1967; 1 July, 1968], No. 34385/68. Heading C2C. An alkylene or cycloalkylene episulphide is prepared by reacting an alkylene or cycloalkylene oxide of formula respectively, in which R is a saturated aliphatic hydrocarbon radical containing up to 6 carbon atoms with carbon disulphide or carbon oxysulphide at a temperature less than 70‹ C., firstly in the presence of hydrated lithium chloride and/or bromide as a first catalyst and secondly in the presence of the hydrated lithium chloride and/or bromide and additionally ether iodine, an alkyl iodide or an alkyl sulphonium halide resin as a second catalyst. Specified oxides are ethylene, propylene, butylene and cyclohexene oxides, while the reaction may take place in the presence of an aprotic solvent in which the catalysts are dissolved. The solvent preferably has a dielectric constant greater than 3 at 25‹ C., e.g. tetrahydrofuran.