baber/WOPTO huggingface dataset:
Patent GB-818178-A (GB)
Title: Improvements relating to the manufacture of printed electrical circuits or components
Inventor: ASHWORTH FRED
IPC: H05K3/04
Filed: 1956-03-14
Abstract: A printed circuit or circuit component is made by curing a flexible silicone-varnish impregnated glass cloth, printing thereon a negative of the required circuit or component, vacuum-depositing a layer of conductive, semi-conductive or resistive material all over the printed and exposed areas of the glass cloth, and dissolving the printing and superimposed material so as to leave the required pattern of material bonded to the glass cloth.  The curing is effected by heating at 350 DEG C. for at least one hour, and the printing may be carried out by a rotary lithographic process using printers' ink, or by screen printing or a letterpress technique. Conductive materials which may be deposited are silver, copper, aluminium and nickel-chromium. The vacuum-deposition may be effected by evaporation from a molybdenum or tungsten filament or from a crucible heated by radio-frequency induction.  The production of grids, inductances and capacitors is disclosed.  Specification 794,971 [Group XXXVI] is referred to in the Provisional Specification.
Patent GB-1211943-A (GB)
Title: Improvements in or relating to tyre vulcanising devices
IPC: B29D30/06
Filed: 1968-02-19
Abstract: 1,211,943. Moulding tyres. CONTINENTAL GUMMI-WERKE A.G. 19 Feb., 1968 [2 March, 1967], No. 8010/68. Heading B5A. The lower part 1 of a tyre vulcanizing press has a central opening to which is attached a container 6 for an inflatable bag 8 which is forced into a tyre blank 13 when pressure medium is supplied to the container at 9. The bag has a centering member in the form of a recess 11 which is engaged by the correspondingly shaped end of a vertically slidable rod 18 depending from a tyre blank loader, when the loader has placed a tyre blank on the part 1. As the bag is forced into the blank the rod is urged upwards against a force provided by a cylinder 19 located between the rod and a plate 14 carrying pivotally mounted tyre gripper arms 15. When the bag is in position within the blank the loader is swung about a column 17 to receive a further blank, the upper part 2 of the press is lowered, the recess 11 engages a projection 21 and vulcanization is effected.
Patent GB-609457-A (GB)
Title: Improvements relating to ear-rings
IPC: A44C7/00
Filed: 1946-03-15
Abstract: 609,457. Earrings. MANSELL, F. A. March 15, 1946, No. 8052. [Class 43] An earring is held on the ear by suction. The device, to which an ornament is attached, comprises a U-shaped piece made entirely of rubber or other resilient non-metallic material, the arms of the U having elliptical-shaped depressions C to provide the suction action where they grip the ear.
Patent GB-960523-A (GB)
Title: Improvements in carburettors in internal combustion engines
Inventor: MENNESSON ANDRE LOUIS
IPC: F02M1/00
Filed: 1962-03-01
Abstract: 960,523. Spray carburetters. SOC. INDUSTRIELLE DE BREVETS ET D'ETUDES. March 1, 1962 [May 9, 1961], No. 8055/62. Heading F1B. A downdraught carburetter has a throttle valve section 39 formed separately from the main body section 3 and secured by long studs or bolts 42 bearing on the manifold 41 and main body section 3. The throttle section 39 is provided with a cavity 44 through which a heating fluid such as air, exhaust gases, or hot water may be passed. The main part 3 includes the Venturi and float chamber and the axis x-x of the main fuel passage 11 is at the same inclination as the generator y-y of the Venturi throat. The main casing 3 may be of zinc and the throttle section 39 of stronger material such as cast iron, bronze or aluminium.
Patent GB-398267-A (GB)
Title: Improvements in and relating to door locks
IPC: E05B65/22
Filed: 1932-03-18
Abstract: 398,267. Latches. PARKES, S. R., Pretoria Works, New Road, Willenhall, Staffordshire. March 18, 1932, No. 8097. [Class 44.] A latch bolt b, withdrawn by a follower l which is operated by a handle spindle f or by a handle extension k, is locked by a slidably and pivotally mounted spring catch n, the end of which engages between the follower and a stop r on the casing. In the unlocking position, the catch rests against a stop y and frictionally engages the follower to prevent rattling. The catch n may be operated by an extension s or by a key engaging with a hole in its pivot pin m. Specifications 325,704, [Class 44, Fastenings, Lock &c.], and 346,818 are referred to.
Patent GB-303303-A (GB)
Title: Improvements in and relating to steam generators
IPC: F22B37/28
Filed: 1928-03-16
Abstract: 303,303. Stirling Boiler Co., Ltd., and Noble, E. E. March 16. 1928. Addition to 250,029. Partitions and baffles in water space; priming, preventing.-One or more baffle plates A, Fig. 1, and a deflector B fitted in a boiler steam drum as described in the parent Specification are arranged over substantially all the tubes D delivering steam to the drum. The elbow tubes G, Fig. 3, delivering steam from screen tubes are placed between two oppositely inclined baffle plates arranged over the ends of the main steam generating tubes F.
Patent GB-391299-A (GB)
Title: Improvements in and relating to the waterproofing of sheets of cellulosic material
IPC: D21H19/12
Filed: 1932-03-19
Abstract: Coating-compositions for sheets of cellulose material such as woven or knitted textiles, paper, cellulose derivatives, and regenerated cellulose comprise nitrocellulose, diamethyl phthalate, a wax such as paraffin or ceresin wax, and a solvent such as butyl acetate. Plasticizers such as triphenyl phosphate may be added.
Patent GB-558383-A (GB)
Title: Moulded concrete and like blocks and reinforcing units for the same
IPC: E04B2/30
Filed: 1942-06-16
Abstract: 558,383. Moulds for concrete blocks. WILSON, J. M. June 16, 1942, No. 8221. [Class 87 (ii)] [Also in Group X] A building-block for walls with continuous air passages is formed of concrete &c. slabs 20, 21 connected together in spaced relation by inclined concrete &c. bars 22 reinforced with metal rods 23 projecting into the slabs to a less extent than the thickness thereof. Fig. 4 shows a mould for making the block, comprising base 30, sides 32, 34 and sectional tray 36A, 36B supportable on ledges 35. A corner block, Fig. 7, consists of angled and flat slabs 40, 41 connected by bars 42, 43 and a mould for making it comprises (Fig. 8) a base 30, sides 32, 34, sectional tray 36A, 36B and an upright section 36C adapted to be hung on the section 36A.
Patent GB-546846-A (GB)
Title: Improvements in cathode-ray tubes
IPC: H01J29/94
Filed: 1941-07-01
Abstract: 546,846. Cathode-ray tubes. HAZELTINE CORPORATION. July 1, 1941, No. 8280. Convention date, July 25, 1940. [Class 39 (i)] In a cathode ray tube the thermionic cathode 26, Fig. 2, is surrounded by a control electrode 14 whose external diameter is less than 0.15 times the internal diameter of the first anode 17; this may fit into the glass neck 11 of the tube or be a coating of colloidal graphite. The end of the electrode 14 may fall short of or project beyond the plane at the end of the anode 17 and perpendicular to the tube axis. Further magnetic or electro-static focusing means are used to direct the beam on to a fluorescent screen. The cathode is held by a steatite plug 27 in the electrode 14, which is mounted in the coned insulator 23; stiff rods 25 passing through holes in the insulator form supports therefor and act as leads. A getter 32 is housed in the cone. In a modification the cathode 26, Fig. 3, is held in the electrode 14 by spacing discs 35, the electrode having a perforated cap 33. The internal diameter of the electrode may be between 1-5 to 3 times the diameter of the cathode diameter; the aperture 30 in the electrode may be ¢ to ¥ the cathode diameter.
Patent GB-786616-A (GB)
Title: Wad for rifle cartridges
IPC: F42B7/08
Filed: 1956-03-16
Abstract: 786,616. Cartridge wads. PHILIPPE, M. G. March 16, 1956 [March 18, 1955; June 10, 1955; Oct. 26, 1955], No. 8328/56. Class 9(1) A cartridge wad comprises a tube 1 of flexible material with end closures 2, 10 the closure 2 being perforated and may be covered by a paper disc which contacts the propellant when the wad is placed in position. The inner surface of the tube 1 may be barrel-shaped. On firing a cartridge fitted with the wad, the paper disc ruptures and the gases pass through the perforations into the wad expanding the side walls to provide a gas check. The wad may have a reduced outer diameter on the shot side and be provided with a gas-seal ridge. The closure 2 may be cup-shaped with a bent-over rim secured to the wad or alternatively the closure may seat in an annular recess in the wad, two such discs may be used with a paper disc between them. Polyethylene may be used to make the wad, which may be moulded.
Patent GB-326662-A (GB)
Title: Improvements in and relating to pulverizing and like mills
IPC: B02C15/12
Filed: 1929-03-14
Abstract: 326,662. Green, E. W., and Unthank, G., R. March 14, 1929. Ball-and-ring mills and apparatus; conical mills.-A mill for pulverizing coal &c. comprises a rotary track w on to which balls x are pressed by a non-rotating ring y which is loaded by springs z, the material ground by the balls being carried off by an air current through a passage h, the coarse particles falling back onto the track for further pulverization. The rotary track w is mounted on a shaft a driven by a worm and worm-wheel c, the upper end of the shaft being provided with a bevel wheel n which drives a similar bevel wheel n on a shaft o which passes through a worm conveyer l. The end of the shaft o is provided with a slotted disc and adjustable crank-pin p for oscillating a lever q with pawl r which revolves a ratchet wheel s secured to the screw'conveyer l. Partly crushed coal is supplied from a hopper k to the screw conveyer l from which it drops through passages g to a conical mill t, v through which it is fed by feeder arms u, means adapted to be sheared being provided should excessive torque be required from the shaft a. The coal then drops to the rotary track wand is crushed by the balls x, the number of balls being insufficient to fill the track. The lip w<1> of the track is a portion of a paraboloid lying between two horizontal planes. A fixed lip w<2>, in proximity to the lip w<1>, forms an annular jet with an adjustable sleeve w<3> which is positioned by screwed rods. Air from inlets i pass through the jet and carry off the ground coal thrown up by the lip w<1>, as shown by the arrow 3, Fig. 4, the heavy particles passing back to the track as shown by the arrow 4. The coal in suspension with the air is carried upwardly into the separator s. The air inlets i may be closed and heated air supplied through passages i', Fig. 2 (not shown). The first Provisional Specification states that rotation of the balls by the track may be ensured by the insertion in the ring of a tread of rubber.
Patent GB-530567-A (GB)
Title: Improvements in or relating to percussive tools
IPC: B25D9/08
Filed: 1939-06-13
Abstract: 530,567. Percussive tools. BYRNE, E. June 13, 1939, No. 8391. [Class 124] A percussive tool suitable for scraping metal, particularly after welding or casting, comprises a chisel-pointed hammer T constructed, at its rear end E as a differential piston which is reciprocated automatically by compressed air under the control of a valve K located in a tubular air-supplying handle A, an inclined nozzle P, also controlled by the valve K, serving to remove debris from the workpiece. The piston portion E has a central bore F and two or more ports G adapted to communicate with the bore H of the handle and with an outlet J to the atmosphere.
Patent GB-1215833-A (GB)
Title: Picture mounts
Inventor: ROCHELT GUNTER
IPC: A47G1/06
Filed: 1968-02-21
Abstract: 1,215,833. Clips. G. ROCHELT. 21 Feb., 1968 [28 Feb., 1967], No. 8442/68. Heading E2B. [Also in Division A4] A clamp 2 for clamping a glass pane 5 to a backing plate 3 comprises a spring loop having a short L-shaped leg 6 and a long leg 2 having a tapering nose 4. A projection 8 on the clamp engages a groove in a supporting bar (not shown).
Patent GB-238483-A (GB)
Title: An improved process of bias cutting
IPC: D06H7/12
Filed: 1925-03-30
Abstract: 238,483. Clark, G. M., (Brand & Oppenheimer, Inc.). March 30, 1925. Producing biassed fabrics from ordinary fabrics; cutting tubular fabrics to form flat fabrics. - Biassed fabrics are produced by bending a strip of woven fabric having the warps and wefts parallel to and at right-angles to the selvages into the form of a tube and uniting the adjacent selvages c, Fig. 2, by sewing or otherwise and then cutting the resulting tube in which the warps and wefts run helically along a line x, x parallel to the axis to form a biassed fabric as shown in Fig. 3. The angles made by the warps and wefts to the cut edges d of the biassed fabric may be 45‹ or other angle.
Patent GB-630222-A (GB)
Title: Improvements in the manufacture of wings and bodies for model aeroplanes
IPC: A63H27/00
Filed: 1947-03-28
Abstract: 630,222. Model aircraft. FABIAN, M. March 28, 1947, No. 8515. [A Specification was laid open to inspection under Sect. 91 of the Acts, March 28, 1947.] [Class 4] A wing or fuselage of a model aircraft is formed from a series of aligned units 1, one end of each unit being formed with a spigot-member consituting a stiffening rib 2 and which directly engages the open end of the adjacent unit. The units may be made of sheet metal, celluloid, paper or synthetic material, and the stiffening ribs 2 may be integral with the remainder of the sheath elements ; or may be made separately and then inserted and secured therein. The units may be secured together by adhesive or rivets.
Patent GB-637217-A (GB)
Title: Improvements in and relating to automatic change-speed gearing for self-propelled vehicles
IPC: F16H61/02
Filed: 1945-07-06
Abstract: 637,217. Variable-speed gearing. LIVERMORE, W. T. July 6, 1945, No. 8522/48. Divided out of 637,158. Drawings to Specification. [Class 80 (ii)] The subject-matter is the same as Specification 637,158 but the claims are directed towards the automatic control of the friction clutches to provide a different rate of application during downshifts than during upshifts to allow for, and prevent respectively, speeding-up of the engine so as to obtain a smooth change. Specification 515,001 also is referred to.
Patent GB-813800-A (GB)
Title: Primary battery and production thereof
IPC: H01M4/64
Filed: 1957-03-15
Abstract: 813,800. Moulding battery components. HEDGES, J. D., BALAGUER, R. R., and BESSEMER SECURITIES CORPORATION. March 15, 1957 [March 16, 1956], No. 8657/57. Class 87(2). [Also in Group XXXVI] A battery electrode consisting of a cylinder 20 closed at one end and surrounding a rod 22 is made from a carbonaceous mixture which is shaped in a metal mould 60 having a metal bottom 62 conforming to the shape of the closed end of the cylinder. Within the mould is a piston 63 enclosing a second piston 65, both of which are insulated from the mould 60 by a ceramic ring 67. A metal contact member 70 may be placed in the mould before the introduction of the carbon mixture, and a metal or plastic ring 71 fitted against a shoulder on the piston so that it becomes secured to the open end of the moulded cylinder. When the carbon mixture has been placed in the mould pressure is applied to the piston 63, and current from a transformer 68 is passed through the mixture as shown by the arrows. As the mixture becomes heated, it softens, and the piston 63 travels further into the mould and forces some of the mixture into the central opening to form the rod 22, the piston 65 being forced upwardly till it meets the upper plate of the press. The moulding mixture may consist of graphite mixed with coal tar pitch or phenol formaldehyde moulding powder.
Patent GB-723669-A (GB)
Title: Improvements in or relating to electrical condensers
Inventor: CIANCHI ALFREDO LUIGI GIUSEPPE
IPC: H01G4/06
Filed: 1952-04-04
Abstract: 723,669. Capacitors. WELWYN ELECTRICAL LABORATORIES, Ltd. June 30, 1953 [April 4, 1952], No. 8668/52. Class 37. In a capacitor in which perforated metal plates or foils 12 are separated by a dielectric material which extends integrally through the perforations 11, this material consists of a glass base containing a spacing material, e.g. glass fibres, of higher melting-point. Perforated metal plates 12 are dipped in a mixture of molten glass or a slip of powdered glass in water with the spacing material and pressed together at a temperature above the melting-point of the glass. To allow use of the same mould, a range of capacities can be produced by varying the number and size of perforations in plates of standard size and the plates may be corrugated to reduce the bulk, while the external surface of the unit may also be corrugated to give a long leakage path between electrodes. In an embodiment, Fig. 3 (not shown), using two folded interlocking plates, perforations are placed to facilitate bending along a line. Specification 716,259 is referred to.
Patent GB-1492433-A (GB)
Title: Locating systems
IPC: G01S7/00
Filed: 1975-03-03
Abstract: 1492433 Relaying radar signals SIEMENS AG 3 March 1975 8693/75 Heading H4L A target locating system comprises at least three locating stations, R1-R5, including respective pulse Doppler surveillance radar devices, the target information NR1-NR5 received at each station being transmitted on data links to at least some of the others, target information received from at least some of the other stations being transmitted together with the station's own target information, for some of the stations, all of the data thus being available at at least two stations. The data may pass pair-wise between stations, Fig. 2, or the information NR1-NR5 may pass between stations in a series of links, Fig. 1 (not shown). A hybrid arrangement of series, and pair-wise links may be provided Figs. 4, 5 (not shown). Information may pass in only one sense (R2-R4, Fig. 5) between meshes (R1-R3), (R4-R6) of stations, internally exchanging all information. The data links comprises radio channels, with carrier frequencies f 1 -f 5  for information transmitted from stations R1-R5 respectively, or a single carrier frequency may be used for a plurality of separated links (Fig. 4). Alternatively the transmissions may be individually identified by an address code, a transmission synchronization facility being provided. The stations may be mobile. A vehicle V2a in the target detection area E2 of a station R2 may receive the information by tuning to the carrier frequency f 2  of that station's transmission. Station arrangement, Fig. 6.-The information transmitted from the other stations is received at antenna EA, separated by filters FK into the respective channels, and demodulated at DEM. The transmitted data includes data originating from the station itself and having been previously transmitted to other stations. Given information may be transmitted to the station iteratively up to a predetermined maximum number of iterations, comparison of current, and prior received data taking place at RFF, further transmission being suppressed upon agreement. The thus verified information passes to output buffer store ASP for re-transmission. Information, concerning target range, azimuth and IFF, derived from antenna RA2 is compared in unit DRD with data received on the links to other stations and appertaining to a target location within the station's own scanning area, e.g. E2 the comparison having a tolerance to allow for ageing of the information. When equality is detected, the data latest received via the radar antenna is suppressed, and not re-transmitted to other stations via modulator DS and antenna SA2. Unit KOS ensures that a common co-ordinate system, in which the station R2 shown has coordinates Xo, Yo is established for all stations units KOV and RDSP ensuring that only data relating to a target in the region E2 passes for comparison to DRD. The transmission of information may take place in a cycle time comprising an integral multiple times the rotation time of the radar antenna. The single antenna EA and filters FK may be replaced by the plurality of tuned antennas.
Patent GB-1005333-A (GB)
Title: Oriented film of a polymer blend
IPC: C08L23/12
Filed: 1964-03-02
Abstract: An oriented film is made from a polymer blend comprising 85-98% by weight of a film-forming isotactic polypropylene and 15-2% of a film-forming polyethylene resin having a density of up to 0.95 g./c.c.
Patent GB-494508-A (GB)
Title: Extensible hasp and hinge fittings for attache and suit cases and the like
IPC: E05B65/50
Filed: 1937-03-25
Abstract: 494,508. Hasp fastenings; hinges. CHENEY, C. W., and KENNEDY, E. N. March 25, 1937, Nos. 8752 and 27913. [Classes 44 and 65 (ii)] In an extensible hasp or hinge fitting having a channel member e, carrying at one end a hinge flap or hasp e<2> and at the other end a pawl e<4>, and sliding in a casing d having a rack d<2> for engagement by the pawl, the sides of the channel are strengthened by outwardly extending flanges f or inwardly extending flanges f<2> shown dotted in Fig. 3. In a modification, the flanges, after being turned outwardly or inwardly, are bent so as to lie against the inner surfaces of the side walls of the channel and are formed with pivot holes for the lever e<3> which actuates the pawl, making it unnecessary to pierce the side walls for this purpose. The front d<4> of the casing may have tongues m clenched over the back plate d<3> to provide additional attachment between the two parts of the casing.
Patent GB-742945-A (GB)
Title: Epoxy aliphatic polyamino acetic acids and salts
Inventor: BERSWORTH FREDERICK CHARLES
Filed: 1953-03-30
Abstract: The invention comprises epoxide compounds of the general formula <FORM:0742945/IV(a)/1> in which R is an aliphatic group, to two adjacent carbon atoms of which there is attached an oxygen atom <FORM:0742945/IV(a)/2> ; alkylene is -CH2.  -CH2-, <FORM:0742945/IV(a)/3> , or -CH2-CH2 -CH2-; n is 1, 2 or 3; and in which at least one of the amino hydrogen atoms is displaced by an acetate group (-CH2COOM) in which M is hydrogen, alkali metal, ammonium or substituted ammonium.  They may be prepared by heating the alkali metal salts of di-hydroxy aliphatic polyamino acetic acids while they are suspended in xylene or toluene.  A di-hydroxy aliphatic polyamine that has at least one displaceable amino hydrogen may be carboxymethylated by condensing formaldehyde with sodium cyanide in the presence of the polyamine. In the examples the preparation of <FORM:0742945/IV(a)/4> <FORM:0742945/IV(a)/5> <FORM:0742945/IV(a)/6> <FORM:0742945/IV(a)/7> is described. Specification 600,629 is referred to,
Patent GB-215525-A (GB)
Title: Improvements in paper roll reloading devices for printing and like machines
IPC: B65H19/18
Filed: 1923-03-28
Abstract: 215,525. Hoe & Co., Ltd., R., (Hoe & Co., R.). March 28, 1923. Feeding webs. - In a printing- machine of the kind comprising a number of printing units, particularly in a multi-deck machine, with a running roll and a spare roll arranged side by side to supply web to each unit, the rolls 7 - - 12, Fig. 1, are mounted on carriages 13, 14 which are slidable longitudinally of the rolls to facilitate reloading, the pairs of rolls being superposed. The uppermost pair of rolls need not be movable. The carriages 13, 14 comprise back and side frames 17, 18 and overhanging arms 19 with bearings 20 for the roll spindles 21. The carriages are provided with three sets of antifriction rolls, of which the sets 23, 24, Fig. 2, run on bearing surfaces 27, 29 on opposite sides of rails 26, and the set 25 on surfaces 28 on the rails. The carriages are locked in operative position when loaded by latch members 30 carried by spring-pressed rods 34 on the carriages and adapted to engage latch pins 36. The pins 36 are carried on blocks. 38 movable in the machine frame 15, in order to adjust slightly the position of the carnages, by a screw and handwheel 44. The roll spindles have squared ends 45 to engage recesses in driving shafts 47. Guides 50, 51, Fig. 1, for guiding the webs to the printing-mechanisms are arranged above the rolls. Specification 168,974 is referred to.