baber/WOPTO huggingface dataset:
Patent GB-706725-A (GB)
Title: Improvements in or relating to directive radio aerial systems
IPC: H01Q19/13
Filed: 1951-10-17
Abstract: 706,725. Aerials. GENERAL ELECTRIC CO., Ltd., and WALSH, A. S. Oct. 16, 1952 [Oct. 17, 1951], No. 24287/51. Class 40 (3) In a reverse feed directive aerial system, the end of a rectangular wave guide 1 projecting through the apex of a reflector (not shown) is tapered between the points A and B and terminated in a box-like construction 4 in which the wave guide divides in the plane of the shorter dimension into two branches 6, 7 which curve back symmetrically in opposite directions so that their apertures 5 lie one on either side of the wave guide and are directed back towards the reflector. The angle of each branch at the point of division may lie between 0 and 30 degrees. Dielectric plugs 8 formed, for example, of polythene are fitted into apertures. Steps 12 reduce interference with the beam shape in the E-plane caused by the wave guide ; any mismatch caused by the steps being reduced by suitably dimensioning the box particularly the truncating of the apex 16. Due to the spacing of the apertures 5, the phase centres of the E and H planes are not coincident in the wave guide, and some correction or adjustment of this is effected by means of plugs 8 or by tapering the apertures 5 in the plane of the larger dimension, see Fig. 3 (not shown). Flanges 20 are provided to correct disturbances of the beam shape in the H- plane caused by the flares. In order to maintain matching in the system, the reflector is provided with a plane plate cutting off the vertex. In an alternative construction (not illustrated) using dielectric filled wave guide, the system may be constructed by first suitably shaping the dielectric material and then depositing the metal walls on the surface by an electrical process. Detailed dimensions and characteristics are given for a system intended for operation over the frequency band 8600-9700 Mc. The Provisional Specification discloses a construction in which the two branches are each formed of a first part approximately #/2 in length and curving smoothly through 180 degrees, and a second part # in length and increasing smoothly in cross-section towards the aperture. Dielectric windows, preferably formed of mica, are mounted in the second parts #/4 from the apertures.
Patent GB-1027236-A (GB)
Title: Automatic dispenser for measured quantities of liquid metals
IPC: B22D17/30
Filed: 1963-06-20
Abstract: 1,027,236. Dispensing liquid metal under pressure. ZAVODY ELEKTROTEPELNYCH ZARIZENI (ZEZ) NARODNI PODNIK. June 20, 1963 [June 22, 1962], No. 24501/63. Heading F1R. In an apparatus for dispensing measured quantities of liquid metals, a valve rod is fastened to a rod 5 which is fastened to a plate 14 to which are welded bellows type tubes 12, 13 and a hood 19 hermetically encloses the outer tube 13. Gas under pressure acts on the plate 14 to move the rod 5 and the valve rod so as to close a filling aperture in a liquid metal container (Fig. 1, not shown) and enters the container via apertures 23, 24 to force out the liquid therein. Alternatively the container may be pressurized after the filling aperture is closed, in which case the plate 14 is held up, either by a spring, gas pressure or both, while an initial preparatory pressure forces out some of the liquid before the full pressure is applied on the plate 14 to close the filling aperture. Gas is supplied to the space 26 via an opening 22, which also serves to vent the space when the bellows are compressed.
Patent GB-406708-A (GB)
Title: Improvements in or relating to modulated carrier wave transmitters
IPC: H03C7/02
Filed: 1932-09-02
Abstract: 406,708. Valve modulating circuits. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., Electra House, Victoria Embankment, London, and QUILTER, W. A. E., 19, Bournehall Avenue, Bushey, Hertfordshire. Sept. 2, 1932, No. 24526. [Class 40 (v).] A transfer circuit, between a wave amplifier V1, V2 and the aerial or other load F, includes one or more thermionic valves V3, V4 whose internal resistance is varied by signal voltages applied to their grids. The amplifier V1, V2 preferably comprises a push-pull pair biassed to the point of cut-off. A point on the oscillatory output circuit A is connected to a point of the aerial or other load circuit F through two parallel paths each including a valve V3, V4 the two valves being connected in opposite directions. The return for this transfer circuit is afforded by earth connections. Signal voltages are applied to the grids of the valves V3, V4 from a source J through a transformer K or other coupling, the signal-carrying leads including high-frequency choke coils L. The filaments of the valves V3, V4 may be heated by high-frequency currents derived from coils G, G1 coupled to the circuits A, F. Screens E, E1 prevent undesired coupling between the circuits A, F. The effect of inter-electrode capacity in the valves V3, V4 may be neutralized ; or the valves V3, V4 may be of low resistance and connected at low-potential points on the circuits A, F so that the effect of inter-electrode capacity is unimportant. The plate voltage of the amplifiers V1, V2 should be supplied by low-impedance apparatus, e.g. mercury-vapour rectifiers. Alternatively the plate supply voltage may be kept steady by any known means.
Patent GB-519527-A (GB)
Title: Improvements in or relating to pattern grading machines
IPC: A43D8/10
Filed: 1938-08-20
Abstract: 519,527. Pattern grading machines. BRITISH UNITED SHOE MACHINERY CO., Ltd. (United Shoe Machinery Corporation). Aug. 20, 1938, No. 24554. [Class 97 (iii)] [Also in Group XXII] A machine for cutting metal or other patterns for shoe manufacture and employing pantograph mechanism comprises carriages 12, 28, Figs. 2, 3 on which is clamped the sheet material to be cut, having motion on tracks 30 endwise of the machine and on tracks 36 sidewise of the machine, and carriages 14, 108, Fig. 1, for a punch, having endwise motion on tracks 116 and sidewise motion on tracks 110, the carriages being connected by width grading mechanism 24 and length grading mechanism 26 so that as a follower 22, Fig. 7, carried on the carriage 12 moves around a model 20, Fig. 3, bolted to a fixed perforated support 18, the punch carriage has a movement proportional 'to that of the model. The grading mechanisms are adjustable to give desired enlargement or diminution, and may be also set to give a grading ratio of unity at any part of the contour of the model. The width grading mechanism comprises a link 134 pivoted at 136 to the punch carriage and at its other end to a member adjustable along a curved rack 148 on a member 128 adjustably clamped at 162 to a bar 130 which is continued as a slotted member clamped to a carriage 124 on a guideway 120 fixed to the carriage 28, and the adjustments include sectors 168, 190. The length grading mechanism 26 is similar and is connected by bars 212, 222 to the carriage 108 of the punch. The feeler Fig. 7, comprises a grooved pin adjustable in height in a handle member 92 on a bracket 90 on the carriage 12, which is moved by the operator to follow the model 20. Work holders. The sheet material 82, Fig. 11, to be cut is held by a clamp comprising knurled plates 42 mounted at the free' ends of bars 66 yieldingly secured to the carriage 12, and knurled rolls 44 carried on links 48 which may be raised and lowered through arms 52 connected to a shaft fitted with a handle 60, Fig. 2, 'the rolls turning as they grip without shifting the work. A copy 80 of the model is held on the work by a pronged grip 78 on a pivoted arm 68, so that the operator may ensure that the punch does not leave the edge of the material. Punching mechanism. The reciprocating punch 16, Fig. 18, is driven from a motor 300 through a connecting rod 288, having ball and socket ends 290, and a rocker 272 mounted on an eccentric 282 on a shaft 284, which may be turned by a hand lever having a toothed sector engaging a pinion on the shaft to raise the punch out of engagement with the work while reciprocating idly. The shaft is yieldingly retained in its adjusted position by a spring plunger 314 engaging stop surfaces 320 on a flange on the shaft. The throw of the punch is adjustable by a threaded collar 280, and a bush 264 in an adjustable bracket 268 forming a bearing for the end of the punch spindle 258 is provided with a flange 266 acting as a stripper.
Patent GB-517998-A (GB)
Title: Improvements in or relating to process of pickling iron and its alloy
IPC: C23G1/36
Filed: 1938-08-20
Abstract: 517,998. Pickling metals. LATTRE, P. DE. Aug. 20, 1938, Nos. 24581 and 24582. Convention dates, Aug. 21, 1937 and Aug. 6, 1938. [Class 82 (ii)] Iron and its alloys are pickled by means of a sulphuric acid solution to which are added hydrochloric acid and a limiter, the porportions of the reagents being such as to cause the formation of ferrous chloride at the expense of ferrous sulphate. The pickling solution is regenerated by simultaneous additions of the two acids and the limiter in such amounts as to maintain substantially constant the concentrations of these three constituents and to keep up the partial conversion of ferrous sulphate into ferrous chloride. Used-up pickling solution may be rendered suitable for re-use by subjecting it to fractional crystallisation, separating the precipitated ferrous sulphate and recovering mother liquor and adding to said liquor an amount of water substantially equal in volume to the amount of ferrous sulphate separated, thereby restoring an acid concentration once to twice normal in H2SO4 and one to three times normal in Cl ion. The limiter may be added in the form of a hydrochloric solution of peptonized gelatine, or of a tertiary heterocyclic base such as quinoline, naphthoquinoline, or a homologous hydrochloride.
Patent GB-1397761-A (GB)
Title: Cylinder-printing machines
IPC: B41F13/00
Filed: 1972-05-25
Abstract: 1397761 Cylinder printing machines FERD RUESCH MASCHINENFABRIK 25 May 1972 [21 April 1972] 24709/72 Heading B6C In a cylinder machine in which the printing cylinder 1 is reciprocated across an impression table and in which the ink roller 11, ink drum 12, distributer rollers 13 and forme rollers 14 travel with the cylinder 1 the latter is maintained in continuous uni-directional rotation whether it is at either end of its stroke or being returned to its starting position. This rotation is accomplished by having a main drive M, 27, 28, crank wheel 3 and connecting rod 4 and an auxiliary drive, which, although deriving its power from the same motor M, is connected directly to the shaft of the cylinder 1 through gears 26, 25, shaft 23 and worm-gearing 22.
Patent GB-951472-A (GB)
Title: Improvements in and relating to the production of solid polysulphide polymers
Inventor: MOLNAR EUGENE J
IPC: C08L81/00
Filed: 1961-07-07
Abstract: Solid polymers are obtained from liquid polythiopolymercaptan polymers by blending them with up to 60% by weight of an inorganic compound having at least one hydroxy radical attached to each metal atom.  Fillers may be used to obtain paste-like compositions for making dental impressions.  Accelerating and retarding agents may be added to the blend. In examples liquid polymers are cured with cupric hydroxide, cupric oxychloride, copper oxychloride sulphate, tetra-copper calcium oxychloride, tribasic copper sulphate, ceric hydroxide, nickelous hydroxide, manganese hydroxide, cadmium hydroxide and lead hydroxide; titanium dioxide is used as a filler, sulphur is used as an accelerating agent, and retarding agents are boroglycerine, pyridine borane, glycol boriborate, ethyl borate, dimethylamine borane diglycerol, and tri-o-cresyl borate; dibutylphthalate is used as a plasticizer.
Patent GB-296757-A (GB)
Title: Diffused light projector device
IPC: F21S8/10
Filed: 1928-08-28
Abstract: 296,757. Gaba, A. E. Sept. 7, 1927, [Convention date]. Void [Published under Sect. 91 of the Acts]. Controlling consuming devices; switching systems.- The Figure shows a connection diagram for a pair of vehicle lamps U, V, the arrangement being such that when the switch lever t is put to the positions t0, t1, t2, the lamps are switched off, connected in parallel, and connected in series respectively.
Patent GB-283271-A (GB)
Title: Improvements in and relating to apparatus for spraying paints and enamels
IPC: B05B13/02
Filed: 1926-10-06
Abstract: 283,271. Dunlop Rubber Co., Ltd., and Trevaskis, H. Oct. 6, 1926. Coating-machines.-In apparatus for painting lines &c. or otherwise marking wheel-rims, the paint &c. is sprayed on the rims, and the rim rotates and/or is supported upon a roller or rollers. In a preferred form the apparatus comprises two sets of rollers 4, 5, each set comprising two rollers 6, 7, and driven by a band 9. The rim 10 is supported by the rollers and rotated by frictional contact therewith. The set 4 may act as auxiliary line-marking means, being partially immersed in fluid 11 contained in a tank 12. Scrapers 14 allow of variation in width of the lines applied. An atomizer 15 is arranged between the two roller sets, and adjustable plates 16, 17, are provided to limit the surface of the rim sprayed. More than one set of marking rollers may be provided for application of lines of different colours, which may be different from the colour sprayed. Colour applied by the various members may be applied simultaneously or successively. The rollers may be canted and their distance apart varied, and if used as lining rollers may receive paint by contact with auxiliary partially immersed rollers. The device may be carried by a vice 1 upon a frame 2 having guides 3 for the rim. Supporting, aligning or driving rollers may be provided auxiliary to those arranged adjacent to the spraying means. Specification 283,054 is referred to.
Patent GB-1384716-A (GB)
Title: Loudspeaker diaphragm
IPC: H04R31/00
Filed: 1972-05-30
Abstract: 1384716 Moulding diaphragms MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd and SEKISUI KAGAKU KOGYO KK 30 May 1972 [28 May 1971 5 July 1971 12 July 1971] 25216/72 Heading B5A [Also in Division H4] A loudspeaker diaphragm of foamed plastics material having spaced regions of density lower than the remainder of the diaphragm is made by placing foamed thermoplastic sheeting in a die and heating the die while pressing the sheeting to frusto conical shape. The die has locally different cooling rates and/or local recesses or protuberances which provide the lower density regions. Alternatively thermosetting material is poured into a mould and the mould is heated while the material is pressed into shape. The mould has locally different cooling rates and/or local recesses or protuberances. An aqueous emulsion of rubber or thermoplastic resin is applied by spraying, brushing or dipping to one or both faces of the diaphragm before or after moulding to form a coating. A peripheral suspension member 22 for the diaphragm is formed by pressing from a sheet of closed cell foam thermoplastics, e.g. E.V.A. copolymer alone or mixed with polyethylene, which has been cross-linked with an organic oxide or by irradiation.
Patent GB-150710-A (GB)
Title: Improvements in or relating to motor cycle magneto drives
IPC: F02P1/00
Filed: 1920-09-01
Abstract: 150,710. Soc. Anon. des Etablissements Ballot. Sept. 2, 1919, [Convention date]. Magnetos, driving.-An ignition magneto for motor cycles is driven by means of a toothed wheel 12 engaging the transmission chain between the engine shaft 1 and the speed gear shaft 5, the magneto 6 being adjustably mounted on the cover-plate 7 to vary the tension of the chain. A loosely-mounted guide-pinion 13 engages the slack side of the chain to prevent vibration.
Patent GB-318152-A (GB)
Title: Improvements in or relating to x-ray screens
IPC: G21K4/00
Filed: 1929-08-19
Abstract: 318,152. Scherin-Kahlbaum Akt.- Ges. Aug. 28, 1928, [Convention date]. R÷ntgen-ray screens.-In an X-ray screen comprising a fluorescent layer and a lead glass plate, the fluorescent layer, instead of being coated on a card which is mounted with the lead glass plate in a frame, is applied directly upon the lead glass plate as by coating, for example by pouring. The plate so coated may be mounted in a covered frame, or be lined on the back with a card and used in any mounting. The fluorescent layer may be protected by a washable lacquer layer.
Patent GB-1168540-A (GB)
Title: Filtration Apparatus
Inventor: MCMANUS THOMAS
IPC: B01D33/50
Filed: 1967-06-01
Abstract: 1,168,540. Rotary filter. BRITISH TITAN PRODUCTS CO. Ltd. 1 May, 1968 [1 June, 1967], No. 25336/67. Heading B1D. An inward flow, rotary drum filter comprises an outer surface consisting of a series of circumferentially spaced segments each presenting a concave outer surface, on to which the elastic filter medium is drawn over the filtering and cake-washing sectors of the drum A, B, the internal suction being released, and possibly compressed air being applied to the segment, at position C whereupon the filter cake is thrown from the medium, which springs away from the central area of the segment (Fig. 4, not shown). The medium may comprise rubber threads or may be woven polyamide or polyester or knitted fabric capable, of a 10% expansion under a pressure of 10 p.s.i. The segments comprise blocks of ebonite, nylon, polyethylene or polytetrafluoroethylene, with surface grooves and through passages communicating with pipes 10 leading to rotary valve (11) by which suction and pressure is applied. Each segment or set of axially abutting segment sections is located in a trough (2) of the drum surface. A layer of wire mesh may cover the segments under the filter medium. As the drum passes through bath 14 of slurry, the fine particles tend to clog the medium, but this results in increased pressure across the medium and the medium is thereby drawn tighter on to the segments, stretching and opening out the pores to counteract the clogging. The bath has an agitator 15. The drum may have 8 to 30 segments round its circumference.
Patent GB-1222601-A (GB)
Title: Folding box feed device
IPC: B31B120/30
Filed: 1968-05-28
Abstract: 1,222,601. Erecting collapsed boxes; endless conveyers. INDUSTRIE-WERKE KARLSRUHE A.G. 28 May, 1968 [9 June, 1967], No. 25446/68. Headings B8A and B8C. A device for transferring collapsed boxes 1 from a magazine 4 to a feed device 2 of a carton handling or filling machine comprises two rocking levers 5, 6, which engage the forwardly and rearwardly facing sides 25, 26, of a box erected by a sucker arm 23 in a pick-up position and move the box between guides 7, 8 to a transfer position where it is engaged by holders 31, 32 of the feed device. Rocking levers 5, 6 are reciprocated about pivots 9, 10, respectively, from an arm 20 pivotally connected to a rod 16 driven by a cam 13. Lever 6 is fixed to the arm 20 and lever 5 is fixed to an arm 17 which is pivotally connected to the arm 20 by a rod 19. An erected box is pushed down the guide 8 to the transfer position, where a member 27 pivoted at 28 descends to depress the box on to a guide rail 33 and in between a pair of projections 31, 32 of the feed device, which is preferably an endless chain. The height of guide 7 is adjustable. In order to accommodate boxes of different widths pivot 10 may be movable and one of the rocking levers may have a sliding extension for contacting the corresponding box side.
Patent GB-777479-A (GB)
Title: Wear protection devices for trousers
IPC: A41D27/14
Filed: 1954-09-02
Abstract: 777,479. Trouser edge - protectors. SUCHARD, T. Aug. 16, 1955 [Sept. 2, 1954], No. 25459/54. Class 141. A trouser edge-protector comprises a pliable strip 1 of leather, plastic, &c. stiffened by non-resilient wires 7, 7<SP>1</SP> which protrude from the strip at 6, 6<SP>1</SP>. The strip is preferably of double thickness, the wires being secured between the layers. The strip is attached to the trouser leg by inserting the points 6, 6<SP>1</SP> through the cloth and bending them over.
Patent GB-1102687-A (GB)
Title: A data card for a compiling, transporting and communicating system, particularly intended for personnel characterizing data
IPC: B42D15/10
Filed: 1965-06-16
Abstract: 1,102,687. Cards; printing plates. HLSOOCH SJUKVARDSINFORMATION A.B. 16 June, 1965 [17 June, 1964], No. 25515/65. Headings B6A and B6C. [Also in Division A4] An identity, credit or address card, passport or driving licence is made of a synthetic plastic material, which may be transparent and the card is divided into a plurality of areas, which are disposed in four zones: an embossing zone in which the data is embossed, a writing or typing zone in which the date is typed or written in, a zone containing concealed information which cannot be visually read but may be scanned by electrical, magnetic or X-ray means and a zone which may bear a photograph or finger prints. The concealed information may be embossed on the card in coded form and the zone provided with magnetic or X-ray impermeable material. The identity card may be bonded to a further plastics sheet to define a pocket F1, Fig. 2 (not shown), of a wallet thus produced which may be folded about a median transverse axis. A still further plastics sheet may be bonded to the wallet to define further pockets F2, F3, which are separated by a welded seam passing along the transverse axis. The embossed zone may be used for printing of the embossed data therefrom, the backing sheets on the identity cards serving as mounting for the printing plate.
Patent GB-415891-A (GB)
Title: Change-speed gearing
IPC: F16H57/023
Filed: 1933-09-15
Abstract: 415,891. Casings for variable-speed gears. HUMBER, Ltd., WISHART, N. M., and HEYNES, W. M., Stoke, Coventry. Sept. 15, 1933, No. 25590. [Class 80 (iv).] A casing for change-speed gears having spigotally-mounted coaxial shafts 12, 13, supported in bearings 16, 21 and 17 in its end-walls and in one or more integral webs 18 respectively, has the bearing-opening 19 in the web of the same size as the opening 20 in an end-wall, the opening 22 in the other endwall being of the same size, or larger, so that a boring-bar, with a single cutter or set of cutters, can be passed from end-to-end through the casing to machine the openings in succession. When the opening 22 is larger than the others, for instance to accommodate an end-cap 24, the boring bar may carry a second cutter or set of cutters, spaced from the first. The intermediate bearing 17 is smaller than the end ones and is received in an annulus 25 spun over its ends and retained in the web by a screw 26.
Patent GB-227517-A (GB)
Title: An improved means for embossing or lettering coffin plates or like metal sheets
IPC: B44B5/00
Filed: 1923-10-16
Abstract: 227,517. Gordon, S. A. Oct. 16, 1923. Name-plates.-Means for embossing coffin and other plates comprises a frame 14, Fig. 3, with upstanding studs 17 which is mounted on a backing 13 and is divided into parallel recesses 6<a> by bars 15. Letter or like dies 16, Fig. 4, are arranged in these recesses and the coffin plate 10 is clamped thereon by a rectangular frame 18, Fig. 3, corresponding to one or more recesses 6<a> and having holes and wing nuts 9 to engage the studs 17 which also pass through holes in the plate 10. The frame 18 may be grooved to carry stencils 19, corresponding to the dies, which serve to guide the tool used to emboss the metal. The frame 14 may be made in one with the backing and cross bars 15. The embossed plate is then finished, the holes being incorporated with the ornamentation.
Patent GB-676706-A (GB)
Title: Improvements in or relating to means for delivering materials
IPC: B43M11/02
Filed: 1947-10-06
Abstract: <PICT:0676706/III/1> <PICT:0676706/III/2> A device for delivering liquids such as adhesives, of the type in which a wheel or roller by rotating with its periphery extending into a bath delivers liquid on its periphery which may be exposed or projecting through a cover comprises an elongated rectangular container 1 having its bottom sloping from its ends towards the centre whereat is disposed a wheel 5 rotatably supported on members extending transversely from the sides of the container on one of which is hinged a curved lid 7 with an aperture 8 therein through part of which the periphery of the wheel projects when the lid is in position to close the container.