baber/WOPTO huggingface dataset:
Patent GB-362892-A (GB)
Title: Combined cigarette case and matchbox
IPC: A24F15/18
Filed: 1930-06-06
Abstract: 362,892. Cases for cigarettes and matches. HOLMGREN, C. G. E., Carl Gustafs Stads Gevõrsfaktori, Eskilstuna, Sweden.. June 6, 1930, No. 17533. Convention date, June 7, 1929. Void [Published under Sect. 91 of the Acts]. [Class 18.] The lid of a partitioned case for cigarettes and matches is provided with one or more fixed or detachable friction surfaces f which do not extend over the match compartment d. Packing material h, Fig. 1, forms a watertight joint for the lid e, and it is stated that this packing may be fixed either to the lid or to the body part of the case. In a modification, the lid e, Fig. 4, is hinged to the case at i and the lid joint may also be provided with packing.
Patent GB-859076-A (GB)
Title: Method for making post-tensioned pre-stressed concrete structures, and structures so made
IPC: E04C5/08
Filed: 1959-05-22
Abstract: 859,076. Prestressed concrete. BRAUNBOCK, E. May 22, 1959 [May 23, 1958], No. 17539/59. Class 20(4) Prestressed concrete structures are made by embedding in the concrete mix prestressed prestressing elements which are subjected to tension to prestress the concrete structure after the structural concrete has set and after a firm bond obtains between the prestressing elements and the structural concrete. The prestressing elements preferably have the same or a similar modulus of elasticity as the structural concrete. In the exemplified embodiment a prestressed prestressing element, which may be made of concrete &c. prestressed by tensioned wires or glass- or mineral-fibre reinforced plastics, is provided at each end with a permanently attached end plate 2 having a screw threaded stud 3 which receives a nut 5 by means of which the element 1 is tensioned after the structural concrete 4 has set. The tension applied to the element 1 is transmitted to the structural concrete 4 by a washer 6 at each end of the structure.
Patent GB-1516101-A (GB)
Title: Metal halide lamps
IPC: H01J61/30
Filed: 1975-04-28
Abstract: 1516101 Metal halide lamp GENERAL ELECTRIC CO 28 April 1975 [5 June 1974] 17585/7. Heading C1M [Also in Division H1] Metal halide lamp contains sodium halide within a fused silica envelope having on the external surface a zone of Al 2 O 3  heat diffused thereinto, to act as a barrier for sodium diffusion. The fused silica is first coated with aluminium oxide and then further heated on the surface so that the oxide penetrates the silica surface. Coating may be by spraying a saturated solution of an aluminium salt on to the preheated silica tube, aluminum chloride or nitrate being suggested and preheating to 800C. Alcohols such as isopropyl alcohol may be added to the solution. An alternative method of coating is to pass the silica tube through the smoke of aluminium isopropoxide burned in oxygen. The heating of the oxide coated surface may be by oxyhydrogen torch, a dc plasma torch, an rf plasma torch or a CO 2  laser. The alumina diffuses into the silica to a depth of from 5 to 25 microns and its peak concentration ranges from 5 to 25 weight percent.
Patent GB-1464254-A (GB)
Title: Soil cultivating implements
IPC: A01B33/02
Filed: 1974-04-22
Abstract: 1464254 Soil cultivating implement C VAN DER LELY NV 22 April 1974 [26 April 1973] 17599/74 Heading A1B Soil is cultivated by the combined action of a row of fixed inclined tines 22 interleaved with four rows of curved tines 13 carried on adjacent plates 9 mounted along the length of a rotatable shaft 8, which is supported at an adjustable height between two end plates 3 by discs 38 (Figs. 1 and 2) or a ribbed roller 66 (Fig. 6). The rotary tines 13 are mounted in rows of tine supports 11 carried on supports 10 secured to the star-shaped plates 9 to form a rotor 17. The rotor 17 is driven from the tractor p.t.o. via a gear-box 48 and a chain and sprocket system 44. A zig-zag row of rotatable support discs 38 is carried on a horizontal arm 32, which is height adjustable by the parallel arms 25 and 26 pivoted on plates 3 about shafts 27. Alternatively (Fig. 6) a rear support for the rotor 17 may take the form of a roller 66 wound with a helical rib 69, and adjustable for height by arms 68 pivoted on plates 3. In this embodiment, the roller axis may be non-perpendicularly inclined to the direction of implement traverse. The fixed row of tines 22 is -mounted in a row of tine holders 19 carried on downwardly inclined arms 18 attached to a frame member 1. The upper edges of arms 18 and the tops of tines 22 are protected by a U-shaped screen 23. The tines 13 and 22 may be grooved along their soil working portions, and flattened towards their tips.
Patent GB-422911-A (GB)
Title: Improvements in or relating to machines or apparatus for spreading, scattering, or distributing sand, fertilizers or other powdered granular or similar materials or substances
IPC: E01C19/20
Filed: 1933-06-21
Abstract: 422,911. Distributers for manure, sand, &c. MIDDLEHAM, J. C., 218, Spring- vale Road, Sheffield. June 21, 1933, No. 17659. [Class 6 (i)] In a distributer provided with a delivery channel of semicircular section and an adjustable outlet through which the material is delivered to a rotary distributing roller or cylinder, the delivery channel is provided with a delivery shoot extending approximately the length of the hopper and an adjustable arcuate shield for regulating the outlet of the shoot furnished with a number of elongated longitudinal slots of different widths and with a handle, lever, or link for moving it. The hopper A is carried by side frames A<1> mounted on main wheels B and steadying wheels B<1>, B'. The distributing roller C may be fluted or corrugated and may have end flanges. It may be driven from a wheel B by toothed gearing C<1>, C<2> and a clutch. The slotted shield E may be mounted within the delivery channel D and a blank portion or any one of its slots may be positioned over the delivery shoot D<1>. It is moved by means of a lever E<3> provided with a retaining segment E4 and pin E<5>. When the machine is manually propelled a forked propelling handle F is linked to a lever controlling a cap G<2> for the shoot D<1>, so that the first movement of the handle F uncovers the shoot D<1>. In a modification the shield E is arranged below the shoot D' and is operated by a lever connected to the propelling handle by a link which is adjustable in length, so that movement of the handle will bring a predetermined slot below the shoot. The handle F may serve as guiding and controlling handle when the machine is power driven. An agitator in the form of a worm may be mounted in the delivery channel D, and a roller may be provided for rolling in the material distributed.
Patent GB-1021397-A (GB)
Title: Pyrazineacetonitriles and methods of preparing them
IPC: C07D241/12
Filed: 1964-04-29
Abstract: The invention comprises compounds of the formula <FORM:1021397/C2/1> wherein R1 and R2 are each hydrogen, C1-5 alkyl or tertiaryaminoalkyl in which the alkyl residue contains up to 5 carbon atoms; their preparation by reacting an appropriate alkylpyrazine with an N-alkyl-N-aryl-cyanamide in a dry reaction medium and in the presence of an alkaline condensing agent; and the preparation of compounds of the foregoing formula wherein R1 is C1-5 alkyl, tertiaryaminoalkyl in which the alkyl residue contains up to 5 carbon atoms or aryl and R2 is the same as R1 or is hydrogen, by reacting pyrazineacetonitrile in a dry reaction medium and in the presence of an alkaline condensing agent with a halide R1Hal, in which R1 has the above meanings and Hal is a halogen atom, followed, if desired, by reacting the product with a halide R2Hal, in which R2 has the above meanings, except hydrogen, and Hal is a halogen atom.
Patent GB-397998-A (GB)
Title: Improvements relating to two stroke cycle oil engines
IPC: F02B67/04
Filed: 1932-06-23
Abstract: 397,998. Valve gear; fuel pumps. CROSSLEY, SIR K. I. and CARTER, H. D., c/o Crossley Bros., Ltd., Openshaw, Manchester. June 23, 1932, No. 17694. [Classes 7 (iii) and 7 (vi).] In two-stroke oil engines having a separate scavenging or charging pump supplying air to the cylinders past inlet valves, the fuel pumps and starting-air valves are operated from a shaft arranged at one end of the engine and at right-angles to the crank shaft. The Figure shows a shaft g driven from the crank shaft a and carrying cams k for the starting-air valves, and cams for the fuel pumps. The air-inlet valve blocks are constructed as described in Specifications 395,846, and the starting-cams may be adjusted for reversing as described in Specification 399,265.
Patent GB-906922-A (GB)
Title: Improvements in or relating to spectacles
IPC: G02C5/22
Filed: 1961-05-16
Abstract: 906,922. Spectacle frames. BARUFALDI, D. May 16, 1961 [May 18, 1960], No. 17729/61. Class 97 (1). A spectacle frame has hinges each of which comprises a part carried by the brow bar 2 which part has one end of a helical compression spring 3 anchored on it; the spring extends parallel to said bar and the free end of it is engaged on a partial extension of the side arm by a tongue 12 attached to said arm.
Patent GB-1473046-A (GB)
Title: Oxidation of vat and sulphur dyes with vanadata activated bromate or iodate
IPC: D06P3/70
Filed: 1975-04-29
Abstract: 1473046 Oxidation of vat and sulphur dyes OLIN CORP 29 April 1975 [10 May 1974] 17781/75 Heading D1B Vat and sulphur dyes in the reduced form on cotton or regenerated cellulose textile fibres are oxidised using an aqueous solution comprising 0.01 to 10% by weight of an alkali metal or ammonium bromate or iodate and 0.005% to 5% by weight of an alkali metal or ammonium vanadate. Preferably the weight ratio of the bromate or iodate to vanadate is 1:1 to 100:1, sodium and potassium being the preferred alkali metals. Package dyeing, continuous dyeing and jig batch dyeing procedures may be employed to dye textiles which contain more than 20% of cotton or regenerated cellulose. Polyester/cotton blends having 25 to 50% cotton may be dyed with vat or sulphur dyes as may cotton or regenerated cellulose blended with acrylic fibres.
Patent GB-1036726-A (GB)
Title: Production of coloured vitreous silica
Inventor: EDWARDS FREDERICK JAMES
IPC: C03C1/10
Filed: 1962-05-09
Abstract: Coloured vitreous silica is produced by the fusion of a purified charge of sand or quartz crystal powder in a furnace with an addition of not more than 1% by weight comprising at least one element having an Atomic Number of 22 to 29 inclusive, 59, 60, 62, 68, 74 or 92, or a suitable compound of one such element, the fusion being in air in the case of sand and in vacuo at a pressure of less than 5 mm. of mercury in the case of quartz crystal powder. Not more than 1% of alumina may also be added.  A large variety of colouring is produced by varying the amounts and by mixtures, of which the following oxides are examples:-V blue; Mn orange-brown; V + Mn olive green with low concentration V; V + Mn black with high concentration V; Cr green; Co blue-grey; Ni grey; U fawn; Ti purple; Fe reddish brown to black; Co + Mn royal blue; Cu reds; Cu selenide coral red; Cu silicide garnet; Pr green; Nd lavender; Et pink; W smokey grey; Sa yellowish.
Patent GB-334868-A (GB)
IPC: F27B7/20
Filed: 1929-06-10
Abstract: 334,868. Krupp Grusonwerk Akt.- Ges., F. April 20, 1929, [Convention date]. Rotary furnaces; preventing incrustation.- To prevent formation of incrustations in the preheating zone A of a rotary furnace the waste gases are throttled at the feed end of the kiln by dampers 4 adapted to control the full cross section of the kiln, and a part of the gases is withdrawn through openings 5 at the beginning of the reaction zone under such conditions that they do not contribute to the further heating of the zone A after leaving the furnace chamber. As shown the withdrawn gases are exhausted to the flue through passages 6 in the walls of the reaction and cooling zones B, C. The material to be treated may be preheated to a temperature of 600-800‹ C. befcre it is supplied to the furnace. Dampers 4' may also be fitted at the discharge end of the furnace. Specification 225,842, [Class 72, Iron &c.], is referred to.
Patent GB-1141047-A (GB)
Title: Improved hermetic enclosure and method of manufacture
IPC: C03C29/00
Filed: 1966-04-22
Abstract: 1,141,047. Glass to metal seals. CORNING GLASS WORKS. 22 April, 1966 [29 April, 1965], No. 17797/66. Heading C1M. [Also in Division H1] An hermetic enclosure-e.g. for semi-conductor diodes, transistors or silicon integrated circuits-consists of a metallic plate 12 with flanged sidewall portions 25 defining a cavity, and apertures in the base of this cavity are surrounded by collets 22 formed by material extruded from the plate. Resting on the plate is a body 14 of fusible non-conductive material with protruding bushes 26 which fit into the collets 22. Lead-out wires 28 for connection to the device or devices to be housed in the enclosure are passed through these bushes. The body 14 is fusion-sealed to the plate 12 and to the leads 28 and the enclosure is completed by a metallic cover 30 with flanges 32 which are sealed to the flanges 25 of the plate 22. The preferred material for the body 14 is glass, specifically a glass of the following composition: 57% (by weight) SiO 2 , 30% PbO, 8% K 2 O, 4% Na 2 O, 1% Al 2 O 3 . The preferred material for the metallic housing parts is copperclad mild steel and for the wires 28 a copperclad nickel-iron alloy, 'Dumet'. The thermal expansion coefficient of the steel is greater than that of the glass so after heating to seal the glass to the metal, the metal contracts more than the glass during cooling and so places the bushes in radial compression. The sealing is performed in a jig (not shown), preferably of boron nitride, which holds plate 12, body 14 and leads 28 in the required relative position. After the sealing step, and securing the devices to the leads, the cover 30 is sealed to the plate 12 by welding. Figs. 1 and 5 (not shown) depict plan views of two alternative forms of the plate 12, both of which provide more than one cavity for a glass body and associated leads, so that in each case a single mounting provides a plurality of separate enclosures.
Patent GB-312830-A (GB)
Title: Improvements relating to roller bearings
IPC: F16C33/60
Filed: 1928-06-20
Abstract: 312,830. Cooper Roller Bearings Co., Ltd., and Kay, S. June 20, 1928. Securing bearing rings on shafts.- A roller bearing sleeve 2 which is divided into two or more parts is secured to the shaft 1 by end rings 6. The latter have a rib 7 bearing on the shaft 1 and a flange 10 engaging a groove 4 in the sleeve 2, and are divided into two or more parts which are secured together by screws 11 which are inclined to the planes of division of the rings 6. The joints 3, 21 of the sleeve 2 and of the outer race ring 19, respectively, are inclined to the axes of the rollers. The spacing cage 18 for the. rollers is split diametrically.
Patent GB-1386119-A (GB)
Title: Display device comprising a matrix of direct current gas discharge  cells
IPC: H01J17/49
Filed: 1972-04-18
Abstract: 1386119 Gas discharge display panels PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 18 April 1972 [21 April 1971] 17863/72 Heading H1D Insulating films 31 and 35 covering crossed sets of parallel conductors 26, 27, 28 and 30 secured to a transparent first plate 25 and a second plate 29 of a D.C. gas discharge display device each have a matrix of holes 32, 33, 34 and 36, 37, 38 which lie at the cross-points of the conductors and define discharge cells. The conductors may be an alloy of nickel and chromium etched from a foil and secured to the plate by glass enamel. Alternatively the conductors may be provided by silkscreening, vapour deposition or sputtering. The films 31 and 35 may be of glass, and the holes may be square or circular. In an alternative embodiment (Fig. 3, not shown) each conductor is coated with a layer of conductive glass to provide a series resistor for each cell. The gas filling may consist of 300 torr of neon with 1 torr of hydrogen added to reduce deionization time.
Patent GB-1060232-A (GB)
Title: Tape take-up device
IPC: G06K13/26
Filed: 1964-04-30
Abstract: 1,060,232. Winding webs. ING. C. OLIVETTI & C. S.p.A. April 30, 1964 [May 30, 1963], No. 17996/64. Heading B6B. [Also in Division G5] A self-threading take-up spool for punched or other record tapes has a lower spool-check 7, frictionally driving a detachable core 6 at a peripheral speed greater than the linear speed of the tape 3 arriving from drive-rollers 4, a disc 23, integral with an upper dog-clutch member 12 normally engaged with teeth 11 on the lower cheek-centre 9 and an upper cheek 8, driven with some freedom of movement by dogs 16 rotating with the disc 23 and urged by springs 19 to slightly nip the width 25 of the incoming tape. The minimal peripheral velocity of the cheeks at the core diameter 6 urges the leading end of the tape inwardly to wrap itself about the core, the friction drive to the spool then accommodating the differing drive velocities at 4 and 9. The upper cheek and associated members rotate about a bearing in a cover-plate 14, which may be raised with the upper cheek to interchange the core 6 and the tape wound thereon. The assembly may also be used as a feed reel.
Patent GB-997216-A (GB)
Title: Improvements relating to machines for making of tufted fabrics
Inventor: LUND KENNETH ERNEST
IPC: D05C15/00
Filed: 1961-05-18
Abstract: 997,216. Tufting machines; tufted fabrics. SINGER COBBLE Inc. March 27, 1962 [May 18, 1961], No. 18089/61. Headings D1G and D1K. In a multiple-needle tufting machine a horizontal needle bar 18 is mounted in slides 3, for movement in a direction transverse to that of the work feed, carried by vertically reciprocating push rods 2. As shown, the needle bar is coupled by a connecting rod 15 to a bar 7 parallel to the needle bar and adapted to be reciprocated by a rotary cam 11 via spaced cam followers 13 carried by bar 7. It is stated that the needle bar may alternatively be reciprocated transversely by cams operating directly and alternately upon opposite ends thereof in the uppermost position of the needle bar. The cam may be designed to produce a pattern as shown in Fig. 6, in which adjacent lines 24 and 25 of stitching are displaced transversely at each stitch in a cyclical sequence. Specifications 735,019 and 910,605 are referred to.
Patent GB-1506628-A (GB)
Title: Centrifugal separators
IPC: B04B1/14
Filed: 1975-04-30
Abstract: 1506628 Centrifugal separator WESTFALIA SEPARATOR AG 30 April 1975 [27 July 1974] 18090/75 Heading B2P A centrifuge for clarifying liquids comprises a rotatable closed clarifying drum having a solids-liquid separating chamber 1 containing a stack of separating discs 2, lower and upper paring chambers 4, 7 in communication with the separating chamber 1, an annular duct 9 defined between the drum cover 24 and a plate 23 and leading from the separating chamber 1 to the lower paring chamber 4, a plurality of superimposed discs 13 positioned in the duct 9, first and second paring discs 3, 5 arranged in the lower and upper paring chambers 4, 7 respectively, the disc 3 being of greater diameter than the disc 5, paring ducts 10, 12 connected to the discs 3, 5 and communicating with each other via a detector 11 located outside the drum for detecting the flow of clarified liquid through the ducts and hence the level of separated solids in the separating chamber 1, and a third paring disc 6 located in the upper paring chamber 7 for leading off the clarified liquid. During operation, the paring disc 3 removes a small quantity of liquid from the separating chamber 1 via duct 9 and passes it through duct 10, detector 11, duct 12 and paring disc 5 into chamber 7 from which it is removed with the bulk of the clarified liquid by means of paring disc 6. The liquid removed via duct 9 is clarified by the discs 13. When a ring of solids reaches the inlet of the duct 9 the solids centrifuged out between the discs 13 aid in forming a plug. As the flow through the detector 11 declines, the latter passes a discharge pulse to a control device 15 via a pulse generator 14. The control device causes a valve 16 in a feed pipe 17 supplying control water to a discharge valve 18 to close, whereupon the valve 18 opens and control water in a closing chamber 19 for a piston-valve 21 is drained off. The piston-valve 21 moves downwards under the pressure of the drum contents and the separated solids are discharged through slots 22. When the time set on control drive 15 is at an end valve 16 is re-opened, valve 18 closes, chamber 9 is filled again and piston-valve 21 again moves into the closing position.
Patent GB-334937-A (GB)
Title: Improvements in signs
IPC: G09F13/14
Filed: 1929-06-13
Abstract: 334,937. Carter, W. June 13, 1929. Colour screens, reciprocating ; actuating and controlling. - A " daylight " sign of either the horizontal or the upright stencil type is provided with colour-changing or flickering means actuated by the staying or like motion of a carrying vehicle or mechanically, as by the opening and closing of a door. Two similar stencil plates 6, 7 are spaced apart to accommodate between them a slidable colour screen 10. The screen 10 is held between two sheets 8, 9 of glass &c. and the composite member is cushioned, when stopped, by spring stops, rubber buffers, &c. 12. Strips of felt &c. 11, 11<a> are disposed around the stencil openings of either the bottom or of both the plates 6, 7, and serve to support and clean the displayed portion of the screen as it moves. A sinuous opening may be formed in the stencils 6, 7 to give a travelling effect to the colours.
Patent GB-749697-A (GB)
Title: Improvements in the production of pseudo-sapogenin compounds
Inventor: HEWETT COLIN LESLIE
IPC: C07J75/00
Filed: 1953-06-30
Abstract: Pseudo-sapogenin esters are prepared from steroidal sapogenins or esters thereof by treatment with a mixture of a tertiary base and an esterifying agent at a temperature not exceeding 150 DEG  C., and in the presence of a hydrogen halide or a substance capable of yielding a hydrogen halide under the conditions of the reaction, e.g. phosphorus oxychloride, acetyl chloride, or thionyl chloride. The hydrogen halide can be provided as the hydrohalide of an organic base, particularly of the tertiary base used in the reaction, e.g. pyridine, quinoline, picoline, collidine or lutidine.  Specified esterifying agents are acetic, propionic, butyric and succinic anhydrides and the corresponding acid halides; and specified starting sapogenins are diosgenin, hecogenin, sarsasapogenin, chlorogenin, rockogenin and tigogenin, and their esters, especially formates, acetates, propionates, butyrates, benzoates, and trichloroacetates. In examples (1) diosgenin acetate is refluxed with pyridine and benzoyl chloride to yield pseudo-diosgenin 3-acetate - 26 - benzoate, which is then oxidized with chromic acid to D 5,16-pregnadien-3-ol-20-one, and also saponified with alcoholic potassium hydroxide to the free diol, which is then isomerized to diosgenin with hydrochloric acid in alcohol; (2) hecogenin acetate is refluxed with acetic anhydride and pyridine containing hydrogen chloride to yield pseudo-hecogenin diacetate; (3) diosgenin in pyridine is heated with propionic anhydride and methylamine hydrochloride, and the resulting pseudo-diosgenin dipropionate separated from its mixture with diosgenin propionate using acetone; (4) pseudo-diosgenin diacetate is prepared as in (1) by refluxing diosgenin with acetic anhydride and various tertiary bases, the hydrogen halide being supplied by use of thionyl chloride, phosphorus oxychloride, concentrated hydrochloric acid, acetyl chloride, hydrobromides of ethylamine, aniline, and diethylamine, or hydrochlorides of pyridine, methylamine diethylamine and trimethylamine.