baber/WOPTO huggingface dataset:
Patent GB-333165-A (GB)
Title: Improvements in the manufacture and production of vat dyestuffs containing halogens
Filed: 1929-04-22
Abstract: 333,165. I. G. Farbenindustrie Akt.- Ges., and Johnson, J. Y. April 22, 1929. Addition to 287,050 and 287,845. Halogen - 4 : 5 : 8 : 9 - dibenzopyrene - 3 : 10- quinones differing from the dyestuffs of the parent Specifications, and which dye cotton more reddish, brilliant shades than the unhalogenated initial material are obtained by allowing halogens or agents supplying halogens to act on 4 : 5: 8 : 9- dibenzopyrene-3 : 10-quinone, or derivatives thereof other than iodo derivatives, in the presence of organic solvents or diluents, or in aqueous suspension, or in the absence of solvents, and preferably in the presence of halogenating catalysts. As solvents may be used nitrobenzene, halogenbenzenes, nitronaphthalenes and the like, and as catalysts, iron, copper, mercury, antimony sulphur, iodine, or mixtures thereof, such as iron and iodine. Halogenation may be carried out with free halogens, sulphuryl chloride, phosphorus oxychloride, or compounds such as chloriodine and bromiodine. According to examples, 4: 5: 8: 9 - dibenzopyrene-3 : 10 - quinone is treated with (1) sulphuryl chloride, in presence of iodine, in nitrobenzene, to give a monochloroderivative; (2) bromine, in presence of iodine and antimony, in nitrobenzene. to give a monobromo derivative, the product being subsequently treated with sulphuryl chloride to give a chlorobromoderivative, or by bromination of the initial material at a higher temperature a dibromo-derivative is obtained; (3) chloroiodine in nitrobenzene to give a red product, or with bromoiodine in a similar manner; (4) bromine, in presence of iodine, to give a bromo-derivative, a current of chlorine to give an analogous chloro-derivative; (5) phosphorus oxychloride in presence of iodine, to give a chloro-derivative, or sulphuryl chloride, or benzotrichloride, or phosphorus tribromide to react in a similar manner; (6) sulphuryl chloride in presence of iodine and sulphur, in nitrobenzene to give a dichloro product, and by further bromination to give a dichlorodibromo-product, and larger quantities of sulphuryl chloride to give a trichloro-derivative; (7) bromine in presence of aqueous caustic soda and iodine to give a bromoderivative; monochloro-4 : 5 : 8 : 9-dibenzopyrene- 3: 10-quinone obtained as in Example 1 is treated with bromine in presence of iodine in nitrobenzene to give a bromochlor derivative; and monobromo - 4: 5: 8: 9-dibenzopyrene-3 : 10-quinone obtained as in Example 2 is treated with chlorine in trichlorobenzene to give a bromochloro derivative and at a higher temperature to give a chloro derivative with elimination of bromine, and on treatment with sulphuryl chloride in presence of iodine, in nitrobenzene to give a bromochloroderivative; nitro-4 : 5 : 8 : 9-dibenzopyrene-3 : 10- quinone obtained by treating 4 : 5 : 8 : 9-dibenzopyrene-3: 10-quinone with nitric acid, gives a mono-chloro-derivative on treatment with chlorine in trichlorobenzene.
Patent GB-167289-A (GB)
Title: Improvements in furnaces burning powdered fuel
IPC: F23C99/00
Filed: 1920-05-05
Abstract: 167,289. Armstrong, Whitworth, & Co., Ltd., Sir W. G., Trevelyan, F. B., Andrew, J. H., and Miller, C. P. May 5, 1920. No Patent granted (Sealing fee not paid). Pulverulent-fuel furnaces.-In a furnace of the type in which powdered fuel and air are projected along a flat roof 1 and deflected by a rounded rear wall 3 so as to travel backward over the hearth and heat the incoming air and fuel, the furnace chamber is of wedge shape, tapering towards the front at 4 to constitute a narrow opening 5 by which waste gases escape to the flue 6. In modifications two relatively inverted furnace units are superimposed, the hearths being omitted, or two units may be placed end to end, the lower parts of the common rounded ends being removed.
Patent GB-167292-A (GB)
Title: Improvements in or relating to methods of reconstructing or reinforcing pneumatic tyre-covers
IPC: B29C73/12
Filed: 1920-05-05
Abstract: 167,292. Taylor, W. C. May 5, 1920. Puncture-closing and other repair devices.-A reconstructed tyre is formed by removing the securing this band inside a second worn cover A securing this band nside a second wodn cover A from which the exterior rubber has been removed, applying the necessary rubber C for the new tread and vulcanizing.
Patent GB-528015-A (GB)
Title: Improvements in or relating to reciprocating pumps for delivering liquid
IPC: F04B9/02
Filed: 1939-04-26
Abstract: 528,015. Reciprocating pumps. DUNLOP RUBBER CO., Ltd., BEHARRELL, G. E., WRIGHT, J.. and TREVASKIS, H. April 26, 1939, No. 12503. [Class 102 (i)] A pump, particularly for use in de-icing aircraft, comprises a rotor 20 having a camgroove 21 co-operating with rollers 22 on a pair of hollow pistons 19 mounted in cylinders 27 in the pump body 3. The cylinders and pistons are provided with spring-urged disc-valves 25, 30. During the in-stroke of each piston, the associated valves 25, 30 open and close, and liquid passes through ports 24 in the rotor and enters the pistons and cylinders, whilst on the out-stroke, the valves 25, 30 close and open, and liquid is forced through outlets 28. The pump is preferably driven through reductiongearing by an electromotor, these being in the form of separate units, and a partition 15 between the pump and gear-housing being formed with an inlet leading to a groove 18 which communicates with the ports 24.
Patent GB-684070-A (GB)
Title: Improvements in the production of internally toothed rings for gear pumps
IPC: B23F15/08
Filed: 1951-05-29
Abstract: 684,070. Grinding gear-teeth. KLATTE, T., (trading as KLATTE, T., [Firm of]). May 29, 1951 [Oct. 15, 19481, No. 12595/51. Class 60. [Also in Group XXII] A machine for cutting internal teeth in the toothed ring of a gear pump, of the kind in which a spur wheel rolls round within a toothed ring which is mounted eccentrically of the spur wheel, comprises a chuck 2 for the workpiece 1 mounted on a journal 4 offset from the axis of a shaft 3 by the amount of the eccentricity e, rotary movement, additional to that of the shaft 3, being superposed on the chuck by a planet drive 6, 7. The milling cutter or grinding wheel 11 has a profile corresponding to that of a tooth of the spur wheel and is adjustable transversely and axially of the workpiece 1. The planet wheels 6, 7 are carried round with the shaft 3 and are rotated by a fixed gear 10.
Patent GB-1196363-A (GB)
Title: Machine for Setting Up and Closing Cartons
Inventor: BIVANS ELBERT LITTON
IPC: A61K31/34
Filed: 1968-03-15
Abstract: 1,196,363. Setting-up and closing cartons. BIVANS CORP. 15 March, 1968, No. 12615/68. Headings B8C and B8A. In a machine for setting up and closing cartons, cartons in flat form are opened by contacting an abutment whilst being transferred from a magazine on to a continuously driven conveyer. Folded carton blanks, from a stack 38, Fig. 6, in a magazine 10, urged forward by a slide 34, see also Fig. 4 (not shown), are opened by a fixed abutment 63, Fig. 1, engaging the side 64, Fig. 2, as the blanks are transferred by suction discs 41, Fig. 6, to between the fingers 205 of a continuously moving conveyer 200. The suction discs 41, on an arm 42, are moved with the conveyer as well as to and from the magazine by cams 60 and 53 through linkage arms 40, 44, 47, 48, 55. When the opened-up carton is on the conveyer, the top flap 8, Fig. 10, of the carton is guided by a plate 128 into engagement between plates (126), (127), Fig. 13 (not shown), of a guide 125. The cartons, suspended from these plates and engaged between fingers 205, have their bottom flaps closed. An oscillating finger 103 wipes the trailing flap 3 down, and fixed fingers 115 and 116 close the leading flap 4 and base flap 2 respectively. Three blades 78a, 78b, 78c on a reciprocated arm 75 tuck in the base tab 5. The base is now supported and the top flaps released to be closed by similar mechanisms (80) and (110), Fig. 11 (not shown), to those for the bottom flaps after a filling operation (not described). A higher speed discharge conveyer 90 removes cartons beneath a hold down belt 94. Adjustments.-The magazine and conveyerpocket widths are adjustable for different carton sizes, the conveyer having two relatively movable chains each carrying alternate fingers 205 in the usual manner. The heights of the top folders and guide 125 and of the conveyer itself are also adjustable.
Patent GB-353086-A (GB)
Title: Improvements in tunnel kilns
IPC: F27B9/08
Filed: 1930-04-24
Abstract: 353,086. Tunnel kilns. WOODALLDUCKHAM (1920), Ltd. and DUCKHAM, A. M., 136, Victoria Street, London. April 24, 1930, No. 12682. [Class 51 (ii).] In a tunnel kiln of the muffle type the firing of the goods is assisted by passing into the tunnel air which has been heated in flues G alternating with combustion flues I<1> in the walls of the kiln. Air which enters the unloading end of the kiln is withdrawn through ports in the walls of the tunnel by a suction device, and passed through the duct A, side wall flues B, and distributing flues D<1>, to the vertical heating-flues G. The air enters the tunnel by the ports G<1> and is exhausted through distributed damper-controlled ports L in the preheating zone.
Patent GB-1263506-A (GB)
Title: Photographic shutter
Inventor: WELZEL HERBERT
IPC: G03B9/34
Filed: 1969-03-11
Abstract: 1,263,506. Photographic shutters. KOMBINAT VEB PENTACON DRESDEN KAMERAUND KINOWERKE. March 11, 1969, No. 12700/69. Heading G2A. A photographic sliding plate shutter has blades 3, 4 formed of thin, flexible material and slidable between curve guide surfaces 1, 2. Blade 4 has an exposure aperture 7. Each blade carries a pin 17, 13 for engagement with spring-loaded levers 14, 10. Lever 14 is held against movement by a blocking lever 20 engaging an arm 18 of lever 14. The exposure is started by operation of blocking lever 20, and terminated by actuation of lever 10 after a time delay determined by an escapement mechanism (not shown). One of the guide surfaces may also act as a film running surface.
Patent GB-201653-A (GB)
Title: Improvements in or relating to calculating devices
IPC: G06G1/00
Filed: 1922-05-05
Abstract: 201,653. Bicknell, R. S. May 5, 1922. Slide rules. - A device for use in finding the price of clean wool per pound when the cost of grease wool and the percentage loss of weight during the process of cleaning are known, comprises an envelope 1 of celluloid having an elongated central aperture 11 on each side along the edges of which are marked graduations 13, 15 representing the prices of grease wool, and a slide 3 fitting within the envelope, thumb-notches 5 being provided so that the slide may be grasped and moved. Graduations 19 on each side of the slide representing the percentage shrinkage of wool are visible through the apertures 11, and a scale representing the prices of clean wool is arranged in parts 33, 39, 45, 51 so as to be visible through apertures 35, 41, 47, 53 respectively, the rest of this scale being similarly arranged on the reverse side of the slide, to be viewed through similar apertures. In use the graduation representing the percentage shrinkage is brought opposite the price of the grease wool, when the price of the clean wool will be read opposite an index in one of the small apertures. The scales that are read together may be coloured similarly, i.e. scales 13, 33, 39 may be red while 15, 45, 51 are black.
Patent GB-310421-A (GB)
Title: Improved method of and apparatus for making hollow glassware
IPC: C03B9/38
Filed: 1929-04-24
Abstract: 310,421. Eckert, F. April 25, 1928, [Convention date]. Blowing.-In the manufacture of bottles or other hollowware, air is blown into the interior of an article during its formation in the moulds in order to cool the glass internally in addition to the external cooling which is effected by contact with the moulds and by exposure to the air. Apparatus for carrying out the process comprises a blowhead 11 secured to the lower end of a tube 12 which is moved vertically by the piston 13 of a pneumatic cylinder 15. Another tube, 23, passes through the tube 12 and projects below the blowhead 11. The upper end of the tube 23 is connected by a flexible pipe 25 with a valve chest 24 which controls the admission of compressed air to the pipe. When the blowhead 11 is lowered on to a mould 9, an arm 30 on the tube 12 opens the valve 24 and allows air to blow through the tube 23 into the interior of the parison contained in the mould. A spring-loaded ball valve 33 allows the air to escape through passages 32 in the blowhead, the pressure in the valve 33 being adjusted to delay the escape of air until the required pressure has built up within the parison. The blowhead may thus be used for expanding the parison within the mould as well as cooling it internally. Two or more of such blowheads may be used in connection with a double-table forming-machine. Specification 310,422 is referred to.
Patent GB-167568-A (GB)
Title: An improvement relating to positive electrodes for electric accumulators
IPC: H01M4/23
Filed: 1920-05-08
Abstract: 167,568. Pouchain, A. May 8, 1920. Electrodes.-Lead-peroxide plates of storage batteries are treated to preserve their charge when in a dry state. The treatment consists in subjecting the formed electrodes to the action of a current in a bath of dilute sulphuric acid containing ammonium sulphate. The electrodes are made the anode, and the bath may constitute the electrolyte in which the electrodes are charged, or a separate bath may be used. The amount of ammonium sulphate present may be from 5 to 10 per cent up to saturation. After the treatment, the electrodes are removed and dried.
Patent GB-1180305-A (GB)
Title: Improvements in and relating to Butterfly Valves
Inventor: KITAZAWA KAZUO
IPC: F16K1/22
Filed: 1968-03-18
Abstract: 1,180,305. Valves. K. KITAZAWA. 18 March, 1968 [20 Oct., 1967], No. 12941/68. Heading F2V. In a butterfly valve, the closure member 8 is formed from two discs 9 which are smaller in diameter than the internal diameter A of the cylindrical valve casing 1 and which have disposed therebetween, and projecting therefrom, an annular elastomeric packing 12. A pair of U-shaped shaft receiving members 10 are secured to the outer face of one of the discs 9 in diametrically opposite positions and adjacent the disc periphery and serve to define, with the disc face, rectangular spaces 11 which are adapted to receive similarly shaped, rectangular, but smaller in width, disc engaging shaft portions 7<SP>11</SP> and 15<SP>11</SP>, the former of which portions is bevelled at 7<SP>111</SP> to facilitate assembly of the valve closure member and shafts. In operation, the valve closure member may be displaced in relation to the shafts 7 and 15 thereby permitting a fluid-tight seal to be established between the cylindrical inner periphery 1<SP>1</SP> of the valve casing and the closure member when the latter is moved to its closed position, such displacement being made possible by virtue of the difference in size of the spaces 11 and the shaft portions 7<SP>11</SP> and 15<SP>11</SP>.
Patent GB-611448-A (GB)
Title: Improved electric motor driven screw and nut mechanism
IPC: G05G15/04
Filed: 1946-04-30
Abstract: 611,448. Control of motors. GENERAL MOTORS CORPORATION. April 30, 1946, No. 12968. Convention date, May 1, 1945. [Class 38 (iii)] [Also in Group XXX] In a screw-and-nut mechanism adapted to be driven by an electric motor to transfer a load from one selected position to another, and having a control device which stops the motor when the load has been transferred, the mechanism comprises a torsion rod rotatable by the motor with the screw shaft and adapted to be held from rotation at one end by lugs or the like when in its limiting positions, the twisting of the bar consequential to said holding involving a relative rotation between the screw shaft and part fixed to and held at the end of the rod and thereby effecting an axial movement of a switch-actuating yoke. The screw-and-nut mechanism, adapted to be driven through hypocyclic gearing by an electric motor 20, Fig. 1, controlled by switches 125, 126, Fig. 5, has a torsion rod 90, contained in a tube 87, secured at one end to the screw shaft 60 and at the other to an abutment member 85, Fig. 2, which rod is rotatable with the screw shaft and adapted to be held from rotation by lugs 95, 97, on the member 85, which engage lugs 96, 98, Fig. 3, attached to the nut 70, when the latter is in its limiting position. The twisting of rod 90 consequential to said holding causes relative rotation between the screw shaft 60 and the free end of tube 87 which has a collar 80, Figs. 1, 5, having a worm gear 81 meshing with pinions 82 which also mesh with the yoke 106 in such a manner that said relative rotation effects gyration of pinions 82 and consequent rotation thereof on their axes causes axial movement of the yoke 106 which actuates switches 125, 126 by means of lever arm 131. In a modification, the mechanism may be locked in a retracted position by engagement of lugs 97, 98 by an externally operated member 101, Figs. 2, 3. In a further modification, the mechanism may be manually operated by a chain-and-sprocket mechanism (not shown) which rotates the ring gear 47, Fig. 1.
Patent GB-815335-A (GB)
Title: Improvements in or relating to processes for the manufacture of alloy type semi-conductor rectifiers and transistors
Inventor: BLANKS HENRY STANLEY
IPC: C30B31/04
Filed: 1956-04-27
Abstract: 815,335. Semi-conductor devices. MARCONI'S WIRELESS TELEGRAPH CO. Ltd. Jan. 24, 1957 [April 27, 1956], No. 12990/56. Drawings to Specification. Class 37. An alloy junction device is formed by superposing sheets of support metal and activator metal of the same size and shape, heating in vacuo to cause the activator metal to wet the sheet of support metal and then allowing it to solidify in the form of a layer with a convex surface, placing the composite sheet convex face downwards on a wafer of semi-conductor material and heating the assembly to alloy the activator metal with the semi-conductor. In one embodiment a clean sheet of indium is fused to a nickel supporting sheet by heating to 500‹ C. in hydrogen. After cooling the indiumcoated sheet is placed convex face downwards on a wafer of germanium mounted on a pretinned base tab. A further thin sheet of indium is then laid on top of the indium-coated sheet and the assembly heated in two stages as in Specification 797,687. In the first stage, carried out in vacuo or inert gas, the indium wets the germanium. Oxygen is then introduced to form an oxide film on the indium before the assembly is heated to a higher temperature at which the indium forms an alloy junction with the germanium. The advantage of the method is that it allows close control of the junction contours without recourse to expensive locating jigs, and allows free flow of inert gas about the indium germanium junction during alloying.
Patent GB-748116-A (GB)
Title: Fluid pressure-actuated apparatus
IPC: F15B21/08
Filed: 1954-05-05
Abstract: 748,116. Forging-machines. CHAMBERSBURG ENGINEERING CO. May 5, 1954 [July 27, 1953], No. 13063/54. Class 83 (4). [Also in Group XXVI] Fluid pressure-operated apparatus, particularly a forging press, comprises a ram 12 operable through a work stroke by pressure fluid supplied at high velocity through a conduit 14 and through a return stroke by pressure fluid supplied through a conduit 19, and normally inoperative means 47, 45 are provided for supplying pressure fluid at low velocity to the ram for operating it slowly when desired. The apparatus is preferably of the kind described in Specification 672,070 having a pair of opposed rams carrying forging dies 13 and operated by compressed air supplied on the working stroke through conduit 55, valve 54, check valve 52, conduit 14, inlet valve 17 and port 16. For initiating the working stroke, compressed air is admitted to the end of the cylinder 11 through valve 42 and port 41. Valve 42 permits air to be trapped in the end of the cylinder to cushion the ram on its return stroke. The inlet valves 17 and also exhaust valves 18 for both rams are actuated by compressed air controlled by a valve 21 operated by a solenoid 23. A differential control valve 30 is used for relative adjustment of the opening of the two inlet valves. Valve 54 has a valve member 56 opened manually by raising an arm 58 loaded by a counterweight 61 and is retained in its open position by a latch 64 actuated by a solenoid 69. The return stroke of the rams is controlled by a valve 35 actuated by a solenoid 24. Cyclic control apparatus 25 in the circuit of the solenoids 23, 24 provides automatic operation of the press. For moving the rams slowly, a solenoid 46 is energized through a relay which automatically de-energizes the solenoid 69, thus moving the valve member 56 to exhaust position. Solenoid 46 opens valve 47, thus admitting compressed air through conduit 45, restriction 50 and port 41 to the cylinder 11. The normal working operation of the press cannot commence until valve lever 58 is raised manually and this ensures against accidental starting of the press.
Patent GB-1204444-A (GB)
Title: Improvements in or relating to electromagnetic stepping motors
IPC: H02K37/08
Filed: 1968-03-18
Abstract: 1,204,444. Electric stepping motors. FUJITSU Ltd. 18 March, 1968 [17 March, 1967], No. 13079/68. Heading H2A. In an electromagnetic stepping motor having a shaft 10 and a plurality of similar phase units A.. . E each comprising a rotor having a boss 7a mounting it on the shaft and radially extending polepieces 8a in a planar air gap L between concentric mutually facing polepieces 5a, 5a<SP>1</SP> arranged in annular arrays in two stator cores 1a, 1a<SP>1</SP> the number of polepieces on each equalling that of the rotor, the rotors are constrained to rotate with the shaft yet remain axially fixed relative to the stator cores, and there is limited freedom of relative axial movement between the shaft and rotors. This is to minimize the clearances g between the rotor and stator polepieces and is achieved by clamping the rotors between thrust bearings 11, 12 providing no axial play, mounting the shaft in bearings 13, 14, and keying the shaft to the rotors such as to permit the relative axial movement; such keying may be by keys, a spline coupling, or as shown by providing complementary polygonal bores and sections on the rotors and the shaft. The five stators are excited by coils 3a ... 3e, their respective polepieces are by a key and slots circumferentially shifted by <SP>1</SP>/ 5  of a pole pitch whilst those of the rotors are axially aligned, and the units may be magnetically separated by non-magnetic spacers 2a, 9a, 9a<SP>1</SP> &c. Instead of providing the latter spacers, the bosses 7a &c. may be non- magnetic.
Patent GB-131234-A (GB)
IPC: E06B3/99
Abstract: 131,234. Marks, E. C. R., (Truscon Steel Co.). Feb. 11, 1919. Window frames.-In assembling metal sashbars or the like, one of the intersecting bars is provided with a notch cut through the webs 1, 5 and flanges 3, leaving only a small uncut portion of the web 1 to be accommodated in a small notch cut in the web 2 of the second bar when the bars are assembled 'bv sliding the first bar transversely over the second bar. The portions of the first bar on either side of the web 2, 6 of the second bar are connected together by tenons 14 cut from the flanges 3 of the first bar and mortices 8 cut in the flanges 4 of the second bar. Small tongues may be set up from the front of the notch cut in the first bar which tongues are turned down into a small notch cut in the web 6 to cause the frame to be rigid when assembled.