baber/WOPTO huggingface dataset:
Patent GB-850618-A (GB)
Title: Improvements in or relating to stereoscopes
IPC: G02B27/22
Filed: 1958-03-14
Abstract: 850,618. Stereoscopic apparatus. LIBRAIRIE HACHETTE. March 14, 1958 [March 14, 1957; March 11, 1958], No. 8322/58. Class 97(1) In a stereoscope, a claw-feed arrangement operates through slots in a plate against which film having two marginal rows of perforations is held by an apertured presser plate. As shown, in a stereoscope having eye pieces 33 and inclined mirrors in a casing at 5 and 6, manually operated lever 70 is pivoted about screw 76 and carries plates 50 and 60 by means of screw 81 fixed in tapped hole 71. When plate 60 is tilted by boss 69 of lever 70 engaging either of tongues 64, either the upper or lower pair of teeth 61 move into engagement with the film perforations 10. In the tilted positions of plate 60 extension 82 lies in contact with the periphery of opening 54. When plates 50 and 60 and lever 70 are moved upwardly by return spring 85, extension 82 is kept in the centre of opening 54 by engaging the under side of spring arm 58. Plate 60 is thus not tilted (Fig. 7, not shown) and teeth 61 do not engage the film perforations. When lever 70 is moved downwardly to feed film 9, plate 60 is tilted (Fig. 6, not shown) and the lower pair of teeth 61 remain in engagement with a pair of film perforations during the downward movement. A resiliently urged film presser plate (Fig. 1, not shown) is provided.
Patent GB-1386655-A (GB)
Title: Two-rail suspended railway with linear induction motor propelled  vehicle
IPC: E01B25/24
Filed: 1972-02-23
Abstract: 1386655 Suspended electric railway ARN JUNG LOKOMOTIVFABRIK GmbH 23 Feb 1972 [24 Feb 1971] 8391/72 Heading B7L A suspended railway comprises two rails 310 and 311, Fig. 3, on which a vehicle 315 with a wheel-carrying chassis 302 may run, when driven by a linear induction motor of which either the inductor 314 or the reaction rail 304 (the latter as shown in Fig. 3), is mounted on at least one swing frame 303 pivotably connected to the chassis 302, the swing frame 303 being guided, such as by horizontal guide rollers 305 and 306 co-operating with the track bearer or structure 309 which supports the rails 310 and 311 so as to position the reaction rail centrally within the gap of the inductor at all times. The plane of guidance 316 of the swing frame, i.e. the horizontal plane in which the guide rollers 305 and 306 (which preferably have treads of resilient material such as rubber), interact with the track structure 309, lies substantially at the mid-height of the inductor 314. The pivotable connection between the swing frame and the chassis, not shown in Fig. 3, may comprise several normally vertical swing supports 503- 506, Fig. 5 (in which example the inductor 507 is mounted on the swing frame 502), or pins in bores 605, 606, Fig. 6, parallel to the direction of vehicle travel which are vertically displaced from the plane of guidance. Vehicles like that described may be joined by preferably resilient articulation joints, between their swing frames or between their chassis, to form trains.
Patent GB-1117160-A (GB)
Title: A process for the manufacture of 17-ethylidene-steroids
IPC: C07D317/72
Filed: 1967-02-22
Abstract: Carbocyclic 17-ethylidene steroids or 17-ethylidene - des A - steroids are obtained in a process which comprises reacting a carbocyclic 17-oxo-steroid or 17-oxo-des A-steroid (in which all oxo groups other than the 17-oxo group are protected) with a phosphorus compound of the formula <FORM:1117160/C2/1> wherein each of the symbols R1 and R2 represent a C1-C5 alkyl or phenyl (C1-C5 alkyl) group or the symbols R1 and R2 together represent a tetramethylene, pentamethylene or 3-oxa-pentamethylene group and each of the symbols R3 and R4 represents a phenyl or substituted phenyl group or grouping of the formula <FORM:1117160/C2/2> Specified phosphorus compounds are ethylidenetris - (dimethylamino) - phosphorane, ethylidene - bis - (diethylamino) - phenyl - phosphorane, and ethylidene-diethylamino-diphenyl phosphorane.  Any 17-oxo-steroid or 17 oxo-des A steroid may be employed irrespective of the stereoconfiguration of the rings therein.  Phosphonium salts of the formula <FORM:1117160/C2/3> wherein R1, R2, R3 and R4 are as defined above and X is iodine are obtained by treating the appropriate NR1R2 - diphenyl-, bis - (NR1R2)-phenyl- or tris-(NR1R2)-phosphine with ethyliodide. Treatment of these salts with an acid binding agent yields the phosphoranes mentioned above.
Patent GB-216267-A (GB)
Title: Improvements in guards for drop-stamps and other machinery
IPC: F16P3/06
Filed: 1923-03-26
Abstract: 216,267. Brooks & Co., Ltd., J. B., and Hawkes, A. March 26, 1923. Guards for drop stamps, power presses, &c. A reciprocating tool 6 or a projection thereon or a part carried thereby engages a lever 8 turning on a fixed pivot 9, which lever spans the working space and is connected directly by a link 7 or by pin-andslot means to a guard 1 sliding on guides 2 against the action of a spring 11. The guard may be supported by a free link, the guides being dispensed with The lever 8 may be actuated on both sides by lugs on the tools, so that the spring 11 may be dispensed with.
Patent GB-433885-A (GB)
Title: Improvements in or relating to driving mechanism for rotary printing machines
IPC: B41F13/00
Filed: 1934-03-17
Abstract: 433,885. Driving printing-machines. QUICK, C. G., BENNETT, T. R., and BALL, D. A., 109, Borough Road, London. March 17,1934, No. 8476. [Class 100 (ii)] A driving - mechanism for a multiunit rotary printing- machine comprising a number of printing and perfecting couples 1, 2, each unit of which is fitted with a main or fullspeed motor and an inching - motor 3, 4, the units being synchronized by a shaft 7 to which each unit is geared, is constructed with a driving-sprocket 6 for each unit capable of being coupled by means of three screw pins 8 to apertures in a flange 9 of a bevel gear 10 geared to a bevel gear 11 on the driving- shaft of the unit. The wheel 10 is normally connected to the shaft 7 by means of a sliding clutch 20 splined to the shaft 7 and operated by a slipper and a crank-pin 23 on a shaft rotated by bevel gearing from a shaft 28. The clutch is of the form described in Specification 333,287, [Class 100 (ii)]. When the clutch is disconnected from the shaft 7 a switch is operated to cut out the main motor. When the motor of one unit is disconnected by uncoupling the pins 8, the motor can be driven for testing purposes without effecting its unit. By means of the clutch 20 however any unit can be driven from the synchronizing shaft 2 if other motors are coupled up to the shaft 7. Needle bearings are arranged between races 13, 14 arranged in a boring in the wheel 6 and on a boss extension 15 of the wheel 10, and similar bearings are also arranged between races 17, 18 secured to a sleeve 16 connected to the shaft 7 and to a boring in the wheel 10 and boss 15 through which the sleeve 16 is passed. The mountings of the wheel 6 also include means for taking end thrust and to permit of lubrication.
Patent GB-712549-A (GB)
Title: Improvements in or relating to jacquards
Inventor: HARDAKER HAROLD
IPC: D03C3/24
Filed: 1952-04-03
Abstract: 712,549. Jacquards. HARDAKER, Ltd., J. T. Feb. 10, 1953 [April 3, 1952], No. 8527/52. Class 142(2) A twelve-colour jacquard for Axminster gripper type looms has vertical needles 9 which are lifted by the pattern cards and engage main needles 2 adapted to be moved endways by press bars 7 of a press frame 6. When a needle 2 is pushed by a press bar 7, it moves a corresponding poker element 14 which pushes the appropriate peg 21 on a selector bar 22 so that it is projected to be engaged by the lifter bar 23. Any poker elements which have been moved will have abutments 20 engaging a return plate 18 which is connected by rods 19 to the press frame 6. On the return movement of the press frame the plate 18 positively returns the poker elements and their associated needles 2 to their normal positions.
Patent GB-609645-A (GB)
Title: Improvements in stocking mending machines
IPC: D04B17/04
Filed: 1946-03-19
Abstract: 609,645. Sewing. SAGNIER, M. March 19, 1946, No. 8539. Convention date, May 21, 1943. Drawings to Specification. [Class 112] A machine for repairing hosiery comprising a hand-held re-looping needle reciprocated by a flexible drive from an electric motor has a hollow work support on the motor casing. The drive includes an adjustable eccentric to enable the stroke of the needle to be varied. The Specification as open to inspection under Sect. 91 describes also an electric control system in which the usual pedalcontrolled rheostat is supplemented by an adjustable resistance. This subject-matter does not appear in the Specification as accepted.
Patent GB-434464-A (GB)
Title: An improved machine for the manufacture of string, twine or cord
IPC: D07B3/00
Filed: 1935-03-19
Abstract: 434,464. Machines for making cords &c. TENFJORD, K. H., Tenfjord, Alesund, Norway. March 19, 1935, No. 8619. Convention date, March 20, 1934. [Class 109] In a machine for making string, twine, or cord from hemp thread, the threads are twisted into strands by being carried by the frames 5, 6, which rotate about the cradles 10, 11 carried thereby, and the strands 29 are passed through the hollow driving shaft 3 and are twisted together by being passed together over a rotating arm 3. The string, &c. is wound up on a pulley 35 which is driven by a friction coupling 40, 41 from the shaft 3. The cradles 10, 11 are held stationary within the frames 5, by weights 19, 20.
Patent GB-592494-A (GB)
Title: Process for the catalytic conversion of hydrocarbons
IPC: C10G11/18
Filed: 1944-05-08
Abstract: Heavy hydrocarbon oil containing unvaporisable material, such as inorganic salts, is separated into gas oil and a residual fraction and the two fractions are submitted to catalytic cracking in separate zones, the cracking temperature for the residual fraction being higher than that for gas oil whereby the former is completely converted to vapours and coke; the spent catalyst from the gas oil cracking is regenerated and at least some of this regenerated catalyst is then used for cracking the residual fraction.  Crude oil, introduced to still 12 through line 10, is separated into gasoline, heavy naphtha, <PICT:0592494/III/1> gas oil and bottoms.  Liquid gas oil (boiling range between 450 DEG  and 850 DEG F.), withdrawn through line 18, is mixed with hot regenerated catalyst from standpipe 28 and sent via line 34 to reaction zone 38 in which a temperature of 875 DEG  to 900 DEG F. is maintained.  The catalyst, separated from reaction products in cyclone 48, passes through standpipes 54, 62 into regenerator 72, is separated from regeneration gases in cyclone 82 and then passes to standpipe 28.  The bottoms from still 12 are introduced into fractionating tower 98 where they are heated directly by the reaction product vapours from cyclone 48. The residual fraction withdrawn from the base of the column 98 through line 114, is mixed with regenerated catalyst from both standpipes 28 and 116, partly vaporized and coked in coil 122 and then introduced into reaction zone 128 where a temperature of 950 DEG to 1050 DEG F. is maintained and the residual oil is completely converted into gasoline, gas oil and coke.  The catalyst is separated from the gaseous products in cyclone 135 and the products are passed to tower 98 via lines 142, 144 and 50.  The separated catalyst passes through standpipe 148 and a portion is removed from the system through line 158, fresh make-up catalyst being introduced into the system through line 174 connected to regenerator 72.  The portion of the spent catalyst not withdrawn through line 158 is regenerated in zone 178, separated from regeneration gases in cyclone 186, and introduced into standpipe 116.  Dense phase operation may be applied in the reaction zones and regenerators.
Patent GB-556347-A (GB)
Title: Improvement in gear finishing machines
IPC: B23F19/06
Filed: 1942-06-25
Abstract: 556,347. Gear cutting. FELLOWS GEAR SHAPER CO. June 25, 1942, No. 8739. Convention date, July 1, 1941. [Class 83 (iii)] In a machine for finishing gears with a crowned form of tooth by shaving or lapping wherein the gear and a conjugate gear-like tool are rotated in meshing relation, the gear is mounted on a table which is oscillated about an axis transverse to the gear and tool axes to produce the crowning by means of a reversible motor with timed reversing mechanism. The machine is generally similar to that described in Specification 537,891, the work gear being supported between centres 1, 2, on a table 5 pivoted on a vertical axis 20 which is offset from the tool axis and preferably intersects the line of centres 1, 2. The tool T, which may be either a shaving or a lapping tool, is mounted in an angularly adjustable head 7 on a carriage 8 which reciprocates on ways on a depth-feed slide 10. The head 7 is adjusted around a horizontal axis intersecting the tool axis to permit the meshing of tool and work gears of different helix angle. The means for driving the tool gear and feeding it to depth may be as described in Specification 537,891. The carriage is reciprocated from a reversible motor 15 through gears 16, 17, shaft 18, gears 19 and screw 13. If the work table is set with the line of centres parallel to the tool path, uncrowned gears may be finished. The work may also be adjusted axially so that if desired unsymmetrical crowning may be obtained. Oscillation of the table is effected by a motor 31 connected by gears 34 to a screw 23 mounted at one end in a bearing 24 and at the other, carried in a nut 22 suspended from a bracket on the table by a pivot 27. The oscillations of the table are limited by adjustable screw stops 36, 37, Fig. 5. Both motors are controlled by a cam disc 48, Fig. 1, driven through worm gearing 43 from an extension of the carriage lead screw. The disc carries adjustable strikers 49, 50, coacting with a switch lug 51 to effect reversal of the carriage motor 15, the spacing of the strikers determining the stroke of the carriage. Another cam 53 adjustable on the disc coacts with a rod 55 to operate the reversing switch of the motor 31 to reverse this motor at any desired point in the carriage travel. Swinging of the table may occur rapidly during a small part of its carriage travel so that a crowning effect as shown in Fig. 8 may be obtained, the teeth being of tapered form with arcs a<SP>1</SP>, a joining the opposite tapers. By speed reduction between the motor 31 and screw 23 these arcs may be lengthened or may embrace the entire tooth length.
Patent GB-212755-A (GB)
Title: Support for plants and flowers
IPC: A01G9/12
Filed: 1923-03-28
Abstract: 212,755. Strong, H. O. March 28, 1923. Plants, supporting and training.- A plant support comprises a galvanized metal stake A to which are attached two or more long pliable rustless wires B. The stake is driven into the ground and the wires then bent to support the stalks, stems, or blossoms. Specifications 18196/03 and 9347/12 are referred to.
Patent GB-217186-A (GB)
Title: Letter-file
IPC: B42F13/24
Filed: 1924-04-08
Abstract: 217,186. Jockusch, F. June 4, 1923, [Convention date]. Void [Published under Sect. 91 of the Act]. Post files.-In a letter &c. file comprising hollow filing-posts c, c<1> mounted on a base d and co-operating filing-hooks b, b<1> connected by a transverse wire e, the latter is pivoted in eyes a, a<1> formed by the free ends of springs k, the other ends of which are riveted to the base plate. The hook b<1> is formed so as to be always nearer the post c' than the hook b is to the post c, thus allowing the posts to be closed by manipulation of the hook b only.
Patent GB-954451-A (GB)
Title: Improvements in or relating to cutting devices
Inventor: BETTCHER LOUIS ANDREW
IPC: B26B25/00
Filed: 1962-03-07
Abstract: 954,451. Meat trimmers. BETTCHER INDUSTRIES Inc. March 7, 1962, No. 8854/62. Heading A2U. A manually held and manipulated tool for cutting (Fig. 7) a strip or slice 24 from a slab of meat 18, e.g. trimming off fat, comprises a hollow handle 15 transmitting drive by a shaft 41 to rotate a pinion 40 the teeth of which engage gear teeth 37 on the base portion 35 of a frustoconical blade 12 of approximately 45 degrees taper having a circular cutting edge 13, Fig. 4, which may, if desired, be contiguous to a curved free end portion of the blade (Fig. 9, not shown), causing it to rotate. The blade is retained in position by a ring 14 having a groove 34 in which the blade base portion 35 is slidably engaged, Fig. 4, and by a springable portion 45b of a retaining sector member 45, a nut 48 being turned to hold or release the blade 12 as desired. Both ring 14 and sector 45 are fixed by screws 32, 46 respectively to a curved sector portion 28 of the handle 15, the ring being held in a groove 31 and the sector end 45a against adjustable top screws 49 which prevent hindrance of the free-rotation of the blade 12.
Patent GB-848627-A (GB)
Title: New sulphonamides
IPC: C07D231/42
Filed: 1959-03-13
Abstract: The invention comprises 3-(N1-acyl-sulphanilamido)-2-phenyl-5-methyl-pyrazoles unsubstituted in the 4-position and their preparation by acylating a 3-(p-substituted benzene-sulphonamido)-2-phenyl-5-methyl-pyrazole in which the p-substituent is an amino group or a group convertible to an amino group by reduction, and subsequently reducing this substituent to an amino group, if necessary.  The compounds are used therapeutically (see Group VI).  An example describes the preparation of 3-(N1-acetylsulphanilamido)2-phenyl-5-methyl-pyrazole by acetylating 3-sulphanilamido-2-phenyl-5-methyl-pyrazole which is obtained by the action of acetylsulphanilyl chloride on 3-amino-2-phenyl-5-methyl-pyrazole followed by hydrolysis of the resulting 3-(N4-acetyl-sulphanilamido)-2-phenyl-5-methyl-pyrazole.ALSO:Pharmaceu tical sulphonamide preparations comprise N-(p-aminobenzenesulphonyl)-N-acyl-3 -amino-2-phenyl-5-methyl-pyrazoles which are unsubstituted in the 4-position (see Group IV(b)) in association with pharmaceutical carriers such as gelatine, lactose, starches, colloidal silicic acid, magnesium stearate, talc, vegetable oils, benzyl alcohols, gums, polyalkylene glycols, petroleum jelly or cholesterol.  The preparations may take the form of suspensions, emulsions, tablets, dragees, salves or creams.
Patent GB-691574-A (GB)
Title: Improved process for preparing microspheres of silica-alumina gel catalyst
Inventor: BARAL LEON LEONARD
IPC: B01J2/04
Filed: 1951-04-16
Abstract: Silica-alumina microspheres are prepared by spray-drying to a moisture content below 8 per cent and preferably from 3 to 4 per cent, a slurry of unwashed silica-alumina gel still containing soluble salts produced in its formation.  The product may be washed to remove soluble salts and calicined to a final moisture content of 2 per cent.  The slurry is prefarably prepared by mixing a solution of sodium silicate and sulphuric acid to form a slightly alkaline reaction product, e.g. pH 9.3, adding sulphuric acid to reduce the pH to 2.5 to 6 thereby completing the precipitation and gelation of the silica, adding aluminium sulphate to impregnate the gel particles and adding aqueous ammonia to precipitate alumina in the gel and form a slurry having a pH of 6.0 to 7.5.  The slurry is dewatered by filtration, thereby removing half of the soluble salts present, reslurried and spray dried in hot gases at 212 to 1500 DEG F to a water content of 8 per cent or less.  The resulting microsphenes are then worked to remove completely soluble salts, a dilute solution of ammonium sulphate being employed if desired, dewatered and calcined. A typical catalyst contains 13 per cent alumina and a fixed water content of 12 per cent.  Specifications 586,945 and 30187/49 (as open to inspection), are referred to.
Patent GB-735542-A (GB)
Title: Improvements in the production of alkali cellulose and cellulose xanthate
IPC: D01F2/08
Filed: 1953-03-31
Abstract: A sheet of cellulose pulp is steeped in alkali lye and the sheet of alkali cellulose so formed is subdivided to form a mass of slices which retain the fibrous character and density of the original alkali cellulose sheet; the mass of alkali cellulose slices is allowed to age and is then subjected to the action of carbon bisulphide and converted into cellulose xanthate. Preferably, the cellulose pulp is impregnated with an oxidation catalyst, which is a compound of manganese or cobalt, and with a stable compound, such as ammonium persulphate, which is capable of liberating oxygen when treated with alkali.  The alkali cellulose sheet may be subdivided by slitting with a knife or shears or by using a device which will chop or bite off pieces of the sheets without shredding.  The dense sliced form of the alkali cellulose permits more effective circulation of the carbon bisulphide to all parts of the mass and leads to uniformity in xanthation.  Ball formation during xanthation is practically eliminated and the subsequent dissolution to form viscose is facilitated.  The alkali cellulose sheet may be sliced by cutting it into strips or ribbons resembling spaghetti or noodles which may then be cross-cut to form a mass of particles of 1-2 inches in length and about 1/16 square inch in cross-section. Particles of other regular or irregular shape may be obtained. Caustic soda steeping liquor may be applied to the upper surface of a continuous moving sheet, or a web of superposed sheets, of cellulose pulp which is then subjected to vacuum applied to one surface and simultaneously to pressure between press rolls to force excess of liquor out of the sheet.  The continuously moving sheet of alkali cellulose may be slit into ribbons or other sliced particles as it emerges from the press rolls. If an oxidation catalyst is present the time required for ageing may be reduced and the time may be still further reduced if ammonium persulphate or similar oxygen-releasing compound is also present. Specification 734,304 is referred to.
Patent GB-161819-A (GB)
Title: Improvements in and relating to ash trays for smokers
IPC: A24F19/00
Filed: 1920-03-26
Abstract: 161,819. Griffin, J. P. March 26, 1920. Ash - trays. - A hollow dome-shaped member 12, arranged in a glass lining 11 in a tray 10, is formed with recesses between star points 14 and tapered holes 15 in which the lighted ends' of cigarettes are extinguished.
Patent GB-970267-A (GB)
Title: Improvements in electrical coils
IPC: H01F41/12
Filed: 1960-03-15
Abstract: 970, 267. Moving coil measuring instruments. H. S. HATFIELD. March 15 1961 [March 15, 1960], No. 9020/60. Heading G1Q. [Also in Division H1] An electrical coil, such as for a stretched suspension moving coil galvanometer, is made by applying a solid insulating impregnating material in excess to the coil while it is wound on a bobbin, mechanically removing the excess so as to shape the coil to exact dimensions while on the bobbin, and then removing the bobbin by disintegration or destruction e.g. by the chemical action of a liquid gas or vapour, or by heat causing melting or evaporation. The impregnating material may be a methyl methacrilate polymer, and the bobbin may be of rolled sheet zinc, moulded plastic, diecast metal, or made by extrusion or drawing through dies; the excess may be removed by rubbing down on wet abrasive paper, and the chemical may be sulphuric acid. Terminals may be embedded in the impregnating material.