baber/WOPTO huggingface dataset:
Patent GB-1507804-A (GB)
Title: Anti-inflammatory composition
IPC: A61K31/195
Filed: 1976-06-22
Abstract: 1507804 Anti-inflammatory compositions SUMITOMO CHEMICAL CO Ltd 22 June 1976 [23 June 1975] 25956/76 Heading A5B Pharmaceutical compositions having anti - inflammatory activity for oral or rectal administration contain a non - steroidal antiinflammatory agent, a compound capable of inhibiting gastro - intestinal ulcer formation as a side effect of the oral or rectal administration of the non - steroidal anti - inflammatory agent and being a quinazolinone of the formula wherein R, is C 1-3  alkyl, cyclopropylmethyl or 2, 2, 2 - trifluoroethyl, R 2  is halogen, C 1-3  alkyl or C 1-3  alkoxy, and R 3  is phenyl or thienyl, or a non - toxic pharmaceutically acceptable salt thereof and a pharmaceutically acceptable carrier or diluent. The non - steroidal anti - inflammatory agent may be an indolylacetic acid e.g. indomethacin, 1 - cinnamoyl - 5 - methoxy - 2 - methyl - 3 - indolylacetic acid and 1 - (3, 4 - methylenedioxybenzoyl) - 5 - methoxy - 2 - methyl - 3 - indolylacetic acid; an anthranilic acid e.g. mefenamic acid and flufenamic acid or a pyrazole e.g. phenylbutazone. The compositions may be in the form of tablets, powders, dragees, sugar-coated tablets, capsules, suppositories, liquids, elixirs, emulsions, suspensions, syrups and waters.
Patent GB-367734-A (GB)
Title: Improvements in circular brushes
IPC: A46B13/00
Filed: 1931-09-16
Abstract: 367,734. Brushes. SOC. ANON. LA BROSSE, 25, Rue du Renard, Paris. Sept. 16, 1931, No. 25972. Convention date, May 4, 1931. [Class 19.] Rotary brushes are reinforced by rings 3. 9, 10 arranged within or outside the brush stock but between the bristles so that they cannot work loose.
Patent GB-715724-A (GB)
Title: Improvements in or relating to cathode-ray tubes comprising a luminescent screen
IPC: H01J29/20
Filed: 1952-10-16
Abstract: 715,724. Cathode-ray tubes; luminescent screens. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Oct. 16, 1952 [Aug. 21, 1952], No. 25989/52. Drawings to Specification. Class 39(1) Zirconium pyrophosphate luminescing in the ultra violet and with a decay time of less than 10<SP>-5</SP> seconds is used in the screen of a cathode ray tube for special purposes such as light spot scanners, radar and facsimile transmission, sources of radiation in the measurement of the decay time of luminescent substances and in microscope devices which project a reduced image of a raster on to a small object, the transmitted light of which is converted by a photocell into electrical pulses for reproduction by a cathode ray tube. The suspension produced from a mixture of zirconium oxychloride or other zirconium compound and diammonium hydrogen phosphate in water is dried, heated in air at 400‹C, ground and reheated at 1050‹C for 4 hours and at 1000‹C for 2 hours. The cathode ray tube has a window of quartz which transmits the ultra violet luminescence.
Patent GB-587225-A (GB)
Title: A method for the prevention of scale in casting ingot moulds
IPC: B22D7/10
Filed: 1944-12-29
Abstract: 587,225. Ingot moulds; casting processes. WILLIAMS, J. H. V., and WILLIAMS, W. S. Dec. 29, 1944, No. 26059. Drawings to Specification. [Class 83 (i)] The formation of scale on the internal faces of ingot moulds, when casting them, is prevented by keeping the poured metal hot, at points adjacent to possible segregation formations, by blowing air into the mould as described in Specification 523,965 but at such pressure, e.g. 20 lbs. per square inch, and for such time as will allow the impure metal to drain away. In casting a rectangular closedend mould a pool of molten metal, covering the area of the four corners, is maintained at the top of the casting to receive the impure metal, by apparatus similar to that used in the prior Specification except that riser heads are deeper and are, in larger moulds, located over pipes of impure metal and, in smaller moulds, located where they will ensure circulation of metal over such pipes. In casting open or closed cylindrical moulds the core is preferably slightly eccentric to localize the impure metal. In casting open-ended rectangular moulds an air jet and a riser head are arranged at each corner.
Patent GB-414055-A (GB)
Title: Improvements in and relating to furnaces for the reduction of ores, the refining of metals and the manufacture of alloys
IPC: F27B1/00
Filed: 1932-10-19
Abstract: 414,055. Metallurgical furnaces. BRASSERT & CO., Ltd., H. A., Brook House, Walbrook, London.-(Brassert & Co., H. A. ; 310, South Michigan Avenue, Chicago, U.S.A.) Oct. 19, 1932, No. 26061. [Class 51 (ii).] In a furnace for the reduction of ores, refining of metals, and the manufacture of alloys, of the kind comprising a shaft portion 2 superposed on a hearth portion 1 providing an annular combustion space around the lower part of the column of stock, the hearth portion has an annular metal well 47 around a central raised central part 46, and nozzles 55,49 for delivering fuel and air on to the column of stock and the metal in the well respectively. This arrangement allows the metal collected in the well 47 to be refined before it is discharged from the furnace. As shown, the raised portion 46 is of greater area than the lower end of the shaft and is at such a level that the stock column is supported substantially clear of the metal in the well 47. Mains 53, 59 and 52, 57 supply fuel and air to the nozzles 49, 55, and another main 66 supplies inert cooling-gases, which may be waste gases from hot blast stoves, to nozzles 60, 61. The nozzles 49 may be arranged below the level of the central portion 46 of the hearth. The domed roof 50 consists of a number of removable sections having metallic outer parts and inwardly extending fins with water cooling- passages. The shaft is supported independently of the hearth portion, and the joint formed by metal rings 62, 72 is such as to allow relative movement between the two parts. The crosssection of the shaft at its lower end can be varied by means of water-cooled slides 74. A modification is described (Figs. 4-8, not shown), in which the hearth portion has a vertical outer wall connected to the lower end of the independently-supported shaft by domed roof sections and water-cooled jointing-rings. The burner nozzles are tangentially directed into the combustion space, and radial nozzles for the supply of cooling-gases alternate with the upper row of burner nozzles. Should the shaft become choked a portion of the combustion gases from the hearth may be drawn off through the cooling-gas nozzles. In operating the furnace, melting and refining periods are alternated and during the refining period a reducing atmosphere is maintained by the lower set of burners and a portion of the combustion gases may be withdrawn through the upper set. Charging.-The feed hopper 12 has an upper bell 16 carried by a bell-crank 20, and a lower bell in two parts 13, 14 suspended separately from bell-cranks 30, 37. In the position shown of the locking-lever 40 the bell-crank 37 is prevented from movement, and the part 13 of the lower bell can be operated to feed the charge to the middle of the furnace by slacking the cable 32. When the lever 40 is moved to release the bell-crank 37, the lower bell moves as a whole to feed the charge to the periphery of the furnace.
Patent GB-700428-A (GB)
Title: A device for the rapid laying of bricks or blocks in the construction of walls
IPC: E04G21/18
Filed: 1951-11-07
Abstract: 700,428. Bricklayers' templets. BAYOD, F. L., and AIXALA, J. N. Nov. 7, 1951 [Nov. 8, 1950; Sept. 6, 1951], No. 26097/51. Class 20 (2) A bricklayers' templet comprises a panel-like templet which is provided on one side with vertically and horizontally extending projections for determining the positions of the bricks. The templet as shown, is of openwork form and is carried by articulated triangular supports 1, Figs. 1, 2 provided with adjustment devices 2, 4 and secured in apertures in the partly constructed wall, the vertical members of the supports having upper and lower lug pins 8 engaging in apertures in the templet frame, the upper pins 8 being formed on screw adjustment devices 5 for levelling the templet. In another embodiment templets may be suspended by means of bracing beams 11, Fig. 5, secured to another wall already constructed, the lower ends of the templets being carried by clamps 14 provided with levelling screws 20.
Patent GB-1471499-A (GB)
Title: Holder and interchangeable drawing die
IPC: B21C3/12
Filed: 1975-06-19
Abstract: 1471499 Drawing dies F SCHMALE and H THEIS 19 June 1975 26119/75 Heading B3P A drawing die 2 is interchangeably held within a holder 1 by means of a spring ring 3, the die being able to tilt slightly relative to the holder to automatically align the die axis with the direction of drawing. To facilitate tilting, the die has a convex surface which co-operates with a concave surface 13 of larger radius formed in the holder. The die may be of sintered carbide internally coated with boron, and the holder may be of plastics material.
Patent GB-1152284-A (GB)
Title: Rectifier Control Systems
Inventor: SMITH AUBREY HARRIS
IPC: B66F9/24
Filed: 1967-06-06
Abstract: 1,152,284. Control of A.C. motors; firing of inverse parallel thyristors. EATON YALE & TOWNE Inc. 6 June, 1967 [6 June, 1966; 27 Jan., 1967], No. 26128/67. Headings H2H and H2J. [Also in Division G3] A system for controlling the phase angle of the triggering of a controlled rectifier (thyristors Q 1 , Q 2 ) comprises a capacitor C 17  which is charged (through transistor Q 5 ) at a rate that is a function of a variable amplitude input signal and is discharged at a predetermined time in each cycle of the A.C. supply by a bistable switching circuit (Schmitt trigger Q 6 , Q 7 ), the triggering signal being generated (by a second Schmitt trigger Q 8 , Q 9 ) when the charge on the capacitor reaches a predetermined level. The second Schmitt trigger triggers a one shot multivibrator Q 10 , Q 11  which is coupled through Q 12  and transformer T 5  to the trigger electrodes of reverse-parallel connected thyristors Q 1 , Q 2 . The input signal is the difference between the output of a tachogenerator TAC coupled to a hoist motor M 1  and a raise or lower desired speed signal from differential transformers T 3 , T 4  having cores B 1 , B 2  movable by push-buttons P 1 , P 2 . The motor is a singlephase induction machine having a starting winding in series with a capacitor and a centrifugal switch. Limit switches and a plugging relay changeover supply relays to effect reverse current braking, during which auxiliary contacts establish maximum firing of the thyristors. An electro-mechanical brake is provided.
Patent GB-1292690-A (GB)
Title: Improvements relating to electrical switching systems
Inventor: MCCALLUM ROYLYN MUIR
IPC: H03K17/72
Filed: 1970-05-30
Abstract: 1292690 Selective signalling FERRANTI Ltd 12 May 1971 [30 May 1970] 26196/70 Heading G4H An electrical switching system includes a plurality of electrically-actuated switches having their actuating means RL11, RL12... RL1n, RL21 ... arranged in a number of groups, the actuating means of each switch in a group being connected in series with a thyristor CSR11, CSR12 ... and through a common group switch G1, G2... across a voltage source, a clamping circuit associated with each group and connected through a separate diode D11, D12 ... to the gate electrode of each thyristor in the group, each gate electrode also being connected to a voltage source through a separate selector switch S1 . . . Sn common to the corresponding switch actuating means in each group, and means for operating the appropriate group and selector switches to cause the operation and release of required ones of the plurality of electricallyactuated switches. As disclosed, the switch actuating means are the coils of electromagnetic relays. Normally, the selector switches S1 ... Sn are open, the group switches G1 . . . Gm are closed, transistors TR11, TR21 . . . are cut off, and transistors TR12, TR22 . . . are conducting, thereby clamping the diodes, and capacitors C1a, C2a... are discharged. To energize a typical relay coil, say RL12, the appropriate group switch G1 is opened for a short time so that transistor TR11 conducts to charge capacitor C1a. When the group switch closes again, TR11 is cut-off, but the charged state of capacitor C1a cuts-off transistor TR12 removing the clamping in the group. Closing the appropriate selector switch S2 then renders thyristor CSR12 conducting to energize the relay coil RL12. Capacitor C1a discharges gradually, and when discharged allows TR12 to conduct to re-establish the clamping. Further opening of the group switch G1 will cause the thyristor CSR12 to stop conducting, after which it can be made to conduct again by closing the selector switch S2.
Patent GB-465024-A (GB)
Title: Process for the catalytic hydrogenation of polymers of unsaturated hydrocarbons
IPC: C07C5/03
Filed: 1936-09-28
Abstract: The catalytic hydrogenation of polymers of unsaturated hydrocarbons is effected by treating alternately reaction mixtures containing respectively higher and lower proportions of catalyst-poisoning impurities, whereby the activity of the catalyst is alternately diminished or restored.  The desired degree of purification may be obtained by treating either the whole or a part of either the hydrocarbon or the hydrogen or both.  The temperature of hydrogenation may be 100--300 DEG  C. and the catalyst may be metallic nickel or a sulphide of a metal of the sixth group. Pressures between 1 and 200 atmospheres may be employed.  Examples describe the conversion of di-isobutylene into iso-octane, wherein the sulphur content of the reaction mixture alternates between 0,012 and 0,008 per cent.
Patent GB-1431405-A (GB)
Title: 6-methyl and 6-methylene 17-unsubstituted steroids
IPC: C07J/
Filed: 1974-06-13
Abstract: 1431405 6-Methyl or methylene-17-unsubstituted steroids TAKEDA YAKUHIN KOGYO KK 13 June 1974 [16 June 1973] 26225/74 Heading C2U Novel steroids of the formula (wherein each of R<SP>1</SP> and R<SP>2</SP> is H or CH 3 , or R<SP>1</SP> and R<SP>2</SP> together are methylene, n is 2 or 3, and the dotted line represents a double bond in the 6-exo position when n is 2 and a #<SP>6</SP>-double bond when n is 3) but excluding 6-methylene-#<SP>4</SP>- androsten-3-one, are preared by reacting steroids of the formula (wherein R<SP>3</SP> is alkoxy or acyloxy) with an acid to give the required 6-methyl steroids which may then be isomerized to the required 6- methyl steroids, for example using a catalytic reduction catalyst. Starting materials of the Formula (II) are prepared by reduction of the corresponding 6- formyl-steroids which in turn are prepared by formylation of the corresponding 6-unsubstituted steroids, these in turn being prepared by enol esterification or enol etherification of the corresponding #<SP>4</SP>-3-ones. 1α,2 - Methylene androst - 4 - en - 3 - one is prepared from androst-4-en-3-one via androsta- 1,4-dien-3-one. The novel steroids are strong anti-androgens and are substantially free from other hormonal actions and from side-effects. They may be made up into pharmaceutical compositions with suitable carriers.
Patent GB-363728-A (GB)
Title: Improvements in optical sound reproducing devices for use with talking films
IPC: G11B7/00
Filed: 1931-06-04
Abstract: 363,728. Optical sound-reproducing apparatus. SHANNON, D. S. B. and CAPENER, A. J., 13, Aston Road North, Aston, Birmingham. June 4, 1931, No. 26250/30. [Class 40 (ii).] Apparatus for reproducing photographic sound records comprises a unit construction including a light source 1, a gate or guide 3 for the sound film 2, a light-sensitive element 5, and a lens or lens system 6 which is adjustably mounted in the unit between the light sensitive element 5 and the gate or guide 3 whereby the image of the sound cycle may be focussed on to the light-sensitive element. The construction comprises a tube 13 carrying the light source 1, light-sensitive cell 5, the film gate or guide 3, a condenser 4, and a screening device 8, 9, and the lens 6 is carried by an adjustable tube 14 which is slidably adjustable within the tube 13 by means of a rack and pinion 7. The screening device, which comprises two relatively movable apertured members 8, 9 capable of adjustment to enable the coincidence of the apertures to be adjusted to control the light passing, may be disposed between the lens 6 and either the film 2 or the light-sensitive element 5, or it may be disposed on the same side of the film as the light source.
Patent GB-482302-A (GB)
Title: Improvements in or relating to composite yarns
IPC: D02G3/24
Filed: 1936-09-28
Abstract: 482,302. Composite yarns. WYLDE, J. R., and FINLAYSON, D. Sept. 28, 1936, No. 26256. [Class 120 (iii)] A composite yarn for use in the weft and/or warp of a fabric, is formed by doubling at least two components one having a voile twist and the other a crÛpe twist in the reverse direction to the voile twist, the doubling twist being substantially the same as the crÛpe twist but in the reverse direction so that the voile twisted component is twisted to a degree representing the sum of the initial voile twist and the doubling twist and the crepe twisted component is substantially freed from twist. The components of the yarn may be of the same or different material, e.g. of regenerated cellulose, stretched or not during its production, of cellulose acetate or other organic derivative of cellulose, stretched or not during its production, or of natural silk, cotton or wool. Regenerated cellulose may be produced from saponifiable esters of cellulose, which may however be only partially saponified. The yarn may comprise two crepe twisted components of opposite hand and one voile twisted component. The components may differ as regards colour and lustre, and may be fibrous or continuous. The components may be doubled first with a low degree of twist in the same direction as the final doubling twist. With a yarn including a component of an organic derivative of cellulose initial high twisting may be effected under the influence of steam or hot water, e.g. as described in Specifications 437,019, 438,590, and 438,591. Similarly when the doubling twist inserts a high degree of twist into a component of an organic derivative of cellulose. When the composite yarn is used as weft, two threads of opposite twist may be employed, e.g. in a two box loom as usual in weaving two-box crÛpe fabrics. In an example a 100 denier cellulose acetate crepe yarn twisted in steam to 50 turns /inch in one direction is doubled in the reverse direction, 5 turns/inch, with a 100 denier cellulose acetate voile yarn, twisted 26 turns/inch in the same direction as the doubling twist. The doubled yarn is then twisted in steam in the same direction as the preliminary doubling twist to a total doubling twist of 50 turns/inch. Specification 478,207 also is referred to.
Patent GB-414537-A (GB)
Title: Improvements in lawn mower sharpeners
IPC: B24B3/42
Filed: 1933-09-23
Abstract: 414,537. Sharpening lawn - mower blades. HOLLIDAY, W., Point du Bois, Manitoba, Canada. Sept. 23, 1933, No. 26298. [Class 60.] A sharpener for the rotating blades of lawnmowers, adapted to be fitted on the mower and driven by the ground-wheels of the mower, consists of two arms 6, 7 adapted to be secured to the mower axle 1 and each supporting an adjustable sleeve 9 carrying a sleeve 11, the sleeves 11 supporting a shaft 12. The shaft 12 carries adjustable sleeves 14 each provided with a sleeve 16, and in the sleeves 16 are adjustably carried end rods 17, the front ends of which have bearings 19 for a screwed shaft 20. On the shaft 20 are threaded two adjustable driving-wheels 21, having rubber &c. friction bands 23 thereon, which engage the groundwheels 2 of the mower. On the shaft 20 is slidable a sleeve 24 carrying a spring bar 25 on which is a rider 26 in the form of a halfnut ; by lifting the bar, the sleeve may be slid on the shaft, and by allowing the rider threads to engage those on the shaft, the sleeve 24 is moved along the shaft when this is rotated by the wheels 21. The sleeve 24 carries a sleeve 27 in which is adjustably slidable a rod 28 having a forwardly bent upper end carrying an adjustable weight 29, the lower end of the rod carrying an adjustable grinding-block 30; the position of the block is adjusted by a screw 37 in the rod 28, the screw engaging a guide bar 33 adjustably secured to the arms 6, 7. In operation, one or both of the wheels 2 is rotated, thus rotating the shaft 20, whereby the block 30 is moved along the rotating blades, being pressed thereagainst by the weight 29 and guided by the bar 33. When not in use, the device may be turned about the shaft 12 to rest against the mower handle.
Patent GB-225024-A (GB)
Title: Improvements in single sleeve valves for internal combustion engines, steam engines,and the like
IPC: F01L7/08
Filed: 1923-10-22
Abstract: 225,024. Wilson, W. B. Oct. 22, 1923. Oscillating cylindrical and conical valves coaxial with cylinders. -An oscillating sleeve valve 1 for internalcombustion or steam engines is formed at its upper end with an enlargement or flange, from which it is shaped in the form of a curved cone 12, ending in a stem 3, which projects through the cylinder head and receives the driving- gear. The curved portion preferably takes the shape of the tractrix or Schiele'e curve, and is formed with, for example, three ports 5 which communicate with inlet and exhaust ports in the cylinder as the valve is oscillated. The valve may be actuated by the mechanism described in Specification 225,988, being held stationary at the centre of the path of oscillation during compression and firing. A port 8 in the valve coincides with a cylinder port 10 and is uncovered by the piston so as to reduce the cylinder pressure, just before the valve is moved for exhaust.
Patent GB-667225-A (GB)
Title: Process for the production of black leather dyestuffs
IPC: C09B35/46
Filed: 1949-10-14
Abstract: Black leather dyestuffs are obtained by treating a trisazo dyestuff of the formula <FORM:0667225/IV (c)/1> with a benzoyl halide, benzene carboxylic acid anhydride or benzene sulphonic acid halide; in in the formula, A is the radical of an unsulphonated primary 1 : 3-diamine of the benzene series, B is the radical from a tetrazotized substantive 4 : 41-diaminodiphenyl and C is the radical from a diazotized aminobenzene sulphonic acid; 0.8-1.2 mols. of acylating agent are used for each mol. of dyestuff.  The benzene rings in the dyestuff and the acylating agent may be substituted, e.g. by halogen, alkyl, alkoxy or nitro groups.  Suitable acylating agents are mentioned.  In the examples, trisazo dyestuffs are made from the following components and then acylated: (A) 1 : 3-diaminobenzene, 2 : 4 - diaminotoluene, and 2 : 4 - diamino - chlorobenzene; (B) benzidine, 3 : 31 - tolidine, 3 : 31 - dianisidine, 3 : 31-dichlorobenzidine, benzidine-3-sulphonic acid and benzidine-3 : 31-disulphonic acid; (C) sulphanilic acid, metanilic acid, p-toluidine-2-sulphonic acid, o-toluidine-4-sulphonic acid, aniline - 2 : 5 - disulphonic acid, 4 - chloraniline - 3 - sulphonic acid, o - anisidine - 5-sulphonic acid, 2 - chloraniline - 5 - sulphonic acid, 4 - acetylamino - aniline - 2 - and 3-sulphonic acids, 2 : 5-dichloraniline-4-sulphonic acid and 4-amino-m-xylene-5-sulphonic acid.  A further example is given of the dyeing of leather.