baber/WOPTO huggingface dataset:
Patent GB-442963-A (GB)
Title: Improvements in or relating to cathode-ray tubes and thermo luminescent screens therefor
IPC: H01J29/16
Filed: 1934-12-19
Abstract: 442,963. Cathode-ray tubes. BAIRD, J. L., and BAIRD TELEVISION, Ltd., 58, Victoria Street, Westminster. Dec. 19, 1934, No. 36430. [Class 39 (i)] The screen of a cathode ray tube for television &c is heated nearly to incan descence by an electric current passing through a coiled or bent electric con ductor forming, or forming part of, the screen and is raised to incandescence locally by the impact of the cathode ray to form the image. A wire 1 is bent into vertical rows of zigzags and is connected at its ends to a current source 2. The front bends 5 lie in a plane and are struck by the cathode ray to form an image viewed from the front of the screen. The rows may be separated by mica strips and the wire 1 may be a Wollaston wire with the outside dissolved away to expose the platinum core at the bends 5. The screen is scanned parallel or perpendicular to the rows. In modified screens viewed from either side, the vertical rows of the conductor in the screens are helical coils or zigzag strips with one edge facing the cathode ray. Non- metallic conductors may be used, or the wire 1 may be coated with refractory material such as cerium or magnesium oxide or may be of the kind used for dark-emitter filaments of valves, for example, impregnated or incrusted with thoria, baryta, &c. In another modification, a screen of platinum black is preheated by wire spirals. Specifications 323,817, [Class 40 (iii)], 424,632, and 440,386 are referred to.
Patent GB-1434905-A (GB)
Title: Thyristors and the method of manufacture thereof
IPC: H01L21/00
Filed: 1972-08-04
Abstract: 1434905 Thyristors AEI SEMICONDUCTORS Ltd 1 Aug 1973 [4 Aug 1972] 36485/72 Heading H1K The turn off time of a shorted-emitter thyristor is reduced by so designing it that no point in the emitter region is more than 300 Á from a point at which the region is shorted to the adjacent base region. The preferred emitter region configuration 5, shown in plan in Fig. 2, is annular with two concentric rings of twentyfour equally spaced circular apertures 12a, 12b through which the base region 2 extends to contact the annular emitter electrode which also extends on to region 2 at the outer periphery of the emitter region, the trigger electrode being disposed centrally within the emitter electrode. The diameters of the inner and outer peripheries of the emitter region and of the inner and outer rings, on which the apertures, which are of 250 Á diameter, are centred are 3000, 5500, 3550 and 4700 Á respectively, giving a maximum distance of 225 Á to a shorted point. In an alternative structure nickel or aluminium protrusions from the emitter electrode penetrate the emitter region to provide the shorts. Further improvement in turn off time without serious impairment of other device parameters is obtainable by moderate doping with gold.
Patent GB-831024-A (GB)
Title: Method of and means for feeding cuttings of bast fibrous material to a processing machine
Inventor: FRASER HUGH
IPC: D01G99/00
Filed: 1957-11-23
Abstract: 831,024. Preparing bast fibres for spinning. FRASER & SONS Ltd., D. Sept. 23, 1958 [Nov. 23, 1957], No. 36564/57. Class 120(1) Bast fibres, particularly slabs of hardpressed jute cuttings, are impaled on a spiked lattice over which they are evenly distributed as one flight of the lattice moves upwardly. The lattice 2 consists of endless chains spaced by transverse metallic slats carrying spikes so inclined as to impale slabs of fibres and raise them towards evener roller 7 which knocks a portion of the slab on to a conveyer 8 thereby facilitating loosening and opening of the material. The lattice 7 may travel at 270 feet per minute so that slabs are rapidly and repeatedly raised and knocked back. Partially disintegrated cuttings pass the roller 7 and are finally disintegrated as the doffer 12 deliver them to a conveyer 14.
Patent GB-1536075-A (GB)
Title: Animal feeding apparatus
IPC: A01K5/02
Filed: 1977-09-01
Abstract: 1536075 Feeding apparatus BRINKMANN en NIEMEYER NV 1 Sept 1977 [2 Sept 1976] 36647/77 Heading AIM To ensure feeding of selected animals only, insertion of the head of a selected animal in opening 2 operates magnet switch 5 and moves plate 11 from full-line to dotted-line position to close opening 10 with valve 7. Food is then supplied by worm 4 and any food left when the animal withdraws its head falls through opening 10 into chamber 14, as plate 11 moves back to full-line position due to counterweight 13, and may be re-used.
Patent GB-326502-A (GB)
Title: Process for the manufacture of artificial products from wood
IPC: C08H8/00
Filed: 1928-12-12
Abstract: 326,502. Carpmael, A., (I. G. Farbenindustrie Akt.-Ges.). Dec. 12, 1928. Cork substitutes.-A mouldable material is obtained by treating wood with an organic acid halide in the presence of a basic reagent. Lignified fibre, straw, hay, rushes, &c. may be substituted for wood. Basic reagents are caustic alkalies, alkaline earths, any tertiary amine. Suitable acid halides are aliphatic acid chlorides from butyryl chloride upwards, and aromatic acid chlorides. The product softens at a temperature below its decomposition point, and is not acted on by water or acids. Example, 1 part sawdust. 3 parts dimethylaniline and 1.5 parts by weight of benzoyl chloride are warmed and allowed to stand one hour. The base is removed, and the product dried, heated and pressed into moulds.
Patent GB-827264-A (GB)
Title: Improvements in compressor rotor
IPC: F01D5/06
Filed: 1957-11-27
Abstract: 827,264. Axial-flow compressor bladed rotors. GENERAL ELECTRIC CO. Nov. 27, 1957 [Dec. 17, 1956], No. 36997/57. Class 110 (3). A rotor for an axial flow compressor comprises a blade-supporting member having at least one circumferentially extending blademounting slot, an entry slot being provided for insertion and removal of the blades. Each blade has a platform and a root, and upon assembly, the blades are arranged so that portions of the roots of two of the blades extend into the entry slot and other portions of the two roots extend into the blade-mounting slot, the two blades being locked on to the blade-supporting member whereby all the blades of the blade row are secured against circumferential movement. The rotor drum 1 is formed with thickened ribs 8, 9 in which circumferential blade-mounting slots 10 are formed, each slot 10 being formed with slot 24 whereby the blade roots may be entered. The rotor drum is also formed with a shallow groove to receive the blade platform portions 16, this groove being widened adjacent the entry slot 24 to provide a recess 28. The dovetail-shaped blade roots 14 are entered in the slot 24 and moved circumferentially around the slot 10. The last two blades 12a, 12b are similar to the other blades except that their platforms 16a, 16b are axially extended at 30a, the extensions being received in the recess 28. A screwed pin 35 having a shank portion 34 is screwed into a hole provided near one end of the recess 28, and after the last two blades have been inserted, the platform extension 30a of one of them abuts against the end 32 of the recess 28, and the screw 35 is then screwed outwardly until the shoulder 44 abuts against the under-side of the platform extension 30a of the blade 12b and the pin 34 bears against the end of that platform extension.
Patent GB-860077-A (GB)
Title: Improvements in or relating to closing means for hatches and like apertures of ships,
IPC: B63B19/18
Filed: 1957-11-27
Abstract: 860,077. Railway-wagon covers. INTERNATIONAL MACGREGOR ORGANIZATION, I.M.G.O. Nov. 27, 1957 [Jan. 7, 1957], No. 37020/57. Class 103(4). [Also in Groups XXV and XXXIII] In the closing means for railway cars or, as shown in Fig. 5, a ship's hold a rack 47, which may be disposed centrally across the hatch cover 28 or be duplicated, one at each end, is engaged by a pinion 48 driven by a motor 49 secured to the coaming, rotation of the pinion sliding the cover across the hatchway to the position shown for the cover 27. On reaching this position the roller 35 leaves the ramp 46 and the rollers 29, 30 enter partly into slots in the coaming to lower the hatch on to a weather seal. To open the hatch the ram 45 first extends to operate the bell crank levers 39, 38 which engage the rollers and raise the cover from the seal, the motor 49 then sliding back the cover. In a modification, Fig. 6, the cover operating means comprise a pinion 63 rotatably carried on the rams 65 and co-operating with racks 62 secured to the covers and with fixed racks 66. In the embodiment of Fig. 1 the covers 1 and 2 are hinged at their inner edges. The outer edge of cover 1 being hinged to the coaming, the outer edge of cover 2 carries rollers 6 and is movable along the hatchway during opening and closing movements. A motor secured to this latter edge drives, through shafts, bevel gearing and universal joints, the pinions 19 being disposed one at each end of the hatch side, and engaging racks 23 secured to the coaming.
Patent GB-619625-A (GB)
Title: Improvements relating to cabinets convertible into tables
IPC: A47B83/04
Filed: 1946-12-17
Abstract: 619,625. Cabinets; tables. TOVEY, H. M. C. Dec. 17, 1946, No. 37085. [Classes 52 (i) and 52 (iii)] A cabinet is provided with one or more doors a mounted on a movable framework which has a pin and slot connection b<6>, e<3> with the carcase framing at the upper end and is provided with folding legs d<1> which, when the frame is swung upwardly, serve to support it at table height, the doors forming the table surface.
Patent GB-1415002-A (GB)
IPC: H05B3/16
Filed: 1972-08-09
Abstract: 1415002 Flexible heating elements COOPERHEAT 8 Aug 1973 [9 Aug 1972] 37163/72 Heading H5H A flexible heating element, Fig. 13, comprises a heating wire 24 which meanders through a matrix of beads of four types 1, 8, 14, 20, Figs. 3, 6, 9, 12 respectively, all having passages for the wire traversing projections and/or receiver for engaging adjacent beads, the beads in end rows 8, 14, having grooves linking through passages so that the heating wire is not exposed. The beads may be of sintered alumina or steatite. The cold ends could be brought out through beads of the first type, 1, Fig. 3.
Patent GB-1475830-A (GB)
Title: Machine for making conical shells
IPC: B21D51/10
Filed: 1975-09-10
Abstract: 1475830 Bending sector-shaped blanks R N FRIDMAN M L KATALKHERMAN and S P CHISTYAKOV 10 Sept 1975 37224/75 Heading B3E Apparatus for forming conical shells from sector-shaped blanks 3 comprises a base, two elongate clamps 2 for the radial edges of the blanks, each clamp being pivoted to release at an inner-end, and at least one clamp being rotatable towards the other about its inner end in a plane parallel to the base, each clamp being rotatable about an axis extending along it and having means for preventing such rotation, and a blank pusher movable into and out of the path of movement of the clamp(s) and movable perpendicularly to the base. Figs. 1 and 2 show an embodiment overall, each clamp comprising upper beam 4 pivoted by ball and socket joint 7 to upright 9 and by sliding ball and socket joint 8 on shaft 8a to a carriage 10. A lower beam is cantilevered from beam 4 at its outer end, and can be supported by removable tie rod 43 at its inner end to oppose hydraulic grippers 6. The carriages 10 are movable over a flush sunk rail 11 which is an arc of a circle about a centre near joints 7, by motor 34 (Fig. 5) and rack and pinion drives 36, 37. Each clamp is rotatable about its axis by a hydraulic vane motor 27 (shown for one clamp) and has an arm 20 on shaft 8a movable between stops 21, 22 and automatically retained against the latter by a manually releasable spring biased locking lever 23. Each clamp is also rotatable by a cam 38 on shaft 8a, the cams abutting when the clamps come together as in Fig. 5. The pusher 46 is a jack on a trolley 47 having folding arms to support a blank. To bend up a blank which is a sector of less than 180 degrees, the blank is placed on the trolley, and moved into position 3 where its radial edges pass between beams 4 and 5. With the rod 43 in place, grippers 6 are actuated. Pusher 46 urges the centre of the blank upwardly, and the clamps 2 are swung together, being positively rotated by motors 27 for 90 degrees of rotation, and thereafter being rotated by the workpiece. As the arms come together, cams 38 abut and roll on each other, rotating the clamps to positions where the blank edges abut and can be welded together being held in these positions by the locking levers 23. The grippers 6 are then released and tie rods 43 removed to enable the conical shell to be slid out of the clamps. To bend up a blank which is a sector of more than 180 degrees, the clamps are rotated so that beams 5 are uppermost, and held in these positions by locking levers 23. The trolley bearing the blank rides up ramp 61 to put the blank into the clamps in position 60. Pusher 46 urges the centre of the blank upwardly, and the clamps are moved together without rotating about their lengthwise axes, to bring the blank edges together.
Patent GB-451277-A (GB)
Title: Improved means for carbonating water and beverages
IPC: B01F3/04
Filed: 1934-12-29
Abstract: 451,277. Aerating liquids. - CAMERON, J. G., 184, Breakfast Creek Road, Newstead, Brisbane, Australia. Dec. 29, 1934, No. 37272. [Class 14 (i)] An apparatus for carbonating water or other beverages wherein the separate supply of liquid and gas to a carbonating chamber is effected automatically as the result of the withdrawal of carbonated liquid from the chamber, comprises a gas-tight chamber A within which is an open-topped bowl D, with perforations D<1> at its upper end, into which liquid, under control of a valve, is showered through a nipple F with a restricted passage L and a non-return valve F<1>. Gas under a pressure slightly less than that of the liquid is supplied to a nipple E<1> with a passage L, non-return valve G<3>, and lateral slits G<4> by way of a gas chamber G supplied through a non-return valve G<1>. The upper ends of the chambers A and G are connected by a pipe H with a non-return valve H<1>. A combined pressure-relief and air-venting valve K is provided, In use, the chamber A is filled with water and gas is passed in until pressures in the chamber and the supply pipes are equalized, the valve K being opened to allow the air to escape from the chamber. If now a dispensing valve, not shown, connected to the discharge pipe J for carbonated liquid, is opened, fresh liquid and gas will be admitted to the chamber A, to replace the carbonated liquid withdrawn therefrom. The valve H<1> serves to return excess gas from the chamber A to the gas chamber G. Preferably, the water is cooled, before admission to the chamber A, by a refrigerator which may surround the chamber. In a modification, the inner bowl serves as the draw-off compartment, the liquid and gas being supplied to the lower part of the main chamber. U.S.A. Specifications 1,943,903 and 1,958,938 are referred to.
Patent GB-898977-A (GB)
Title: Improvements in or relating to carding engines
Inventor: VARGA ANDRE
IPC: D01G15/04
Filed: 1957-11-29
Abstract: 898,977. Carding engines; burr removing. CARDING SPECIALISTS (CANADA) Ltd. Oct. 23, 1958 [Nov. 29, 1957], No. 37285/57. Class 120(1) Wool to be de-burred is passed on to a carding roller from which some of the fibres are removed, de-burred and returned to the roller in advance of the point of original removal. Some fibres on the carding roller 1 are lifted from the roller by a worker 5, transferred by a brush 7 to a Morel roller 8 for burr removal by a beater 9 and returned to the carding roller 1 by a stripper 11. A proportion of the fibres on the roller 1 that pass the worker 5 are removed by a worker 6 and passed to a second carding roller 2, this roller may also be associated with similar de-burring arrangements to those associated with roller 1.
Patent GB-651715-A (GB)
Title: Apparatus for shaping sheet thermoplastic material centrifugally
IPC: B29C53/04
Filed: 1946-12-23
Abstract: 651,715. Optical testing apparatus. GOODYEAR AIRCRAFT CORPORATION. Dec. 23, 1946, No. 37724. Convention date, June 14. Addition to 619,675, [Group V]. [Class 97 (i)] [Also in Group V] The centrifugal shaping of thermoplastic sheet material S secured by its edges to a jig 5 rotating rigidly about an axis 2 is observed and controlled by a sighting device comprising a light source 7 and sight 13 the line joining which being tangential to the sheet in its desired final shape S<SP>1</SP>. The observer E sees the light source direct and also its reflected image in the sheet 5. Rotation is stopped or slowed when the source and images coincide. The sight 13 and light source 7 are adjustable relative to the axis of rotation. As shown, the sight 13 is a rod extending across an aperture 12 in a disc 11 rotating with the jig 5. This gives a stroboscopic effect. In a modification the sight is stationary and the light source rotates and the disc 11 may be dispensed with. In a further arrangement of this modification the jig has a cover enveloping the sheet to be shaped, as described in Specification 644,305, [Group V], the sheet being observed through windows in the ends of the cover.
Patent GB-1455133-A (GB)
Title: Turf mat production
IPC: A01G1/00
Filed: 1973-08-09
Abstract: 1455133 Growing turf SCOTTISH AGRICULTURAL INDUSTRIES Ltd 22 July 1974 [9 Aug 1973] 37779/73 Addition to 1194281 Heading A1E A method of producing turf out doors in a container, is a modification of that described in Specification 1194281, in that the growing medium is covered with a sheet of light transmitting material during at least part of the growing period. The sheet is preferably permeable to air and water and may be interwoven or perforated plastic material. Further examples of growth media, fertilizers and seed mixtures are described.
Patent GB-824820-A (GB)
Title: Process for obtaining water or hydrogen with an increased deuterium content
IPC: C01B5/02
Filed: 1957-12-04
Abstract: <PICT:0824820/III/1> In a modification of the process of the parent Specification for the production of water or hydrogen enriched with deuterium, H2 containing N2 or other impurities which impair the efficacy of the exchange catalyst is merely conducted through a transfer column operating at below 60 DEG  C. in countercurrent to the water containing the catalyst in suspension or colloidal solution. The water, containing the catalyst, after contacting the hydrogen, entering at 15, in transfer column 11, operating at below 45 DEG  C., is passed in a closed cycle by 111 through cold tower 12 at 20 DEG  C., and hot tower 13 at 200 DEG  C. to transfer column 11 at 17.  A separate closed cycle of pure H2 is maintained between the hot and cold columns at 114.  The water in the transfer column becomes enriched in D, and may be degassed between the transfer and cold columns, e.g. by expansion pump, to remove dissolved N2.
Patent GB-1026308-A (GB)
Title: Improvements in and relating to the production of dough
Inventor: BAKER DONALD ERNEST
IPC: A21C1/14
Filed: 1963-09-25
Abstract: 1,026,308. Continuous dough production. E. T. OAKES CORPORATION. Sept. 1, 1964 [Sept. 25, 1963], No. 37805/63. Headings A2A and A2B. The continuous production of dough, e.g. bread dough, pastry dough, biscuit dough includes kneading mechanically and controlling both the amount of energy imparted to each unit of dough in the apparatus and the rate at which this energy is imparted to each unit mass of dough in such a manner as to maintain these two factors equal to predetermined optimum values e.g. the energy imparted to each unit mass of dough at 0.2-0.65 r.p.min./1b. weight and the rate of imparting energy at 0.04-0.60 h.p.mi./lb. weight/min. The apparatus includes a modifying chamber which houses one or more rotatable elements for kneading dough, means for feeding dough through the modifying chamber, means for controlling the speed of rotation of the kneading. elements and means for controlling the length of time for which each unit mass of dough remains in the modifying chamber.
Patent GB-914737-A (GB)
Title: New steroids, their formation and conversion into therapeutically useful substances
IPC: C07J75/00
Filed: 1960-11-03
Abstract: The invention comprises a compound of the formula:  <FORM:0914737/IV (b)/1> wherein R is H or an acyloxy radical derived from an organic carboxylic acid and a process for the preparation thereof which comprises the step of cyclizing by means of an alkaline condensation agent in an inert solvent, a 6-keto - 7 - (g -keto-butyl)-9a-methyl-3a,3b,4,5,8,9-hexahydro-cyclopentano - [2,1-c] - naphthalene compound of the formula:  <FORM:0914737/IV (b)/2> in which R1 represents R above, so as to effect intramolecular condensation between the 6-keto group and the terminal methyl group of the 7-(g -keto-butyl) substituent thereof.  Subsequently the products may be isomerised to form estradiol or a 17-acylate thereof. The products may be converted to estradiol or 17-esters thereof by isomerisation in the presence of a hydrogenation catalyst, e.g. palladinised charcoal. Specifications 914,732 and 914,736 are referred to.
Patent GB-955714-A (GB)
Title: Improvements in or relating to the pointing of drills
Inventor: KINMAN MARK DENNIS
IPC: B24B3/24
Filed: 1960-11-04
Abstract: 955,714. Sharpening twist-drills. BIRMINGHAM SMALL ARMS CO. Ltd. Feb. 2, 1962 [Nov. 4, 1960], No. 37917/60. Heading B3D. A device for holding a twist-drill during pointing comprises a fixed abutment 2 having a recess with walls 8, 9 which, respectively, engage the land 14 near the point of the drill and overhang the leading edge thereof, and an angularly-adjustable abutment 3 having a straight edge or surface 11, substantially perpendicular to the drill axis, which edge contacts the opposite land at 16, Fig. 5, to locate the drill in the required angular position, the other end of the drill 13 resting freely in a V-shaped support; the drill is hand or machine held to resist a torque applied by the grinding wheel tending to move the land 14 out of the recess in the abutment 2. Specification 932,422 is referred to.
Patent GB-1506166-A (GB)
Title: Frozen potato chips
IPC: A23L19/12
Filed: 1975-08-29
Abstract: 1506166 Frozen potato chips UNION INTERNATIONAL CO Ltd 29 Aug 1975 [30 Aug 1974] 37942/74 Heading A2D A process for the preparation of frozen potato chip's comprises (a) preparing raw potato chips from potato tubers; (b) blanching said chips; (c) coating the blanched chip's with a gum; (d) partially dehydrating the coated ohips by rapid hot air drying and (e) cooling and freezing the chip product. The gum may be a plant polysaccharide or protein or a cellulose or starch derivative. Step (b) may be carried out by heating the raw chips in a solution of a suitable chelating agent such as disodium dihydrogen pyrophosphate to prevent blackening of the chip product. The step (b) may be carried out by preheating the chips e.g. by steam or microwaves, and then dipping the chips in a solution of a suitable chelating agent for at least 30 secs. In step (d), the moisture content of the potato chips is suitably reduced to 68 to 74%.
Patent GB-1334127-A (GB)
Title: Viscous developer suitable for use in a silver halide diffusion- transfer process
IPC: G03C8/06
Filed: 1971-08-13
Abstract: 1334127 Photographic developer FUJI PHOTO FILM CO Ltd 13 Aug 1971 [17 Aug 1970] 38214/71 Heading G2C Viscous developer for the silver salt diffusion transfer process comprises (1) a silver halide solvent, (2) a cellulose derivative thickening agent, (3) an alkaline agent, and (4) a (2-4C alkyl) hydroquinone as developing agent. Preferably (1) Na 2 S 2 O 3  optionally mixed with KCNS, (2) is meltyl-, hydroxyethyl or carboxymethyl-cellulose, and the developer may also contain an antifoggant (e.g. 1-phenyl-5-mercaptotetriazole) and / or a toning agent (e.g. 2-morpholinomethyl-3- phenyl- 1, 2, 4-triazole, 3-methyl-1- morpholinomethyl-4-phenyl-1, 2, 4-triazole-2-in- 5-thione or 1-hydroxymethyl-3-methyl-1, 2, 4- triazole-2-in-thione).