baber/WOPTO huggingface dataset:
Patent GB-463703-A (GB)
Title: Improvements in and relating to apparatus for filtering liquids
IPC: B01D35/16
Filed: 1935-10-10
Abstract: 463,703. Filters. PRECISION METERS, Ltd., and HORTON, F. Oct. 10, 1935, No. 27997. [Class 46] A filtering element, which is arranged so that liquid passes upwards therethrough, comprises a number of surfaces extending in the direction of flow and adapted to move relatively to one another or to vibrate under the flow of liquid against the action of a spring. Liquid passes upward in a casing 5 with inlet 6 and outlet 7 through a filtering element 8, normally of inverted conical shape, which is formed by coiling alternate corrugated and plane metal strips about a sleeve 12, one end of each strip being inserted into a cut in the sleeve. The periphery of the element is gripped between rings 9, 10, in a recess in the casing and the sleeve 12 is mounted on a plunger 13, which, under pressure of the liquid, slides in a sleeve 14 against the action of a spring 17, upward movement being limited by a perforated plate or spider 16 when the boss 15 of the spider engages the end of the sleeve 14. The inlet 6 may be arranged tangentially to give a scouring effect. Separated matter falls past a valve 21 into a detachable cup 20, which is screwed to the casing 5. The valve 21 is kept in its upper open position by a screwed stop 25, which engages the valve stem 26 and can be withdrawn to allow the valve to close under the action of a spring 24, when it is desired to detach and empty the cup 20, this arrangement forming the subjectmatter of Specification 463,832.
Patent GB-261371-A (GB)
Title: Improvements in and relating to primary voltaic cells
IPC: H01M50/566
Filed: 1926-11-08
Abstract: 261,371. Compagnie Franþaise pour l'Exploitation des ProcÚdÚs Thomson-Houston. Nov. 12, 1925, [Convention date]. Connections. - Metal currentcollecting strips are attached to the electrodes of primary batteries by autogenous welding. The collectors are made of the same metal as the electrodes. Fig. 2 shows a zinc electrode 1 to which a zinc, strip 2 is attached by electric spot welding at the points 3.
Patent GB-304628-A (GB)
Title: Improvements in or relating to web directing mechanism for use in printing machines
IPC: B41F13/06
Filed: 1927-10-22
Abstract: 304,62,8. Morris, E. T. Oct. 22, 1927. Feeding webs.-Turner bars are connected to their supporting brackets in such a manner as to allow sufficient angular adjustment of the bars to permit reversal of the direction of the run of the webs from the bars. The bar 1, Fig. 1, is provided with slots 2 through which pass bolts 3 securing the bars to blocks 4, 5 slidable in brackets 6, 7 which are slidable on the machine frame bars 9. The bar may thus be readily moved from the position shown in full lines to that shown in broken lines to reverse the direction of run of the web 14. Tubular margin bearers 13, Fig. 3, secured in the bar 1 have symmetrical marginsupporting positions 13<a>, 13<b>, for alternative use according to the angular position of the bar, but margin bearers of ordinary construction may be employed, the bar being in that case rotated on its arms through 180‹ when its angular position is changed.
Patent GB-1323025-A (GB)
Title: Impurity diffusion process employing wafers made of desired  impurity as impurity sources
IPC: C30B31/16
Filed: 1971-06-16
Abstract: 1323025 Semi-conductor devices MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 16 June 1971 [16 Jnne 1970] 28175/71 Heading H1K A diffusion process resulting in uniform sheet resistivity and junction depth in a plurality of wafers comprises arranging impurity source wafers 15, 15<SP>1</SP> between semi-conductor wafers 14, 14<SP>1</SP>, 14<SP>11</SP>, 14<SP>111</SP>, passing a carrier gas over the wafers at an average velocity of less than 6 mm./sec., the wafers being heated at between 800‹ and 1200‹ C. to vaporize oxide gas from the source wafers, the spacing between the wafers being equal to, or less than, 2 #Dt where D is the diffusion coefficient of the oxide gas in the carrier gas, and t is diffusion time in seconds. The semi-conductor wafers may be of silicon or germanium, the source wafers being a nitrile of boron, aluminium, indium, gallium or phosphorus having an oxide coating thereon formed by prior heating at between 900‹ and 1000‹ C. The carrier gas may be of nitrogen, heliumhydrogen, helium-nitrogen or hydrogen-nitrogen. Buffers may be provided in the furnace tube 10 in which diffusion takes places to ensure that the carrier gas does not disturb the impurity gas flow from the source wafers to semi-conductor wafers.
Patent GB-1526160-A (GB)
Title: Cooling system
IPC: F28D15/02
Filed: 1977-07-05
Abstract: 1526160 Heat pipes TELEFONAKTIE BOLAGET L M ERICSSON 5 July 1977 [9 July 1976] 28187/77 Heading F4U A cooling system for dissipating to the surroundings heat generated in equipment 20, e.g. transmitter or computer equipment in an aircraft, comprises a heat pipe 18 having an evaporator portion 19, thermally connected to the equipment, and a condenser portion 22 thermally connected to a porous heat conducting body 13, an evaporable liquid being supplied to the body 13 in use of the system. As shown, the body 13 comprises a sheet of sintered copper located in an aperture 12 in an aircraft fuselage 11 and secured to a plate 16 forming one end of the heat pipe. A liquid, e.g. water, is fed through an inlet tube 15 to channels 14 provided in the body 13. Alternatively, if the body 13 is located adjacent to the inlet of a jet engine, an inflammable liquid, e.g. methyl alcohol, light petrol or jet fuel may be used instead of water.
Patent GB-1120169-A (GB)
Title: Improvements in or relating to detonators for explosives
IPC: F42B3/16
Filed: 1966-06-23
Abstract: 1,120,169. Seals. R. TURQUOIS. 23 June, 1966 [25 June, 1965; 31 March, 1966], No. 28188/66. Heading F2B. [Also in Division F3] In a delay detonator (see Division F3) a rectilinearly movable support 16 is slidably sealed in a case 10 by a seal (21), also in Figs. 2 and 17-18 (not shown). The seal can slide on support 16 to equalize the interior and exterior pressures. The seal consists of spaced annular discs 29 connected by foraminous tubes 30. Silicone liquid filling the space between the centre discs and the tubes keeps felt pads 28 moist between the outer pair of discs.
Patent GB-603461-A (GB)
Title: Improvements in or relating to invertible agricultural ploughs
IPC: A01B3/30
Filed: 1945-10-25
Abstract: 603,461. Agricultural implements. SCHAPIRO, J. I. Oct. 25, 1945, No. 28220. [Class 6(i)] An invertible plough, of the type having plough bodies rotatable about a longitudinal axis, is provided with front wheels 22, 23 mounted upon independent cranked axles so that each wheel may serve alternately as land or furrow wheel and either wheel may be retained in the furrow - wheel position by a retractible arm 31 movable from side to side with the tool frame. In the form shown, the plough comprises a tool frame 1 carrying sets of oppositely disposed bodies 5, 8, the frame being rotatably mounted on bearings 2 on a tube 4 supported, at the front end by a main frame which includes a pair of land wheels 22, 23 mounted on independent cranked axles 18, 20, and at the rear end by a castor wheel. The cranked axles have extensions 24 carrying swivel sleeves 25, the wheels being free to ride upwardly until the sleeves abut against collars 27 formed on the ends of screw-rods 26 adjustably mounted in nuts 28 on the main frame. Either wheel may be retained in furrow wheel position by its axle abutting against one arm 31 of a furrow wheel control 34 which is adjustable for depth by means of a screwrod and lever system 37, 39, 43. On rotating the tool frame about the tube 4 by means of a lever 44 and link 45, the furrow wheel control is caused to engage the opposite front wheel, the former furrow wheel being then free to rise into land wheel position as determined by its stop collar 27. The rear castor wheel (Fig. 1a, not shown), which runs in the furrow during ploughing, is mounted on parallel links and is lowered automatically to raise the plough bodies from the ground when the front wheels are lowered for transport.
Patent GB-210130-A (GB)
Title: Methods of welding and products thereof
IPC: B23K11/00
Filed: 1922-10-17
Abstract: 210,130. Scott, J. P. Oct. 17, 1922. Plates and sheets; wire fabrics; gratings; galvanic battery plates. - Flexible metal bodies are provided with stiffening means by fusing the body at the part to be stiffened, the rest of the body being compressed between members of heatconducting material. Foraminous electrodes or diaphragms used in the electrolytic production of hydrogen and oxygen &c. screens such as gas or liquid bubble screens, or flexible metal plates &c. may thus be provided on one or more sides with stiffened imperforate borders or edges, which may also be united to frames or supports. The edges of a single flexible body may be bent over on themselves so as to thicken the fused borders. In making an electrolytic electrode, one or more perforated or slotted plates or one or more interwoven or superposed layers of metal gauze cloth or netting 12 which may be coated with or composed of nickel, cobalt &c. are placed between a pair of metal clamps 10, 11 so as to press and compact the material to form parallel surfaces. The edges preferably project from the clamps and are fused by an oxyacetylene or oxyhydrogen torch so as to form the stiffened border. Two or more strips 13, 14 of iron, steel &c. to form bus-bars for the electrodes, may be, inserted in recesses 11<a> in any of the sides of the clamps so as to be united to the fused metal of the border. The clamps conduct the heat away from the part of the work clamped therebetween, and may be hollow with water or air circulation therefor. Metal mav be added to the weld by fusing a wire or rod of the same metal or of a metal which does not form an electrolytic couple therewith. Thus nickel may be used when the work consists of iron or steel. The edges of the electrodes may be bevelled or chamfered so that no part projects beyond the plane of the front face thereof. The electrode plates may be continuously or spot welded electrically or by oxyacetylene torch to sheet metal backing-plates, the electrode plates being spaced, if desired from the backing plates by studs, rivets &c. In Fig. 4, a bi-polar electrode is formed by welding the electrodes A, B to a backing plate 20 by roller electrodes 21, 22. In making a uni-polar electrode for the end of a multi-cell, a sheet of copper or other highly conductive metal may be also secured to the backing plates so as to ensure good current distribution in the cell.
Patent GB-154435-A (GB)
Title: Improvements in or relating to detachable rims for vehicle wheels
IPC: B60B23/02
Filed: 1919-11-14
Abstract: 154,435. Shaeffer, C. W. Nov. 14, 1919. Tyre attachments to rims.-A split rim 7 is expanded and contacted for removing and replacing the tyre by means of a lever 17 pivoted at 15 to one end of the rim and at 14 to an arm 13 rigidly secured to the other end. One of the devices is provided on each side. of the rim. In the normal or expanded condition of the rim the arm 13 and lever 17 lie side by side and are shrouded by the overhanging flange of the rim. The levers 17 may be connected by a cross-bar at their free ends. The pivots may be formed of brass or other rustless metal and may consist of a rivet 21 secured to the arm 13 and having a hemispherical head 20a on which the lever 17 is retained by a washer 24 and the riveted stem 23.
Patent GB-211100-A (GB)
Title: Improvements in electric regulating systems
IPC: H02P7/34
Filed: 1923-11-09
Abstract: 211,100. British Thomson-Houston Co., Ltd., (Assignees of Thompson, L. W.). Feb. 10, 1923, [Convention date]. Regulation, automatic.-Relates to automatic control-systems for maintaining constant speed of a motor or constant voltage of a generator. According to the invention the machine to be controlled is mechanically coupled to an alternating current generator which, through a capacity reactance device, feeds a circuit containing a responsive vibrator or the like controlling the field of the primary machine. The means whereby the field is controlled comprise a counter-voltage motor arranged as described in Specification 139,836. The arrangement applied to constant speed control of a motor is shown in Fig. 1. The motor 1 drives an alternator 20 connected to a vibrator coil 18 through the primary of a. transformer 26 having its secondary shunted by condensers 25. The transformer is adjusted so that the effects of varying speed on the voltage of the alternator are considerably magnified in the coil 18. The magnified effects are transmitted in a compensatory direction to the field 3 of the motor 1 by means of a counter voltage motor 7 acting as a positive or negative booster to an exciter generator 4. In applying the invention to controlling the voltage of a generator, an auxiliary motor connected across the generator leads drives the alternator feeding the capacity reactance circuit, the arrangement being generally similar to that described above.
Patent GB-1277995-A (GB)
Title: Improvements in and relating to seaming wire cloth
IPC: B23K9/00
Filed: 1970-06-11
Abstract: 1277995 Brazing CAPITAL WIRE CLOTH Ltd 11 June 1970 [12 June 1969] 28325/70 Heading B3R End edges of wire cloth are seamed together by a plasma arc process. An apparatus for effecting the process comprises a plasma arc torch T (Fig. 3) connected to pilot and main arc power supplies and sources of argon for the plasma and argon, 5% hydrogen for shielding. The torch is adjustably mounted on a seaming head H (Fig. 6) allowing its adjustment in height relative to the work. The torch can be pivoted out of its working position by means of a handle 155. A cavity 131 below the seam line co-operates with a slot formed in a wear plate on which the cloth rests, in use, to direct hot gases to the rear side of the work. A ribbon of stainless steel with a gold coating is used to effect the seam; the ribbon is tensioned and guided in the apparatus and, in the process, the gold acts as a solder, flowing around abutting warp ends of the cloth edges. The apparatus includes means for holding and positioning the cloth pieces to be joined (Fig. 10). First ends of the cloth pieces are held in clamps 162 which are connected via springs 163 and chains 164 to an adjacent edge of a seaming table 160. Second ends of the cloth pieces are held in similar clamps 162 connected via spring- balances 165 and chains 165<SP>1</SP> to opposite ends of a lever 166 whose pivot shaft 167 mounts a worm wheel 168 meshing with a worm 169. The latter is on a shaft which can be rotated through an endless cable and pulley arrangement. A microscope M assists in viewing the cloth edges during their correct alignment.
Patent GB-747917-A (GB)
Title: Improvements relating to multi-cavity magnetrons
Inventor: DUNSMUIR ROBERT
IPC: H01J23/46
Filed: 1953-10-14
Abstract: 747,917. Magnetrons. BRITISHTHOMSONHOUSTON CO., Ltd. Oct. 18, 1954 [Oct. 14, 1953], No. 28351/53. Class 39 (1). A strapped multi-cavity magnetron has an output loop 4 terminating in two loops, one in each of a pair of adjacent cavities 9, 10. The loops are connected to adjacent anode vanes 11, 12 at 13 and 14. Oscillation is confined to the #-mode without exciting the n=1 mode.
Patent GB-227566-A (GB)
Title: Improvements in atmospheric gas burners
IPC: F23D14/04
Filed: 1923-11-10
Abstract: 227,566. Yates, H. J., Howlett & Co., Ltd., M., and Dolphin, J. Nov. 10, 1923. Atmospheric gas burners; burners, regulating. - A gas regulator for an atmospheric burner comprises a plug 6, formed with longitudinal tapering grooves 7 and connected by two diametrically opposite arms 9 and a washer 10 to a hollow member 3, mounted in a casing 14 and attached to a screwed stem 1 having a slot 2 for engaging a screw-driver or other operating tool, the member 3 being provided with two oppositely disposed ports 4 adapted to regulate the inlet of gas through a pipe 15 and the grooves 7 co-operating with a collar 12 for regulating the passage of gas from the casing 14 into the mixing-chamber. The plug 6 may be provided with uncontrolled openings 8 and the grooves 7 may be replaced by grooves of various lengths as described in Specification 221,994. The valve 6 may be replaced by a needle valve.
Patent GB-1016053-A (GB)
Title: Liquid dispenser
Inventor: ANDREWS MAURICE
IPC: A47L25/08
Filed: 1963-07-18
Abstract: 1,016,053. Liquid applicators. MINICLEANS Ltd. Oct. 16, 1964 [July 18, 1963], No. 28445/63. Heading A4K. Cleaning or other liquid is sealed in a thin-walled glass ampoule 7 which is broken, by squeezing resilient tube 1, to release it for application by a nozzle, pad, brush or wick 3. The tube 1 may be of polyethylene and the wick may consist of parallel fibres 4 in a woven sleeve 5. The applicators are held together and the wicks are clamped in place by a pressing operation at elevated temperture which forms a breakable seal 8 between them.
Patent GB-360580-A (GB)
Title: Improvements in or relating to a process and apparatus for weighing and filling granular or pulverulent materials into receptacles particularly bags
IPC: B65B1/18
Filed: 1930-09-23
Abstract: 360,580. Automatic feed weighers. ANDREAS, A., 3, Engelstrasse, M³nster, Westphalia, Germany. Sept. 23, 1930, No. 28490. Convention date, Sept. 23, 1929. [Class 143.] In a machine for weighing and filling powdered or granular substances into valve or other bags the material is fed from a perforated drum 3 in a casing 2 to a distributing worm 5 which conveys it to an outlet 6. The feed through this outlet is regulated by a slide 7 and the material falls into a container 10 suspended on a balance beam 11, which is turned so that a lever 14 releases a lever 15 when the weight is approached. The lever falls and closes a valve 8 so that a slow feed continues. When a lug 113 on the weight 13 contacts with and rocks a lever 19, a lever 18 pivoted on a pin 17 is released and allows a link 20, arm 21 and associated valve 9 to fall and stop the feed. The container 10 is closed at the bottom by a flap valve 22 normally held closed by an arm 124 and a toggle joint 24, 240 connected to a hook 49 at the other end. A cam 45 raises an arm 41 and causes a pawl 48 to engage the hook and pull it down, allowing the flap 22 to open. The material falls into a hopper 25 and is conveyed through a nozzle 27 into a bag 60 at a speed greater than that at which it escapes from the container 10. A number of such apparatus may be coupled together with common actuating means so timed that while weighing is taking place in one apparatus, filling is taking place in the next, and the bag is being removed in the next. The entire apparatus may be enclosed in a dust tight cover provided with exhausting devices for the delivery of escaping material to collecting places.
Patent GB-339693-A (GB)
Title: Improvements in or relating to miners' coal boxes or scoops
IPC: E21F13/06
Filed: 1929-09-21
Abstract: 339,693. Arkell, A. H. Sept. 21, 1929. Scoops.-A miner's coal box or scoop is made with handles A formed integrally with the sides by rolling over extensions formed thereon. Recesses are formed in the sides to form shields B for the knuckles. Specification 150,091, [Class 52 (i), Furniture, Fittings &c. for], is referred to.
Patent GB-255014-A (GB)
Title: Process and apparatus for the concentration of latex
IPC: B29B13/06
Filed: 1925-11-13
Abstract: 255,014. K.D.P., Ltd. July 9, 1925, [Convention date]. Addition to 244,727. Latex, treating.-In apparatus for carrying out the process of the parent Specification, the ends of the drum f are rounded off to prevent friction between the ends of the drum and the roller p. The drum f may be provided with a jacket k for the circulation of heating medium. The thickness of the film of latex may be controlled by adjusting the weight of the roller p. In a modification. the moving surface consists of a belt or drum dipping into a latex bath.
Patent GB-983016-A (GB)
Title: Improvements in or relating to indicator boards
IPC: G09F7/10
Filed: 1962-07-26
Abstract: 983,016. Indicator boards. M. GERASIMOV. Oct. 25,1963 [July 26, 1962], No. 28781/62. Addition to 836, 357. Heading G5C. A board for displaying variable information comprises parallel tracks 2, 3 (Fig. 1), and indicator 4<SP>1</SP>, captive in but movable along each track, and, clips 5 engageable across a track so as not to obstruct movement of indicator 4<SP>1</SP>, at least some indicators 4<SP>1</SP> having means 9 to carry changeable information-carrying slips. Fig. 2 shows a means 9, supported on two spring-metal clips 4, comprising a box with a window 11 and two slidable trays 10 carrying slips 12. Trays 10 may be partly withdrawn from box 9 (Fig. 3, not shown), so that slips 12 may be changed. A number may be inscribed in box 9 between the ends of the inserted trays 10. A shorter box 9 with only one tray and mounted on one clip 4 may be used. A box 9 could be mounted in a similar fashion on the # shaped spring-metal clip 5.
Patent GB-1474389-A (GB)
Title: Cleaning composition and method
IPC: C11D3/14
Filed: 1974-06-18
Abstract: 1474389 Spray - cleaning suspensions PYRENE CHEMICAL SERVICES Ltd 18 June 1974 [18 June 1973] 28785/73 Heading C5D Contaminated surfaces, especially those of food transport containers contaminated with wax, food particles and dust, are cleaned by forcibly spraying against the said surfaces an alkaline suspension of finely-divided insoluble material in an aqueous solution containing an alkaline substance and a surface-active agent. Preferred suspensions have a pH of at least 8 and contain up to 5% by weight of alkaline substance comprising alkali-metal silicate or phosphate, up to 3% by weight of surfaceactive agent and 0À01 to 5% by weight of finely divided-insoluble material. The latter may be pumice, ground egg shells, bentonite, lime, calcium phosphate, ground nut shells, ground bakelite, carborundum, sand, powdered glass, kieslguhr, alumina or magnesia. The alkaline substance may also contain sodium carbonate and the surface-active agent may be anionic, cationic or non-ionic, e.g. a potassium fatty acid sulphonate derived from oleic acid. Alkalimetal polyphosphates may also be present.