baber/WOPTO huggingface dataset:
Patent GB-199020-A (GB)
IPC: H01M4/48
Filed: 1923-06-04
Abstract: 199,020. Grafenberg, L. June 7, 1922, [Convention date]. Electrodes.-Active material containing cadmium for the negative electrodes of galvanic batteries is prepared by the electrolysis of a solution containing a complex cadmium ammonia salt such as cadmium ammonia sulphate. Other metals such as nickel and copper which form complex ammonia salts may be deposited with the cadmium by the addition of the said salts to the electrolytic bath. The anodes in the electrolytic bath may consist of cadmium or nickelcadmium alloy, the cathodes being of nickel, iron, &c. The spongy metal which is deposited is washed and dried at about 100‹ C. whereby the cadmium is partly oxidised. If the electrolytic bath contains a sufficient quantity of free ammonia, cadmium hydrate is formed at the anode. This may be used as active material either alone or mixed with the cathode sponge.
Patent GB-886904-A (GB)
Title: Improvements in or relating to photographic cameras
IPC: G03B13/26
Filed: 1958-05-08
Abstract: 886,904. Photographic twin-lens cameras. HEIDECKE, R., and FRANKE, H., [trading as FRANKE & HEIDECKE, FABRIK PHOTOGR. PRAZISIOUS - APPARATE.]. May 8, 1958 [July 11, 1957], No. 14754/58. Class 98(1). In a reflex finder twin-lens camera, a parallax compensation slide operated from the lens board is disposed beneath the removable, e.g. laterally removable, or upwardly hingeable ground glass screen and is guided so as to be movable parallel to the screen, the slide and picture field-defining masks being provided with interengageable connections. As shown, the ground glass screen 4 in a frame 5 is supported by springs 6 on a carrier 3 hinged at 2 to the camera body 1 against which it is held by the engagement of catches 7 in slots 8, the hinges being resilient in the plane of the screen by the hinge pin being carried by the head of a pin outwardly displaceable in said plane against a spring. A picture masking frame 12 of the maximum format employed is displaceable in guideways 13 through linkage 10, 11 connection to the camera lens board 9. Masks as 15 of different format are located on the frame 12 by pins 14 engaging holes 16 in the mask.
Patent GB-701261-A (GB)
Title: Improvements in and relating to a process for the concentration of xylenes by azeotropic distillation
Inventor: FOXON GORDON HOWARD
IPC: C07C7/06
Filed: 1950-06-14
Abstract: A fraction rich in xylenes, ethyl benzene and styrene is separated from mixtures which contain these aromatic hydrocarbons together with non-aromatic hydrocarbons, by submitting the mixture to azeotropic distillation in the presence of 2-methoxyethanol containing 1 to 9 per cent. by weight of water, and withdrawing the fraction rich in the required aromatic hydrocarbons as bottoms product from the fractionation zone.  The overhead vapours are condensed, and the condensate is cooled until two liquid phases separate.  The lower phase contains most of the 2-methoxyethanol together with most of the water while the upper phase is rich in non-aromatic hydrocarbons. The bottoms product of the azeotropic distillation and the upper phase of the condensate may be separately subjected to fractionation to give purified concentrates of aromatic and non-aromatic hydrocarbons respectively.  In an example, cracked petrol boiling within the range 130 DEG -145 DEG C. comprising 55 per cent. (by volume) of xylenes and ethyl benzene and 45 per cent. of non-aromatics was treated.  A mixture containing 70.6 per cent. by volume of the cracked petrol, 2-methoxyethanol (28.5 per cent.), and water (0.9 per cent.) was fed into the mid-point of a fractionating column (1 1/2 " diameter, packed to a length of 6 feet with 1/8 " Raschig rings).  Fractionation was carried out with a head temperature of 115 DEG  and a base <PICT:0701261/III/1> temperature of 138 DEG , the reflux ratio being 5:1.  About 91 per cent. of the hydrocarbons contained in the bottoms fraction were aromatics.  80 per cent. of the hydrocarbons in the overhead fraction were non-aromatics.  The overhead fraction which contained all the water in the feed and 95 per cent. of the 2-methoxyethanol, was condensed and then cooled to 35 DEG .  The upper liquid phase contained 77 per cent. of the hydrocarbons present in the overhead fraction together with some 2-methoxyethanol, while the lower phase contained all the water, the bulk of the 2-methoxyethanol and some hydrocarbons.  In the apparatus shown, the feed is supplied to column 1 through line 4. The overhead fraction from column 1 is condensed in condenser 5 and the condensate is cooled in cooler 7.  The cooled condensate is allowed to stratify in decanter 8.  The lower layer is returned to the feed-point of column 1, and the upper layer is stripped of 2-methoxyethanol in column 9.  The fraction withdrawn from the base of column 9 is rich in non-aromatics.  The overhead fraction from column 9, comprising an azeotropic mixture of 2-methoxyethanol and non-aromatics, is recycled to decanter 8. The bottoms fraction withdrawn from column 1, is fractionated in column 12 to give an overhead fraction comprising an azeotropic mixture of 2-methoxyethanol and aromatics, which is returned to the feed-point of column 1, and a bottoms fraction rich in aromatics.  Specification 591,983 is referred to.
Patent GB-897547-A (GB)
Title: Improvements in the heat treatment of textile fabrics
Inventor: CHADWICK THOMAS CHRISTOPHER
IPC: D06C3/00
Filed: 1959-05-01
Abstract: 897,547. Finishing-fabrics. WALKDEN, MAKIN & CO. Ltd. July 11, 1960 [May 1, 1959], No. 14871/59. Class 42 (1). A stenter for the heat treatment of textile fabrics and of the type in which the fabric 1 under tension is traversed through the machine whilst held along both selvedges 2 by stenter clips B<SP>1</SP> or pins mounted on links on two travelling chains B, comprises a heating element D, preferably electric, arranged below sole plates C at each side of the machine to apply heat to the selvedges clamped thereto to subject them to a temperature equal to that to which the remainder of the fabric is subjected. Each plate C comprises portions c, c<SP>1</SP> and c<SP>2</SP>, the latter protecting the body of the fabric 1 from radiation from the heating elements D which are mounted on the machine frame. Radiant heat is conducted from the portion c<SP>2</SP> to the selvedge 2. The body of the fabric is heat treated in known manner. An insulation strip b is provided above each chain B and below the plate C.
Patent GB-243999-A (GB)
Title: Improvements in and relating to boilers for heating apparatus
IPC: F24H1/32
Filed: 1925-06-08
Abstract: 243,999. Davey, Paxman & Co., Ltd., and Hazell, R. L. K. June 8, 1925. Addition to 236,016. Sectional boilers.- The boiler according to the parent Specification is modified by the provision of two water passages 5 situated at the junctions of the horizontal and vertical parts of the elements 1 in place of one pas. sage over the crown of the boiler. Manholes are provided in the outer walls registering with the water pas. sages. The passages may be made the same width as the elements so as themselves to form baffles dividing the flues into upper and lower parts.
Patent GB-612186-A (GB)
Title: Improvements in or relating to a field member consisting of a permanent magnet of cylindrical or annular shape
IPC: H01F7/02
Filed: 1946-05-17
Abstract: 612,186. Permanent magnet machines. MAGNETOS LUCIFER, SOC. ANON. May 17, 1946, No. 14918. Convention date, May 25, 1945. [Class 35] A stationary or rotary cylindrical or annular radiallymagnetised permanent magnet for a generator, motor, or slip coupling is of low permeability material of coercive force greater than 280 Oersted and has thin polepieces of high permeability material. As shown, the polepieces 2 of the magnet 1 are skewed and may be of several strips side by side. They may be on the inner or outer periphery in the case of an annular magnet and may be flush with the surface if cast in position or if the magnet is made up of moulded pulverized material.
Patent GB-119899-A (GB)
Title: Improvements in or relating to Tool-adjusting Devices for Lathes.
Inventor: GUY CHARLES MUNRO
IPC: B23B29/16
Filed: 1917-10-15
Abstract: 119,899. Guy, C. M., and Exton, L. Oct. 15, 1917. Turning.-In turning shells &c., the position of the tool B is regulated by a gauging-member C on the tool cross slides A which is constantly pressed against the work. To set the tool, a test shell of standard size is inserted and the tool adjusted by finger pressure and secured in its pillar B<1>. The tool B is held up, to remove a finished piece and to insert and commence on a fresh one, by a screw D, and the surface thus turned serves as a path for the gauge-ring C which is carried by a ball bearing C<1> on an eccentric C<2>. The screw D is then withdrawn so that the slide A is pressed to the left, by a weight and cord E, and as it is carried along the lathe by the saddle the tool cuts the work to the required diameter. The eccentric is adjusted to compensate for wear of the tool and turnings are removed from the ring C by a pad G.
Patent GB-334929-A (GB)
Title: Improvements in or relating to the manufacture of rolls
IPC: B21B27/00
Filed: 1929-05-13
Abstract: 334,929. Hallin, K. G. May 13, 1929. Rolling.-Rolls for cold rolling comprise an outer shell of cast iron or steel and a core of other metal such as cast, pressed or forged alloy steel and are produced by heating the shell to hardening temperature and shrinking it on to the core. 400‹-700‹ C. is mentioned as a suitable temperature range.
Patent GB-652230-A (GB)
Title: Improvements in or relating to magnesium base alloys
IPC: C22C1/02
Filed: 1946-05-17
Abstract: A composition for alloying zirconium with magnesium consisting of an intimate fused anhydrous mixture consisting of at least one of the chlorides of barium and strontium, zirconium chloride, with or without halides of "permissible elements," the mixture containing at least 15 per cent of barium chloride or at least 20 per cent of strontium chloride or a mixture of barium and strontium chlorides in amounts equivalent to at least 15 per cent barium chloride reckoning 1 per cent of strontium chloride as equivalent to at least 0.7 per cent of barium chloride, the mixture containing at least 4 per cent of zirconium.  The mixture may contain one or more of the chlorides of potassium and sodium, e.g. it may contain at least 15 per cent of zirconium chloride and at least 10 per cent potassium chloride.  The mixture may also contain some zirconium fluoride for the purpose of inspissating the chlorides remaining after alloying.  A composition formed by reacting the above mixture with molten magnesium may also be used for alloying zirconium with magnesium.  This composition consists of an intimate fused mixture having the following phases: (1) a salt phase consisting of barium and/or strontium chlorides and magnesium chloride with or without alkali metal chlorides or calcium chloride and reducible chlorides of "permissible metals," the quantity of which phase is 1-30 per cent by weight of the composition; (2) a phase rich in magnesium or in a "permissible element"; (3) a zirconium rich phase disposed within phase (2) and containing zirconium in a readily alloyable form, the composition being substantially free from fluorine and "zirconium alloying inhibitor elements" and containing at least 5 per cent of zirconium. "Permissible elements" are defined as elements which are incapable of combining with the zirconium dissolved in magnesium to form high melting point compounds which settle out.  These elements are chiefly zinc, cadmium, cerium, silver, thallium, thorium, copper, bismuth, beryllium, lead, calcium.  "Zirconium alloying inhibitor elements" are elements which do form such high melting point compounds. Specifications 511,137, 624,304, 652,222 and 652,234 are referred to.
Patent GB-438376-A (GB)
Title: Improvements relating to the manufacture of metal tubes
IPC: B21B21/00
Filed: 1934-05-18
Abstract: 438,376. Making tubes. ESSER, H., 37, Hagelkreuzstrasse, Hilden, Germany. May 18, 1934, No. 14972. Convention date, Aug. 7, 1933. [Classes 83 (ii) and 83 (iv)] Rolling.-In the pilger-rolling of tubes, thickened ends b, c are formed by increasing the roll pass when rolling the end b, and by leaving the pilger-head at the end c wholly or partly unchanged, the tube being subsequently expanded. Screwthreads or flanges may be formed on the thickened ends. Specification 400,111 is referred to.
Patent GB-706636-A (GB)
Title: Improvements relating to method of and means for hardening sheet metal
IPC: C21D1/52
Filed: 1951-06-25
Abstract: 706,636. Hardening metal strip. LOO, R. VAN. June 25, 1951 [July 13, 1950], No. 14980/51. Class 72 [Also in Group XXX] In a process for continuously hardening metal strip, c'lamping means maintaining the portion of strip under treatment in a state of mechanical tension are located each side of a hardening zone, disposed transversely to the direction of motion of the strip, in which heating and subsequent quenching is effected. As shown in Fig. 1. rollers 8 and 9 constitute the clamping means, the rollers 9 being advanced to tension the strip 5 as it passes the burners 1 'and 2 supplied with gas and air, and water nozzles 3 and 4. Additional and smaller burners 6 and 7 may be used to temper the strip after hardening, and straighteners 14 and 15 are positioned before and after the hardening device. As shown in Fig. 2, the rollers 8 and 9 are replaced by pairs of clamps 10, 12 and 11, 13. These clamps reciprocate horizontally in pairs, at least one pair always gripping the strip and carrying it at constant speed to the right.
Patent GB-673677-A (GB)
Title: Improvements in or relating to a method of and composition for coating aluminium andaluminium alloys
IPC: C23C22/38
Filed: 1949-06-03
Abstract: Aluminium and aluminium alloys are subjected to the action of an aqueous acid solution containing phosphate ions, fluoride ions and dichromate ions, the phosphate ion content of the solution being between 1.5 and 300 grams per litre, the CrO3 ion content between 3.2 and 140 grams per litre, the fluoride ion content between 0.75 and 95 grams per litre, the ratio of fluoride ions to CrO3 ion between 0.17 and 2.6, and the pH value of the solution between 3.2 and 7.0.  The ions may be introduced as phosphoric acid, monosodium phosphate, monopotassium or mono-ammonium phosphate; hydrofluoric acid, potassium fluoride or ammonium bifluoride; and chromic acid or potassium or sodium chromate or dichromate.  The pH value may be adjusted by the addition of acids or alkalis.  Cations which may be present include aluminium, chromium, zinc, copper, manganese, iron, nickel, cobalt, calcium, barium, strontium and tin; also other anions, such as sulphate, nitrate, acetate and chloride ions, wetting agents and reducing substances may be present. Specification 632,102 is referred to.
Patent GB-938647-A (GB)
Title: Oxide catalysts
IPC: C07C45/38
Filed: 1962-04-18
Abstract: Catalysts for the oxidation of CH3OH to HCHO consist of Fe2O3, MoO3 and from 0,05-1% of Cr. Preferably the catalyst composition is such that the molar ratio MoO3/Fe2O3 is from 3 to 8, its surface is from 4-14 m2/gm., and pore volume­ca. 0,15-6,0 ml./gm. Examples are given. Specification 938,648 is referred to.ALSO:CH3OH is oxidised to H.CHO in the presence of a catalyst consisting of Fe2O3, MoO3 and 0.05-1% of Cr. Examples describe the passage of air methanol mixtures through reactors packed with catalyst at 280 DEG C. and 350-420 DEG C. Specification 938,648 is referred to.
Patent GB-1192995-A (GB)
Title: Formimino Ethers
IPC: C07D213/74
Filed: 1968-03-28
Abstract: 1,192,995. Formimino ethers. EGYESLT GYOGYSZER-ES TAPSZERGYAR. 28 March, 1968 [12 April, 1967], No. 15049/68. Heading C2C. Novel compounds of Formula I in which R<SP>1</SP> is a saturated or unsaturated straight or branched chain C 7-20  hydrocarbon group, C 5-7  cycloalkyl, benzyl, phenethyl, di- (C 1-4 )-alkylamino-(C 1-4 )-alkyland R<SP>2</SP> is H, halo, nitro, or C 1-4  alkyl and their quaternary ammonium derivatives are prepared by reacting the corresponding compound I in which R<SP>1</SP> is C 1-4  alkyl with R<SP>1</SP>OH, where R<SP>1</SP> is as defined above. Pharmaceutical compositions having anthelmintic activity comprise a compound I in association with a carrier.
Patent GB-1142650-A (GB)
Title: Treating goods in steam-heated apparatus
IPC: A47J27/16
Filed: 1966-04-05
Abstract: 1,142,650. Steam heated cooking apparatus. ELECTROLUX A.B. 5 April, 1966 [9 April, 1965], No. 15105/66. Heading A4D. [Also in Division G3] A steam heated oven 10 is supplied with steam through a pipe 11 and a valve 15 which is controlled in response to the temperature in the oven. Compressed air is supplied through a pipe 14 and reducing valve 19 to a T-junction 20 from which the air acts on the motor of valve 15, the pressure being controlled by a valve 23 in response to a thermostat 25. The steam flows through a conduit 16 to spray 17. The compressed air supply also passes through conduit 26 and injector 27 to conduit 16 and induces circulation of the steam through the oven 10. The oven is provided with a condensate drain valve 29 and pressure relief valve.
Patent GB-311818-A (GB)
Title: Improvements in vacuum electric tube devices
IPC: H01J19/30
Filed: 1929-05-14
Abstract: 311,818. Westinghouse Electric & Manufacturing Co., (Assignees of Eschholz, O. H.). May 17, 1928, [Convention date]. Vacuum tubes.- The surface of the anode of high-voltage hot - cathode rectifiers or other discharge tubes, such as amplifiers and oscillators, consists of thorium oxide, zirconium oxide. or zirconium carbide, and therefore has an extremely low electron emissivity at high temperatures. This enables the anode to be located close to the cathode and to run at a higher temperature and enables, the device to carry a higher current. In the device shown, the cathode is heated indirectly by a filament 13, the porcelain or like core 12 being provided with a sleeve or coating 14 of nickel &c. coated with an emissive oxide. The sleeve 14 may be continuous with a metal ring 15 supporting the core 12 and supported from a stem 2. The anode 5 is supported from a stem 3 and may be provided with radiating fins 8 or other cooling-devices. The anode may consist of metallic thorium or of tungsten or other refractory metal coated with thorium, the surface of the thorium being oxidized, or it may be formed by depositing thorium oxide on a nickel or molybdenum surface. The tube must be free from carbon or other reducing agent, but a trace of oxygen may be present.
Patent GB-217932-A (GB)
Title: Improvements in or relating to devices for filling the holders or containers of cigarette-making machines
IPC: A24C5/354
Filed: 1924-06-23
Abstract: 217,932. Koerner, E. June 23, 1923, [Convention date]. Cigarette-making machines. - Cigaret'tes conveyed from a cigarette machine by an endless band a, Fig. 1, are stacked in successive layers in containers b, b<1> supported in a slide c. A projection f at the upper end of each container b engages a screw-thread e on a shaft e<1>. The container is moved forward as each layer is completed by mechanism rotating the shaft e<1> intermittently. The lower end of the slide c comprises a hinged trap g opened automatically or otherwise and allowing the container b to be removed from the slide. When the container is nearly filled, the projection f depresses a lever (not shown) causing a spring pawl and ratchet mechanism to be wound up and, after the filling of the container b, the lever is released and the mechanism referred to rotates the shaft e<1>, thus bringing the following container b<1> into the correct position for receiving cigarettes. The belt a may deliver the cigarettes to a plate s, Fig. 7, from which they are removed and transferred to the container b by a reciprocating linen, steel, or other band t. The band is fastened at one end to a spring pulley v and is provided with stops u, u<1> which are pivoted about their lower ends and are turned during the return movement of the band t so as to lie in the plane of the band. A guide-pulley v<1> is provided. The stop u moves in a groove in the plate s. The Specification, as open to inspection under Sect. 91 (3) (a) comprises also the following subject-matter. The stops u, u<1> are turned about their pivots by spring-held toothed racks engaging pinions on the pivots and depressed by levers engagingd discs on the racks. Alternatively, the stop u may be fixed to the band t and may be made to pass below the guide-plate s on its return movement by mounting the pulleys v, v<1> eccentrically. In a modification, two bands t are provided, each having a stop u, and the plate s may comprise a narrow strip mounted between the bands t or may have two slots to receive the stops u. The outer end of the hand t is connected to swinging levers w<1>. This subjectmatter does not appear in the Specification as accepted.
Patent GB-529119-A (GB)
Title: Improvements in and relating to electric discharge lamp circuits
IPC: H05B41/10
Filed: 1939-05-22
Abstract: 529,119. Supply systems for discharge lamps. BRITISH THOMSON-HOUSTON CO., Ltd., and SCOTT, W. J. May 22, 1939, No. 15185. [Class 38 (iv)] In a circuit arrangement for starting and operating vapour discharge lamps having thermionic cathodes 2 preheated by connection across the supply in series with a choke 4 through a switch 5 which is opened to produce the inductive surge which initiates the discharge, the switch is opened automatically when the preheating has been effected by a magnetic member 6 moving under the influence of the flux of the choke and, in the attracted position, serving to reduce the impedance of the choke to a value suitable for running conditions. In a modification in which the choke is in the form of a transformer and the cathodes are supplied separately by secondary windings the armature moves to open the series connection between the cathodes and also to close a magnetic shunt across the secondaries thereby reducing the supply to the cathodes. Dash-pots may be associated with the switches to control their rate of closing.
Patent GB-151944-A (GB)
Abstract: 151,944. Kempter, F. March 14, 1917, [Convention date]. Accumulators. - In an hydraulic accumulator wherein a piston separates compressed air from pressure fluid, the fluid-supply controlling-device is operated from the piston by a short rod actuated in aqcordance with the fluctuations in the position of the piston near the fully-charged position. Fig. 1 shows an accumulator wherein a rod 1 projects through the top and carries a cross-piece from which depend rods 3, 4 carrying a weight 5, the rod 3 also carrying an arm 6 sliding on a rod 9 connected to a lever operating the controlling-valve 11 by which fluid is by-passed or sent to the accumulator. In its upward motion, the arm 6 engages a shoulder 7 on the rod, lifting the rod and lever 10 attached to it and thereby opening the by-pass. A pawl 13 passes under and supports the lever. When the piston and rod 3 fall sufficiently, a pin 14 on the rod strikes the lever 15 of the pawl, releasing the pawl and closing the by-pass. In a modification, the pressure fluid is above and the air below the piston, which operates a spring-pressed valve through a rod projecting through the bottom of the accumulator.
Patent GB-559035-A (GB)
Title: Improvements relating to filtering apparatus for extracting dust and like foreign bodies from air and gas streams
IPC: B01D46/04
Filed: 1942-10-29
Abstract: 559,035. Filtering air and gases. BRAND, A. N. Oct. 29, 1942, No. 15219. [Class 8 (ii)] The filter tubes e, f are enclosed in a casing divided by a partition n which is reciprocated to clean the filter tubes, when the flow of gas to be cleansed has been stopped, by causing alternate pressure and suction in the two compartments, loosening the dust, which falls into a hopper h. The partition may be a diaphragm secured to the casing at the edges. Gas normally enters the hopper by an inlet k and after passing through the filters passes through an outlet partitioned by a plate p and having a check valve opened by the gas flow. Separate outlets may be provided for the two compartments. Specification 519,180 is referred to.