baber/WOPTO huggingface dataset:
Patent GB-1025753-A (GB)
Title: Improvements in or relating to hydraulic or pneumatic actuators
Inventor: OLDFIELD THOMAS ALFRED
IPC: F15B15/26
Filed: 1962-02-02
Abstract: 1,025,753. Fluid pressure apparatus. PLESSEY CO. Ltd. Jan. 25, 1963 [Feb. 2, 1962], No. 4089/62. Heading FIP. An hydraulic or pneumatic actuator system comprises a subsidiary ram 10 connected to operate via a crank member 8 a plunger 7 for locking a main ram 2 in its extended position when pressure fluid controlled by a first valve 34, 35, 36 opened by the main ram 2 on attaining its extended position is supplied through a conduit 38 to the subsidising ram. In the unlocked position a selector valve 12 is in its left position whereby pressure fluid supplied through a conduit 19 to the valve 12 passes to the subsidiary ram cylinder 11 through a conduit 22 to maintain the subsidiary ram therein extended. In addition the pressure fluid passes through a conduit 24 and a valve 25, 26, 27 to the main ram cylinder 3 to maintain the main ram 2 retracted. The non-pressurized side of the cylinder 3 is vented to atmosphere through a conduit 31 and a port 33. To extend the main ram 2 the selector valve 12 is moved to the right whereby the subsidiary ram cylinder 11 is vented to atmosphere through the conduit 22 and an exhaust duct 29 in the valve 12 and simultaneously the main ram cylinder 3 is also vented through a port 28A leading to the duct 29. The main ram 2 therefore moves to its extended position under the action of pressure fluid supplied through the conduit 19 to the conduit 31, and on attaining its fully extended position pressure fluid is allowed to pass from a branch conduit 37 and the valve 34, 35, 36 to the cylinder 11 to thereby move the plunger 7 to its locking position. A vent 40 in the rod 9 of the subsidiary ram is arranged to maintain the main ram cylinder 3 connected to atmosphere through the port 28A when the subsidiary ram is retracted. When it is required to return the main ram to its retracted position the selector valve 12 is moved so that pressure fluid is re-supplied to the conduit 22 whereby the subsidiary ram moves to the extended position, retracting the plunger 7 and opening the valve 25, 26, 27 to supply fluid to the main cylinder through the port 28A. The cylinders and the valve 12 may be formed as a single body provided with ducts corresponding to the conduits described. A conduit B as shown in broken lines may replace the branch conduit 37.
Patent GB-227009-A (GB)
Title: Improvements in or relating to linear dimension gauges
IPC: G01B3/44
Filed: 1924-02-18
Abstract: 227,009. Retterath, V. Feb. 18, 1924. Linear - dimension gauges.-The anvils 2 of a limit gauge are fixed in adjusted position by plugs 4 of copper or other soft metal which are inserted in holes 3 in the frame 1 and squeezed up to engage flutes in the stems of the anvils and grooves 5 in the frame. When the anvils become worn, the plugs are driven out, the anvils readjusted, and new plugs inserted.
Patent GB-100663-A (GB)
Title: Improvements in Strip Folding Guides for Sewing Machines.
Inventor: FAIRWEATHER WALLACE
IPC: D05B35/06
Filed: 1916-03-21
Abstract: 100,663. Fairweather, W., (Singer Manufacturing Co.). March 21, 1916. Sewing-machines; folding-attachments.-A device for folding and presenting facing or button and buttonhole strips comprises a vertically movable strip guide with a rigid member adapted to be manually moved for laying a fold across the end of a facing- strip and to be automatically withdrawn when the cross-fold has been secured. The vertically movable folding and guiding member consists of two plates 31, 32, Fig. 1, with edge-folding guides 33, 34, and carries, rigidly secured thereto, the plate 35 by which the end fold is formed and which is notched as shown at 36, 3'7 to accommodate the action of the needles. This member is carried by an arm 30, Fig. 3, pivoted to a bracket secured to the head of the machine, and is normally held in the position shown in full lines in Fig. 3 by a stud carried bv an adjustable bar 41 sliding against the action of a spring 46 on a plate 28, which is secured to the bracket. In attaching a strip 38<1>, Fig. 6, the strip is led through the edge-folding guide, and the end 38 turned over the end of the plate 35, as shown in Fig. 8. The folding-device is then depressed into the position shown in dotted lines in Fig. 3 and, when the cross-fold is secured, returns under the action of the spring 46 to its normal strip folding and presenting position, shown in full lines. An horizontally movable strip-folding member is provided to coact with the vertically movable member when it is desired to apply strips to both sides of the work, and comprises two plates 16, 17, Fig. 1, with edge-folding guides 19, 20 and a notched delivery end 18 to accommodate the feed-dogs. This member is secured adjustably on an arm 22 pivoted at 14 to a bracket 12 on the bed-plate. The vertically movable member is held in the position shown in Fig. 1 by a spring catch 30<1>.
Patent GB-396798-A (GB)
Title: Improvements in and relating to pirns, tubes and the like for use in the textile industry
IPC: B65H75/10
Filed: 1932-02-12
Abstract: 396,798. Bobbins &c. COURTAULDS, Ltd., 16, St. Martin's-le-Grand, London, TURTON, H. A., 30, St. Paul's Road, and BIDDULPH, H., 60, Sandy Lane, both in Coventry. Feb. 12, 1932, No. 4209. [Class 120 (iii).] A pirn tube of paper or other similar material is formed with a groove A near its base, which holds sufficient reserve yarn to enable the pirn to complete a full stroke in an automatic loom after the automatic stopping or changing mechanism has been put into action.
Patent GB-1206909-A (GB)
Title: Process for preparing trichlorotrifluoroethane and dichlorotetrafluoroethane
IPC: B01J27/06
Filed: 1969-01-24
Abstract: 1,206,909. Fluorination catalysts. E. I. DU PONT DE NEMOURS & CO. 24 Jan., 1969 [24 Jan., 1968; 23 Oct., 1968], No. 4244/69. Heading B1E. [Also in Divisions C1 and C2] Catalyst comprising chromium trifluoride which does not contain any oxygen supported on a base of activated carbon derived from vegetable carbon having an alkali metal ion content of 0.3% or less by weight, petroleum carbon or coal carbon, is obtained by treating the carbon support with an aqueous solution of CrCl 3 .6H 2 O, drying then treating with gaseous HF at 400‹C. Before preparing the catalyst, the alkali metal ion content of vegetable carbons is reduced to the specified level by washing with water.
Patent GB-706374-A (GB)
Title: Improvements in peanut pickers
IPC: A01D29/00
Filed: 1952-02-18
Abstract: 706,374. Peanut pickers. RANSOMES, SIMS & JEFFERIES, Ltd.. JARVIS, J. S., and FRANCIS, H. O. Jan. 13, 1953 [Feb. 18, 1952], No. 4246/52. Class 58. [Also in Group ll] Apparatus for separating pea nuts from their vines comprises a shaking rack having a series of stepped grids which can be tilted as desired to vary the size of the slots in their risers to suit the size of nut to be separated, the slots being shielded by extensions of the steps. As shown in Fig. 1, the oscillatory racks comprise stepped plates 4,Fig. 5, pivoted at 6 and having a slotted riser 5 ;an extension 24 prevents the vines slipping down to clog the slots against the passage of nuts. Each plate has an extending pin 8 which engages in a slot 30, Fig. 8, of a side plate 7 which can be adjusted to alter the inclination of the plates 4 and so adjust the effective area of the slots in the risers 4. The plates 7 are adjusted by a threaded rod 15 which can be moved longitudinally against a spring 18, thus rotating levers 11 about pivots 13 to raise or lower the plates 7.
Patent GB-829605-A (GB)
Title: Method of regenerating a glass etching bath
IPC: C03C15/00
Filed: 1958-02-10
Abstract: 829,605. Etching. CORNING GLASS WORKS. Feb. 10, 1958 [Feb. 18, 1957], No. 4276/58. Class 100(2) A method of controlling the etching of a solid-containing glass in a hydrafluoric acid solution comprises regenerating the etching solution by neutralizing at least a part of the hydrofluosilicic acid formed and adding sufficient hydrofluoric acid to restore the initial concentration of free hydrofluoric acid in the solution. The hydrofluosilicic acid is removed by filtration after precipitation by a soluble salt whose metal ion forms a soluble fluoride and insoluble siliconuoride. Potassium salts are preferred, and sulphates and nitrates are not suitable. Potassium fluoride may be used, but preferably anhydrous of hydrated potassium carbonate. The hydrofluosilicic acid should not all be removed, and for etching crystallite glass having an etching ratio of 35 to 1 in 10% hydrofluoric acid, should be maintained in a range of 2-5% SiO 2 . The etching apparatus may comprise means for adding metered amounts of the precipitating salt and hydrofluoric acid and, the amounts being controlled by a device sensitive to the concentrations of the respective acids, a pump, a filter, and two baths, one for use while the other is regenerated. The etching liquid is splashed upwardly by a rotary paddle against the glass, at a temperature of at least 25‹C. The glass may be a lithium; silicate glass. Specification 699,897 is referred to.
Patent GB-538687-A (GB)
Title: Improvements in or relating to means for marking lines or the like on roadways, courts and the like
IPC: E01C23/16
Filed: 1940-03-08
Abstract: 538,687. Line-markers for roads &c. OPENSHAW, K. March 8,1940, No. 4381. [Class 132 (ii)] An apparatus for marking lines on roadways, courts &c. comprises a movable structure 1 with laterally-extending guiding means 4 supported by wheels 14 and carrying wheels 15 for engaging the kerb 17. The lines may be marked by steel scribers 19, or by one or more nozzles, pads, brushes or the like adapted to apply paint to the surface. The space between the lines marked by the scribers may be filled in with paint. The scribers may be adjustable laterally to vary the space between them. When the apparatus is not required for marking, the scribers may be screwed upwards out of contact with the surface. The guiding means 4 is pivoted on lugs 3 and may comprise telescopic or section parts 7, 8. Specification 538,710 is referred to.
Patent GB-1020116-A (GB)
Title: Thermoelectric devices and methods of fabricating them
IPC: H01L21/00
Filed: 1964-02-03
Abstract: 1,020,116. Thermoelectric devices. RADIO CORPORATION OF AMERICA. Feb. 3, 1964 [Feb. 19, 1963 (2)], No. 4514/64. Heading H1K. A method of fabricating a thermoelectric device comprises joining a thermoelectric body of germanium-silicon alloy to a body of metal or germanium-silicon alloy by vacuum bonding the bodies using a material selected from the noble metals and their alloys. A thermoelectric body is joined to a metal contact body or to a second thermoelectric body by inserting a bonding material between them and heating, in vacuo, to 1000 to 1200 C. The bodies may be pressed together by placing the assembly under a weight or in a differential expansion clamp. Suitable heating apparatus is described and comprises a table on which the thermoelectric assembly rests, held under pressure by means of a weight, and a muffle in the form of a molybdenum cylinder which surrounds the assembly and is heated by applying radiofrequency energy, all enclosed in an evacuated bell jar. The bonding material may be glued between the bodies using an adhesive which decomposes when the assembly is heated. As shown, Fig. 5, a P-type thermoelement 43 comprises two parts 12 and 44 of P-type 60: 40 and 90: 10 silicon-germanium alloys respectively, bonded together by a gold layer 14. N- type thermoelement 45 comprises two parts 46 and 48 of N-type 60 : 40 and 90 : 10 silicongermanium alloys respectively, bonded together by a platinum layer 47. Tungsten plate 42 and control blocks 49, 50 are joined to the thermoelements using solder 38. The Specification includes other specific examples of the use of the invention, the thermoelectric bodies being germanium-silicon alloys containing at least 50 atomic per cent silicon, and doped with boron, aluminium or gallium to produce P-type elements or phosphorus, arsenic or antimony to produce N-type elements. The contact members, when used, are of tungsten, tantalum, rhenium, or niobium, and the bonding materials are selected from gold, silver, ruthenium, rhodium, palladium, and platinum, and alloys containing at least one-half by weight of these metals. The bonding material is applied to the thermoelectric bodies by vacuum-evaporation, sputtering, electroplating, electroless-plating, or in the form of a thin sheet or foil or as a powder.
Patent GB-470275-A (GB)
Title: Improvements in the production of gas from carbonaceous fuels
IPC: C10B27/00
Filed: 1936-02-14
Abstract: 470,275. Coking processes; retort furnaces. LEWIN, E. G. (Didier-Werke Akt.-Ges.) Feb. 14, 1936, No. 4562. [Classes 51 (ii) and 55 (i)] Gas mixtures containing hydrogen and carbon monoxide in proportions suitable for use in chemical processes, for example, destructive hydrogenation, are obtained in continuously operating externally heated vertical retorts in which the time of contact of the reacting gases with the fuel is controlled by varying the position at which the gases are withdrawn. The fuel passes through a pre-heating zone before distillation, and reaction zones, and finally a water gas zone below the gas offtake, and the temperature in the reaction zone may be separately controlled. Superheated steam may be introduced into the coal before it enters the high temperature region, to increase the reaction-promoting power of the carbonized residue, the quantity of carbon dioxide in the reaction zone being reduced by removal through an outlet near the top of the retort. The coal first enters a preheating chamber 1 before reaching a gasefying chamber 2, comprising distilling, reaction, and water gas zones, and a cooling zone 3, the chamber 2 being heated by flues 6 supplied with preheated gas and air from passages 7 and 8. Waste gases pass through ducts 10 to a recuperator 11 in which the gas and air are heated, and pass out through flues 12 and main 13. Upper and lower gas offtakes 15, 14 are provided with dampers, so that either may be closed to control the length of the path of the gases through the charge. Secondary burners 18 may be used to supply more heat to the reaction zone, the walls of the retort in this region 19 being made of silicon carbide. Steam from inlets 20, 21 increase the reactivity of the fuel, and a gas offtake 22 serves to remove any desired amount of carbon dioxide from the early stages. A partition 23 provides for the vertical descent of the charge. Flues 24 around the preheating chamber 1 are fed with hot waste gases. The sensible heat in the outgoing gases is used to preheat the gas and air for use in the heating lines by passage through a heat-exchanger 31 in counter-flow to the gas admitted from the main 32, as described in Specification 464,000. Steam is admitted to the water gas zone through inlets 34, the water gas mixing with the distillates before withdrawal. Reference has been directed by the Comptroller to Specification 106,189, [Class 55 (i)].
Patent GB-270827-A (GB)
Title: Improvements in low pressure valves
IPC: F16K31/58
Filed: 1926-02-18
Abstract: 270,827. Clemetson, H. P. Feb. 18, 1926. Elastic valves; locking.-A low pressure valve of resilient rubber, normally sealing an aperture in a casing, consists of a plug or tube closed at one end and arranged to be compressed or pressed radially inwards to open the valve. In one form. as applied to a bottle, the rubber tube or plug C, Fig. 3, is fitted into a dome-shaped cap or stopper B so that when the plug C is applied to a surface F, as a brush, the pressure produces a gap between the plug and the opening in the cap through which the liquid passes, as shown. In another arrangement a tube C, Fig. 4, acting as a tap, is pressed inwards radially by a hand lever G, as shown, to allow liquid to flow from the inlet connection A. The valve can be held open by a pivoted latch H.
Patent GB-974948-A (GB)
Title: Improvements in or relating to roll stands
IPC: B21B31/06
Filed: 1962-02-07
Abstract: 974,948. Roll stands. VEREINIGTE OSTERREICHISCHE EISENUND STAHLWERKE A.G. Feb. 7, 1962 [Feb. 10, 1961], No. 4711/62. Heading B3M. In a roll stand having a stationary and a movable standard, two cross-beams are provided to connect the top ends of the two standards and are hydraulically locked and released. The beams are situated in slots 10 in the standards 2 and 3, inclined straps 14 and 15 bridging the slots. To release each cross-beam 11 an hydraulic cylinder 16 is actuated to push two wedges 18 and 19 clear of the straps 14 and 15. Wedge 18, having a steeper inclination, is released first and abuts a stop 20, the wedge 19 then being moved to the right to engage a pin 26 in a mouth 28. The pin joins straps 25 connected to a lever 22 pivoted to the beam 11 such that further motion of the wedge causes the lever to rotate and lift the beam by the reaction of a roller 23 on the standard 3. The position shown in Fig. 6 is then reached with the slots 12 clear of the bolts 13, and movement of the standard 3 to the slotted position shown is possible, another slot 12 thus registering with the bolt 13. Bolts 5 (Fig. 2) connecting the standards to the base 1 are releasable hydraulically.
Patent GB-1026615-A (GB)
Title: A method for copolymerization of olefins
IPC: C08F210/00
Filed: 1963-02-05
Abstract: Random copolymers are prepared from two aliphatic olefins of two to five carbon atoms each by preparing in the presence of one olefin monomer a catalyst comprising an organometallic compound of a metal of Group I, II or III of Mendeleef's Periodic Table and a halide of a transition metal of Group IVa, Va, or VIa, and subsequently introducing the second olefin monomer to initiate copolymerization. Triethyl aluminium and titanium tetrachloride are added to a solution of propylene in n-hexane and, after agitation for a period, isoprene is added. The copolymerization reaction is terminated by adding n-butanol and the product is precipitated with methanol.
Patent GB-370118-A (GB)
Title: Improvements relating to devices for indicating the amount of hot water in storage tanks
IPC: G01F23/24
Filed: 1931-02-17
Abstract: 370,118. Thermometers. PARKINSON STOVE CO., Ltd. and GIBB, D. M., Station Road, Stechford, Birmingham. Feb. 17, 1931, No. 4931. [Class 97 (iii).] In hot-water storage tanks, the amount of hot water, i.e. the division line between hot and cold water is indicated by means of a heat-sensitive device, subjected to the action of the water throughout the whole or a greater part of the depth of the tank, and provided with an external index. The heat-sensitive device may be a closed vertical metal tube containing air and connected to a Bourdon or other pressure gauge, or a tube filled with liquid and connected to a graduated glass tube, or a pair of metal rods having different coefficients of expansion or a rod d and tube b, the relative expansion of which is indicated by a pointer h on a suitably graduated scale i.
Patent GB-1034712-A (GB)
Title: Coatings
IPC: A23B7/16
Filed: 1963-02-07
Abstract: 1,034,712. Preserving fruit and vegetables. YEDA RESEARCH & DEVELOPMENT CO. Ltd. Feb. 7, 1963 [Feb. 20, 1962], No. 5007/63. Heading A2D. Fruit and vegetables are preserved by being coated with an aqueous emulsion comprising a low molecultear weight polyethylene and a natural wax in a weight ratio of from 1:3 to 3:1, and an emulsifying agent, e.g. a water-soluble salt of a fatty acid such as oleic acid. A stabilizing agent e.g. morpholine or piperdine may be added and fungicides, e.g. sodium orthophenyl phenate, and gloss producers, e.g. animoniacol shellac, incorporated. Suitable waxes include canauba, japan, bee, candallila and sugar cane waxes. The emulsion is applied by conventional spray-, dip- or foam-coating methods and is particularly suited for citrus fruit, tomatoes, bananas, apples and avocados.
Patent GB-483940-A (GB)
Title: Manufacture of anthraquinone derivatives
IPC: C09B5/40
Filed: 1937-02-19
Abstract: Anthraquinone derivatives containing a hydropyridine ring are manufactured by the action of an acid condensing agent which is a mineral acid or a metal halide on an a -arylaminoanthraquinone which is unsubstituted in the b -position ortho to the arylamino residue, and in which the arylamino residue is <FORM:0483940/IV/1> where X is a substituent.  The products are vat dyestuffs and intermediates therefor.  In examples: (1) 1-(21-methoxy)-11-naphthylaminoanthraquinone is heated with a melt of aluminium chloride and sodium chloride; the product yields olive dyeings from a red hydrosulphite vat; (2) the condensation product of 1-amino-4-benzoylaminoanthraquinone with 1-bromo - 2 - methoxynaphthalene is stirred with sulphuric acid; the product dyes cotton yellowish green shades from a bluish red hydrosulphite vat. Specification 24604/08, [Class 2], is referred to.  Samples have been furnished under Sect. 2 (5) of dyestuffs prepared as follows: (A) 4-benzoylamino-1 : 11-naphthylaminoanthraquinone-21-carboxylic acid ethyl ester is treated as in (1) above, the ester group being saponified in the process; the product dyes cotton green shades from a violet-red vat; (B) 1: 11-naphthylaminoanthraquinone - 21 - carboxylic acid ethyl ester (obtainable by condensing 1-aminoanthraquinone with 1-chlornaphthalene-2-carboxylic acid ethyl ester) is similarly treated; the product dyes cotton green-grey shades from a red vat; (C) 4-benzoylamino-1 - (21 - chloro) - 11 - naphthylaminoanthraquinone (obtainable by condensing 1-amino-4-benzoylaminoanthraquinone with 1 : 2-dichloronaphthalene) is similarly treated; the product dyes cotton greyish-olive shades from a red vat; (D) 5-benzoylamino-1 : 11-naphthylaminoanthraquinone - 21 - carboxylic acid ethyl ester is treated as in (2), the carboxylic ester group being saponified in the process; the product dyes cotton green shades from a red vat.  The Specification as open to inspection under Sect. 91 comprises in general the action of condensing agents on a -arylaminoanthraquinones, the arylamino residue of which contains the grouping <FORM:0483940/IV/2> where X is a substituent.  As an additional starting material is specified the reaction product of an a -aminoanthraquinone with a Bz1-halogenbenzanthrone having a substituent in the Bz2 position. This subject-matter does not appear in the Specification as accepted.
Patent GB-668588-A (GB)
Title: Improvements in and relating to apparatus for measuring velocities of fluids
IPC: G01P5/07
Filed: 1950-03-01
Abstract: 668,588. Electrical measurement of fluid velocity. LAUBBNT, J. March 1, 1950. [Feb. 3, 1950] No. 5202/50. Class 40 (i). [Also in Group XX] Electrical signals of different frequencies representing different gear ratios in a multirange calibrated apparatus for measuring the velocity of a fluid (see Group XX), are generated on rotation of the drum 7 driven through worm-gearing 5 from the propellor 3 immersed in a flowing fluid and switch 18 selects one of the signals and switch 21 directs the selected signals to one or other of several receivers. Electrical contacts 14, 15 interrupt respective circuits and are mounted on springs 12, 13 bearing on drum 7 one portion of which, contacted by spring 12, has one flat 8 and another portion contacted by spring 13, has two flats 9. The several receivers may include an audible signal device, a visible signal device, and a counter or recorder or telephone apparatus, brought into service by a jack which is arranged to be connected into circuit together with the audible signal device.
Patent GB-824011-A (GB)
Title: Pharmaceutical compositions containing 1-methyl-6-nitro-4-quinolone-3-carboxylic acid
Inventor: HEPWORTH WALTER
IPC: A61K31/00
Filed: 1957-02-15
Abstract: Pharmaceutical compositions comprise as active ingredient or ingredients 1-methyl-6-nitro - 4 - quinoline - 3 - carboxylic acid and/or the sodium salt thereof together with non-toxic pharmaceutical excipients and optionally contain other known antibacterial agents, such as phenoxymethyl penicillin, chlortetracycline hydrochloride, oxytetracycline hydrochloride, 2-p-aminobenzenesulphonamido - 4 : 6 - dimethyl pyrimidine, furazolidone and 1 : 6-bis-p-chlorophenyldiguanidohexane.