baber/WOPTO huggingface dataset:
Patent GB-522572-A (GB)
Title: Improvement relating to electric lamp standards
IPC: F21V21/10
Filed: 1938-12-09
Abstract: 522,572. Wall brackets; stands. ROBERTS, P. B. Dec. 9, 1938, No. 35853. [Classes 52 (iii) and 52 (v)] [Also in Groups XI and XXXVI] An electric standard or table lamp or a pendant, wall, or like electric lamp fitting comprises a length of metal sheathed self - supporting cable 1 having welded, brazed or integrally secured to its upper end a metal lampholder base 6 and to its lower end a metal base or wall or ceiling plate 8. The upper ends of the cable conductors 2 are bared and first molten resin 11 and then bituminous or other water-resisting material 12 are poured into the base 6. The terminal body 10 and bayonet or screw socket 13 are then secured in place. A resinous substance 14 is similarly provided at the bottom of the cable 1 and the ends of the conductors are connected to the supply leads by a terminal block 16. The cable length 1 may comprise a copper sheath 4 filled with magnesium oxide 3 and may be bent to a swan-neck or other desired shape. The cable length may alternatively carry a junction head to which several branches may be secured by bayonet connections, or several cable lengths, each fitted with a lampholder may be strapped together and supported by a single base plate. Instead of a base plate the lower end of the cable length may be coiled to form a flat supporting foot to which the supply connections are secured.
Patent GB-905650-A (GB)
Title: Improvements in or relating to shaft seals
IPC: F04B39/04
Filed: 1959-10-23
Abstract: 905,650. Stuffing-boxes &c. LINDES EISMASCHINEN A.G. GES. FUR. Oct. 23, 1959 [Oct. 24, 1958], No. 35969/59. Class 122 (5). A shaft, for example the piston-rod 3 of a compressor, is sealed where it emerges from the cylinder 1 by means including a dry gland 5, an exhaust chamber 9 and a lubricated gland 13. The glands are separated by a substantially closed chamber 12 of sufficient length in the axial direction of the shaft to ensure that substantially no lubricant from the lubricated gland reaches the dry gland. The latter comprises chambers 6, 7 with spring ring packings. The chamber 9 is formed in a gland seat 8 and leads via a pipe 10 and a filter 11 to the compressor suction line. Lubricating oil is supplied by a pump (not shown) to the gland 13 through a pipe 15 and returned through a pipe 16, any oil leaking along the shaft being led via a pipe 17 and sight glass 19 to a collecting vessel 18 connected by a pipe 24 to the pipe 10; oil in the vessel 18 being returned to the suction side of the oil pump. An oil-retaining ring 14 is secured to the rod inside the chamber 12 which is provided with a window 22 and an inspection door 25. Oil leaking into a chamber 12 is drained via a pipe 20 to a further collecting vessel 21. The invention is stated to be applicable also to sealing rotary shafts.
Patent GB-1025761-A (GB)
Title: Improvements in and relating to loaders for gear cutting and gear finishing machines
IPC: B23F23/04
Filed: 1961-10-06
Abstract: 1,025,761. Gear-cutting machines. J. A. MILLS. Dec. 31, 1962 [Oct. 6, 1961], No. 35985/61. Heading B3B. A transfer device comprises a support 10a rotatable through 180 degrees and carrying jaws 12, 12a which can be rotated about a horizontal axis and advanced and retracted so that a workpiece with its axis horizontal in a machine tool can be interchanged with one on a conveyer having its axis vertical. In a gear-cutting or finishing machine, upon a signal from the conveyer, fluid-pressure is supplied to a vane motor 27 to rotate a shaft 17, causing a gear 37 to advance racks 39 which are attached to arms 10 carrying the jaws 12, 12a. The jaws thereby embrace a finished workpiece and a blank respectively. One of the arms, at the end of its movement, actuates a switch to cause release of pressure from a cylinder 11 on each arm 10 thus allowing a spring 52 to advance a yoke 58 and move pins 55 to close the jaws about the embraced gear. After a time-delay, a tailstock is moved to release the workpiece and to actuate a switch to cause retraction of the arms. In its movement, one of the arms actuates a switch to cause pressure to be supplied to a vane motor 34 to rotate a sleeve 26 carrying the support 10a through 180 degrees, thus transposing the workpieces. Meanwhile, pressure builds up to cause movement of a piston 19 and thus of a rack 14 to rotate pinions 13 on the arms 10 to re-orientate the workpieces. The arms are then extended and the new workpiece clamped by the tailstock and released by the jaws. Reference has been directed by the Comptroller to Specification 913,191.
Patent GB-506686-A (GB)
Title: Improvements in swath turners and side delivery rakes
IPC: A01D78/00
Filed: 1937-12-30
Abstract: 506,686. Haymaking. BAMFORD, C. J., and BAMFORD, H. V. Dec. 30, 1937, No. 36061. [Class 6 (iii)] A ,swath turner or side-delivery rake of the type in which rake bars 27 extend between eccentric rotating spiders 10, 26 the one spider 26 being supported by a transverse bar and the other 10 being driven and supported by a shaft 14 entering a gear-box 13 on the< >wheel axle has the one spider adjustable along the transverse. bar- and the gear-box supporting the other spider adjustable along the wheel axle together with the supporting wheel to which the gear-box is coupled. As shown, the transverse bar is comprised of two members 17, 21 hung by links 20 from the frame bar 18 and carries a frame 23 in a slot in which a roller 24 or similar device mounted on the end of the spider shaft 25 rides. An angular bracket 28 is carried on the shaft 25 and is provided with a screw 30 that may be turned to engage the upper side of the transverse bar 17, 21, and so to lift the roller 24 from the lower side of the slot and to clamp it against the transverse bar. The gearbox 13 is connected to one of the road wheels 11 and both are moved together for lateral adjustment being secured in adjusted position by a set screw 16.
Patent GB-1058075-A (GB)
Title: Process for the preparation of epoxyalkyl esters
Inventor: FRANK GUNTER
IPC: C07D303/16
Filed: 1965-08-23
Abstract: Epoxyalkyl esters of cycloaliphatic mono- and poly-carboxylic acids are prepared by reacting the acid with epihalohydrins in the presence of thioethers and/or their sulphonium salts at 30-90 DEG  C., followed by dehydrohalogenation of the 3-halogen-2-hydroxyalkyl ester, wherein the major quantity of hydrogen halide is removed by solid NaOH or KOH in the presence of the excess epihalohydrin and catalyst at 40-85 DEG  C., and, if desired, the remaining halogen is removed by heating at up to 85 DEG  C. in an inert solvent in the presence of a less than equivalent quantity of concentrated alkali metal hydroxide solution.  The acid may be a tetra- or hexa-hydrophthalic or terephthalic acid or derivatives thereof, hydrogenated benzene tri- and tetra-carboxylic acid, hexahydrobenzoic acid or abietic acid.
Patent GB-412202-A (GB)
Title: Improvements in or relating to lamps for motor vehicles, more particularly projecting lamps for motor cars, motor cycles and similar vehicles
IPC: F21S8/10
Filed: 1932-12-20
Abstract: 412,202. Vehicle lamps. RALL, O., 62, Langackerstrasse, Zurich, Switzerland. Dec. 20, 1932, No. 36113. [Classes 39 (ii) and 75 (iv).] In a system of lighting for road vehicles, one or more auxiliary lamps are mounted on the front and/or rear of the vehicle so as to project on to the road two narrow bands of light 10, 11, Fig. 9, which indicate the track width required by the vehicle. These bands of light may extend right up to, or to within a short distance of, the front and /or rear of the vehicle. When a single auxiliary lamp is mounted centrally on the vehicle, it preferably comprises a casing 1, having a matt black inner surface, a doubleconvex lens 3, and an electric lamp bulb 4 having a pair of rectilinear filaments 5 arranged parallel to the lens and each at an inclination of 45‹ to the vertical. Alternatively, the bulb 4 may be replaced by a pair of tubular bulbs 4<1> arranged as shown in Fig. 6. When a pair of auxiliary lamps are mounted on the mudguards they are each fitted with a bulb having a single rectilinear filament arranged vertically. The auxiliary lamps may be rigidly secured to the vehicle or they may be rotatably mounted on the front of the vehicle and be coupled to the steering mechanism.
Patent GB-1038828-A (GB)
Title: Improvements in or relating to pile driver dollies
IPC: E02D13/10
Filed: 1964-09-04
Abstract: 1,038,828. Pile driving dollies. GLOVER PLASTICS Ltd. and J. C. B. GLOVER. May 13, 1965 [Sept. 4, 1964], No. 36392/64. Heading E1H. A pile driving dolly 10, Fig. 1 (not shown) comprises a plurality of cylindrical nylon laminations 11 bonded together, of which the driven surface is covered by the metal plate 12. The lower surface of the lowest lamination is covered by a similar plate 13. The dolly and plates have passages for nylon screws the heads of which are flush with plate 12. The dolly may be tapered and may be of square cross section in planes parallel to the driving and driven surfaces.
Patent GB-522542-A (GB)
Title: Improved process for the manufacture of crimped artificial textile filaments, and filaments produced thereby
IPC: D01D5/22
Filed: 1938-12-14
Abstract: 522,542. Artificial silk. COMPTOIR DES TEXTILES ARTIFICIELS. Dec. 14, 1938, No. 36495. Convention date, Dec. 21, 1937. [Class 2 (ii)] Crimped artificial textile filaments are manufactured from viscose, cuprammonium cellulose solutions and other aqueous solutions of cellulosic derivatives which yield regeneratable soluble compounds upon coagulation, by spinning the solution, under such conditions that the velocity of the solution emerging from the jet is a multiple of the draw-off velocity, into a spinning bath having a rapid coagulating action but only a slow or delayed regenerating action so that the filaments are substantially coagulated throughout before any regeneration is initiated. Suitable spinning baths are those rich in alkaline salts, ammoniacal salts such as ammonium sulphate, or concentrated lower fatty acids such as acetic or formic acid. The spinning bath may also contain small proportions of mineral acids such as sulphuric acid. The coagulated filaments may be regenerated in baths more acid than the spinning baths ; for example, regeneration may take place in a sulphuric acid bath which may contain salts or glucose. Regeneration may also be effected with acid gases or hot saline baths. The filaments may then be subjected to drawing in the moist state, followed by drying without tension. In examples, viscose is spun into a bath containing sulphuric acid and sodium or ammonium sulphate or containing acetic acid and the coagulated filaments are regenerated in a bath containing sulphuric acid, sodium sulphate and glucose. The spinning solution may contain pigments, liquid delustering agents, substances adapted to evolve gases or substances such as proteins which impart to the filaments produced an affinity for acid colouring matters. The Specification as open to inspection under Sect. 91 states that the process of the invention is applicable to all aqueous solutions of cellulose derivatives, including solutions of feebly substituted cellulose esters or ethers. In an example, a methyl cellulose of a low degree of etherification is dissolved in sodium hydroxide solution and the mixture spun into a bath containing ammonium sulphate, ammonium hydroxide and glucose. The filaments formed are then immersed in a bath containing sulphuric acid, sodium sulphate and glucose. This subject-matter does not appear in the Specification as accepted.
Patent GB-885383-A (GB)
Title: Recovery of depleted chemical nickle plating baths
IPC: C23C18/16
Filed: 1958-11-13
Abstract: A depleted aqueous chemical nickel-plating solution of the nickel cation-hypophosphite anion type which contains undesirable phosphite is regenerated by adding thereto alkaline earth cations and hydroxyl ions so as to precipitate alkaline earth phosphite without precipitating substantial amounts of alkaline earth hypophosphite or of any nickel compound, removing the precipitated alkaline earth phosphite, and then adding to the resulting solution nickel cations, hypophosphite anions and hydrogen ions to produce a plating solution of desired composition.  Thus, a depleted solution made up from nickel sulphate, sodium hypophosphite, lactic ions and propionic ions, which contains undesirable phosphite and has a pH below 5,5, is (a) cooled to 0 DEG -5 DEG C. to crystallize out sodium sulphate, (b) filtered to remove the sodium sulphate, (c) treated with calcium sulphate and calcium hydroxide (or oxide or carbonate) to raise the pH to 5,5-7,0 and to precipitate calcium phosphite, (d) filtered to remove the calcium phosphite, (e) optionally treated with sodium fluoride to precipitate calcium fluoride which is then filtered out, and (f) reconstituted by addition thereto of nickel sulphate, sodium hypophosphite, lactic acid and propionic acid together with sulphuric acid and sodium hydroxide to obtain the desired pH of 4,5-4,7.  Other alkaline earth cations which may be used are barium and strontium, e.g. as the sulphate or chloride.  The solution may be used in a continuous plating system and regenerated as a whole or continuously.
Patent GB-1220654-A (GB)
Title: Heat-exchanger apparatus for motor-vehicle heating
IPC: B60H1/00
Filed: 1969-07-21
Abstract: 1,220,654. Heating and ventilating vehicles. DAIMLER-BENZ. A.G. 21 July, 1969 [23 July, 1968], No. 36592/69. Heading F4V. A heating and ventilating unit for a motor vehicle comprises two or more independently operable heat exchanger parts which are formed by a single heat exchanger having sub-divided headers and which are supplied with coolant water from the vehicle engine and through which fresh air to be heated flows in parallel. Valves 9, 10 controlling the water flow may be of the on-off or throttling type. Heated air from outlets 7, 8 may be mixed together or passed to the body of the vehicle and the windscreen respectively. The heat exchangers may be thermally insulated from one another.
Patent GB-409636-A (GB)
Title: Process for recovering the lithium contained in siliceous lithiumbearing minerals
IPC: C22B26/12
Filed: 1933-12-29
Abstract: The decomposition of siliceous lithium-bearing minerals such as lepidolite with sodium sulphate is effected in the presence also of potassium sulphate and/or an alkaline-earth metal sulphate, whereby temperatures above 800 DEG  C. may be used without danger of sintering.  Decomposition may be effected in a rotary furnace. From the solution obtained on leaching the decomposition product, lithium may be precipitated by sodium carbonate, and sodium sulphate, with or without potassium sulphate, be recovered from the residual solution for re-use in the process.  When the lithium minerals contain potassium, sulphuric acid may be used for the leaching step, and potassium sulphate derived from the mineral be recovered from the solution by fractional crystallization above 32.5 DEG  C.  Sodium sulphate may be recovered and re-used as Glauber salt by crystallization below 32.5 DEG  C.  About 3--4 parts of sodium sulphate to 1 part of potassium sulphate may be used in the process, the proportion of the two salts becoming constant on repeated circulation provided the mineral treated contains potassium, even if a greater proportion of potassium sulphate is used initially.  About 28 parts of the salt mixture may be used to 72 parts of mineral. When alkaline-earth metal sulphates are employed about 0.1--0.5 parts of both sodium sulphate and alkaline-earth metal sulphate may be used for each part of lepidolite.  Any alkaline-earth metal sulphate passing into solution may be removed therefrom by precipitation with alkali carbonate or lithium carbonate.  The solution, prior to p precipitation of the lithium, may be mixed with a solution of similar composition and containing as much lithium as has been extracted from the mineral, only enough sodium carbonate being used to precipitate the amount of lithium extracted.  The mother liquor is then concentrated and cooled to remove alkali sulphate for re-use and to obtain a mother liquor for adding to the next batch of solution before precipitation.
Patent GB-905917-A (GB)
Title: A device for locking hydraulic brakes
IPC: B60T11/04
Filed: 1959-10-28
Abstract: 905,917. Fluid-pressure braking systems. PRACHER, C. Oct. 28, 1959 [Dec. 5, 1958], No. 36651/59. Class 103 (1). [Also in Group XXXI] In an automatic device for the locking and unlocking of hydraulic brakes of a vehicle, a check valve 6 is operated by the two windings 2, 2<SP>1</SP> of an electromagnet energized under the control of the accelerator pedal, a plunger 3, 4 operating valve 6, being held in its end position by a device 17, 18, 20 or 17, 18, 201 corresponding to the closed and open positions of the valve 6 respectively, the winding being only energized for the period of movement of plunger 3, 4 to control the locking and unlocking of the brakes. Pressure fluid from a master cylinder passes via pipes 8, 9, 11 to the brakes and via pipe 10 to a device 12 which when pressurized connects switch contact 13 to the vehicle battery via master switch 26 ; a collar 16 on plunger 3, 4 holds either contact 14<SP>1</SP> or 14 connected to winding 2, 2<SP>1</SP> from contact 13. A relay 22, energized from a dynamo when engine speed is above idle, engages a movable contact with contacts 21 or 21<SP>1</SP> the movable contact being connected to the battery via contacts 23 or 24 when gear lever 25 is in first or reverse gear. In operation, with switch 26 closed and lever 25 in first or reverse gear and the engine idling, the relay 22 is de-energized to connect winding 2 to the battery via contacts 21<SP>1</SP>, and 23 or 24; on brake application, device 12 completes the circuit of winding 2 to move plunger 3, 4 and valve 6 to the right, fluid continuing to flow past the spring-pressed valve 6 until on release of pedal pressure the valve closes pipe 8 to lock fluid in the brakes and device 12. Balls 17 hold plunger 3, 4 in position and contact 14<SP>1</SP> is moved from contact 13 to de-energize winding 2, 3 contacts 13, 14 being closed. If the engine is now run above idling, relay 22 is energized to make contact 21 to energize winding 2<SP>1</SP> via contacts 23 or 24, 21, 14, 13 and device 12, the plunger 3, 4 being moved to open valve 6 and release fluid from the brakes; the device 12, which may operate stop lights, being released, contacts 13, 14<SP>1</SP> engaged and 13, 14 released; the winding 2<SP>1</SP> being de-energized. The windings 2<SP>1</SP> may be energized to release the lock in the brake line by closing a switch 27. The pressure in the brake line is maintained fairly constant despite cooling and heating of fluid and brake components by a compensator 28.
Patent GB-1375188-A (GB)
IPC: B01D29/15
Filed: 1972-11-02
Abstract: 1375188 Filter candle MASON & MORTON Ltd 2 Nov 1972 [4 Aug 1971] 36710/71 Heading B1D An inward flow filter candle comprises a tubular rigid filter screen 3 strengthened by internal helical coil 4 and having a pair of end fittings 1, 2 attached thereto. The screen has perforations which increase in size inwardly away from the outer screen surface. Each end fitting comprises a male plug 5, 13 and a female housing 6, 14, the plugs being externally screw-threaded for attachment of the housings. Both the plugs and their respective housings taper inwardly by an angle of 3-5 degrees in order to firmly clamp the screen therebetween. One end fitting has a through bore 11 and has a housing externally screwthreaded 1 for mounting in an aperture in a horizontal plate 9. The other end fitting has a conical recess 15 for use in locating the base of the candle laterally. Rubber O-ring seals 12, 16 are provided between the plugs and housings.
Patent GB-367346-A (GB)
IPC: C22B5/02
Abstract: 367,346. Dry processes of extracting copper; extracting iron. McGREGOR, A. G., Selection Trust Building, Mason's. Avenue, Coleman Street, London. Nov. 11, 1930, Nos. 33984/30 and 7093/31. [Classes 72 and 82 (i).] A furnace for smelting ores or carrying out similar operations is described with particular reference to the smelting of copper sulphide ores and the direct production of steel from iron oxide ores, and comprises a hearth 50 on to which the charge material is continuously fed from a hopper 61 by reciprocating pushers 64 so as to maintain, inside the furnace, a sloping face on to which flames from downwardly inclined burners 85 are directed, the exposed face being thus continuously melted and the molten material flowing downwardly into the well 52. The latter is fitted with a water-cooled refractory dam 93 serving to prevent passage of slag which is discharged through aperture 94; openings 95, 96 are also provided for tapping, if desired, molten material in various stages of refinement. The rear end of the well 52 is constituted by a transverse wall 55 over which the molten material flows to a reservoir 56 formed with a tapping spout 57 and a slag notch 98. To maintain the temperature of the well 52, additional burners 90, 97 are arranged in the roof 53 ; when fuel is mixed with the charge as, for example, in the smelting of iron ores, the burners may supply only hot air which serves for the combustion of the gases evolved from the fuel. The front part of the hearth 50 consists of stepped sections 72,73 reciprocated by means of rods 81, 82 adjustably connected to an arm 80 carried by the pusher 64. In the application of the invention to sulphide ores, sufficient oxygen is supplied with the heating flames to combine with the sulphur ; in the case of copper sulphide ores, this excess oxygen is sufficient to combine with a portion only of the sulphur, thus ensuring the production of a molten matte. A modification is described in which the pushers 64 and the sectional hearth 72, 73 are replaced by an endless conveyer. Specifications 14564/03, [Class 51, Furnaces and kilns], and 291,883, [Class 51 (i), Furnaces and kilns, Combustion apparatus of], are referred to.
Patent GB-825384-A (GB)
Title: Improvements in or relating to the production of package cases, particularly for glasses and like objects
IPC: B65D71/00
Filed: 1957-11-26
Abstract: 825,384. Cartons. SKARSTEDT A. B., R. Nov. 26, 1957 [Nov. 28, 1956], No. 36813/57. Class 18. A blank as shown in Fig. 1 is first folded about a line 4 such that a glued strip g adheres to the panel c, and then the blank is folded about a line 6 such that the glued strip on the end panel a sticks to the panel e. The whole can then be shaped to a tubular carton as shown in Fig. 4, having an intermediate partition wall f. The panels b and f are shown to have punched out flaps 12, 13 and 14, 15, respectively which are intended to be folded down to uncover double rows of openings 8 and 9 enabling articles such as glasses to be packed therein. Alternatively, the panels d and f may be punched out flaps.