baber/WOPTO huggingface dataset:
Patent GB-443584-A (GB)
Title: Improvements in or relating to the production of oil compositions suitable for use as softeners for cellulose derivatives
IPC: C08L1/08
Filed: 1934-08-30
Abstract: Compositions suitable as softeners for cellulose nitrate or cellulose ethers such as ethyl, butyl, propyl or benzyl cellulose are prepared by reacting a dibasic organic acid, a dihydric alcohol and a fatty acid glyceride of the coconut oil type, the proportion of the fatty acid glyceride being greater than 40 per cent of the composition. Free fatty acids derived from the fatty acid glyceride may also be used.  The compositions may also be prepared by reacting the alcohol with the fatty acid glyceride and esterifying the product.  Suitable fatty acids include those glycerides with an iodine value below 35 and a saponification value between 200 and 300 such as coconut, palm kernel, porpoise, cohune and babassu oils, butter fat, Japan wax, myrtle wax, Chinese vegetable tallow, coconut stearin, tristearin, tripalmitin, trilaurin and tricaprin.  Dihydric alcohols include ethylene, diethylene, triethylene, butylene, propylene and dipropylene glycols, octadecanediol, monobenzylin, monoethylin and monomethylin.  Dibasic acids include phthalic, succinic, adipic, diphenic, camphoric, tartaric, malic, pimelic, sebacic, suberic or azelaic acids.  In examples: (1) diethylene glycol, glycerol and coconut oil are heated together and the product esterified with phthalic anhydride ; (2) ethylene glycol, coconut oil and glycerin are heated together and the product esterified with phthalic anhydride ; (3) diethylene glycol, coconut oil, coconut oil acids and phthalic anhydride are reacted together. Compositions suitable for use in the manufacture of artificial leather may be prepared from nitrocellulose, lithopone, ethyl acetate, ethyl alcohol and the product of example 1 or example 3. The products may also be used with natural or synthetic resins or bitumens together with other plasticizers, solvents, pigments, or fillers for use in moulding, as adhesives or binders, and as impregnating, toughening and water-proofing agents for paper, wood, textiles and stone. Specifications 356,141 and 388,367 are referred to.
Patent GB-480022-A (GB)
Title: Improvements in semi-automatic weighing machines
IPC: G01G1/26
Filed: 1936-09-16
Abstract: 480,022. Weighing-apparatus. AVERY, Ltd., W. & T., TIMSON, W., and JONES, W. Sept. 16, 1936, No. 25174. [Class 143] Loose-weight apparatus.-In a semi-automatic weighing-apparatus having an automatic weightindicating mechanism and an additional weight for increasing the capacity of the scale, the additional weight co-operates with a toggle link mechanism which normally maintains the weight out of action but is broken automatically to deposit the weight when the normal weighing capacity of the automatic resistance mechanism has been exceeded. The additional weight 5 when in the inoperative position is supported by notched slides 6 maintained in the position shown, by toggle links 8a, 8. When the normal weighing capacity of the automatic resistant mechanism is exceeded the weighing lever 4 moves upwards sufficiently to displace a locking catch from the link 8 and the toggle linkage collapses under the action of gravity thus allowing the slides 6 to descend and deposit the additional weight upon a notched portion 4b of the weighing lever. The mechanism is re-set by rotating a crank handle on the shaft 10 of the link 8. The rotation of the shaft 10 when the toggle linkage is broken causes a flexible cable 15 to change the major weight numerals of the scale chart. Specification 236,117, [Class 143], is referred to.
Patent GB-514021-A (GB)
Title: Apparatus for separating the picture components according to colour from the brightness components in coloured television pictures (scenes and the like)
IPC: H04N11/00
Filed: 1938-08-27
Abstract: 514,021. Television. KERBER, K. H. Aug. 27, 1938, No. 25228. Convention date, Sept. 11, 1937. [Classes 39 (i) and 40 (iii)] To obtain signals corresponding to the colours of successive elements of the picture, the brightness of those elements is kept constant by controlling the illumination with signals corresponding to the brightness. Signals corresponding to brightness and to colour are transmitted alternately by controlling the respective amplifiers VH, VF with square-topped oscillations from shaping valves 9. During the transmission of the brightness signals, these signals are also stored on the mosaic of a cathode-ray tube 13. During the next revolution of the scanning disc 1, the stored signals control a Kerr cell 12, or iris diaphragm or the source of light 15, Fig. 3 (not shown), to keep the intensity of each element of the picture 2 constant. The sensitivity of photo-electric cells 5, 6 increases or decreases lineally over the spectrum, and the signals therefore represent the colours of successive elements. According to a modification, a double electronic image dissector is used with two photo-electric plates, focusing systems and collectors.
Patent GB-600099-A (GB)
Title: Improvements in or relating to recording devices for the linear motion analysis of control mechanisms
IPC: G01D15/24
Filed: 1945-09-29
Abstract: 600,099. Recording-apparatus. WATSON, C. D., and KEIL, D. R. M. Sept. 29, 1945; No. 25363. [Class 106 (iv)] Means for indicating'the degree of lost-motion between an operating member and a second member indirectly operated thereby comprises a continuously movable chart, means for recording on the chart the motion of the operating member and the change of relative position of the two members, and means for marking a time base on the chart. Paper 8, which is chemically treated or coated with wax, is fed from a spool 7 over a platen 10 and a feed roller 12 to a spool 13, the spool 13 being driven through gearing from a motor 17 at a slightly greater rate than the feed roller 12 so as to maintain the strip taut, a friction clutch on the spool 13 allowing the necessary slip. A cable 43 runs from the operating member 3a over pulleys 44, 39, 45, 47, 46 to the operated member 3b, movement of the cable rotating the pulley 39 and its associated pulley 37 to drive a further cable 35 to move a carriage 33 and needle 34 to trace a line 59 representing the movement of the operating member. Lostmotion in the connection between members 3a, 3b increases the tension in the cable 43 to pull the pulley 47 against spring action and to rock a lever 28, whereupon a further needle 30 traces a line 58 representing lag or lead. A fixed needle 41 traces the datum position of zero lag, and a solenoid 54 operates a needle to indicate increments of time.
Patent GB-251858-A (GB)
Title: An improved vacuum producing apparatus
IPC: F04F5/52
Filed: 1925-10-12
Abstract: 251,858. Wichnevsky, G. Sokolow-. Oct. 12, 1925. Aspirating-apparatus, ejector. -Relates to apparatus of the ejector type for producing a partial vacuum in a chamber, of the kind in which the chamber is provided with a water jet and co-operating combining cone; and consists in maintaining the vacuum constant by mounting the jet 9 and cone 8 vertically, filling the chamber with water up to the mouth of the combining cone, and providing a gas supply pipe sealed by this water. A flue gas tester is shown, gas from a pipe 1 being drawn through a cooler X, filter F and electric tester A by the suction produced in a chamber B by a water jet 9 and combining cone 8. An opening 13 in the water nozzle maintains the water at the level of the cone 8. which acts as an overflow. A branch 10 of the gas supply pipe dips into the water. If the vacuum in the chamber B exceeds that determined by the water head from the top of the cone 8 to the bottom of the pipe 10, gas bubbles through the water to maintain this vacuum constant.
Patent GB-971802-A (GB)
Title: Signalling system for substation apparatus
IPC: H04M1/50
Filed: 1961-07-14
Abstract: 971,802. Substation circuits. STANDARD TELEPHONES & CABLES Ltd. July 14, 1961 [July 21, 1960], No. 25669/61. Heading H4K. A calling arrangement at a substation comprises a V.F. oscillator OSC powered by exchange battery and capable of producing a signal whenever a D.C. voltage exceeding a predetermined level is produced at the output of a rectifier circuit located at the output of a frequency-selective signal receiver REC responsive to signals received through the line whose frequencies are distinct from those produced by the V.F. oscillator OSC. Signals from the V.F. oscillator are fed to a transducer S to produce an audible calling signal. In modifications, Figs. 2 and 3 (not shown), the V.F. oscillator is used also for producing ringing tone, answering and calling signals, and substation-identification signals, and for transmitting dial impulses, either as interruptions of a single tone or as alternations of two tones of different frequencies.
Patent GB-1261829-A (GB)
Title: Detergent compositions
Inventor: KONORT MARK DAVID
IPC: C11D3/20
Filed: 1969-05-20
Abstract: 1,261,829. Tetra sodium oxydisuccinate. UNILEVER Ltd. 20 May, 1969 [24 May, 1968], No. 25691/69. Heading C2C. [Also in Division C5] Tetrasodium oxydisuccinate is prepared by titrating an aqueous solution of oxydisuccinic acid with sodium hydroxide and removing the aqueous solvent under reduced pressure.
Patent GB-756680-A (GB)
Title: Process for reconditioning sulphuric acid pickling baths
IPC: C23G1/36
Filed: 1953-09-17
Abstract: In reconditioning an exhausted sulphuric acid pickling bath, sulphuric acid and iron oxide are recovered in a single stage from iron sulphate separated, e.g. by cooling or concentrating from the exhausted pickling baths, by heating to not less than 600 DEG C., preferably above 750 DEG C., in the presence of water vapour alone in a chamber substantially devoid of air, and the sulphuric acid is returned to the pickling bath.  Ferric or ferrous sulphate may be used with any content of water of crystallization, although the monohydrate is preferred.  Iron sulphate is placed in a closed heated chamber, which has been freed from air by passing water vapour therethrough, and the sulphuric acid is absorbed in water or dilute sulphuric acid.  The reaction at below 750 DEG C. is: 2FeSO4+H2O = Fe2O3+SO2+H2SO4, and at above 750 DEG C. is FeSo4+H2O=FeO+ H2SO4.  In the former reaction pure SO2 can be produced after condensation of the sulphuric acid.  Specifications 425,291 and 477,617 are referred to.
Patent GB-734026-A (GB)
Title: Improvements in or relating to electric pulse generating apparatus
IPC: H04N1/23
Filed: 1952-10-14
Abstract: 734,026. Television. GENERAL ELECTRIC CO., Ltd., and GLEDHILL, G. A. Oct. 14, 1953 [Oct. 14, 1952], No. 25745/52. Class 40 (3). [Also in Group XL (c)] Apparatus for photographing single frames of a television picture as reproduced on a cathoderay tube comprises a camera having a shutter which is opened on operating a switch and a pulse generating circuit (see Group XL (c)), to which the separated frame synchronizing pulses of the television signal are applied and which generates an output pulse which is applied to brighten the cathode-ray tube and which commences with the first frame synchronizing pulse following operation of the switch and terminates with the next following one so that the first complete frame of the television picture is photographed.
Patent GB-915980-A (GB)
Title: Electrical switches
Inventor: NEVETT LESLIE JAMES
IPC: B60Q1/42
Filed: 1960-07-25
Abstract: 915,980. Snap-action switches. LUCAS (INDUSTRIES) Ltd., JOSEPH. July 19, 1961 [July 25, 1960], No. 25766/60. Class 38 (5). A switch comprises a lever 8 pivotally connected at one end 6 to a body part and at the opposite end to a slide 10 with a cam surface 10a, an angularly movable contact 13 urged against cam surface 10a by a spring 15, and at least one pair of fixed contacts 16, the arrangement being such that as slide 10 is moved from one extreme position to the other by angular movement of lever 8 it causes spring 15 to be compressed until it moves contact 13 to the alternative position. The body part comprises a pair of spaced plates 4, 5, and slide 10 moves in a slot in a boss 12 formed on an insulating sheet 11 on plate 5. Lever 8 may have a pair of recesses in either of which a spring-pressed ball can engage to retain the lever in either of its alternative positions (Fig. 3, not shown). Contact 13 is of inverted T-shape, with a notch in its head engaging cam surface 10a and may bridge either of two pairs of fixed contacts 16, 17.
Patent GB-902197-A (GB)
Title: Method of attaching fittings to rods or tubes of resin-bonded fibre
Inventor: BANNERMAN NORMAN GEORGE
IPC: F16B17/00
Filed: 1958-08-12
Abstract: 902,197. Rod &c. connections. BRITISH INSULATED CALLENDER'S CABLES Ltd. Aug. 11, 1959 [Aug. 12, 1958], No. 25885/58. Addition to 816,926. Class 99(1). A method of attaching a metal fitting to a rod or tube 4 of resinbonded, glass fibre comprises the steps of placing a sleeve 1 of malleable metal, forming the fitting or a part thereof, on an appropriate length of the rod and compressing the sleeve on to the rod in such a way that the compressive force exerted by the sleeve on the rod gradually varies over substantially the entire length of the compressed part of the sleeve being a minimum at theend of that compressed part from which projects a tensile loadable length of the rod. As shown in Fig. 1, the steel sleeve has a bore 3 of uniform diameter and an external tapered surface 6, the sleeve being compressed on to the rod by a pair of dies 7 each having three faces 8 which lie in a plane parallel to the longitudinal axis of the rod. In modifications, (a) the bore and external surface of the sleeve are of uniform diameter and the faces 8 of the dies are tapered, (b) the tapered external surface of the sleeve extends from the middle of the sleeves to each end thereof or the outer surface of the sleeve is of uniform diameter and the faces of the dies are tapered, and (c) the sleeve comprises an inner part 13, Figs. 11 and 12, fitting into an outer part 14 by relative longitudinal sliding movement of the parts to form a fitting having a bore 15 of uniform diameter and an outer surface 16 which tapers from the middle of the sleeve to each end thereof.
Patent GB-1235664-A (GB)
Title: Optical surveying instruments
Inventor: DURHAM JOHN ANTHONY DOUGLAS BR
IPC: G01C5/00
Filed: 1967-06-06
Abstract: 1,235,664. Sighting levels. J. A. D. B. DURHAM. Sept.3, 1968 [June 6, 1967], No.26000/67. Heading G1F. [Also in Division G2] A surveying instrument, or attachment for a surveying instrument, comprises an inclined part silvered mirror 36, Fig. 1, through which a distant object may be observed along the line 40, and an arrangement 35 for producing an inverted image of the object, which is viewed by reflection at the part silvered mirror 36. The arrangement 35 consists of three equal isosceles triangle prisms 37, 38, 39, secured together as shown, the plane in which prisms 37, 38 are secured together being inclined at an angle of 45 degrees to the horizontal. When the two images are aligned the instrument is aimed along a datum direction. This arrangement may be used as a sighting level, Fig. 2, by providing a housing 20 with openings 45, 46, for the two ray paths 40, 41, and a plate 25 carrying the members 36-39, a spirit level 30, and a pair of 45 degrees mirrors 31, 32, which reflect images of the two ends of the bubble into the two ray paths. By adjusting plate 25 about its horizontal pivot 24 by means of a screw 33 the image of one end of the bubble and the reversed image of the other end may be made to coincide, whereupon the device has its optical axis horizontal. As shown the device is used for quick levelling of the normal sighting level 13. Before use, a screw (21), Figs.3,4, (not shown) for lateral adjustment of housing 20 relative to the sighting level 13 and also screw 33 are so adjusted that the image viewed through aperture 43 is identical to that seen on the crosswires of telescope 13. In the field the chain-man's rod is viewed and the telescope 13 rotated until the two images seen in housing 20 are aligned. The spirit level 30 in housing 20 is then viewed and the whole combination levelled. Subsequently the eye is moved to telescope 13 and if the cross-wires are not exactly aligned on the rod, a fine adjustment screw (16) may be rotated to achieve this.
Patent GB-1468257-A (GB)
Title: Delay lines for transit-time tubes
IPC: H01P9/04
Filed: 1974-06-12
Abstract: 1468257 Travelling-wave tubes SIEMENS AG 12 June 1974 [19 Sept 1973] 26006/74 Heading H1D A coupled-cavity slow-wave structure for a transit-time tube operable at millimetre wavelengths, and in which the transverse walls 5 each have a central beam passage aperture 6 and a coupling aperture 7 disposed in diametrically opposite positions in successive walls, is provided with axially directed cylindrical alternating bodies 9 mounted in openings 8 in the walls 5 and arranged alternatively on opposite sides of the axis, the bodies projecting into the cells by an amount which varies along the structure to provide reflection-free attenuation. Each body 9, which may be of tungsten, aluminium oxide, beryllium oxide, or boron nitride, may be soldered into its opening 8 and project into both of the adjacent cells. The extent of projection may, as shown, increase to a maximum at an intermediate point along the length of the structure, or, in a severed structure, may increase steadily from one end to the other of a severed section; alternatively, it may vary along the structure in a manner providing equal heat dissipation in all the cells.
Patent GB-138301-A (GB)
Title: An improved hand cutting tool or appliance for splitting wood or like operations
IPC: B27L7/00
Filed: 1919-10-23
Abstract: 138,301. Bremner, H. Oct. 23, 1919. Splitting. - A hand appliance for splitting firewood &c. comprises a guide member or channel 1 wherein the pivot 5 of the cutter 4 is readily adjustable so that a step-by-step cutting operation can be effected. A pawl 3 mounted on the pivot 5 and controlled by a spring 12 engages with the teeth of a rack 2 formed in the member 1 to prevent upward movement of the pivot while the cutter is being operated, but by raising the cutter the pawl can be disengaged from the rack to allow it to be adjusted. The wood to be split can be fixed upon spikes 7 formed on the member 1.
Patent GB-805316-A (GB)
Title: Improvements in or relating to baths for the electrolytic deposition of metals
Inventor: MICHAEL GREGOR
IPC: C25D3/02
Filed: 1956-08-24
Abstract: 805,316. Electrodepositing bright metals. RIEDEL, A., and BUCHMANN, F., [trading as RIEDEL & CO.]. Aug. 24, 1956, No. 26027/56. Class 41. Bright adherent ductile metal platings are produced by electrolysis from baths containing, in addition to an acid, e.g. sulphuric, fluoboric or boric acid, and a salt of the metal to be deposited, one or more sulphonated quaternary ammonium compounds such as lauryl sulphopyridinium chloride, sulphobutyl pyridinium chloride and dimethyl sulphophenyl sulphobenzyl ammonium chloride. Wetting agents such as sodium decyl sulphate and sodium mbenzene disulphonate may be included in the bath. In examples the baths disclosed are sulphate copper, Watts nickel, and zinc sulphate buffered with aluminium sulphate and containing sodium chloride for anode dissolution.
Patent GB-159536-A (GB)
Title: Improvements in and relating to internal combustion engines of the radial type
IPC: F02B75/18
Filed: 1919-10-23
Abstract: 159,536. Yano, S., and Hall, W. Oct. 23, 1919. Four-stroke-cycle engines.-An even number of radial cylinders greater than six is disposed in three or more planes at right-angles to the crankshaft, the cylinders in each row comprising a unit. The cylinders in each plane are unequally spaced, the smallest angle between two adjacent cylinders being equal to the angular interval between successive ignitions. Fig. 1 shows one group of ten cylinders of an engine having forty cylinders arranged in four planes or groups. The angle betwewn adjacent cylinders is 18‹ or 54‹ and the firing interval is 18‹. An engine having thirtysix cylinders is described, the six cylinders of each group being disposed as shown in Fig. 8. The smaller angle between adjacent cylinders is 40‹ and the larger angle 100‹. The firing interval is 20‹.
Patent GB-757170-A (GB)
Title: Improvements in or relating to ammunition for firearms
IPC: F42B5/03
Filed: 1954-09-08
Abstract: 757,170. Ammunition. BROMBACHER, H. Sept. 8, 1954 [Sept. 10, 1953], No. 26066/54. Class 9(1) An ammunition cartridge is provided cumprising a case 1 and two or more bullets 3 axially aligned and embedded in a propellant charge, the forward portion 5 of which has a higher burning rate than the rear part 4. The bullets have a hard steel core 9 with an inner lead coat 10 and an outer copper coat 11. Other materials may be used for the bullet, which may contain an explosive charge. The cartridge is fired from a conventional rifled barrel 8 having a jacket 12 and a cartridge chamber 18 closed by a breech block 13. Through the block 13 is a passage for the firing pin 15 by which the primer cap 2 in the cartridge base is initiated.
Patent GB-1136330-A (GB)
Title: Hair clippers
IPC: B26B19/06
Filed: 1967-06-06
Abstract: 1,136,330. Hair clippers. E. PAYER, [trading as PAYER-LUX EDUARD PAYER]. 6 June, 1967 [7 June, 1966], No. 26117/67. Heading B4B. In a hair clipping head for hair clippers including a housing 1 and a driven blade 4 which is pressed by spring pressure against a knifeedged comb 3, the spring pressure is applied by springs 12 which are pivotally mounted in the housing. The end of each spring on the housing side is cast integrally with an annular sliding member 13 preferably made of synthetic resin, the member 13 being rotatably or pivotally mounted on a tubular lug 7 provided on a retaining member 2 also preferably made of a synthetic resin. The end of each spring on the blade side presses against, or engages a cavity in, the blade. The member 2 has arms 8, 9 the ends of which engage recesses in the housing. The comb 3 is secured to the member 2 by screws 5 and nuts 6. The blade 4 is driven by a part 15 preferably of synthetic resin.
Patent GB-266775-A (GB)
Title: Improvements in and relating to the production of cementitious material
IPC: C04B28/04
Filed: 1925-10-20
Abstract: 266,775. Hills, A. E. Oct. 20, 1925. Cements, Portland, treating after manufacture; concretes. - Hydrated oxides of iron or aluminium or both are added to hydraulic cements or mixtures containing them to increase strength and to prevent efflorescence. The residue from the extraction of alumina from bauxite is particularly suitable as an addition. The invention is particularly applicable to the manufacture of asbestos-cement products. The Provisional Specification describes also the use cf other hydrated oxides having a weak acid reaction, such as the reactive forms of silica. Reference has been directed by the Comptroller to Specifications 24718/08.