baber/WOPTO huggingface dataset:
Patent GB-937496-A (GB)
Title: Electrophotographic reproduction material
IPC: C07D257/02
Filed: 1960-03-09
Abstract: A coating composition for electrophotographic plates comprises a natural or synthetic resin and a photoconductive 1:2:5:6-tetraazacyclooctatetraene substituted in the 3-, 4-, 7- and 8-positions by carbocylic or heterocyclic aromatic groups. A sensitizing dyestuff or chlorophyll may also be present. Specified solvents are methylene chloride, chloroform, methanol, glycol monomethyl ether, acetone, benzene and toluene.  The support may be metal (e.g. aluminium of which the surface may be roughened), glass or a conductive resin.  The composition may be applied by roller or by spraying.ALSO:Photoconductive resinous compositions comprise one or more 1:2:5:6-tetraaza-cyclooctatetraenes substituted in the 3-, 4-, 7- and 8-positions by carbocyclic or heterocyclic aromatic groups, together with a resin, and optionally a dyestuff, as in Specification 853,880.  Suitable aza compounds are listed.ALSO:Tetra-aza-cyclo-octatetraenes of the formula <FORM:0937496/IV(a)/1> in which the R symbols denote carbocyclic or heterocyclic aromatic radicals, are made by melting together (or heating together in solution) 1 : 2-diketones and the dihydrazones of such diketones. In examples the R groups are phenyl, methoxyphenyl, ethoxyphenyl, phenoxyphenyl, methylenedioxyphenyl, chlorophenyl, 2-hydroxy-5-bromophenyl, dimethylaminophenyl and pyridyl.
Patent GB-1426129-A (GB)
Title: Method and apparatus for lubricating the internal bearings of thin-layer evaporators used in polymerization or poly condensation installations
IPC: F16C33/10
Filed: 1974-02-25
Abstract: 1426129 Polymerization process SNIA VISCOSA SOC NAZIONALE INDUSTRIA APPLICAZIONI VISCOSA SpA 25 Feb 1974 [26 Feb 1973] 8425/74 Heading C3R In a polymerization process wherein the reaction mixture is passed through a series of thin layer evaporators, the lower bearings of the rotors which are inside the evaporators are lubricated with some of the polymer being formed and which has suitable physical properties. The polymer increases in molecular weight as it passes through the series of evaporators and some is withdrawn at the point where the viscosity at the operating temperature is suitable for its use as a lubricant. The polymerization may be an esterification, e.g. the manufacture of polyethylene terephthalate, and the polymer may be used as a lubricant when it has an intrinsic viscosity of 0À15 to 0À30.
Patent GB-683804-A (GB)
Title: Improvements in and relating to air blast high voltage electric circuit breakers
IPC: H01H33/12
Filed: 1949-03-29
Abstract: 683,804. Air-blast switches, oil-break switches. BRITISH THOMSON-HOUSTON CO., Ltd. March 29, 1949 [April 6, 1948], Class 38 (v) A circuit-breaker has main interrupting contacts 14, 15 of the air-blast type and oil-break insulating contacts 64, 65, a single fluid motor 6 actuating the interrupting contacts directly and the isolating contacts through an overcentre toggle 84, 86, so that the isolating contacts open after nd close before the interrupting contacts. The circuit-breaker is shown in the "closed" position and on manual or other operation of the switch 34, a valve 8 is moved by the solenoid 36 to admit pressure air from the container 7 to the "opening" cylinder 16, and a valve 9 is opened by the solenoid 49 to admit pressure  air to the arc-extinguishing chamber 11. The piston 17 is driven upwardly and by means of a rack 28 turns a pinion 29 on its fixed spindle 30 to move a rack 32 interconnecting the moving interrupting contact 15 with the "closing" piston 19. Thus the contact 15 is moved down to open the circuit, the are formed at the contacts 14, 15 being extinguished by the blast through the opened valve 9, pipe 46 and nozzle contact 14. As the pinion 29 turns, it turns the toggle link 86 which is fixed to it, and initially straightens the toggle 84, 86, so that during the initial part of the opening movement of the contact 15, the isolating contact 65 is merely moved to the left against the bias of the resilient mounting of the fixed isolating contact 64. The oil-break isolating contacts 64, 65 are opened as the pinion 29 turns the toggle 84, 86 beyond its straight position. To re-close the circuit breaker, switch 57 is operated to cause valve 8 to admit gas to the cylinder 18 so as to move the piston 19 from the bottom to the top of the cylinder, the isolating contacts 64, 65 being closed first as the links 84, 86 pass through their central position. The insulating bushing 71 carrying the fixed contact 64 is supported by an earthed plate 72 which permits the use of a bushing-type current transformer 74. Specifications 541,321 [and 549,756 are referred to.
Patent GB-1516495-A (GB)
Title: Rotary positive-displacement fluidmachine with rotor cooling
IPC: F01C21/06
Filed: 1977-03-01
Abstract: 1516495 Rotary positive-displacement fluid-machines CATERPILLAR TRACTOR CO 1 March 1977 [2 July 1976] 08524/77 Heading F1F A rotor for a machine that may be a compressor, an I.C. engine, an expander, or a pump, has cooling cavities 40 in an annular flange 36 on a partspherical hub 34, each cavity being furnished with a loosely-fitting substantially U-shaped perforated agitator 56 for the coolant eg oil, which is introduced through a conduit 52. When in situ the rotor is mounted rotatively on an oblique "eccentric" 24 formed on a rotary power-input, or output, shaft 22, the coolant also serving as a lubricant for bearings 28, 30.
Patent GB-1512352-A (GB)
Title: Additive for tobacco
IPC: A24B15/28
Filed: 1977-02-07
Abstract: 1512352 Tobacco additive IMPERIAL GROUP Ltd 7 Feb 1977 [3 March 1976] 08553/76 Heading A2C Tobacco is coated with particles of porous carbon prior to being made up into cigars or cigarettes. The coating is performed by first wetting the tobacco and then tumbling the tobacco with the carbon and an adhesive. Preferably the final composition comprises 5 to 25% by weight carbon and adhesive, the remainder being tobacco.
Patent GB-400506-A (GB)
Title: Improvements in recording tachometers
IPC: G01P1/12
Filed: 1933-03-22
Abstract: 400,506. Speedometers with recording-apparatus. ETABLISSEMENTS E. JAEGAR, 2, Rue Baudin, Levallois-Perret, Seine; France. March 22, 1933, No. 8648. Convention date, May 25, 1932. [Classes 106 (iii) and 106 (iv).] A prismatic casing for a recording tachometer is constructed with a substantially square face on which is a dial indicating speed, running time totalizers on the side faces and a graphical record of speed on the top. The engine or other element drives a shaft 1 connected to tachometric and chronometric mechanism, not shown, located at 1a, and actuating a speed indicator pointer 2 on a spindle 48 and a shaft 3 which by toothed gearing rotates pointers on several dials visible through side windows 64 and indicating running time. The shaft 3 also, when the engine is running, rotates a shaft 12 and thence a cylinder 14 having side pins 15, 16 which thus unwind a paper strip 13 from a roll at constant speed, the strip being rewound on a drum 17 driven by a spring belt from the shaft 12. The speed is recorded on the strip by a pencil on the end 42 of an arm 41 which is controlled, together with the speed indicator pointer 2, by the tachometric mechanism. A sector 45 rocked about the pivot 46 according to the speed actuates the pointer 2 through a pinion 47 on its shaft 48. The arm 41 forms part of a fork with two branches 44 pivoted to the sector so that it may be turned back clear of the mechanism when the cover is removed to give access to the paper roll. Springs 53 hold it in either position. The roll is retained in its casing 33 by spring-controlled pivoted arms 27, the upper ends of which also carry rollers 26 holding the strip in contact with the cylinder 14. The tachometer dial 62 is carried by the casing which can be removed without removing the pointer 2 when the latter is at the zero position which corresponds with a radial slot 63 on the dial. The presence of the slot is masked by a fixed part of the casing behind it marked similarly to the dial.
Patent GB-138490-A (GB)
Title: An improved method for fixing and holding household, laundry or wash-house coppers and furnace pans
IPC: A47J47/00
Filed: 1919-04-07
Abstract: 138,490. Simonds, J. April 7, 1919. Washing-boilers.-A household copper or furnace pan is fitted with a glass or stoneware top which rests on the brickwork body and supports the pan. The flange of the pan rests in a recess c, and slots are formed in the top to receive lugs formed on the pan.
Patent GB-672195-A (GB)
Title: Waveform shaping circuit
IPC: H04N5/06
Filed: 1948-09-06
Abstract: 672,195. Pulse generating circuits. COPE, J. E., HOLLAND, E. O., and PYE, Ltd. Aug. 31, 1949 [Sept. 6, 1948], No. 8811/51. Divided out of 672,125, [Group XL (b)]. Class 40 (vi). A wave-form shaping circuit for deriving from a sine-wave input a square wave of adjustable pulse-width comprises two resistancecoupled valves, the sine wave together with an adjustable bias from a potentiometer R2 being applied to the control grid of the first valve V1 and the squared output being taken from the anode of the second valve V2. The circuit is particularly designed for use in the televisionsynchronizing-pulse generating circuit of Specification 672,125.
Patent GB-325411-A (GB)
Title: Improvement in thrust bearing
IPC: F16C17/04
Filed: 1929-03-19
Abstract: 325,411. Triggs, W. W., (Ingersoll-Rand Co.). March 19, 1929. Channels and reservoirs in thrust bearings. - In a thrust bearing comprising a housing B, a self-aligning bearing support K mounted therein, and self-aligning thrust rings U, V mounted in the support to co-operate with a thrust flange G on a sleeve E secured to a shaft A. a pump Y driven from the shaft and drawing from a well X in the housing delivers lubricant through an inlet f to a chamber in the support K which is provided with an overflow passage k at the top, the inlet f being positioned above the bottom of the flange G, so that at least a part of the flange and bearing rings remain immersed when the shaft stops. Journal bearings Q, R mounted in the support K are fed with lubricant through grooves h. An oil-thinning ring o on the shaft prevents escape of lubricant from the housing.
Patent GB-403986-A (GB)
Title: Improvements in the suspension of machinery subject to vibration
IPC: B60K5/12
Filed: 1932-03-29
Abstract: 403,986. Mounting power units. NEALE, F., 50, Broadway, Coventry. March 29, 1932, No. 8922. [Class 79 (iii).] A suspension system for a reciprocatory power unit having a tendency to rock about its centre of gravity comprises combined supporting and guiding means allowing movement in any direction about the centre of gravity, resilient restraining means being provided, if desired, to limit the degree of movement in any particular plane or planes. The guiding and supporting means, carrying the power unit, may be mounted so as to be capable of a translatory movement under restraint along any one or more of three mutually perpendicular axes. As shown, the engine unit a is provided with a number of brackets or projections d seating on supports e carried by a vehicle frame b, the co-engaging surfaces of the members d and e being parts of a sphere or spheres centred about the centre of gravity c of the unit. The surfaces may be maintained in contact by spring loaded bolts f projecting from the supports through openings g in the brackets d. Restraint of the movements in any desired plane or planes may be provided by means of springs or rubber blocks h arranged between one or more arms i on the unit and brackets k on the frame. The supports e may be fixedly attached to the frame or springs or rubber blocks such as n may be interposed to allow translatory movements along one or more of three mutually perpendicular axes of the combined supporting means and unit. The Provisional Specification describes also an arrangement wherein rubber blocks are interposed between the brackets d, e.
Patent GB-628951-A (GB)
Title: Improvements in or relating to pre-stressed reinforced concrete arch-bridges
IPC: E01D4/00
Filed: 1945-04-11
Abstract: 628,951. Bridges. PRE-STRESSED CONCRETE CO., Ltd., and MAUTNER, K. W. April 11, 1945, No. 8945. [Class 20(i)]  Applies the principle of pre-stressing concrete to arches and discloses a method of constructing reinforced concrete archbridges where the roadway is above the arch, Fig. 2a, whereby the arch, which comprises cavities, is connected to heavy end counterweights g<SP>1</SP> and the upper thickness of the cross-section is pre-stressed by means of non-banded but permanently incorporated tendons r<SP>1</SP> anchored at m<SP>1</SP> and stretched after their incorporation, the prestressing being applied to such an extent that the tensile stresses in the concrete are either reduced to nil or below the tensile strength of the concrete. By this method heavy abutments h<SP>1</SP> are obviated if the rise-span ratio is kept small e.g. about 1/10. Other means to produce a moment acting in the same sense as the counterweight g<SP>1</SP> may be used e.g. a retaining wall and earth prism, or rigid frames for the side spans.
Patent GB-1496386-A (GB)
Title: Antibiotics
IPC: A61K35/66
Filed: 1975-03-05
Abstract: 1496386 Antibiotics GRUPPO LEPETIT SpA 27 Feb 1976 [5 March 1975] 9057/75 Heading C2A Novel antibiotics are prepared by cultivating Actinoplanes teichomyceticus nor. sp. ATCC 31121 under aerobic conditions in an aqueous nutrient medium containing assimilable sources of carbon and nitrogen, and inorganic salts until substantial antibiotic activity is present in the medium, recovering said antibiotic activity and separating the metabolites present in the fermentation medium. Using known separation techniques the following metabolites are obtained:-teichomycin A 1 , teichomycin A 2 , teichomycin A 3 , antibiotic 8327 factor B and antibiotic 8327 factor C.
Patent GB-326031-A (GB)
Title: Improvements in screws, bolts and the like and to washers therefor
IPC: F16B41/00
Filed: 1929-03-20
Abstract: 326,031. Guest, E. S. March 20, 1929. Washers.-To prevent loss of the washer 2, the diameter of the plain hole 3 is made slightly smaller than that of the threads. It is first dished, passed over the threads, and then flattened, contracting the hole 3 to its original size. The washer is retained in a recess formed under the bolt head.
Patent GB-493105-A (GB)
Title: Drop-bottle
IPC: B65D1/08
Filed: 1937-03-30
Abstract: 493,105. Bottles. KLUGE, F. W., and BROCK, W. P. March 30, 1937, No. 9086. [Class 125 (i)] A single-hole drop bottle has a horizontal upper wall 1 at its outlet end, a raised rim 6 at the periphery of the wall, an opening 5 eccentric in the wall and terminating adjacent the raised rim, and a pair of upstanding ledges 4 at the sides of the opening terminating a short distance apart and opposite the part of the rim from which liquid drops. In a modification, the raised rim may be eccentric of the body of the bottle and provided with a drop rod 7 with an ellipsoidal end.
Patent GB-1097731-A (GB)
Title: Swivel pipe joint
Inventor: MOORE MICHAEL MOSES
IPC: F16L27/067
Filed: 1964-03-04
Abstract: 1,097,731. Pipe joints. HIGH TEMPERATURE ENGINEERS Ltd. March 29, 1965 [March 4, 1964], No. 9245/64. Heading F2G. A swivel pipe-joint comprises first and second cylindrical members 1, 2, formed as pipe fittings and having respectively external and internal mating spherical guide surfaces 3, 4 which are prevented from separating under the action of internal fluid pressure by a thrustbearing 6 which allows relative angular movement of the two members, and a skirt 9 having a margin 10 projecting into sealing contact with the member 1 at a position to the side of the equator to its spherical surface 3 which is remote from the end of the member 2 to which it is attached, whereby fluid pressure inside the joint tends to improve its sealing contact with the member 1. The skirt 9 is of nickel alloy; its flange 11 carries annular ribs 12 which engage corresponding grooves around the shoulder of the member 2 and is retained in position by a screwed ring 14. The nickelchrome balls of the bearing 6 are retained by a nut 7 which has a race on its lower surface to receive them; the surface 3 on which the balls bear is chromium-plated. The drawing shows an assembly of two joints which can accommodate parallel as well as angular and rotational misalignment of its members 1 and 1<SP>1</SP>.
Patent GB-123907-A (GB)
Title: Improvements in or relating to the Setting of Box Tools and the like of Automatic Machines such as Capstan and Turret Lathes and Screw Machines.
IPC: B23B29/16
Filed: 1918-06-05
Abstract: 123,907. Guest, Keen, & Nettlefolds, and Eayrs, T. W. June 5, 1918. Turning.-A gauge for setting the cutters f and steadies e in a box tool for a lathe, screwmachine, and the like comprises a bush a to fit the hollow shank c of the box tool, and a gaugepin b, with suitable head b<1>, to fit in the bush a, and turned to the diameter of the finished work. The tool f and steadies e are set against the pin b, which is then withdrawn, as is also the bush a, a handle being provided for this purpose on a collar at the) outer end.
Patent GB-498962-A (GB)
Title: Improvements in or relating to the production of spun threads or yarn
IPC: D02G3/18
Filed: 1938-03-25
Abstract: 498,962. Yarns or threads. SOC. ANON. VETRERIA ITALIANA BALZARETTI MODIGLIANI. March 25, 1938, No. 9262. Convention date, March 30, 1937. [Class 120 (iii)] In producing a yarn or thread by reducing a lap of filaments which cross at a constant acute angle, the lap is cut into strips along lines in a direction bisecting the acute angle of intersection between the filaments, the strips then being drawn and twisted to form a yarn. In preparing such a yarn of glass fibres the lap or web of glass filaments 1, Fig. 2, is cut into strips, which are drawn in the direction y, Fig. 4, and twisted while being wound on a bobbin 7, Fig. 5. The strips 3 may be sprayed with dressing liquids before or during drawing.
Patent GB-370177-A (GB)
Title: Improvements relating to weaving loom shuttle-pegs
IPC: D03J5/08
Filed: 1931-03-27
Abstract: 370,177. Loom shuttle pegs. FERRAND, LES FILS DE H., Grand Charmont, near Montbeliard, Doubs, France. March 27, 1931, No. 9308. Convention date, March 29, 1930. [Class 142 (iii).] The shuttle peg body 2 pivoted at 9 has a guide 5 for the end of a spring 3 the other end of which is formed into an eyelet pivoting about an axis 7. When the peg is lowered into the shuttle, relative motion between the spring and the body y causes throws 8, 4, to come opposite one another to expand the spring and secure the cop.
Patent GB-850389-A (GB)
Title: Flame spray coating
IPC: C09D5/46
Filed: 1957-03-21
Abstract: A composition, for flame spraying, comprises a mixture of powdered molybdenum silicide (preferably the disilicide) optionally also including one or more silicides of titanium, zirconium, hafnium, vanadium, niobium, tantalum, chromium and tungsten, the individual silicide particles being coated with silica; together with from 1%-10% by weight of the silicide, of aluminium or magnesium powder. An easily reducible metal oxide e.g. cobalt oxide may also be present as may boron and/or silicon carbide.ALSO:A ceramic body is flame sprayed with a powder mixture of a molybdenum silicide and optionally one or more silicides of titanium, zirconium, hafnium, vanadium, niobium, tantalum, chromium and tungsten, the individual particles being coated with silica; together with from 1-10% by weight of the silicide of aluminium or magnesium powder.  An easily reducible metal oxide e.g. cobalt oxide, may be added to supplement the exothermic heat.  Boron and silicon carbide may also be present.
Patent GB-718635-A (GB)
Title: Improvements in power driven domestic wringing machines
Inventor: KENYON JAMES MAXWELL
IPC: D06F45/18
Filed: 1952-04-15
Abstract: 718,635. Wringers. ENTWISLE & KENYON, Ltd. April 15, 1953 [April 15, 1952], No. 9341/52. Class 138 (2). In a power-driven wringer of the kind wherein the bottom roller B is driven from a lay shaft A, which receives its motion from a vertical or substantially vertical shaft, the lay shaft A being driven through one or other of a pair of bevel wheels A<1>, A<2> capable of being brought into driving connection with a motor driven shaft A<3>, on which the wheels A<1>, A<2> are loosely mounted, by a sleeve D which is slidable on the shaft A<3> but is positively driven therefrom, and the sleeve D having one or two projections d<1>, d<2> at each end adapted to engage corresponding projections a\ a<2> on the bevel wheels, the lay shaft A is located above the bottom roller shaft b so that when the bottom roller falls on operation of release mechanism, a gear wheel B<1> on the shaft b will be disengaged from a gear wheel F<1> on the lay shaft by which it is driven when the bottom roller is in its operative position. The bevel wheels A<1>, A<2> mesh with a bevel wheel F on the lay shaft A. The sleeve D is moved axially on the shaft A<3> by means of a block (not shown) which engages between flanges d on the sleeve and is eccentrically mounted on a disc, which can be rotated by a handle to connect one or other bevel wheel A<1> or A<2> to the shaft A<3> or to provide a neutral position. The upper roller C may be positively driven by means of a sprocket wheel C<1> connected by a chain g to a sprocket wheel G on the lay shaft A. The shaft A<3> carries a bevel wheel a which engages a bevel wheel on the upper end of an upright driving shaft, and these bevels become disengaged when the wringer is removed from or turned down over the top of a washing machine on which it may be mounted. Specification 718,636 is referred to.
Patent GB-308374-A (GB)
Title: Process for imitating the grain of wood
IPC: B41M3/06
Filed: 1929-03-22
Abstract: 308,374. Masa Ges. zur Herstellung K³nstlicher Oberflõchen, (Assignees of Allgemeine Elektricitõts-Ges.). March 22, 1928, [Convention date]. Processes.-To reproduce the grain of wood, the wood is impregnated with a colour in a high fluid condition and a moistened sheet of gelatine pressed thereon. For the gelatine sheet a fixed silver bromide paper may be used. The impression on the sheet is used as an original for photo - mechanical reproduction. Alternatively for this purpose an impression may be made on a sheet of glass coated with gelatine. For the fluid colour, water colours or distemper may be used: aniline colours are particularly suitable.
Patent GB-330988-A (GB)
Title: Improvements in feeding finely divided solid material into high pressure vessels
IPC: C10G1/06
Filed: 1929-03-22
Abstract: 330,988. Grant, F. B., Harper, H., and Imperial Chemical Industries, Ltd. March 22, 1929. Feeding-devices for granular &c. materials.- Pulverulent fuel, or material, is fed to a receptacle containing gas at high pressure, such as a hydrogenation plant by means of a cavity in a slidable ram, the material being ejected either by rotating the ram or by a blast of gas or by both. A ram 1 with a cavity 2 slides in a boss 3 in a high pressure vessel 4. The cavity, in the outward stroke of the ram, registers with the bottom of a hopper 5 which deposits material into the cavity. On the inward stroke of the ram the material is deposited in the vessel 4 by a partial rotation of the ram, the discharge being accelerated by a blast of gas which may be at 300 atmospheres if the pressure in the vessel 4 is at 250 atmospheres. The blast enters a bore 8 in a bearing 9, this bore registering with a bore 6 in the ram on the inward stroke of the latter. Leather scraper washers 11, 12 are provided to clean any powdered material off the ram and an exhaust port, connected to a gas holder, may be provided in the bearing 9 and adapted to be brought into register with the bore 6 while, the cavity, full of high pressure gas, is passing through the boss 3. The vessel 4 is supplied with gas through a pipe and may be a stationary reaction vessel or a rotating drum from which the powdered material is transferred to a reaction vessel as described in Specification 327,840, [Class 86, Mixing &c.]. The ram 1 may be made double-acting by extending it through the vessel 4 and providing a cavity and hopper at each end.