baber/WOPTO huggingface dataset:
Patent GB-109059-A (GB)
Title: Improvements in Wheeled Display Trays and Service Tables or Waggons.
Inventor: PRESTON JOHN CHARLES
IPC: A47B31/00
Filed: 1917-08-23
Abstract: 109,059. Preston, J. C. Aug. 7, 1916, [Convention date]. Hand-propelled vehicles for goods; folding and coll a p s i b l e vehicles.-A wheeled display tray or service wagon or waiter for dining - room service, or for warehouse, shop, and office use, comprises angle metal legs detachably secured to the corners of a number of trays which are adapted to form a box to contain the legs when detached. The lower ends of the legs are bent into tubular form to receive the castor stems. The trays D, E with rolled edges are secured to the legs A by bolts G, and the lower tapered ends of the legs enclose the tapered stems C of the castors. The castor stem C and arms K are formed by cutting and bending a piece of sheet metal. The castor wheel is formed of two dished stampings L connected by rivets M and provided with a tyre N, and is supported on a sleeve R held between the castor arms K by a bolt O.
Patent GB-1065935-A (GB)
Title: Corn picker husking bed
IPC: A01F11/06
Filed: 1966-03-18
Abstract: 1,065,935. Maize huskers. FORD MOTOR CO. Ltd. March 18, 1966 [April 16, 1965], No. 12132/66. Heading A2Q. The husking bed of a maize (corn) picker comprises at least one pair of cylindrical rolls 12 and 14 mounted, e.g. axially inclined, in a frame 11. The rolls are closely spaced apart and are rotatable, as by toothed gears, in opposite directions, so as to carry husks of corn (maize) cobs through the nip between the rolls, and thus strip off the husks. One of the rolls, e.g. roll 14 as shown, is provided with a plurality of axially spaced discs 27, made of resilient material, such as rubber, which discs project from the cylindrical surface of said roll and may be received in corresponding circumferential grooves 29 in the other roll, e.g. roll 12. One roll, e.g. roll 14 may be made of a metal such as cast iron, the other roll, e.g. roll 12, may be made of, or coated with, resilient material such as rubber. The axial distance between the discs may be less than the average length of the husks. Two pairs of rollers 12 and 14 may be mounted in the frame, and an inverted V-shaped central deflector 25 and downwardly inclined side deflectors 26 may be provided.
Patent GB-1306621-A (GB)
Title: Apparatus for the production of transversely profiled pipes
IPC: B29L23/00
Filed: 1971-04-29
Abstract: 1306621 Moulding corrugated pipe W HEGLER 29 April 1971 [11 Dec 1970] 12145/71 Heading B5A Apparatus for the production of plastics pipes having annular or helical corrugations comprises an extruder 10 feeding plastics pipe to a series of end-to-end abutting moulds moving in a straight moulding path 3, each mould being comprised by mould halves 1 which circulate in closed paths and come together after being conveyed around semicircular arcs having their centres of curvature at 2. The halves are so conducted that the leading corner 4 of each half travels along an arc 6 whereas the trailing corner 5 travels along a larger arc 7. The corrugations are formed by pressure applied to the inside of the tube forcing it into contact with the mould walls, or a negative pressure is provided between the tube and mould walls. As shown in Fig. 2, the halves are interconnected by links 12 and pins 11 and are driven by a pinion 19 over a base-plate 35. The pinion engages teeth on the upper sides of the halves whereby they are urged together and pushed along the moulding path 3 and then pulled around stationary roller-shaped return members and return paths 14 before engaging similar stationary members 13. The links 12 engage the halves towards their leading ends and the back of each mould half has curved recesses 15 which engage upper and lower flanges of the members 13 whereby the halves are tilted forward as they pass around the members. Each of the latter carry two rollers 18 which engage further recesses 17 in the backs of the halves urging opposed mould halves together. Press-on rollers 21 on both sides of the path 3 keep the halves together; the rollers on one side are mounted in a fixed guide-rail 22 and those on the other on a spring-urged guide rail 23. Means are provided for stopping the machine should mould halves become separated during the moulding stage. At the end of the latter, opposing halves are separated by a wedge. To prevent the halves tilting on the base-plate the links 12 may be a close fit in recesses in the backs of the halves. Passages may be provided in the base-plate and mould halves for the flow of coolant under a negative pressure corresponding to that applied to the mould interior.
Patent GB-400629-A (GB)
Title: Improvements in or relating to condenser microphones
IPC: H04R19/04
Filed: 1932-04-27
Abstract: 400,629. Microphones. TELEPHONE MANUFACTURING CO., Ltd. and BURRIDGE, B. J., Martell Road, West Dulwich, London. April 27, 1932, No. 12156. [Class 40 (iv).] A condenser microphone comprising in combination a casing and fixed and movable electrodes, one of which is the diaphragm, is characterized in that the diaphragm is substantially untensioned, and the air space enclosed behind it is such that the pressure therein is not appreciably modified by movements of the diaphragm in normal operation. Preferably, the fixed electrode has a surrounding air space or spaces between it and the casing and there is no "breather hole" in the casing. In the construction shown, the fixed electrode consists of a large number of pins 16 extending from a plate 17, which is mounted on an insulating block 14 provided in a casing 10. The outer ends of the pins may all lie in a plane parallel to that of the diaphragm 20, which in the device shown is a flat sheet of gold foil. The diaphragm is clamped between a ring 21 and the upper end of the casing, which is formed with a lip 24 that serves to stretch the diaphragm slightly, but only sufficiently to prevent excessive slackness. The gap between the diaphragm and the back electrode is comparatively large, e.g. from À01 to À008 of an inch. The thickness of the diaphragm is preferably 2À5 X 10<-6> inches, and its "effective weight" is less than the estimated pressure produced by sound waves in normal use. A shield 25 may be provided to protect the diaphragm and also to serve as a sound filter which may be used to modify the frequency response. The shield may consist of two layers of wire gauze with an intermediate layer of cotton-wool. The diaphragm may be of conical form, and the back electrode may comprise a number of strips instead of pins.
Patent GB-1155237-A (GB)
Title: Float-Operated Stop Valve.
Inventor: SORENSEN SVEND
IPC: F16K31/20
Filed: 1967-03-15
Abstract: 1,155,237. Valves. S. SORENSEN. 15 March, 1967, No. 12157/67. Heading F2V. A float-operated valve comprises a diaphragm 5, between chambers 8 and 14, with a central aperture 11 of larger cross-section than one or more outlet apertures 9, and a plunger 4 actuated by a float arm 7 in response to a rise in level in a cistern, to reduce the effective crosssectional area of the aperture 11 to below that of the apertures 9. Upon such a reduction, pressure in the chamber 14, drops below that in the chamber 8, and the diaphragm is moved by pressure from an inlet 2 to seat. on the plunger 4, and cut off flow through the valve. When the float drops the plunger 4 moves back into a boss 6, and cuts 13 allow flow if the diaphragm seats on the end of the boss. In Fig. 3 (not shown), an imperforate diaphragm (15) is placed between the plunger and the diaphragm 5.
Patent GB-714413-A (GB)
Title: Improvements in low pressure electric discharge lamps and operating circuits therefor
IPC: H05B41/232
Filed: 1950-05-16
Abstract: 714,413. Discharge lamps. GENERAL ELECTRIC CO., Ltd., BOWTELL, J. N., and WILLIAMS, C. E. Aug. 15, 1951 [May 16, 1950], No. 12211/50. Class 39(1) [Also in Group XXXV] To prevent the local glow discharge across each hot-cathode electrode 10, 11 of a low pressure discharge lamp 1 spoiling the lamp appearance and limiting the minimum light output attainable from a circuit arrangement providing controllable discharge current, such glow discharge is obviated by making each electrode of tungsten wire coated with electron emissive material and of such short length. of wire relative to its resistance per unit length that it can be raised to a temperature of not less than 1050‹C by a heating current insufficiently great to establish across the electrode a voltage sufficient to form such glow discharge. The electrical characteristics and physical dimensions of the circuit and electrodes which yield no glow discharge are described in the Specification. The lamp may have an earthed starting strip 24.
Patent GB-418356-A (GB)
Title: Improvements in demountable vehicle bodies
IPC: B65D88/74
Filed: 1934-04-23
Abstract: 418,356. Ventilating vehicles. TENNANT, W. J., 111, Hatton Garden, London.-(Motor Terminals Co. ; 420, Lexing- ton Avenue, New York, U.S.A.) April 23, 1934, No. 12218. [Class 137.] Removable containers for vehicles are provided with ventilation means for admitting air to the interior and allowing it to be discharged at the roof eaves. Adjacent the end doors are arranged spaced plates 20 connected to the door jambs and to the sides 11 so as to form vertical flues, air being admitted by apertures 107 and passing into the interior at the upper end of the flues, a damper 135 being provided. Similar flues are provided at the side doors the spaced plate 20 being, in this case, replaced by an inclined plate 105. The air passes out through roof corrugations 14 packing material 200 being provided to lessen the suction as the container travels.
Patent GB-377996-A (GB)
Title: Processes of heating gases and apparatus therefor
IPC: C21B9/00
Filed: 1931-04-25
Abstract: 377,996. Regenerative gas heaters. RESEARCH CORPORATION, 405, Lexing- ton Avenue, New York, U.S.A. April 25, 1931, No. 12324. Convention date, May 6, 1930. [Classes 51 (i) and 51 (ii).] A heating gas and a gas to be heated are alternately passed through a bed 8 of promiscuously deposited refractory particles, the bed being adapted to be gravitationally renewed and of a breadth at right-angles to the direction of gas flow substantially equal to or greater than the depth. During the heating period blast furnace gas is admitted to the burner 3 through a main 1 controlled by a valve 2 and air enters through a pipe 4 with a valve 5, the mixture burning in the combustion chamber 6 and the hot products passing through the bed 8 of refractory particles to an annular chamber 10 whence they pass through a pipe 11 and valve 12 to the exhaust 13. When the bed is sufficiently heated the valves 2, 5, 12 are closed, a valve 15 is opened admitting cold air to the pipe 11 whence it enters the bed at the inclined free surface 9 and passes upwardly to a hot-blast valve 17 in a pipe 16. When the bed has become choked with dust &c. a port 20 at the bottom of the chamber is opened and the particles allowed to fall out for cleaning, fresh particles being supplied through ports 21. The hot-blast valve 17 is cooled by water from a supply 18. The filling may comprise pieces of firebrick, quartz, fused silica, porcelain, zirconia, carborundum, sillimanite, or the material known under the registered Trade Mark "Alundum," and is supported directly by the lower part of the chamber.
Patent GB-1128754-A (GB)
Title: Process for making shrinkable films of ethylene interpolymers
Inventor: SPILLERS FRANK WAYNE
IPC: B29C48/10
Filed: 1966-03-21
Abstract: 1,128,754. Heat-shrinkable films. DOW CHEMICAL CO. 21 March, 1966 [24  March, 1965], No. 12337/66. Heading B5B. A heat-shrinkable film is made by extruding at a temperature above its crystalline m.p. an interpolymer comprising ethylene and from 1-45% by wt., based on the interpolymer, of at least one monovinylidene monomer having 3-10 C atoms, a relative crystallinity not greater than 50% measured by X-ray diffraction and a crystalline m.p. of 85-112 C., through an annular die to form a seamless tubing, inflating said tubing with a gas to at least three times the diameter of the die, cooling and collapsing the bubble thus formed to a layflat tubing. The vinyl monomer may be a   vinyl ester of a C 1-8 alkanoic acid, a C 1-8 alkyl ester of an [alpha],#-ethylenically unsaturated monocarboxylic acid, a free [alpha],# - ethylenically unsaturated monocarboxylic acid, or an  
[alpha],#-ethylenically unsaturated nitrile. Specified interpolymers contain as monomer : methyl methacrylate, vinyl acetate, acrylic acid, ethyl acrylate, isobutyl acrylate, acrylonitrile or isobutyl acrylate/acrylic acid. Reference has been directed by the Comptroller to Specification 992,897.
Patent GB-494693-A (GB)
Title: Improvements in absorption refrigerating machines
IPC: F25B15/10
Filed: 1937-04-30
Abstract: 494,693. Refrigerating. MAIURI, G. April 30, 1937, No. 12356. [Class 29] Absorption systems.-In a continuous-cycle inert gas system the inert gas is removed from the evaporator in progressively decreasing amounts along its length in order to provide a uniform intensity of cooling over a wide range of partial pressures and temperatures. At the higher temperature end of the evaporator evaporation takes place at substantially the total pressure in the evaporator and absorber. The system is particularly adapted for cooling gases in the' liquefaction of air. In the system shown in Fig. 1 the generator a has an enlargement a<1> at its upper part and communicates through a rectifier c with the condenser d, connected by a pipe d<1> with the evaporator f. The absorber e communicates by pipes e<1>, f<1> with the gas space of the evaporator, and liquor is circulated by a pump g from the absorber to the generator. The inert gas only partly balances the pressures, and is circulated by a fan e<2>. The weak liquor, the liquefied refrigerant and the inert gas are cooled in the evaporator, and unevaporated refrigerant is led through a valved pipe x to a jacket y around the strong liquor pipe g<1> to cool it by further evaporation. In the evaporator, Fig. 2, liquefied refrigerant is cooled in a coil j intertwined with a coil m for weak liquor and the refrigerant is led through valves k<3>, k<4> to annular reservoirs l, o from which it overflows weirs provided with capillary wire wicks l<2>, o<2>. In the lower part of the evaporator the inert gas is cooled in a coil n which is open at its lower end, and nitrogen or other substance to be cooled flows through a coil w. A helically arranged series of outlets q for inert gas provided on the lower part of the evaporator wall lead to a jacket p from which a conduit r extends to the absorber. The outlets are more closely spaced at the bottom so that the amount of inert gas diminishes towards the top. The absorber is fitted with a core or filler and with a cylindrical baffle depending from a weir channel supplied with weak liquor from the pipe m. It is cooled by a water coil. In a modified system, Fig. 4, suitable for a refrigerant such as ethane, toluol or ethylene with butane or dichlorethylene as the absorbent, and adapted to be used alone or in tandem with an ammonia system serving to cool the absorber and condenser, the generator a may be heated by a steam boiler a<2> and the evaporator f and absorber e are combined in one structure. The ammonia from the first machine or cooling water traverses pipes v, y in the absorber and condenser, and the liquefied refrigerant and the nitrogen traverse intertwined coils j, w in the evaporator. The inert gas rises from the absorber through conduits 3 and returns through helically arranged outlets q and holes 5 to the bottom of the absorber.
Patent GB-729560-A (GB)
Title: A process for the manufacture of liquid polymerization products
IPC: C08F14/18
Filed: 1952-05-15
Abstract: Liquid and waxy polymers of fluorine and chlorine substituted ethylenes are made by heating in the gaseous state to a temperature within the range of 150 DEG  to 450 DEG  C. in the presence of free halogen or halogen-containing radicals.  The polymerization may be effected at pressures up to 500 atmospheres.  Substituted ethylenes mentioned are trifluorochloroethylene, trichlorofluoroethylene, difluorodichloroethylenes, fluorochloroethylenes, and difluorochloroethylenes.  The free halogen or halogen-containing radicals may be derived from chlorine, bromine, iodine, hexachlorethane, carbon tetrachloride, carbon tetrabromide, trichlorofluoromethane, dichlorodifluoromethane, trifluorotrichloroethane, monochlorotrifluoroethylene, dichlorodifluoroethylenes, dichloromethane, ethyl chloride, vinylene or vinylidene chloride or the monomer itself.  The polymerization may also be effected in the presence of silica gel, activated carbon or copper chloride precipitated on a carrier.  The polymers may be used as liquid dielectrics, lubricants, coolants, solvents, or plasticizers.ALSO:Liquid polymers of fluorine and chlorine substituted ethylenes are made by heating in the gaseous state to a temperature within the range of 150 DEG  to 450 DEG  C. in the presence of free halogen or halogen-containing radicals.  The polymerization may be effected at pressures up to 500 atmospheres. Substituted ethylenes mentioned are trifluorochloroethylene, trichlorofluoroethylene, difluorodichlorethylenes, fluorochlorethylenes and difluorochloroethylenes.  The free halogen or halogen-containing radicals may be derived from chlorine, bromine, iodine, hexachlorethane, carbon tetrachloride, carbon tetrabromide, trichlorofluoromethane, dichlorodifluoromethane, trifluorotrichloroethane, monochlorotrifluoroethylene, dichlorodifluoroethylenes, dichloromethane, ethyl chloride, vinylene or vinylidene chloride, or the monomer itself.  The reaction may also be effected in the presence of silica gel, activated carbon or copper chloride precipitated on a carrier. The polymers may be used as liquid dielectrics, lubricants, coolants, solvents or plasticizers.
Patent GB-331950-A (GB)
Title: Improvements in de-aerating lubricants
IPC: C10M175/00
Filed: 1929-04-22
Abstract: 331,950. Drysdale & Co., Ltd., and Drysdale, J. W. W. April 22, 1929. Recovering waste lubricants.-Apparatus for de-aerating lubricants comprises a de-aerating chamber d which is maintained under .limited reduced pressure by a vacuum pump v and a spring-loaded air-inlet valve s, is supplied with used oil from a drain tank t through a funnel m, a float-controlled valve w, and a port k, and contains an oil-pump o by which the treated oil is returned through a pipe u, a valve m, and a pipe y to the lubricated parts a. The pump o is driven by an electric motor n. The pump v is driven independently by the motor n, e.g. from the motor spindle or from the oil-pump spindle g by a worm j and worm-wheel r. The float f may be arranged in the chamber d.
Patent GB-167288-A (GB)
Title: Improved apparatus for grinding cylinders internally
IPC: B24B33/08
Filed: 1920-05-05
Abstract: 167,288. Hobbs, J. R. May 5, 1920. Round holes, enlarging and trueing; wheels and other tools.-A device for grinding the internal surfaces of cylinders comprises two or more grinding-blocks 5 mounted in removable cages 4 carried in longitudinal slots 2 formed in a central cylindrical body. The grinding-blocks are urged radially outwards by springs 6 engaging in sockets 7 in the cages, and are provided with flanges 11 adapted to engage with flanges 10 on the cages. The cages are retained in position by a washer 12 secured to the lower end of the central body and by a washer 16 held in place by a wing-nut 15 screwed on a central spindle 13, which has at its lower end a head 14 seated in an annular rib 3 formed on the central body. The device is driven, through the spindle 13, by a hand brace or drill, or may be set up in a lathe or drilling-machine. The cages are replaceable by other cages of different radial height to enable cylinders having various diameters to be ground.
Patent GB-145224-A (GB)
Title: An improved device for drying hay, straw and the like products
IPC: F26B9/10
Filed: 1919-05-17
Abstract: 145,224. Tinker, C., and White, J. F. May 17, 1919. Drying-floors.-In drying hay, straw, and like products.by stacking it round a vertical perforated ventilating-shaft connected to a ventilating airmain, valve-controlled means are provided to allow passage of air through the material from a portion only of the lower part of the shaft so that ventilating of the material can proceed as the building of the stack proceeds. The perforated shaft 3 is surrounded by a co-axial tube 11 of wire mesh &c., and an annular closing-plate 8 between the tubes 3, 11 is adapted to lift in turn a series of telescopic cylindrical elements 9 that surround the shaft 3. The plate 8 and elements 9 are drawn up by rope or like tackle 10 as the building of the stack proceeds. The passage of the air, which may be previously heated or dried, from the main 4 to the shaft 3 is controlled by a valve 6 operated by a lever 7. A number of shafts may be connected to a single air-main with a controlling-valve 6 for each shaft.
Patent GB-684704-A (GB)
Title: A device for securing articles of clothing to a clothes-line
IPC: D06F55/00
Filed: 1950-05-22
Abstract: 684,704. Clothes pegs. GIBBS, G. M. May 4, 1951 [May 22, 1950], No. 12788/50. Class 44 A device for securing clothes to a clothes line comprises a ring 1 of rubber or the like having inwardly directed teeth 2 adapted to grip the line and arranged so that it may be slid or rolled along the line to grip the edges of the clothes. During the latter action the section at any point on the ring rotates, the ring turning inside out. To facilitate the rolling process the ring is formed with a series of horns 5, 6 projecting from the circumference and the side faces of the ring.
Patent GB-514215-A (GB)
Title: Improvements in or relating to neck-ties
IPC: A41D25/16
Filed: 1938-04-29
Abstract: 514,215. Neckties. BRITISH CELANESE, Ltd. April 29, 1938, No. 12826. Convention date, April 30, 1937. Addition to 496,242. [Class 141] The necktie of the parent Specification is modified in that the lining in the intermediate portion is formed with a notched end or opening in the front part of the tie, the notched end or opening extending centrally of the tie, and downwardly from the portion of the tie intended to form the knot. In the form shown, the tie comprises an outer fabric 6, a lining 7, and a shaping lining 8 made of or containing a material adapted to cause it to coalesce to the outer fabric, and if desired to the lining 7, the lining 8 being formed with a notched end 9. In a modification, the tie comprises in the region of a portion thereof intended to form the knot, a lining insert adhered to the outer tie fabric and formed with a notched end, and also comprises a portion of lining which adheres to the outer tie fabric over that portion adapted to embrace the wearer's collar. In a further modification, the lining is formed with a central opening in the portion of the tie intended to form the knot. The outer tie fabric may contain a thermoplastic organic derivative of cellulose and the lining, e.g., of cotton or linen, be impregnated with a plasticiser for the cellulose derivative over the portion required to adhere to the outer tie fabric, or the outer tie fabric may consist of non-thermoplastic fibre, and the lining contain a thermoplastic organic derivative of cellulose together with a plasticiser therefor in the portion required to adhere to the tie fabric.