baber/WOPTO huggingface dataset:
Patent GB-679237-A (GB)
Title: Improvements in or relating to the examination of photographic materials
Inventor: HERCOCK ROBERT JAMES
IPC: G03B27/52
Filed: 1950-07-24
Abstract: 679,237. Local viewing arrangements. ILFORD, Ltd. June 25, 1951 [July 24, 1950], No. 18452/50. Class 40 (iii). Photographic film is inspected for blemishes by projecting an infra-red image of a raster produced on the screen of a cathode-ray tube 1 on to the film 4, the radiation emerging from the film being applied to an electron-multiplier photo-cell 6, the output signals from which are amplified at 7 and applied to the grid of a cathode-ray tube 8 to reproduce a visible image upon the fluorescent screen thereof. To produce the infra-red image upon the film, a suitable filter 5 is placed in the light-path between the film and the cathode-ray tube 1. The cathode-ray tubes 1 and 8 are operated in synchronism by the common scanning generator 10.
Patent GB-421654-A (GB)
Title: Improvements in plant for mechanically filling bags or sacks with pulverulent material
IPC: B65B1/32
Filed: 1933-06-28
Abstract: 421,654. Bag-filling and weighing apparatus. MIDDELBOE, K., 14, Thorval Dsensvej, Frederiksberg, near Copenhagen. June 28, 1933, No. 18453. [Class 143] [See also Group IT] A plant for mechanically filling bags or sacks with pulverulent material comprises a silo 2, Fig. 1, or like storage container, an extracting device or pipe 3 passing through the silo wall and provided with mechanical stirring means 9 and with means (for example an inlet pipe 10) for the introduction of compressed air for the purpose of bringing the material into a fluid state, at least one filling and weighing mechanism directly connected to the extracting tube 3 and adapted to fill a bag or sack b, Fig. 2, and a cut-off mechanism controlled by each weighing mechanism for cutting off automatically the stream of material when the desired weight has been delivered. Each weighing mechanism comprises a beam 16 carrying the bag by means of a vertical rod 18 and filling spout 15, the cut-off being effected automatically as described in Specification 394,705 by the trippng of a catch and the consequent squeezing of the rubber feed tube 14. The air pressure within the extracting pipe 3 is indicated by a gauge 41, and as the rate of feed of the material depends mainly on this pressure, more or fewer weights 42 are placed on the rod 18 according to the pressure in order to avoid inaccuracy in the final weight. Instead of employing weights 42, a pipe connection may be provided to enable the air pressure in the pipe 3 to act directly on the lever 18. The bag is released from the filling spout by a handle 37 which may be actuated by the movements of the bar 18.
Patent GB-1145067-A (GB)
Title: Multi-chamber mill
IPC: B02C17/07
Filed: 1966-04-27
Abstract: 1,145,067. Ball mills. KLOCKNER-HUMBOLDT-DEUTZ A.G. 27 April, 1966 [30 April, 1965], No. 18457/66. Heading B2A. A ball mill has grinding chambers 2a, b, c, d, Fig. 3, arranged about a common rotational axis, with their closed circumferential walls each comprising a first section 21 extending over an angle greater than 180‹ and curved concavely and a second section 22. The section 22 may be curved or straight. In opera tion, feed is introduced via a chute 11, Fig. 1 cone 12 and chamber 13 from which it is guided by baffle plates 15, through apertures 16 into the grinding chambers. Comminuted material leaves .through apertures 17 in a partition wall 4a, and falls through apertures 18 via a pipe 19, whence it may be supplied, e.g. to a classifier. The mill is driven by a toothed rim 9 and pinion 10.
Patent GB-440018-A (GB)
Title: Improvements in and relating to bomb and grenade firing small arms
IPC: F41C27/06
Filed: 1934-07-16
Abstract: 440,018. Smallarms for firing bombs. SOC. ITALIANA E. BREDA PER COSTRUZIONI MECCANICHE, 9, Via Bordoni, Milan, Italy. July 16, 1934, No. 18518 /35. Convention date, July 14, 1933. Divided out of 441,144. [Classes 9 (i) and 119] Relates to smallarms provided at the muzzle with a large barrel for the discharge of bombs or grenades. According to the invention, an externally rifled sleeve 26 is disposed co-axially within the bomb discharging barrel 27 to co-operate with an internally rifled tubular extension on the bomb. The bomb discharging barrel 27 is adjustably screwed on the muzzle of the smallarm, a scale being provided to indicate the adjustment. The position of the barrel determines the extent of the opening of an annular valve 28, which controls the amount of propellent gas passing through ports 30 to adjust for range.
Patent GB-335182-A (GB)
Title: Improvements relating to deck chairs and the like
IPC: A47C4/40
Filed: 1929-06-17
Abstract: 335,182. Taylor, C. F. F. June 17, 1929. Seat bottoms; adjustments; frames.-In a X-frame folding chair of the type comprising a seat 4 pivoted at its front and slung, at its rear, from the canvas back 5, the seat proper is made stiff or rigid, e.g. by providing transverse slots S. The length of the canvas back may be made adjustable, by providing a slot 7, around which the canvas may be wrapped, and which can be secured in slots in the rear of the members 1. Alternatively the canvas back may be secured to a rail 1<b> which after rotation may be secured in position by headed sleeve-nuts 6. The frame members 1, 2 may be curved as shown in Fig. 3. Specification 24285/06 is referred to.
Patent GB-368176-A (GB)
Title: Improvements in or in connection with methods of and apparatus for withdrawing the lowest sheet from a stack of folded or unfolded sheets or leaves
IPC: B65H1/24
Filed: 1931-06-27
Abstract: 368,176. Feeding sheets ; folding paper. WINKLER, A., 30, Seminarstrasse, and DœNNEBIER, M., 46, Engerser Landstrasse, both in Neuwied, Germany. June 27, 1931, No. 18654. Convention date, Oct. 6, 1930. [Classes 100 (i) and 100 (ii).] To facilitate the withdrawal of the lowest sheet from a stack carried on a plate 2, compressed air is introduced at one or more places below the stack and spreads out between the stack and the plate 2 and thus minimizes friction. As shown, the sheets are withdrawn singly by an oscillating suction member 5, and advanced by a roller 7 co-operating with a rotary segment 6 and rings 11 between which the suckers 5 operate. A guide 10 directs the sheets to a conveyer band 10 passing over a roller 8. The segment 6 and roller 8 may be mounted in spring-pressed lever arms. The compressed air is introduced through conical openings 13 by nozzles 14 having ball ends which are ground into the openings 13 and are secured in position by flat-iron brackets 15. The invention may be applied to folding apparatus of the kind in which sheets are simultaneously folded and separated by rollers. arranged at the bottom of a pile of sheets.
Patent GB-595632-A (GB)
Title: Improvements in or relating to the manufacture of compound sheet materials
IPC: D06M17/06
Filed: 1944-09-29
Abstract: 595,632. Compound sheet materials. McGILL, J. H., NASH, J. W., and IMPERIAL CHEMICAL INDUSTRIES, Ltd. Sept. 29, 1944, No. 18672. [Class 140] Two or more sheets of paper, fabric or like material are cemented together by applying a coating of ungelatinized polyvinyl chloride paste to at least one of each pair of surfaces to be united., heating the coating at least sufficiently to set the coating to a condition of low mechanical strength and may be sufficiently to gelatinize the polyvinyl chloride, applying to at least one of each pair of surfaces to be united an easily thermoplastic layer containing ungelatinized polyvinyl chloride paste and a polymerized unsaturated compound that can be rendered plastic at a substantially lower temperature than polyvinyl chloride, assembling the sheets with the coatings between the sheets to be united, pressing them together while the easily thermoplastic layer is softened either by heat or the presence of a solvent, and subsequently heating to drive off any remaining volatile solvent and to gelatinize any ungelatinized polyvinyl chloride. The composition constituting the easily thermoplastic layer may be made by adding to a polyvinyl chloride paste a finely-divided polymerized unsaturated compound and, if desired, a solvent or plasticiser, or by mixing with a polyvinyl chloride paste the lacquer described in Specification 571,227. In an example; the easily thermoplastic composition is made by mixing a polyvinyl chloride paste containing polyvinyl chloride powder and tricresyl phosphate with a lacquer containing polyvinyl chloride powder, polymethyl methacrylate, benzol and methylated spirit. The polyvinyl chloride may be replaced by an interpolymer of vinyl chloride with another polymerizable unsaturated compound such as vinyl acetate, an acrylic or methacrylic ester, or ethyl fumarate. Specifications 570,840, 581,651 and 595,629 also are referred to.
Patent GB-595889-A (GB)
Title: Improvements relating to valves
IPC: F16K31/44
Filed: 1945-07-20
Abstract: 595,889. Tilting-furnaces. MORGAN CRUCIBLE CO., Ltd., and McDONNELL, J. G. July 20, 1945, No. 18673. [Class 51 (ii]) [Also in Group XXIX] A crucible furnace 1. is tilted about trunnion mountings 3 by a two stage hydraulic ram 4 pivoted to the furnace at 5 and pivotally supported in a mounting 6 between channel sections 7. The ram is controlled by a valve operating lever 15 associated with a motor control switch (see Group XXIX).
Patent GB-700576-A (GB)
Title: Textile fiber drafting element
Inventor: JR GEORGE COLLINS WEST
IPC: D01H5/74
Filed: 1951-08-08
Abstract: A fibre-working unit for textile machines, e.g. a spinning roll, roll cover or drafting apron, has a surface layer comprising a vulcanized conjugated diolefin polymer or copolymer having intimately incorporated therein diatomaceous earth.  Specified rubbers are butadiene-acrylonitrile, butadiene-styrene, and polybutadiene. Preferably at least 50 per cent. of the granulated earth will pass through a 40 mesh sieve, and 50 to 150 parts per 100 parts of the rubber, are used.  A specified composition is butadiene-acrylonitrile, benzothiazyldisulphide, diphenyl guanidine, diatomaceous earth, zinc oxide and iron oxide. Specifications 563,374, [Group VIII], 565,528, [Group IX], and 641,941, [Group VIII], are referred to.
Patent GB-1212153-A (GB)
Title: Devices for use with shuttering
IPC: E04G9/10
Filed: 1969-04-14
Abstract: 1,212,153. Shuttering device. BASSANI S.p.A. 14 April, 1969 [22 May. 1968], No. 18886/69. Heading E1S. In a device for holding built-in fittings on shuttering for concrete buildings, an adhesion box 2 having a sealing ring 2 for contacting the shuttering, is provided with an evacuation valve 3 which is connected via a connecting piece 15 to a vacuum source, e.g. suction pump. After evcauation the box is sealed by forcing a closing member viz ball 7 into the elastically deformable valve nozzle 6 by means of a tappet 17, contained by piece 15, by moving piston 12 beyond the normal inner end of its stroke. The closing member may take the form of a plug (8, Fig. 3) with a blind bore for the reception of the tappet. In another embodiment (Fig. 4) the pump is omitted and suction space 25 connected to, e.g. a motordriven pump by a flexible pipe provided with a multi-way cock, electrically operable. (For Figure see next page) 1,212,172. Submergible bulldozer. JAPAN DEVELOPMENT & CONSTRUCTION CO. Ltd. 7 Jan., 1969 [16 Oct., 1968], No. 977/69. Heading E1F. Apparatus permitting of the levelling ground at the bottom of shallow water comprises a self-propelled, floatable vehicle 1 that can move over both land and water and carries a means 4 for creating and supplying a powertransmitting medium and a device 5 controlling the supply of said medium from the means 4, a submergible dozer 8, a hose 7 connecting the device 5 to the means powered by the medium to actuate the operable members of the dozer, and mechanical connecting means 13 for pivotally connecting the dozer to the vehicle.
Patent GB-639819-A (GB)
Title: Improvements in and relating to hydraulic pumps
IPC: F04B1/107
Filed: 1948-07-14
Abstract: 639,819. Reciprocating pumps. BOULTON PAUL AIRCRAFT, Ltd., and NORTH, J. D. July 14, 1948, No. 18902. [Class 102(i)] A hydraulic pump that is fed by a radial-piston type pump in which the reaction member for controlling the stroke of the pistons is resiliently urged towards a position of full delivery. Fig. 1 shows a common cylinder block 4 having three banks of radial pistons 1, 2, 3 reciprocated by reaction rings 11, 12, 13. The block 4 rotates on a valve stem 5 having axial bores 28, 29 in which are arranged tubes 30, 31. The pistons 1 draw through the inlet 34 and deliver to the outlet 37 connected through duct 44 to a reducing valve 46 the outlet of which is connected through ducts 47, 48, 49, 50 fitted with non-return valves 51, 52, 53, 54 and leading to the inlet and delivery ports in the valve stem, that surround the tubes 30, 31 and lead to the pistons 2, 3; this arrangement permits a supply of liquid regardless of the direction of rotation of the cylinder block. The outlet 37 is connected through passage 38 to a piston 21 that adjusts the reaction ring 11 against the action of the adjustable spring 20. The passage 38 also leads to servomotors 23, 26 through which the reaction rings 12, 13 may be adjusted by the spindles 22, 25 and held steady by the pistons 24, 27 that are loaded by pressure liquid.
Patent GB-1473513-A (GB)
Title: Preparation of finely-divided refractory powders
IPC: C01B35/04
Filed: 1974-05-01
Abstract: 1473513 Borides; carbides; silicides; nitrides; sulphides PPG INDUSTRIES Inc 1 May 1974 [2 May 1973] 19036/74 Heading C1A In a process for preparing borides, carbides, silicides, nitrides and sulphides of B, Al, Si, Ti, Zr, Hf, Ta, V, Nb, Cr, and Mo by the vapour phase reaction of a halide of the selected metal or metalloid, and a source of B, C, Si, N or S, a reducing agent and anhydrous hydrogen halide are introduced into the "principal reactant mixing zone", the hydrogen halide in amounts sufficient to retard the growth of powdery product on exposed surfaces of the reactor; the halogen of the metal of metalloidmust be the same element as that of the hydrogen halide and the reaction is performed out of contact with the exposed surfaces of the reactor. Sources of the non-metallic element include C 1 -C 12  hydrocarbons and halogenated hydrocarbons ; N 2  and NH 3 , gaseous sulphur, H 2 S, and halides of sulphur; and the halides and hydrides of silicon and boron. The examples describe the preparation of carbide, diboride, nitride, sulphides, silicides of Ti, and the diboride and nitride of Zr.
Patent GB-223653-A (GB)
Title: Improvements in reinforced brick walls or like structures
IPC: E04B2/10
Filed: 1923-07-25
Abstract: 223,653. Morton, B. July 25, 1923. Bricks, special shapes of.-Bricks are formed with one or more deep or shallow grooves in one side or one or both end's for reinforcing rods. Fig. 1 shows a wall, each course of which consists of bricks grooved on one end and laid with the plain ends abutting the grooved ends. In the construction shown in Fig. 3, alternate courses consist of bricks c with a single end groove, and bricks d with a deep groove in the centre of one face; the bricks k are rebated at each end, and the bricks u are plain. Perforated strips v may be laid in the joints. In some cases, the grooves may be inclined to the exposed faces. Specification 15802/13 is referred to. Reference has been directed by the Comptroller to Specifications 6406/93, 6866/95, 17379/02, 2087/07, 7590/08, 19281/08, 7614/14, and 187,289, [Class 20 (iv), Floors &c.].
Patent GB-658931-A (GB)
Title: Improvements in or relating to power plants for the propulsion of aircraft
IPC: F02C7/047
Filed: 1949-07-21
Abstract: <PICT:0658931/III/1> A fuel vapour recovery system for an aircraft gas-turbine plant consists of an air-cooled condenser 33 mounted in the forward end of the engine air inlet 11 and connected by a pipe 32 to the top of the fuel tank 31.  The condenser is in the form of a number of coils connected at their lowermost points by openings 36. Condensed vapour is returned to the fuel tank through a pipe 39 fitted with a pump 40.  An air vent valve 41 is fitted at the top of the condenser.
Patent GB-853161-A (GB)
Title: Improvements in or relating to detachable handles for pans and other cooking utensils
IPC: A47J45/07
Filed: 1958-06-17
Abstract: 853,161. Handles for cooking utensils. LONGSTAFF, C., and MURPHY, T. J. Aug. 11, 1959 [Jan. 17, 1958], No. 19274/58. Class 66. A detachable handle 9 for a cooking utensil comprises a hand grip hooked at one end for upward insertion into a slot provided by a bracket, Fig. 1 (not shown), on the utensil, the hooked portion having a hole 10 passing through it aligned with a plunger spring- loaded to urge the plunger away from the hole 10 but capable of being urged, through a corresponding hole in the bracket, into the hole 10 by an operating lever 18 in opposition to the spring. The plunger is formed by a stem 12 carried by a hollow boss 11 fitted to the handgrip which may be of strip metal and formed by casting or moulding, Figs. 5 and 6 (not shown). The device may be applied to a saucepan, Fig. 7 (not shown) ; or a roasting pan, Fig. 8 (not shown), which may carry a pair of brackets so that the pan may be lifted by two such handles.
Patent GB-1457969-A (GB)
Title: Continuously washing yarns with washing liquid
IPC: D06B3/06
Filed: 1974-05-02
Abstract: 1457969 Washing yarn in packages; unwinding yarns KANEBO Ltd 2 May 1974 [7 May 1973 4 July 1973 21 Nov 1973] 19335/ 74 Headings D1J and D1L Yarn is washed in packages by continuously drawing off the yarn from the package whilst contacting the outer surface of the package with the washing liq. flowing over the outer surface thereof. As shown in Fig. 1, the yarn 2 may be wound on a hollow bobbin through which washing liq. is supplied to the top of the package 3 so that the liq. flows down the outer surface of the package 3 as the yarn 2 is removed. In a further method, shown in Fig. 2, the washing liq. is supplied to the top of the package via a spout 5c. In the latter two methods the packages 3 are confined within cylinders 10 which prevent ballooning of the take-up yarn. The latter method shown in Fig. 2 may be adapted for continuous operation, as in Fig. 5 (not shown), wherein 10 yarn packages are treated on a step-wise rotating platform (42). The outside of the packages are washed at (3b) from spout (5b) and then, following rotation of the platform (42), the package is washed at (3a) from spout (5a) as yarn (2) is withdrawn from the package. The trailing ends of the yarn in each package are joined to the leading end of the following package through a vertical slot (43) in each surrounding cylinder (10). The step-wise rotation of the platform (42) is started automatically by a switch (46) which has a flexible wire (46a) for detecting the passage of the yarn joins. The rotation is stopped by a limit switch on the underside of the platform (42).
Patent GB-354497-A (GB)
Title: Improvements in or relating to winding machines for weft bobbins
IPC: B65H54/14
Filed: 1930-06-26
Abstract: 354,497. Winding bobbins. SCHARER, L. and SCHRER, K. J., (trading as SCHRER-NUSSBAUMER & CO.), Erlenbach, Switzerland. June 26, 1930, No. 19425. Convention date, July 8, 1929. [Classes 120 (ii) and 120 (iii).] In a machine for winding one or more weft bobbins which are not secured by the spindles, each bobbin spindle 1 carries a needle 4 freely housed in the longitudinal bore 15 of the bobbin 12, the thread being attached to the needle, so as to be pulled through the bore as the bobbin is removed, the arrangement allowing the thread to be unwound by being drawn through the bore which may contain a brake for the thread. A mandrel 3 screwed in the rotating and reciprocating spindle 1 has a liner 10 of fibre &c., and carries the needle 4 which has a hook end 5, the base 8 of clamps 9 which coact with rings 14 on the bobbin 12 being held between an adjustable collar 6 and a disc 7. A soft lining 16 in the bore 15 brakes the thread during unwinding. In an alternative form, the needle is fixed in the spindle and passes through the mandrel which terminates in a head having a rubber insertion and a central pin supporting the bobbin base, and which is pressed outwardly by a spring, the tip of the bobbin resting against a resilient insertion in a tapered recess in a support therefor, the bobbin being pressed back against the spring to allow the needle to project and retain the thread prior to doffing. Specifications 5176/11 and 16218/11, [both in Class 120 (iii), Yarns &c.], are referred to.
Patent GB-614224-A (GB)
Title: Improvements in means for producing lighting effects
IPC: G09F13/00
Filed: 1945-07-30
Abstract: 614,224. Rotary lamps. GENERAL ELECTRIC CO., Ltd., and MOORE, R. C. July 30, 1945, No. 19454. [Class 75 (iv)] [Also in Group XVIII] A lighting device for use with an electric discharge lamp comprises a plurality of colour filters adapted to pass light from the lamp of at least two different colours, and means for moving the colour filters in synchronism, or nearly in synchronism, with an A.C. supply for the said lamp, so that, during operation, beams of different coloured light radiate from the device, the arrangement being such that the beams would be stationary if the filters were to move in synchronism with the said supply. An electric discharge lamp 1 operated by A.C. supply is surrounded by a drum 2 provided with filters 3 all of different colours and driven by a synchronous motor fed from the same A.C. supply as the lamp. The drum may be rotated once during each half-cycle of the A.C. supply when the different coloured beams will be substantially stationary, or if the drum is rotated once during each cycle of the A.C. supply, the lamp electrodes become anode and cathode alternately and will appear in different colours to a stationary observer. The drum may be rotated at a speed differing slightly from synchronism to produce changing colour effects. In a modification three lamps may be provided within the rotatable drum and connected across the three phases of a threephase A.C. supply respectively, the drum being rotated in synchronism with the supply. The device may be used for advertising purposes in conjunction with a screen 5, and the electrodes of the lamp may be shaped in the form of letters or other symbols. The filters may alternatively be carried by a disc or an endless belt.
Patent GB-293395-A (GB)
Title: Improvements in and relating to electric immersion heaters particularly for type-metal pots
IPC: H05B3/78
Filed: 1928-07-05
Abstract: 293,395. British Thomson - - Houston Co., Ltd., (Assignees of Abbott, C. C.). July 5, 1927, [Convention date]. Heating by electricity; ; resistance furnaces. - An immersion heater, particularly for type metal pots, comprises an enlarged body portion 11 and an upwardly extending neck portion 12, and resilient means co-operating with the neck portion to hold the heater against the side of the pot. Heating elements 17 are embedded in the body and extend upward into the neck to a sufficient distance to keep the metal fluid around the neck and thus provide a vent to allow expansion of the metal. The heater is resiliently supported by means of a knife edge 25 and bolts 30 fitted with spring washers 30<a> and engaging lugs on the heater and holes in the pot 10. The heater comprises a casting in which are embedded two elements of the type described in Specification 144,767, [Class 38 (i), Electric couplings &c.], bent into sinous form. Connections 32 pass through the neck to the elements.