baber/WOPTO huggingface dataset:
Patent GB-300734-A (GB)
Title: Improvements in or relating to metallic cartridges for small arms
IPC: F42B5/285
Filed: 1927-09-10
Abstract: 300,734. Barker, J. H. Sept. 10, 1927. Gun cartridges. - A metal cartridge case for ordnance and smallarm ammunition is made with a thickened base through which an axial hole 5 is formed, the charge, whether of flake or grain powder, cordite, or other explosive, being loaded into the case through the hole in the base after a, wad 4 has been inserted and a neck has been formed at 2 for the reception of a bullet 3, the hole 5 being then closed by a hollow member 6 which provides an anvil 7 and receives a percussion cap 8. The cap holder 6 may be formed by pressing a disc of brass &c. in dies, or may be made from a solid block of metal. The formation of the cap holder may be such that it is expanded against the wall of the cartridge case when the propellant charge is fired, and is thereby prevented from being blown out. An example of such a construction is shown in Fig. 4, wherein the plug 6 has an annular flange 26 for this purpose. The body 1 of the cartridge case may be made of solid-drawn tubing. To enable the wad to be inserted from the base after the mouth of the case has been necked and annealed, as well as to facilitate loading with cordite, the hole in the base may have approximately the full diameter of the case, as shown in Fig. 4.
Patent GB-360490-A (GB)
Title: Improvements in or relating to the vulcanisation of natural rubber and rubber-like masses
IPC: C08K5/00
Filed: 1930-08-09
Abstract: As a vulcanization accelerator for rubber &c. is used the reaction product of an N-disubstituted dithiocarbamic acid or salt thereof with asdichloracetone.  Examples are reaction products of as-dichloracetone with the sodium salt of (1) dimethyldithiocarbamic acid; (2) cyclopentamethylenedithiocarbamic acid; and (3) dicyclohexyldithiocarbamic acid.ALSO:The vulcanization of rubber and the like is accelerated by addition to the mix of the reaction product of an N-disubstituted dithiocarbamic acid or salt thereof with as-dichloracetone. Examples are reaction products of as-dichloracetone with the sodium salt of (1) dimethydithiocarbamic acid; (2) cyclopentamethylenedithiocarbamic acid and (3) dicyclohexyldithiocarbamic acid.
Patent GB-640852-A (GB)
Title: Improvements relating to variable pitch propellers
IPC: B64C11/06
Filed: 1948-09-13
Abstract: 640,852. Variable -pitch propellers. MATTEUCCI, R. Sept. 13, 1948, No. 23994. Convention date, May 22, 1940. [Class 114] [Also in Group XXXIV] In a variable pitch propeller, each blade 3 is pivoted to the hub 1 by an arrangement of bearings comprising a plain bearing 4 at the end of the pivot 2, roller bearing 9 at the blade root, and an intermediate ball or roller thrustbearing 5. The inner race 12 of the roller bearing 9 is resiliently mounted in an axial direction.
Patent GB-1030202-A (GB)
Title: Piezoelectric filter ceramics
IPC: H01L41/18
Filed: 1963-01-02
Abstract: A ferroelectric ceramic composition comprises a solid solution of lead zirconate and lead titanate in the mol ratio of 44: 56 to 35: 65 and 0.1-1.5 weight per cent of Cr2O3.  Up to 10 atom per cent of the lead may be replaced by barium, strontium or calcium.  The composition may also include 0.1-1.0 wt. per cent of Fe2O3.  The composition may be prepared by mixing the constituent oxides or precursors thereof, grinding, sintering at about 850 DEG  C. for about 2 hours, re-grinding, mixing with a solution of sorbitol or polyvinyl alcohol or a paraffin emulsion, pressing into discs and firing at about 1285 DEG  C. for 45 mins.
Patent GB-1222077-A (GB)
Title: Improvements in laminated sheet material and structures
Inventor: BURRELL THOMAS ERIC
IPC: D21J1/00
Filed: 1967-05-24
Abstract: 1,222,077. Laminates. MONTEB Ltd. 21 May, 1968 [24 May, 1967], No. 24063/67. Heading B5N. A laminated board or panel is formed by forming a patterned or plain laying-up surface, laying on the surface a coating of resin, then a continuous layer of fibrous material of a given length and width, filling the material with a second coating of resin-based adhesive, laying one or more sections of substantially rigid preformed perforated material on the layer and applying pressure, after a rest period sufficient to allow the adhesive to set applying further adhesive to the material to coat and fill the perforations, and then applying a layer of fibrous material to the upper coat of the surface of the perforated material and further adhesive to the layer and after a further period for adhesive setting purposes, removing the laminate from the layer-up surface. The resin-based adhesive may be a polyester resin. The perforated material may be asbestos or cardboard, the surface of which may be treated to give it the required characteristics before it is laid down on the fibrous layer. The laying-up surface may be pre-treated with a release medium. The fibrous material may be of woven threads which may be synthetic, mineral, e.g. glass, silk or natural fibres or a mixture of these.
Patent GB-592010-A (GB)
Title: Improvements in vulcanization of rubber
IPC: C08K5/00
Filed: 1944-12-01
Abstract: Synthetic rubbers such as copolymers of butadiene with styrene or with acrylonitrile are vulcanized with the aid of an accelerator having the general formula <FORM:0592010/IV/1> where A is a branched chain alkyl radical.  The preferred compound is N-isopropyl benzothiazyl sulphenamide which may be prepared by condensing mercaptobenzthiazole with isopropylamine in the presence of an oxidizing agent such as hydrogen peroxide, the crude product being recrystallized from ligroin.  Other accelerators such as mercaptothiazoles, mercaptoarylthiazoles, mercaptothiazolines, diarylguanidines and their salts, and dithiocarbamates, and also sulphur, fillers, pigments, softeners and anti-oxidants may be added. Specification 517,451 and U.S.A. Specification 2,339,552 are referred to.ALSO:Rubber and synthetic rubbers such as copolymers of butadiene with styrene or with acrylonitrile are vulcanized with aid of an accelerator having the general formula <FORM:0592010/V/1> where A is a branched chain alkyl radical.  The preferred compound is N-isopropyl benzothiazyl sulphenamide which can be prepared from mercaptobenzthiazole and isopropylamine by the method of Group IV. The efficiency as an accelerator of this compound is compared with that of N-n-propylbenzothiazyl sulphenamide prepared according to the method of U.S.A. Specification 2,339,552 when used in master batches containing smoked sheet rubber, carbon black, zinc oxide, zinc laurate, pine tar, sulphur and acetone-diphenylamine condensate. Other accelerators such as mercaptothiazoles, mercaptoaryl thiazoles, mercapto thiazolines, diarylguanidines and their salts, and dithiocarbamates, and also fillers, pigments, softeners, and antioxidants may be added. Specification 517,451 also is referred to.
Patent GB-232120-A (GB)
Title: Improvements relating to the fuel valves of internal combustion engines
IPC: F02M63/00
Filed: 1924-10-13
Abstract: 232,120. Robertson, W., and Fairfield Shipbuilding & Engineering Co., Ltd. Oct. 13, 1924. Valve gear.-The rod 12 of a reciprocating fuel valve 13 is connected by a pair of links 57 to arms 56 on a shaft 53, which is provided with another arm 100 connected by rods 101, Fig. 5, to a lever 104 pivoted on a bracket 105 and connected by a rod 113 to quadrants 116 actuated by eccentrics 119, 120. Fig. 5 shows the arrangement of valve gear for a double-acting engine. Regulating.-The stroke of the valve 13 is varied by adjusting the connection of the rods 101, 106 with the lever 104, by means of a link 107, lever 110, screw 111, and hand-wheel 112. The connection between the valve 13 and its rod 12 is adjusted by inserting washers 17 of different thicknesses.
Patent GB-500594-A (GB)
Title: Improvements in or relating to pressure rollers for spinning machines
IPC: D01H5/74
Filed: 1937-09-04
Abstract: 500,594. Loose boss rollers for spinning- machines ; lubricating. SPINDEL-UND SPINNFLUGELFABRIK AKT.-GES. Sept. 4, 1937, Nos. 24178 and 29571. Convention dates, Sept. 5, 1936 and May 10, 1937. [Class 120 (ii)] [Also in Group XXXIV] Continuous lubrication of loose boss rollers for spinning-machines is ensured by oil-charged rings 3 of absorptive material arranged in dove-tail grooves in the boss and embraced by elastic spring-rings 9 which may be of various shapes to provide suitable compression areas. Distribution of oil is facilitated bv one or more grooves or flats' 8 on the axle. Collars 5 serve to prevent access of fly, and slots 8 and grooves 6 facilitate extraction of fly. The Specification as open to inspection under Sect. 91 comprises also an arrangement wherein the grooves arc inclined to the axis of the boss. This subject-matter does not appear in the Specification as accepted.
Patent GB-1310541-A (GB)
Title: Treatment of cloth
IPC: D06B3/20
Filed: 1970-05-19
Abstract: 1310541 Treating cloth SANDO IRON WORKS CO Ltd 19 May 1970 [19 May 1969 22 May 1969 16 June 1969 4 Nov 1969] 24236/70 Heading D1L A method of treating cloth, comprises passing the cloth 3 through a container 1 filled with treatment liquid, by means of guide rollers 4 and 4' so that the cloth traverses a zig-zag path through the container 1. Gas bubble generating pipes 5 and 5' are arranged to direct air bubbles into the areas between the cloth 3 and the guide rollers. The bubbles are compressed by the pressure of the cloth on the rollers and some bubbles pass through the cloth thereby improving the treatment. In another embodiment, shown in Fig. 6, a guide plate 104 can be inserted to guide the bubbles produced by pipe 103 to the area between the cloth and roller 101.
Patent GB-502596-A (GB)
Title: Improvements in or relating to x-ray tubes
IPC: H01J35/02
Filed: 1938-08-17
Abstract: 502,596. R÷ntgen-ray tubes. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. Aug. 17, 1938, No. 24237. Convention date, Aug. 20, 1937. [Class 39 (i)] In an X-ray tube the anode 4 comprises a mass of metal, e.g. copper, a refractory impact disc 5, Fig. 1, e.g. of tungsten, and is blackened over a large part (at least 75 sq. cm.) of its outer surface 6, this part being arranged opposite a metal tube wall 1 which is insulated from the anode and cathode so as to withstand high-tension, and the direct connection between anode and tube end and external supply conductor is of such poor heat conductivity that the quantity of heat that it conducts away is low, compared with the heat radiated by the anode, the insulating tube ends and also the external metal parts serving to connect the current leads to the electrodes, being surrounded by an insulating protective body which has fixed to it a high tension cable. The wall 1 of ferrochrome is provided with a lead layer 7 and a protective metal wall 9 which may have cooling fins 39. The thin ends 64, 65 of the wall are sealed into glass' end-pieces 2, 3, on which are mounted the hoods 11, 12 by means of lead oxide, moulding asphalt, or sealing wax 16. Each hood comprises two fluted interlocking members 13, 15; the member 15 carries the cable connection, coated externally with metal, e.g. by spraying, and may be connected to the wall 1 or 9 by a screw 17 which may fix the parts, or by engaging an annular slot render them relatively rotatable. The metal coating may be omitted if the insulation is thick enough. Both wall 1 and metallic coating are earthed. The anode is carried by a thin-walled ferro-chrome tube 19 on a fluted disc 20, made of the material sold under the Registered Trade Mark "Calit," and which, together with a metal heat shield 38 is mounted on the end of the wall 1. The shield 38 may be of copper, and the surface of the anode facing it may be blackened. The lead 21 from the anode is taken to a disc 26 sealed in the member 2, and thence to the conductor 18. The cathode 23 and focusing device 22 are carried by a similar tube 25 on a similar disc 24, and the leads 27, 28 are taken to a metal ring 29 and hood 30, mutually insulated by a glass ring 31, and which are engaged by bush 32 and plunger 33 respectively. The tubular lead 34 from the bush 32, and the central lead 35 from the plunger 33 are separated by a rubber casing 36. The assembly at the cathode end of the tube is otherwise similar to that at the anode end. In a modification, the anode 45, Fig. 2, is carried by a thin-walled metal tube 48, on a massive copper member 49 provided with a shielding enlargement 51. A further screen 50 is provided. The cathode 53 is connected at one end to a tungsten plate, and its lead at the other end passes through the plate. Screens 60 and 61 protect this end of the tube from heat and electron bombardment. Insulating hoods are provided in the modification also, and a lead sheath and metal protecting member may be provided on the metal wall 11.
Patent GB-929382-A (GB)
Title: Improvements in or relating to five-sided wirebound containers
IPC: B65D6/16
Filed: 1961-07-05
Abstract: 929,382. Wirebound containers. STAPLING MACHINES CO. July 5, 1961 [July 5, 1960], No. 24250/61. Class 18. A five-sided wirebound container is made from a blank comprising four panels of face material 12 with reinforcing cleats 22, 24, 26 and 32 along the edges of the blank, the panels being joined together by a pair of binding wires 10 which are secured by means of staples driven through the face material 12 and into the cleats 22, 24, 26 and 32. The second panel consists of two halves 6 which are raised to form the ends of the container. Panels 4 and 8 are folded so that their respective cleats 24 and 26 abut the upper surfaces of cleats 32 and the ends of battens 30 engage in notches 28. The bottom panel 2 is then folded over and the crate is secured in its erected position by loop fasteners 34 at the ends of binding wires 10. In a modification the ends of battens 30 may be notched to provide projecting tongue portions which engage in corresponding notches in cleats 24 and 26, thus locking the crate ends 6 in position. In a second modification a batten is attached to the outer face of each panel 6 in such a position that it is force fitted between the inner faces of cleats 24 and 26 and against the inner face of cleat 22. In a third modification a batten of thin cross-section, attached to the outer face of each panel 6 along its free edge, abuts the inner faces of cleats 22, 24 and 26. In a fourth modification each cleat 32 has a longitudinal groove cut in its inner surface so that it engages projecting tongues formed at the ends of cleats 24 and 26. All four modifications strengthen and secure the container.
Patent GB-702967-A (GB)
Title: Improvements relating to safety valves
IPC: F16K35/06
Filed: 1951-10-18
Abstract: 702,967. Safety valves. VULCAN BOILER & GENERAL INSURANCE CO., Ltd., and FRY, R. G. Oct. 1, 1952 [Oct. 18, 1951], No. 24313/51. Class 135 In a spring-loaded safety valve provided with a cap a which has a free fit on the valve cover k and encloses the screwed abutment b by which the loading of the valve spring c is adjusted so that when the cap is in position the setting of the valve cannot be altered the cap is retained in position by the hasp g of a padlock which passes through a hole f in the valve spindle e and open-ended slots d in the cap a located at opposite sides of the valve spindle. The cap a has wing-like projections h by which it may be lifted or turned to ease the valve i on its seating j when the padlock is in position. Specification 418,924 is referred to.
Patent GB-974442-A (GB)
Title: A method of gripping reinforcement bars for tensioning
IPC: E04C5/12
Filed: 1962-06-26
Abstract: 974,442. Rod joints. BETONUND MONIERBAU A.G. June 26, 1962 [June 26, 1961], No. 24438/62. Heading F2G. [Also in Division B3] Concrete reinforcement and like bars of non-circular section are gripped for tensioning by a socket 17 internally threaded at 20 which is engaged over one end of the bar and twisted to cut or upset complementary thread grooves 3 at each crest or projection of the cross-sectional profile of the bar end. The screw-thread may be continuous or interrupted by longitudinal gaps. The mouth of the socket may be flared. The bars may be formed circular in section with one or more longitudinal ribs, and/or steeply or slightly inclined helical ribs. The socket 17 is screwed on to a tensioning rod 15 to which it is further secured by a key 18 and ring 19.
Patent GB-905425-A (GB)
Title: Improvements in and relating to polyphase current transformers
IPC: H01F38/38
Filed: 1959-07-16
Abstract: 905,425. Switchgear structures. PARTICIPATIONS APPAREILLAGE GARDY S.A DE. July 16, 1959 [Sept. 22, 1958], No. 24482/59. Class 38 (5). [Also in Group XXXV] A polyphase current transformer assembly for polyphase switchgear comprises single-phase transformers 2a ... 2c embedded in overlapping relationship in a single moulding 1 which has integral screens 7a, 7b, 8a, 8b to isolate the high voltage terminals 6a ... 6c and the co-operating cable terminals 11a ... 11c from each other and from earth. The transformer is associated with an earthing switch having contact arms 14 co-operating with the terminals 11a ... 11c and mounted on a spindle 15 which is pivoted in the outer screens 7a, 7b. The moulding 1 may be of an epoxy resin.
Patent GB-481292-A (GB)
Title: Improvements in or relating to electrolytic condensers
IPC: H01G9/145
Filed: 1936-09-08
Abstract: 481,292. Electrolytic condensers. DUBILIER CONDENSER CO. (1925), Ltd. Sept. 8, 1936, No. 24510. Con vention date, Dec. 31, 1935 [Class 37] A wet electrolytic condenser has one or more anodes C pre ferably pleated, one or more cathodes F connected to the container A, the cathode being perforated to allow of circulation of the electrolyte. A per forated insulating spacer G prevents contact with the anode C. Specifications 416,010 438,934, 445,328, 448,163, anc 467,024 are referred to.
Patent GB-598283-A (GB)
Title: Process for the recovery of sulphur dioxide from gas mixtures
IPC: C01B17/60
Filed: 1945-09-21
Abstract: In a process for recovering sulphur-dioxide from gas mixtures by absorbing it in an organic base, and thereafter stripping by heat such as is described in Specification 564,734, a preliminary separation of the organic base absorbent from a mixture of the scrubbing solutions and water separated from the stripped organic base is effected prior to heating the mixture in the regenerating step, and the organic base thus separated is returned to the absorbing step without passing through the stripping step.  In operation, a cooled gas mixture containing sulphur dioxide is passed into an absorber 12 in countercurrent flow to anhydrous dimethyl aniline (or other base such as toluidine or xylidine) supplied from tank 19.  From 12, the gas mixture passes sequentially through a soda scrubber 14 and acid scrubber 16 to the atmosphere.  The dimethyl aniline charged with sulphur dioxide is withdrawn from the base of absorber 12 and passed through filter 40 and heat exchanger 42 to the top of a stripper 24 wherein the sulphur dioxide is released as the absorbent passes downwardly in countercurrent flow to steam entering the bottom. The sulphur dioxide thus released passes through a rectifier 26, a gas cooler 29, dehydrator 30 and trap 34 to a compressor and storage tank, while the stripped absorbent, cooled by heat exchanger 42 and cooler 44, is passed into a tank 50 wherein a separation is effected between the dimethyl aniline and water phases, from which anhydrous dimethyl aniline is returned to the supply tank 19 and the water phase passed into a collecting tank 46 which also receives the soda and acid solutions from scrubbers 14 and 16.  At this stage a portion of the water phase may be bled off through valve 51 and sent to stripper <PICT:0598283/III/1> 24 as required.  From tank 46 the composite solution is sent to tank 48 wherein a preliminary separation is effected, the dimethyl aniline being sent to tank 19 and the remainder of the solution sent to regenerator 22, where it is heated to boil off the organic base, the vapour of which together with steam enter the base of stripper 24 thereby returning the base to the system and supplying steam (heat) for the stripping operation.  In one modification, wherein the soda scrubber is omitted, sodium sulphite may be mixed with a part or all of the water phase separated from the stripped absorbent and the solution from the acid scrubber.  In another modification the water phase is sent direct from the stripped absorbent to the regenerator, while only the solutions from the acid and soda scrubbers (or suitable alkali reagent in processes not employing the soda scrubber) are sent to the recovered absorbent separating tank for preliminary separation.
Patent GB-989647-A (GB)
Title: Improvements in or relating to gamma radiation monitors
Inventor: BISBY HARRY
IPC: G01T7/02
Filed: 1962-06-27
Abstract: 989, 647. Gamma radiation monitors. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. June 12, 1963 [June 27, 1962], No. 24600/62. Heading G1A. Gamma radiation from a fluid is monitored by apparatus comprising a gamma radiation detector unit 1, and a vessel 2 for containing a sample of said fluid, the vessel 2 being provided with walls arranged such that the interior side wall surfaces of the vessel cannot be seen by the detector unit 1. Liquid from a process stream flows into the vessel 2 by a pipe 14 and out again by pipe 17. The vessel 2 is of frustro-conical shape the angles between the side walls and the top of the vessel being such that y-radiation from the walls cannot pass up a collimating tube 27 to the detector unit 1. The detector unit consists of a NaI crystal and a photomultiplier housed in a cylindrical casing 22 surrounded by lead shields 23, 24. The output from the photomultiplier is fed via an amplifier/E.H.T. generator to a transistorised ratemeter (not shown) where the count rate may be displayed linearly and logrithmically. To prevent splashed liquid from reacting the collimating tube a replaceable polythene window 28 mounted on a rotatable turntable 30 is interposed between the tube 27 and the top of the vessel 2. Two other windows on the turntable, consisting of a second polythene window used for comparison with the first polythene window to see if it has been contaminated, and a standard gamma source respectively, may be brought into position between the tube 27 and the vessel 2 by rotation of the turntable 30 by air operated rams in a housing 33. A set of interchangeable collimator tubes 27 of different diameters may be provided for varying gamma activities.
Patent GB-1038860-A (GB)
Title: Flotation collectors comprising alkylamines
IPC: B03D1/01
Filed: 1965-06-10
Abstract: A flotation collector comprises an alkylamine and from 0.5 to 2% by weight of an emulsifier being a quaternary ammonium salt of the formula R1R2R3R4N-X, wherein X is a halogen atom and the four radicals R1R2R3R4 are alkyl radicals two or more of which may be the same with at least one of the radicals having the same number of carbon atoms as an alkyl radical of the alkylamine.  If desired, the collector may contain a solvent such as an alcohol.  In an example for separating a calamine-bearing ore containing 7.2 to 7.3% zinc, the alkylamine used was an N-alkylpropylene-diamine of the formula R1-NH-(CH2)3-NH2, the monvalent radical R1 having 16 to 18 carbon atoms (tallow diamine), and the quarternary ammonium salt was dimethyl-dioctodecylammonium chloride in an amount of 1% by weight with respect to the alkylamine.