baber/WOPTO huggingface dataset:
Patent GB-919976-A (GB)
Title: Improvements relating to fluid flow control valves
Inventor: BROWN HORACE WILLIAM
IPC: G05D7/01
Filed: 1959-09-16
Abstract: 919,976. Valves. EVERED & CO. Ltd. Dec. 16, 1960 [Sept. 16, 1959], No. 31509/59. Class 135. A mixer tap has one inlet duct 11 separated from the other 10 by a non-return valve 29 to avoid the possibility of hot water entering the cold water supply. The valve 29 may be of rubber or other resiliently deformable non- metallic material and has ribs 30 to guide it in a body 22 having a fixed seat 24 and an adjustable part-spherical seat 27. When the valve is displaced or deformed by the passage of cold water from the duct 11 a conical projection 32 co-operates with a bore 26 to keep the flow of cold water constant.
Patent GB-155237-A (GB)
Title: Improvements in electrical transformers
IPC: H01F27/38
Filed: 1920-11-08
Abstract: 155,237. Metropolitan - Vickers Elec- - trical Co., (Assignees of Peters, J. F.). Dec. 10, 1919, [Convention date]. Transformers.-In transformers in which the core member is supported in a framing, damping- means are provided for preventing the flow of leakage magnetic flux through the framing. In the shell-type transformer shown in Fig. 1, the damping-means comprise short-circuited turns 10 of highly-conducting material mounted on the girders 6 - - 9 of the framing. In the core-type transformer shown in Fig. 2, the framing comprises girders 6, 7, stiffening-members 14, and tie-rods 16 connected to members 8 at the top and bottom of the framing. Short-circuited turns 17, 18, 19 are provided on the girders, stiffening- members, and tie-rods.
Patent GB-429676-A (GB)
Title: Improvements in means for automatically regulating the diaphragm aperture in photographic apparatus
IPC: G03B7/085
Filed: 1934-01-23
Abstract: 429,676. Controlling exposures in photographic cameras and printing- apparatus. ROSS, G. A., 130, Dyke Road, Brighton, and ROSS, C. G., Flat B, 49, Jesmond Road, Hove, both in Sussex. Jan. 23, 1934, No. 31535/33. [Classes 97 (i) and 98 (i)] Means for controlling the diaphragm aperture in photographic and kinematograph cameras or printing-apparatus comprises a photo-electric cell, an aperture of variable area for admitting light to the cell, means controlled by the cell for varying this aperture automatically and simultaneously with the variation of the diaphragm of the camera or printing-apparatus, and means for independently adjusting the two apertures. In the form shown, the cell 4 is contained in a casing 7 having a slit 5 in front of which is mounted a disc 9 having a tapering aperture 14. The disc is rotated by a motor controlled by the cell and is provided with a toothed segment meshing with a pinion 11, in mesh with a toothed segment 12 operating the diaphragm 3 of the camera or printing apparatus. The pinion 11 is movable axially out of mesh with the segments so that these may be adjusted independently. The diaphragm 3 may be formed of coloured transparent material so as to vary the amount of light of a particular colour. The disc 9 may be replaced by an iris diaphragm.
Patent GB-428468-A (GB)
Title: Improvements in the manufacture and production of dyestuffs
IPC: C09B11/26
Filed: 1933-11-13
Abstract: Dyestuffs are obtained by condensing by means of phosphorus oxychloride, a b -b <1>-di-indolylketone with a secondary or tertiary aromatic amine or with an indole substituted in the a  position by a hydrocarbon radicle.  The resulting dyestuffs may be used for colouring cellulose ester lacquers and when sulphonated are suitable for dyeing wool and silk.  The secondary and tertiary amines may contain alkyl, alkoxy, aryl, aralkyl and acyl groups. In examples: (1) 4-methyl-3<1>-ethoxydiphenylamine is condensed in toluene with b : b <1>-di(N - methyl - a  - phenylindolyl)ketone or b  : b <1>-di-(a -methylindolyl)ketone; (2) a keto-chloride compound is first formed from b  : b <1>-di-(N-methyl-a -phenylindolyl) ketone, by treatment in tetrachlorethane with phosphorus oxychloride, and 4<1>-3<1>-diethoxy- (or 4-ethoxy) diphenylamine condensed therewith; the resulting basic dyestuff on sulphonation gives a disulphonic acid which dyes wool and silk blue shades; (3) b  : b <1>-di-(N-methyl-a -phenylindolyl) ketone is condensed with N-methyl-a -phenylindole and sulphonated to give a trisulphonic acid.  b  : b <1>-Di-indolylketones may be obtained by reacting two molecular proportions of a  or N and a  substituted indoles with one molecular proportion of phosgene in a solvent.
Patent GB-1304065-A (GB)
IPC: G03G15/06
Filed: 1970-06-30
Abstract: 1304065 Electro-photography XEROX CORP 30 June 1970 [3 July 1969] 31608/70 Heading G2H A two component developer flows through a developement zone between a xerographic drum, bearing a positive charge image and rotating in the direction opposite to flow, and a multi-component developement electrode of decreasing potential in the direction of flow. The main component 85 of the electrode has a potential between that of the image and non-image areas (e.g. 50-150 volts greater than the non-image areas) and a notch 85 having an included angle of 120 degrees andpositioned 10-20 degreesbelow the horizontal centre line of the drum, which redirects the developer on to the surface of the drum.
Patent GB-322602-A (GB)
Title: Suspension means for seats, back rests, cushions, saddles and the like
IPC: B60N2/70
Filed: 1928-10-31
Abstract: 322,602. Haarnagell, G. Oct. 31, 1928. Spring surfaces. - Vehicle seats, back rests, &c. comprise thin flexible blade springs a, Fig. 1, of loop form adapted to support a cover of leather, imitation leather, skin, felt, &c. and each secured to a stronger blade spring b mounted on a support d rigid with the frame of the vehicle, the deflection of the springs under shocks being free, but the rebound being damped. As shown, the spring a is secured to the free end of the spring b by a bent spring element a<1>, and the damping- means consists of two coil springs c, one on each side of the spring b and normally tangential to it, so as to assist the downward deflection (indicated by dotted lines) of the blade springs under shock, and to damp the return movement. In a modification, the damping is effected by additional blade springs. Thus, in the form shown in Fig. 14, comprising a flexible blade spring a and a strong blade spring u, the latter is connected by spring members v, v<1> to a blade spring y, with which may or may not be combined a blade spring w so arranged as to prevent the spring y from coming into contact with the central part of the spring u. A number of the spring systems described may be arranged approximately parallel, or in radiating relationship. Each spring system is connected at the front by a blade g and an adjustable clamp h to a pivotal clip f or other fastening device, these clips and similar clips f at the rear ends of the springs a being connected together by a wire i, or a beaded edging &c., bent to the contour of the seat.
Patent GB-748388-A (GB)
Title: Improvements in or relating to vanes for vane-type fluid pumps or motors and to pumps or motors incorporating these
IPC: F01C21/08
Filed: 1953-11-16
Abstract: 748,388. Rotary engines and pumps. CROUCHER, A. H. Oct. 21, 1954 [Nov. 16, 1953], No. 31683/53. Class 110(2) Each vane of a rotary pump or motor of the outwardly sliding radial vane type comprises a mild steel blade 1 having a tongue 1b and an oil resistant synthetic rubber strip 2 bonded in V- shaped slot la. Opposed' vanes are spaced apart by pins 4 having a rubber plug disposed therebetween and the end shaft of the rotor has a hand wheel mounted thereon (see Fig. 5, not shown). The inlet and outlet conduits 10 of the pump communicate with a reservoir 12 through bleed valves 11. The pump may be used in a remote control system in association with a motor of like construction. In a modification (Figs. 6 and 7, not shown), the blades project into an annular slot formed in the body 7.
Patent GB-1470470-A (GB)
Title: Photographic film editing device
IPC: G03B27/46
Filed: 1975-07-29
Abstract: 1470470 Copying micro-fiches: collimating devices HAH SPENCE-BATE 29 July 1975 [29 July 1974 21 Nov 1974] 31744/75 Headings G2A and G2J In copying from a first micro-fiche on to a second micro-fiche, the image on the first fiche is aligned with the frame area on the second fiche on which the copy is to be printed. As shown, a group of four fiches is carried on a support 21, which can be moved in X and Y directions by actuators 8 and 9 driven by respective motors 8a, 9a controlled by a programming means 23. This is adjusted until the particular frame which is required to be copied, e.g. frame 20 on fiche 22, is brought into the light beam 1. This first passes through a collimating block 6, shown in more detail in Fig. 2, which consists of a translucent block 25, its lower part having light shields 27, 28 in a honeycomb arrangement. This ensures that the light passing through to the fiche is substantially at right angles thereto. Two such blocks, 6 and 7, corrresponding to different image sizes, are carried on a turret 5. The second fiche, on which a copy is to be made, is carried by a suction platen 14, and is similarly moved in X and Y directions by actuators 11, 10 controlled by programming means. Thus the required frame area on which frame 20 is to be copied is also brought into the light beam 1. When the two fiches are in position they are pressed together and on to block 6, and the exposure made.
Patent GB-1262650-A (GB)
Title: Improvements in or relating to wheels
Inventor: MEIKLEJOHN IAN GOODHALL
IPC: B60B1/04
Filed: 1968-07-03
Abstract: 1,262,650. Wire wheels. I. G. MEIKLEJOHN & CO. Ltd. 3 July, 1969 [3 July, 1968], No 31815/68. Heading B7C. A method of manufacturing a wire-spoked wheel having a rim 2, Fig. 3, a hub tube 4 and sleeving 8 within the hub tube, and a plurality of spokes 5b anchored to the rim, comprises passing the inner ends of the spokes through apertures 7 in the hub tube, and bending and clamping them inwards against the hub tube by forcing the sleeving 8 into the hub tube. The spokes may be single limbed, e.g. spoke 15, Fig. 1, or double limbed, e.g. spokes 5a. Where the two limbs pass through adjacent holes in the rim they are anchored to opposite ends of the hub tube, and may cross, e.g. at 5e, or not. The two limbs may pass through alternate holes in the rim, to be both anchored to the same end of the hub tube. In one embodiment, Fig. 2 (not shown), a bush (9) of nylon or polytetrafluoroethylene is fitted inside the sleeve 8 to carry an axle or stub shaft (10). In a second embodiment, Fig. 3, ball race cups 11 are fitted to the sleeves 8. Cones 13 retaining ball bearings 12 are secured by the expanded ends of a split sleeve 14, which carries a stub shaft or axle. A hub cap 17, Fig. 3, is clipped on to the spokes by engaging each spoke in a respective recess 20, Fig. 5, in the cap.
Patent GB-1286241-A (GB)
Title: Finned tube preparation
Inventor: HOCKLY DEREK KENNETH ASHTON
IPC: F28F1/36
Filed: 1968-07-04
Abstract: 1286241 Finned heat exchange tubes BRITISH STEEL CORP 30 Sept 1969 [4 July 1968] 32040/68 Heading F4S A finned heat exchange tube is provided with a helical, radially-extending fin 2 having a flange 5 which extends at right angles to the fin. The fin is wound around and in contact with the tube and is retained thereon by a rectangular section wire 4 wound under tension to overlie the fin flanges 5 and welded at each end thereof to the tube wall. The wire may also be secured intermediate its ends to the tube by welding through the fin flange 5, or by casting a block of low melting point alloy over the fin. The fin is slit at intervals along its length so that it is divided into a number of separate radially extending fin members.
Patent GB-972112-A (GB)
Title: Lining structure for flange
IPC: F16L23/12
Filed: 1963-08-14
Abstract: 972,112. Pipe flanges. KOBE STEEL WORKS Ltd. Aug. 14, 1963 [Aug. 15, 1962 (2)], No. 32090/63. Heading F2G. A lining disc 5, of corrosion resistant metal, on the end surface of a flange 2 is secured in place on the flange by collapsing inwardly a portion of the flange surface adjacent and on to the periphery of the disc. As shown, the disc is located in a recess 4 and the peripheral edge 7 of the recess is urged against the conical surface 6 of the disc; a lining 10 is welded to the disc at 11. In a modification; a raised annular portion on the flange surface is urged on to the periphery of the disc.
Patent GB-221400-A (GB)
Title: Improvements in and relating to looms
IPC: D03D45/20
Filed: 1923-12-21
Abstract: 221,400. Clayton, W. F. Dec. 21, 1923. Weft-replenishing mechanism. - When a thin place occurs in the fabric, a feeling-finger 5, made resilient by means of a spring 6 adjusted by a collar 7 on an arm 4, falls and a part 9 adjustably connected to the arm 4 by means of a connection 10 rocks about a loop 13 and an adjustable sleeve 14. A loop 15 then moves a lever 16, Figs. 1 and 3, pivoted on an arm 38, into the path of a part 62 on an arm 57 of the weft-hammer or " make-head," whereby the arm 38 is rocked and the starting rod 2 is turned to cause weft replenishment. The rod 2 adjustably carries, by means of specially-mounted collars, an arm 21 carrying an arm 18 on which a spring- controlled member 30 having a flat foot 33 for resting on the fabric is adjustably pivoted. A slotted part 19 of the arm 18 engages the arm 4 so as to raise tho thin place detector 5 from the fabric when the rod 2 is turned. The wefthammer has the usual part 17<a> for co-operating with the weft-fork to control weft-replenishment. When two weft-forks are used, one acts directly on the part 17<a>, whilst the other controls a member 65 also co-operating with the part 17<a>. The arm 38 encircles the starting rod 2 and co-operates in such a manner with a sleeve 41 on this rod that when the arm 38 is turned the rod 2 is actuated but when the rod 2 is turned, for example, by the ordinary weft-fork mechanism the arm 38 is not turned. Specifications 17181/06 and 9709/08 are referred to.
Patent GB-825803-A (GB)
Title: A novel amido-phosphate ester and acrylonitrile polymers flame-proofed therewith
IPC: C07F9/24
Filed: 1957-10-15
Abstract: The invention comprises 2 - cyanoethyl N,N,N1,N1-tetramethyldiamidophosphate which may be used in flameproofing acrylonitrile polymers and copolymers (see Group IV(a)).  It may be prepared by heating tetramethyldiamido monochlorophosphate with 2-cyanoethanol in the presence of triethylamine, e.g. at 75-85 DEG  C.ALSO:Polyacrylonitrile and acrylonitrile copolymers containing at least 70% by weight of acrylonitrile are rendered flame-proof by the incorporation of 2-cyanoethyl N,N,N1,N1-tetramethyldiamidophosphate.  The acrylonitrile polymer may be admixed with another polymeric material, e.g. one exhibiting an affinity for dyestuffs, in such proportions that the mixture contains at least 70% by weight of acrylonitrile units.  The molecular weight of the polymers is generally greater than 10,000, preferably greater than 25,000, e.g. 40,000 to 250,000. The amount of the phosphate is generally 2-20% by weight based on the polymer.  Shaped articles may be prepared by conventional wet or dry spinning processes of solutions of the polymer containing the phosphate.  Specified copolymers are those of acrylonitrile with vinyl acetate, vinyl and vinylidene chlorides, dimethyl maleate and fumarate, methyl and glycidyl acrylates and methacrylates, methacrylonitrile, styrene, vinyl, allyl and methallyl chloroacetates, vinyl pyridines, allyl and methallyl glycidyl ethers and allyl glycidyl phthalate.  Specified solvents for the acrylonitrile polymers are dimethyl formamide and acetamide, ethylene carbonate and cyanoacetamide.
Patent GB-1069876-A (GB)
Title: Moving picture cameras
Inventor: NIKITIN SERGEI INNOKENTJ
IPC: G03B19/18
Filed: 1963-08-14
Abstract: 1,069,876. Cine cameras. MOSKOVSKOYE KONSTRUKTORSROYE BUREAU KINOAPPARATURY. Nov. 16, 1964 [Aug. 14, 1963], No. 32159/63. Heading G2E. In a cine camera comprising means for synchronizing sound and pictures, noise is reduced by setting main drive shaft 3 at an oblique angle to the optical axis 10 to drive film sprocket 5, shaft 6 for the claw feed mechanism and shaft 7 by which mirror reflex disc shutter 9 is rotated. Shaft 3 is driven by motor 1, running at, say, 25 rev. /sec., through elastic coupling 2. A separate take-up drive for the film is provided by reversible motor (18) Fig. 2 (not shown) acting through pin and slot clutch (21), this motor pivoting about pin (20) on its arm (19) when reversed to engage a second clutch (27) for reverse film winding.
Patent GB-268730-A (GB)
Title: Improvements in making steel insensible to the action of hot gases and vapours
IPC: C21D1/18
Filed: 1926-12-20
Abstract: 268,730. Krupp Akt.-Ges., F. April 1, 1926, [Convention date]. Void [Published under Sect. 91 of the Acts]. Annealing.-Steel, or steel articles, particularly steel for steam boilers and other articles subject to hot gases and high pressures, are annealed, so that the, " grains " of the material, and theoxide particles lying between them, are refined to such an extent that the grain boundaries can no longer be detected,-for example in an etching test. The treatment may be effected on steels containing one-half to four per cent of nickel, one-half to two per cent of chromium, and one-tenth to fourtenths per cent of carbon, and also silicon, vanadium, and tungsten. The steel is heated first to about 900‹ C., and the desired properties are obtained after re-heating up to 600‹ to 650‹ C. Specification 143,554 is referred to.
Patent GB-1355678-A (GB)
Title: Sheet materials
IPC: C04B18/24
Filed: 1971-07-08
Abstract: 1355678 Making xylolithic panels J O Z VERTH 8 July 1971 [16 July 1970] 32177/71 Heading B5A [Also in Division C3] A self-supporting, screwable, xylolithic constructional sheet material having fire-retardant properties comprises a mixture hardened without compression containing calcined natural magnesite, calcined synthetic magnesite, finely particulate wood filler and an aqueous magnesium chloride of 10-15‹ BÚ, and having a weight ratio of MgO : MgCl 2  of 2 : 1-4 : 1 and a weight ratio of MgO : wood filler of 1 : 1-1: 1À5, the sheet material having a density not greater than 0À75 gm./cm.<SP>3</SP>. The calcined synthetic magnesite (MgO) is obtained by heating the hydroxide and/or chloride of magnesium occurring in sea water or brines. The sheet material preferably has a weight ratio of wood filler MgCl 2  of 2 : 1-6 : 1. The sheet material may be produced by mixing the finely particulate mixture of calcined natural and calcined synthetic magnesite with 2-2À7 times the volume of aqueous magnesium chloride solution of 10-15‹ BÚ and, in relation to the calcined magnesite 4À6-6À2 times the volume of wood, to form a plastic mass. This mass is left for 45-90 minutes and then shaped in a mould which mass is then dried both before and after removal from the mould. In a further embodiment 13 parts by volume of a mixture comprising 40-60% by weight of calcined natural magnesite and 60-40% by weight of calcined synthetic magnesite is mixed with 25-35 parts by volume of an aqueous magnesium chloride solution of 10-15‹ BÚ and then with 60-80 parts by volume sawdust and/or wood flour with a particle size up to 5 mm. The calcined magnesite is preferably first mixed with the major part of the magnesium chloride solution and then, after mixing in the wood filler, the consistency of the mass is adjusted by adding the remaining magnesium chloride solution. The plastic mass obtained is preferably extruded through a slot shaped nozzle as a flat strand into an upwardly open plate mould. A volume of inactive kieselguhr corresponding at the most to the volume of calcined magnesite may be added to the mixture of magnesite and magnesium chloride solution before adding the filler. In addition 0À1-0À5% by weight of a finely particulate dispersion of a polymer or copolymer containing vinyl acetate, vinyl propionate and/or vinyl alcohol groups may be added.
Patent GB-722781-A (GB)
Title: Improvements in or relating to pendent superheaters
IPC: F22B37/20
Filed: 1952-12-19
Abstract: 722,781. Steam superheaters. BABCOCK & WILCOX, Ltd. Dec. 19, 1952. [Dec. 22, 1951] No. 32230/52. Class 123 (3). A steam superheater comprises parallel groups of sinuous tubes 1, 2 which are located within a gas pass 14 leading from the combustion chamber 13 of a steam boiler to a downflow pass, not shown, and are supported therein by weld-uniting, through connecting pieces 6, 7, the upper bends of each to a steam-generating &c. roof tube 5 of pass 14. The roof tubes 5 are themselves supported from an upper framework, not shown, by links 9 terminating in plates 8 the lower edges of which are welded to said tubes. The tubes 1, 2 extend between inlet and outlet headers 3, 4, and welds may. be made at points 15, 16 in the tubes 5 and at 17, 18 in the tubes 1, 2 so that units, each consisting of a tube 5 and a group 1, 2 with welded connections 6, 7, 8, may be pre-fabricated.
Patent GB-602910-A (GB)
Title: Method of removing manganese from calcium
IPC: C22B26/20
Filed: 1945-11-30
Abstract: A method of removing manganese from calcium comprises incorporating aluminium in the calcium and distilling calcium from the mass.  The aluminium may be melted with the calcium to form an alloy.  They may be melted together under reduced pressure in the presence of argon, the pressure then being further reduced and the calcium distilled. In a preferred example the calcium and aluminium are melted in the presence of argon at 800 to 850 DEG C. and a pressure of about 5mm. of mercury, and the pressure is reduced to about 0.05mm. while distilling the calcium.  A preferred range for the amount of aluminium melted is 0.1 to 15 per cent, calcium containing not more than 0.002 per cent of manganese being produced on distillation.
Patent GB-387449-A (GB)
Title: Improvements in or relating to the tanning of hides and to the extraction of tanningliquors from myrobalans, bark and the like
IPC: C14B1/00
Filed: 1931-11-24
Abstract: 387,449. Making extracts. FORSTER, J., 380, Manchester Road, Warrington. Nov. 24, 1931, No. 32483. [Class 81 (i).] The brewing of tanning liquor is conducted in compartments of a rotary drum formed by axial partitions 12, the compartments being provided with inlets 13 and outlets 14 by which liquor is passed from one compartment to another in " countercurrent " to the tannincontaining material. In order to transfer liquor from one compartment to another the respective inlet and outlet are connected, for example by a flexible hose. Gauze screens 15 are provided to prevent solid materials from clogging the outlets. The tannincontaining substances are introduced through openings 16 in the end walls of the compartments, or where several coaxial sets of compartments are provided in an elongated drum the openings of the inner compartments are in the periphery of the drum.
Patent GB-137286-A (GB)
Title: Improvements in joints for artificial limbs
IPC: A61F2/58
Filed: 1919-12-29
Abstract: 137,286. Wildermuth, S. F. Oct. 14, 1918, [Convention date]. Limbs, artificial. - A joint with locking means more particularly adapted for use as an elbow-joint comprises a spindle a connected to a pair of upper arm bars o surrounded by a sleeve h connected to a pair of lower arm bars u and slotted at s to allow the movement of levers t connected to cages f mounted on the spindle a. Springs d tend to rotate the cages f and thereby raise rollers c which project through the slots in the cages up the guide-surfaces formed in pairs in the spindle a and arranged as shown in Figs. 2 and 3. When the rollers c are in their highest position, they are jammed between the guide-surface and the inside of the sleeve h, Depression of one or both of the levers t brings one or both sets of rollers to their lowest position and enables the joint to be moved to one or both sides. The joint can be locked and unlocked by reflex action of the stump in a manner similar to that described in Specification 132,533.