baber/WOPTO huggingface dataset:
Patent GB-178404-A (GB)
Title: An improved high-voltage switch plant
IPC: H02B1/00
Filed: 1921-08-24
Abstract: 178,404. Akt.-Ges. Brown, Boveri, et Cie. April 15, 1921, [Convention date]. Transformers.-High voltage electric switch gear units such as oil switches potential and current transformers &c. are contained within pits sunk in the earth, removable oil vessels being dispensed with, the oil containers being built up of masonry or as a concrete wall in a permanent non-removable manner and are oil proofed. The switch &c terminals f are mounted in metal plates e which cover the pits a at ground level. The pits @ may be divided by thin walls c and may be subdivided by thin metal sheets b. The outer walls d of the vessels a are made comparatively thick to withstand earth pressure. The interior of the pits a is coated with a decomposition-preventing material. The bottom of the pits is made slanting to facilitate draining off of the oil when the switch has to be removed for inspection or repair, the oil being pumped out through a pipe n having branches o leading to the lowest points in the vessels a, each branch o having a stop-valve m. Express pressure valves g are connected by pipes h to the highest point in each vessel a, the outlet valves g going to a common overflow pipe i open to the atmosphere.
Patent GB-721635-A (GB)
Title: Improvements in blends of resins and elastomers
IPC: C08L9/00
Filed: 1952-09-10
Abstract: An intimate mixture of 97 to 65 parts of a vinyl chloride polymer or copolymer with vinylidine chloride or vinyl acetate and 3 to 35 parts of a copolymer of a conjugated diolefin and an acrylic type ester, is prepared by heating to above the fusion temperature of the vinyl chloride component.  The diolefin may be butadiene or isoprene and the ester may be derived from acrylic, chloroacrylic or methacrylic acid and methanol, ethanol, propanol, isopropanol, butanol, amyl, hexyl or octyl alcohol and the corresponding ether- or chlorinated alcohols such as 3-ethoxypropanol and 2-chloroethanol.  The compositions may be prepared by mixing the solids, latices or solutions or one component in the solid state may be added to a latex of the other component.  A stabilizer such as hydrous tribasic lead sulphate is preferably included and optional ingredients are fillers, dyes and pigments.  The moulded compositions preferably have a flexural modulus of at least 150,000 p.s.i. and an impact strength of at least twice that of the vinyl chloride constituent alone. Applications include the making of rods and sheets and expanded articles.
Patent GB-584075-A (GB)
Title: Improvements relating to sliding doors for aircraft hangars or the like
IPC: E06B3/70
Filed: 1944-11-16
Abstract: 584,075. Sliding doors. EDUCATIONAL SUPPLY ASSOCIATION, Ltd., and LEONARD, J. W. Nov. 16, 1944, No. 22710. [Class 20 (iii)] A sliding door for an aircraft hangar or the like is composed of a rectangular metal framework of upright and horizontal members, whose depth perpendicular to the face of the door is greater than their dimensions in the plane of the door face, and door-height sheet metal panels of constant vee or arch-shaped horizontal crosssection, having rearwardly extending flanges along their vertical edges, for securing adjacent panels together, the panels being wholly contained within the bounds of the frame members. As shown, the framework is formed by horizontal channel section members 12, 13, with their channels downwardly disposed and vertical channel section members 10, 11, with their channels facing inwards towards one another. The central plates 16 are of V-section and are secured by their flanges 17 to intermediate T-section girders 18, the flanges of the girders 18 being secured to the horizontal members 12, 13 by the gusset plates 24. The end plates 20, 21 are formed with inclined portions 20a, 21a provided with end flanges 17, and flat portions 20b, 21b, having no flanges, but securable directly to the outer flanges of the vertical members 10, 11. A number of stringers 22 are secured to the inner flanges of the members 10, 11 and to the flanges of the girders 18. The flat outer wing 20b may house the door-operating machinery, comprising a motor-driven wheel running on a grooved track. Other compartments may be formed to house tools.
Patent GB-1457788-A (GB)
Title: Assembly for connecting a rotor to a helicopter
IPC: B64C27/00
Filed: 1974-05-21
Abstract: 1457788 Helicopters SOC NATIONALE INDUSTRIELLE AEROSPATIALE 21 May 1974 [8 June 1973] 22724/74 Heading B7W To reduce the transmission of vibrations, and particularly transverse vibrations, from the rotor and its drive mechanism into the fuselage of a helicopter, the rotor 4, drive shaft 3 and gearbox 2 are supported on the fuselage 1 by a nylon structure 9 connected by pivots 10 to the fuselage and by pivots 11 to the top of gearbox 2 and also by a flexible connection 12 which connects an arm 5a, carrying a mass 5, to the top of the fuselage. The system comprising rotor, drive shaft, gearbox and mass 5a, 5 has vibration excursions indicated by dotted lines 6a, 6b with cross-over nodes 7, 8 and the connections 11 and 12 are positioned substantially at the node positions. In other arrangements there are two or more masses positioned on the ends of arms mounted by resilient mounts at the base of the gearbox and in a further arrangement the engine (shown in Fig. 1 as M) is mounted below the gearbox to provide the lower mass.
Patent GB-717097-A (GB)
Title: Improvements in or relating to film materials
Inventor: CHALLIS KENNETH JOHN
IPC: G03C1/795
Filed: 1952-09-10
Abstract: 717,097. Photographic film material. ILFORD, Ltd. Aug. 10, 1953 [Sept 10, 1952], No. 22766/52. Addition to 684,365. Class 98(2) [Also in Group VIII] An element comprises (a) a supporting sheet of a copolymer of vinyl chloride with vinylidene chloride but no other polymerizable substance, a surface layer (b) of methyl methacrylate polymer which contains at most only a small proportion of free carboxyl groups, a layer (c) superimposed thereon of methyl methacrylate polymer which contains a greater proportion of free carboxyl groups, or (b) and (c) in admixture, a gelatin layer (d) and then a gelatino-silver halide emulsion layer. The element is the same as that of the parent Specification. except that in the latter the supporting sheet is a copolymer of vinyl chloride or vinylidene chloride or both with another polymerizable compound.
Patent GB-406020-A (GB)
Title: Improvements relating to electro-magnetic means for producing intermittent rotational motion
IPC: G04C13/11
Filed: 1932-08-13
Abstract: 406,020. Electric motors; clocks. WATSON, E. A., Zinal, Stoneleigh Road, Gibbet Hill, Coventry. Aug. 13, 1932, No. 22767. [Class 139.] An electromagnetic step - by - step motor, particularly adapted for operating a slave clock under the control of impulses from a master clock, comprises a rotatable disc armature b situated between the pole-pieces h of a permanent magnet g and the pole-pieces i of an electromagnet f intermittently energized from the master clock. The armature is so notched that normally the permanent magnet rotates it to a stable position of rest, shown. When the electromagnet is energized, the flux of the permanent magnet is diverted to the electromagnet across the air gap j, and part of the flux of magnet f now passes by way of pole pieces i to the armature which is rotated to another position of rest. When magnet f is de-energized the permanent magnet g gives a further movement to the armature. The spindle a is thus rotated step-by-step and transmits motion to the slave clock through gearing driven from a pinion l. The polepieces may be notched instead of or as well as the armature.
Patent GB-444293-A (GB)
Title: Improvements in and relating to x-ray apparatus
IPC: G21K1/04
Filed: 1935-08-14
Abstract: 444,293. R÷ntgen-ray apparatus. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London. Aug. 14, 1935, No. 22930. Convention date, Aug. 18, 1934. [Class 98 (i)] In R÷ntgen-ray apparatus comprising an adjustable shutter for controlling the area of a cross section of useful R÷ntgen-rays emanating from a R÷ntgen-ray tube and a fluoroscopic screen arranged to move toward and away from the shutter and in the path of the rays, means are provided effective in response to movement of the screen to vary the opening of the shutter so as to limit the area of the field of rays projected on the screen to an area not exceeding that of the screen, and independently operable means are provided for varying the opening of the shutter only within the limit of opening to which the shutter is adjusted in response to the movement of the screen. As shown, bars 18 carried by a sub-carriage moving transversely on a carriage movable longitudinally of a R÷ntgen-ray table carry a fluoroscopic screen standard 19 carrying a fluoroscopic screen 26. Pivoted to the standard 19 by a shaft 28a is a cylindrical section 27 of a hollow arm 28. The loose shaft 28a may be secured to section 27 by a releasable latch 29a. A socket on section 27 receives an arm 30 pivoted to which is the screen 26. The shutter mechanism comprises upper and lower housings 32, 33, the lower housing being open at the bottom and carrying two sets of guides 34, Fig. 7. The lower guides 34 co-operate with shutters 36 having lead bodies 38 and steel legs 37. The forked ends 42 of the lever 39 engage pins 43, 44, one on a shutter leg 37 and the other on a shutter body 38. The forked end 45 engages a pin 59 on a lever 58 on a shaft 56 having at the top an arm 64 connected to which is a cable 66 extending through standard 19 and arm 28 and attached to a lever on a solid shaft operated by the knob 16. A second pair of shutters 46 moving normally to the direction of movement of the shutters 36 are connected by a cross lever and are operated by the engagement with a pin on one shutter with a forked lever on the hollow shaft 57 provided with an arm 65 connected by a cable 67 to a lever on a hollow shaft operated by the knob 75. Secured to the housing 27 is an arm 80 pivoted to which is an arm 81 connected to a lever 82 pivoted at 83. A rod 84 is connected at one end to the lever 82, and at the other end to a stop member 85 and engaging either of the arms 58 attached to shafts 56, 57 to control the shutters. Secured to cam 29 is a cable 91 connected to a spring 90 anchored at 93. Cam 29 moves with housing 27 when the table is horizontal, but when the table is vertical is released by withdrawal of latch 29a. Segmental gears attached to the table are engaged by gearing rotatable by a hand wheel on the support to tilt the table. Tracks for a Bucky diaphragm are provided. The fluoroscopic R÷ntgen-ray tube is mounted below the table top and is movable with the standard 19. The radiographic and R÷ntgen-ray tube is carried above the table top by a standard movable on rails.
Patent GB-1224642-A (GB)
Title: Dehydroacetic acid
IPC: C07C51/00
Filed: 1968-05-15
Abstract: 1,224,642. Dehydroacetic acid. UNION CARBIDE CORP. 15 May, 1968 [22 May, 1967], No. 22967/68. Heading C2C. Dehydroacetic acid is prepared by the dimerization of diketene in the presence of an imidazole of general formula where R 1  is C 1-20  alkyl, alkoxyalkyl, hydroxyalkyl, haloalkyl free of α-halogen, acyloxyalkyl, alkynyl, alkenyl or aralkyl, R 2 , R 3  and R 4  are hydrogen or a radical R 1 . The reaction is preferably carried out in a solvent at a temperature in the range 0 to 50 C. The amount of catalyst employed is generally 0À03 to 5À0% by weight with respect to imidazole. A solvent mixture comprising a C 3-10  ketone and a hydrocarbon normally liquid at room temperature is preferably employed.
Patent GB-687738-A (GB)
Title: Improvements in and relating to the handling of freight aboard ships
IPC: B63B25/00
Filed: 1950-09-19
Abstract: 687,738. Loading and unloading ships. KUMMERMAN, H. Sept. 19, 1950. [Oct. 21, 1949] No. 22980/50. Class 78 (iv).  Freight handling means provided inside the hold of a ship comprises a mono rail or other rail track extending beneath the ceiling of the hold from the hatchway to points in the hold remote therefrom and a panel supported over the hatchway and movable thereon longitudinally of the hold, the panel having at least one mono rail or other rail track secured thereto and adapted to be selectively connected with the tracks provided on the ceiling of the hold, and freight carrying means adapted to travel over said tracks on the ceiling and panel. As shown in Fig. 1, the hold or between decks 1 comprising a hatchway 2 is provided with overhead tracks 3, 3<SP>1</SP>, 5, (i, 7, 8 for a freight-carrying traveller which co-operate with a track-section 13 on a panel 12 movable longitudinally of the ship over the hatchway 2. The track section 13 may be pivoted about a vertical axis on the panel 12. The overhead tracks such as 3, may be supported from the ship's structural beams 14, Fig. 3, by pivoted bars 15 so as to be swung from an operative to a retracted idle position. The tracks 3 or 3<SP>1</SP> may be supported by parallel links 19, 20, Fig. 4, so as to extend into the open hatchway to facilitate the loading of freight thereon and be retracted clear of the hatchway when not required. A part of the overhead tracks may be mounted so as to project through a doorway in the hull of the ship for connection with a track at the dockside and be retracted either by sliding movement or by a pivotal movement about a horizontal or vertical axis.
Patent GB-950956-A (GB)
Title: Improvements in or relating to hatch covers
IPC: B63B19/14
Filed: 1960-06-30
Abstract: 950,956. Door operating appliances. SWAN, HUNTER & WIGHAM RICHARDSON Ltd., and T. GUTHRIE. June 19, 1961 [June 30, 1960], No. 22996/60. Heading E2M. [Also in Division B7] A hatch for a ship comprises a coaming 2 and a cover 1 which is pivotally connected at 24 to a member 11 supported by a link mechanism 26, 30, 39 so arranged that the member can be rocked to displace the cover between a closed position in which the packing 6 engages the coaming and a released position spaced apart but overlying the coaming. The link mechanism is further arranged to permit a translational displacement of the cover 1 laterally of the coaming and a tilting movement of the cover, relatively to the member, to a position in which it is stowed vertically alongside the coaming (shown chain-dotted in Fig. 2). The effective length of the link member 30 can be varied by the screw mechanism 37 and in operation, from the closed position, the screw is rotated to shorten the member 30 to rock the member 11 and lift the cover off the coaming. The cover can then be pulled laterally by the handle 48 and rotated to the vertical position. Rotation of the screw 37 to increase the length of the member 30 lowers the cover on to the lugs 44. A reverse sequence of operations closes the hatch, the screw 37 being used to apply a downward pressure on the cover. Toggle bolts 45 are used to tighten the cover on the coaming. The cover may be a different shape from that shown and any number of toggles may be provided.
Patent GB-335005-A (GB)
Title: Improvements in or relating to the production of cleansing and polishing compositions
IPC: C11D9/06
Filed: 1929-07-26
Abstract: 335,005. Huyzer, W. J. A. July 26, 1929. Cleansing-compositions; metal polishes. - A cleaner, or a base for the production of cleaning and polishing compositions for metals, glass, or paintwork consists of natural magnesite ground to pass a mesh of 250 to the linear inch. The magnesite is preferably first ground to 100 linear mesh, and after heating e.g. to 900‹ C., to eliminate moisture, is further ground to 250 linear mesh. The powdered magnesite may be incorporated with other known cleaning powders, or mixed with binding materials to form a paste. In an example, petrol and olein are mixed with methylated spirit, and ammonia is added to form an emulsion. The powdered magnesite is then added together with a little thymol. Specification 4819/09 is referred to.
Patent GB-877024-A (GB)
Title: Improvements in or relating to steroid derivatives
IPC: C07J75/00
Filed: 1959-07-07
Abstract: The invention comprises 17a -acetyl-D 1,4-androstadiene - 11b ,17b  - diol-3-one and 17a -methyl - D 1,4 - D-homo-androstadiene-11b ,17b -diol-3,17(a)-dione, and the preparation thereof by submitting 17a -ethinyl-D 1,4-androstadiene-11b ,17b -diol-3-one to hydration in the presence of an organic mercury derivative as catalyst e.g. a mercury salt of p-toluenesulphonamide, to prepare the former compound, and heating this compound to form the D-homo compound.  The above hydration step may be carried out by heating to boiling in an alcoholic solution.  A detailed example is given. Specification 788,895 is referred to.
Patent GB-630400-A (GB)
Title: Improvements in mirror hinge fittings
IPC: A47G1/16
Filed: 1947-08-23
Abstract: 630,400. Hinges. TIMINGS, L. S. A. Aug. 23, 1947, No. 23378. [Class 65 (ii)] A mirror hinge fitting which comprises a mirror member 20, and a stationary member 11 connected by a friction joint to a member 19 formed as a channel for receiving the mirror member, is characterised in that the latter member is in the form of a sheet metal blank bent into channel section and provided with holes in the base of the channel for attachment screws 33, the side portions of the channel having their edges bent into a plane parallel to the edge of the mirror and the top of the two side edges being provided with outwardly projecting lugs 38 adapted to engage the top of the channel 19.
Patent GB-771792-A (GB)
Title: Improvements in or relating to washing compositions
Inventor: DVORKOVITZ VLADIMIR
Filed: 1952-01-23
Abstract: Compositions particularly suitable for washing glassware contain (1) 1-20 per cent of an aliphatic hydroxycarboxylic acid (or an alkali-metal salt or lactone thereof) in which the total of hydroxy and carboxylic groups is at least three, and (2) 99-80 per cent of an alkaline material, at least 90 per cent of which is alkali-metal hydroxide.  Specified hydroxycarboxylic acids are gluconic, citric tartaric, mucic, saccharic and malic acid.  When component (1) is gluconic acid or a gluconate, the compositions may also contain an aminocarboxylic acid (or an alkali-metal salt thereof) of the formula RN(CH2COOH)2, wherein R is -C(R1)(R2),COOH, 1-carboxycyclohexyl, -C2H4N(CH2COOH)2 or -R3N(CH2COOH)2, R1 and R2 being hydrogen or aliphatic or aromatic groups and R3 being a phenylene radical. Specified aminocarboxylic acids are ethylene diamine tetracetic acid and the reaction products of phenylene diamines with chloracetic acid.  Other optional constituents of the compositions are trisodium phosphate, sodium carbonate, zinc oxide, sodium lauryl sulphate, sodium dodecylbenzene sulphonate and sodium alkylnaphthalene sulphonates.  Examples and experimental results are given. Specification 669,281 is referred to.
Patent GB-694736-A (GB)
Title: Improvements in radar systems
Inventor: SHIPWAY ROGER PROWSE
IPC: G01S7/22
Filed: 1950-09-25
Abstract: 694,736. Radiolocation. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. Aug. 10, 1951 [Sept. 25, 1950], No. 23479/50. Class 40 (vii). The invention relates to radar systems having a P.P.I. display obtained by rotating the display tube deflecting coil system round the tube in synchronism with a rotating aerial system to give a rotating radial scan. To superimpose a marker line on this type of display where the information regarding the direction of the line is in the form of four direct potentials, two of which differ in opposite directions from a datum value by an amount proportional to the sine of the bearing angle to be indicated and the other two of which similarly differ from the same datum by an amount proportional to the cosine, the pairs of direct potentials are used to control the generation of brightening pulses for the display tube occurring when the trace in the tube is passing through the direction to be indicated. The pairs of direct potentials may be applied at 1, 2 and 3, 4 to control the magnitudes of oppositely phased square waves of a frequency of the order of 500 c/s. fed respectively to modulators M1 and M3 and M2 and M4. The putputs of modulators M1 and M2 are added at R and the square wave output of amplitude proportional to the difference between the amplitude of the inputs at 1 and 2 passed through filter F1 to give a wave of sinusoidal form applied to one stator winding S1 of a magslip or similar device P. The other stator coil S2 is similarly fed with a sinusoidal waveform proportional to the difference in the inputs at 3 and 4. The orthogonal rotor coils of the magslip A and B are rotated in synchronism with the aerial system and the deflection coil holder of the display tube CR. The output of rotor A is fed through amplifier A2 and detector D2 to trigger circuit TC applying an output pulse to the suppressor grid G2 of V5 at each null in the output of A; that is at the required bearing angle position and its reciprocal. To suppress the pulse at the reciprocal position so that only a pulse at the required position is fed to pulse generator PG, brightening the trace on the cathode-ray tube CR, the output of coil B is added to a constant level carrier related in phase to the output of M1 and the resultant signal applied to a phase-sensitive detector D1 whose output is applied to grid G1 of V5 and is sufficiently negative to prevent the passage of the pulse not required.
Patent GB-705584-A (GB)
Title: Improvements in or relating to devices for use in securing platform covers to shoes
Inventor: CHENEY LEONARD GEORGE
IPC: D05B15/06
Filed: 1950-09-26
Abstract: 705,584. Feeding sheets. BRITISH UNITED SHOE MACHINERY CO., Ltd., and CHENEY, L. G. Sept. 25, 1951 [Sept. 26, 1950], No. 23516/50. Class 100 (1). [Also in Group VII] Registering.-A guide for use in attaching a platform cover to a shoe comprises means acting on the platform cover at a position intermediate of its edges to urge it laterally as it is drawn through the guide, so that one edge is directed into a fixed relation with the shoe; a cover strip of varying width may thus be guided so that one edge is at a constant distance from the line of stitching. The means acting on the strip is preferably in the form of a slot arranged obliquely to the direction of movement of the strip, so that as the strip moves through the slot it tends to move laterally along the slot. The guide shown is for use in attaching a platform cover to the margin of a shoe upper and a sock lining or sole member in a machine of the kind described in Specification 361,336, [Group VII]. The cover strip is guided between parts 11a, 11b of a sheet metal member, the edge at which it is to be attached being located by a wall 13, and the side away from this edge lies outside a slot formed by the lower edge of the part 11b and the upper out-turned edge 21 of a member 23 slidable and spring-pressed upwardly on the lower part of the sheet metal member; the lips 19, 21 of the slot thus engage the strip between its edges frictionally, and by reason of their inclination a force is exerted on the strip to hold it up to the wall 13 as it passes through the guide from right to left. The right-hand end of the slot is flared slightly to facilitate the insertion of a new strip. The guide is carried by a member 12 hinged at 14 to a fixed bracket 18 and locked in operative position by a pin 20. According to the Provisional Specification the guide may be used in any operation in which one edge of a strip has to be correctly positioned.