baber/WOPTO huggingface dataset:
Patent GB-324768-A (GB)
Title: Improvements in or relating to taps or cocks
IPC: F16K3/24
Filed: 1928-12-14
Abstract: 324,768. Bliss, J. Dec. 14, 1928. Piston valves. -In a tap for oil drums &c. of the kind comprising a hollow tubular body 10 with end inlet 12 and side outlet 16 and a spring-loaded piston valve 15, the piston is provided with a. pin 23 moving in a slot 20 in the body, the slot being offset at each end, as shown, to retain the piston positively in its open and closed positions. The pin 23 engages in an opening in an outer sleeve 11 which serves as the operating-means. Specification 283,697 is referred to.
Patent GB-809307-A (GB)
Title: Preformed flexible hose and method of making it
IPC: B21D9/15
Filed: 1956-12-04
Abstract: 809,307. Forming bends in polytetrafluorethylene tubes. RESISTOFLEX CORPORATION. Dec. 4, 1956 [Dec. 15, 1955], No. 37061/56. Class 87(2). [Also in Group XXVIII] A flexible hose comprising a polytetrafluoroethylene tube is provided with a bent section having a bend radius substantially less than the minimum normally obtainable, by filling the hose with a substance capable of preventing collapse of the tube wall during bending, forming the tube when cold to the desired bent shape, heating the tube to a temperature substantially below the gel point of the polytetrafluoroethylene for a time sufficient to cause the bent shape to be retained on cooling, and removing said substance. A hose 5 comprising a polytetrafluoroethylene tube 6 and a single wire braid cover 7, and containing a flexible solid or tubular mandrel 8 of polytetrafluoroethylene, silicone rubber, neoprene, or other synthetic rubber, or of flexible steel shafting, is bent through 180 degrees around a part of the periphery of a cylindrical block 12 secured to a plate 10 by a bolt 11. The hose is held against the block 12 by adjustable clamps 13 attached by screws 14 to the plate 10. The cylinder 12 and the clamps 13 may extend upwardly from the plate 10 for a sufficient distance to enable a number of sections of hose to be held. Bends of less than 180 degrees may be formed by using a lesser number of clamps 13 than those shown. After the clamping has been effected the assembly is placed in an oven and heated at a temperature of about 450‹F. for about ¢ hour. The hose is then cooled to room temperature and removed from the fixture, and the mandrel withdrawn. When complex bends are desired a mandrel is preferably not used, but compressed air or other gas, or a high boiling point oil is introduced into the tube which is equipped with end fittings and a pressure relief valve.
Patent GB-794484-A (GB)
Title: Steroid compounds and process
IPC: C07J5/00
Filed: 1955-12-29
Abstract: 2 - Lower alkyl - 9a  - fluoro and 9a  - chloro - 11b ,17a ,21 - trihydroxy - 4 - pregnene - 3,20 - dione and the corresponding 21 esters can be used orally, topically or parenterally.  Oral compositions may be in the form of tablets, capsules, powders or liquid suspensions.  Tablets may employ polyethylene glycol 4000 or 6000 as carrier and lactose and/or sucrose as diluent.  For topical use the compounds may be employed in ointments, lotions, jellies, creams and aqueous suspensions.  An ointment comprises wool fat, mineral oil, 2-methyl-9a -fluoro-11b ,17a  - dihydroxy - 21 - acetoxy - 4 - pregnene-3,20-dione and white petrolatum.  In addition there may be present neomycin sulphate, bacitracin, circulin, polymyxin B sulphate, gramicidin, streptomycin sulphate, dihydrostreptomycin sulphate, oxytetracycline, chlortetracycline, tetracycline, chloramphenicol and sulphonamides.  An injectable composition comprises (a) sodium citrate, sodium carboxymethyl-cellulose, polyvinylpyrrolidone, polysorbate, methyl paraben, propyl paraben, 2-methyl-9a -fluoro - 11b ,17a  - dihydroxy - 21 - acetoxy - 4 - pregnene-3,20-dione and water; (b) 2-methyl-9a  - fluoro - 11b ,17a ,21 - trihydroxy - 4 - pregnene - 3,20 - dione, polyethylene glycol 4000, sodium chloride, polysorbate 80, benzyl alcohol and water. Specifications 784,659, 794,482 and 794,485 are referred to.
Patent GB-1005199-A (GB)
Title: Improvements in or relating to means for holding tools or workpieces during machining of the workpieces
IPC: B23B13/12
Filed: 1962-10-02
Abstract: 1,005,199. Tool and work supports. A. FERRANTI. Oct. 2, 1962 [Oct. 16, 1961], No. 37326/62. Headings B3C and B3T. A device to effect radial support of axially movable tools or workpieces comprises a circular plate 20 which is secured to rim 16 of a hollow sleeve 14 by a flange 22. The plate has a concentric circular opening 32 and is provided with radial slots 26 to form deflectable segmental members. The sleeve 14 is mounted within bearings 12 to permit rotation of the sleeve with the tool or workpiece. The free ends of the segments are formed with heads 30 to facilitate the introduction of the tools or workpiece and the subsequent rolling of curved portion 38 of the head on the tool or workpiece surface. Irregularities in the workpiece surfaces are accommodated by the segments being deflected by different amounts whilst maintaining axial concentricity of the workpiece. The invention may be used in lathe headstocks and with boring bars.
Patent GB-1021459-A (GB)
Title: Improvements in or relating to pneumatic spring systems for periodically working engine parts
IPC: F01L1/46
Filed: 1963-09-23
Abstract: 1,021,459. Pneumatic springs. GOTAVERKEN A.B. Sept. 23, 1963 [Sept. 24, 1962], No. 37366/63. Heading F2S. [Also in Division F1] A pneumatic spring system has pistons 5 working in bushings 7 fitted in the cover of a large diameter cylinder 4, common to all pistons, which is connected to a large air receptacle 10 to maintain a substantially constant pressure in the system during operation. Pressurized air is supplied from 13 through a reduction valve 14 to receptacle 10 and thence via distributer 15 to cylinder 4. Five or six pistons 5 act through disc 6 on a yoke 1 of an I.C. engine exhaust valve. Pistons 5 are dip-lubricated in oil reservoir 9. One or more springs may be connected to distributer 15 and may co-operate directly with a valve stem or with a valve push rod.
Patent GB-1312519-A (GB)
Title: High-speed casting of thermoplastic web
IPC: B29C48/08
Filed: 1970-08-03
Abstract: 1312519 Quenching films E I DU PONT DE NEMOURS & CO 3 Aug 1970 [4 Aug 1969] 37389/70 Heading B5B In a process for quenching a thermoplastic polymeric film 14 which has been freshly extruded from a hopper 15 on to the moving surface 12 of a cooled, earthed quench drum 10 the molten film is passed in close proximity to, but out of contact with, at least one electrode 18 adapted to deposit sufficient electrostatic charge on the upper surface of the film, at the point where it first contacts the surface, to cause the film to adhere to the quenching surface, at the same time a thin film 16 of a heat conductive liquid, preferably water, is included between the film and the surface 12. Preferably the film is of polyethylene terephthalate which may be extruded at a rate of from 30 to 75 yards/min. The electrostatic pinning may be across the whole width or only at the edges of the film. The thin film of liquid 16 may be applied to the quench drum, which is earthed through earth 13 and cooled via pipe 11, by applicator 17 and removed from the cooled film by air knives 21 and 22.
Patent GB-854640-A (GB)
Title: Improvements in photoelectric devices, particularly secondary electron multipliers
Inventor: SCHMIDT LOTHAR
IPC: H01J43/08
Filed: 1956-12-06
Abstract: 854,640. Photo-electric devices. ZIESS JENA, C. VEB. Dec. 6, 1956, No. 37395/56. Class 39(1). In an arrangement for reducing the darkcurrent effect in photo-multipliers in which only a partial surface D, Fig. 1, of the cathode is exposed, at least one electrode 2, extending normal to the cathode, is provided forming part of a deflection system for deflecting the thermal electron current from the unexposed surface of the cathode to be intercepted by an apertured electrode 3 or another electrode, whilst the electrons emanating from the exposed cathode surface are directed through the aperture in electrode 3 to the multiplier system. The cylindrical deflecting electrode 2 shown may be replaced by four plane or curved electrodes arranged symmetrically about the axis of the electron beam, and connected to different potentials so that electrons from a rectangular exposed surface D may be caused to pass through a square aperture in electrode 3. In an alternative arrangement, a part-cylindrical cathode 14, Fig. 8, is illuminated through a transparent electrode 12 or a plane deflecting electrode 15 is provided. The apertured electrode comprises two annular parts 3<SP>1</SP>, 3<SP>11</SP> The electrodes 2, 12, 14 may be in the form of coatings on the glass envelope of the multiplier.
Patent GB-1105715-A (GB)
Title: Ship stabilizer
IPC: B63B39/03
Filed: 1966-08-22
Abstract: 1,105,715. Stabilizing ships. JOHN J. McMULLEN ASSOCIATES Inc. 22 Aug., 1966 [24 Aug., 1965], No. 37536/66. Heading B7M. A stabilizing container or tank for a ship comprises a pair of wing tanks 30, each positioned beneath the deck 16 and at opposite sides of the hull, two sloping girder plates 22 mounted across the hull to provide structural support for the deck 16 and extending between the wing tanks 30 to provide a connecting channel between them. Narrow plate 24 mounted on top of corrugated bulkhead 14 is the base of the channel between the wing tanks, each of which has a sloping bottom plate 34 which in the portion where it crosses the channel between the wing tanks serves as a sloping restriction plate 42 for the liquid partially filling the stabilizing container or tank. Openings 44 are provided in restriction plate 42 which terminates in upper vertical leg 46 in which openings 48 are provided to reduce weight and to allow free passage of air.
Patent GB-1449975-A (GB)
Title: Production of grain-oriented electrical steel sheets
IPC: H01F1/147
Filed: 1974-08-28
Abstract: 1449975 Annealing electrical steel sheet NIPPON STEEL CORP 28 Aug 1974 [28 Aug 1973] 37549/74 Headings C7A and C7N Grain oriented electrical steel sheet containing #4À5% Si is produced from hot-rolled material by cold-rolling, followed by decarburization annealing, after which the sheet is coated with a separator to which has been added not less than 0.5 parts of a metal nitride per 100 parts of separator, and annealed at not less than 1100C. Preferably the separator comprises one or more of CaO, MgO or Al 2 O 3  to which is added one or more of Cr, V or Ti nitrides. The steel may contain 0À01-0À05% Al, up to 4.5% Si and not more than 0À08%C, while the separator may additionally contain one or more of B, S or Se. Decarburization may be carried out in wet hydrogen at 850C and final annealing in hydrogen at 1150C.
Patent GB-1352531-A (GB)
Title: Apparatus for determining the promixity condition of an aircraft
Inventor: ASTENGO RALPH A
IPC: G01P3/62
Filed: 1971-08-11
Abstract: 1352531 Radar SUNSTRAND DATA CONTROL Inc 11 Aug 1971 [11 Aug 1970] 37644/71 Heading H4D In an aircraft system utilizing altitude and altitude rate signals to afford an alarm if collision with the ground is likely, irregularities of ground surface may yield false alarms; according to the invention the false alarms are reduced by limiting the amplitude of the altitude rate signal. In an embodiment the altitude rate signal hÀ R  derived from a radio altimeter 40 is adjustably limited to hÀ RL  in a unit 43 according to whether the landing gear is up or down. A composite altitude rate signal hÀ c  is provided from signal hÀ RL  and a signal h' B  where h B  is barometric altitude. A computer 50 determines h T  = {(hÀ c )<SP>2</SP>/2ng}-{hÀ c T D }, where n is a "design pull-up factor", g is gravitational acceleration and T D  is the sum of pilot reaction time and ground clearance time factor. If (h T -h R ) is positive an audible warning is actuated. A circuit for limiter 43 and filter 45 is described, Fig. 6 (not shown).
Patent GB-1015151-A (GB)
Title: Apparatus for mixing two liquids in a controlled manner
Inventor: WIGHTMAN ERIC JEFFERY
IPC: G05D11/13
Filed: 1961-10-20
Abstract: 1,015,151. Mixing liquids in proportions. SPERRY GYROSCOPE CO. Ltd. Oct. 17, 1962 [Oct. 20, 1961], No. 37657/61. Heading B1C. [Also in Divisions Fl and G3] The composition of a flowing mixture of liquids, e.g. beer wort, is kept constant by controlling the addition of one, e.g. water, to the other by introducing it through an orifice 6 closable by an electromagnetic valve 7-10 in a Venturi 1-5 in response to deviations in a property, e.g. density, continuously detected at a position immediately following the mixing chamber. The valve is intermittently energized, control being effected by the ratio of open to closed time. Preferably, the valve is operated by a multi-vibrator producing square waves, adjustment being made by a variable resistor servo-operated by the error signal, with integral and differential terms added and subtracted respectively. Alternatively, the valve could be energized through cam operated switches. The heads of the two liquids are equal and the proportion of second liquid drawn in is independent of the flow velocity of the first. The density may be measured by the weight operated densitometer described in Specification 920,100.
Patent GB-1190317-A (GB)
Title: Process for the Treatment of Nitrocellulose Powder
IPC: C06B21/00
Filed: 1968-08-07
Abstract: 1,190,317. Propellants. NITROCHEMIE G.m.b.H. 7 Aug., 1968 [30 Jan., 1968], No. 37662/68. Heading C1D. Desensitizers are applied to nitrocellulose powder in two stages, an alcoholic solution of dibutyl phthalate being used in the first stage and an alcoholic solution of centralite in the second stage. In examples, nitrocellulose powder is mixed with lignum vitae balls and treated with an ethyl alcohol solution of dibutyl phthalate injected in four doses at intervals; the powder is air-dried or vacuum-dried and then treated with an alcoholic solution of Centralite I in two doses; after washing with water, the powder is air-dried.
Patent GB-1072515-A (GB)
Title: Method for preparing a magnetic recording element and coating mixture therefor
IPC: C09D5/23
Filed: 1964-09-15
Abstract: 1072515 Magnetic structures RADIO CORP OF AMERICA 15 Sept 1964 [18 Sept 1963] 37680/64 Index C3R 32 L4H L5X C6X C1 C5A L2X L3A L3B L6G T1 T2 L5A C5B2 C25 C12 C21 C13P C4 A magnetic recording medium comprising a coating of magnetic particles dispersed in a polyurethane binder is made by a process which includes the step of pretreating the magnetic particles with a diisocyanate compound so as to react with any reactive centres on the magnetic particles which centres might otherwise tend to lead to gelation.  The magnetic particles which may be iron, γ iron oxide, magnetic, zinc ferrous ferrite or chromium dioxide may have reactive centres caused by adsorbed water or other chemicals. They are preferably acicular with a size between 0À2 and 2À0 microns and a length-to-width ratio between 2 and 20. The diisocyanate compound may be a liquid, gas, or non-aqueous solution, suitable compounds being phenyl isocyanate, dodecyl isocyanate, tolylene diisocyanate, mphenylene diisocyanate, 4 - chloro - 1, 3 - phenylene diisocyanate, 4, 4<SP>1</SP> - biphenylene diisocyanate, 1, 5-naphtbalene diisocyanate, 1, 6-hexamethylene diisocyanate, 1,4 - cyclohexylene diisocyanate and 1, 5 - tetrahydronaphthalene diisocyanate. When the compound is a gas, treatment is carried out in a closed chamber in a saturated isocyanate atmosphere at 100-200C. for 1 hour. When the compound is a liquid the pretreatment comprises milling with the particles between 15 and 30C for 1-4 hours. After treatment the two components forming the polyurethane resin are added to a non-aqueous dispersion of the particles. The polyurethane resin components are an isocyanate-terminated prepolymer and a bifunctional compound having two hydrogen atoms. The prepolymer is prepared by reacting a molar excess of a diisocyanate (such as those disclosed above) with a polymeric compound having a M W. above 750 and two hydroxyl groups, such as polyalkyleneether glycols, polyalkylenearyleneether and thioether glycols, and linear dihydroxy-terminated polyesters. The bifunctional compound may be water, ethylene glycol, hexamethylene glycol, monoethanolamine and others. In preparing the coating mixture the pretreated magnetic particles are milled with the isocyanate terminated prepolymer for 1-10 hours at 15C.-30C. The bifunctional compound is added and milled at room temperature for 0À1-4 hours in a moisture-free atmosphere. The mixture is coated by transfer roll coating, gravure roll coating or doctor blading to a base of oriented polyethylene terephthalate, cellulose acetate, nylon, oriented P.V.C. or paper having a thickness between 0À25 and 5 mils. After coating the particles are magnetically oriented, and the coating is dried, and part-cured at 100-130C for 1-30 minutes. After reeling curing is completed at 40-120C. for 1 hour to several days.
Patent GB-869322-A (GB)
Title: Snubbers for crane booms
IPC: B66C23/92
Filed: 1959-11-06
Abstract: 869,322. Preventing the jibs of cranes falling. CHEESMAN, M. J. Nov. 6, 1959, No. 37707/59. Class 78 (4). [Also in Group XXXII] An hydraulic dashpot 1, Fig. 1, for damping sudden movements of the boom of a crane comprises a hollow piston 5 slidable in a cylinder 8 containing hydraulic fluid which is passed to and from the hollow piston reservoir through lightly loaded non-return valves which permit normal movements of the boom in combination with restricted orifices which provide damping during sudden movements. Overloading of the dashpot is prevented by a third and more heavily loaded, ball valve in combination with a large orifice. Additional resilience is provided by a coil spring in the cylinder 8 which operates towards the end of the stroke. Specification 921,801 is referred to.
Patent GB-945129-A (GB)
Title: Improvements in and relating to filler valves for gas-operated lighters
IPC: F23Q2/52
Filed: 1962-10-05
Abstract: 945,129. Gas lighter filling valves. R. HUCK. Oct. 5, 1962 [Oct. 7, 1961], No. 37734/62. Heading F4F. [Also in Division F2] A filling valve for a gas lighter comprises a spring loaded valve body 20 co-operating through an elastic sealing disc 24 with a valve seat 13, and a filler tube 15 separate from the body 20 and guided in the bore 14 of an annular valve seat body 9 which is sealed in the valve housing 4 by means of a sealing ring 10. The filler tube 15 has a lateral discharge orifice 15a and a sealing ring 17 for a changing bottle, disposed between an end section 18 and a flange 16 of the tube. The valve seat body 9 is secured against the sealing ring 10 by means of a screwed bush 6. The valve housing 4 which is soldered to the lighter fuel tank 3 incorporates a guide 21 for the valve body 20 and a spring 22. The valve sealing disc 24 may be replaced by an annular seal, the bore of which receives the end of the filler tube 15.
Patent GB-1513376-A (GB)
Title: Lockable hinge
IPC: E05D7/00
Filed: 1975-08-08
Abstract: 1513376 Lockable hinges G REITH 8 Aug 1975 [31 Aug 1974] 38145/74 Heading E2F A lockable hinge comprises inner and outer coaxial members which are capable of rotatable and axially slidable relative movement and which include a projection on one member engaging in a slot on the other; the slot being arranged so that in at least one portion it allows axially sliding movement but locks the members against relative rotation. Such a hinge is suitable for a furniture leg needing to be locked in and out of use. Fig. 1 shows one embodiment comprising inner I and outer 2 members with a projection 6 on member 1 extending through a slot 3 having two angularly and longitudinally offset portions 4, and 5 defining two positions in which the members can be locked. A pin can engage holes in both members to prevent axial movement in the locked positions. In the embodiment shown in Figs. 4, 5, 6 and 7 an inner member 11 provided with projections 13A, 13B, 13C is located in an outer member 12 provided with a slot 14 into which abutments (e.g. 15A, 21A) project to define two positions for each projection (Figs. 5, 7) in which the members are locked against angular movement as well as allowing such movement when the inner member has been moved axially from the positions (Fig. 6).
Patent GB-835970-A (GB)
Title: Improvements in or relating to power-operated braking apparatus for vehicles
Inventor: BALLARD DONALD HENRY
IPC: B60T13/24
Filed: 1957-12-09
Abstract: 835,970. Fluid pressure brakes. CLAYTON DEWANDRE CO. Ltd. Nov. 27, 1958 [Dec. 9, 1957], No. 38216/57. Class 103 (1). A power-operated braking apparatus for vehicles, consists of two independent systems operating separate sets of brakes, each system comprising a vacuum or compressed air reservoir 1, la feeding a vacuum or compressed air operated servo-. device 3, 3a, hydraulic means 6, 6a for transmitting movements of the movable member of the servo-device to the actuating means 8, 8a of the brakes, valve means 5, 5a controlling the servodevice and an hydraulic transmission through which movements of a foot pedal P are transmitted to valve means 5, 5a, each transmission including a master cylinder, the two master cylinders being included in a unit D for common actuation by pedal P. In the apparatus described, the servo - devices 3, 3a, Fig. 2 (not shown), are of the vacuum suspended type, the ends of each device being connected by a pipe 4, 4a through the valve 5, 5a, the two reservoirs 1, 1a being evacuated by a common exhauster E. The unit D, Fig. 3, comprises two pistons 20, 20a actuated by pedal P through roller 26, cap 35, compression spring 23, plunger 21, bridge 22 and plungers 27, 27a to displace fluid into conduits 19, 19a. If one system fails, the other remains operative. An alternative unit D, Fig. 4, comprises spaced coaxial pistons 28, 28a in a cylinder 29 having outlets 30, 31 to conduits 19, 19a, respectively. The pedal P actuates piston 28 through roller 26, cap 34, spring 35, plate 36 and plunger 37 to displace fluid through port 30, the piston 28a being moved hydraulically to displace fluid through port 31. A reservoir 40 arranged concentrically of the cylinder 29 supplies fluid to the master cylinders through ports 41, 41a, the reservoir being divided into two by radial ribs 42 for independent supplies. Should a failure occur in the system operated by piston 28, then the piston 28a will be moved mechanically through piston 28 and abutments 32, 32a; if the other system fails then piston 28a yields freely to a limit position.
Patent GB-1471557-A (GB)
Title: Photo-composing apparatus
IPC: B41B19/00
Filed: 1974-09-02
Abstract: 1471557 Photographic type composing apparatus SHAKEN CO Ltd 2 Sept 1974 [5 Sept 1973] 38269/74 Heading B6W A photographic type-composing apparatus wherein the images of characters on a manually adjustable matrix 43 are picked up by a television camera 45 and stored as electrical signals in a memory 46 is provided with a control circuit 52 which determines the character spacing of a line of stored characters to produce a justified line and then causes the stored characters to be displayed (one or more at a time) on a device 47, e.g. a cathode-ray tube for reproduction on a light sensitive film 49. The circuit 52 provides the required character spacing by controlling a film feed device 50. Alternatively the circuit may shift a movable lens system. A shutter 42 or a flash lamp may be provided to expose a selected character to the television camera 45. A monitor screen may be provided to display a stored line of characters so that errors may be corrected to justification adjustments made before printing.