baber/WOPTO huggingface dataset:
Patent GB-594681-A (GB)
Title: Improvements in or relating to the preparation of powders suitable for the manufacture of permanent magnets
IPC: B22F9/22
Filed: 1945-04-11
Abstract: 594,681. Dust cores. SOC. D'ELECTROCHIMIE, D'ELECTRO-METALLURGIE, ET DES ACIERIES ELECTRIQUES D'UGINE. April 11, 1945, No. 9076. Convention date, July 24, 1944. [Class 38 (ii)] In making iron powder from which permanent magnets having high coercive force and retentivity can be formed by pressure without sintering, crystals, obtained by the crystallization of a mixed solution of an iron compound, decomposable into iron or a reducible compound of iron by heat at a temperature lower than 500‹ C., and of an oxygenated salt of a metal having a formation heat higher than that of iron, are decomposed by heat in a neutral or reducing atmosphere and if necessary reduced by a reducing gas. The iron compound may be the formate, oxalate or acetate, and the other compound may be a formate, oxalate or oxide of calcium, magnesium, aluminium or cadmium. The two compounds may be dissolved directly in the same solvent, or two previously prepared solutions, one of each compound may be mixed, or one compound may be dissolved in a solution of the other. Alternatively, one or both salts may be formed as the solution is prepared. In one example, iron waste and turnings are dissolved in formic acid at 100‹ C. and that quantity of lime is then added which results in a solution containing 10 per cent iron formate and 10 per cent of calcium formate. After cooling, the iron formate crystals containing 1 per cent of CaO so obtained are heated at 320‹ C. under hydrogen, the resulting powder being bedded immediately in acetone since it is pyrophoric, and subsequently compressed without a binder under 5 tons per sq. cm. Other examples made with slight differences in the process and containing MgO instead of lime are described.
Patent GB-490775-A (GB)
Title: Purification of coal gas or other fuel gas from sulphur compounds
IPC: C10K1/34
Filed: 1937-03-31
Abstract: 490,775. Gas purifying materials. MAXTED, E. B. March 31, 1937, No. 9107. [Class 55 (ii)] In the removal of organic sulphur compounds from coal or similar gas, the sulphur compounds are transformed to hydrogen sulphide by passing the gas over a catalyst comprising a metallic thiomolybdate at an elevated temperature, the hydrogen sulphide being then absorbed if desired, such as by hydrated iron oxide. A temperature range of 300-600‹ C., preferably 450-500‹ C., may be used and catalysts specified comprise thiomolybdates of cobalt, iron and nickel. The catalyst may be supported on a refractory material such as plu-nice or bauxite, or may be incorporated with a carrier such as kieselguhr.
Patent GB-1135314-A (GB)
Title: Process for stabilizing halogenated hydrocarbons particularly trichloroethylene and tetrachloroethylene against decomposition
IPC: C07C17/42
Filed: 1966-03-02
Abstract: 1,135,314. Stabilized halogenated hydrocarbons. SOC. EDISON. 2 March, 1966 [12 March, 1965], No. 9112/66. Heading C5D. Halogenated aliphatic hydrocarbons are stabilized by adding . stabilizing quantity of furfural dialkylhydrazone alone or in combination with a suitable epoxy compound or a suitable phenol. Epoxy compounds mentioned are butylene oxide, propylene oxide, glycidol, and amylene oxide, and phenols specified are thymol, phenol, nitrophenol, eugenol, isopropylp - hydroxy - anisole, p - tert. amylphenol or hydroquinone monomethylether.
Patent GB-950982-A (GB)
Title: Devices in ultracentrifuges for detecting movements of the rotor
IPC: B04B9/12
Filed: 1961-03-13
Abstract: 950,982. Measuring electrically. REACTOR CENTRUM NEDERLAND. March 13,1961 [March 17, 1960], No. 9129/61. Heading G1N. A centrifuge whose rotor 2 (Fig. 1) is driven by a motor 5, 6 and maintained vertical by cooperating magnets 9, 10 (Fig. 2), has a coil 16 in a magnetic, preferably ferrite, core 17 located on the outside of the casing 1 so that normally existing irregularities in the fields of magnets 9, 10 induce an alternating voltage in coil 16, which is amplified at 18 and indicates at 19 the speed of rotation or the extent of the wobble. By using two coils displaced by 90 degrees round the casing 1, the rest position of the centrifuge rotor can be determined from their inductances.
Patent GB-709103-A (GB)
Title: Improvements in or relating to gas-filled electric discharge tubes
Inventor: TOSSWILL CHRISTOPHER HALY
IPC: H01J17/30
Filed: 1950-04-13
Abstract: 709,103. Cold-cathode tubes. MULLARD RADIO VALVE CO., Ltd. April 9, 1951 [April 13, 1950], No. 9144/50. Class 39(1) In a cold cathode gasfilled trigger tube comprising a cathode 13 in the form of a rectangular plate or alternatively a rod, a trigger 14 in the form of a wire bent into the shape of a stirrup, and a rod anode 15, the anode is surrounded by an auxiliary electrode 16 in the form of a metal sleeve provided with an external electrical connection, and a priming discharge is produced between the sleeve and the anode. The sleeve is so disposed in relation to the cathode as to lengthen the path of the main discharge. The tube comprises. nine pins sealed through a glass base 1 and each surrounded by a glass bead 11. The cathode 13 is supported on three of the pins and the trigger 14 is supported on two of the pins which are provided with sputter shields in the form of a mica disc 19 resting on a glass bead 11 and held in position by an eyelet 20 having a sleeve portion which is clamped on the pin. The sputter shields protect the glass beads 11 surrounding. the trigger supporting pins from metallic deposits during the conventional operation of cleaning the electrodes, when a metallic film is deposited on the inner surface of the tube envelope. The auxiliary electrode 16 rests on the glass bead 11 surrounding the anode 15 and is supported from two of the pins by metal strips 17 and 18 integral with or securely attached to the electrode 16. The electrodes are preferably all made of molybdenum and the auxiliary electrode 16 together with the supporting strips 17 and 18 may be made from a blank cut from a sheet of the metal. The gas filling comprises 99 per cent helium and 1 per cent argon at a pressure of 35 mm. of mercury. A suitable circuit arrangement for use with the tube comprises a resistor connected between the cathode 13 and the auxiliary electrode 16 so that the anode-cathode voltage gives rise to the priming discharge between the anode 15 and the auxiliary electrode 16.
Patent GB-742924-A (GB)
Title: Improvements in or relating to tractors
IPC: B62D1/24
Filed: 1952-04-10
Abstract: 742,924. Taking up slack in cables. McDOWALL, A. June 14, 1954 [April 10, 1952], No. 9171/52. Class 78 (2). [Also in Group XXXI] A cable drum 57 mounted on a tractor (see Group XXXI) is adapted automatically to wind and unwind the cable required for supplying power to a reversible electric motor 20 according as the tractor moves forwards or backwards. The drum is driven by a laterallylocated idler wheel 44, which may be a castor wheel, the drive comprising a sprocket wheel 60, chain 62 and a ratchet and slipping clutch 61a. The drum is geared to overwind, the slipping clutch adjusting tension in the cable.
Patent GB-233118-A (GB)
Title: Improvements in wireless receiving apparatus
IPC: H01L29/00
Filed: 1924-04-11
Abstract: 233,118. Burton, E. A. April 11, 1924. Crystal detectors.-The usual metal supports for the contact members are replaced by supports of insulating material, and connection is made to these members by flexible wires. The supports e, f may be L-shaped pieces of ebonite &c. adjustably secured to an insulating base by bolts g in slots h. The crystal is secured in a metal cup 4 by a wire helix 8 screwed on the outside. The cup 4 is carried by a screw of metal or of insulating material, the wire 10 being coiled round the screw at 11 so as to make contact with the cup when the latter is screwed home. Alternatively a nut and washer may be used for connecting the wire to the cup. The other wire 2 is preferably soldered in a groove in the ball member.
Patent GB-1459426-A (GB)
Title: Inhalation devices
IPC: A61M15/00
Filed: 1973-02-26
Abstract: 1459426 Pocket inhalers ALLEN & HANBURYS Ltd 23 Jan 1974 [26 Feb 1973] 9246/ 73 Heading A5T An inhalation device comprises a cylindrical body I with a dispersion chamber 2 therein, a rotor 5 in said chamber being rotated on the passage of air therethrough, one or more inlet apertures 10 in the body, said apertures opening, around the periphery of the rotor, into said chamber, a mouthpiece 4 for inhaling air from said chamber and a capsule-retaining pocket 11 in the wall of body 1, arranged to receive a pierced capsule 13 and opening into said chamber, inhalation of air through the mouthpiece drawing powdered medicament from the capsule through the chamber and out through the mouthpiece, at the same time as rotating said rotor. A capsule-piercing pocket 15 containing a needle 14 is provided in said body. The rotor is mounted on a spindle 6 carried by a cross-bar 8 extending across said mouthpiece. The retaining pocket is arranged so that one end of the capsule located therein extends into the chamber, the rotor being positioned, in the instance of a cohesive powder with the capsule, so as to brush against the end of the capsule to cause vibration thereof. The rotor shown comprises two blades extending in opposite directions radially outwards from a spindle sleeve 7, one of said blades having a cut-away portion (17), Fig. 5, (not shown), although any number of blades set on any desired angle, and/or being curved may be used. The device, except for the needle and spindle, is made of plactics, preferably having a high resistance to the build-up of static electricity, the capsule being formed of hard gelatine.
Patent GB-673663-A (GB)
Title: Improvements relating to dynamo electric machines
Inventor: CALVERLEY JOHN EARNSHAW
IPC: H02K23/38
Filed: 1949-04-05
Abstract: 673,663. Winding layouts for dynamo-electric machines. ENGLISH ELECTRIC CO., Ltd. April 5, 1950 [April 5,1949],No.9300/49. Class 35. In a multiple or multiplex lap winding having short or long pitched coils, each coil is connected to a, damping coil which is long or short pitched by an equal and opposite amount to the corresponding coil of the main winding. The winding shown, having a pole-pitch of 3¢ slots, is wound with a pitch of three slots, i.e. short pitched by half a slot. The damping winding DW has a pitch equal to four slots, i.e. long pitched by half a slot, and is accommodated in shallow slots between the main slots. Equalizing connections (not shown) having a pitch of one pole-pair are provided for the main and damping windings. Machines having double, instead of duplex, windings are described in which the damping winding occupies separate slots as above or is situated in the open ends of the main slots. Skewed slots and resistive connections may be used.
Patent GB-558705-A (GB)
Title: Improvements in or relating to a combined pipe coupling and electric connecting device
IPC: F16L27/08
Filed: 1942-07-06
Abstract: 558,705. Pipe couplings. BRUNO PATENTS, Inc. July 6, 1942, Nos. 9354 and 9355. Convention dates Sept. 3, 1941, and Jan. 3, 1942. [Class 99 (i)] [Also in Group XXXVI] A swivelling coupling for the supply of a gas and electricity to a rotatable structure such as the turret of an aeroplane comprises a stationary tube 2 connected to an oxygen or other gas supply 4 and mounted on a panel 1, stationary electric contact rings 5 surrounding the tube and being each connected to a soldering lug 10 for connection to the supply cable. Within the tube 2 is rotatably mounted a tube 12 that carries an annular body 15 within which are mounted spring contacts 17 that press on the rings 5 and are each connected to a contact plug 16 forming part of a disconnectible coupling. The other part of the coupling comprises sockets 16a, carried by a body 20 mounted on a tube 23 which has a disconnectible joint 25 with the tube 12 and is enclosed by a housing 29 forming part of the rotatable structure. The coupling is locked by a screw ring 28 and the cable 22 and pipe 24 are clamped by a screw 48 in the flattened end of the housing. Where exceptional expansion has to be allowed for. the ends of the contacting parts of the tubes 2, 12 are coned together and a packing ring located in recesses in the ends of the tubes 2, 12 under the nut 13 so as to be pressed home by the gas pressure.
Patent GB-1092135-A (GB)
Title: Improvements in or relating to the treatment of metals
Inventor: HANSON CEDRIC CHARLES
IPC: C23C10/56
Filed: 1965-03-05
Abstract: A ferrous, e.g. stainless steel, article is heated at 850 to 1100 DEG C. for at least 6 hours in a mixture containing chromium or ferrochromium, aluminium, alumina and/or magnesia and an ammonium halide, e.g. ammonium difluoride, and then heated in air at 850 to 1000 DEG  C.
Patent GB-820906-A (GB)
Title: Improvements in or relating to mouldable thermoplastic material
Inventor: CHAUMETON PHILIBERT CAMILLE
IPC: C08J9/22
Filed: 1957-03-22
Abstract: Thermoplastic material, e.g. polystyrene, capable of being moulded to produce porous products, is formed by subjecting expanded pellets to pressure until their bulk density is between 5 and 20 lbs. per cubic foot, the pressure being insufficient to burst any substantial quantity of the pellets or of the intercellular walls, if any, within the pellets.  The expanded pellets are produced by impregnating discrete thermoplastic particles with a low boiling hydrocarbon and then heat treating to cause expansion.  The compressed pellets may be expanded in a mould by the technique described in Specification 807,237; it is preferable to expand them partially and age them in the air before the moulding operation.ALSO:Thermoplastic material e.g. polystyrene, capable of being moulded to produce porous products, is formed by subjecting expanded pellets to pressure until their bulk density is between 5 and 20 lbs. per cubic foot, the pressure being insufficient to burst any substantial quantity of the pellets or of the inter cellular walls, if any, within the pellets. The expanded pellets are produced by impregnating discrete thermoplastic particles with a low boiling hydrocarbon and then heat treating to cause expansion.  The compressed pellets may be expanded in a mould by the technique described in Specification 807,237; it is preferable to expand them partially and age them in the air before the moulding operation.
Patent GB-116385-A (GB)
Title: Improvements relating to the Measurement of (1) the Velocity of a Fluid and (2) the Velocity of a Body through a Fluid.
Inventor: WILLIAMS ILLTYD
IPC: G01P5/10
Filed: 1917-07-04
Abstract: 116,385. Williams, I. July 4, 1917. Anemometers and air-current indicators. - In order to measure the velocity of a fluid or the velocity of a body such as an airship, aeroplane, or ship through a fluid, wires B disposed across a tube A and connected up in series are heated by an electric current, and platinum wires D, E fused into the tube are connected to one or more thermocouples. The heating current may be kept constant and the velocity measured by the varying effect on the thermo-couples, or a constant difference of temperature may be maintained between D and E by varying the heating current, the velocity then being determined by measuring the variations.
Patent GB-610132-A (GB)
Title: Improvements in or relating to method and apparatus for extruding
IPC: B29C48/06
Filed: 1946-03-28
Abstract: A die while extruding plastic material is subject to vibration to accelerate the flow.  The vibrator may be electrical, electromagnetic or fluid-pressure and is mounted on the side of the die and the rate and amplitude of the vibrations is adjustable.  A die is shown with two vibrators.  The die is connected to the extrusion cylinder by a small spigot in order to isolate the rest of the apparatus from the vibration.  Apparatus for extruding strips and tube is shown.
Patent GB-126286-A (GB)
Title: Improvements in or relating to Anti-slipping Tiles or Treads.
IPC: C04B33/02
Filed: 1919-04-15
Abstract: 126,286. Norton Co., (Assignees of Beecher, M. F.). April 29, 1918, [Convention date]. Plastic compositions containing alumina, silicon, carbide &c., and clay &c.-Non-slipping tiles or treads of decorative appearance are composed of a hard, dense, vitrified, ceramic body having incorporated therein granular particles of a hardness of 9 or more, e.g. fused alumina or silicon carbide. The body may be composed of ball clay alone or with the addition of substances such as feldspar, talc, steatite, whiting, flint, bone-ash, or Cornwall stone. A suitable composition comprises 35 parts by weight of ball clay, 25 of feldspar, and 40 of flint, two parts of such composition being mixed with one part of alumina and a suitable amount of water to form a mass which may be cast or moulded. After drying, the tile is burned at a temperature of about 1300‹ C. for about 100 hours, after which it is cooled slowly for a similar time. The temperature of burning is so controlled as to vitrify without melting or softening the material and to obtain a dense, compact, non-porous mass. The tile may be coloured and is preferably made in the form of a thin flat plate. Specification 126,285 is referred to. Reference has been directed by the Comptroller to Specifications 4355/00 and 12796/02, [both in Class 22, Cements &c.].
Patent GB-1064442-A (GB)
Title: Tape applying device
IPC: B65H35/00
Filed: 1964-03-06
Abstract: 1,064,442. Tape dispensers. J. T. AULD and R. H. SAWIN. March 6, 1964, No. 9653/64. Heading A4G. [Also in Division B8] A gummed tape applying device has a hand grip 30, a final pressure applying roll 95, and shears 83, 84 the movable blade 84 of which cuts the tape T on the tape supply side of a tape moistening brush 86 and' is moved out of the cutting position by a handle 62 into the position shown wherein it is held by a releasable thumb latch 78. A tape roll 32 is supported on a shaft 46 and has a spring loaded brake shoe 42. The tape T passes under a guide roll 48 through an opening in a housing top plate 16 over rollers 52, between a roller 98 and a knurled tape feeding disc 75, past the stationary blade 83 of the shears, and the brush 86 to the underside of the pressure roll 95. The movable blade 84 is carried by arms 60 carried on the same shaft 58 as the rollers 52 and movable to the position shown in Fig. 4 by the handle 62 against coiled torsion springs in the rollers 52, this movement being limited by pins 64 in slots 65. This same movement also operates the tape feeding disc 75 by means of a cord 85 attached to one of the arms 60 and wound on a spool (80) Fig. 6 (not shown) on a shaft (67) to which the disc 75 is connected by a spring ratchet (70). On releasing the latch from a projection 87 the blade 84 moves to sever the tape and the ratchet spring (70) release the disc 75 from the shaft (67) so that the tape is not. wound back again. The brush 86 is arranged in a removable water storage container 88.
Patent GB-327281-A (GB)
Title: Improvements in apparatus for stopping trains independently of drivers
IPC: B61L3/02
Filed: 1929-03-26
Abstract: 327,281. Brooker, A. W. March 26, 1929. Track apparatus actuating signals on trains.- In automatic train control, an electro-mechanical device fitted to the cab of the engine indicates " danger " by the sounding of a syren and partial application of the brakes, and " clear " by the ringing of a bell. The " danger " signal is given as follows. As the engine rides past a ramp r, a shoe e<4> is swung about its pivot to exert a pull on the Bowden wire e<3> and flexible band e rotating the spring barrel a to cause a roller to ride out of a recess c and lift a lever f. This rotates the bellcrank lever p through the link p<1>, opening the pilot valve n. The lever f lifts the lever g through the projection f<2> and rod h to open the valve o to permit partial application of the brakes and to sound a siren. The lever g is held in this position by the spring catch g' until manually released by the thumb-push g<4>. The other parts return to normal position on passing the ramp. The clear " signal is given as follows. When the distant signal is at " clear " the ramp r is energized by the ground battery r<1> and the shoe e<4> energizes the solenoids i, j through the Bowden wire and a lead L. The armatures i<1>, j<1> are attracted causing a pawl k<1> on a disc k to engage a notch in the barrel a and release a blocking piece g<2> from behind the rod h. The turning of the barrel a therefore rotates the disc k to pull down the lever l and operate the bell m. The raising of the lever f does not result in the raising of the lever g as the rod h can now slide freely out of the path of the projection f<2>. The valve o therefore remains closed. The parts automatically resume their original positions as the ramp is passed.
Patent GB-184438-A (GB)
Title: New or improved ink feed or reservoir attachment for pen nibs
IPC: B43K1/01
Filed: 1922-04-04
Abstract: 184,438. Falcone, A., and Guerra, G. Aug. 9, 1921, [Convention date]. Reservoir nibs. - An inkfeeder or reservoir attachment for pen-nibs comprises a perforated blade-like part A formed of sheet material and adapted to be secured to the underside of the nib by folding over perforated lugs B. The blade is slightly curved to adapt it to the nib and the rear end C is made narrower than the main portion. The perforations f are made in the attachment to aid in the retention and to regulate the feed of the ink. Cut-away parts at s facilitate the attachment of the device to various shapes of nibs.
Patent GB-257853-A (GB)
Title: Improved food for animals and poultry and process for producing such food
IPC: A23K1/10
Filed: 1926-04-13
Abstract: 257,853. Albrektsson, N. K. A. April 13, 1926. Food for animals and poultry. - Fish or fish refuse is disintegrated to form a uniform gruel like mass which is then mixed with cooked potatoes and disintegrated straw in the proportions of twelve parts by weight fish to two of potatoes and one of straw. The cooked potatoes are mixed in hot condition with the fish and the straw then added. Water is added if necessary to bring its percentage to 75 by weight. The mixture is allowed to cool to about 40‹ C. and about one cubic centimeter of bad or blue milk is added for each kilogram of the mixture. The mixture is then fermented in a dark room or in covered containers at about 40‹ C. for forty eight hours. The mass is finally formed into cakes and preferably dried. It may be passed between heated cylinders or it may be subjected-after fermentation-to an electric current at about 110 volts. The prepared food may be mixed with the known foods. Yeast may replace the bad milk and minor quantities of flavouring substances such as bone dust or phosphates may be added.