baber/WOPTO huggingface dataset:
Patent GB-990191-A (GB)
Title: Process for treating magnetic material
Inventor: NEURATH PETER WOLFGANG
IPC: C21D1/04
Filed: 1962-05-14
Abstract: The cross-grain magnetic permeability of silicon steels containing at least 2% of silicon is improved by at least 3% by annealing the material at a temperature less than the Curie point while it is subjected to a magnetic field. The annealing temperature may be in the range 400-720  DEG C. in an example material containing 3.25% of silicon was given an anneal at 1175  DEG C. in hydrogen prior to the process of the invention.
Patent GB-491994-A (GB)
Title: Improvements in multi-electrode thermionic valves
IPC: H01J21/14
Filed: 1937-07-02
Abstract: 491,994. Thermionic valves. M-0 VALVE CO., Ltd., ALDOUS, W. H., and WARREN, G. W. July 2, 1937, Nos. 18444/37 and 13445/38. [Class 39 (i)] In a thermionic valve of the type comprising a linear cathode, an accelerating electrode, and a retarding control electrode outside the accelerator electrode means are provided for ensuring that electrons returned by the control electrode shall be deflected in a direction having a considerable component in a direction at right-angles to the direction of the cathode from the electrode. In the arrangement shown in Fig. 2 (18444/37), the anodes 5, 5<1> with retarding control grids 4, 4<1> screening grids 7, 7<1>, and suppressor grids 8, 8<1> are so arranged that a normal to the anode surface passes clear of the cathode 1 ; electrons returned by the grids 4, 4<1> are collected by the electrodes 6, 61. The cathode 1 is surrounded by a control grid 2 and accelerating grid 3, and screen electrodes 9, 9<1> form the electrons into beams directed to the anodes 5, 5<1>. Fig. 1 (13445/38) shows an arrangement in which the electrons are formed by the electrodes 3 into a flat beam on each side of which are arranged the accelerating grid 4, retarding control grid 5 and screen grid 6.
Patent GB-727059-A (GB)
Title: Improvements in the operation of dynamo-electric machines
Inventor: CHOUDHURY SHAFI-UDDIN AHMED
Filed: 1952-07-22
Abstract: 727,059. Control of several A.C. motors. BRITISH THOMSON-HOUSTON CO., Ltd. May 13, 1953 [July 22, 1952], No. 18501/52. Class 38 (3) Relates to a selsyn system in which the stator windings of the transmitter and at least one receiver are interconnected and 'supplied from a three-phase source. The rotor of the transmitter is driven by motor 5 whilst that of the receiver is coupled to load 6, the rotor windings 2, 4, being interconnected by lines 10, 11, 12. An external impedance network 16 is connected in parallel with the rotor windings, so that, by a suitable evaluation of the impedance, the current in the stator windings of the transmitter can be reduced. The network 16, which can be formed in delta, may be permanently connected in circuit or switched in with the motor 5.
Patent GB-457917-A (GB)
Title: Improvements in and relating to snap fasteners
IPC: F16B21/02
Filed: 1936-07-03
Abstract: 457,917. Snap fasteners. UNITEDCARR FASTENER CORPORATION, 31, Ames Street, Cambridge, Massachusetts, U.S.A. (Assignees of Jones, W. 1.; 57, Richfield Road, Arlington, Massachusetts, U.S.A.) July 3, 1936, No. 18505. Convention date, July 23, 1935. [Class 44] A snap fastener stud has a pair of oppositely bowed legs 6 joined at one end by a loop 7, and each leg has at the other end a foot 5 shaped and arranged to permit a twisting action of the legs as they are moved towards each other. The stud is made of sheet metal and is shown as used when securing an upholstery panel. The legs 6 start from intermediate points on the feet 5 and diverge to form a neck 9 and shoulders 8 ; they then converge to the loop 7. The feet 5 are shaped as shown with abutting portions 12. The panel has a covering 2 on backing 1 with an oval-hole staple 3 for the reception of the feet 5 of the stud. The loop 7 and legs 6 are pressed into the aperture 13 in the metal sheet 4 to which the upholstery is applied. As the legs pass through the aperture they are partially turned and the gapped ends of the feet 5 are brought together as shown in Fig. 5. The feet are restored to their normal position when the stud is pressed home. The fastener may enter the staple with a turning action as described in Specification 423,775.
Patent GB-673924-A (GB)
Title: Devices for the treatment of matter with high speed electrons
IPC: C08F2/54
Filed: 1947-07-14
Abstract: <PICT:0673924/III/1> <PICT:0673924/III/2> Apparatus for treating substances with high speed elections of the order of several million volts comprises an electron generating unit and an independent chamber containing the substance so constructed that the substance can be readily introduced into and removed from it.  The electrons leave the electron generating unit, and enter the matter containing chamber through electron permeable windows.  The window in the substance containing chamber may be curved outwards or inwards if the pressure within the chamber differs from atmospheric.  The substance may be in continuous movement through the chamber, and may pass through several treating zones.  The substance may be treated from opposite sides.  It may be introduced into the chamber through an atomizer.  Layers of the substance may be skimmed off and returned to the chamber for further treatment.  The chamber may be rotatable, or the electron generating unit may be moveable in one or more planes; it may be pivotally mounted so as to vary the angle of incidence of the electrons on the matter.  As shown, Fig. 15, a rotatable annular chamber 170 is associated with electron generating units 174, 175, 176, and 177.  The substance may be treated in the presence of gases such as nitrogen, hydrogen, chlorine or inert gases, and may be cooled or heated while under treatment.  Heating periods may be of the order of 10-5 to 10-6 or a second duration.  Specification 673,921 is referred to.  The Specification as open to inspection under Section 91, comprises also chambers with single openings instead of electron permeable windows.  The apparatus may be used for treating substances with neutrons for the production of radio-active materials.  In one embodiment, Fig. 18 (Cancelled), an electron generating unit 168 is slidably mounted within a rotatable chamber 165.  The substance under treatment forms a layer 167 on the inside of the chamber 165.  This subject-matter does not appear in the Specification as accepted.
Patent GB-409159-A (GB)
Title: Feed-off-arm sewing machine
IPC: D05B57/14
Filed: 1933-07-01
Abstract: 409,159. Sewing-machines. FAIRWEATHER, W. C., 65, Chancery Lane, London.- (Singer Manufacturing Co. ; Elizabeth, New Jersey, U.S.A.) July 1, 1933, No. 18708. [Class 112.] Lock-stitch machines. In a feed-off-arm machine having a pair of needles arranged abreast cooperating with a pair of verticalaxis rotary hooks, and a pair of bobbin-cases within the hooks, a pair of bobbin-case openers is arranged side-by-side within the feed-arm and adapted to engage the bobbin-cases at their sides remote from the free end of the feed - arm. The needle - driving mechanism, the feed-bar mechanism, and the method of driving the rotary hooks by shaft sections 104, 125, 123 arranged out of alignment, is that described in Specification 409,158. The lubricating system is that described in Specification 409,160. The hooks, which rotate clockwise, have each a body portion 73, Fig. 15, with a loop-seizing beak 74 and a needle guard 75. The left-hand bobbin-case 80 has a bearing rib 81 and a notch 82 which engages loosely a projection 83, Fig. 21, on the under-side of the throat-plate to restrain its rotation. The right-hand bobbin-case has a tongue 89, Fig. 16, which engages loosely in a gap between projections 91, 91<1>, for the same purpose. At the appropriate instants the bobbin-cases are shifted momentarily to open passages for the needle-loops by vibratory fingers 85, 93 which engage shoulders 84, 92 on the cases. These fingers are adjustable, and are vibrated through arms 113, Fig. 9, by forks 111 engaging eccentrics on the shaft sections 104. Their timing is different. The hook bodies are closed by strips 86 having loopcasting hooks 87. The bearing-blocks 98 in which the mechanisms driving the rotary hooks and the bobbin-case openers are mounted, are pivoted at one end 99, and are held at the other end by a slot-and-screw connection 100, 101, so that the rotary hooks may be adjusted laterally to suit different spacing of the needles. Bearings for rotary hooks. The ball-bearings 97, Figs. 9 and 23 for the loop-taken spindles 96 are seated against an annular ledge 97<a> in a bushing 97b which is secured in the bearing- block 98 by a set-screw 97d.
Patent GB-280989-A (GB)
Title: Improvements in or relating to the treatment of fabrics
IPC: D06M13/256
Filed: 1926-07-27
Abstract: 280,989. British Celanese, Ltd., and Ellis, G. H. July 27, 1926. Yarns and threads, treating with liquids.-Fabrics made of or containing cellulose esters or ethers are rendered resistant to laddering by simple or repeated impregnation with aqueous solutions or dispersion containing at least 8 per cent. by weight of one or more of the following substances :-(1) higher fatty acids, e.g. oleic, stearic and palmitic acids and sulphonated, or other derivatives thereof containing salt-forming groups (e.g. the sulphogroup or carboxyl-group or both) such as sulphoricinoleic acid or other sulphated fatty acids and soluble salts of such acids or derivatives, for instance their alkali or ammonium salts or mixtures of two or more of such acids and/or derivatives and/or salts; (2) sulpho-aromatic fatty acids, e.g. sulpho-benzene stearic acid, sulphophenol stearic acid, sulpho-naphthalene stearic acid, sulpho-benzene-ricinoleic acid, sulphophenol-ricinoleic acid, sulpho -naphthalene -rici - noleic acid, and sodium or other soluble salts of such acids or mixtures of any such acids and/or salts; (3) soluble resin soaps or sodium or other soluble salts or soaps of resin acids. The impregnation may be carried out at 80-100 C. After impregnation the fabrics are piled or rolled and left for some time. Specification 280,990 is referred to.
Patent GB-613354-A (GB)
Title: Improvements in or relating to high frequency heating equipment
IPC: H05B6/62
Filed: 1946-06-21
Abstract: 613,354. H.F. heating. STANDARD TELEPHONES & CABLES, Ltd., and CLARKE, C. E. EADON-. June 21, 1946, No. 18735. Drawings to Specification. [Class 39 (iii] Apparatus of the type comprising a valve generator and heating electrodes housed in separate compartments, has a transparent or translucent partition provided between the valve generator and electrode compartments, to illuminate the latter, and permit observation of the former by the operator. Specifications 613,368 and 613,643 are referred to.
Patent GB-1111444-A (GB)
Title: Improvements in or relating to radar simulators
IPC: G01S7/40
Filed: 1965-05-04
Abstract: 1,111,444. Radar simulators. GENERAL PRECISION Inc. 4 May, 1965 [7 May, 1964], No. 18847/65. Heading H4D. The Specification describes a radar simulator which is a development of the simulator described in Specification 1,015,889 and is concerned with the simulated display of manmade objects, e.g. buildings, which have high radar reflectivity but have elevations less than the minimum necessary to cause the shadow computer to produce a shadow behind the response and the aspect angle computer to enhance the response of the object on the side facing the simulated radar transmitter. The radar reflectance signal is fed to a directivity effects computer which is also fed with a comparison voltage. When the reflectance is detected as rising above the comparison voltage, indicating a man-made object as described, the computer causes an elevation signal to be added to the elevation signal from the photomultiplier elevation channel, such that an elevation above said minimum is simulated.
Patent GB-292787-A (GB)
Title: Improvements in electric resistances
IPC: H05B3/16
Filed: 1927-07-16
Abstract: 292,787. Jones, W. F. July 16, 1927. Resistance grids.-In a resistance grid consisting of wire, which may be wound in the manner described in Specification 190,137, [Class 83 (iv), Metals, Working], held between metal clamps or cross-straps, the clamps or straps are so formed as to direct the air diagonally through the grid. The grid bars A are held between plates C, E, insulated from the bars and bent as shown. Alternate bars may be bent in opposite directions, as shown in Fig. 2, to increase the air space between them. The terminals may be carried on the plates C, E, or the ends of the bars may be bent, as shown at b, to embrace rods serving as terminals. One pair of clamping plates only may be employed, as shown in the left hand part of Fig. 9. The grids may be so arranged in a bank that the clamping-plates of adjacent grids form practically continuous baffles, as shown in the right-hand half of Fig. 9. The ends of the clamping-plates of adjacent grids may be bent at right-angles and joined by pieces U embracing insulated supporting rods P. When the clamping bars do not carry the terminals the straps may be mounted on rods and metal connections forming a lattice standard.
Patent GB-716795-A (GB)
Title: Improvements in and relating to heat exchangers
IPC: F28D7/06
Filed: 1951-08-10
Abstract: 716,795. Steam superheaters. NORTH EASTERN MARINE ENGINEERING CO. (1938), Ltd., and HUNTER, H. July 7, 1952 [Aug. 10, 1951], No. 18878/51. Class 123(3) A steam heater comprises a nest of tubes (e.g.U-tubes) 34 surrounded by a casing 18 and connected between inlet and outlet headers (e.g. 29, 31) steam being passed through the tubes to heat steam flowing through the casing and over the tubes, a perforated baffle 10 being provided in the inlet header 29 to minimize turbulence and eddying in the heating steam as it enters the tubes. The baffle is preferably made of heat resisting steel or other heat resisting material. In the apparatus shown steam supplied to the high pressure stage of a multi-stage expansion engine is passed through the tubes 34 to heat high pressure exhaust steam of the engine before it passes to the second stage. The latter steam enters the casing 18 through an inlet 22 and, directed by baffles 36, passes back and forth over the tubes to an outlet 20. Rods or bars 44 may be provided at the casing inlet to prevent the direct impingment upon the tubes of the entering steam.
Patent GB-425737-A (GB)
Title: Improvements in and relating to the production of glazed ceramic products of low coefficient of expansion
IPC: C04B35/18
Filed: 1934-06-26
Abstract: 425,737. Hollow-ware. PORZELLANFABRIK KAHLA, Kahla, Thuringia, Germany. June 26, 1934, Nos. 18892 and 18893. Convention dates, June 26, 1933 and Dec. 14, 1933. [Class 66] [See also Group V] A cooking vessel of glazed ceramic material having a low coefficient of expansion and of the form shown is provided with a ground base for use with electric hotplates.
Patent GB-722402-A (GB)
Title: Improvements in or relating to base cloths for rug making
IPC: D04G3/00
Filed: 1950-07-28
Abstract: 722,402. Base cloth for rug-making. HANDYMAID WOOL CO., Ltd., and HANSON, J. Oct. 4, 1951 [July 28, 1950], No. 18968/50. Class 142 (4). To prevent displacement of the threads by the rug-making tool, the outer pairs 2a, 2b of groups of warp threads embrace groups of weft threads 3 and are given a half-twist (as shown) or a full twist between the groups. The weft threads may be thicker than the warp threads.
Patent GB-842163-A (GB)
Title: Variable speed power transmission mechanisms
IPC: F16H37/00
Filed: 1957-06-17
Abstract: 842,163. Gas-turbine plant. WICKMAN, A. C. June 11, 1958 [June 17, 1957], No. 18971/57. Class 110 (3). An automatically variable power transmission mechanism for use on a road vehicle comprises a gas turbine having at least two rotors arranged in series, one of which is connected to an output shaft by epicyclic gearing and the other to a compressor by epicyclic gearing having a reaction member connected to the first mentioned epicyclic mechanism. In the plant shown having two turbine rotors t<SP>2</SP>, t3, the rotor t<SP>2</SP> drives the compressor c through sun gear p<SP>4</SP>, plant gearing p<SP>4</SP> and annulus a<SP>2</SP>. The rotor t<SP>3</SP> drives the output shaft o through sun gear s<SP>3</SP>, plant gears p3, p<SP>2</SP> and annulus a. A further sun gear s<SP>2</SP> is connected to the sun gear s<SP>4</SP> by a shaft 3. Clutches f and r are provided on the annulus a and on the shaft of the gear s<SP>3</SP>. For forward drive annulus a is held fixed and clutch r is free. For reverse, the clutch f is released and clutch r engaged. A unidirectional clutch u is provided between the compressor rotor c and the turbine rotor t<SP>2</SP>. In a modification of this arrangement, the compressor c is arranged between the turbine rotors, and the epicyclic gearing driving the output shaft.
Patent GB-498754-A (GB)
Title: Improvements in or relating to latex compositions
IPC: C08K9/12
Filed: 1937-07-08
Abstract: A latex composition, especially intended for impregnating textile fabrics, paper, &c., contains silica gel permeated with tannic acid as stabilizer.  The stabilized latex can easily be filtered.  In an example, a latex composition contains 17 per cent of rubber, ,8 per cent of silica gel and ,7 per cent of tannic acid.
Patent GB-723108-A (GB)
Title: Process for the manufacture of naco
Inventor: SPALDING HUGH BARBROOK
IPC: C01D7/12
Filed: 1952-11-12
Abstract: <PICT:0723108/III/1> Sodium carbonate is manufactured by decomposing sodium bicarbonate in a bed of previously formed sodium carbonate which is fluidized by a rising stream of carbon dioxide, air, or steam, or a mixture thereof, and heated by steam coils in the bed supplied with steam at a saturation pressure of up to 250 pounds per square inch, the coils having a heating area of at least 600 square feet per ton of sodium carbonate made per hour.  A temperature of 90 DEG C. equivalent to a steam pressure of 10 pounds per square inch, suffices to initiate the decomposition but a minimum of 150 DEG C., equivalent to 60 pounds per square inch, is required to complete it in normal practice.  Two or more beds are preferably employed, the first one operating at a temperature of between 90 and 140 DEG C., and the last one at a higher temperature up to 170 DEG  preferably between 140 and 160 DEG C.  The rate of flow towards the discharge end of the apparatus is restricted to ensure adequate retention time of the sodium bicarbonate in the bed.  The retention time is generally at least 20 minutes and is preferably between 1 and 2 hours.  The presence of the coils may provide sufficient restriction, but baffles may also be employed, one or more of which may serve as partitions to divide it into two or more compartments operating with different steam pressures and temperatures.  The sodium bicarbonate is preferably intimately mixed with dry sodium bicarbonate to convert it into a free-flowing dry-looking feed before being fed into the fluidized bed.  Wet sodium bicarbonate from the ammonia-soda process may be employed and the mixing carried out in a closed system from which any ammonia evolved is recovered.  As shown (Fig. 1) a bed 2 of sodium carbonate is fluidized by carbon dioxide from compartment 4 and heated by tubes 6.  Wet sodium bicarbonate from the ammonia-soda process is fed to the mixer 8 through feeder 9 and is mixed with dry sodium carbonate conveyed from the bed and from cyclone separator 16 which separates dust from the gases liberated by the bed.  A proportion of the cleaned gas, presumably consisting essentially of carbon dioxide, is returned through conduits 17 and 18 and blower 19 to the bed while the remainder passes through conduit 17 to the ammonia/soda process.  The rate of flow towards the discharge end 12 of the vessel is restricted to ensure adequate retention time by the use of baffles 11.  Dense sodium carbonate may be produced in the apparatus by feeding light sodium carbonate mixed with water instead of sodium bicarbonate.  The product may be cooled in a fluidized bed with cooling coils Fig. 2 (not shown).
Patent GB-1128516-A (GB)
Title: Alignment of equipment in aircraft or other vehicles
Inventor: DALY MARTIN ARTHUR KIRKPAT RIC
IPC: G01C25/00
Filed: 1966-04-29
Abstract: 1,128,516. Levelling items of equipment in aircraft or ships. BRITISH AIRCRAFT CORP. (OPERATING) Ltd. 12 July, 1967 [29 April, 1966], No. 19074/66. Headings B7A, B7M and B7W. Provision is made in an aircraft or ship for relative alignment of items of equipment (e.g. navigation or radar equipment, guns or sextant mountings) to other items of equipment or to selected datums within the aircraft or ship. Each piece of equipment or a mounting therefor is provided with at least two instruments at known angles to one another, each instrument having an axis and being capable of giving a reading which is a function of the magnitude of the component of the Earth's gravitational field along that axis at any moment. Other items of equipment or a datum pad are similarly provided with such at least two instruments and then readings are taken of all the instruments with the aircraft or ship placed in two different angular positions in relation to the Earth's gravitational field. The mountings are then adjusted, in the light of the readings, into a desired angular relationship to one another or the existing angular relationship is determined. An aircraft may be placed in said two angular positions by rocking it in pitch about the ground wheels or a ship, e.g. a submarine may be tilted in pitch or roll by movement of ballast. The reading instruments may be levels or accelerometers.
Patent GB-1033622-A (GB)
Title: Improvements in aircraft undercarriages
Inventor: WOTTON JOHN
IPC: B64C25/50
Filed: 1964-05-07
Abstract: 1,033,622. Brakes for aircraft. BRITISH AIRCRAFT CORPORATION (OPERATING) Ltd. May 5, 1965 [May 7, 1964], No. 19086/64. Heading F2E. [Also in Division B7] An aircraft undercarriage includes two wheels side by side on opposite sides of a common support, an hydraulically operated disc brake on each wheel, and means for coupling the wheels to prevent differential rotation when the brakes are applied and for uncoupling them when the brakes are released (see Division B7).
Patent GB-1334804-A (GB)
Title: Free-wheel device
IPC: F16D41/07
Filed: 1971-06-04
Abstract: 1334804 Ratchet clutches SKF COMPAGNIE D'APPLICATIONS MECANIQUES 4 June 1971 [4 June 1970] 19104/71 Heading F2C In a one-way sprag clutch, the sprags 2 are shaped so that they will not pass completely through apertures 5 in a sprag retaining cage 1 and the sprags are held in the cage and biased towards an engaged position between driving and driven races 3, 4 by individual energizing springs 11. Inwardly directed flanges 8 projecting from the apertures 5 guide the sprags 2. The cage has outwardly projecting portions 9 which bear resiliently against the outer race 4
Patent GB-704904-A (GB)
Title: Air depolarized electric dry cell and electrolyte therefor
IPC: H01M12/06
Filed: 1951-08-14
Abstract: 704,904. Batteries. WIENER ISOLIERROHR-, BATTERIE-UND METALLWARENFABRIK GES. Aug. 14, 1951 [Aug. 14, 1950], No. 19106/51. Class 53 An electrolyte for a battery in which depolarisation is effected by atmospheric oxygen consists of a solution of an alkali metal hydroxide jellified with a polyvinyl alcohol or other substance and containing an absorbent filling substance such as wood fibre or cellulose pulp and also particles of amalgamated zinc to increase the conductivity of the electrolyte. The electrolyte may be used in a cell having zinc and carbon electrodes separated by a paper diaphragm. Specification 666,005 is referred to.
Patent GB-148049-A (GB)
Title: Improvements in or relating to water heaters and the like
IPC: F24H1/06
Filed: 1919-08-02
Abstract: 148,049. Empson, A. W. Aug. 2, 1919. Water-tube boilers. - A water-heater comprises a casing l and a bank of tubes a connected to headers b, c, and by tubes e, f to a tank d. The furnace chamber is adjustable for capacity by rising and falling bars u operated by a screwed shaft y, and by a flap 9 adapted to swing from the position shown to one against the wall 14. The boiler is mounted on wheels 19 or on a motor chassis. A chamber 15 for warming drums of oil or the like is fitted above the boiler.