baber/WOPTO huggingface dataset:
Patent GB-1140272-A (GB)
Title: Improvements in jet propulsion engine fuel supply systems
Inventor: BAHR DONALD WALTER
IPC: F23R3/32
Filed: 1966-08-03
Abstract: 1,140,272. Jet propulsion plant. GENERAL ELECTRIC CO. Aug.3, 1966, No.34781/66. Heading F1J. [Also in Division F4] The fuel supply system to the combustion chamber of a ramjet engine or to the afterburner of a gas turbine or combined gas turbine and ramjet engine includes a flow divider valve 12 which splits the liquid fuel from a pump 10 into two flows. One flow passes through line 13 to a heat exchanger 14 where it effects cooling of a part of the engine, such as the after-burner duct, and in so doing is vapourised. The fuel vapour flows through line 17 to vapour injectors 18 to establish pilot flames at annular V-gutters 19 in the combustion chamber. The other flow passes along line 21 directly to liquid fuel injectors 22 slightly upstream of vapour injectors 18 where it is ignited by the pilot flames. A unit 24 senses the temperature of the vapour in line 17 and adjusts valve 12 accordingly to control the flow to heat exchanger 14 and thus ensure that all the fuel in the exchanger is always vapourised. At least 20% of the fuel flow passes through the exchanger.
Patent GB-883242-A (GB)
Title: Improvements in and relating to the production of mixtures of phosphoric and sulphuric acid
IPC: C05B1/02
Filed: 1959-10-14
Abstract: Mixtures of phosphoric and sulphuric acids are produced by absorbing SO3 in a strong mixture of phosphoric and sulphuric acids containing not more than 5% wt water.  SO3 may be employed per se or in admixture with other gases, e.g. N2, containing for example 7% vol. SO3, produced by the catalytic oxidation of SO2 with air.  The strong mixture of phosphoric and sulphuric acid may contain no water and includes mixtures of phosphoric acid and oleum, but preferably comprises mixtures containing 86% wt H2SO4 and 13% wt H3PO4.  The process may be operated batch-wise or continuously.  Continuous operation may be affected for example by flowing a mixture of phosphoric and sulphuric acids containing preferably less than 2% wt water, in counter-current with SO3 in an absorption tower, and dividing the resultant SO3-enriched acid mixture, which preferably contains not more than 1% wt of water, issuing from the tower into two portions, one being removed as product and the other being diluted with phosphoric acid, e.g. wet-process phosphoric acid containing about 43% wt H3PO4, preferably to substantially the same concentration as the original phosphoric-sulphuric acid mixture feed, and returned as feed to the tower.  The acid mixtures obtained by either batch or continuous process may be diluted for example to contain about 30% wt water, by addition of phosphoric acid solution, e.g. wet-process acid containing 38-45% wt H3PO4; such diluted mixtures may then be reacted with rock phosphate to produce enriched superphosphate fertilizers.  Alternatively, the undiluted acid mixture product may be ammoniated to yield fertilizers containing ammonium phosphates and sulphate.
Patent GB-404798-A (GB)
Title: Knitting needle
IPC: D04B3/00
Filed: 1932-12-08
Abstract: 404,798. Knitting-needles. AIVAZIAN, G., 4, Rue do la Coulouvreniere, Geneva, Switzerland. Dec. 8, 1932, Nos. 34835, 34836, and 34837. Convention dates, Dec. 12, 1931. [Class 74 (ii).] A hand knitting needle having the shank part of smaller cross-section than the point part is composed of smooth, non-oxidisable metal wire or the shank may consist of a cable. The wires &c. j in the surface layer of the cable are shaped and wound to produce a smooth surface and may bo sheathed in celluloid &c. The shank b is secured at one or both ends in recesses of point parts c by squeezing, welding, &c., or is detachable. The knob e, if any, is formed by upsetting.
Patent GB-1458321-A (GB)
Title: 2,2 disubstituted-benzodioxoles
IPC: A61P29/00
Filed: 1974-08-07
Abstract: 1458321 2,2 - Disubstituted benzodioxoles ISTITUTO LUSO FARMACO D'ITALIA SRL 7 Aug 1974 [9 Aug 1973 4 July 1974] 34837/74 Heading C2C] The invention comprises 1,3-benzodioxoles of the Formula I and its optical isomers, stereoisomers and pharmaceutically acceptable salts, in which R represents hydrogen, C 1  to C 6  alkyl, halogeno (C 1  to C 6  alkyl), hydroxy (lower alkyl), aryl, arylalkyl or aryl or arylalkyl substituted in the aromatic ring by halogen, alkyl, hydroxyl or alkoxyl, or R may be joined to the alkyl chain which is itself bonded to the 2-position of the benzodioxole ring to form a spirane ring of 4 to 7 carbon atoms; R<SP>1</SP> represents hydrogen, one or more halogens, C 1  to C 6  alkyl, halogeno (C 1  to C 6  alkyl), a group, hydroxyl, alkoxyl, a sulphonio acid group, sulphamido, N,N - dialkylsulphamido, nitro, amino, substituted amino, or alkylsulphonylamino or R<SP>1</SP> is a benzene ring condensed on the benzodioxole nucleus; R<SP>2</SP> represents hydrogen, alkyl, aryl or hydroxyl, m represents 0, 1 or 2; R<SP>3</SP> represents hydrogen, C 1  to C 6  alkyl, aryl, hydroxyl or cyano; n represents 0, 1, 2 or 2; X represents O or S and Y represents hydrogen, aryl (unsubstituted or substituted in the aromatic ring by halogen, alkyl, hydroxyl or alkoxyl), a group or a group, wherein represents substituted or unsubstituted amino. The compounds of Formula I may be prepared by reacting a pyrocatechol of formula with a ketone compound of Formula IV in the presence of a dehydrating agent wherein R<SP>6</SP> is hydroxyl or a derivative thereof reactive with a hydrohalogen acid or with an organic oxyacid or an inorganic oxyacid or a Y group or reacting a compound of Formula IV with a dibromo derivative of formula a monobromo derivative of formula or an acetylene derivative of formula in the presence of a basic catalyst. The compounds of Formula I may also be prepared by reacting a compound of formula with a compound of formula wherein Z is hydroxyl or a derivative thereof reactive with acids in the presence of a basic catalyst. The compounds of Formula I wherein X is O may be prepared by reacting a compound of formula with a halogen derivative of formula in the presence of a basic catalyst. The compounds of Formula I are used as pharmaceuticals.
Patent GB-655682-A (GB)
Title: Improvements in telephone exchange systems
IPC: B06B1/16
Filed: 1947-12-30
Abstract: 655,682. Automatic exchange systems. STAATSBEDRIJF DER POSTERIJEN TELEGRAFIE EN TELEFONIE. Dec. 30, 1947. Convention date, Sept. 3, 1945. [Class 40 (iv)] A circuit completed over resistances W1- W4 by the closed loop of a calling subscriber's line causes potential changes which mark an individual wire c as busy and start a line finger from a wire d which is common to a group of lines. When an incoming call seizes the subscriber's line over a final selector, busy potential is applied to wire c over the winding of a relay R. The busy condition on the c wire may be detected by a device as described in Specification 655,369. The circuit may be applied to lines using individual line and cut-off relays to give an immediate indication when a line is busied.
Patent GB-1110044-A (GB)
Title: Improvements in or relating to mechanical seed sowing and like operations
Inventor: VES DEREK BURTT HARGREA
IPC: A01C7/16
Filed: 1964-09-23
Abstract: 1,110,044. Seed sowing machines. SISAS EQUIPMENT (MACCLESFIELD) Ltd. 23 Dec., 1965 [26 Sept., 1964], No. 34863/64. Heading A1D. Seed is fed from a hopper 16 between the nip formed between a hard wooden roller 10 formed with seed carrying depressions 11 and a complimentary roller 12 carrying a layer of sponge or foam rubber. The pressure between the two rollers may be adjusted by means of a screw 13.One of the rollers may be replaced by an endless conveyer band.
Patent GB-1099425-A (GB)
Title: Improvements in moving coil loudspeakers
Inventor: SMITH HARRY COLIN
IPC: H04R9/02
Filed: 1965-08-16
Abstract: 1,099,425. Loudspeakers. RADIO RENTASET PRODUCTS Ltd., [trading as GOODMANS INDUSTRIES]. July 25, 1966 [Aug. 16, 1965]. No. 34934/65. Heading H4J. A moving coil loudspeaker is made by pressing an annular spacer 4 of deformable material between a centre pole piece 3 and the inner side wall of a magnet pot 1 by a front plate 5 so as to retain the centre polepiece 3 in alignment with the front plate 5 and magnet pot 1. The polepiece 3 has a skirt 10 which on assembly slightly oveilaps a magnet 2. The magnet pot 1 is formed with an inner annular recess 7 to receive the front plate 5 and an outer annular recess (8), Fig. 1 (not shown) to receive the inner flange 9 of a chassis 6. The spacer 4 is of low density polyethylene or other plastics material which will flow outwardly under axial compression. Its axial bore has a frusto-conical portion 11 corresponding to the skirt 10. In manufacture, a centre gauge occupies the air gap and the components are assembled in inverted position over the lower die plate of a press which is then closed. Spacer 4 prevents the front plate 5 from fully seating in the recess 7. The pressure deforms the spacer 4 outwardly to cause it to make contact with the inner walls of the magnet pot 1 all round its circumference. The lower die plate has short radially extending ridges and under pressure these ridges " stake " or " swage " the front plate 5 to the magnet pot 1. The chassis 6 can be similarly attached to the magnet pot 1 in the same operation.
Patent GB-1011289-A (GB)
Title: Therapeutically valuable secondary and tertiary 1-halogenophenyl-2-aminoalkan-1-ones
IPC: C07D295/108
Filed: 1962-09-14
Abstract: The invention comprises compounds of general formula <FORM:1011289/C2/1> where R is alkyl (1-3C), X is mono- or di-alkyl amino (the alkyl groups having 1-5 C), and Hal is halogen, also the compound 1-p-chlorophenyl-2-pyrrolidinopropan-1-one; their non-toxic salts; and their preparation by reacting corresponding a -bromo-alkanones with amines.  Pharmaceutical compositions comprise compounds of the invention and carriers.  Forms described are tablets, dragees, suppositories and injection solutions.  The compounds have appetite depressing and weight-reducing effect.
Patent GB-991738-A (GB)
Title: Tire repair and method of making the same
IPC: B29C35/18
Filed: 1963-03-28
Abstract: 991,738. Tyre repairs. FIRESTONE TIRE & RUBBER CO. March 28, 1963, No. 35271/63. Divided out of 991,737. Heading B7C. The matter disclosed is identical to that in Specification 991,737 but the claims differ.
Patent GB-1222734-A (GB)
Title: Purification and stabilization of hydrogen peroxide
Inventor: MUEHLAUSSER CARL KASPAR
IPC: C01B15/013
Filed: 1968-07-25
Abstract: 1,222,734. Purification of hydrogen peroxide. FMC CORP. 25 July, 1968, No. 35440/68. Heading C1A. Hydrogen peroxide solution containing 15- 80% by weight of hydrogen peroxide is purified by contacting with activated alumina having a particle size of 6 to 100 mesh (U.S.) for at least one minute, the activated alumina being sufficiently non-alkaline that upon being contacted with ten times its own weight of water for one minute, the pH of the water is not greater than eight. The hydrogen peroxide may then be stabilized by the usual stabilizing agents, examples of which are given. It is preferred that the weight ratio of alumina to hydrogen peroxide solution be in the range of 1: 2 to 3: 1 and that ambient temperatures be used. The alumina may be rendered non-alkaline, before or after use, by washing with water or an inert inorganic acid such as phosphoric or nitric acid.
Patent GB-925128-A (GB)
Title: Method of producing metal spheres
Inventor: TURNER GORDON HENRY
IPC: B22F1/065
Filed: 1961-10-02
Abstract: 925,128. Granulating metals. CONSOLIDATED MINING & SMELTING CO. OF CANADA Ltd. Oct. 2, 1961, No. 35556/61. Class 82. In a process of granulating low melting-point metals such as indium or alloys of indium with gallium, germanium or tin, particles of the metal in the molten or solid state are fed into a column of liquid such as glycerol, the upper part of the column being maintained above the melting point of the metal and containing at least 0.1% of an inorganic acid and the lower half of the liquid being maintained below the melting temperature of the metal. As shown in the Figure, particles 10 of the metal are fed as solid stampings or a molten spray into a column 5 containing glycerol 15. The top half of the glycerol containing 0.1% to 1% of hydrochloric acid is heated by heating coils 11 and the lower half of the column is cooled by water coils 12, the granules of metal being collected in container 6.
Patent GB-956988-A (GB)
Title: Method of forming an ohmic contact on a semiconductor body
IPC: H01L21/00
Filed: 1961-10-03
Abstract: <PICT:0956988/C3/1> A method of forming an ohmic contact on a semi-conductor body comprises heating the body to a temperature below (preferably 40-100  DEG C. below) the eutectic temperature of the contact material and the body, and evaporating the contact material. In the Figure, the semi-conductor body 14 is placed near the tungsten coil evaporator 26 which contains the contact material 30, and is heated on the molybdenum plate 12 whose temperature may be controlled with reference to the thermocouple 16.  The semi-conductor body may be of Si or Ge and the contact material Au or Al.  The depth of penetration of the deposited layer is said to be less than 0.1 mil and specifically about 0.03 mil.
Patent GB-1340378-A (GB)
Title: Shielding arrangement for eliminating electromagnetic interference
IPC: H01R13/658
Filed: 1971-07-29
Abstract: 1340378 Two-part couplings ITT INDUSTRIES Inc 29 July 1971 [31 July 1970] 35644/71 Heading H2E A screening connector comprises a shell member 12 having a recess 42 with an adjacent groove 56 and a resilient screening strip (14) which consists of a base 22 contiguous with the recess, a first portion 26 adjacent one longitudinal edge of the base and resiliently engaged in the groove 56, and a second portion 24 adjacent the other longitudinal edge of the base. The base 22 consists of a flat ribbon and the portions 24, 26 a plurality of fingers resiliently inclined to the base. A second groove 48 is formed adjacent the recess which houses the acute angled junction of the portion 24 and the base 22. In use a receptacle shell 32 slides over a surface 46 of the plug shell 12 (both shells may have contacts, not shown, mounted therein) to be engaged by the fingers of portion 24 and to bear against a flange 52 of the shell 12. In other embodiments (Figs. 6 and 7, not shown) the strip is shown in a connector of rectangular cross-section and in a door for a screened room.
Patent GB-896811-A (GB)
Title: Improvements relating to domestic heating apparatus
Inventor: HOLLINS HUMPHREY BOLTON
IPC: F24H6/00
Filed: 1959-10-21
Abstract: 896,811. Air and water heating stoves. BAXENDALE & SONS Ltd., RICHARD. Oct. 18, 1960 [Oct. 21, 1959], No. 35648/59. Class 64(1) An air heater and a water heater combination on a common base comprises an oil-fired air heater with an outer casing 3, an inner casing 4 and a gravity feed oil burner 5 mounted on the base plate 1, and an oil-fired hot water boiler with a cylindrical boiler 11 and a gravity feed oil burner 12 also mounted on the base plate 1. The common base plate 1 is levelled by adjusting three adjustable feet 2, of which only two are shown on the Figure. A flue box 9 communicates with the interior of the casing 4 and a flue pipe 14. A pipe 23 leads from the flue box 9 to a flue breaker 24 and a common main flue 25.
Patent GB-849790-A (GB)
Title: Improvements in or relating to electro-depositing chromium
Inventor: STARECK JESSE EDWIN
IPC: C25D3/04
Filed: 1958-11-06
Abstract: 849,790. Chromium plating baths. METAL & THERMIT CORPORATION. Nov. 6, 1958 [Nov. 7, 1957], No. 35742/58. Class 41. Bright and crack-free chromium plating is obtained by using a chromium plating bath substantially free from chloride ions, and containing sulphate and silico-fluoride ions, in which (1) the plating temperature is 122‹ to 140‹F., (2) CrO 3  concentrations is 180 to 540 g./litre (3) ratio of C r O 3   to silico-fluoride plus sulphate was 80:1 to 150:1, (4) the sulphate ion represents 20% to 85 % of the sulphate/silico fluoride present, and (4) this ratio and the temperature are defined by the curve AEG of Fig. 1. In examples, the mixtures range from 200 to 500 g./litre of C r O 3 , which many include CrO 3  and alkali metal chromates, magnesium or calcium or mixtures thereof, 0À5 to 2 g./litre of S04 in the form of alkali or alkaline earth metal sulphates strontium sulphate and 0À7 to 2À2 g/1 of SiF6 in the form of sodium potassium or strontium silico-fluoride. The coating may be applied to mild or stainless steel, copper and alloys thereof, or zinc. Specifications 697,786, 771,925, 812,337 and 812,338 are referred to.
Patent GB-1436800-A (GB)
Title: Detachable fasteners
IPC: F16C35/077
Filed: 1974-08-14
Abstract: 1436800 Bearings; mounting parts on shafts SKF INDUSTRIAL TRADING & DEVELOPMENT CO BV 14 Aug 1974 [21 Aug 1973] 35798/74 Headings F2A and F2U In order to prevent relative axial movement between two machine components 1, 2, the components are provided with grooves 3, 5 which together form an annular chamber, there being an annular space 4 communicating the chamber with one axial end of the assembly; an annular securing element 6 is inserted into the space 4 and radially displaced so that one peripheral region engages in the groove of one component and a diametrically opposed peripheral region engages in the groove of the other component. A split pin 11 may secure the element in place.
Patent GB-1158880-A (GB)
Title: Improved Rotary Patterning Discs for Circular Knitting Machines and a Method of Producing Same
Inventor: WIDDOWSON ALBERT HENRY
IPC: D04B15/74
Filed: 1967-08-04
Abstract: 1,158,880. Knitting-machines. WILDT MELLOR BROMLEY Ltd. 5 July, 1968 [4 Aug., 1967], No. 45806/67. Heading D1C. Each pattern disc 10 of a stack of a rotary pattern unit for a circular machine comprises a series of frangible butts 12 separated by slits 11 which are narrowed at their outer edges by passing the outer rim to a thinner configuration as shown in Figs. 3.
Patent GB-769802-A (GB)
Title: Improvements in or relating to display devices
IPC: A47F3/14
Filed: 1954-12-10
Abstract: 769,802. Stands for toys. DIE CASTING MACHINE TOOLS, Ltd., and MILLS, A. R. Dec. 5, 1955 [Dec. 10, 1954], No. 35871/54. Class 132(3). [Also in Group XVIII] A cardboard display stand for toy soldiers or figures comprises a box 13 having an aperture 14 for receiving said figures which are then held in position by a device 10 having locking flanges 11, 12 for engaging the flat bases of said figures. The upper surface of the member 10 may be adhesive and the ends of its flanges may be curved or angled to facilitate sliding over the said bases.
Patent GB-446697-A (GB)
Title: Improvements in or relating to washing machines
IPC: D06F37/30
Filed: 1934-12-14
Abstract: 446,697. Washing-machines. BRAITHWAITE & SON, ENGINEERS, Ltd., I., and BANKS, W., Kendal, Westmorland. Dec. 14, 1934, No. 35892. [Class 138 (ii)] The starting, stopping, "inching", and braking of the rotary receptacle are all controlled by a single lever G. The slide rod A which operates the clutch or other member of the automatic reversing gear, and is itself normally operated by the reverser B, is rotatably mounted and is provided with a cranked extension d extending parallel therewith and of a length sufficient at all times to engage the slotted upper end of a lever E<1> which is loosely mounted on a cam shaft F operating the brake. Another lever E<2> is loose on the camshaft and is linked to the operating lever G. The two levers E<1>, E<2> normally move together, a projection e<4> on lever E<2> engaging the lever E<1> and a spring e tending to hold them together. In the position shown the slide rod has been rotated so that the pin a projecting therefrom and normally engaged in the reverser B has been freed therefrom and another pin A<1> at right angles thereto has been engaged by a scroll cam A<2> to move the slide rod to its central or neutral position. At this time a lug e<3> on the lever E<1> engages a stop C. On further operation of the lever C to swing the lever E<2> further clockwise the lever E<1> remains in the position shown and an adjustable stop e<2> on the lever E<2> engages an arm f on the brake camshaft F and applies the brake. Rotation of the lever G to a position wherein lever E<2> is one stage to the right of that shown (the levers E<1>, E<2> again moving as a unit) results in the brake being released and the slide rod A being rotated counterclockwise to a position wherein the pin A<1> is free from the centring scroll A<2> and the pin a is not yet engaged by the reverser B whereby a spring, not shown, forces the rod to slide sufficiently to engage the clutch with either the forward or reverse drive whereby the clothes receptacle is inched. Engagement of the driving pin a with the reverser whereby the clothes receptacle is given its normal motion in alternately opposite directions is caused by swinging the lever G to the normal running position wherein the lever E2 is positioned two stages to the right of that shown.
Patent GB-1504026-A (GB)
Title: Cloth cutting machines
IPC: D06H7/00
Filed: 1975-09-01
Abstract: 1504026 Lubricating EASTMAN MACHINE CO 1 Sept 1975 [16 Sept 1974] 35937/75 Heading F2A [Also in Division B4] In a cloth cutting machine comprising guide means 17, 18 for supporting a crosshead 16 for reciprocatory movement, a lubricant reservoir 26 is positioned above the crosshead, and wicks 40, 41 in the reservoir conduct lubricant to the crosshead by gravity. The ends 40<SP>1</SP> of one wick are situated in bores 44, 45 in the guides and supply lubricant via bores 46, 47 to the sliding surfaces. The end 43 of the other wick feeds lubricant directly on to the crosshead and to a wrist pin 15. An oil cup with a sight glass is attached to the reservoir.
Patent GB-364771-A (GB)
Title: Improvements relating to starting and stopping mechanism for the rotary tables of gramophones and the like
IPC: G11B17/02
Filed: 1930-11-29
Abstract: 364,771. Gramophones. HILL, W. J., 4, St. Paul's Square, Birmingham. Nov. 29, 1930, No. 35966. [Class 40 (ii).] Stopping mechanism, of the type wherein a spring- loaded plunger brake held out of action by an operating lever is associated with a release member operable by the tone arm when this reaches a predetermined position, is constructed with a baseplate on which is pivoted a release lever and a finger actuated resetting lever which latter lever is pivotally connected to a brake plunger mounted to slide adjacent to the release lever but held by a catch engagement therewith until the release lever is moved by the tone arm. As shown, a base a has pivoted thereto at b<1> a lever b having a frictionally mounted arm c thereon, and a brake plunger e has a slotted engagement with the pivot b<1> and is guided to slide over the lever b under the action of a spring g<3> engaging a finger lever g mounted by a pivot g<2> to the base and engaging the plunger e by a pivot g<1>. The finger lever is operated to retract the plunger e, which is then held by a notch e<3> thereon engaging a lug b<3> on the lever b. Displacement of the lever b by the tone arm engaging the arm c releases the plunger to apply a brake block e<2> thereon to the turntable f The arm c may be mounted on the tone arm.