baber/WOPTO huggingface dataset:
Patent GB-661117-A (GB)
Title: Improvements in and relating to burners for oil fuel
IPC: F23D3/00
Filed: 1948-11-13
Abstract: 661,117. Liquid fuel burners. VALOR CO., Ltd., and WOOD, A J. Nov. 14, 1949. [Nov. 13, 1948] No. 29534/48. Class 75(i). In an oil fuel burner having two or more concentric troughs 13 in which the oil is vaporized and above which it is burnt the oil is supplied to the troughs by a closed feed duct or ducts 12 of substantially V- shaped cross-section, the bottoms of the vaporizing troughs and feed duct or ducts being substantially at the same level. The angle of the V-shaped radially disposed ducts 12 is more acute towards the centre of the burner than towards the outer trough 13. The upper part of the ducts may have parallel sides 21 joined by a flat top 22. Cylindrical asbestos starting wicks 14 are provided in each trough 13. The burner is initially ignited through an aperture 20.
Patent GB-676113-A (GB)
Title: Machine for sewing shoe soles with lock stitches
IPC: D05B71/00
Filed: 1949-11-21
Abstract: 676,113. Sewing-machines. ACTIS, P. Nov. 21, 1949 [Dec. 17, 1948], No. 29768/49. Class 112. Lubricating.-In a machine for sewing shoe soles the various mechanisms are controlled by a plurality of cams 7-10, 12-18, Fig. 3, car-. ried on a common shaft 2 extending over an oil-bath into which the cams dip. The head of the machine forms a fluid-tight casing 21 containing the oil-bath and cam-shaft, and is provided with a transparent section to show the oil level. Presser-bars.-The presser bar 24, Fig. 7, is pivoted at 44 and is periodically locked by a slide 49 engaging notches in the rod 45. The slide is operated by a cam 9 engaging a roller 55 carried by a link 53 pivoted to the slide and to a fixture 54. The presser bar may be raised at any time by a pedal operated cam bar 59 adapted to withdraw the slide and depress the rod 45. Lock-stitching by barbed' needles and shutttles.-The looper is carried by a rod 36, Fig. 3, slidably mounted in a tube which is oscillated about a vertical axis by the cam 14 engaging between rollers 43 on the tube. The sliding of the looper in the tube is produced by a spring-loaded lever operated by the cam 18. The thread-finger is secured to a sliding rod actuated through a spring-loaded lever by the cam 13. The thread-clamping brake-shoe, which co-operates with a grooved roller over which the thread passes, is secured to a spring-loaded bellcrank lever operated by the cam 17. Besides the particular cams referred to, cams are also provided to actuate the eccentric operating the needle and awl, the means for adjusting the loop in the thickness of the leather, the shuttle opener, the take-up, the needle-guide, and the feed-carriage; the shuttle is driven by a pinion 19, Fig. 3.
Patent GB-645414-A (GB)
Title: A process for the preparation of a water soluble oestrogenic hormone substance
IPC: C07J1/00
Filed: 1947-11-08
Abstract: A water-soluble oestrogenic hormone substance is prepared from a urinary concentrate containing water-soluble oesteogenic activity by acidifying an aqueous solution or dispersion of the concentrate to a pH of 2 to 6, extracting the acidified concentrate with a substantially water-immiscible solvent, and neutralizing the remaining aqueous fraction, conditions being co-ordinated throughout so as to prevent hydrolysis of the active principles.  The resulting aqueous fraction may be brought to dryness, the dry residue dissolved in a small amount of a lower alcohol and a ketonic solvent added to the resulting solution to precipitate unwanted materials, the supernatant containing oestrogenic activity being separated and evaporated to dryness. Excess of ether may be added to an alcoholic solution of the dry supernatant to form a precipitate containing the oesteogenic activity, which may be washed with ether and dried.  The initial aqueous solution of the urinary concentrate may be prepared by subjecting an alcoholic solution containing water-soluble oestrogenic material derived from equine urine to the action of a ketonic solvent to precipitate unwanted materials and recovering the supernatant containing the water-soluble oestrogenic activity. The water-soluble oestrogenic material may be extracted from the urine of pregnant mares by treating the urine with successive batches of active carbon, extracting the combined carbon batches with 90:10 pyridine water, and concentrating the extract in vacuo at 40-50 degrees C to remove the pyridine and form an aqueous concentrate. Specified water-immiscible solvents are aliphatic alcohols having 5 or more carbon atoms, cyclohexanol, diethyl ether, isopropyl ether, hexane, benzene, toluene, chloroform, ethylene dichloride, trichlorethylene, carbon tetra chloride, ethyl acetate, amyl acetate, and methyl isobutyl ketone. Specified ketone solvents are acetone, diacetone alcohol, acetonyl acetone, methyl ethyl ketone, ethyl aceto-acetate, methyl isobutyl ketone, isophorone, mesityl oxide, methyl n-amyl ketone and diisobutyl ketone.  The Specification as open to inspection under Sect. 91 describes also the treatment of the initial urine with fullers earth, tricalcium phosphate or an absorbent clay and eluting the charged solid absorbent with a mixture of an alcohol and chloroform; and the use of cyclohexane and chlorobenzene as water immiscible solvents in the main process.  This subject-matter does not appear in the Specification as accepted.
Patent GB-1279293-A (GB)
Title: Improvements in or relating to powdered metal composites and method of making the same
IPC: C22C1/04
Filed: 1969-06-12
Abstract: 1279293 Sintered contacts CHASE BRASS & COPPER CO Inc 12 June 1969 [18 June 1968] 29915/69 Headings C7A and C7D Sintered composites e. g. electric contacts, comprising Re, optionally with a refractory metal such as Ta, W, Mo, in a matrix of Cu, Ag or Au are made either by liquid phase sintering the compacted powder metal mixture or by infiltrating the presintered Re compact with molten Cu, Ag or Au. The composite preferably contains 5-95% Re and the metal powder particle size is 1-12 Á. The sintered compact may be cold rolled, swaged or drawn and annealed. A two layer compact is made by compacting a layer of 95W-5Re powder mixture on a compacted W layer and infiltrating the presintered compact with Ag.
Patent GB-809565-A (GB)
Title: Automatic let-off motion for looms
Inventor: PUSKAS LAJOS
IPC: D03D49/08
Filed: 1956-10-02
Abstract: 809,565. Let-off motion for looms. LICENCIA TALALMANYOKAT ERTEKESITO VALLALAT. Oct. 2, 1956, No. 30034/56. Class 142(2) A chain 3 round the warp beam ruffle is slackened by a reciprocating rod 22 and a wedge 23, the wedge being raised or lowered through lings 24, 25 to control the amount of warp let off according to the movement of the back-rest 11. One end of the chain is secured to the loom at 4 and the other end is attached to a lever 7 pivoted at 6 and moved by the rod 22, the wedge 23 and a rod 26. A weight 17, a lever 16, and a spring 18 are connected to an arm 19 on the back rest to tension the warp 21. The wedge 23 may be replaced by a lever whose position is altered according to movement of the back-rest. The back-rest comprises two rollers 11, 12, the roller 11 being cranked at each end so that the warp engages the roller on the axis of its end bearings. The roller 11 may have a rib thereon engaged by the warp or be of triangular section so that the warp is deflected over an edge of small radius. The back-rest may be locked at beat-up by a member 35 (Fig. 7) reciprocated by the slay and which clamps a rod 33 against a member 34. When weaving heavy cloths, a brake chain 41 (Fig. 8) on the beam 14 is tightened by a connection 42 carried by the slay so that the beam does not rotate at beat-up.
Patent GB-436560-A (GB)
Title: Manufacture of mixed yarns
IPC: D02G3/04
Filed: 1934-10-20
Abstract: 436,560. Yarns. I. G. FARBENINDUSTRIE AKT.-GES., Frankfort-on-Main, Germany. Oct. 20, 1934, No. 30107. Convention date, Oct. 21, 1933. [Class 120 (iii)] A mixed yarn is made by working up undegummed flax with artificial spinning fibres on a machine for spinning flax. The machine may be of the wet spinning type, which gives a smooth yarn, or a dry spinning machine, which gives a woolly yarn. The flax and artificial fibres may be mixed before the spinning operations ; or the artificial fibres may be treated on a carding or combing machine and the band so produced run together with a drawn flax bound through a draw frame in the desired ratio of mixing ; or an extensible band of artificial fibres made by tearing may be mixed with a drawn flax band in a draw frame. The mixed yarn may be worked up on a wet or a dry spinning frame, or the flax may be worked up wet and the artificial fibres dry, the two being combined at the draw frame.
Patent GB-636642-A (GB)
Title: A process for the manufacture of an aldehyde from ª‰-ionone
IPC: C07C403/00
Filed: 1947-11-13
Abstract: An aldehyde of the formula <FORM:0636642/IV (b)/1> is obtained by condensing B-ionone with a halogeno acetic ester without external heating, treating the product with an alkali and isolating the aldehyde from the reaction mixture.  The temperature is kept below 50 DEG  C. throughout the reaction.  The ester may be a monohalogeno ester, with magnesium amalgam, alkali or alkaline earth metal alcoholate as condensing agent, or a dihalogeno ester, using magnesium amalgam, these reactions being described in Specification 664,815.  The glycidic ester <FORM:0636642/IV (b)/2> is formed as an intermediate, but is not isolated, and is subsequently decomposed during the course of the reaction.  The aldehyde may be converted into its thiosemicarbazone and phenylsemicarbazone.  Examples show the use of ethyl mono- and dichloracetates with sodium methoxide and magnesium amalgam as condensing agents.  The aldehyde is extracted from the alkaline reaction mixture by adding water and extracting with ether and is purified by distillation under reduced pressure.
Patent GB-243765-A (GB)
Title: Improvements relating to thermionic valve and like circuits
IPC: H03F3/02
Filed: 1925-11-30
Abstract: 243,765. Soc. d'Etudes pour Liaisons TÚlÚphoniques et TÚlÚgraphiques Ó Longue Distance. Dec. 1, 1924, [Convention date]. Themionic amplifiers and detectors.-In the reactive coupling 3 between the input 1 and the output 2 of a relay. A, an impedance D comprising an adjustable resistance in parallel with a tuned circuit, or a system of tuned circuits, is provided so that the voltage phase difference between the input and output shall be less than 90‹ in order to increase the amplification for the desired frequency or frequencies. Fig. 3 shows a thermionic valve having input and output transformers 11, 13, and an adjustable, resistance 14 arranged in shunt to a network 15, 16 tuned to the desired frequency. A number of tuned circuits may be arranged in series with one another and in parallel with the adjustable resistance so that increased amplification is obtained for a number of frequencies which may comprise a band of frequencies. The Specification as open to inspection under Sect. 91 (3) (a) comprises also a circuit in which the impedance consists of resistance only so that the increased amplification is obtained at all frequencies. This subject-matter does not appear in the Specification as accepted.
Patent GB-437482-A (GB)
Title: Improvements relating to economizers or feed water heaters
IPC: F22D1/12
Filed: 1934-10-22
Abstract: 437,482. Heating feedwater. BABCOCK & WILCOX, Ltd., Farringdon Street, London.-(Assignees of Lucke, C. E.; 110, Riverside Drive, New York, U.S.A.) Oct. 22, 1934, No. 30272. Convention date, Oct. 21, 1933. [Class 64 (i)] Water flows through an economizer 26 under normal operating conditions in counterflow to the furnace gases from the boiler 14, and during lay over periods or conditions of light load the water flow is reversed. When the feed valve 40 and a valve 31 between the economizer and the boiler drum are closed, a valve 42 is opened to allow water to circulate from the upper header 24 of the economizer through a downtake 46 to the lower header 28 and then upwards through the sinuous water tubes. Further connections with valves may be provided to allow reversal of water flow at light loads while the feed valve is open, and a pump may force water from the boiler drum upwards through the economizer during lay-over periods.
Patent GB-475218-A (GB)
Title: Improvements in or relating to aircraft having folding wings
IPC: B64C3/56
Filed: 1936-11-06
Abstract: 475,218. Aircraft folding-wings. FAIREY AVIATION CO., Ltd., and HILTON, L. M. Nov. 6, 1936, No. 30281. [Class 4] Means for inserting and withdrawing locking - pins, which are movable oppositely in pairs by screw action, through registering apertures in overlapping eyes or the like on relatively fixed and foldable portions of an aircraft wing includes jointed rods connected with a pair of members arranged to be rotated concurrently by a ratchet-and-pawl device. As shown, pins e are mounted through universal joints g on rods h connected by joints j to a pair of oppositely threaded sleeves k. The sleeves k work in nuts m having tubular extensions r and are fixed to a part of the wing structure n. The sleeves k have internal square-bores in which work rods o having squared ends p. A ratchet-wheel q is secured to the rod o. A hand lever t is pivoted to a member s provided with two spring-influenced pawls u, v having oppositely-arranged teeth. The member s is journalled on one of the extensions r. The lever t is raised or lowered so that projections x or w disengage pawls v or u from the wheel q ; subsequent oscillatory movement of the lever t rotates the rod o and consequently the sleeves k to cause the pins e to engage or free registering apertures in eyes c, d on the folding and stub wings a, b respectively. The sleeves k may be disposed in any position intermediate the pins and the ratchet wheel or the locking pins and eyes may be threaded.
Patent GB-717814-A (GB)
Title: Improvements in electric storage battery separators
Inventor: STRAUSS HOWARD JEROME
IPC: H01M50/491
Filed: 1952-12-01
Abstract: 717,814. Batteries. ELECTRIC STORAGE BATTERY CO. Dec. 1, 1952, [Dec. 3, 1951.] No. 30354/52. Class 53. A separator consists of a microporous sheet made for example of a thermoplastic resin such as polyvinyl chloride, polystyrene or polyethylene the pores of which are filled with a cellulosic micro-porous material such as cellulose or cellulose nitrate. The cellulose may originally be in the form of cotton linters which are steeped in a solution of caustic soda to form alkali cellulose which is dried and treated with carbon disulphide to convert it into cellulose xanthate. The microporous sheet is dipped in the xanthate solution and then treated with sulphuric acid to regenerate the cellulose in the pores of the sheet after which it is immersed in a weak solution of caustic soda, washed and dried. In an alternative method the microporous sheet is impregnated with a solution of cellulose nitrate in a mixture of ether and alcohol and then dried. Specification 565,022, [Group IV], is referred to.
Patent GB-462346-A (GB)
Title: Instrument for use in navigation
IPC: G01C21/02
Filed: 1935-11-02
Abstract: 462,346. Protractors &c. GRANTLEY, C. T. Nov. 2, 1935, No. 30380. Convention date, Nov. 2, 1934. [Class 97 (iii)] A navigational plotting instrument comprises arms 4, 5, secured together to form a T, an apertured cursor 8 slidable on the arm 5, and a protractor 13 pivotally mounted on the cursor with its centre on a working edge of the arm 5. A pair of pointers -12 co-operating with the graduations on the protractor are fixed to the cursor 8 and a hair line 11 extends across the aperture 9 in the cursor.
Patent GB-1299725-A (GB)
Title: Improvements relating to the bonding of polyalkenes to elastomers
Inventor: MORRIS RAYMOND JOHN THOMAS
IPC: C08J7/04
Filed: 1969-06-17
Abstract: 1299725 Laminates DUNLOP HOLDINGS Ltd 10 June 1970 [17 June 1969] 30552/69 Heading B5N [Also in Division B2] A polyalkylene, e.g. polypropylene or ethylene/propylene copolymers, preferably in the form of a woven or non-woven fabric is treated with a solution of 0À025 to 10% by weight of the same or a different unmodified polyalkylene and is then coated with elastomer which is a synthetic or natural rubber (see Division B2) and the composite thus formed is adhered to wood by means of contact adhesive. In Example 5 a polypropylene scrim is treated with a solution of polypropylene and then coated with a polychloroprene adhesive. The adhesive is allowed to dry and the scrim is then adhered to a piece of plywood to which the same adhesive has been applied.
Patent GB-778032-A (GB)
Title: Improvements in or relating to cushioning for upholstery purposes
IPC: B68G11/06
Filed: 1955-10-26
Abstract: 778,032. Upholstery. CONTINENTAL GUMMI-WERKE AKT.-GES. Oct. 26, 1955 [Oct. 29, 1954; Nov. 3, 1954; Aug. 20, 1955], No. 30564/55. Class 52 (4). A cap-like cushioning for interposition between a spring unit 1 and an outer cover 2 consists of a larger upper panel 3 and at least one smaller lower panel 4 of material such as plastic foam, the edge regions of panel 3 being bent down and abutting the edge faces of panel 4. Preferably the panels are cemented together. A layer of scrap material may be interposed between the panels. A raised edge, Fig. 3, is formed by the insertion of an edge strip 8 between the panels. Resilient padding strips 15 or 17, Figs. 5 or 6, may be secured to the cushioning to abut the edges of the frame of spring unit 1. The faces of the edge regions of panel 3 may be lacquered. As shown in Fig. 8, the edge regions of panel 3 may be folded, the abutting faces 18 being secured together either by cement or by stitching 19. The cushioning of Fig. 1 is formed by placing in a boundary frame first the layer 3 and then the layer 4 the appropriate surfaces having been coated with cement and the frame being of such size that it folds up the edge regions of panel 3 into abutment with the edge faces of panel 4.
Patent GB-798305-A (GB)
Title: Improvements in and relating to joints between pipes
IPC: F16L49/08
Filed: 1955-10-26
Abstract: 798,305. Pipe joints. Q. V. F. Ltd., and TURPIN, B. H. Oct. 16, 1956 [Oct. 26, 1955], No. 30675/55. Class 99(1). A glass, metal or synthetic plastic pipe 1 has an outwardly tapered conical end portion 5 with a transverse concave (as shown) or convex end surface 6 symmetrical about the longitudinal axis of the pipe, and a backing flange 7 having a conical bore 9 engages the pipe end over a shaped gasket 11 so that the pipe may be clamped to another pipe 2 having a complementary end surface 4 and a shaped backing flange 8, a gasket 12 being interposed between the mating surfaces. The joint is secured by bolts which pass through aligned holes 13. The flange 8 has a rabbetted bore 10 which engages the end 3 of pipe 2 with an interposed resilient insert 11. In a modification, Fig. 2 (not shown), the pipe 1 has a convex end surface, and in Fig. 3 (not shown) an adaptor is illustrated for connecting different pipe ends together, comprising a tube having one end stepped and the other end - tapered, the transverse end surfaces being either convex or concave.
Patent GB-685969-A (GB)
Title: Power-driven clutch-engaging mechanism
Inventor: ASHTON RICHARD A
IPC: F16D23/12
Filed: 1950-12-15
Abstract: 685,969. Operating a combined clutch and brake mechanism. SENECA FALLS MACHINE CO. Dec. 15, 1950, No. 30680/50. Class 80 (ii). Clutch members 18, 20 and brake members 82, 84 are mounted on a driving shaft 10, the clutch member 20 being fixed for rotation therewith but axially movable into engagement with the driven clutch member 18 rotatable but axially fixed on the driving shaft, the brake member 84 being secured to a stationary support and the brake member 82 rotating with the shaft. An axially movable shift rod 23 controls both clutch and brake. The driven clutch member 18 meshes a driven gear 25 and also a gear 30, rotatable on the shift rod, transmitting drive through the gearing shown to a worm 51 and rotatable cam 56. Axial movement of the shift rod 23 is controlled by a hand lever 71 which can be moved so as to engage lightly the clutch members 18, 20, the cam 56 then being rotated by the driven clutch member 18 to engage with a roller 62 on the linkwork shown, and thus produce full clutch engagement. Limited lost-motion is permitted in the controlling linkwork so that when moving the hand control 71 a light blow is given which facilitates disengagement of the members 18, 20 and 82, 84, held in engagement by friction only. The shape of cam 56 permits the driving shaft 10 to be rotated in either direction.
Patent GB-328635-A (GB)
Title: Improved method of supplying heat required for effecting chemical reactions
IPC: F27D11/06
Filed: 1928-10-24
Abstract: 328,635. Carpmael, A., (I. G. Farbenindustrie Akt.-Ges.). Oct. 24, 1928. Induction furnaces. -The heat necessary for effecting chemical reactions between substances one of which when fused is electrolytically conducting is supplied by inducing, secondary electric currents in the reaction mass by passing an alternating current with a frequency of 500-107 per second through a primary winding surrounding the reaction vessel. Graphite powder, carbon bodies or pieces of metal may be added to the reaction mass to increase the conductivity. When the reaction mass is supplied in the solid state, conducting bodies may be added, and may be removed when the mass is fused. The containing vessel may be formed of a porous structure or framework of non-conducting refractory material which is kept cool so that external parts of the reaction mass remain solid. As applied to the formation of sodium cyanate, a vessel c of unglazed ware is surrounded by a spiral copper tube a embedded in insulation b, and contains a melt consisting of sodium cyanate and sodium carbonate maintained at 600‹ C. A current of 800-1007 volts at 10,000 cycles per second is passed through the copper tube through which a cooling liquid is also passed. A mixture of ammonia and carbon monoxide is passed through the melt from an inlet e. Sodium cyanate is first formed and is reduced to sodium cyanide on passage of further quantities of the gas mixture. Reference has been directed by the Comptroller to Specifications 7876/90 and 111,844.