baber/WOPTO huggingface dataset:
Patent GB-242550-A (GB)
Title: An improved spoon
IPC: A47G21/02
Filed: 1925-06-09
Abstract: 242,550. Schafer, J. B. June 9, 1925. Spoons. - A spoon for the consumption of ice-cream &c. and to be used once only consists of a pressed or stamped sheet-metal bowl or like part having an integral socket part to receive a handle or stem which may be a thin rod of wood &c. As shown, Figs. 1 and 3, the bowl part a of the spoon tapers towards the end which forms the handle-receiving socket and this end of the pressing or stamping has a series of transverse parallel slits pierced in it, the bands b, c of metal left between the slits being alternately raised and depressed to form a hollow tubular socket. An inclined rib d is formed in the bowl part in line with the socket to receive the inner end of the handle e which is slightly deflected thereby and wedged in the socket, or a tubular socket may be formed for th handle by making the end of the pressing of substantial width and bending it round into a tube.
Patent GB-803756-A (GB)
Title: Process for the preparation of silicon tetrafluoride
IPC: C01B33/08
Filed: 1955-05-24
Abstract: Pure silicon tetrafluoride is prepared by reacting fluosilicic acid with at least a stoichiometric equivalent of silica in the presence of sulphuric acid, in which the concentration of the sulphuric acid exceeds 70 per cent by weight H2SO4 throughout the reaction.  The silica may be added as silica gel 8-30 mesh.  The reaction may be effected continuously by adding the fluosilicic acid continuously to a vessel continuously supplied with sulphuric acid, 93-98 per cent, and at least sufficient silica to react with all the fluosilicic acid.  The process is particularly suitable for treating the unfiltered crude fluosilicic acid containing silica obtained by water scrubbing the off-gas from the acidulation of rock phosphate to superphosphate. The acid from the silicon tetrafluoride preparation may be used in rock phosphate acidulation.  Reference has been directed by the Comptroller to Specification 745,800.
Patent GB-189415-A (GB)
Title: Improvements in or relating to oil-cooling radiators
IPC: F16N39/02
Filed: 1922-05-27
Abstract: 189,415. Lamblin, A. Nov. 22, 1921. Radiators, aircraft and motorcar, for; cooling oil.-In a radiator adapted for cooling the lubricating oil of internalcombustion engines, the cooling- elements 1 located between the headers are in the form of tubes having a relatively enlarged part 1<1>, Fig. 2, in which the lubricant normally circulates, and a contracted portion 1<11> in which the cooling effect is greater and the lubricant can congeal over a comparatively large surface. The tubes as shown are preferably substantially isosceles triangular in section, with the longer sides 3, 4 concave, and elliptic. rectangular or similarly shaped washers 6 are inserted at intervals between the enlarged and contracted portions. In modifications, the section of the tubes is obtained by uniting two of such triangular elements either at the base or at the apex. The tubes 1 are disposed between rear and front headers 10, 11, and mav either be connected to vertical faces of the headers as shown in Fig. 5 or may be bent upwardly near their ends and joined to the under. faces of the headers 13, 14 as shown in Fig. 7. When the radiator is to be attached to a curved or like surface such as the hull of an aeroplane or a motor casing, the headers 20, 21, Figs. 11 and 13, are formed of concave meniscus or similar section to correspond with the shape of the supporting surface. An additional support for the tubes or cooling-elements 24 is constituted by side tubes 28 connecting the headers, a transverse bar 29 spacing the tubes, and transverse bars 30 disposed between the inlet and outlet branches 22 of the headers, the elements 28, 29, 30 together forming a flexible framework which allows the complete radiator to adapt itself to the curvature of the supporting surface. Specifications 127,338 and 128,281 are referred to.
Patent GB-475885-A (GB)
Title: Improvements in or relating to electric fires
IPC: F24C7/06
Filed: 1936-05-28
Abstract: 475,885. Electric fires. FERRANTI, Ltd., and WATKISS, J. H. May 28, 1936, No. 15057. [Class 39 (iii)] In an electric fire comprising one or more rodlike heating elements 6, disposed along a line parallel to the longitudinal axis of a reflector 2 curved in one direction only, one or more bar-like reflecting members 7 arranged in parallel to the heating elements are provided each of the reflecting members being disposed so as to reflect forwardly part of the radiation from the heating elements not directed towards the curved reflector. The curved reflector and the reflecting members respectively are supported on each side of a rectangular frame 1 to which the heating elements are also attached by means of clamps 5. The latter are also supported by external brackets which in addition lock the curved reflector to the frame. Each of the reflecting members preferably has a cross-section in the form of a right-angled triangle with a curved hypotenuse.
Patent GB-326408-A (GB)
Title: Method of preventing swaying of vehicles which travel on rails, and means for carrying the method into effect
IPC: B61F15/06
Filed: 1929-05-14
Abstract: 326,408. Matthews, E. F. May 14, 1929. Axles.-To prevent swaying of the vehicle the plug between the collar on the axle and the adjacent face of the axle brass is maintained at the smallest permissible amount by adjusting the collar with respect to the axle brass. The collar d is threaded on to the reduced end a<1> of the axle a and positioned so that its face d" is close to the face b<1> of the journal brass b. The collar d is secured in adjusted position by means of keys f engaging in one of a series of grooves or slots in the face of the collar and a groove or slot h in the end of the axle a, studs i<1>, i<2> securing the key f. The grooves are deeper than the key so that shocks are not transmitted to the keys f or the oil transferring device l.
Patent GB-1249847-A (GB)
Title: Starter drive for internal combustion engines with positive advance and inertia release
IPC: F02N15/06
Filed: 1970-03-31
Abstract: 1,249,847. 847. Engine starter drives. BENDIX CORP. March 31, 1970 [April 4, 1969J, No.15083/70. Heading F1K. A starter drive comprises advance assist means 20 interconnecting the starter drive housing 26 and the shiftable drive portion 10 to provide a position sensitive rotational braking force so that a sleeve means 16 is selectively braked to permit a helical screw thread to advance the pinion means 24 into engagement with the ring gear 30 of the engine. As shown the advance assist means may comprise electromagnetic brake means 36 slidingly interconnecting the starter drive housing and the sleeve means.
Patent GB-555466-A (GB)
Title: An improved gas lighter
IPC: F24B15/00
Filed: 1942-10-28
Abstract: 555,466. Gas igniters. KERSWELL, S. E. Oct. 28, 1942, No. 15101. [Class 75 (iii)] A gas igniter consists of a frame E having a turned down handle formed with a suspension aperture H and carrying in bearings F, G a shaft B fitted at one end with an operating wheel C and at the other with a wheel A engaging a flint. The frame E is a die-casting or may be moulded or fashioned in plastic material.
Patent GB-570013-A (GB)
Title: Improvements in or relating to conveyors
IPC: B65G19/20
Filed: 1943-09-20
Abstract: 570,013. Conveyer chains. WALWORTH, J. E. Sept. 20, 1943, No. 15372. [Class 24] [Also in Group XXX] A conveyer of the scraper type is built up of links 1 of T-shape; an axial slot 2 is provided behind the cross bar 3 and is engaged by a projection 5 on the downwardly extending tail end 4 of the adjacent link.
Patent GB-586169-A (GB)
Title: Improvements in or relating to combing machines
IPC: D01G19/02
Filed: 1944-08-11
Abstract: 586,169. Combing-machines. LORD, J. Aug. 11, 1944, No. 15394. Drawings to Specification. [Class 120 (i)] A pin circle of a Noble &c. combing-machine is built up of a plurality of concentric rings, the outer ring being dovetailed on its inner face to an intermediate ring to which the other rings are secured. Each ring may be built from a plurality of segments, having one or more slots &c. to receive the pins, the segments being welded together to form the ring.
Patent GB-544591-A (GB)
Title: Improvements relating to coil holders
IPC: B65H49/32
Filed: 1940-10-17
Abstract: 544,591. Holders for coils of steel band &c. PINFOLD. W., and GERRARD INDUSTRIES. Ltd. Oct. 17, 1940, No. 15399. [Class 18] A coil 1 of steel band, &c. is fitted on a centre disc 2 and the inside end 3 of the band engaged with a slot 4, the securing wires of the coil being engaged with nicks 5. The disc is mounted in a holder consisting of two A-shaped frames connected by rivets having distance pieces by means of a detachable securing pin 10 having a pivoted cross key 11. The free end of the steel band passes between rollers 13 and a pivoted bar 14 serves as a brake and may if desired be weighted or spring pressed. A handle 15 is provided.
Patent GB-1001802-A (GB)
Title: Improvements in or relating to sand coated with a resin for the hot-box method of manufacture of foundry cores
Inventor: PARKES ERIC
IPC: C08G16/02
Filed: 1963-04-19
Abstract: A resin-forming composition is obtained by reacting 2.25 to 4.5 moles of formaldehyde with 1 mole of phenol in the presence of furtural alcohol under aqueous alkaline conditions.  The product is mixed with sand, a curing agent, and optionally a secondary binding agent such as a rosin to give foundry mould compositions. Urea may also be included to react with excess formaldehyde.  The curing agent may be a mixture of an acid and an ester which decomposes to release further acid during curing, e.g. a mixture of p-toluene sulphonic acid and an alkyl ester thereof.
Patent GB-370241-A (GB)
Title: Improved fastening for hand-bags and the like
IPC: E05B65/52
Filed: 1931-05-27
Abstract: 370,241. Bag &c. fastenings. KAYSER, E., (trading as MONCH, J.), 64, Frankfurter Strasse, Offenbach - on - Main, Germany. May 27, 1931, No. 15521. Convention date, July 7, 1930. [Class 44.] A flat hook member h is secured to the flap of the bag by a clip member i and is adapted to enter a flat socket-member b secured to the body of the bag by tongues c and to be retained therein by a projection g on a leaf-spring secured at one end e behind the back-plate a of the socket, the plate having an aperture through which the projection extends into the socket. Release is effected by a press-button f carried by the spring and extending out of the front of the socket. An ejector may be provided which automatically moves member h out of the socket when released comprising a slidable member k depressed by the hook to compress an ejector spring l. 'The fastening may be locked by a key-operated sliding member m adapted to engage a recess in the button f to prevent its depression.
Patent GB-1495340-A (GB)
Title: Gearbox control apparatus
IPC: F16H61/34
Filed: 1975-04-15
Abstract: 1495340 Change-speed control SOC ANON DE VEHICULES INDUSTRIELS ET D'EQUIPEMENTS MECHANIQUES SAVIEM 15 April 1975 [25 April 1974] 15525/75 Heading F2D  Gear shift mechanism 5 situated on one side of a vehicle is operated by a shift lever 3a on the other side through mechanical connections between a pair of similar supports 28, 29. The support 28 carries a journal 34 rotatable about a  first axis and bored to receive a shaft 36 rotatable about a second axis transverse to the first, one end of the shaft having fixed to it the shift lever 3a and the other end an arm 42. Motion of the lever 3a about the first axis is transmitted through a ball joint 53 with cross-pin 54 in  slots 50 and a shaft 52 to a similar journal in the support 29, and motion of the lever 3a about the second axis is transmitted through the arm 42 and a rod 47 with a ball-and-socket joint 54 at each end to an arm 7a mounted on a shaft corresponding to the shaft 36 and connected to the mechanism 5. The support 28, journal 34 and shaft 36 may be bored to receive a pin for locking the mechanism in the neutral position. Adaptation to left-hand drive is effected by mounting the shift lever on the support 29.
Patent GB-475666-A (GB)
Title: Improvements in or relating to the tanning of leather or hides with mineral tanning agents
IPC: C14C3/06
Filed: 1936-06-03
Abstract: 475,666. Tanning. DEHN, F. B. (Chemische Fabrik Gr³nau, Landshoff, & Meyer Akt.-Ges.) June 3, 1936, No. 15547. [A Specification was laid open to inspection under Sect. 91 of the Acts, Dec. 28, 1936.] [Class 76] Hides &c. are tanned with trivalent chromium or ferric compounds in the presence of high molecular albumen cleavage products, the chromium or iron compounds being used in a proportion corresponding to not more than one part of chromic or ferric oxide to six parts of albumen product. Suitable albumen compounds are of the type of lysalbinic or protalbinic acids. Owing to the presence of the albuminoid compounds it is possible to make the tanning lyes less acid than usual and even slightly alkaline.
Patent GB-754025-A (GB)
Title: Improvements relating to filter bags for suction cleaners
IPC: B01D46/02
Filed: 1954-05-26
Abstract: 754,025. Suction cleaner filter bags. HOOVER, Ltd. May 26, 1954 [May 28, 1953 ; May 28, 1953], No. 15556/54. Class 8(2). [Also in Groups VIII and XVII] The neck 23, Fig. 1, of a suction cleaner filter bag 22 comprising a tubular body of porous paper has thin-walled thermoplastic tubes 31, 32, Fig. 3, bonded to it on both the inside and outside e.g. by the application of heat and pressure. The body is so pleated throughout its length that when the neck 23 is gathered round the inner tube 31 the inner and outer fold lines 29, 30 at the edges of the upper and lower webs are spaced slightly apart and the tubes 31, 32 project outwardly from the neck and are themselves bonded together. The other end of tube 31 projects into the bag to provide a dirt trap and the unbonded end of the outer tube 32 serves as a resilient girdle to protect the inflated bag during bending. The bonded ends of the tubes are cut obliquely at 53 to assist sliding over an adapter tube 21 connected by a flexible bellows 20 to the cleaner exhaust duct 17. In a modification the outer plastic tube 74, Fig. 8 forms the flexible connection between the pleated filter bag 59 and a rigid adapter tube 60 locked to the exhaust duct 11 or made integral therewith. The overlapping ends of tubes 60, 74 are cut obliquely at 80, 76 and a notch registers with a locating boss on the outside of the adapter tube 60.
Patent GB-707273-A (GB)
Title: Improvements in or relating to core bits
Inventor: CATALLO LEO
IPC: E21B10/48
Filed: 1952-06-20
Abstract: 707,273. Diamond core-bits. WHEEL TRUEING TOOL CO. June 20, 1952 No. 15579/52. Class 124 [Also in Group XXI] A core-bit comprises a round-ended annular body carrying abrasive particles and having water grooves passing over the end from the inside to the outside dividing the bit into sector-shaped portions, and auxiliary water grooves extending from the middle of the sector-shaped portions over the outer surface. As shown, an annular body has water grooves 20 extending over the rounded working face from the inside surface 12 to the outside surface 13, and rows of diamonds R extending parallel to the grooves. Auxiliary water grooves 22 are provided starting from the middle of the sectorshaped portions formed by the main water grooves and extending over the outer surface 13. The diamonds on the inner and outer surfaces are flush with the surface, while those on the rounded working end protrude from the surface.
Patent GB-1168705-A (GB)
Title: Butene Polycarboxylic Acid and its Esters, method of preparation thereof
IPC: C07C69/716
Filed: 1967-04-05
Abstract: 1168705 Butene polycarboxylic acid and esters thereof TOYO RAYON KK 5 April 1967 [6 April 1966 (2) 4 May 1966 (2)] 15668/67 Headings C3B BID2C BIN4X BIN6E BIN6H and BIN7 Novel butene polycarboxylic acid esters of the general Formula:- where X is -CN, -COOR 1 , -COR 2  or -CONR 3 R 4 , R 1 , R<SP>1</SP>, and R<SP>11</SP> are the same or different and represent alkyl, alkenyl, aryl, aralkyl or cycloalkyl, R 2  represents hydrogen, alkyl or aryl, and R 3  and R 4  represent alkyl, naphthyl or phenyl or together represent an alkylene or oxyalkylene groups having 4 or 5 carbon atoms, and where R 1 , R2, R3, R4, R<SP>1</SP> and R<SP>11</SP>, when they are alkyl, alkenyl, aryl, aralkyl, cycloalkyl, phenyl or naphthyl, are optionally substituted by a halogen atom or hydroxyalkyl or alkoxy groups, are prepared by reacting at least one acrylic compound selected from the group consisting of acrylonitrile, acrylic acid esters, acrolein, vinyl ketones and N,N-disubstituted acrylic amides with at least one ethylene dicarboxylic acid ester selected from the group consisting of maleic acid esters and fumaric acid esters in the presence of a tertiary phosphine or tertiary phosphoamide. The reaction system may include a polymerization inhibitor, and the atmosphere is preferably non-oxidizing. Free 3-butene 1,2,3-tricarboxylic acid is formed by hydrolysis of the esters of the above general Formula, and the ester groups of the 3-butene polycarboxylic acids may be converted into other ester groups by reaction in an alcohol in the presence of an ester-interchange catalyst. 3-Butane polycarboxylic acids or their esters are prepared by catalytic hydrogenation of the 3-butene compounds. Dimethyl methyleneglutarate is formed as a by-product in the reaction of methyl acrylate with dimethyl maleate. Dimethyl maleic anhydride is prepared by heating 3-butene-1,2,3,-tricarboxylic acid to 220‹ to 230‹C in a nitrogen stream.
Patent GB-344297-A (GB)
Title: Improvements in and relating to turbine wheels
IPC: F01D5/22
Filed: 1930-05-22
Abstract: 344,297. Steam turbines. INTERNATIONAL GENERAL ELECTRIC CO., Inc., 120, Broadway, New York, U.S.A.- (Assignees of Allgemeine Elektricitõts-Ges. ; 2, Friedrich Karl Ufer, Berlin.) May 22, 1930, No. 15795. Convention date, May 22, 1929. Addition to 343,782. [Class 110 (iii).] In an arrangement in which, as in the parent Specification, an air-gap d is left between the shrouding b and the bridge-piece c connecting adjacent segments, the shroud and the bridge-piece are separately supported on the blade tips of one segment. In Fig. 2 the tips of the blades a are formed with shoulders f, g for the parts b, c. In Fig. 5 a sleeve h is fitted between them.
Patent GB-580464-A (GB)
Title: Loop-taker transmission mechanism for turning stitching sewing machines
IPC: D05B57/30
Filed: 1944-08-18
Abstract: 580,464. Sewing-machines. FAIRWEATHER, W. C. (Singer Manufacturing Co.). Aug. 18, 1944, No. 15810. [Class 112] In a machine of the kind in which the needle 9 is pro gressively rotated and the loop-taker 39 and its carrier 44 are correspondingly rotated, the loop-taker being carried by a horizontal shaf 41 and driven through beve gears 48, 49, the effect on the timing of the loop-takerof the rolling of the bevel gear 48 on the gear 49 as the carrier 44 revolves is com pensated for by jncorporating in the loop-taker drive plane. tary gearing 55, 56 carried by a gear 59 rotated by a gear 65 on the carrier-rotating shaft 27 and arranged so as to produce an equal and opposite effect to the rolling of the bevel gears In the machine shown, the planetary gearing is driven by a belt from the upper shaft 5 of the machine, and the planet wheel 56 drives the shaft of the bevel gear 49 through a universal joint and bevel gears 63. The rotation of the needle and the looper-carrier is derived from a shaft 27 driven through a one-way clutch 34 by.a rockshaft 31 which is oscillated by a pitman 29 from an eccentric on the upper shaft .5; a fixed oneway clutch 38 in opposition to the clutch 34 prevents any back motion of the shaft 27. The needle is vibrated laterally in its carrier by known means including a pitman 12 connected to a horizontal lever which is engaged by a cam driven by spiral gears 17 from the shaft 5.
Patent GB-1099552-A (GB)
Title: Process for the production of secondary amines
IPC: C10M159/12
Filed: 1965-04-13
Abstract: Detergent additives for lubricating oils consist of secondary amines prepared by reacting ammonia or a C1- 6 primary amine (including polyethylene polyamines) with a polyoxyalkylene derivative of a phenol, alcohol or amine, said derivative containing 5-40 moles of ethylene oxide or propylene oxide units and in all 14-100 carbon atoms, at 200 DEG -240 DEG  C. for at least 2 hours in the presence of a Raney metal catalyst.  Reference has been directed by the Comptroller to Specification 1,033,912.ALSO:Secondary amines containing polyoxyalkylene groups are prepared by reacting ammonia or a C1- 6 primary amine with a polyoxyalkylene derivative of a phenol, alcohol or amine, said derivative containing 5-40 moles of ethylene oxide or propylen oxide units and in all 14-100 carbon atoms, at 200-240 DEG  C. for at least 2 hours in the presence of a Raney metal, e.g. nickel, catalyst.  Specified phenols, alcohols and amines are nonyl, octyl, dodecyl and diamyl phenol; sorbitol, mannitol, glycerol, and dodecyl, tridecyl, hexadecyl, octadecyl and octadecenyl alcohol; and lauryl, hexadecyl, octadecyl and rosin amine and fatty diamines. Specified aminating agents and ammonia, methylamine, ethylamine, ethylenediamine, diethylenetriamine and triethylenetetramine.  Reference has been directed by the Comptroller to Specification 1,033,912.ALSO:Secondary amines containing polyoxyalkylene groups are prepared by reacting ammonia or a C1- 6 primary amine with a polyoxyalkylene derivative of a phenol, alcohol or amine, said derivative containing 5-40 moles of ethylene oxide or propylene oxide units and in all 14-100 carbon atoms, at 200-240 DEG C. for at least 2 hours in the presence of a Raney metal, e.g. nickel, catalyst.  Specified phenols, alcohols and amines are nonyl, octyl, dodecyl, and diamyl phenol; sorbitol, mannitol, glycerol, and dodecyl, tridecyl, hexadecyl, octadecyl and octadecenyl alcohol; and lauryl, hexadecyl, octadecyl and rosin amine and fatty diamines. Specified aminating agents are ammonia, methylamine, ethylamine, ethylene diamine, diethylenetriamine and triethylene tetramine. Reference has been directed by the Comptroller to Specification 1,033,912.
Patent GB-1350365-A (GB)
Title: Vehicle anti-lock brake systems
IPC: B60T8/38
Filed: 1972-04-06
Abstract: 1350365 Antiskid braking systems GENERAL MOTORS CORP 6 April 1972 [7 May 1971] 15844/72 Addition to 1312896 Heading F2F In an improvement in or modification of the antilock brake system of Specification 1,312,896, an auxiliary source of fluid pressure in the form of an accumulator 182 is provided to be usable in the event of failure of the pump supply and a check valve in the form of an annular seal 108 communicates fluid to the accumulator whenever the operating fluid pressure is higher than that in the accumulator, a valve being operable in response to overtravel movement of the brake control valve 50 to establish communication between the accumulator and the pistons operating the master cylinders. The system also ineludes a fail-safe arrangement of the anti-lock control valves located between the valve 50 and boosters 26, 28, the braking capability not being compromised upon malfunction of a valve. The circuit includes a normally open valve 64, a first flow rate control valve 206 in parallel therewith and a second flow rate control valve 208 also in parallel therewith and valves 214, 224 which are cyclically controlled by the wheel sensor control logic to provide modified braking when wheel lock is sensed as imminent.