baber/WOPTO huggingface dataset:
Patent GB-866490-A (GB)
Title: Elastomer recovery process
IPC: C08F210/00
Filed: 1960-02-02
Abstract: Synthetic elastomers are recovered from their solution in one or more liquid hydrocarbons, by treating the solution with an aqueous medium at elevated temperature.  Specified elastomers are cis-1, 4-polyisoprene, cis-1, 4-polybutadiene, ethylene-propylene elastomers, butadiene-styrene, propylene-pentene-1, and butadiene-acrylonitrile.  The aqueous media may be hot water, steam or a mixture thereof.  The elastomer solution may be fed through one orifice of a two-fluid nozzle, such as a paint spray nozzle and the aqueous medium fed through the other orifice of the nozzle, the aqueous medium being at a temperature above the lowest temperature at the process pressure at which the mixture of solvent and aqueous medium will commence to boil.  One or more p  rubber chemicals may be mixed with the hydrocarbon solution of the elastomer and/or the aqueous medium before treating the elastomer solution with the aqueous medium, carbon black, stearic acid, palmitic or a disproportionated rosin acid and alkali metal soaps of fatty acids being specified.
Patent GB-929142-A (GB)
Title: An improved lashing anchorage for freight stowage compartments of aircraft and other vehicles
Inventor: COTTON RAYMOND ARTHUR
IPC: B61D45/00
Filed: 1961-01-31
Abstract: 929,142. Stud-and-socket fastenings. SHORT BROS. & HARLAND Ltd. Jan. 5, 1962 [Jan. 31, 1961], No. 3671/61. Class 44. A lashing anchorage for use in the freight storage compartments of aircraft and other vehicles whereby objects may be secured to points on the floor but which can be removed when not required so as to leave the floor unencumbered, comprises a base 10 adapted for permanent incorporation in the floor structure so that its surface is substantially co-planar with the floor surface, the base having a non- circular aperture 14, a housing 15 adapted for engagement with said base and to be locked thereto by the engagement of a plug-like portion 151 which when in a given angular position relative to an axis normal to the floor surface can be inserted through said base aperture but cannot be retracted when the housing is partially rotated from said position, means 16 for locating the housing in such partially rotated position, a swivel fitting 17 mounted in said housing for rotation about said axis and a swivel link 19 pivoted on said swivel fitting. The means 16 for locating the housing in the partially rotated position is a spring-pressed plunger which engages a groove 101 in the base 10.
Patent GB-396428-A (GB)
Title: A new or improved method of treating wool
IPC: D01B3/10
Filed: 1932-02-03
Abstract: 396,428. Obtaining wool from skins. GOUGH, A., 163, Broad Street, Birmingham. Feb. 3, 1932, No. 3185. Drawings to Specification. [Class 76.] In obtaining wool from skins, after removal from a softening and cleaning bath the pelts are squeezed between rollers to remove excess moisture, the wool is then removed in known manner and dried. The Specification describes a wringer and conveyer for the skins of usual type.
Patent GB-1529667-A (GB)
Title: Device for actuating a sheathed control cable
IPC: F16C1/16
Filed: 1977-01-31
Abstract: 1529667 Bowden mechanisms SIMCA SOC INDUSTRIELLE & COMMERCIALE DE MATERIEL AERONAUTIQUE 31 Jan 1977 [13 Feb 1976] 03796/77 Heading F2K Actuation of a Bowden cable 6, 8, e.g. for operatively releasing the back of vehicle seats (not shown), is effected by a push-button or plunger 10 having an inclined (frusto-conical, as shown) cam ramp surface 11a, 11c, which, via a ball 13, engages within an aperture 4 of a traction member 3 slidably mounted in grooves 2 of a housing 1 and connected at 7 to the inner core 6 of the Bowden cable, the outer sheath 8 of the cable being supported via an abutment 9 on the casing 1. The free end of the push-button is slidably journalled in a guide bush 12 in the casing 1. Depression of the pushbutton 10 slidably moves the member 3 in the grooves 2 to effect operation of the cable core 6 against a return spring at the other end of the cable (not shown). The frusto-conical cam ramp portion 11a on the push-button 10 may alternatively be replaced by a rectangular section portion having an oblique flat cam ramp in contact with the ball 13.
Patent GB-660895-A (GB)
Title: Improvements in methods of diazotising aromatic amino-compounds containing sulphonic acid groups
IPC: G03C1/54
Filed: 1949-02-11
Abstract: Aromatic amino compounds containing a sulphonic acid group are diazotized by means of an inorganic diazotizing agent in a liquid substantially consisting of a mixture of water and one or more water-soluble aliphatic ketones.  The percentage of ketone in the liquid is preferably 20-75 per cent by volume, and at least part of the diazotization is advantageously effected at 20-56 DEG  C. When diazotizing an acid aromatic amino compound (i.e. one containing more acid than basic groups) by means of a metal nitrite, the presence of the ketone, of which a further quantity may be added after diazotization, often causes the diazo compound to separate out in the form of its salt with the metal of which the nitrite was employed. In examples: (1) 6-methyl-2-aminophenol-4-sulphonic acid is stirred with nitric acid, water and acetone, and an aqueous solution of sodium nitrite is added, followed, after stirring, by more acetone to precipitate the sodium salt of the diazo compound; (2) a solution of 6-methyl-2-aminophenol - 4 - sulphonic acid and sodium nitrite in aqueous caustic soda is added to a mixture of nitric acid and acetone, and, after filtration, more acetone is added to precipitate the sodium salt of the diazo compound; (3) 6-methyl - 2 - aminophenol - 4 - sulphonic acid is added to a mixture of acetone or butanone, water and nitric acid into which nitrous gas has been passed; (4) 1-amino-4-dimethylaminobenzene-2-sulphonic acid is diazotized as in (1) except that the nitric acid is replaced by fluoboric acid; (5) 1-amino-2-naphthol-4-sulphonic acid is diazotized as in (1) except that the nitric acid is replaced by hydrochloric acid.  Specification 10235/04, [Class 2], and German Specifications 172,446, 175,593 and 176,618 are referred to.
Patent GB-214765-A (GB)
Title: Improvements in and relating to the production of anthraquinone bodies
IPC: C07D209/48
Filed: 1923-02-08
Abstract: Anthraquinoneimides of dibasic acids are obtained by heating a halogen-anthraquinone with an imide of a dibasic acid in the presence of copper and an acid absorber; the latter may be omitted when a metal salt of the imide is employed.  The imides yield amino-anthraquinones upon hydrolysis, for example, with concentrated sulphuric acid; by partial hydrolysis of phthalimidoanthraquinones, o-carboxybenzoylaminoanthraquinones are obtained.  According to examples 1-phthalimidoanthraqui none is obtained from 1-chloranthraquinone and phthalimide with or without addition of nitrobenzene and is hydrolysed with sulphuric acid to 1-aminoanthraquinone; unchanged halogen derivative may be removed at the hydrolysis stage by partially diluting the sulphuric acid solution and filtering; the following compounds are similarly obtained:-1 : 5-diphthalimido-, 1 : 5-diamino-, 1-chlor-5-phthalimido-, and 1-chlor-5-amino-anthraquinones from 1 : 5-dichloranthraquinone; 4-phthalimido- and 4-amino-1-methylamino-2-bromanthraqinone from 1-methylamino-2 : 4-dibromanthraquinone; 1-phthalimido-2-nitro- and 1-amino-2-nitro-anthraquinones from 1-chlor-2-nitroanthraquinone; 1-amino-2-methyl-4-phthalimido- and 1 : 4-diamino-2-methyl-anthraquinone from 1-amino-2-methyl-4-bromanthraquinone; 1-methylamino-4-phthalimido- and 1-methylamino-4-amido-anthraquinones from 1-methylamino-4-bromanthraqinone; 1-phthalimido-2-amino- and 1 : 2-diamino-anthraquinones from 1-chlor-2-aminoanthraquinone; 2-phthalimido-, 2-o-carboxybenzoyl-amino-, and 2-aminoanthraquinones from 2-bromanthraquinone; 1-succinimidoanthraquinone and a partial hydrolysis product thereof from 1-chloranthraquinone and succinimide. The production of amino-derivative from 1 : 8-dichloranthraquinone, 1-chlor-4- or 5-nitroanthraquinone, and 1-chlor-4-oxyanthraquinones is also referred to.
Patent GB-819650-A (GB)
Title: Preparation of cyclopentanopolyhydrophenanthrene compounds
IPC: C07J5/00
Filed: 1956-02-07
Abstract: 5,6 - Dichloro - 3 - hydroxycyclopentanopolyhydrophenanthrene compounds of the pregnene series, containing at least one keto group, are prepared by reacting the corresponding 3-hydroxy-5,6-dichloro compounds containing at least one additional secondary alcoholic group with an oxidizing agent of the positive halogen type, e.g. chlorine, N-haloamides, hypohalites.  The preferred reactant 5,6-dichloro-3b ,20-dihydroxypregnane is formed from a D 16-5,6-dichloro - 3b  - acyloxy - 20 - ketopregnene by treatment with alkaline H2O2 followed by reduction of the resulting 3b -hydroxy-16a ,17a -epoxide with an alkali metal aluminium hydride.  The oxidation process is preferably effected with chlorine in an alkanoic acid, particularly acetic acid containing sodium acetate, or with an N-haloamide in a tertiary alkanol, methanol, or their mixtures with chloroform, particularly in the dark and with a tertiary amine catalyst.  Specified agents are chlorine, N-bromoacetamide, N - bromosuccinimide, N - chloroacetamide and t-butyl hypochlorite, and the products include: 5,6-dichloro-3b -hydroxy-20-keto-21-acyloxypregnanes, their 17a -hydroxy analogues, 5,6-dichloro-3b -hydroxy-11-keto-pregnane, its 17a -hydroxy, 20-keto- and 21-acyloxy derivatives, 5,6-dichloro-3b ,17a -dihydroxy - 11,20 - diketopregnane, its 21 - acyloxy derivatives, 5,6 - dichloro - 3b  - hydroxy - 11,20-diketo - 21 - acyloxypregnanes, 5,6 - dichloro-3b  - hydroxy - 20 - ketopregnane, its 17a -hydroxy analogue and 5,6-dichloro-3b ,17a -dihydroxy - 11 - keto - 21 - acyloxypregnanes. It is stated that 5,6-dichloro-3b ,17a -dihydroxy-20 - ketopregnane can be brominated in the 21-position, treated with potassium acetate in acetone and oxidized with chromic acid to 5,6-dichloro - 17a  - hydroxy - 3,20 - diketo - 21 - acetoxypregnane, which with chromous chloride yields D 4 - 17a  - hydroxy - 3,20 - diketo - 21-acetoxypregnene and on hydrolysis Substance S.  In examples: (1) Cl2 oxidation of 5,6-dichloro3b ,17a ,20-trihydroxypregnane in acetic acid containing sodium acetate yields 5,6-dichloro-3b ,17a  - dihydroxy - 20 - ketopregnane; (2) 5,6-dichloro - 3b ,20 - dihydroxypregnane likewise gives 5,6 - dichloro - 3b  - hydroxy - 20 - keto-pregnane; (3) D 16-5,6-dichloro-3b -acetoxy-20-ketopregnene with alkaline H2O2, the resulting 16a ,17a  - oxido - 5,6 - dichloro - 3b  - hydroxy-20-ketopregnane reduced with LiAlH4 to 3b ,17a ,20 - trihydroxy - 5,6 - dichloropregnane, which with N-bromoacetamide in aqueous methanol containing pyridine gives 3b ,17a -dihydroxy-5,6-dichloro-20-ketopregnane.  5,6 - Dichloro - 3b ,20 - dihydroxypregnane is prepared by chlorination of D 5-pregnene-3b ,20 diol.  D 16 - 5,6 - Dichloro - 3b  - acetoxy - 20 - keto pregnene is prepared by chlorination of D 5,16-3b  - acetoxy - 20 - ketopregnadiene in chloroform-carbon tetrachloride containing pyridine.  Reference has been directed by the Comptroller to Specification 778,334.
Patent GB-361206-A (GB)
Title: Improvements in spring washers
IPC: F16B39/24
Filed: 1931-02-07
Abstract: 361,206. Washers. JENSEN, O. V., 30, Livjaegergade, Copenhagen. Feb. 7, 1931, No. 3924. [Class 89 (i).] A washer 1 has teeth 5 on both faces, those on one face being staggered in relation to those on the other face by from one-half to two-thirds of the washer's thickness.
Patent GB-471805-A (GB)
Title: Improvements in or relating to hydraulic and other valves
IPC: F16K31/44
Filed: 1936-02-10
Abstract: 471,805. Valves. CROWE, H., and CROWE, H. M. Feb. 10, 1936, No. 3957. [Class 135] In a control valve for a single-acting hydraulic piston the inlet and exhaust valves A<5> and A<6> respectively are arranged parallel in a valve body with their actuating spindles at opposite ends of the body and connected by levers L<1>, L<2> and a link L<3>. An extension of the lever L<1> forms a common actuating member for the two valves which on being moved to the right opens the inlet valve A<5>, the end of the lever L<2> coming up against a fulcrum stop P<2>, and on being moved to the left opens the exhaust valve A<6>, the end of lever L<1> moving about a fulcrum stop P<1>. In the central position shown, both valves are closed. The pressure fluid is supplied to an inlet passage B<1> and passes to the power cylinder through a passage C<1>, the exhaust taking place through a passage E<1>. In an arrangement for a double-acting hydraulic cylinder, two exhaust valves are provided at one end of the valve body and the two inlets at the other end, the valves being connected by links and levers and a rocking shaft so that they are actuated by a single member which opens one inlet and one exhaust valve when moved in one direction and the other two valves when moved in the opposite direction.
Patent GB-306032-A (GB)
Title: Improvements in or relating to optical compensating systems for continuous feed cinematographic projectors or cameras
IPC: G03B41/04
Filed: 1929-02-07
Abstract: 306,032. Pittaluga di Silvio, G. Feb. 14, 1928, [Convention date]. Kinematograph apparatus.- In continuousfeed apparatus, optical compensation is effected by reflectors between the lens and film, one reflector, adjacent the lens, being stationary, and another, adjacent the film, being moved at the same speed as the film. As shown, the fixed and moving prisms, 12, 11, respectively, co-operate with a prism 10 which is moved vertically at half the speed of the prism 11 so as to preserve constancy in the length of the light path between the lens and film. The prisms 10, 11 are moved by two cams 3 on a shaft 9 geared to the shaft carrying a feed sprocket. The shaft 9 carries a flywheel 17 and drives a shutter 4 through bevel gearing. The shaft of the sprocket 1 may be moved about the shaft 9 to effect film centring.
Patent GB-591287-A (GB)
Title: Improvement in method of trimming gates of die castings
IPC: B22D31/00
Filed: 1945-02-19
Abstract: 591,287. Casting-machines. COTTRELL, H. L. (Crown Fastener Corporation). Feb. 19, 1945, No. 4171. [Class 83 (i)] Extracting castings.-A pressure die casting 15 is removed from the opened die 10, 11 by a core 20 and then held by it while a trimmer 12 severs the runner 24 and then a stripper 13 removes the casting which is a finished article except where plating &c. is required. While the dies 10, 11 are closed and the core 20 is in broken-line position, molten metal is injected by a nozzle 22. The dies are then opened and the core is moved down, the stripper 13 being in withdrawn position. The trimmer is then moved to broken-line position to sever the runner 24, the stripper is advanced to the position shown and the core is returned to brokenline position to remove the casting. In a modification, the trimmer and stripper are combined as a tool 31, Fig. 3, through which the core passes. After injection the dies open and the core is raised, a projection 30 knocking off the runner and then the casting being stripped by the tool 31.
Patent GB-433058-A (GB)
Title: Improvements relating to cardboard boxes
IPC: B65D5/22
Filed: 1934-02-08
Abstract: 433,058. Folding boxes. COUTTS & CO., Ltd., C. A., 39, Brewery Road, Holloway, London, PEACOCK, A. M., 57, Pasture Road, Wembley, Middlesex, and BREED, H. W., 93, Lennard Road, Beckenham, Kent. Feb. 8, 1934, No. 4241. [Class 18] Folding cardboard &c. boxes of the kind in which down-turned flanges such as 10 at the upper edge of opposite panels engage over or interlock with inturned flanges such as 7 at the vertical edges of adjacent panels, have the downturned edges 10 secured as by stapling at 11 along a line at or slightly above the level of the upper edges of the inturned flanges 7 such flanges 7 terminating short of the upper edges of the adjacent panels carrying the flanges 10. A crease-line 12 facilitates the engaging of the flanges and the connection may be further secured by a flap 14 on a flange 13 which engages a slit 15. Panels 1 are integral with the bottom, while panels 3, 4 are separate and are secured by staples 6 or by stitching &c. Adjacent sides are secured together by staples 8. A flanged lid 17 is also provided and may be separable or secured by staples 19, crease lines 20 facilitating holding. Two carrying loops may be provided secured at the mid-joints of the mouth flanges and passing outwardly through the box walls.
Patent GB-1163455-A (GB)
Title: Improvements in or relating to Entry Rollways for Rake Cooling Beds
IPC: B65G25/00
Filed: 1967-01-30
Abstract: 1,163,455. Rolling. VERWALTUNGSGESELLSCHAFT MOELLER & NEUMANN OFFENE HANDELSGESELLSCHAFT. 30 Jan., 1967 [11 Feb., 1966], No. 4405/67. Heading B3M. An entry rollway, from which rolled stock is conveyed to either of sections A and B of a rake-type cooling bed, comprises inclined rollers 1 between which are positioned retarding members 2 which can be raised and lowered between positions I, II and III. When a retarding member 2 is raised to position II, stock 14 is braked and can be shifted by movable rakes 12 on to the section A. Upon raising the members to position III, cylindrical segments 22, which are moved in synchronism with the member by a common drive, are moved to the position shown and cause stock 14<SP>11</SP> to be moved to the left against a face 16. Movable rakes 18 of the section B can then shift the stock from the members 2. By reversing the drives of the rakes 12 and 18, stock can be moved from either section to the rollway, or be moved from one section to the other. The sections A and B may lie at the same level, and the segments may be replaced by independently driven rails which project through slots in the members. An actuating rod 4, Fig. 2, moves the member 2, by means of bell crank levers 5 and the segments 22, by a rod 28, the segments being pivoted at 24 to the member and being interconnected by a link 32. The geometry of the linkages causes the segments 22 to be moved above the upper edge of the member 2 when the member is lifted above position II.
Patent GB-1431633-A (GB)
Title: Process for producing carbonyl derivatives
IPC: C01B32/80
Filed: 1974-01-30
Abstract: 1431633 Gold-carbonyl chloride SNAMPROGETTI SpA 30 Jan 1974 [5 Feb 1973] 04426/74 Heading C1A Gold-carbonyl chloride and phosgene are produced by allowing a solution of gold trichloride in thionyl chloride to absorb carbon monoxide. The reaction may be carried out at ambient pressure and temperature. The absorption of carbon monoxide by gold trichloride may be carried out in the vessel in which the latter compound is produced (e.g. by reacting hydrated tetrachloroauric acid with thionyl chloride) without its separation. Additionally, the gold-carbonyl chloride produced may be reacted with chlorine to produce gold trichloride which is reacted with carbon monoxide to produce more phosgene.
Patent GB-321126-A (GB)
Title: Improvements relating to tapping or screw-threading operations
IPC: B23G1/16
Filed: 1929-02-11
Abstract: 321,126. Berkel, C. F. M. van, Duyn, A. van, and Weenen, F. L. van. Feb. 11, 1929. Attachments for screwing and tapping.-An attachment for a rotarv spindle machine to enable a tap &c. to be rotated alternately through an angle in the working direction and through a smaller angle in the opposite direction, after the manner described in Specification 311,591, has an epicyclic gear for rotating the toolholder and an eccentric for varying the motion of the planet wheels periodically. The attachment comprises a hollow spindle d adapted for connection to the uniformly rotating spindle a of an existing machine, and a shaft l slidably connected to the spindle d by a slot 9 and pin 10. A casing h, i, is rotatably supported on the shaft l by ball bearings g and carries a pin 3 to which is pivoted a link 2, Fig. 2, whose other end is pivoted to a sheave n surrounding an eccentric m, Figs. 1 and 2, secured to the shaft l. A sun pinion w on the shaft meshes with planet pinions s which are carried by a ring v and engage an internally toothed ring r secured to a casing x rotatably mounted by ball bearings x<1> in the casing i and carrying the toolholder j. For tapping, the casings h, i, are held stationary by a rod 6, supported by a bracket 5 from a bearing 4 on the spindle a, and the ring v is oscillated by a pin z thereon engaging a radial slot 1, Fig. 2, in the eccentric sheave n, so that the planet wheels s will cause the ring r and the tool-holder j to be rotated in the opposite direction to the spindle a for about 89‹ and then in the reverse direction for about 9‹. When a predetermined depth of hole has been tapped the spindle d and rod 6 are raised bv mechanism of known kind and pins g on the casing h are engaged with recesses f in the spindle d simultaneously with release of the casing h, i, so that the epicylic gear is rendered inoperative and the device as a whole rotates in the same direction as the spindle a to withdraw the tap. The angles through which the tap is rotated in each direction may be varied by varying the size of the sun and planet wheels and the disposition of the link 2, slot 1 and pin z.
Patent GB-546721-A (GB)
Title: Frequency modulation receiver
IPC: H03D3/12
Filed: 1941-04-04
Abstract: 546,721. Frequency modulation. STANDARD TELEPHONES & CABLES, Ltd. April 4, 1941, No. 4508. Convention date, April 9, 1940. [Class 40 (v)] A frequency-modulation receiver comprises a condenser which is charged during half-cycles of the received waves, and discharged through a space-discharge tube during the other half-cycles, the signal being detected as the average value of the condenser charging or discharging current. The incoming frequency-modulated wave after conversion to a lower frequency is applied in opposite phase to the grids of valves 21, 22 to render them alternately conductive. When valve 21 is conductive, a condenser 28 is charged from a battery 25 through the primary coil of a transformer 26, and when valve 22 is unblocked, the condenser discharges therethrough. The average current through the transformer primary is thus proportional to the incoming frequency. In a modification, a single valve is used, and a condenser is charged through a rectifier whilst the valve is blocked, and is discharged through an output transformer when the valve is conductive (Fig. 3, not shown). In Fig. 4 the incoming wave is passed to two separate frequency-chargers 50, 60, the local oscillators 51, 61 being tuned to frequencies which are equally spaced above and below the received frequency. The IF is thus the same for each channel, but the frequency modulation is in the opposite sense in the two channels. After detection at 56, 66 the signal is amplified in the valves 57, 67 and combined in phase opposition.