baber/WOPTO huggingface dataset:
Patent GB-1139219-A (GB)
Title: Process and apparatus for continuously polymerizing e.g. polycondensing monomers
IPC: C08G69/16
Filed: 1966-01-14
Abstract: 1,139,219. Continuous process for making polyesters and polyamides. KARL FISCHER APPARATE-U. ROHRLEITUNGSBAU, and CHATILLON SOC. ANON. ITALIANA PER LE FIBRE TESSILI ARTIFICIALI S.p.A. 14 Jan., 1966 [15 Jan., 1965], No. 1944/66. Heading C3R. [Also in Division B1] A liquid monomer or prepolymer material, for example bis-(2-hydroxyethyl) terephthalate, optionally with esters of isophthalic acid; or a prepolymer of polycaprolactam may be polymerized by continuously feeding a stream of the material towards a receiving zone of the inner surface of a reaction vessel, spreading the material in a thin layer over the surface, causing it to move, while being heated and polymerized, towards a discharge zone, and removing any vapour evolved (see Division B1).
Patent GB-878739-A (GB)
Title: Condensed alkali metal phosphates
IPC: B01J19/24
Filed: 1960-01-19
Abstract: <PICT:0878739/III/1> Condensed alkali-metal phosphates are prepared by spraying a mixture of phosphoric acid and alkali-metal chloride, which may be as a solution of the chloride in dilute aqueous phosphoric acid or a suspension of the chloride in phosphoric acid, into a reaction chamber which contains a hot gas, the outside walls of the chamber being cooled in such a manner that a protective layer of solid reaction product, of 2-250 mm. thickness, is formed and maintained on the inside walls.  The temperature of the gas in the chamber is preferably above the melting point of the reaction product.  Additional water vapour may be introduced into the reaction chamber.  Condensed alkali-metal phosphates include polyphosphates, pyrophosphates, triphosphates and metaphosphates, including Kunol and Graham salts, phosphate glasses, acid phosphate glasses, and mixtures.  The Figure illustrates a suitable reaction chamber, in which air and a fuel gas are introduced and burnt via nozzle 3.  The alkali-metal chloride-phosphoric acid mixture is introduced via nozzles 2, and the condensed phosphate product is removed via 8.  The exterior of the reaction chamber is cooled by air-jets 5.  Gases leave the reaction chamber via 9, and after washing out entrained phosphate particles, may be worked up to hydrochloric acid.
Patent GB-678398-A (GB)
Title: Control systems for aircraft engines
IPC: F02D29/00
Filed: 1946-05-06
Abstract: 678,398. Fluid-pressure servomotor-control systems. BENDIX AVIATION CORPORATION. May 6, 1946 [May 29, 1945], No. 2010/50. Divided out of 678,361. Drawings to Specification. Class 135. The subject-matter of this Specification is identical with that described in Specification 678,361 but the claims differ. Specifications 678,396, 678,397 and 678,440 also are referred to.
Patent GB-196672-A (GB)
Title: Improvements relating to amido phenol compounds
IPC: C07C215/76
Filed: 1922-01-24
Abstract: A compound of 2 : 4-diamidophenol with tin chloride is prepared by treating 2 : 4-dinitrophenol with sufficient tin and hydrochloric acid or by boiling 2 : 4-diamidophenol with stannous chloride and hydrochloric acid, and precipitating with concentrated hydrochloric acid; the product may further be dissolved in water, sulphur dioxide passed in, and a product containing sulphur dioxide in addition to the tin chloride obtained.
Patent GB-675092-A (GB)
Title: Improvements relating to combustion systems of gas-turbine engines
Inventor: JOHNSON FRANCIS MURRAY
IPC: F23R3/32
Filed: 1949-01-25
Abstract: 675,092. Generating combustion products under pressure. ROLLS-ROYCE, Ltd. Feb. 8, 1950 [Jan. 25, 1949; April 12, 1949], Nos. 2072/49 and 9948/49. Class 51 (i). [Also in Group XI] Combustion equipment for a gas turbine engine comprises an atomizing fuel injector 12 and a vaporizing fuel injector 42, the latter including a heat exchange device which comprises a coiled tube 49 defining a cylindrical or conical surface which surrounds and bounds wholly or in part a space within which burns the spray of fuel from the atomizing injector. Fuel is led into the vaporizing injector at the downstream end of the coil 49 and is delivered through a nozzle 51, together with air induced. through an air inlet, into the annular air and fuel vapour mixing chamber of the vaporizing injector, from which the mixture passes through the aperture 41 and passage 53 between the baffle plate 40 and flange 46, into the flame tube. The mixing chamber is formed between an inner cylindrical wall 45 and an outer wall 43 of spiral form. Curved deflector plates 52 are arranged on the inner surface of the baffle plate 40 and air inlet apertures 54 are located adjacent the outer sides of the deflectors. The total fuel supply is controlled so that at starting and low loads the fuel passes only to the atomizing injector. According to the first Provisional Specification, the vaporizing fuel injector comprises two tubes of differing diameters, the outer tube being closed at both ends, located co-axially with the atomizing injector, fuel and air being led into the injector into the annular passage between the two tubes and upstream through the inner tube from which it is delivered into the flame tube.
Patent GB-361708-A (GB)
Title: Fluff removal device for looms
IPC: D03J1/00
Filed: 1931-01-22
Abstract: 361,708. Fluff removing device for looms. HILKER, H., 151, Kreuelstrasse, Viersen, Germany. Jan. 22, 1931, No. 2224. [Class 142 (ii).] Dust or fluff is removed, from the yarns or the fabric in looms, by suction apparatus which comprises an exhauster q and receptacle o, the former being connected by means of a pipe m to a mouthpiece a arranged below and extending across the warp threads. The mouthpiece, which is supported by the side walls of the loom, may be mounted so as to be displaceable between the warp beam n, or back beam g, and the healds h or between the healds and the cloth beam (not shown), or if desired mouthpieces, connected with each other by channels, may be mounted on each side of the healds.
Patent GB-942408-A (GB)
Title: Control apparatus for coal-cutting and other machines
IPC: E21C29/00
Filed: 1961-01-20
Abstract: 942,408. Automatic load control; fluidpressure servomotor control systems. EICKHOFF, MASCHINENFABRIK UND EISENGIESSEREI GEB. Jan. 20,1961 [Jan. 22, 1960], No. 2304/61. Addition to 883, 099. Headings G3P and G3R. [Also in Divisions E1 and F2] In a machine such as a coal cutting machine in which, as in the parent Specification, the manual setting of means determining the speed of advance of the machine is overridden in a speed reducing sense by means responsive to the load on the main electric motor of the machine the overriding means is responsive both to the motor current and to the pressure in the hydraulic system comprising a pump drive by the electric motor and feeding an hydraulic motor driving the haulage mechanism for advancing the machine. In one embodiment, hydraulic motors 22, 23 operating e.g. a swinging jib and the haulage mechanism respectively and controlled by a valve 6 as in Specification 876, 236 are fed by the pump 1 the displacement of which in either sense from a neutral point is adjusted by a follow-up servomotor 7 under the control of a valve 8 set manually by a lever 14 acting through springs. ...The valve 8 can be returned towards the neutral point by sevomotors 32, 43 coacting with a cam 42 and responsive, respectively, to pressure in the pump delivery conduit and the electrical load on the motor 4, which drives the pump 1, transmitted through electromagnetic means 44 and a valve 47. A pressure cylinder or ram for adjusting the height of the cutting tool may be incorporated in the hydraulic system. In a modification, the manual setting of the valve 8 is accomplished by fluid pressure under the control of a pivot valve, and the electrical and hydraulic load responsive means act through relay valves on the pilot valve.
Patent GB-489612-A (GB)
Title: Manufacture of fluorene derivatives
IPC: C07C63/49
Filed: 1937-01-27
Abstract: N-Alkyl-N-phenylamides of fluorene-2-mono and -2 : 7 - di - carboxylic acids (the term " phenyl " including homologous radicles) are prepared by treating fluorene with alkylphenylcarbamyl halides in the presence of anhydrous aluminium chloride.  The reaction may be effected in the presence or absence of a diluent, e.g. chlorobenzene or p-dichlorobenzene; a fused mixture of anhydrous aluminium chloride and sodium chloride is also a suitable reaction medium. Fluorene-2-mono- and -2 : 7-dicarboxylic acids are obtained by hydrolysing the products obtained as described above with strong acid or alkaline reagents.  Examples are given of the treatment of fluorene with ethylphenylcarbamyl chloride to yield the N-ethyl-N-phenylamide of fluorene-2-carboxylic acid and the N, N1-diethyl-N, N1-diphenyldiamide of fluorene-2 : 7-dicarboxylic acid; other specified reagents are methylphenylcarbamyl chloride, ethylphenylcarbamyl bromide propylphenylcarbamyl chloride, ethyl-o- (or p-)tolylcarbamyl chloride, and methylxylylcarbamyl chlorides. Examples are given also in which the products of the preceding examples are hydrolysed with aqueous sulphuric acid or alcoholic caustic potash.
Patent GB-231272-A (GB)
Title: Improvements relating to the protection of screw threads in wood or other relatively soft material
IPC: F16B37/12
Filed: 1924-01-30
Abstract: 231,272. Sainter, A. V., Sainter, R. D., and Sainter, P. B. Jan. 30, 1924. Screw sockets.-Screw-threads in wood and like soft materials are protected by inserting into the threaded aperture a thin split sheet-metal tube a and then forcing it into contact with the surrounding threads by screwing in a metal bolt &c. b. Specifications 4735/04 and 160,290 are referred to.
Patent GB-1212735-A (GB)
Title: Growing single crystals
IPC: B01D/
Filed: 1968-01-17
Abstract: 1,212,735. Growing single crystals. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 17 Jan., 1968 [17 Jan., 1967], No.2561/68. Heading ClA. [Also in Division B1]  Single crystals of metal sulphide, selenide or telluride or halogeno-derivatives thereof are grown from solutions of the metal sulphide, selenide or telluride in aqueous hydrogen halide, at a temperature of from 300‹ to 500‹ C., and under a pressure of at least 1000 atmospheres. The compounds employed are substantially insoluble in 2N to 12N solutions of mineral acids at room temperature. The hydrogen halide used as solvent is preferably hydrogen chloride or hydrogen bromide. and has a concentration of from 2N to 12N. The reaction may conveniently be carried out in a quartz ampoule. The examples describe the process in which the high pressure in the ampoule is created by heating the solution after it has been sealed in the ampoule at liquid air temperature, and an external pressure applied to the ampoule, to prevent it bursting, by placing it in an autoclave and adding sufficient solid carbon dioxide so that at the temperature of the reaction the pressure of the carbon dioxide in the autoclave is greater than the pressure inside the ampoule. The following materials are referred to: CuS, Cu 1À8 S, CuSe, Cu 1À8 Se, HgS(red), Hg 3 S 2 C1 2 , SnS, Sn 2 S 3 , CdS, PbS, 5b 2 5 3 , SbSBr, together with the appropriate solvents and temperatures.
Patent GB-1531251-A (GB)
Title: Mushroom and like baskets
IPC: B65D25/32
Filed: 1976-02-09
Abstract: 1531251 Baskets FYLDE BOX CO Ltd 9 Feb 1976 [22 Jan 1975] 2683/75 Heading A4G [Also in Division B8] A basket 10 e.g. for mushrooms or fruit comprises a handle 12 of strip material having at each end a neck portion 12d defining head-pieces 12b for insertion through apertures 11 in the sides of the basket 10. The strip may comprise two plies of cardboard enclosing a stiffening wire 13, or a plastics material, and is pivotable between a carrying position, Fig. 1, and a position in which it is located within the basket 10 for nesting, Fig. 2 (not shown).
Patent GB-759596-A (GB)
Title: Improvements in the preparation of 11-oxygenated steroids
Inventor: CORNFORTH JOHN WARCUP
IPC: C07J71/00
Filed: 1953-01-30
Abstract: 11-Oxygenated steroids, particularly sapogenins, are prepared from the corresponding 12-ketosteroids by the following steps: (a) halogenation to an 11a -halo-12-ketosteroid; (b) reduction of the 12-keto group to 12b -hydroxy with an amphoteric metal hydride; (c) treatment of the product with a base to form the 11 : 12b -epoxide; and (d) cleavage of the epoxide with hydrogen halide to yield the corresponding 11b -hydroxy-12a -halosteroid, which may then in either order by dehalogenated and oxidized to the 11-keto derivative.  In examples (1) hecogenin acetate is brominated in chloroform, and the resulting 11a :23-dibromo hecogenin acetate reduced with sodium borohydride or lithium aluminium hydride to 11a  : 23-dibromo-12b -hydroxytigogenin 3-acetate and a little of the 12a -hydroxy isomer. Treatment of the 12b -hydroxy compound (or the crude mixture of isomers) with sodium ethoxide or potassium hydroxide gives 11 : 12b -epoxy-23-bromotigogenin, which is acetylated with acetic anhydride-pyridine and then treated with hydrogen bromide to give 11b -hydroxy-12a  : 23-dibromo tigogenin 3-acetate.  (2) Oxidation of this compound with chromic acid gives 12a  : 23 - dibromo - 11 - ketotigogenin acetate, which is dehalogenated to 11 - ketotigogenin acetate by refluxing with zinc dust and sodium acetate in acetic acid.  (3) 23-bromo-11 : 12b -epoxytigogenin is reduced with sodium and ethanol to 11 : 12b -epoxytigogenin which is then acetylated, treated with hydrogen bromide giving 12a  - bromo - 11b  - hydroxytigogenin 3-acetate, which is oxidized with chromic acid and finally dehalogenated as in (1) to 11-ketotigogenin acetate.  (4) 12a : 23-Dibromo-11b -hydroxytigogenin 3-acetate is refluxed with Raney nickel in ethyl acetate to yield 11b -hydroxytigogenin 3-acetate.
Patent GB-1148441-A (GB)
Title: Improvements in or relating to a method and apparatus for automatically laying bricks
IPC: E04G21/22
Filed: 1966-01-21
Abstract: 1,148,441. Pre-fabricateing brick walls. DUNCAN STEWART (BONNYBRIDGE) Ltd. 20 April, 1967 [21 Jan., 1966], No. 2772/66. Heading E1S. Apparatus for the automatic vertical prefabrication of cavity brick walls comprises a portal-like framework 1 through which a wall-supporting trolley 6 is moved, the framework supporting an elevator 8 comprising two parallel sets of parallel endless bands 11 with spaced brackets thereon, which elevator transports the bricks from a conveyor 10 to a vertically movable platform 3 carrying the bricklaying apparatus. This apparatus includes a ram 21 for pushing the bricks off the elevator between spring-loaded plates 23 and on to a mortar bed which has been laid from a hopper 9 (Fig. 4), whereafter they are moved horizontally by piston 39, past spring-loaded plates 40, collecting mortar in front of them as they move, and at the next movement of the trolley are passed down into the mortar by a further piston 41 (Fig. 2, not shown). The hopper 9 delivers a charge of mortar to each brick via a passage 33, normally blocked at its lower end by a plate 32, but moved intermittently into a position above a further passage 34 to deliver the charge. The trolley 6 is moved intermittently by apparatus including further piston and cylinder devices 42 (Fig. 7, not shown).
Patent GB-897990-A (GB)
Title: An inspection mirror
IPC: G02B7/182
Filed: 1961-01-24
Abstract: 897,990. Inspection mirrors. RAJAKARUNA, W. E. Jan. 24, 1961, No. 2778/61. Class 97(1). A device for viewing inaccessible parts comprise a mirror 5 mounted on an arm 3, which is pivoted to a bifurcated member 2 secured to the lower end of an elongated hollow handle 1. The arm 3 is spring-loaded at 4 and is engaged by the bent end 7<SP>1</SP> of a rod 7 slidable within the handle 1 and separated by balls 15 from a plunger 12 having a finger plate 13. This plunger 12 is slidable in a sleeve 10 threaded in a bush 9 on a hand hold part 8 of the handle, the sleeve 10 engaging a collar 14 on the plunger 12. In use the position of mirror 5 is adjusted by axial movement of the sleeve 10 and then by depression of the plunger 12.
Patent GB-566760-A (GB)
Title: Adhesive compositions
IPC: A61L15/58
Filed: 1943-02-19
Abstract: An adhesive composition comprises polymethyl methacrylate, a phenol having one or more carboxyl or esterified carboxyl groups in the ring and a volatile solvent with or without a polymerizable liquid. Suitable phenols are salicylic acid and methyl or phenyl salicylates. The polymerizable liquid may be methyl methacrylate, styrene, vinyl chloride and vinyl acetate or liquid partial polymers of these monomers.  Suitable solvents are acetone, methyl ethyl ketone, chloroform, methylene chloride and ethyl chloride. Ester gum, thymol, resorcinol, dibutyl phthalate, tricresyl phosphate, polystyrene, polyethyl methacrylate, titanium oxide, cadmium red and dyestuffs may be added.  The compositions may be mounted on fabric backings to form surgical plasters or used to impregnate woven fabric to form bandages.  In examples: (4) methyl methacrylate, solid polymethyl methacrylate phenyl salicylate, thymol, dibutyl phthalate, titanium oxide, cadmium red and benzoyl peroxide are heated at 60 DEG  C. till thickened.  After cooling, the mass which still contained unchanged monomer was dissolved in methyl ethyl ketone and used to impregnate a bandage; (5) methyl methacrylate, solid polymethyl methacrylate, phenyl salicylate, thymol, and dibutyl phthalate were heated under reflux at 65-75 DEG  C., cooled and dissolved in acetone at 45 DEG C.  The composition was poured into trays forming a film on which a thin linen sheet was placed.  The film with adherent linen was removed from the tray and the other surface similarly covered with linen.  Shapes were formed from the compound sheet to form dressings.
Patent GB-1237872-A (GB)
Title: Improvements in or relating to machines for inserting paper sheets into envelopes
Inventor: BONSCH FRANCOIS RODOLPHE
IPC: B43M5/04
Filed: 1967-07-07
Abstract: 1,237,872. Filling and sealing envelopes. BUSINESS AID INVENTIONS Ltd. 28 June, 1968 [7 July, 1967], No. 2803/71. Divided out of 1,237,871. Heading B8C. The description is identical to that of Specification 1,237,871, but the claims are directed to the translational motion of the two parallel rollers.
Patent GB-561765-A (GB)
Title: Improvements in piles and foundations
IPC: E02D5/66
Filed: 1943-02-19
Abstract: 561,765. Piles. BELL, N. G. Feb. 19, 1943, No. 2818. [Class 68 (ii)] A hollow interlocking pile intended to be driven by means of a pile hammer driving on top of the pile or internally at the bottom, is formed as a continuous wall affording a hollow cylinder open at both ends and is provided with external longitudinal members for laterally interlocking with those of adjacent piles. The Figure shows an arrangement in which the pile is driven by an internal hammer 4, which may be of the type disclosed in Specification 550,492, striking a shoe 5 which draws the pile down by friction set up by wedges 6. A casing 7 excludes water and dirt. In a modification, Fig. 5 (not shown), the shoe rests on a plug of dry concrete, gravel or the like. The interlocking members may be of any type and the tubes may be indented or corrugated to attain strength. The piles may be subsequently filled with concrete. The Provisional Specification also describes means for grouting the interlocks for watertightness and the provision of fins for bonding to concrete and means for, effecting the driving and extraction. Portions of the pile may be thickened for strength and jet holes may be provided for water jetting. An enlarged base may be formed by an explosive charge or otherwise and filled with concrete with reinforcing.
Patent GB-450556-A (GB)
Title: A new or improved vehicle for the delivery of foodstuffs
IPC: B60P3/00
Filed: 1935-01-29
Abstract: 450,556. Road vehicles. CO-OPERATIVE WHOLESALE SOCIETY, Ltd., 1, Balloon Street, TOWNLEY, A., 62, Park Road, Prestwich, [Representative of TOWNLEY, H.], and PHILLIPS, J. A., 5, Monton Road, Eccles, all in Manchester. Jan. 29, 1935, No. 2873. [Class 108 (i)] A vehicle for the carriage of food stuffs such as dairy produce comprises a series of open racks for receiving bottle crates or the like in rows one above the other, the rows being sufficiently far apart to permit ready removal of the bottles without disturbing the crates and a number of cupboards or the like having heat insulating walls arranged above the racks. As shown, a horse-drawn vehicle consists of a floor at two levels a<1>, a<2>, the rear of the vehicle being provided with vertical frames f connected by longitudinal runways g for the crates. The rack frames f terminate forwardly as shown to provide a space h for the driver and on the forward floor level a<1> is arranged a receptacle for further crates, churns, &c. Above the racks a number of cupboards are provided, a cupboard m extending across the rear of the vehicle, and a number, preferably three, of narrow cupboards n arranged forwardly of the cupboard m. A roof k for the driver's cab and a double roof for the crates &c. are provided the double roof allowing cooling air to pass through and emerge at exit o. In another form the vehicle is streamlined and the roof is at one level throughout.
Patent GB-541470-A (GB)
Title: Improvements in or relating to roll film photographic cameras
IPC: G03B17/42
Filed: 1941-03-03
Abstract: 541,470. Roll-film photographic cameras. KODAK, Ltd. March 3, 1941, No. 2882. Convention date, March 12, 1940. [Class 98 (i)] In a roll-film camera, a shutter-setting and a film winding shaft are simultaneously operated by a winding handle until the shutter is set, whereupon the shutter-setting shaft is latched against further movement and the film-winding shaft is disconnected from it until completion of the film-winding operation, when a film-measuring device causes the two shafts to be again connected; so locking the film-winding shaft. As shown, a sleeve shaft 22 carrying a key 24 engaging teeth on the end of the film take-up spool is rotated to wind the film through gears (not shown) operated by a handle on the back of the camera, as described in Specification 513,738. A pinion 23 on the shaft 22 drives a mutilated gear 28 which rotates a pinion 27 carried by a shaft 72 keyed to a shaft 67, one revolution of which winds a focal-plane shutter (not shown) of the kind described in Specification 532,852. The shutter mechanism then latches the shaft 67, and at the same time the shafts 22, 72 are disconnected owing to the mutilated portions 30 of the gear 28 arriving opposite the pinions 23, 27. The gear 28 is latched in this inoperative position by a pawl 35 carried by a hollow shaft 19 which engages the end of one of the toothed sections and holds it against the action of a spring 32 which bears on a pin 31 on the gear and tends to rotate it so that the toothed sections may again engage the pinions 23, 27. Winding of the film is then continued until a tooth 44 carried by a lever 40 pivoted at 41 engages an aperture A in the film. Slight further movement of the film then causes it to swing the lever 40 to the left, the tooth being then disengaged from the aperture in the film by a cam surface 80 moving over a fixed projection 81. A flange 39 on this lever engages between the arms of a yoke 37 carried by the shaft 19, which is thus rocked by the movement of the lever to disengage the pawl 35 which it carries from the gear 28. The spring 32 then rotates this gear until the toothed portions again engage the pinions 23, 27 thus re-connecting the shafts 22, 72 and preventing further winding of the film, owing to the shaft 72 being locked by the shutter mechanism, until the shutter is released. Specification 509,026 also is referred to.