baber/WOPTO huggingface dataset:
Patent GB-553749-A (GB)
Title: Alkylation process
IPC: C07C2/62
Filed: 1941-12-01
Abstract: 553,749. Alkylating hydrocarbons. SHELL DEVELOPMENT CO. Dec. 1, 1941, No. 15466. Convention date, Nov. 28, 1940. '[Class 2 (iii)] In alkylating hydrocarbons in presence of an inorganic sulphur acid catalyst (H 2 SO 4 , ClHSO 3  or FHSO 3 ) by means of an alkylation catalyst, e.g. isoparaffins by olefines, at least one of the reactants is treated with a substantially hydrocarbon-insoluble strong carboxylic acid (i.e. one having a dissociation constant of at least 1.8 x 10-<SP>5</SP> and preferably of at least 2.0 x 10-<SP>5</SP>) prior to contact with the catalyst so as to prolong the effective life of the catalyst. In examples a cracked gasoline to be used for alkylation of isobutane is heated at 50‹C. with 90 per cent. formic acid, and a pentaneamylene fraction of cracked hydrocarbons is treated with 90 per cent. formic acid at 70‹C. Other acids which may be used are oxalic, malonic, chloracetic, hydroxyacetic, lactic, tartaric, and, less advantageously, acetic acid.
Patent GB-612269-A (GB)
Title: Improvements in and relating to clamps for scaffolding and like structures
IPC: E04G7/14
Filed: 1946-05-22
Abstract: 612,269. Scaffolding clamps. MULDER, R. May 22. 1946. No. 15517. Addition to 603,758. [Class 20(ii)] Consists in a modification of the clamp described in the parent Specification whereby the clamping block 4 is permanently secured to the limbs of the clamp. The block 4 passes through a holed disc 8 mounted between one limb 2 of the clamping strap and an auxiliary limb 6. Detachable stops 10, 11 on the ends of the block 4 are so dimensioned that the ends may pass freely through the holes in the limbs 2, 3 but cannot pass through the hole in the disc which is relatively small.
Patent GB-955511-A (GB)
Title: Triazine derivatives
Inventor: SCHWARZE WERNER
IPC: C07D251/18
Filed: 1961-04-28
Abstract: 5-Triazine derivatives of the general formula: <FORM:0955511/C2/1> in which R1, R2, and R3 are hydrogen or alkyl groups which may be substituted by chlorine atoms; R4 is hydrogen, alkyl or aryl; X is an oxygen, sulphur, or nitrogen bridge between which and the radical R4 there may be an -SO2 group; Y is chlorine or the radical -CC13 are prepared by reacting a compound of the general formula: <FORM:0955511/C2/2> in which Hal is a halogen atom, with a compound H-X-R4, with hydrogen halide being split off. Specification 955,512 is referred to.ALSO:A herbicidal agent contains as active constituent at least one derivative of s-triazine of the general formula: <FORM:0955511/A5-A6/1> in which R1, R2 and R3 are hydrogen or alkyl groups which may be substituted by chlorine atoms; R4 is hydrogen, alkyl or aryl; X is an oxygen, sulphur or nitrogen bridge between which and the radical R4 there may be an -SO2 group; Y is chlorine or the group -CCL3.  The herbicidal agent may also contain a fungicidal and/or insecticidal substance or an adhesive, e.g. casein, alginates and size.  The compounds may be used in an aqueous dispersion, in an organic solvent, as an aqueous emulsion in an organic solvent, or applied to a solid carrier substance.  Examples of liquid and solid carriers are given.  Specification 955,512 is referred to.
Patent GB-1411354-A (GB)
Title: Using electrostatic levitation to reduce the resistance to the high speed movement of ice or oil filled balls in tubes with an explanation of the enigma of the nucleus of the -splittable atom-
IPC: H02N1/00
Filed: 1974-04-05
Abstract: 1411354 Levitated transport system A P PEDRICK 5 April 1974 15538/74 Heading B7L [Also in Divisions F2 and H2] A body moving through a tube is levitated by electrostatic action. The tube through which the body is moved has a lower part 1 coated or formed of a material the surface of which can retain a high intensity of electrostatic charge, whereas the top half 2 of the tube is made of a material which allows electrostatic lines of force to pass straight through. The surface of the body is such as to be capable of retaining a High intensity of electrostatic charge. The body may be a ball of ice 3, or a volume of oil with a surface coating of ice or other easily removable solid material. Alternatively, the body may be a train travelling within the tube.
Patent GB-956393-A (GB)
Title: Boron compounds and their preparation
Inventor: KNOTH WALTER HENRY
IPC: H01G9/022
Filed: 1961-04-28
Abstract: The invention comprises compounds of the formula A2B10H10 where A is a cation derived from a primary or secondary amine or from an organo-substituted hydrazine; the amine or substituted hydrazine should be capable of forming a salt with hydrochloric acid, and may contain an alkylene or morpholine ring. The invention also includes the preparation of an amine salt of the anion B10H1011 by reacting a decaboryl bis (organic sulphide) (prepared by reaction of decaborane and an organic sulphide) with a primary, secondary, or tertiary amine; reaction may take place in an excess of the amine or in an inert medium, for example benzene or tetrahydrofuran.  An aqueous solution of the amine salt formed may be passed through a strongly acidic ion exchange resin to produce the acid H2.B10H10.(H2O)m as described in Specification 956,391.  The acid is then reacted with an amine or substituted hydrazine to form salts of the formula A2B10H10. Examples describe the preparation of [(CH3)3CNH3]2B10H10, [(C2H5)2NH2]2B10H10, [(C2H5)3NH]2B10H10, [i-C3H7NH3]2B10H10, and [CH3NH.CH3NH2]2B10H10; several other compounds which may be obtained by similar methods are listed.  Aqueous solutions of the salts are useful as electrolytes, e.g. in electrical switches.  The salts are inflammable in contact with nitric acid and may be used as components of rocket fuels.
Patent GB-357575-A (GB)
Title: Improvements in or relating to a method of and means for the heat treatment of metal
IPC: C21D9/56
Filed: 1930-05-21
Abstract: 357,575. Metal - heating furnaces. WELLMAN SMITH OWEN ENGINEERING CORPORATION, Ltd. and WEBB, A. OGILVY-, Victoria Station House, Victoria Street, London. May 21, 1930, No. 15666. [Classes 51 (i) and 51 (ii).] Cooling; admission of air, preventing.-A furnace for heating metal in elongated form, e.g. strip, wire, plate or sheet, comprises a heating - chamber with preheating and cooling chambers adjacent the entrance and exit thereto, the arrangement being such that the metal is passed through the furnace vertically, or substantially so, and that the pre - heating chamber is heated by the gases from the main heating- chamber. In the apparatus shown, in which strip or wire is passed downwards through the furnace, the heating is effected by gas from nozzles 12 delivering across the face of perforated bricks 9, behind which air is supplied by conduits 10. The products of combustion pass upwards through the preheating conduit 2 and escape by a dampercontrolled flue 4. The cooling-conduit 3 is waterjacketed, and the jacket is made in sections 17 with separate supply and exhaust connections. The air supply may be heated in a jacket 15 around the preheating conduit. Protective gas may be supplied to the cooling-chamber, and the exit for the metal, or the entrance, or both, may be sealed by sliding plates 25 having extensions 26, which move in slots in the walls 28. The furnace may be arranged so that the strip passes upwards through it, and an internal muffle may be provided for the strip. The cooling-chamber may be in the form of a quenching bath at the lower end of the furnace. The Provisional Specification describes a furnace for heating short plates in which the preheating chamber is dispensed with, and in which the plates are delivered to a quenching-tank having an inclined side wall.
Patent GB-120098-A (GB)
Title: Improvements in Apparatus for use in connection with the Finishing or Treating of Woven Fabrics.
Inventor: WHITEHEAD PERCY KAY
IPC: D06B3/10
Filed: 1917-10-29
Abstract: 120,098. Whitehead, P. K., and Bothwell, J. Oct. 29, 1917. Feeding webs.-Apparatus for use in pasting together the ends of two or more lengths of fabrics preparatory to passing through a finishing or other machine, comprises a heated plate so shaped and arranged that the end of one length may be placed upon it from above, and the end of the next length may be led from beneath, and after partly embracing the plate may be placed upon and pasted to the end of the first length, the free end of the plate permitting of the removal of the fabric. In the form shown in Fig. 1, the hollow plate 2 of semi-circular cross-section is curved, and is carried by a hollow arm 4 mounted by means of its lower part 3 in bearings 5 which are concentric with the curve of the plate 2. Steam is admitted to the plate 2 by a pipe 6 and the arm 4. and water of condensation is passed by a pipe 5<a> to a steam trap. The arm 4 normally rests on a wood block 10<a> carried by a support 10, and is provided with a pedal 8 by which the plate may be moved into the operative position shown. A spring 9 partially balances the weight of the parts. The lengths of fabric to be united into a continuous length are placed in a wagon 16 with their ends hanging over the end wall 12. The uppermost end 14 is placed on the plate 2 and coated with paste, and the next end 15 is brought up and laid on the first end, and more paste is applied. When dry, the plate is swung out of the loop of the fabrics, which is then thrown back over the end 12. The plate 2 is then brought back to operative position and the process repeated for all the ends 17 to be joined. The curved form of the plate 2 tends to keep the fabric stretched laterally. In another form, Fig. 4, the plate 2 is straight and is reciprocated between guide-rollers 20,. 21, 23, 24 by a treadle operated lever 26 linked or geared to the plate 2.
Patent GB-235892-A (GB)
Title: Improvements in or relating to x-ray tubes
IPC: H01J35/12
Filed: 1925-06-17
Abstract: 235,892. Naamlooze Vennootschap Philips' Gloeilampenfabsieken. June 18, 1924, [Convention date]. R÷ntgen-ray tubes. - An anti-cathode cooled materially by radiation is situated within, but insulated from, a metal part of the container, this part being cooled by water or otherwise. In one construction this metal enclosure 11, Fig. 1, is highly insulated from both electrodes, and is connected to earth, the high voltage being equally divided across the two insulating sections, which consist of glass vessels 4, 10. A tungsten anticathode 1 may be carried by rods 2 attached to a cup 3 sealed to the upper glass vessel 4. The lower glass vessel 10 is provided with a stem 7 holding pillars 8 which support a focusing sleeve 6 for the plane spiral anti-cathode 5. A cooling- jacket surrounds the metal enclosure 11, which may be of chrome-iron, and is fitted with a window 12. In another construction, the metal enclosure 22, Fig. 2, surrounds both the anticathode 20 and the straight cathode filament 21, and is constricted at 23 between these electrodes so as to confine the electron stream to a part of the anti-cathode. In this case the R÷ntgen rays issue through a cup 27 sealed to the metal enclosure. One end of the filament is connected to the metal enclosure, the other filament conductor being sealed through the glass cup 27. The apparatus may be very highly exhausted or may contain helium at a pressure of 0.01 mm. of mercury.
Patent GB-291762-A (GB)
Title: Improvements in lever systems
IPC: G05G7/02
Filed: 1928-05-30
Abstract: 291,762. Chapuis, C., and Dessaules, P. June 8, 1927, [Convention date]. Linkwork.-A lever system stated to be applicable for use on bicycles, engines, &c. comprises a primary lever a<1> rockable about a fixed pivot c and a secondary lever a<2> operated through a pin-and slot connection b and mounted on a moving fulcrum d so that its free end e travels from the position e to e<1> when the lever a<1> is moved from the full to the broken line position shown. The remaining linkwork shown controls the movement of the fulcrum d and comprises a link g connected by pin-and-slot f to the primary lever a' constrained by a radius link i and, at its far end by a pin k engaging a fixed straight slot l in the framework, the fulcrum d being carried by a lever o mounted on a fixed pivot p and connected to the link by. a pin u working in a V-shaped cam slot m formed on the end of the link. The movement of.the pin n in the. slot m is assisted by an auxiliary lever q pivoted on the pin n and carrying a pin r engaging the outer edge s of the cam member.
Patent GB-273480-A (GB)
Title: Improvement in and relating to nut crackers
IPC: A47J43/26
Filed: 1926-06-23
Abstract: 273,480. Day, G., Rimingtong F. A., and Taylor, F. June 23, 1926. Nutcrackers.-A nutcracker in the form of an animal is constructed so that the opening and closing of the jaws, between which the nut is placed, is effected by a lever, one end of which constitutes the moving jaw and the other represents a moving part such as the tail. The body is formed in two similar portions a recessed at f to receive the lever b, one part f<1> of which is shaped to complete the back and form the tail i when the jaws are in the closed position. The lever is formed at the front to act as the lower jaw h and is drilled to engage a pin or projection g on the body a, and the whole is secured together by a screw engaging a socket c<1> which acts as a stop for the lever b in conjunction with a bent portion b<1> of the lever. In use, the tail is raised to open the jaws, a nut is placed therein and the lever lowered by grasping the tail and the hind legs j.
Patent GB-333643-A (GB)
Title: An electric cutting machine for cutting out woven fabrics
IPC: B26B25/00
Filed: 1929-05-21
Abstract: 333,643. Triggs, W. W., (Krauss Reichert, Spezialmaschinenfabrik und Apparatebau Ges.). May 21, 1929. Cutting-appliances.-In a machine for cutting fabrics an electromotor 1 rotates a knife 3 of non- circular shape to co-operate with a knife 6 mounted in a base 5. The knife 3 is of elliptical or other continuously-curved shape. The knife 6 is mounted in a pivoted holder 15, urged by a spring 18. A spring 19 holds the knife 6 in an inoperative position.
Patent GB-1011974-A (GB)
Title: New halophospholines and derivatives thereof and a process for their manufacture
Inventor: HUNGER KLAUS
IPC: A01N57/36
Filed: 1962-04-25
Abstract: 1,1,1 - Trichloro- or tribromo - phospholines of formula <FORM:1011974/C2/1> where X is Cl or Br are prepared by reacting a diene which contains a butadiene skeleton of which no carbon atom is part of an aromatic ring and no three carbon atoms belong to the same cyclo-aliphatic ring, with phosphorus trichloride or tribromide. A polymerization inhibitor may be present.  The trihalophospholines may be reacted with a compound HYR where Y is oxygen or sulphur and R is hydrogen or unsubstituted or subsubstituted alkyl or aryl, preferably in the presence of a hydrogen halide acceptor, to give a product containing the moity <FORM:1011974/C2/2> or <FORM:1011974/C2/3> according to the proportions of reactants, wherein the phosphorus atom is part of a 5-membered ring containing a double bond, i.e. the double bond may shift from the 3-position of the starting materials when conducting further reactions.  Salts of the products may be obtained.  Examples are given.  1 - Oxo - 1 - chloro - or 1 - oxo - 1 - bromophospholines may also be obtained from the 1,1,1-trihalo compounds by reaction with an acid anhydride such as SO2 or acetic anhydride or by reaction of 1-oxo-1-hydroxyphospholines with, e.g., SOCl2, PCl5 or oxalyl chloride.  The halogen in 1-oxo-(or thio)-1-halophospholines may be eliminated as hydrogen halide by reaction with, e.g., alcohols, phenols, mercaptans or, especially, primary or secondary amines, preferably in the presence of tertiary amines.  Examples are given.  Phosphine oxides are obtained by reacting 1-oxo-1-halophospholines with Grignard reagents (e.g. Example 24, 1-oxo-1-butyl-3-methyl-2-phospholine).  1 - Alkoxy - 1 - oxophospholidines are prepared by hydrogenating the corresponding phospholines.  The invention also comprises as novel compounds 1,1,1-trichloro-, 1,1,1-tribromo-, 1-oxo-1-alkoxy, 1-oxo-1-phenoxy and 1-oxo-1-(mono-or disubstituted) amino-phospholines and dihydro derivatives of 1 - oxo - 1 - alkoxyphospholines, with the proviso in each case that none of the phospholine ring carbon atoms is part of an aromatic ring and no three phospholine ring carbon atoms belong to the same cycloaliphatic ring.  The various phospholines are stated to have uses as biocides and mineral oil and polymer additives.
Patent GB-475970-A (GB)
Title: Improvements in or relating to self-filling fountain pens
IPC: B43K5/04
Filed: 1936-06-06
Abstract: 475,970. Fountain pens. MENTMORE MANUFACTURING CO., Ltd., and JOHNSON, W. F. June 6, 1936, No. 15921. [Class 146 (iii)]. In fountain pens of the type in which a self-filling sac 7 is adapted to be collapsed by pneumatic pressure produced by telescoping parts of the pen surrounding the sac, the sac is mounted in an extension 10 of the barrel 1, an airtube 5 opens into the reservoir near the nib-section and into the sac at the end adjacent the reser. voir, and the telescoping member 11 is slidable in the barrel extension without contact with the sac. Communication between the reservoir and sac is established by a channel formed in the wall of the tube 5 or in a plug 3 to which the sac is attached and which may form the connection between the barrel 1 and the extension 10. The member 11 slides with a fairly tight fit in the extension and is guided and prevented from removal by a bush 12 to which a cap 13 on the member is screwed when in the inoperative position.
Patent GB-1278403-A (GB)
Title: Process for the production of photographic images
Inventor: MEYER RUDOLF
IPC: G03C5/60
Filed: 1970-04-03
Abstract: 1278403 Photographic silver and vesicular images AGFA-GEVAERT A G 3 April 1970 [5 April 1969] 15947/70 Heading G2C A photographic silver image having a superimposed vesicular image is made by exposing a light-sensitive silver salt material containing a silver salt developing agent, developing the material to form a silver image and treating the imaged material with a compound which is decomposed by the silver image to form a vesicular image, e.g. H 2 O 2  solution or vapour. The development may be carried out by heating the material in moisture between 60‹ and 150‹ C. or by treatment with an alkaline bath. The H 2 O 2  treatment is followed by treatment with water vapour or ammonia or amine vapour at 50‹ to 90‹ C. The vesicular image intensifies the silver image which may be formed from a silver salt material having insufficient silver salt to yield a satisfactory silver image, which material may not require fixing.
Patent GB-1169386-A (GB)
Title: Connector Plates
IPC: F16B15/00
Filed: 1967-04-06
Abstract: 1,169,386. Spiked plates. HYDRO-AIR ENG. Inc. 6 April, 1967 [21 April, 1966], No. 15948/67. Heading F2H. A connector for securing together adjacent wood structural members comprises a metal plate 1 having a plurality of teeth 7 extending from one face thereof, each of the teeth being constituted by a bent-out portion of the plate vacating an elongate slot 9 in the plate, and each tooth 7 having a tip portion with straight edges 15a, Fig. 3 converging to a point and side edges 23a diverging at a small angle from the tip to the plate, the shank portion of each tooth being V-shape in cross-section with a ridge 27, the ridge being disposed at an angle slightly greater than 90 degrees to plane of the associated slot 9, the tip portion having a flat surface 28 at an angle to the ridge 27, and the teeth on the plate being arranged in parallel longitudinal rows L1 to L6 and parallel transverse rows T1 to T11, the teeth in adjacent longitudinal and transverse rows facing in opposite directions. The teeth in each longitudinal row are staggered but each third tooth is in line and the array of teeth forms a repeating pattern of six teeth, e.g. those denoted by the lines L1 and L2 and T1 to T6. The spacing of the patterns transversely is greater than that between adjacent rows in each pattern to leave wider strips W1, for strengthening purposes. Lines CLT may be drawn transverse to the plate which do not intersect any of the slots 9. The shape and disposition of the teeth is such that as they are driven into the wood the angle between the plane of the slot 9 and the ridge 27 increases. In an alternative embodiment and adapted to be made from thicker sheet metal a gusset portion is formed in the base of each tooth 7.
Patent GB-1095014-A (GB)
Title: Improvements in high voltage d.c. transmission systems
IPC: H02J3/36
Filed: 1965-04-14
Abstract: 1,095,014. Converting. ALLMANNA SVENSKA ELEKTRISKA A.B. April 14, 1965 [April 20, 1964], No. 15971/65. Heading H2F. In a H.V.D.C. transmission system two or more rectifier stations supply two or more converter stations connected by two parallel transmission lines. Normally the two lines are joined by a switch (12) (Figs. 1 and 3, not shown, for single pole and double pole lines respectively). If one of a number of series converters at a station develops a fault, the faulty converter is by-passed and one converter at a station of the opposite kind (rectifying or inverting) is also by-passed. The connections to the parallel lines are rearranged so that the unaffected converters are connected by the other line working at reduced voltage.
Patent GB-982188-A (GB)
Title: Improvements in or relating to golf clubs
IPC: A63B53/04
Filed: 1962-04-26
Abstract: 982,188. Golf clubs. GENERAL ELECTRIC CO. April 26, 1962 [April 26, 1961], No. 15978/62. Heading A6D. In a golf club in which the striking surface comprises an insert 11 secured to a clubhead 13, the insert is made of an aromatic polycarbonate resin whereby dynamic losses which occur on hitting the ball are minimized. The shaft may also be made of a polycarbonate resin.
Patent GB-181371-A (GB)
Title: Improvements in gas-tight leading-in insulating bushes for the metal vessels of mercury vapour rectifiers
IPC: H01J13/26
Filed: 1922-06-08
Abstract: 181,371. Akt.-Ges. Brown, Boveri, et Cie. June 8, 1921, [Convention date]. Void [Published under Sect. 91 of the Act]. Joint-making packing.-In a gas-tight joint for a mercury-vapour rectifier comprising a mercury seal and flexible packing, the mercury seal or the seal and packing are in the form of a flat or flat coned ring having its greatest dimension in the radial direction. The mercury seal s, an asbestos ring r, and a rubber ring t are interposed between a plate a and a porcelain insulator g, through which extends the anode stem b the insulator being pressed against the plate a by a flange f. The angle of the cone should not exceed 45‹. The enlarged end c of the stem b is screw-threaded, and provided with a collar d, the joint with the insulator being formed by an asbestos ring h, a mercury seal i, and rubber rings m, n, o, kept in place by metal rings k, l and a nut. Mercury is supplied to the seals through holes u, q.