baber/WOPTO huggingface dataset:
Patent GB-761171-A (GB)
Title: Heavy-metal salts of 2-mercaptopyridine-1-oxides and methods of preparing same
IPC: A61Q17/00
Filed: 1954-05-19
Abstract: The invention comprises a heavy metal salt of a 2-mercaptopyridine-1-oxide (which may be in tautomeric equilibrium with the corresponding N-hydroxy-2-pyridinethione) wherein the pyridine nucleus may be substituted by a halogen atom or by an alkyl or alkoxy group having 1 to 7 carbon atoms, and the preparation thereof by reacting the required 2-mercaptopyridine-1-oxide, or a water-soluble salt thereof, with a water-soluble salt of an acid and a heavy metal in a solvent for the reactants.  The expression "heavy metal" includes any heavy or amphoteric metal having a specific gravity greater than 4, e.g. copper, iron, manganese, tin, mercury, cobalt, chromium, arsenic, antimony, lead, gold, cadmium, nickel, silver, bismuth and zinc.  The salt of the heavy metal may be in the form of a halide, nitrate, acetate or sulphate.  Suitable water-soluble salts of the pyridine-1-oxide are the alkali metal salts such as the sodium and potassium salts and the ammonium salt. It is preferable to carry out the above reaction in aqueous solution. The 2-mercapto - pyridine - 1 - oxide reactant per se may be used in alcohol solution.  Pyridine-1-oxide reactants referred to are 2-mercaptopyridine - 1 - oxide, 3 -, 4 -, 5 -, and 6 - meth oxy-, ethoxy- and butoxy-, 3-, 4-, 5- and 6-methyl- and ethyl-, and 3- and 5-bromo- and chloro-2-mercaptopyridine-1-oxide.  In the examples the manganese, nickel, ferric, ferrous, mercuric, mercurous, silver, auric, antimony, cobaltous, lead, bismuth, arsenic, cupric, zinc and cadmium salts of 2-mercaptopyridine-1-oxide, and the zinc salts of 6-methyl- and 5-bromo - 2 - mercaptopyridine - 1 - oxide are prepared.ALSO:A fungicidal preparation useful for plant protection and as a chemotherapeutic agent comprises an inert diluent and a heavy metal salt of a 2 - mercaptopyridine - 1 - oxide (which may be in tautomeric equilibrium with the corresponding N - hydroxy - 2 - pyridinethione) wherein the pyridine nucleus may be substituted by a halogen atom or by an alkyl or alkoxy group having 1 to 7 carbon atoms.  The expression "heavy metal" includes only heavy or amphoteric metal having a specific gravity greater than 4 e.g. copper, iron, manganese, tin, mecury, cobalt, chromium, arsenic, antimony, lead, gold, cadmium, nickel, silver, bismuth and zinc, Suitable diluents for the chemotherapeutic preparations are starch, talc, magnesium silicate, and ointment bases.
Patent GB-1345719-A (GB)
Title: Apparatus for applying a liquid to sheet material
IPC: B05C1/08
Filed: 1971-05-13
Abstract: 1345719 Photographic processing apparatus ADDRESSOGRAPH-MULTIGRAPH CORP 13 May 1971 [22 June 1970] 14774/71 Heading G2A Excess developer which accumulates at the end surface of a roller 22 applying a controlled amount of liquid to a light sensitive sheet material 26 is eliminated by the provision of a rotatable toothed wheel 66 which engages the end surface of the roller at the radial extremity thereof, the teeth forming cells 74 for receiving excess liquid. The collected liquid flows under capillary action to a cylindrical guide portion 76 of small diameter than the wheel member to then run down shaft 70, finally falling as drops 43 into a trough. Shaft 70 is welded on to one arm of a U-shaped spring 78. Roller 22 has co-operating wiper blades 26, 28 as described in Specification co-pending.
Patent GB-918976-A (GB)
Title: Improvements in or relating to pyrotechnic or explosive devices
Inventor: WHEELWRIGHT EDWARD HANLEY
IPC: F42B4/26
Filed: 1958-05-09
Abstract: 918,976. Pyrotechnic devices. WAECO Ltd. May 11, 1959 [May 9, 1958; Nov. 3, 1958], Nos. 14973/58 and 35271/58. Class 9 (2). Relates to marine pyrotechnic devices containing a smoke-generating composition ignited when water enters the device and activates a battery. The composition 30 is housed in a cylindrical container 10 around a copper flash tube 17 extending through a base closure 15 and secured therein by a flanged sleeve 18. A delay fuze 25 extends from the top of the flash passage to a perforated disc 26 covering the composition and above this is an extension 11 of reduced diameter provided with transverse closure partitions 22, 23, 24, each having an aperture closed by rupturable waterproof seals 29. The apertures 22, 24 are diametrically opposed to the aperture 23. An ignition unit 32, which is stored separately and screwed on to the base of the device before use, comprises an electric igniter 36 which projects into the tube 17 and an electric cell 39 activated when water enters through ports 40. An air vent 42 is provided near the top of the unit 32, which contains a ballast weight in the form of a lead ring 44. Tabs 47 secure an annular buoyancy chamber 46 to the container. Before use, caps 51 protect the two ends of the device. A bracket 49 having resilient arms 50 may be used to support the device on a ship prior to launching. A lifebuoy may be attached to the device by a line, so that when the buoy is thrown the device is jerked out of the bracket. Springs 53 then push off the caps 51 and water enters the unit 32, so producing a firing current through the igniter 36. The flash arising from the igniter passes along the tube and ignites the fuze 25 which starts combustion of the charge 30. The resulting gases rupture the seals 29 and the smoke generated follows a sinuous passage through the extension 11 before escaping. The composition 30 may comprise potassium chlorate, lactose, sucrose, kaolin and an orange oil dye. An electric light bulb may be placed at the top of the container.
Patent GB-1083347-A (GB)
Title: Ammunition feed
Inventor: PROUDLOVE FRANK WILLIAM
IPC: F41A9/54
Filed: 1965-04-08
Abstract: 1,083,347. Gun installations. BRITISH AIRCRAFT CORPORATION (OPERATING) Ltd. April 7, 1966 [April 8, 1965], No. 15001/65. Heading F3C. A gun installation for mounting on an aircraft, e.g. the wing 14, comprises a gun pad 10 and a pylon 12, the gun pad 10 enclosing the gun 40 and a tank 24 for storing cartridges 28. The cartridges 28 are fed from the tank 24 to the breech 38 of the gun 40 on a disintegrating link belt 30 through a shoot 36, part of which is enclosed in the pylon 12, the remainder of the shoot 36 being enclosed within the pad. A further shoot 52 is preferably provided to receive the spent belt links from the gun and transfer them to a centre bay 22 of the pad. The forward parts of the pad, that is the gun bay 16, the gun mounting bay 18 and the nose bay 20 are exchangeable such that different types of gun may be housed in the pad. Winches 48 and 50 are provided to hoist the gun and pad on to the pylon and an ammunition box into the pad respectively.
Patent GB-803615-A (GB)
Title: Improvements in or relating to electrical control systems
IPC: H02P7/34
Filed: 1955-05-26
Abstract: 803,615. Control of D.C. motors. IGRANIC ELECTRIC CO., Ltd. May 26, 1955 [June 11, 1954], No. 15209/55. Class 38 (3). The armature 12 of an electric motor is supplied from a generator 16, the motor field winding 14 being excited through bridge rectifier 38 and, alternately, power winding 24 of magnetic amplifier 22 and rectifier 47, or power winding 25 and rectifier 48, respectively. A field winding 20 of the generator is similarly supplied through power windings 32, 33, of amplifier 30. The motor is started with tap 66 of potentiometer 58 in its extreme anti-clockwise position so that rectifier 51 prevents current-flow through amplifier control winding 27 which offers no opposition to saturation of the core by bias winding 28, whereby power windings 24, 25 afford only low reactance to the exciting current in motor field winding 14. Rectifier 52 permits full energization of amplifier control winding 35 which opposes bias winding 36 to prevent saturation of the core of the amplifier 30, so reducing the generator field excitation. The motor is accelerated by clockwise rotation of the tap 66 of potentiometer 58 which forms part of a bridge circuit also comprising resistors 60, 62, 64, and when the tap reaches the other extreme position, the potential applied to the rectifiers 51, 52 is reversed so that the amplifier 30 becomes saturated and amplifier 22 is unsaturated. In this manner, the motor is accelerated from zero to basic speed by maintaining full field and increasing armature voltage, and is further accelerated by maintaining full armature voltage and decreasing field excitation. IR-drop compensation for the generator 16 is provided by amplifier control winding 34 which opposes the bias winding 36. A control winding 26 of the amplifier 22 is ineffective to oppose saturation of the core until the output voltage of generator 16 has reached a high value. The time required for the motor to accelerate to basic speed is determined by the time constant of winding 36 which is connected in series with reactor 70, and further acceleration is determined by the time constant of the field winding 14. To stop the motor, the generator field winding is connected across discharge resistor 72 and the motor returns power to the generator. During the regenerative braking period, the excitation of the motor field winding is automatically increased by reduction of the energization of the winding 26. The system may be used to control a reversible twin-field motor.
Patent GB-348403-A (GB)
Title: Improvements relating to electrical switches with pneumatic blow-outs
IPC: H01H33/02
Filed: 1930-05-20
Abstract: 348,403. High-tension electric switches. RUPPEL, S., 8I, Palmengartenstrasse, Frankfort-on-Main, Germany. May 20, 1930, No. 15537. Convention date, May 23, 1929. Addition to 336,102, [Class 38 (v), Electric switches &c.]. [Class 38 (v).] In the switch, with compressed gas blow-out means, adapted for mounting on a vehicle, as described in the parent Specification, the switch contact 2 on the exhaust side of the switch chamber is connected to the earthed pole of the electrical supply. In the construction shown, the other fixed contact 4 is connected to the hightension trolly line 12. Gauzes of different meshes may be arranged in the exhaust pipe 10, 13, those of finer mesh being located at the outer end. Flaps or shutters may also be arranged within the pipe and be moved to the open position when the switch is operated. Resistances 11 may be located in the earth connection or may be connected in series with the switch during the switching out process and be cooled by the flow of compressed gas.
Patent GB-733923-A (GB)
Title: Deflecting coil arrangement for cathode ray tubes, preferably for television purposes
IPC: H01J29/76
Filed: 1952-06-20
Abstract: 733,923. Cathode-ray tubes. STANDARD TELEPHONES & CABLES, Ltd. June 20, 1952 [June 29,1951], No. 15614/52. Class 39 (1). In a deflecting coil arrangement for a cathode-ray tube comprising a magnetic core in the form of a hollow shell adapted coaxially to surround the envelope of the tube, each complete turn of the coil consists of two similar portions arranged on opposite sides of the core, in which each portion comprises a first wire running along the whole length of the inside of the core parallel to the axis, one end of the first wire being connected to one end of a second wire running parallel to the axis outside the core for at least part of its length, and in which the other ends of the second wires of the two portions are connected by a third wire running outside the core in a plane normal to the axis. Fig. 3 shows one form of coil and a diagram of the magnetic field produced by it. A wire 3 runs through the inside of the core 1, is bent over at one end 7 to run along the outside of the coil for a short distance, and is then joined by a transverse wire 2 to.a similar winding on the other side of the core. At the other end the wire 3 is joined by a transverse wire 4 to the other winding. In a modification, Fig. 4 (not shown), the wire 3 is bent over at the other end to run along the outside of the core before joining the wire 4. In a further modification, Fig. 5, toroidal windings 9A, 9B, 10A, 10B are connected in parallel by straps 11A, 11B, 12A, 12B which are connected by transverse loops 13, 14.
Patent GB-219953-A (GB)
Title: Document guides for multiplex writing machines
IPC: B41J2/49
Filed: 1924-06-30
Abstract: 219,953. Signature Co., (Assignees of Crompton, F. E.). Aug. 3, 1923, [Convention date]. Manifold writing machines.-Document guides for multiplex writing-machinies comprise oppositely-arranged spring fingers 28 presented toward each other in pairs for controlling the movement of a plurality of prearranged documents into and out of position to be simultaneously written upon, the adjacent ends 31 of each pair of fingers 28 being spaced apart in the direction of movement of the documents on the table 1, an overhanging guide 12 bridging the space between the ends 31 of each pair of fingers. The pen carriage is formed of bars 2, rods 3, and pens 4, and an actuating monitor 5. The guides 12 are secured to slides 7 adjustable on a supporting bar 6, and the guides are formed with bevelled ends 13, and with depending lugs 14 between which and the guides 12 the ends 31 of the fingers 28 are normally disposed. The fingers 28 are formed of springy material, and are formed near their supporting bars 20 with inclined parts 29 and circular parts 30 adjacent to the bars 20 to which the fingers are secured by screws 27. The bars 20 are mounted in bifurcated standards 19, Fig. 6, vertically adjustable in sockets in comers 15 of the machine base, and the bars 20 are secured by a screw to a mutilated disc 23 which is clamped in the required angular position between the standards 19, Fig. 6, by means of a screw 25 engaging a nut 26 secured to one of the standards. The bevelled parts 29, 31 of the fingers 28 permit the documents to be moved readily in either direction, and the guides 12 control them while passing between the parts 31. In order to control the pressure of the iingers 28 on the documents, and to permit of the adjustment of this pressure to documents of different thicknesses, the bars 20 are vertically adjustable, and also the supporting bar 6 is vertically adjustable as shown in Fig. 8. This bar is mounted so that it can be tilted about a vertical axis so as to cause the pressure on the ends 31 of one set of fingers to be greater than that on the ends of the other set. The bar 6 is vertically and angularly adjustable by screws 35 relatively to a block 33 secured at each end to the base by screws 32 passing through enlarged holes in the block 6. Locknuts hold the bar 6 in its adjusted position, and dowels 37 are employed to position the block 33 correctly.
Patent GB-571502-A (GB)
Title: Improvements in or relating to processes of and apparatus for the production of viscose
IPC: D01F2/08
Filed: 1943-09-24
Abstract: Viscose is produced by compacting sodium cellulose xanthate and introducing it in the form of thin strip, thin rod or thinly divided pieces into a stirred body of aqueous sodium hydroxide, to which aqueous sodium hydroxide is continuously added and from which viscose is continuously withdrawn.  By this process, the xanthate is quickly dissolved and viscose obtained thereby contains a minimum of air bubbles.  Sodium cellulose xanthate is fed into the mechanism 10, compacted by screws 12 and 16, and extruded through conduits 18 into dissolving chamber 20 containing an aqueous solution of sodium hydroxide.  Rotating knives 28 and 29 serve to cut the xanthate and stir the body of solution. Aqueous sodium <PICT:0571502/IV/1> hydroxide is added continuously to chamber 20 through inlet 22 whilst viscose is continuously withdrawn through outlet 24.  In a modification, the compacted xanthate is extruded into the dissolving chamber through a substantially annular slot, whilst a single knife serves to cut the xanthate and stir the solution.  In a further modification, the compacted xanthate is extruded through a narrow rectangular slot into the dissolving chamber.  The extruded strip of xanthate is readily dissolved in the hydroxide solution, constant stirring of the solution being effected by a rotating propeller. Other forms of compacting mechanism, such as a twin screw press, may be employed.  Specification 570,999 is referred to.
Patent GB-560068-A (GB)
Title: Improvements in and relating to the braking of cars and bogies used in conjunction with travelling suspended cars, aircraft or the like
IPC: B61B12/02
Filed: 1942-11-07
Abstract: 560,068. Train control apparatus. BENNIE, G. Nov. 7, 1942, No. 15756. [Class 105] [Also in Group XXXIV] The cars of a system of overhead transport such as described in Specification 191,760, [Class 103 (iv)], are provided with three braking means, viz. reversal of the drive or pitch of the propelling airscrews, a manually controlled brake co-operating with the rail from which the car is suspended and an electrically controlled brake co-operating with the rail and brought into operation by the signalling system. As shown, the car 11a is suspended by links 9 from a bridge member 7 supported by springs 6 which bear on a bogie frame 1 mounted on wheels 2 that run on a rail 3. A pair of brake casings 12 inter-connected by members 13, 14a supported by a bracket 14 pivoted to the frame 1 to swing in a vertical plane each carries a pair of brake shoes 15, 15a on levers 17, 17a pivoted at 18, 18a to the casings. The shoes are applied to the rail 3 and to a lower rail 5. In the case of the manually operated brake, operation is effected by a rod 22, bell-crank 20, link 23, lever 24 mounted on lever 17 and link 25 connected to lever 17a so that equalised pressure is applied to the two shoes. The electrically controlled brake comprises a brake application spring 27 bearing on a part 28 and on the part 29 of a frame on which the part 28 is slidable and which comprises side rods 29a and a part 30. A rod 27 connects the part 28 to the lever 17 and to a lever 31 operated by solenoid 33. The lever 31 is connected also by a link 32 to the part 30 and the lever 17a. The solenoid 33 is supplied by a dynamo 34 driven by the propeller engine and is controlled by a switch 35 arranged to be opened to apply the brake by engagement with a trip member mounted on the rail member 4 when the trip member has been moved to operative position by the signalling system. The driver's cabin may contain three lights operated by the signalling system and indicating respectively, all clear, caution and stop, and when a station is approached trips are arranged to de-energise the solenoid 33 and to cut out -the caution light and switch in the stop light. Specification 328,946, [Class 103 (iv)], that describes a rail brake for similar vehicles is referred to. The Provisional Specification refers to an electrically operated rail brake which is applied automatically when the engine is stopped.
Patent GB-1037946-A (GB)
Title: Catalytic oxidation of propylene
IPC: C07D301/08
Filed: 1963-04-22
Abstract: A process for the preparation of propylene oxide by direct oxidation of propylene comprises reacting a gaseous mixture containing propylene and oxygen with a catalyst which comprises a compound of Formula RnSiX4- n wherein n is 0 or 1 to 4 inclusive, R is hydrogen, alkyl, halogenated alkyl, alkoxy, aryl, alkenyl, carboxy or hydroxy, X is a halogen atom or a hydroxyl group and when more than one R or X term is present, each may represent the same or different atom or group, or a polymer of such a compound.  Preferred methods of oxidation are (1) liquid phase at 100-300 DEG  C. and 1-70 atmospheres; or (2) vapour phase at 200-800 DEG  C. and 1-10 atmospheres.  The reaction may be effected in the presence of inert diluents e.g. CO, CO2, He, steam or nitrogen or lower aliphatic liquids e.g. methanol, acetone or formaldehyde.  By products referred to in examples include acholenic and acetaldehyde. Examples give details of the process using catalysts comprising a support and (CH3)3SiCl, (CH3)2SiCl2, (C6H5)2SiCl2, (C6H5) (CH3)SiCl2, (C2H4)2SiCl2, (C2H5O)4Si, (CH2 = CH-CH2O)4Si, and siloxanes.ALSO:A catalyst for oxidizing propylene comprises a compound of general formula RnSiX4-n in which n = 0, 1, 2, 3, or 4 R is hydrogen, alkyl, halogenated alkyl, alkoxy, aryl, alkenyl, carboxyl and hydroxy groups and X = halogens or hydroxy group, when there is more than one R or X term they may represent the same pr different, on a polymer of such a compound.  If the catalyst is gaseous it may be diluted with an inert gas and if liquid or solid either dissolved in a solvent or supported on a carrier.  Specified carriers are silica glass, borosilicate glass, rock crystal, silica gel, Kieselguhr, pummice, thaslinite, active carbon and porcelain.  Additionally the catalyst may contain traces of manganese acetate, ferrous hydroxide, silvernitrrate, ferrous oxalate or boric acid.  If desired the catalyst may be subjected to ionizing radiation from either X-, a -, b - or g -rays.
Patent GB-917244-A (GB)
Title: Improvements in or relating to tool cooling devices for drilling and like machines
IPC: B23Q11/10
Filed: 1961-05-02
Abstract: 917,244. Drilling machine details. SCHOENING, A., [trading as RABOMA MASCHINENFABRIK, H. SCHOENING]. May 2, 1961 [June 29, 1960], No. 15867/61. Class 83 (3). A coolant is supplied to a drill 14, Fig. 1, by an adjustable resilient nozzle pipe 12, pivoted to a pipe 8 at 10, the coolant being supplied to pipe 8 from a sump 4 through a strainer 3, by a pump 1. Pipe 8 is carried by a holder 7 on the machine slide 6, is rotatably and axially adjustable in the holder, and can be secured in the adjusted position by a screw 9. Nozzle pipe 12, Fig. 2, comprises a nozzle 19 and a pipe fitting 17, connected by a rubber tube 22, reinforced by a helical spring 23, the tube being screwed or secured by adhesive to members 17, 19. In a modification, Fig. 3, spring 23 is replaced by a rod 25 welded to connection 17, and is surrounded by a flexible metallic strip wound to form a helical tube 30, having fluid sealing inserts. In a further modification, Fig. 4, rod 25 is replaced by a helical spring 23a. In a still further modification, Fig. 6, the pipe is formed from non-flexible parts 12a, 12b, joined by a corrugated metal joint 32. The metallic tubing may be replaced by tubing of synthetic resinous material.
Patent GB-818691-A (GB)
Title: Improvements in rotary air pumps
Inventor: BRISCOE GEORGE HAROLD
IPC: F04C25/00
Filed: 1957-05-20
Abstract: 818,691. Rotary pumps &c. LACYHULBERT & CO. Ltd. May 16, 1958 [May 20, 1957], No. 15975/57. Class 110 (2). A rotary air pump of the outwardly sliding vane-type has at least five regularly spaced vanes arranged in slots, tangential to a circle concentric with the rotor axis. The pump contains main inlet and outlet ports together with a subsidiary inlet port, so located that at least one vane is always present between consecutive ports. Dry operation is secured by the use of vane material requiring no lubrication.