baber/WOPTO huggingface dataset:
Patent GB-1176999-A (GB)
Title: A New Antibiotic Bikaverin Effective against Leishmania Brasiliensis and a Method of Preparing Same
Inventor: BALAN JOSEF
IPC: C07G11/00
Filed: 1967-06-01
Abstract: 1,176,999. The antibiotic bikaverin. CESKOSLOVENSKA AKADEMIE VED. 1 June, 1967 [2 June, 1966], No. 25230/67. Heading C2A. An antibiotic bikaverin, effective against Leishmania brasiliensis, is an acid giving a red colour in acid media and a blue-purple in alkaline media, it is soluble in chloroform, slightly soluble in butanol, benzene, ethyl acetate and vegetable oils; insoluble in water, petroleum ether and hexane; it sublimes above 250‹ C.; m.pt. 315-320‹ C., elementary analysis 59À23% C and 3À07% H; molecular weight 382; empirical formula C 19 H 12 O 9 , ultraviolet absorption as in Fig. 2 (not shown), with maxima at 254 nm. and 278 nm., infra-red absorption as in Fig. 1. The antibiotic is extracted from the mycelium resulting from the production of gibberellins by cultivating Gibberella fujikuroi strain U or Fusarium oxysporum Schlecht strain No. 1-70. The extraction is by means of chloroform, trichloroethylene or a mixture thereof wih methanol or ethanol at pH 1 to 6À5. The broth has preferably been fermented 72 to 96 hours. Purification is obtained by treating the crude antibiotic with petroleum ether or n-hexane to remove impurities, dissolving in chloroform, treating the organic solution with aqueous KOH, filtering off the precipitate, dissolving in chloroform with the aid of hydrochloric acid, washing with water, removing solvent and recrystallizing from chloroform-methanol. A pharmaceutical composition for topical application comprises the antibiotic bikaverin and a carrier.
Patent GB-1187149-A (GB)
Title: Electromagnetic Accumulator Device.
Inventor: SOLE JEAN
IPC: H01F6/00
Filed: 1967-06-01
Abstract: 1,187,149. Superconductor devices. COMMISSARIAT A L'ENERGIE ATOMIQUE. 1 June, 1967 [20 July, 1966], No. 25262f67. Heading H1K. A moving magnetic field is provided in the vicinity of a thin foil closed-loop superconductor circuit to enable magnetic flux to become accumulated in the loop, and a second circuit is associated with the superconductor circuit so that the energy accumulated in the superconductor circuit may, when required, be released into the second circuit. In the form shown, the superconductor circuit comprises a cylindrical sheet 11 covered with insulating material 30. A series of coils 1-6 are supplied from a multi-phase supply using a circuit producing a magnetic field which progresses in overlapping pulses parallel to the axis of the sheet 11, inducing moving localized zones of normal conduction in the sheet 11 and thereby permitting flux lines to be introduced into the central space enclosed by the sheet 11. Localized heating synchronized with the movement of the field provided by the coils 1-6 may also be employed to produce the moving zone of normal conduction. In order to release the energy from the sheet 11 current is passed through a conducting strip 31 toroidally wound around the sheet 11, and the Joule heating produced in the strip 31 causes the entire sheet 11 to become normally conducting, thereby releasing its accumulated energy to the energyreceiving circuit which comprises a helical strip 36. The sheet 11 and strips 31 and 36 may all be enclosed within a cylindrical insulating mass 37. The strip 36 may alternatively be mounted outside the superconducting cylinder 11, and may form a separate assembly. The superconducting circuit may comprise a series of mutually insulated coaxial cylindrical sheets such as 11, or may have a toroidal form in which case the coils providing the moving magnetic field may be mounted in or perpendicularly to the plane of symmetry of the torus. Anisotropic superconducting sheets providing a preferential direction of current flow may also be used.
Patent GB-319902-A (GB)
Title: Improvements relating to the wings of aeroplanes
IPC: B64C23/00
Filed: 1928-09-03
Abstract: 319,902. Barnes, L. J. Sept. 3, 1928. Planes and the like, construction of; steering; balancing and regulating altitude. - Wings are divided by longitudinal partitions 2 into a series of chambers 3 through which air passes from slots negulatable by shutters 5, 6. The air leaves by apertures 13 controlled by shutters 14. The shutters 5, 6 are operated by arms 7, 10 respectively, the arms being connected by rods 8, 11 to operating levers. The chambers 3 may be divided by vertical partitions into a series of tubes. In a modification, the air chambers are arranged to overlap one another at the rear end by making each successively longer than the one below it.
Patent GB-384682-A (GB)
Title: Improvements in thermostats
IPC: H01H37/54
Filed: 1931-06-10
Abstract: 384,682. Thermostats. GENERAL PLATE CO., 34, Forest Street, Attleboro, Massachusetts, U.S.A. June 10, 1931, No. 25403/32. Convention date, June 26, 1930. Divided on 384,673. [Class 64 (ii).] A bimetallic strip 25, Fig. 2, is provided with transverse corrugations and is fixed at the ends 24, 27 to a frame having an opening through which the strip may be deflected. A reinforcing strip 30 may act as an electric contact and prevent excessive flexibility of the strip at its central portion. The corrugated material may be produced by passing a tube of the composite material 14 between corrugated rollers.
Patent GB-600566-A (GB)
Title: Indexed printing plates for addressing and like machines
IPC: B41L47/02
Filed: 1944-12-20
Abstract: 600,566. Addressing and like machines. ADREMA, Ltd., and KERR, R. L. Dec. 20, 1944, No. 25543. [Class 100(ii)] Printing-surfaces. - A printing-plate 1 for addressing and like printing-machines is formed at or adjacent one edge with slots 4 to receive tabs 5 and has an integral marginal extension 8 for an indexing inscription 6, the extension being disposed on the same edge as the slots but so as not to interfere with their use for the reception of the tabs and being formed by a single thickness of material accessible from both sides of the plate, thereby permitting embossing of the inscription. In Fig. 1, the slots 4 are formed in a lip 3 formed by folding the edge of the plate. In Fig. 2 (not shown), the edge 3 is folded to treble thickness, the rear fold being prolonged to form a flange of single thickness to receive the inscription, and in Fig. 4 the part 8 is foreshortened. The part of the plate which prints may be detachable.
Patent GB-361926-A (GB)
IPC: B60T15/18
Filed: 1930-08-27
Abstract: 361,926. Fluid pressure bra k e s . WESTINGHOUSE BRAKE & SAXBY SIGNAL CO., Ltd., 82, York Road, King's Cross, London.-(Assignees of McCune, J. C. ; Edgewood, Pennsylvania, U.S.A.) Aug. 27, 1930, No. 25573. Convention date, Sept. 24, 1929. [Class 103 (i).] In fluid-pressure brake apparatus of the automatic type the brake cylinder pressure obtained in the brake cylinder is arranged to depend upon the rate at which the pressure fluid is supplied to the brake cylinder from the auxiliary reservoir or other source so that the same reservoir volume may be employed with varying sizes of brake cylinders. The valve device shown in Fig. 1 for this purpose comprises main and graduating slide valves 7, 8 connected to a piston 4 which is subject on its two sides to the pressure in the train-pipe 3 and a control reservoir 6 respectively, this reservoir being charged through a groove 22 in the release position of the piston. The auxiliary reservoir 13 is charged from the train-pipe through a non-return valve 21. Normally the brake cylinder is open to an exhaust port 23 through passages 19, 24. Upon a reduction of train-pipe pressure the valve 8 is first moved. to register passage 25 with passage 26 and the passage 28 with passages 29, 30 and the main valve 7 then registers the passage 26 with an exhaust port 27 and the passages 29, 30 with passages 19,14. The reservoir 6 is thus vented to atmosphere and the brake cylinder is connected to the reservoir 13 through a removable choke plug 15. When the pressure in reservoir 6 has equalized with the reduced train-pipe pressure the valve 8 returns to lap position, the venting of the reservoir 6 and the supply to the brake cylinder being thus stopped. The brake cylinder pressure established is thus dependent upon the time during which the reservoir 6 is vented and upon the capacity of the choke plug 15. The brake cylinder pressure may be increased by a further reduction of train-pipe pressure. The reservoir 13 may be large relatively to the brake cylinder so that a maximum brake cylinder pressure almost equal to the original train-pipe pressure may be obtained. The volume of the reservoir 6 is relatively small and as the pressure therein after the application of the brakes will therefore be lower than that in the reservoirs 13 the recharging of the reservoirs 13 will not take place until after the valves have been returned to release position and will not delay the release movement. In a modified valve for a "light" and "load" cylinder equipment two supply passages each with a removable choke plug such as 15 are provided, one for each cylinder. A cock permits one of the cylinders to be cut off when the vehicle is unloaded. This may be done manually or as shown in Fig. 3, automatically by the movement of the vehicle body on the springs. For this purpose the lever 33<1> of the cock 321 is arranged to be held in both the closed and open positions against stops 44, 45 by a, spring 43 and is moved to one or the other position by the forked part 37 of a sliding rod 36 connected to a bellcrank 39 which is pivoted to the body 40 and truck 42 of the vehicle.
Patent GB-937143-A (GB)
Title: Improvements in or relating to a combined closure and relief valve assembly
Inventor: CHAUSSON ANDRE
IPC: F01P11/02
Filed: 1960-07-22
Abstract: 937,143. Valves. S. A. DES USINES CHAUSSON. July 22, 1960, No. 25618/60. Class 135. A relief valve, e.g. a radiator relief valve comprises a member 8 having an interrupted flange 9 which engages an interrupted flange 7 of a piping 3 extending from a water tank 2 of a radiator 1. The member 8 has a neck 12 leading to a cup-shaped part 13, the lip 14 of which normally seats on shoulder 4 of the piping 3. The lip 14 is raised from the seat 4 when the pressure in the radiator rises sufficiently to distort the walls 11, 13. The bore 15 of the neck 12 is normally closed by an elastic member 16, but on lowering of the pressure in the radiator the member 16 is distorted to admit air into the tank 2.
Patent GB-246565-A (GB)
Title: An improved arc welding process
IPC: B23K9/025
Filed: 1924-10-28
Abstract: 246,565. Schr÷der, E. Oct. 28, 1924. Heating by electricity.- In electric seam-welding, the edges of the seam are fused by an electric arc formed between the work R and a conical rotating disc E consisting of a secondclass conductor such as silicium carbide, which is kept below fusing temperature, but is kept so hot as to maintain the arc even when the electrode is the cathode. Alternating current may thus be used.
Patent GB-861261-A (GB)
Title: Apparatus for supplying rectified current from an alternating current supply source
Inventor: BIXBY WILLIAM HERBERT
IPC: G05F1/33
Filed: 1958-08-11
Abstract: 861,261. Automatic voltage control systems. INTERNATIONAL BUSINESS MACHINES CORPORATION. Aug. 11, 1958, No. 25718/58. Class 38 (4). In a supply system a rectified output voltage is stabilized by varying the impedance of a series saturable reactor, having a plurality of control windings, by a magnetic amplifier feeding a reactor control winding, a voltage proportional to the variation in the output voltage being applied to a circuit comprising a second reactor control winding in series with a control winding of the magnetic amplifier. As shown, a three-phase supply 71, Fig. 2, feeds delta-connected primaries of transformers 72-74, the secondaries of which are connected to a negative output terminal through main-windings such as 81, 82, of saturable reactors 75-77 and rectifiers such as 88, 89. A positive output terminal is connected to centre-taps 94, 94X, 94Y through series balancing windings such as 85X, 84Y, 83. Windings 83 oppose and windings 84, 85 aid the flux due to the main windings 81, 82 and so tend to equalize the currents through reactors 75-77. Control windings 87, 87X, 87Y are connected in series and are fed from a magnetic amplifier 115 supplied from a transformer 122 connected to the supply through a voltage-compensating network, Figs. 3, 4 (not shown), the output voltage of which varies inversely as the supply voltage. Across the output terminals is connected a series circuit comprising a variable resistor 124, biasing and stabilizing windings 86, 86X, 86Y; a control winding 120 of the magnetic amplifier and a resistor 98 across which is applied a constant voltage via a transformer 99 and stabilizers 96, 97. Variation in the output voltage causes a change in the stabilizing current tending to maintain the output voltage constant by varying the impedance of the saturable reactors. A reactor 125 in parallel with the control winding 120 and the resistor 98 causes a biasing current to flow through windings 86, 86X, 86Y. In another embodiment, for stabilizing a singlephase rectified supply balancing windings 83- 85 and the line voltage compensating network are omitted.
Patent GB-1113912-A (GB)
Title: Automatic bobbin supply system
IPC: B65H67/06
Filed: 1965-06-17
Abstract: 1,113,912. Endless conveyers. DEERING MILLIKEN RESEARCH CORPORATION. 17 June, 1965 [17 June, 1964], No. 25722/65. Heading B8A. [Also in Divisions D1 and G3] Bobbins B (see also Fig. 1, not shown) are conveyed from a hopper or bin (1) to a plurality of shoots (32) (only one shown) by an endless belt having bobbin receiving pockets 28 formed between cleats 24. The bobbins pass from shoot (32) to a transfer cone (34). The endless belt has an upper run (14), is reversed, and then runs above a guiding table 20 which retains the bobbins in the pockets. A slot 90 is formed in table 20 above each shoot (32), but the bobbins are normally prevented from falling therethrough by blades 88. However, when the level of bobbins in shoot 32 falls below the level of the actuator (54) a microswitch (58), the switch (58) closes a circuit (Fig. 5, not shown) and in conjunction with pulses from a photo-cell (94) produced by light from a source (96) passing through apertures (26) in cleats 24, causes rotation of rotary solenoids 84 carrying the blades 88 to allow bobbins to drop into the shoot. The microswitch (58) may be replaced by a photo-electric switch (Figs. 6, 7, not shown). Some of the pockets on the belt are filled with an extra cleat 30 to produce portions of the belt incapable of containing bobbins and it is arranged that blades 88 rotate with these portions adjacent. A further microswitch (56) is provided in shoot (32) and if the bobbin level falls below this switch the cone (34) is switched off until the bobbin level rises again. Adjacent cone (34), shoot (32) is provided with flaps (62) rotatable about a shaft (64) and tabs (78, 80) mounted on a rotatable shaft (76). If bobbins jam in this region (Fig. 4, not shown) and either of these shafts is thus rotated, a microswitch (66) (Fig. 3, not shown) or (72) (Fig. 1, not shown) is actuated to stop the cone (34), thus allowing the jam to be cleared by an operative.
Patent GB-616127-A (GB)
Title: Improvements in or relating to draught-excluders for doors
IPC: E06B7/20
Filed: 1946-08-28
Abstract: 616,127. Draught excluders. MICHIE, J. A., and HIGH SPEED SERVICE TOOL CO., Ltd. Aug. 28, 1946, No. 25804. [Class 20(iii)] In a hinged flap type draught excluder for a door, of the kind operated by direct contact with a cam device attached to the floor when the door opens, the flap is formed of a single sheet of a suitable material bent double to house an interleaved strip of flexible material such as rubber. In the form shown, the flap 1 is made of wood, metal, a plastic or the like in the form of a sheet bent double and housing a rubber strip 6. When the door opens, the flap 1, attached by hinges 3 to its bottom rail, immediately contacts a cam member 7 attached to the floor and is raised from contact with the floor to clear floor coverings &c.
Patent GB-225982-A (GB)
Title: Improvements in and relating to automatically supplied feeding-troughs for poultry and other birds
IPC: A01K39/012
Filed: 1923-10-17
Abstract: 225,982. Horton, H., Brook, N. K., and Bateman, R. S. Oct. 17, 1923. Feeding-appliances for animals.-A poultry feeder comprises a hopper B having a hinged lid B<5> and a delivery outlet B<1> normally closed by a plate P hinged at the inner end to the hopper and at the other end P<1> to two arms A having crossrails C and held up by springs S and hinged to the hopper coaxial with the inner end of the plate P, so that when a. bird stands on the rails C the arms A and plate P are depressed to deliver food to the trough T. This trough may be integral with the hopper and is so shaped as to prevent scattering. The downward movement of the arms A may be limited by adjustable stops, and the delivery outlet B<1> may be varied by hingeing the front of the hopper at the top and providing the adjusting member B<4>, Fig. 3. This front may be provided with a window. Specification 173,376 is referred to.
Patent GB-259993-A (GB)
Title: Improvements in polishing machines
IPC: B24B27/00
Filed: 1926-10-16
Abstract: 259,993. Deutsche Gasg-iiihlicht-Auer-Ges. Oct. 16, 1925, [Convention date]. Disc apparatus.-In a machine for polishing circular profiled articles and articles of non-circular cross-section a predetermined constant pressure is maintained between the tool and the work. The work is rotated and traversed by means of a carrier k and oppositely rotating polishing tools b, c, mounted on arms d, e pivoted to a bracket a, are held against the work by a weight h attached to a cord f which passes round discs g attached to the arms. The tools are lifted from the work by lowering a rack o by means of a pinion p, the rack being attached to a cable l also attached to levers m secured to the arms d, e. In a modification, Fig. 3, the work carrier q is pivoted at r to a slide working on a transversely adjustable carriage w, on which also is mounted the motor s of a polishing-device. The motor &c. is movable up to the work by weights x, which also, when the polishing-device contacts with the work, move the carrier q to bring the work up to a stationary polishing-device; the weight of the motor s is counterbalanced by a weight w.
Patent GB-1102423-A (GB)
Title: Improvements relating to props for supporting formwork for casting floors and the like
Inventor: HUGHES ALAN SPENCER
IPC: E04G11/48
Filed: 1965-06-18
Abstract: 1,102,423. Shuttering for casting floors. SMITHS INDUSTRIES Ltd. 11, Aug., 1966 [18, June, 1965], No. 25932/65. Heading E1S. Floor shuttering 25 is mounted on a tubular support 11 slidable on a prop 10 and which can be lowered to remove the shuttering while the concrete floor is still supported by the head plate 32 of the prop. The tube 11 may be lowered by a nut 15 resting on a pin 18 in a bole in the prop and engaging a screw thread on the tube or by a cam Fig. 2 (not shown). The ends of the shuttering joists engage over dowels on top of the tube 11.
Patent GB-1071514-A (GB)
Title: Preparation of starting materials for phosphate phosphors
IPC: C09K11/71
Filed: 1964-06-23
Abstract: Calcium hydrogen phosphate is precipitated from an acid solution of calcium dihydrogen phosphate in the presence of nitrate ions by heating the solution to a temperature between 60 DEG  C. and the boiling point of the solution, and the crystals separated by hot filtration.  The nitrate ions may be added as nitric acid or calcium nitrate, in concentrations between 0.004 and 0.2 molar.  The concentration of the initial solution calculated as H3PO4 is preferably between 0.4 and 0.7 molar, or between 0.4 and 1.3 molar in the presence of a nucleating agent such as a water-soluble alcohol. 5 to 60% ethanol may be used.  The solution may be formed by mixing a soluble calcium salt, particularly the nitrate, with phosphoric acid solution. The product has a narrow particle size range, viz. 9 to 32 microns, suitable for the preparation of phosphors.
Patent GB-755616-A (GB)
Title: Improvements in or relating to coin freed vending machines
Inventor: HALL FREDERICK WILLIAM
IPC: G07F11/06
Filed: 1953-09-21
Abstract: 755,616. Coin-freed vending apparatus. HALL TELEPHONES ACCESSORIES, Ltd. May 19, 1954 [Sept. 21, 1953], No. 25978/53. Class 27 Coin - freed vending apparatus has one or more columns of articlesupporting platforms 1 pivoted at 2 and each platform is supported in a horizontal position by a trigger 7 engaging in an opening 5 at one side of the platform until the trigger associated with each platform is withdrawn, in succession starting from the bottom of a column, by a pawl 15 pivoted to each trigger at 7c and engageable by abutments 12 on a vertically - slidable rod 11, the rod being raised by a bell-crank lever 32 each time a coin-released push-button 13 or equivalent means is actuated. The pawls 15 of all but the lowest platform are normally held in position 15b free of engagement by the abutments 12 by means of tails 7a on the triggers, but as each trigger is operated it allows the pawl next above to fall to position 15a. The triggers may engage the platforms by gravity or under the action of springs 8. Where there is more than one column, to prevent operation of more than one push-button at a time, a wedge 28 on each button enters between a pair of "scissors" levers 26, 27 and spreads them so that, by means of links 29 to similar levers for the other buttons, the latter levers are moved to positions in which they prevent actuation of the push-buttons. "Empty" indicators; coin slit closing.- When a complete column of articles has been exhausted, a locking pawl 17 prevents further actuation of the rod 11 and the fall of the uppermost platform allows a bent rod 18 to lower an "empty" sign 19 into a position in which it is visible through a window 20. A shaft 22 has arms 21 resting on the uppermost platform of each column and, when all the columns become empty, the last arm 21 is freed and the consequent rotation of the shaft moves a shutter 24 over the coin slit 25.