baber/WOPTO huggingface dataset:
Patent GB-1119961-A (GB)
Title: Preparation of dyestuffs containing a thiosulphonic group
Inventor: RAZAVI DJAVAD
IPC: C09B62/00
Filed: 1965-07-19
Abstract: Dyestuffs containing a thiosulphonic group are prepared by treating a dyestuff sulphochloride in an aqueous medium at a temperature between 0 DEG  C. and 100 DEG  C. with an alkali metal sulphide, alkali metal hydrosulphide or thiourea. The alkali metal salts produced may be acidified.  The dyestuff may be an azo, anthraquinone, azine, oxazine, nitro, phthalocyanine, perinone, naphthoyleneimidazole, perylenetetracarbonimide or quinacridone dyestuff and may be metallizable or metalliferous.
Patent GB-659489-A (GB)
Title: Improvements connected with cycle stands
IPC: B62H3/08
Filed: 1949-11-29
Abstract: 659,489. Cycle stands. ODONI, A. A. Nov. 29, 1949, No. 30608. [Class 136 (i)] A trough A for a cycle stand has a U-shaped form with a lower surface B of approximately semicircular section to fit the narrow size of tyres and with side walls D diverging from this section and continuing as parallel side walls F. Specification 608,733 is referred to.
Patent GB-716273-A (GB)
Title: Process for the distillation of coal
IPC: C10B51/00
Filed: 1950-12-18
Abstract: 716,273. Distilling and gasifying carbonaceous materials; puiverulent-fuel furnaces. BUCHER, H., and LUCKOW, H. Dec. 18, 1950 [Dec. 16, 1949; Feb. 25, 1950; Nov. 13, 1950], No. 30767/50. Classes 51 (1) and 55 (1) Finely divided coal is introduced at the lower end of a vertical retort in co-current with superheated steam and heated to distillation temperature, the gases, tar vapours, ammonia, and coke afterwards being separated. In a modification the unseparated products are gasified in a second chamber. Finely divided coal from a hopper 13 is transported by superheated steam through a distillation chamber 17 arranged vertically in the masonry of a boiler furnace 23. The upper part of the chamber and a cyclone separator 18 for the coke particles, which are fed to nozzles 28 in the furnace, are located in the boiler flue so that the temperature of the fuel from the lower limit of distillation to the point of separation of vapours is maintained or preferably increased to prevent contamination by tar &c. Or the wall surface may be varied and in the case of a battery of chambers in series the wall thickness and cross section of the chambers may vary for the same purpose. The chambers may be heated by electric elements uni'ormly distributed over their exterior surfaces. In an example Ruhr coal with an average grain size of .09 mm is conveyed at 2-5 metres per second through the distillation space, 3 kg. of steam at 500-550‹ C. being used per 1 kg. of coal. A temperature of 700-900‹ C. is required for gasification. '
Patent GB-190875-A (GB)
Title: Improvements in motor-cycle, cycle and analogous saddles or seats
IPC: B62J1/06
Filed: 1921-11-18
Abstract: 190,875. Brooks & Co., Ltd., J. B., and Brooks, B. Nov. 18, 1921. Addition to 161,364. Saddles.-The saddle top, instead of being supported at each side upon two or more parallelmotion cantilever leaf springs, as described in the parent Specification, is supported upon two or three cantilever leaf springs in upper and lower planes, all supporting the load and arranged to give a parallel or approximately parallel motion to the saddle. In the construction shown in Fig. 1, two semi-elliptic leaf springs 5 are arranged in a lower plane and a single leaf spring 9 is arranged in a median line in an upper plane, the springs being pivoted at the centre to a bracket 7 on the carrier and engaging adjustable stops 15, 40 at the rear. The springs may be arranged two in the upper plane and one in the lower plane, and quarter-elliptic springs may be employed. In a further modification, two leaf springs only are employed, arranged in the same vertical plane. Specification 183,332 is referred to.
Patent GB-852837-A (GB)
Title: Method and apparatus for separation and recovery of filter aid and catalyst used in polymerization of olefins
IPC: B01D33/06
Filed: 1957-10-02
Abstract: The separation and recovery of filter aid from admixture with a solid substantially water-insoluble polymerization catalyst, wherein an oxide of a heavy metal is the principal polymerization promoting material, and which is used in a low-pressure polymerization process is accomplished by drying said filter aidcatalyst mixture, dispersing said dried mixture in water or in an aqueous solution, removing floating catalyst, and removing and recovering filter aid which sinks in the water or solution, said catalyst and filter aid each having a specific gravity greater than that of the aqueous solution employed.  The catalyst may be one employed in the polymerization or copolymerization of olefines such as ethylene, propylene or other 1-olefines by the low pressure process in the presence of a solvent such as cyclohexane and other paraffins and cycloparaffins such as propane, isobutane, n-butane, pentane, cyclopentane, hexane, heptane or octane.  The catalyst may be one containing chromium oxide, e.g. chromium oxide-silica-alumina, and is separated from the polymerization product mixture by filtration in the presence of a filter-aid such as diatomaceous earth, leaving a mixed residue of filter-aid and catalyst.  The catalyst-filter aid mixture may be pulverized after drying and a list of apparatus is given for separating the floating and non-floating portions of the aqueous dispersion.  Specifications 790,195 and 804,641 are referred to.
Patent GB-1139318-A (GB)
Title: Brake pressure proportioning valve
IPC: B60T8/26
Filed: 1966-07-08
Abstract: 1,139,318. Hydraulic brakes; valves. KELSEY-HAYES CO. 8 July, 1966 [14 July, 1965], No. 30870/66. Headings F2F and F2V. In a brake pressure proportioning valve adapted to be interposed between a brake master cylinder 10 and the brake cylinders 24 of the rear wheels of a vehicle, the valve includes a housing 15 having an inlet opening 19, an outlet opening 20 and a chamber 26 providing communication therebetween, a piston 32 being movable in the chamber 26 in response to a predetermined pressure differential between the inlet and the outlet openings, a valve shoulder 40 carried by the piston being operable to block fluid communication between the inlet and outlet openings, and an elastomeric valve seat member 44 being exposed to the inlet fluid pressure on one side thereof and provided with recesses 56 on the opposite side thereof exposed to outlet fluid pressure, the valve seat member 44 being compressible in response to an increase in the inlet fluid pressure over the outlet fluid pressure after closure of the valve shoulder 40 to effect contraction of the volume of the recesses 56 such that the latter expand upon subsequent reduction in inlet fluid pressure to relieve the outlet fluid pressure. During light braking of the vehicle, the proportioning device does not alter the brake pressure being developed to the rear wheel brake cylinders 24 with respect to the pressure developed to the front wheel brake cylinders 18 as the fluid passes the open valves houlder 40. As fluid pressure is built up in the chamber 26 the piston 32 is moved against the combined forces of the springs 70 and 72 until the valve shoulder 40 seats against the wall 42 and embeds itself in the valve seat member 44 to close communication between the inlet opening 19 and the outlet opening 20, further pressure increase in the pipeline 14 expands the valve seat member 44 in a radially outward direction to compress the grooves 56 and displace fluid out of the grooves and pressurize fluid in the outlet opening 20 to slightly increase the pressure to the rear wheel brake cylinders 24. When the master cylinder pressure decreases, the rear wheel brake pressure tends to move the piston member 32 to the left causing the shoulder 40 to embed more deeply into the material of the valve seat member 44 and at the same time the grooves 56 will expand to receive fluid from the outlet opening 20. However, the rear wheel brake pressure can never be greater than the front wheel brake pressure or the master cylinder pressure because the lip 54 of the valve seat member functions as a check valve to reduce the rear wheel brake pressure to a level equal to the master cylinder pressure.
Patent GB-233298-A (GB)
Title: Improvements relating to the treatment of artificial threads
IPC: D01D10/04
Filed: 1924-12-24
Abstract: 233,298. Akt.-Ges. f³r Anilin-Fabrikation. May 3, 1924, [Convention date]. Circulating or passing materials through fluid-applying apparatus.- Relates to apparatus for use in the washing of artificial silk &c. wound on bobbins according to the centrifugal method described in Specification 225,559, [Class 23, Centrifugal machines &c.]. As in the prior Specification, the thread may be unwound while the bobbin is rotating and twisted by passage through a guideeye. In the present construction, the thread is treated with liquid while it is being unwound, for which purpose a nozzle 20, Fig. 6, is mounted above the eye 19; and with such an arrangement the eye 21 has preferably the funnel-shaped form shown in Fig. 7, being mounted on a holder 22. A plant for twisting, reeling &c. comprises a row of bobbins 51, Fig. 13, above each of which is placed a guide-eye 19 and above the eyes a corresponding number of reels 61 mounted on a common shaft 56. A plurality of nozzles 20, carried by a pipe 60, are arranged to project streams of liquid into the guide-eyes, and the pipe is mounted so that a partial rotation serves by means of the cock 58 to cut off the supply of liquid to each of the nozzles which are at the same time raised.
Patent GB-392197-A (GB)
Title: Improvements in means for controlling the intensity of current in electric lamps andother circuits
IPC: H05B37/02
Filed: 1931-11-10
Abstract: 392,197. Control systems for consuming devices; phase changing. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London.-(Assignees of Stewart, C. E. ; 4033, Marshall Road, Drexel Hill, Pennsylvania, U.S.A.) Nov. 10, 1931, No. 31167. Convention date, Nov. 10, 1930. [Classes 38 (ii) and 38 (iv).] The current intensity in a lamp or other circuit is varied by means of a moving shield 13, Fig. 2, lying between a photo-electric cell 17 and a service of light 20, and the resulting changes in the resistance of the cell are caused to shift the phase of the potential applied to the grid 27 of an electric discharge device preferably containing mercury vapour so that the average current therethrough changes as determined by the movement and shape of the shield. The discharge device may be arranged in series with the saturating winding of a reactor 39 in series with an alternating current circuit supplying lamps 10. The lamps may be directly in series with the electric discharge device. Several circuits may be simultaneously controlled by the same shield as indicated in Fig. 1. In a modification several circuits are so controlled as to give changing mixtures of coloured lights by shields, one for each circuit, driven in common but at different speeds by the interposition of gears of different ratio in the several drives. Specification 357,572, [Group XL], is referred to.
Patent GB-306592-A (GB)
Title: Improvements in or relating to telephone systems
IPC: H04Q3/00
Filed: 1927-11-23
Abstract: 306,592. Automatic Telephone Manufacturing Co., Ltd., and Beale, C. E. Nov. 23, 1927. Automatic and semi-automatic exchange systems.-In a private branch exchange system 100-point or 200-point connectors can be used to their full capacity in addition to getting operator-connection on dialling " O," by prefixing all ordinary numbers by a discriminating digit. On receiving the said digit the switch drops back, and a relay is operated to disconnect the operator connection. In the case of the 200 point switch, two such relays are used. which both have the above function, but each of which is operated by a single discriminating digit to connect up one of two sets of wipers. The arrangement can be used in other applications. In a 100-point connector, if " 0 " is dialled first, springs NP2 are operated to connect earth from 115 to light an operators lamp over a wiper of the calling subscriber's line-switch. When the operator plugs in, the switch is released. Springs NP3 are also operated to disconnect dial tone DT and connect up ringing tone to inform the subscriber that the operator is being called. Receipt of an initial discriminating digit 6 operates springs NP1 to operate in parallel relay R and release magnet Z, so that when the switch drops back, R operates fully, opening the circuit of magnet Z; if digit " O " is now dialled, operation of springs NP2 has no effect since earth has been removed therefrom at contacts 115. According to the Provisional Specification slight circuit modifications would obviate the dialling of the critical digit except in the case of levels 6 and 0. Release. Release is under control of calling party, unless connection 120 is made, when there is last-party release.
Patent GB-454191-A (GB)
Title: Improvements in and relating to current collecting devices
IPC: H02K13/00
Filed: 1935-11-14
Abstract: 454,191. Collecting-rings for dynamoelectric machines. BRITISH THOMSONHOUSTON CO., Ltd., Crown House, Aldwych, London. Nov. 14, 1935, No. 31558. Convention date, Nov. 15, 1934. [Class 35] A plurality of flanged collecting- rings are concentrically arranged in spaced relationship on an insulating support with their contact faces in the same plane, the material of the support extending into the angle defined by the face of each ring and its flange. In the form shown, the rotatable primary member 1 has its windings connected to rings 11 resting on the raised portions of the insulating block 7, and the rotor windings are connected to a stud 14 and a ring 15 carried by an insulating mass 16 secured to the rotor shaft. Insulation may be moulded to the inner surfaces of the rings after they have been cut from a single silver plate or the ring flange may be pressed into engagement with the undercut side of a pre-formed insulating block. The rings are engaged by silver contacts 17 carried by flexible bronze strips 171 secured to terminals 18 on an insulating block 19.
Patent GB-1179598-A (GB)
Title: A Melt-Spinning Head for the production of Conjugate Filaments
IPC: D01D5/30
Filed: 1967-07-10
Abstract: 1,179,598. Melt-spinning head for the production of conjugate filaments. SNAM PROGETTI S.p.A. 10 July, 1967 [11 July, 1966 (2)], No. 31725/67. Heading B5B. As shown in Figs. 1 and 8 which are longitudinal cross-sections of two embodiments of the melt-spinning head of the invention, 1 is a housing, 2 is a spinneret plate provided with extrusion orifices 9, 3 is an insert having an annular protuberance which can be accommodated in a recess in the inlet face of the spinneret plate, 4 and 4<SP>1</SP> are sand filtering beds for two different polymers, 5 and 5<SP>1</SP> (Fig. 8) are collection chambers for the two polymers, 6 and 6<SP>1</SP> are filtering gauzes for the two polymers, 7 and 7<SP>1</SP> are feed ducts in the insert for separately feeding the two polymers to grooves 8 and 8<SP>1 </SP>in the annular protuberance of the insert. In the spinning head shown in Fig. 8 the protuberances on the outlet face of the insert take the form of two concentrically disposed annuli. The crosssections of grooves 8 may differ from those of the grooves 81. Some of the grooves may be absent or blocked in order that some of the extrusion orifices extrude filaments consisting of a single polymer. The extrusion orifices may be of non-circular cross-section. The polymers extruded may differ chemically, such as nylon 6 and polyethyleneterephthalate, or nylon 6 and nylon 66, or may be two polymers of the same chemical composition but different molecular weight.
Patent GB-883449-A (GB)
Title: Mechanically locked electrical connector
Inventor: FELTS GORDON PRICE
IPC: H01R13/627
Filed: 1959-09-18
Abstract: 883,449. Two-part couplings. MICRODOT Inc. Sept. 18, 1959, No. 31909/59. Class 38 (1). In a two-part connector A, B comprising telescoping metal shells 26, 49 containing central contacts 25, 48 supported by insulating bushings 42, 50, shell 27 carries a sleeve 32 formed with elongated spring fingers 33 having hookshaped ends 34 which, in the engaged condition of the connector, enter a circumferential groove 51 in the shell 49 to lock the connector parts together. Slidable on the shell 26 is an unlocking sleeve 37 formed with an inwardlyextending end flange 39 having a cam surface 40 which lifts the fingers 33 out of the groove 51 when the sleeve is slid to the left in the drawing, thereby enabling the connector parts to be separated. As shown, the connector part A has a coaxial cable coupled thereto, connection between the outer conductor 11 and the shell 26 being effected through a sleeve 10 soldered at one end to the conductor 11 and formed at the other end with spring fingers 15 which engage the interior surface of a rearward extension 28 of shell 26, said sleeve 10 being retained in the rearward extension by a cap 16 formed with spring fingers 19 which engage a circumferential groove in the outer surface of the extension. The cap 16 and adjacent part of the cable 18 are surrounded by a body of resilient insulating material which prevents sharp bands being made in the cable. Connection between the shells 26, 49 is effected by a sleeve 35 secured to shell 26 and formed with spring fingers 36 which engage shell 49.
Patent GB-281874-A (GB)
Title: Improvements in or relating to covers for inspection and like openings in hollow bodies
IPC: B64C35/00
Filed: 1926-12-16
Abstract: 281,874. Barlow, A. C., and Wright, M. E. A. Dec. 16, 1926. Manhole and handhole covers.-An indiarubber or like cover a for inspection openings in hollow bodies such as seaplane floats, has a beaded rim b engaging the flanged mouth of the opening and a central portion reinforced by an embedded sheet-metal disc f. To exclude dirt and to constitute pressure equalizing non-return valves, the indiarubber layers above and below the disc have openings n, m adjacent to but out of register with holes h, g in the disc and holes j, k in the rubber.
Patent GB-160545-A (GB)
Title: Improvements in and relating to the heels of boots, shoes, and other footwear
IPC: A43C13/02
Filed: 1919-12-20
Abstract: 160,545. Perini, G. Dec. 20, 1919. Protectors, securing.-A resilient pad 8'of circular or horse shoe shape is provided with a circular boss 9 fitting into a spherical recess 4 in a heel. The boss 9 tapers from the top downwards and the recess 4 is greater than a hemisphere so as to retain the pad. A hole 10 is provided in the pad for the passage of air and for the insertion of a tool for removing the pad.
Patent GB-1182377-A (GB)
Title: Mouldings, Coatings, Films and Bonds from Epoxide Compounds
Inventor: GIPP ROLAND
IPC: C07C205/57
Filed: 1968-07-05
Abstract: 1,182,377. Coated metal sheet. FARBENFABRIKEN BAYER A.G. 5 July, 1968 [6 July, 1967; 10 Aug., 1967; 19 Aug., 1967], No. 32131/68. Heading B2K. [Also in Divisions B5, C2 and C3] Coating compositions used in coating metal sheets comprise epoxy resins cured at 20- 300‹C with an aromatic polyamine of general formula: R(OCOArNHR<SP>1</SP>) n  in which R is a radical formed by elimination of the hydroxyl groups of polyhydric aliphatic, cycloaliphatic or araliphatic alcohols; Ar represents an optionally substituted phenylene or naphthylene radical; R<SP>1</SP> is hydrogen or an alkyl radical and n is an integer from 2-10. Preferred compounds have the formula: in which R<SP>2</SP> is the radical formed by elimination of hydroxyl groups form: (A) a C 2-10  dihydric to tetrahydric alcohol whose hydrocarbon chains may be interrupted by one or more O atoms or by a cyclohexane ring, (B) a C 6-15  dihydric cycloaliphatic alcohol, or (C) a dihydric to decahydric araliphatic alcohol; n is 2 to 10. The NH 2  groups are preferably meta or para to the carboxylic ester group. In an example a diglycidyl ether of 1,4-butane diol (epoxide equivalent 150, 100 grams) is mixed with 91 g. of bis(m-aminobenzoate) of bis-hydroxyethyl bisphenol A and dissolved in a 1:1:1 mixture of butyl acetate, toluene and ethylene glycol monomethyl thio acetate to give a 50% solids mixture. This is poured onto an iron plate which is stored for 30 minutes at room temperature and cured 24 hours at 120‹C to give a smooth, firmly adhering and highly elastic coating.
Patent GB-897954-A (GB)
Title: Improvements relating to dynamic braking of a.c. motors
Inventor: CHOUDHURY SHAFI UDDIN AHMED
IPC: H02P3/24
Filed: 1960-09-20
Abstract: 897,954. Control of A.C. motors. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Dec. 30, 1960 [Sept. 20, 1960], No. 32293/60. Class 38 (3). An induction motor is braked by disconnecting its primary winding from the supply and connecting capacitors c in series with resistors R1 across the terminals of the motor. Dynamic braking then occurs due to self-excitation of the motor, and the voltage generated by the motor falls with the speed. At a predetermined voltage value, relay 2 drops out to close contacts 2a, 2b, thereby connecting resistors R2 across the terminals. The resistors R1, R2 may be variable, a variable resistor R3 being in series with the coil 2c. In another arrangement, the relay 2 is of the time-delay type. Alternatively, the first and second stages of braking may be initiated by means of limit switches. Specification 838,881 is referred to.
Patent GB-974627-A (GB)
Title: Dispersions of ferromagnetic metals
IPC: C09D5/23
Filed: 1961-09-08
Abstract: A dispersion comprises 1 to 95% by weight of discrete particles of iron, cobalt and nickel having substantially uniform diameters in the range of from 10 to 1000 <\>rA units and 99 to 5% by weight of a dispering medium comprising one or more copolymers of monomers containing a single polymerizable group, or a solution of said copolymer(s) in a solvent having an acid dissociation constant less than 10-20, said copolymer(s) having a molecular weight of at least 20,000 and having a carbon and hydrogen content of from 60 to 100%, the metal particles being encapsulated by said dispersing medium. The dispersions are made by decomposing compounds of the metals in the polymer dispersion and, if necessary, concentrating the dispersion. The polymer exemplified is a copolymer of methyl methacrylate and polyethyleneglycol (1800) methyl methacrylate.ALSO:A dispersion comprises 1 to 95% by weight of discrete particles of iron, cobalt and nickel having substantially uniform diameters in the range of from 10 to 1,000 <\>rA units and 99 to 5% by weight of a dispersing medium comprising one or more copolymers of monomers containing a single polymerizable group, or a solution of said copolymer(s) in a solvent having an acid dissociation constant less than 10-20, said copolymer(s) having a molecular weight of at least 20,000 and having a carbon and hydrogen content of from 60 to 100%, the metal particles being encapsulated by said dispersing medium.  The dispersions are made by decomposing compounds of the metals in the polymer dispersion and, if necessary, concentrating the dispersion. The polymer exemplified is a copolymer of methyl methacrylate and polyethylene-glycol (1800) methyl methacrylate.
Patent GB-172949-A (GB)
Title: Improvements in screwing die-heads
IPC: B23G5/12
Filed: 1921-12-03
Abstract: 172,949. Reinery, R. Dec. 18, 1920, [Convention date]. Screwing die-heads. -In concentric dieheads of the pivoted die-carrier type, the ring g, Fig. 2, which actuates the die-carriers h, is fitted with a rod f on which the controlling-ring a is slidably mounted. The ring g is oscillated to operate the dies, by means of axial displacement of the ring a which carries blocks d formed with coarse-pitch helical ends engaging similar blocks c secured to the body b. The dies mav be adapted to close with a right or left-hand motion of the ring a by removing the set-screw n from engagement with an axial groove in the rod j, and replacing it after the ring a has been set to engage the blocks on their appropriate sides. During setting of the dies, U-shaped springs i, Fig. 7, mounted in recesses in the ring g, are compressed by one of the stops m, m<1> in the body b and open the dies on disengagement of the wedge-blocks.