baber/WOPTO huggingface dataset:
Patent GB-1178595-A (GB)
Title: Improvements in or relating to Hydraulic Braking Devices
Inventor: LINHART VLADIMIR
IPC: B60T13/18
Filed: 1967-06-26
Abstract: 1,178,595. Vehicle brakes. CKD PRAHA, OBOROVY PODNIK. 26 June, 1967, No. 29330/67. Headings F2E and F2F. An hydraulic parking brake, braking at least two wheels of a motor vehicle operates via a cable 20 passing over an equalizing device, its ends being attached to the expanders 21, 22 for the brake shoes of two wheels. The brake is operated by means of a pump 3, which as shown is double-acting, and brake cylinder 7 which is secured to the frame of the vehicle and carries two pulleys 14, 15. The piston-rod 12 carries a further pulley 16, the cable 20 passing over this and the pulleys 14, 15. A one-way valve 9 is operable by means of a lever carried on the brake handle 4 and operating rod 10 to release the brake, under the action of a spring 13. The piston-rod 12 is provided with a threaded extension 17 passing through a frame member 18 and carrying a nut 19 which can be tightened to hold the brake in the operative position. As shown the arrangement is used on a crane and a rotating joint 6 is interposed in the hydraulic system to allow the rotation of the cab carrying the pump 3.
Patent GB-364122-A (GB)
Title: Improvements in or relating to telephone and like cables
IPC: H01B13/02
Filed: 1930-10-01
Abstract: 364,122. Cables. HACKETHALDRAHTUND KABEL-WERKE AKT.- GES., Staderlandstrasse, Hanover, Germany. Oct. 1, 1930, No. 29409. Convention date, Oct. 1, 1929. [Class 36.] In the stranding machine of the type comprising guides between the stranding heads and nipple adapted to be given a rotary oscillation to produce a to-and-fro movement of the cross-talk compensating pairs in a compensating length of quadded cable, the guides are each adapted to receive two unstranded cores and to be oscillated from cams which drive sleeves sliding on the main shaft to transmit motion to the guides through rack, pinion and bevel gear. In the embodiment, double guides 11, 12 are mounted between a stranding nipple k and rotating frames a .. d. Each guide, Fig. 4, comprises tubes 13 which are fixed in a common tube 14 rotatable in a bearing 15. The cores pass untwinned through the tubes 13. For normal D.M. stranding the guides 11, 12 are positively connected to the rotating frames by cardan shafts 16, 17. For compensating stranding, the shaft connection is broken and a connection n is coupled up as shown. Cams x, y engage rollers on levers w, v which are pressed by springs z against the cams and which transmit the movement to sliding rings q, r on a main shaft p. Each ring q, r is connected to a rack s, and a spur and bevel wheel system t turns the reciprocating movement into rotary oscillation. In order to fix the cores in position in the cable and for spacing, each pair may be wound with a thread or paper strip. Fig. 5 shows the fitting of a thread winder to the guides. The rotation of the head provides the drive, a gear wheel 0 rolling on a stationary gear wheel N to transmit the rotation through a shaft P, gears 20, 21 and a sleeve Q to the winder R. The control apparatus of gearing and cams for the guides 11, 12 may be fitted beyond the stranding machine, the main shaft p being formed with a backward extension. The drive of the control apparatus is taken either from the stranding head or take-off shaft, which ever is run at constant speed. When the cam systems run at different speeds, means, such as claw or friction couplings, are provided to connect the shafts of the cams alternately to the faster and slower running drive mechanism. The change-over may be automatically controlled by a cross-shaft which at the point of reversal actuates switch-over levers. The machine may be applied to stranding groups of higher order, e.g. for eights, the cores are replaced by pairs. Specifications 356,376 and 360,456 are referred to.
Patent GB-171683-A (GB)
Title: Improvements in wireless transmitting systems
IPC: H01Q1/48
Filed: 1921-11-04
Abstract: 171,683. Pedersen, P. O. Nov. 18, 1920, [Convention date]. Aerials; transmitting systems and apparatus.- In order to reduce the apparent resistance of an aerial, the oscillation-generator 3 is connected to the aerial 1 and to earth or an earth-screen 2 by a plurality of uniformly distributed connections such as 5, 5<e> joined to the generator by pairs of closely adjacent horizontal leads such as 8, 9. Inductances 7 are employed to adjust the phases of the currents in the connections.
Patent GB-342359-A (GB)
Title: Improvements in the treatment of hydrocarbons
IPC: C07C2/00
Filed: 1929-08-21
Abstract: Unsaturated hydrocarbons; aromatic hydrocarbons.-Homologues of methane e.g. ethane, propane, and butane, are treated in the gaseous phase to produce (a) olefines and diolefines, e.g. butadiene and acetylene (b) aromatics such as oils containing benzene.  The materials treated may consist of pure hydrocarbons, mixtures thereof with one another, or mixtures containing diluents, for example, methane.  The hydrocarbons are passed through a heated space at 1000-1200 DEG  C. or more, and at a space velocity of 50 to 100 or 200, or even several thousand reciprocal minutes.  Packing of the reaction chamber should not be used, and catalysts are usually unnecessary, although the walls may exert a catalytic influence. Suitable gases for treatment are natural gases, or gases from the destructive hydrogenation of coal, gases from oil-cracking plants and other hydrocarbons with at least two carbon atoms in the molecule. The reaction vessel may be a carborundum vessel one inch wide, or the plant material may be bonded graphite or heat-resisting alloys such as alloy steels e.g. nickel chromium or chromium steels.  The reaction chambers should be very narrow in relation to their length or width.  An increased yield of naphthalene is obtained by using reaction vessels whose walls are constructed of or lined with an alumino-silicate refractory such as the mineral sillimanite.  In some cases other hydrocarbons such as anthracene are formed.  The reaction vessel can be externally heated, or internally by means of radiation from an electrically heated member, or by an inner tube through which heating gases flow.  In the example, pure propane is treated at 1150 DEG  C., the space velocity being 300 reciprocal minutes.  The yield of oil, which is largely benzene or its homologues, is 0,65 gallons per 1000 cubic feet of gas.  The exit gas contains hydrogen, unsaturated hydrocarbons and hydrocarbons mainly lighter than propane.  At a space velocity of 350 reciprocal minutes, the yield of benzene falls to 0,50 gallons per 1000 cubic feet, while the yield of unsaturated hydrocarbons increases. Ethylene so produced may be treated for the production of ethyl alcohol.  Specifications 264,827, 309,455, 309,488, 324,939, and 342,319, [all in Class 2 (iii), Dyes &c.], are referred to.  In the first Provisional Specification the space velocity most suitable for a maximum yield of ethylene and minimum carbon deposition is stated to be about double that necessary for maximum carbon deposition and about 1 1/2 times that for maximum yield of benzene, the initial material in each case being a methaneethane mixture.  A multistage process is also described.  The production of ethylene, acetylene, propylene, butylene, butadiene, and benzene is mentioned.  The second Provisional Specification includes the treatment of unsaturated hydrocarbons e.g. ethylene and acetylene.  This also refers to a multistage process.
Patent GB-177193-A (GB)
Title: Improvements in and relating to thermionic generators of high frequency electric oscillations
IPC: H03B5/10
Filed: 1920-10-19
Abstract: 177,193. Round, H. J., and Eckersley, P. P. Oct. 19, 1920. Right to Patent relinquished. Thermionic oscillation generators, more especially for producing high - frequency oscillations of short wave-length, are characterized by the inclusion in the plate circuit of an additional inductance which is tightly coupled to the aerial inductance but does not form part of the main aerial oscillatory circuit. By means of this arrangement the inductance. in the plate circuit can be increased to the value necessary for efficient working of the valve, without increasing the main aerial inductance. The additional inductance l may be in series with the main aerial inductance L, as shown in Fig. 2, or may be separate from it as shown in Fig. 3. The points X and Y need not be connected and they may be earthed separately; for example the point X may be connected to a balancing capacity.
Patent GB-300778-A (GB)
Title: Improvements in pickers for looms
IPC: D03D49/36
Filed: 1927-11-04
Abstract: 300,778. Spencer, Moulton, & Co., Ltd., G., and Glascodine, R. T. Nov. 4, 1927. Addition to 253,264. Pickers.-In metal pickers of the kind described in the parent Specification, the rubber striking part 6 is carried by the head 4 of a readily removable metal pin the stem 3 of which passes through a hole in the metal body of the picker, and is secured by means that maintain the head of the pin against the picker body at 7. The pin has undercut grooves on to which is mounted a vulcanite face 5 of the rubber shuttle-engaging part 6. The pin is secured in place by a nut and lock nut on its threaded projecting end, or by a split pin or cotter 11 as shown. Rotation of the pin is prevented by a key 8 in the pin and a keyway 9 in the picker body. The hole for the picker spindle may be lined with lead-asbestos or other dry packing held in place by a ferrule 13 secured by a screw 14 at one or both ends of the spindle hole. The usual strap slot 15 is provided, or a steel wire may be passed through a bushed hole below and at right angles to the spindle hole and bent over the top of the picker to form a stirrup for engagement by the picking-strap.
Patent GB-269089-A (GB)
Title: Improvements in or relating to atomiser for liquids
IPC: C01B17/84
Filed: 1926-11-23
Abstract: 269,089. Martin, F. E. Nov. 23, 1926. Apparatus for spreading liquids.-An atomizer for liquids, more particularly for viscous or corrosive liquids; has a receptacle formed by upper and lower trays a, b on a hollow shaft e, the lower tray b having a number of holes b<1> in its periphery. The upper tray a is extended to form bells a', a<2>, a<3> arranged outside the tray b. The liquid to be atomised is introduced into the hollow shaft and the apparatus is rotated at a high speed; jets of liquid are then expelled from the holes b<1> and impinge upon the bell a<1>. Any liquid not atomised by this operation runs along the bell surface and upon reaching the rim is thrown by centrifugal force against the bell a<2> and the process is completed by impact against the third bell a<3>.
Patent GB-885906-A (GB)
Title: Method of conditioning transmission lines in situ
IPC: B08B9/04
Filed: 1960-08-29
Abstract: <PICT:0885906/III/1> <PICT:0885906/III/2> A method of conditioning underground pipe lines in situ comprises positioning a number of pairs of spaced leading and trailing movable barriers 20, 21, Fig. 2, in a pipe line 3 to form chambers 22 which are filled with conditioning mediums, the filled chambers and barriers being moved as units through the pipe line by exerting air pressure respectively on the forward and rear parts of the barriers 20, 21, the pressure on the barriers 21 being greater that that on the barriers 20.  The filled chambers 22 are filled respectively with a degreasing solvent such as acetone to remove hydrocarbon deposits, hydrochloric acid to remove scale, corrosion and rust, aqueous ammonia or caustic to neutralize the acid, water to rinse the line, phosphoric acid to phosphatize the clean line, water to further rinse the line, a solvent such as methyl ethyl ketone to dry the line, and epoxy resins dispersed in a solvent such as methyl ethyl ketone to coat the interior of the line.  The coated line is then dried by conducting air through the line and simultaneously maintaining the air pressure within the line in an amount which is greater than the vapour pressure of the solvent in the coating composition whereby the solvent may be removed from the composition at such a rate that it will not form, bubbles in the coating composition as the latter is dried.  As shown in Fig. 1, sections of the line are disconnected from the ends of the line which are then coupled to tubular elements 7, 8 which are provided with closures 9, 10, valves 11, 12, 11a, 12a and pressure guages 13, 13a.  Air is supplied to the line from compressors 16, 16a through valves 15, 15a, whilst the conditioning medium is introduced from a suitable source through a valve 14 and pumped from the line to a receptacle 14b through a valve 14a.  The barriers 20, 21 each consist of pairs of cup-like rubber elements 23 connected by an annular rubber portion 27 which may be provided circumferentially with wire brushes. Alternatively the portion 27 is provided on one side only with cups which open toward or away from the conditioning medium, in the latter case an annular wire brush being connected to the portion 27.
Patent GB-647734-A (GB)
Title: Improvements in reactivation of spent media from the purification of liquids with activated magnesia
IPC: C13B20/02
Filed: 1947-11-07
Abstract: The magnesium hydroxide contained in the exhausted precipitate obtained by purifying liquids with activated magnesia is reactivated by converting it into the carbonate and thence to the oxide.  The magnesium hydroxide may either be converted into the bicarbonate by passing carbon dioxide, preferably under pressure, into a suspension of the precipitate until the pH is 6.5, boiling the solution and calcining the separated carbonate at 500 DEG  to 950 DEG  C., or be converted into the carbonate by carbonating a slurry of the precipitate until the pH is 9.0 and calcining the resulting carbonate.  The Specification as open to inspection under Sect. 91 comprises also washing the precipitate free from sugar, dewatering under vacuum and heating the resulting cake to 550-900 DEG  C.  This subject-matter does not appear in the Specification as accepted.
Patent GB-1511325-A (GB)
Title: Indicating an asphericity of the cornea of an eye
IPC: A61B3/10
Filed: 1975-07-16
Abstract: 1511325 Indicating asphericity SURGICAL MICROSYSTEMS Inc 16 July 1975 [17 July 1974] 29750/75 Heading G2J [Also in Division F4] A method of indicating asphericity in an object, e.g. the cornea, comprises directing an annular beam of light radially of the cornea and noting the shape of the reflected beam, acircularity thereof indicating asphericity in the cornea. The beam of light may be provided by twelve lamps, (40) see Figs. 2 to 5 (not shown), arranged uniformly about a circle in a head (30) attachable to a binocular microscope having a reticle (50) in an adjustable eye-piece (45), and the lamps may be replaced by a toroidal lamp, or ambient light entering the head (30) may provide the annular beam. In a modification, Fig. 6, in which the head (30) is not shown, a single-objective microscope 66 has means 67 for projecting an image of a rotatable reticle 74 and superimposing it on the image provided by the reflected beam, see Fig. 8 (not shown). The reticle comprises an opaque member having two transparent arms (76, 77) crossed at right angles and two windows (78, 79) through which scale readings are projected. An adjustable mask enables portions of the arms to be obscured.
Patent GB-175693-A (GB)
Title: Improvements in shock-absorbing devices for the steering-wheels of velocipedes, motor-cycles, cycle-cars and the like
IPC: B62K25/12
Filed: 1920-10-21
Abstract: 175,693. Peters, J. A. Oct. 21, 1920. Spring devices. - In spring steering-forks for velocipedes, motor-cycles, cycle-cars, &c. having the fork limbs A hinged to the lower end of the steering- stem C, the motion is controlled by a leaf spring G situated and contained within the stem. The shaft A' of the fork is formed with a central socket F to house the butt end of the spring, one or more of the leaves being slightly tapered at the lower end in order to facilitate insertion into the socket. At its upper end the spring fits between pins I, J in the cap K. For lubricating the spring leaves and the bearing of the shaft A<1>, the stem is filled with grease, and perforations M provide for the lubricant also reaching the lower ball race of the stem.
Patent GB-1508855-A (GB)
Title: Textile printing
IPC: D06P1/613
Filed: 1975-07-16
Abstract: 1508855 Printing process using reserve agent PRODUITS CHIMIQUES UGINE KUHLMANN 16 July 1975 [16 July 1974] 29794/75 Heading D1B A process for printing textile fibre materials comprises, in the same operation, printing with a discharge reserve printing paste, which may be white or contain a non-reducible dye and which contains a reducing agent and a reserve agent consisting of (a) at least one compound of formula: where R is H, or up to C 22  alkyl which may be unsaturated, aryl, aralkyl, or alkaryl, p is 0 or 1, q is 0-100 r is 0-140 and at least one of q and r is not 0, and (b) a solid waterinsoluble finely divided mineral substance; and overprinting, wet on wet, with at least one background printing paste containing an oilin-water emulsion the aqueous phase of which contains at least one reducible dyestuff and an organic hydrophilic compound. The print is then dried, fixed and washed. Mineral substances are preferably titanium oxide, zinc oxide, kaolin, barium sulphate or zinc sulphide. Non-reducible dyestuffs may be disperse, direct, basic, acid, vat, reactive, chromium or azo dye components.
Patent GB-885074-A (GB)
Title: Torque responsive control device
IPC: B23Q15/12
Filed: 1959-09-01
Abstract: 885,074. Reverse gear. EDDY, W. C. Sept. 1, 1959, No. 29818/59. Class 80 (2). [Also in Group XXII] A machine tool is provided with torque responsive means for reversing the direction of rotation of the tool upon overload. As applied to a tapping machine, a double friction clutch plate 34 is splined to a driven shaft 26 and cooperates with a clutch plate 30 fast on a shaft 24 driven by an electric motor 16, and with a clutch plate 32 driven in reverse by gearing 40- 55. The shaft 26 drives an intermediate output shaft 22<SP>1</SP> through a spring 130 secured to collars 134, 132 fast with the shafts 26, 221 respectively. On overload the spring is tensioned and a contact element 138 on the collar 134 engages a contact 139 or 140 on the collar 132 to complete an electric circuit shifting the clutch plate 34 into engagement with plate 32 or 34 to reverse the rotation of the driven shaft 26. The intermediate output shaft 22<SP>1</SP> drives an output shaft 22 through a pin-and-slot connection 116, 114 permitting axial movement of the shaft 22 so that the tapping die can feed itself on to the work without movement of the entire unit. A contact 196 on the shaft 22 engages contacts 192, 194 at the ends of its stroke to reverse the rotation. A spring 124 returns the shaft 22 upwardly on the return stroke. The clutch plate 34 is formed with a groove 98 and a piston 90, or a diaphragm, is operatively connected to the plate by a ball bearing in the base of the groove. Air is admitted to either side of the piston under the control of a valve 152 controlled by a solenoid 154.
Patent GB-204935-A (GB)
Title: Improvements in ovens or kilns for firing pottery and other ware
IPC: F27B5/00
Filed: 1922-11-01
Abstract: 204,935. Bennett, C. F. Nov. 1, 1922. Muffle furnaces.-In an oven &c. for firing pottery &c. in order to prevent the passage of the flue gases into the interior, the flues a are separated by mid feathers b having cavities in which the tongued edges of the fireclay quarries d are secured by cement. The quarries meet in a tongue-and-groove joint d<1>, d<2>.
Patent GB-828828-A (GB)
Title: Polymerization of alpha-olefines
IPC: C08F10/02
Filed: 1956-10-01
Abstract: An a -olefine is polymerized in bulk at a temperature of at least 175 DEG  C. and a pressure of at least 500 atmospheres and using as catalyst a Ziegler-type complex in amount between 25 and 500 parts by weight per 1,000,000 parts by weight of the olefine.  The catalyst may be as described in Specification 799,392 and is preferably formed from a titanium halide and an aluminium trialkyl.  The olefines specified are ethylene (preferably pure), ethylene-containing gas streams, propylene, butene-1, isobutylene, butadiene, isoprene and mixtures thereof.  Other features described are a continuous polymerization process and the purification of polymer using water.
Patent GB-391232-A (GB)
Title: Improvements in and relating to electric time delay relay apparatus
IPC: H05G1/38
Filed: 1931-10-28
Abstract: - 391,232. Control systems for consuming devices ; converting. B R I T I S H THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London.-(Assignees of Kearsley, W. K. ; 1606, Randolph Road, Schenectady, New York, U.S.A.) Oct. 28, 1931, No. 29901. Convention date, Oct. 28, 1930. [Classes 38 (ii) and 38 (iv).] A supply of current for a desired period is obtained from a source 4 by means of a threeelectrode electron discharge device 1 and a condenser 2, which is first charged and then connected in parallel with the catbode-grid circuit of the device 1 and with a selected discharge resistance 9. In order that the condenser shall not lose any of its charge if connected to the discharge device before the half wave of current in the latter has ceased, a second discharge device 18 is first rendered nonconducting and connected in series with the condenser which is then connected to the discharge circuits. The switch 3, which effects these connections in turn, and also makes the charging circuit for the condenser, may be arranged finally to short-circuit the discharge device 18. The device 18 is rendered nonconducting, so long as current is passing in the device 1, by connecting its grid to the negative terminal of a resistance 6 in the anode circuit of the electron discharge device 1. The potential of the condenser 2 is determined by the break-down voltage of a two-electrode. space discharge device 28, and a resistance 281 prevents surges. The invention is described as applied to control the grid voltage of a space discharge device 17 in the supply circuit of an X-ray tube 14 for timing exposures. ‹So long as current is flowing in the device 1 a resistance 8 causes a strong negative bias which renders the device 17 nonconducting.
Patent GB-1559334-A (GB)
Title: Polymerisation of vinyl chloride
IPC: C08F14/00
Filed: 1976-07-19
Abstract: According to the invention, vinyl chloride monomer or a monomer mixture essentially comprising vinyl chloride is polymerised in a polymerisation reaction whose internal walls and stirrer and other surfaces which come into contact with the monomer or the monomers have been coated with a mixture of at least one electron-donor compound and at least one electron-acceptor compound. This method greatly reduces the deposition of polymer crusts on these surfaces, and a high-quality polymer can be produced.