baber/WOPTO huggingface dataset:
Patent GB-471542-A (GB)
Title: A safety device for distillation apparatus and the like
IPC: B01D1/00
Filed: 1936-03-05
Abstract: <PICT:0471542/III/1> In a safety device for steam heated stills, solvent degreasing plants, and like apparatus wherein means for vaporizing a volatile substance are associated with a condenser supplied with a stream of cooling liquid, the cooling liquid issuing from the condenser, or a part thereof, is caused to flow into a container having a leak of predetermined size (which may if desired be adjustable) in the lower part and an overflow discharge in the upper part, and float mechanism adapted to cut off the supply of heat to the vaporizing means when the water level in the container falls substantially below that of the overflow discharge.  As shown for use in connection with a degreasing apparatus of known type (not shown), water from the condensing coils passes through a pipe 8 into a float chamber 19 in the container and thence through a leak 12 to an outlet chamber 18, a slight overflow being allowed at an outlet 14.  The size of the leak 12 is chosen so that the escape of water therethrough is not less than the quantity of water required to condense all the vapour generated in the degreaser. If the supply of cooling water fails or becomes too small, the level of the water in the float chamber 19 falls and a float 2 closes the outlet of a steam trap 5.  The condensate of the steam trap thereupon collects in the heating pipe and in known manner interrupts the supply of steam and consequently prevents the further vaporization of solvent.  When the supply of cooling water is restored the float rises and allows the condensate to escape thereby restoring the supply of steam.  The steam trap may be of the expanding bellows type wherein the condensate is discharged practically continuously.  In a modified arrangement the condensate is directed so that it does not flow into the space 19. Specification 337,770, [Class 32], is referred to.
Patent GB-239557-A (GB)
Title: Improved process for reducing ores
IPC: C21B13/00
Filed: 1924-03-15
Abstract: 239,557. Ellis, R. E., (Gamlen, R. L.). March 15, 1924. Dry processes of extracting metals.-In a process for reducing ores, pulverized fuel fed by a conveyer 3 to a shoot 4 is sprayed in a stream into the combustion chamber 6 of a furnace by a brush 5 rotating at a. high speed, the fuel being picked up by, and mixed with, a stream 8 of air which is heated to over 800‹ C., is at atmospheric pressure or below, and is fed into the furnace below the fuel. The jets 7, 8 combine and produce an intensely hot flame which plays upon the wall 9 of the partially reduced ore and slag from the chamber 6<1> and completes the reduction of the ore &c. The ore &c. in the chamber 6<1> is partially reduced before reaching the flame by the gases from the chamber 6, said gases being drawn through an air preheating device 10, and ducts 11, 12, 13 by an ejector or vacuum pump, the duct 13 leading into the bottom of the chamber 6<1> but behind the wall 9. The air is drawn through the mouth 10<11> of the preheater 10 by a fan and passes through conduits 31, Fig. 4, alternating with conduits 31, through which the combustion gases are drawn, the preheated air passing to the air jets by pipes 10<1>. The gases drawn through the ducts 12, 13 pass through a baffling chamber 14 in which any dust &c. is deposited, said dust &c. being deposited in a trough 15 and removed by a conveyer 16. Specifications 167,475 and 238,582, [both in Class 51 (ii), Furnaces and kilns for applying &c.], are referred to.
Patent GB-330595-A (GB)
Title: Improvements in appliances for golf practice
IPC: A63B57/00
Filed: 1929-03-01
Abstract: 330,595. Radley, B. V. March 1, 1929. Golf-practising appliances. - An appliance for use indoor or outdoor comprises a ball magazine, a teeing cup, a pivoted cradle adapted to discharge a ball from the magazine to the teeing cup and, if desired, a chute up which a ball may be played into the magazine. Balls placed in the open end A of the magazine 3 mounted on brackets 2' on the baseboard 2 roll to the end 5 where the first ball falls into the cup 9 of the cradle 6 pivoted at trunnions 7. On rocking the cradle 6, by depressing the projection 11, the ball rolls along guide-bars 12 on to the tee circle 15 the centre of which being slightly out of line with that of the guide bars 12, imparts a slight spin to the ball falling thereon after it has overrun the hole 15, hits the V-shaped cushion 21 which returns it to the hole 16. When released the cradle returns to receive the next ball from the magazine 3. For convenience in packing, the tee circle 15 is fitted in an arm 14 pivoted about a pin 13, and a hinged part 3<1> is provided to cover the cradle 6. A filling chute for the magazine may be provided. comprising a chute 24 having sides 24<1> only half way up, sloping upwards from the ground at the end 25 and terminating at its end 27 in a dished tray 28 having a central hole 26 leading through a chute 26' to the feeding end A of the magazine. This chute is used to practice putting, balls played correctly falling into the hole 26, others passing over the back of the tray 28 and striking an adjustable wall 29 which returns them for replay.
Patent GB-1380576-A (GB)
Title: Transmission systems
IPC: F16H61/46
Filed: 1971-03-13
Abstract: 1380576 Hydrostatic transmission control CONVEYANCER Ltd 20 April 1972 [13 March 1971] 6825/71 Heading F2D A hydrostatic transmission for a load handling vehicle comprises a fixed displacement gear type pump 4 driven from a variable speed prime mover 1 through a hydrodynamic torque converter 3 and supplying pressure liquid through a metering valve 11 and forward-reverse valve 13 to a variable displacement swash-plate motor 16 whose displacement is varied in response to the pressure in the high pressure line. A shuttle valve 23 connects the high pressure line 14 or 15 to the motor adjusting actuator 22 and an increase in pressure in the high pressure line increases motor displacement and thus output torque. Manually controlled valves 6, 7, 8 selectively supply pressure liquid from the pump 4 to ancilliary services. A high pressure relief valve 24 is provided. As shown, the forwardreverse valve 13 blocks the motor supply and return lines in its neutral position to provide a braking effect on the motor. In Fig. 2 (not shown) the forward-reverse valve 13 interconnects the motor supply and return line in its neutral position to permit freewheeling of the motor 16. The pump may supply a plurality of motors, one for each drive wheel of the vehicle.
Patent GB-1375924-A (GB)
Title: Servo-valves
Inventor: FLEURY J
IPC: F15B5/00
Filed: 1972-02-14
Abstract: 1375924 Valves SOC ANON AUTOMOBILES CITROEN 14 Feb 1972 [17 March 1971] 6828/72 Heading F2V The fluid-pressure in a conduit 10 is dependent upon the force f applied to a valve 1 which connects the conduit 10 with a supply line 9 or an exhaust 12, the force f being opposed by the pressure in conduit 10. The conduit pressure is applied to the valve through a piston 29 and a spring 32, the movement of the piston also being influenced by a stiffer spring 31 in a chamber 23 connected to an exhaust reservoir 11. The piston 29 and spring abutment 30 may be formed as a single member and the springs 31, 32 may each be replaced by a plurality of springs providing a non-linear law. The force f may be produced by an electrical torque motor.
Patent GB-434810-A (GB)
Title: Improvements in the stripping of dyestuffs
IPC: D06P5/13
Filed: 1934-03-03
Abstract: Stripping dyed materials.--For stripping dyestuffs from textiles, leather, paper, &c., there are employed water-soluble organic compounds derived from tetravalent sulphur or pentavalent phosphorus and containing at least one aliphatic residue of at least six carbon atoms, but no sulphonic groups.  Suitable compounds are methylethylcetylsulphonium hydroxide and its methyl sulphuric acid salt, diethyloctodecylsulphonium chloride, trimethyldodecylphosphonium bromide, dimethylethylcetylphosphonium chloride and diethyldioleylphosphonium sulphate.  The compounds are preferably employed in the presence of alkali, and if desired with reducing agents such as alkali hydrosulphite; and it is advantageous to add to the baths, wetting, dispersing and washing agents or protective colloids, as for example true sulphonic acids of palmitic or stearic acids and octodecyl alcohol, or sulphuric esters of lauryl, cetyl and oleyl alcohols or montanol or of alcohols obtained by the oxidation of paraffins hydrocarbons, or soaps, or the reaction products of ethylene oxide with compounds of high molecular weight containing hydroxy, carboxy or amino groups, or condensation products of acid halogenides and the degradation products of glue; and to the baths may be added magnesium or calcium salts or anthraquinone. Temperatures of 50--100 DEG  C. are suitable for the stripping operation. Specifications 238,676 [Class 2 (iii)], and 367,907 are referred to.  Sulphonium and phosphonium compounds.--Methylethylcetylsulphonium hydroxide is made by reacting methylethylthioether with cetyl iodide and converting the product into the hydroxide. Diethyloctodecylsulphonium chloride is obtained by reacting diethylthioether with octodecyl chloride. Dipropyldodecyl sulphonium bromide is prepared by treating dipropylthioether with dodecyl bromide.  Trimethyldodecylphosphonium bromide is obtained by reacting trimethyl phosphine with dodecyl bromide. Dimethyl ethylcetylphosphonium chloride is obtained by treating dimethylethyl phosphine with cetyl chloride. Diethyloleylphosphonium sulphate is prepared by first reacting diethyloleyl phosphine with oleyl halide and converting the product into the hydroxide from which the corresponding sulphate is prepared.
Patent GB-349916-A (GB)
Title: A sound horn or amplifier for talking machines
IPC: G11B25/04
Filed: 1930-03-01
Abstract: 349,916. Gramophones; horns. KœCHENMEISTER, H. J., 1, Fiirtherstrasse, Berlin. March 1, 1930, No. 6842. Convention date, March 2, 1929. [Classes 13 and 40 (ii).] A gramophone horn is formed from a stamped sheet-metal member of U-shaped cross section covered by the top plate of the machine casing. A stamped sheet member 1 of progressively widening U-shaped cross section is fixed to an opening in the top plate 4 of the machine casing which leads to the tone-arm and is then bent around the gramophone motor, the top plate 4 being cut away at 6 to allow the sound to emerge. The member 1 is provided with flanges 2, 3 connected to the top plate 4 by point welding. After the point welding has been effected, a mass of quickly hardening material such as plaster paste is injected into the joints between the top plate 4 and the edges of the U-shaped member 1. The Specification as open to inspection under Sect. 91 (3) (a) comprises also the feature that the member 1 may be made of non-metallic thin material such as papier mÔchÚ. In this case, if the top frame plate is also non-metallic, the connection of the member 1 to the top frame plate may be effected by means of an adhesive. This subject-matter does not appear in the Specification as accepted.
Patent GB-362793-A (GB)
Title: Improvement in weighing scales
IPC: G01G7/04
Filed: 1931-03-05
Abstract: 362,793. Weighing-apparatus. TOLEDO SCALE MANUFACTURING CO., Monroe Street, Toledo, Ohio, U.S.A. March 5, 1931, No. 6858. Convention date, April 3, 1930. [Class 143.] In a weightindicating device wherein the load is off -set by electromagnetic means, the current passing through the electromagnet is varied by a device controlled by a plurality of electric contacts connected by intermediate means to the electromagnetic means. The commodity, acting through a platform lever system, or carried by a pan 30, tends to draw down an armature 7 normally maintained in the zero position by a rectified current through a solenoid 6. The armature is pivotally connected to a lever 8 fulcrumed on a pin 10. The descent of the armature causes the insulated end 13 of the lever to touch a contact screw 15 and thereby close the circuit of a motor 20 which thereupon rotates a rheostat 28 to cut out resistance from the solenoid circuit and increase the current therethrough until the pull on the armature balances the commodity. The circuit at the contact screw 15 is then broken by the rise of the lever 8 and the motor 20 is stopped. The value of the current through the solenoid is a measure of the pull and is indicated on an ammeter 40 in terms of pounds and fractions thereof. If the load is diminished the lever 8 touches an upper contact screw 16 and closes the circuit of a motor 21 which then rotates the rheostat in the reverse direction until balance is again attained.
Patent GB-1467482-A (GB)
Title: Fuel injection nozzles for internal combustion engines
IPC: F02M61/16
Filed: 1974-02-15
Abstract: 1467482 IC engine fuel injectors ROBERT BOSCH GmbH 15 Feb 1974 [17 Feb 1973] 6940/74 Heading F1B A pipe connector 2 is screwed into the nozzle holder 1, a seal 9, e.g. of rubber, being compressed between the holder and connector. The connector 2 may be formed of synthetic material and have a pair of connection nipples 3. A leakage duct 4 from the nozzle spring chamber extends to the connector. Reference has been directed by the Comptroller to Specification 1223509.
Patent GB-643805-A (GB)
Title: Process of softening water and a filter for carrying out the said process
IPC: B01J39/02
Filed: 1948-03-05
Abstract: Water is softened and freed from excess carbon dioxide by passing it through a filter body comprising a mixture of a cation-exchange material such as a zeolite compound and a compound of a metal, e.g. of the second group of the periodic system having affinity for carbon dioxide.  The compound may be calcium carbonate (e.g. as marble), magnesite, or burned magnesite.  The Specification as open to inspection under Sect. 91 comprises also the use of burned calcium carbonate.  This subject-matter does not appear in the Specification as accepted.
Patent GB-163171-A (GB)
Title: Improvements relating to feeding mechanism for presses operating on sheet metal blanks
IPC: B21D43/24
Filed: 1920-03-08
Abstract: 163,171. Griffiths, H. A., and Griffiths, R. H. March 8, 1920. Sheet-separators; pile supports.- A device for feeding sheet metal blanks to presses of the kind in which the bottom blank of a pile is separated by a knife, or knives, and is subsequently fed by gravity to the press, is constructed with a pair of oscillatory or reciprocating knives arranged at a higher level than supports which are moved to release the bottom blank after the weight of the superimposed pile is taken by the knives. The arrangement is such that one of the knives termed a primary knife a acts to facilitate the entry of the secondary knife i with which is combined a support m which forms the main or sole support for the pile. The knife i passes between the bottom blank and the pile after a segmental support d on the same pivot as the knife a has moved to a position in which the support d is out of contact with the bottom blank. The bottom blank is released as soon as the support m passes from beneath it. The knives a, i, and their supports are actuated from the press by a lever e, link f, and link g, and link k and link @ respectively. The knife i may move in a straight line path, and the supports d, m, may have a certain amount of lost motion relatively to their coacting knives. The support d may be entirely dispensed with.
Patent GB-728126-A (GB)
Title: Improvements in or relating to moulds for centrifugal casting of metals
Inventor: MILNES HUGH HERBERT MONCKTON
IPC: B22D13/10
Filed: 1951-03-27
Abstract: 728,126. Centrifugal-casting machines. ALLIED IRONFOUNDERS, Ltd. March 17, 1952 [March 27, 1951], No. 7070/51. Class 83 (1). An unlined and unjacketed metal mould 1, Fig. 1, for centrifugally casting tubular bodies from high melting-point metal such as iron and steel is provided with an extension 2 that includes a removable tubular member 4, the bore of which provides a pouring surface for feeding molten metal into the mould. The tube 4, of cast iron or other refractory material, has a separate or integral flange 8 for attachment to the mould and an inner end 7 of reduced diameter to prevent back-flow of the metal and determine the thickness of the casting. The inner and outer surfaces of the tube may be of conical form, and the bore of the extension 2 may be of the same diameter as that of the mould. In a modification, Fig. 4, the flanged tube 17 may comprise the extension of the mould. As applied to a divided mould 20, Fig. 5, for casting pipes having socket and spigot ends, an extension 22 may be provided at either end of the mould, to receive a tube 4 as above, and preferably also a ring 23 between the extension and the end of the mould. If the extension 24 is arranged at the socket end of the mould, a core 26 determines the shape of the socket end of the casting.
Patent GB-547715-A (GB)
Title: Electrode structure for velocity modulation tube
IPC: H01J23/027
Filed: 1941-06-06
Abstract: 547,715. Electron discharge apparatus. STANDARD TELEPHONES & CABLES, Ltd. June 6, 1941, No. 7171. Convention date, Aug. 17, 1940. [Class 39 (i)] An electron discharge device comprises means for producing a velocity-modulated stream of electrons and a collector in the path of the stream comprising a plurality of cylindrical surfaces of successively-increasing diameters or, alternatively, comprising a series of electrodes each consisting of a number of electrically-connected plates arranged round the axis of the stream with their planes parallel to the axis and spaced further from the axis than the plates forming the preceding electrode. The tube shown comprises an indirectly-heated cathode 6, resonators 2, 4, a drift tube 10, grids 8, 9, 11, 12, and a collector electrode formed by coaxial cylinders 16, 21 of successively-increasing diameters and with their ends facing the cathode in spaced planes successively nearer to the cathode. The other ends of the cylinders are formed with flanges which extend through the envelope to provide cooling fins, in addition to which water-cooling may be used. The faster-moving electrons are collected by the inner cylindrical members, and the slowermoving electrons, which diverge laterally, strike the outer members. The members may be maintained by connections to a source 22 at potentials which increase from the inner to the outer member, so that the electrons reaching each are moving at a speed at which they have small kinetic energy. In a modification, the collector electrodes are connected by insulation to form a unit independent of the tube envelope, the unit being supported by the lead wires. In this form the ends of the cylindrical electrodes facing the cathode are stopped in the reverse manner to that shown, the end of the innermost cylinder being nearest the cathode.
Patent GB-1574402-A (GB)
Title: Building with frame or skeleton structure
IPC: E04B7/02
Filed: 1978-02-22
Abstract: The frame structure (1) comprises load-bearing members (30, 30a) which are designed as hollow profiles with a rectangular cross-section. First load-bearing members (30) are plugged onto perpendicular supporting columns (20) and are fastened to these by means of screw-bolt connections (5). Second load-bearing members (30a) are connected, via connecting elements (60), to the supporting columns (20) and the first load-bearing members (30) by means of screw-bolt connections (7). The supporting columns (20) are mounted on horizontally aligned U-shaped ground connection profiles (10, 10a) and are connected to these by means of screw-bolt connections (4). The ground connection profiles (10, 10a) are fastened on the foundation by means of ground anchors (8). For purlin roofs, hat profiles (50) are arranged on the upper load-bearing members (30, 30a). In the case of flat roofs, profile elements for flat roof connections are fastened on the upper load-bearing members (30, 30a). Between the supporting columns (20), wall, window and door elements, for infilling purposes, are arranged such that they are fastened by clamping means. The building permits a considerable saving in materials and simplifies mounting. <IMAGE>
Patent GB-658539-A (GB)
Title: Improvements in interpolymers
IPC: C08F22/28
Filed: 1949-03-16
Abstract: Copolymers are produced by heating, preferably at temperatures in the range 25-120 DEG  C., a mixture of a di-2-propenyl maleate with from 0.1 to 5.0 molar equivalents of styrene or a substituted styrene and with from 0.3 to 7.0 molar equivalents of a 2-propenyl alcohol for times sufficient to effect an adequate degree of reaction, e.g. 10-200 hours.  The course of the copolymerization may be followed by noting the increase in viscosity of the reaction mixture.  The heating may be conducted in the presence of an organic peroxide catalyst such as acetyl peroxide, benzoyl peroxide and tertiary butyl hydroperoxide in the proportion of 0.1 to 20 per cent by weight of the reactant mixture.  The di-2-propenyl maleates are maleic acid esters of alcohols having the structural formula R.CH= CH1-CH2OH and the 2-propenyl alcohols have also this formula, where R is hydrogen, chloromethyl, lower alkyl or phenyl, and R1 is hydrogen, chlorine, chloromethyl, hydroxymethyl or lower alkyl, preferred esters being diallyl and dimethallyl maleate and preferred alcohols allyl and methallyl alcohols.  The styrene derivative may be alpha-methyl styrene or styrene which is nuclearly substituted with lower alkyl, lower alkoxy, halogen or lower haloalkyl.  The products may be purified by repeated solution in a solvent such as acetone and reprecipitation with a non-solvent such as n-hexane and may be moulded to form rods, blocks or sheets or dissolved in organic solvents and used as coating, laminating and impregnating compositions.  The copolymers, by the application of heat and/or a catalyst, can be converted to an insoluble infusible state by further polymerization or by copolymerization with other polymerizable organic compounds such as tolyl acrylate, benzyl acrylate, vinyl butyrate and diallyl fumarate, and dyes, pigments, fillers and plasticizers may be incorporated with the copolymers at the soluble fusible stage prior to the final cure.
Patent GB-1130361-A (GB)
Title: Core spinning
Inventor: OLIVER PHILIP HERBERT
IPC: D02G3/32
Filed: 1965-02-19
Abstract: 1,130,361. Core-spinning. COURTAULDS Ltd. 18 Feb., 1966 [19 Feb., 1965], No. 7219/65. Headings DID and D1W. In a process of core spinning an elastic yarn, a spandex thread is stretched, partially relaxed such that its extension is reduced by at least an eleventh and its tension considerably more due to the hysteresis characteristics of spandex, and then fed while thus partially relaxed to the front rollers of the drafting frame. As described the spandex thread passes from a package driven by a roller at a speed less than the front rollers, around a friction roller driven at a higher speed than the rollers, and then to a grooved roller resting on the top drafting roller. The grooved roller and the roving guide upstream of the drafting rollers may be stationary, or slowly traversed in phase, or traversed out of phase. There may be two rovings composed of a blend of viscose rayon with cotton or polyester fibres.
Patent GB-105145-A (GB)
Title: Improvements in or connected with Crutches.
Inventor: MAY ARTHUR JOHN
IPC: A61H3/00
Filed: 1916-05-20
Abstract: 105,145. May, A. J. May 20, 1916. Crutches are fastened to a belt k passing round the waist and are provided with handles f adjustable in height. The tipcarrying portions b telescope into tho upper parts a and are fixed at adjustable heights by bolts. The parts a are hinged to trunnions m, which are passed into bearings n carried by plates p and are locked by spring bolts r. The belt passes between plates p, s.