baber/WOPTO huggingface dataset:
Patent GB-716539-A (GB)
Title: Dust-laying process
IPC: C09K3/22
Filed: 1952-11-17
Abstract: Dust is laid in industrial and mining plants by adding to the aqueous irrigating liquid a surface-active organic derivative of orthophosphoric acid or an alkali or alkaline-earth metal salt of such a derivative.  The substances may have at least one surface-active radical linked to phosphorus by way of O, C, N or S or in a mixed linkage.  Such surface-active radicals may be straight-chain or branched aliphatic radicals containing at least 4 C atoms, or aromatic, hydroaromatic, aliphatic-aromatic, heterocyclic or cycloaliphatic radicals.  The preferred compounds are esters of orthophosphoric acid; the compounds specified comprise the sodium salt of the primary orthophosphoric acid ester of oleyl alcohol; the sodium salt of a mixed secondary ester of orthophosphoric acid with cetyl-octoethyleneglycol ether and ethyl alcohol; and the product obtained by reacting molar amounts of a poly-ethylene glycol of a mean molecular weight of 300, octodecyl alcohol and phosphorus oxychloride to produce a polycondensed mixed ester.  The aqueous solutions may contain mixtures of such compounds with or without known wetting agents, such as surface-active sulpho-acids or ethylene oxide derivatives.  The solutions may be used in conjunction with non-surface active salts, such as magnesium or calcium chloride, or other dust-laying compounds such as urea, sulphite lye or tar and mineral oils. The solutions or suspensions preferably have a neutral or slightly acid reaction.
Patent GB-841718-A (GB)
Title: Production of catalysts
IPC: C08F4/64
Filed: 1957-09-16
Abstract: Olefinic monomers are polymerized in the presence of a Ziegler catalyst prepared from a reducible polyvalent metal compound and a reducing metal compound, modified by the addition of a thiophenol. The thiophenol of which an extensive list is given in the Specification, may be added to the reducible metal compound before or after treatment with the reducing metal compound.  Lists of suitable reducible polyvalent metal compounds, reducing metal compounds, thiophenols and olefinic monomers are given.  In Examples ethylene is polymerized using catalysts prepared from titanium tetrachloride, tri-iso-butylaluminium and thiophenol, in kerosene.  Specifications 795,370, 799,392, 799,823 801,031, 810,023 and 826,638 are referred to.ALSO:Olefinic monomers are polymerized in the presence of a Ziegler catalyst prepared from a reducible polyvalent metal compound and a reducing metal compound, modified by the addition of a thiophenol. The thiophenol may be added to the reducible metal compound before or after treatment with the reducing metal compound. Lists of suitable reducible polyvalent metal compounds, reducing metal compounds, thiophenols and olefinic monomers are given.  In Examples ethylene is polymerized using catalysts prepared from titanium tetrachloride, tri - iso - butylaluminium and thiophenol, in kerosene.  Specifications 795,370, 799,392, 799,823, 801,031, 810,023 and 826,638 are referred to.
Patent GB-376582-A (GB)
Title: Improved tables and benches for sewing machines
IPC: D05B75/06
Filed: 1931-10-20
Abstract: 376,582. Sewing-machine tables. BRADLEY, C., 22, Franklin Street, and CHRISTIE, J., 9, Chapel Street, both in Lancaster. Oct. 20, 1931, No. 29076. [Class 52 (iii).] To convert old type sewing-machines to drophead machines, a portion is cut out of the old table and a new table A fitted thereon. The new table A has a panel D which slides into or out of a recess F. The machine head is hinged to the table A at B, C, and when not in use, is dropped about its hinges into the recess F, which is then covered by the sliding panel D. In use, the panel is pulled out so that the machine head can be raised ; the panel is then pushed in sufficiently for the free edge of the machine to rest thereon. In this position, to avoid the part E of the panel protruding, this part is hinged so that it can hang vertically, clear of the operator.
Patent GB-713110-A (GB)
Title: Improvements in dampers for firegrates
IPC: F24B1/19
Filed: 1951-12-12
Abstract: 713,110. Frets. CAIRNS, A. March 10, 1953 [Dec. 12, 1951], No. 29134/51. Class 126 A "continuous burning" type of domestic open fire is fitted with a withdrawable fret in which the faces in contact with the firegrate surround and hearth are provided with asbestos or other suitable strip packing to eliminate air leakage past the said faces to the firegrate. The fret may have an upper part which acts as a spark arrester and which may telescope into, or hinge on, the lower part.
Patent GB-370361-A (GB)
Title: Improvements in pipe arrangements for steam generators
IPC: B60K17/16
Filed: 1930-09-29
Abstract: 370,361. Water-tube steam boilers. SIEMENS-SCHUCKERTWERKE AKT.- GES., Siemensstadt, Berlin. Sept. 29, 1930. No. 29164. Convention date, Oct. 8, 1929. Void [Published under Sect. 91 of the Acts]. [Class 123 (ii).] Feed is supplied to a distributer 2 which is connected by parallel rows of tubes 3 with a container 4, the heated medium passing through a single pipe 5 of about the same length as the tubes to another distributer 7. A similar division of flow then takes place through tubes 8 followed by a reunion in pipe 10. The tubes which are arranged transversely to the flow of heating gases are slightly inclined so that the medium ascends in the tubes 3, 8, and descends in the pipes 5, 10.
Patent GB-960744-A (GB)
Title: Improvements in or relating to the preparation of polyoxymethylenes
IPC: C08G2/00
Filed: 1962-07-30
Abstract: High molecular weight polymer and copolymers are prepared by polymerizing trioxane or formaldehyde or both, optionally mixed with up to 10 per cent. of a cyclic ether of formula: <FORM:0960744/C3/1> or <FORM:0960744/C3/2> where R is an unsubstituted alkyl, aryl, aralkyl, alkaryl or cycloalkyl group or such a group substituted by an epoxy, halogen, cyano, nitro, carbalkoxy, or ether radical and R1 is hydrogen, methyl or chloromethyl in the presence of triphenyl methyl fluorborate as catalyst and at 20 DEG  to 130 DEG C.  An inert solvent e.g. benzene, chlorobenzene, nitrobenzene, cyclohexane, cyclopentane, cycloheptane, cyclooctane, pentane, heptane, hexane and octane may be present although bulk polymerization may be used. Specified cyclic ethers are propylene oxide, ethylene oxide, epichlorohydrin and dioxolane.
Patent GB-707392-A (GB)
Title: An improved length-measuring device
Inventor: PACKER JOHNSON LEWIS
IPC: G01B5/04
Filed: 1950-11-29
Abstract: 707,392.. Measuring continuous lengths. BRITISH INSULATED CALLENDER'S CABLES, Ltd. Nov. 29, 1951 [Nov. 29, 1950], No. 29225/50. Class 42 (2) In a device for measuring the length of a long article, the movement of the article during measurement affects that of a measuring member which operates a counter or recorder, and the measuring member consists of a wire or metal tape which is caused to take a circuitous path contained within a relatively small space by passing around guides in that space, the wire or tape and the article being measured moving in straight parallel lines over the measuring part of the path of travel of the article, over which part a friction providing cover travelling between the article and the wire or tape is pressed into contact therewith. The measuring device comprises an outer endless belt 1, an endless measuring tape 2 and an inner endless belt 3, the article to be measured resting upon the belt 1 which serves as a friction-providing device between the article and the tape 2, which is supported by the belt 3. The belt 1 passes around pulleys 4 and 5, the pulleys 4 being in the form of spaced pairs, pulleys supporting the tape 2 being mounted between the pulleys of each pair 4, but slightly eccentrically thereof, so that the tape 2 is out of contact with the belt 1 while they are moving around their supporting pulleys. The belt 1 and tape 2 are maintained in contact by the supporting belt 3, which passes around pulleys 8, 9 and 10. After passing through the measuring path, i.e. between the pulleys 4, the tape 2, which is of considerable length, is led in a spiral zig-zag path, first around a pair of rollers 14 and 13, and then around a second pair 16 and 15, the axes of the rollers 13 and 15 being inclined at a slight, but adjustable, angle to those of the rollers 14 and 16. It then is led around a guide pulley 17, through a counting device 18, and back into the measuring path. The measuring tape 2 is provided with equally-spaced notches 36 at suitable intervals, and a strip 37, carried by a pivoted arm 32, is adapted to enter these, thus allowing a pair of electrical contacts 35, carried by the arm 32 and an arm 33 to which it is pivoted, to close, to allow a flow of current to operate a counter. Alternatively, the counter may be operated mechanically, or by means of a beam of light.
Patent GB-520035-A (GB)
Title: Improvements in or relating to the continuous casting of metals
IPC: B22D11/06
Filed: 1938-10-11
Abstract: 520,035. Casting-machines. ZUNCKEL, B. Oct. 11, 1938, No. 29387. [Class 83 (i)] Casting processes; moulds.-In continuous casting, the molten metal is poured into superposed divisible moulds 1, 2 and after the metal in the lower mould 2 has set the halves are separated, by turning arms 5, 6, Fig. 2, about the column 4, raised and assembled upon the upper mould 1. The operation is repeated with the moulds alternately while the casting 7 is lowered by the device 8. The moulds are provided with means 10, 11 for circulating cooling fluid and the casting is cooled by a device 12 or by lowering into water so as to extract heat from the molten metal axially and keep its volume small. In a modification, the moulds, instead of being counterbalanced at 9 are moved down guides 13, 14, Figs. 3 and 4, by motordriven gears 15, the lowest is removed by the halves being separated and moved away from the casting on rails 17, 18, raised by tables 19, 20 and reassembled upon the uppermost mould. The metal may be introduced by a spout 21 or through a slot 22 between the mould halves, which aligns with a hole 33 in the guide 14, by a pourer 23. Ducts 24 for cooling fluid are provided. The moulds may be varied according to the cross-section desired and a core is inserted if a hollow article is required. The guides may be formed to vary the gap between the mould halves corresponding to shrinkage or expansion of the casting and keep them pressed on the latter for better heat transfer.
Patent GB-664228-A (GB)
Title: A press for trousers and the like
IPC: A47G25/72
Filed: 1949-11-17
Abstract: 664,228. Trouser presses. MEYER, O. Nov. 17, 1949 [Nov. 17, 1948], No. 29430/49. Class 141. A trousers' press comprises a pair of tapered plates 1, 2 hinged together at their shorter ends 3, each plate being made up of a number of parts connected by transverse hinges 4, 5 and there being clamping means to press the plates together. This means may comprise clips 6 pivotally mounted on the side edges. A space 5<SP>1</SP> may be provided at the narrow end to accommodate the trousers' cuffs and the press may be suspended by means of a hook 7.
Patent GB-162323-A (GB)
Title: Improvements in apparatus for applying drag or tension to or cleaning yarn, thread, cord, twine or the like being wound in winding, warping or other machines
IPC: B65H59/22
Filed: 1919-11-26
Abstract: 162,323. Kershaw, G. Nov. 26, 1919. Yarns, warping. - Relates to devices comprising a disc, ring, cup, &c. mounted to revolve with freedom athwart its axis around a fixed pivot or a pivot or sleeve projecting from a revoluble disc, to bear upon and apply tension to or clean yarns, thread, cord, twine. &c. in winding, warping, or other machines. The discs, rings, cups, &c. c. Fig. 1, and the disc and sleeve a, b are covered or coated with enamel. The discs a and sleeve b may be formed separately of steel or other metal or alloy by stamping &c., and united by compression of the discs upon or into the sleeves, which may be grooved or provided with collars or washers or shoulders, and if desired by brazing, soldering, or electric or other welding; or the discs and sleeves may be formed separately of porcelain, glass, or stabilite, formed by mixing para-rubber, antimony, sulphide china clay and lead oxide into a dough and afterwards vulcanizing in moulds; or they may be formed integrally of stabilite, glass, porcelain, or vulcanized fibre or other non- metallic material capable of being moulded. The disc or cup c may be formed of glass, porcelain,. stabilite or other non-metallic material.
Patent GB-773134-A (GB)
Title: An improved air-cooled compressor plant
IPC: F04B39/06
Filed: 1955-10-17
Abstract: 773,134. Two-stroke engines ; cooling cylinders ; charge pumps. SALZGITTER MASCHINEN AKT.-GES. Oct. 17, 1955 [Nov. 29, 1954], No. 29484/55. Class 7 (2). [Also in Group XXVIII] A compressor plant comprising high and low pressure compressor cylinders 2, 3, and two-stroke I.C. engine driving cylinders 1, arranged in fan or radial formation in a common cylinder block has annular enginescavenging air and cooling air receivers 8, 9 respectively arranged close to and concentrically with one cylinder block side wall. A radial blower 7 unitary with or mounted on a flywheel and a Roots blower 12 supply the receivers 9, 8 respectively. Entry guide vanes 14 to the receiver 9 are provided.
Patent GB-826259-A (GB)
Title: Improvements in woven textile fabrics
Inventor: SHIMWELL DERRICK WALTER
IPC: D03D47/48
Filed: 1956-09-27
Abstract: 826,259. Woven fabrics. WEAVING RESEARCH & TEXTILE COMMISSION AGENTS Ltd. Sept. 4, 1957 (Sept. 27, 1956], No. 29511/56. Class 142(4) A fabric has a continuous weft e, and also hairpin-like weft threads f, g inserted from opposite edges; one leg of each hairpin may be turned in at h to increase the amount of weft in the selvedges.
Patent GB-1474252-A (GB)
Title: Fused-ring benzodiazepine and benzodiazocine derivatives
IPC: C07D487/04
Filed: 1974-07-03
Abstract: 1474252 Pyrimidino-benzodiazepines and pyrimidino-benzodiazocines; intermediates therefor E R SQUIBB & SONS Inc 3 July 1974 [26 July 1973] 29534/74 Heading C2C Novel pyrimidino-benzodiazepines and pyrimidino benzodiazocines of the Formula I wherein m is 1 or 2, n is 2 or 3. R is a hydrogen, fluorine, chlorine or bromine atom or a C 1-4  alkyl, benzyl, phenyl or monosubstituted phenyl radical the substituent being fluorine chlorine, bromine, iodine, C 1-4  alkyl, C 1-4  alkoxy or trifluoromethyl, and R<SP>1</SP> is a hydrogen or halogen atom or a C 1-4  alkyl, C 1-4  alkoxy, C 1-4  alkylthio, C 1-4  alkylsulphonyl, phenyl, phenoxy, sulphamyl, di(C 1-4  alkyl)sulphamyl, trifluoromethyl or a mono substitued phenyl or phenoxy radical the substituent being halogen, C 1-4  alkyl, C 1-4  alkoxy or trifluoromethyl, provided that when m is 1, R occupies either the 4- or 5- position of the pyrimidine ring but when m is 1 and R is halogen, it occupies only position-5 and when m is 2 the two R substituents occupy the 4-and 5-positions but only one of them can be halogen and it must occupy the 5-position, are obtained by cyclization of compounds of the Formula IV or V wherein X is a chlorine or bromine atom. Compounds of the formula IV above may be obtained by quaternizing appropriate 2-aminopyrimidines with appropriate o-bromo-phenylethyl or o-bromo-phenylpropyl halides III. Compounds of the Formula V above may be obtained by treating compounds of Formula IV with a water-miscible alcohol and a alkalimetal C 1-3  alkoxide. o - Bromophenylethyl and o - bromophenylpropyl halides of the Formula III may be obtained by halogenating the corresponding o-bromophenylethyl or o-bromophenylpropyl alcohols. o-Bromophenethyl alcohol may be obtained by reacting o-bromobenzyl alcohol with phosphorus tribromide to give o-bromobenzyl bromide, reacting this with sodium cyanide to give obromophenylacetonitrile, reacting this with ethanol and reducing the ethyl-o-bromophenylacetate so produced. 3 - (2 - Bromo - 5 - methylthio)phenyl - 1 - propanol may be obtained by reacting 2-bromo-5- methylthiobenzyl alcohol with phosphorus tribromide and reacting the 2-bromo-5-methylthio benzylbromide so produced with magnesium and ethylene oxide. Pharmaceutical compositions contain compounds of Formula I above as active ingredients.
Patent GB-1379636-A (GB)
Title: Protective clothing and methods for making the same
IPC: A41D27/24
Filed: 1973-02-08
Abstract: 1379636 Seaming non-metallic sheet material JELTEK Ltd 8 Feb 1973 29576/74 Divided out of 1379633 Heading B5K The subject matter is similar to that described and shown in Figs. 3 and 5-7 of Specification 1,379,633 but the claims relate to making protective clothing from fabric by sewing a fusible tape in a seam or seams so as to embrace the edges of the fabric and overlie marginal rear portions of the fabric, turning a side portion of the tape about a line of stitching so as to overlie the line(s) of stitching constituting the seam(s), and fusing the tape to form a seal over the line(s) of stitching to waterproof the seam(s). Specifications 1379634 and 1,379,635 are also referred to.
Patent GB-340498-A (GB)
Title: Improvements in or relating to processes for plating metals with aluminium or aluminium alloys
IPC: B32B15/01
Filed: 1929-09-30
Abstract: 340,498. Plating metals with aluminium &c. HETZEL, A. R. and HETZEL, J. M., (trading as VEREINIGTE SILBERHAMMERWERKE HETZEL & Co.), 37, Hirschelgasse, Nuremberg, Germany.-(Assignees of Wachwitz, H. ; 23, Deutschherrnstrasse, Nuremberg, Germany.) Sept. 30, 1929, No. 29609. Convention date, Oct. 3, 1928. [Classes 83 (ii.) and 83 (iv).] Welding.-Metal blocks, plates, sheets, bands, foils, leaves &c. are plated with aluminium or alloys thereof by first applying a thin coating of aluminium oxide to the base metal, then heating this metal and the aluminium &c. to welding temperature and then welding by rolls under sufficient pressure to break up the layer of oxide and thus allow union of the aluminium &c. with the base metal. Several layers consisting alternately of aluminium or alloy thereof and another metal may thus be united.
Patent GB-248840-A (GB)
Title: Control gear for electric motors operating winches or other machinery
IPC: B66C13/24
Filed: 1924-12-11
Abstract: 248,840. British Thomson-Houston Go., Ltd., and Given, R.. D. Dec. 11, 1924. Regenerative sy.3. tems; controllers, actuating.- In controlling motors for driving 0 minches or other machines a torque measuring device such as a differential gear.box 11 transmits the power from the motor 1 to the winding drum 10 and is arranged to act mechanically upon a potentiometer rheostat 9 controlling the motor current to a degree corresponding to the torque and irrespective of whether the machine is running as a motor or a generator. The. movable element of the potentiometer linked to the spring balanced cage of the differential gear varies the field of a generator 4 coupled to a primary motor 5 which is fed from a battery or other source capable of absorbing regenerated energy. The complete arrangement includes master switches, a pilot-motor for operating the potentiometer for starting and reversing, and limit switches to prevent overwinding.
Patent GB-782022-A (GB)
Title: Apparatus for preventing damage to load-carrying bearings during transit and storage
IPC: F16C33/00
Filed: 1954-10-18
Abstract: 782,022. Preventing damage to bearings. EXPORT PACKING SERVICE, Ltd., COATES, H. N., and MILLER, D. G. S. Sept. 20, 1955 [Oct. 18, 1954], No. 29919/54. Class 12 (1). [Also in Group XXXV] Prevention of damage to the bearings of machines during transit or storage is effected by intermittently imparting a partial rotational movement to the rotary part of the machine by a solenoid-operated motor. As shown in Fig. 1, a solenoid armature 11 of an impulse driven motor is connected to the end of a pivoted lever 17 carrying a pawl 15 which imparts rotation to a ratchet wheel 14. A pawl 16 prevents rotation in the opposite direction. A gear train 13 conveys the rotation to the rotary part of the machine. For operation during storage, a switch 26 is closed to complete a circuit for discharging a condenser 22 through the solenoid winding 10, the circuit also containing a relay switch 21 having a winding 23. When the condenser is discharged, it is recharged from a battery 18 via a resistance 19 and the energizing winding 23 thereby opening the switch 21 and preventing further flow of current to the solenoid winding 10 until the condenser 22 is again completely discharged. For operation in response to vibrations set up during transit, a switch 26 is opened and the circuit completed intermittently through contacts 33, 34 the latter being mounted on a pivoted arm 28 carrying a weight 31 at its end and being supported by a spring 32 near its centre. A suitable impulse-driven motor comprises a solenoid 59 and a rocking armature 58 to which a bracket 57 carrying a pawl 56 is attached. Energization of the solenoid 59 rocks the armature 58 and bracket 57 against the action of a spring 61 and causes the pawl 56 to rotate a ratchet wheel 55. A catch 63 prevents backward rotation of the wheel 55. A spring 54 has one end attached to the ratchet wheel 55 and the other end attached to a gear wheel 47. Movement of the ratchet wheel 55 winds up the spring 54 which ultimately rotates the gear wheel 47. The motion from the gear wheel 47 is transmitted to an output shaft 39 through reduction gearing. Preferably, instead of a single pawl, three pawls 142, 143, 144, Fig. 6, having their teeth-engaging toes in slightly staggered relationship are employed.
Patent GB-784406-A (GB)
Title: Improvements in or relating to electric discharge-operated switches
IPC: H05B41/04
Filed: 1954-10-18
Abstract: 784,406. Supply systems for space discharge apparatus. GENERAL ELECTRIC CO., Ltd., and EDWARDS, E. F. Oct. 18, 1955 [Oct. 18, 1954], No. 29929/54. Class 38 (4). [Also in Group XL (a)] A starting circuit for a discharge lamp 12 comprises a switch in the form of a discharge tube 18 (see Group XL (a)) containing a rare gas filling and an excess of mercury which, when a discharge occurs, is rapidly vaporized and builds up a vapour pressure such that the voltage across the tube electrodes approaches the supply voltage and the discharge is automatically extinguished. A discharge occurs through the tube 18 when the supply voltage is connected to the terminals 15 and 17, and current passes for a sufficient time to heat the lamp cathodes 13 and 14. When the discharge through the tube 18 is extinguished an inductive kick produced across the choke 16 starts the lamp 12. The voltage across the lamp 12 is then lower than the striking voltage of the tube 18 which remains inoperative. A radio interference suppression capacitor 19 is connected across the lamp 12, and a high-frequency choke 20 may be connected in series with the tube 18 to prevent the inductive kick from being reduced by producing a discharge through the tube 18. The circuit may operate on D.C. in which case the lamp has only one cathode which is heated by current passing through the discharge tube.
Patent GB-948719-A (GB)
Title: Process for separating n-butyl acrylate from mixtures containing it
IPC: C07C69/54
Filed: 1962-08-03
Abstract: 948,719. Recovery of n-butyl acrylate by extractive distillation. KNAPSACK GRIESHEIM A.G. Aug. 3, 1962 [Sept. 21, 1961], No. 29931/62. Heading C2C. n-Butyl acrylate separated from an admixture with n-butanol, di-n-butyl ether, n-butyl acetate and other contaminants by adding acetophenone to the mixture and distilling off the undesired components and finally separating the acetophenone/n-butyl acrylate residue thus obtained by fractional distillation. Both the extractive distillation and fractional distillations are preferably carried out in vacuo. 5 to 10 times by weight of acetophenone on the weight of mixture is employed for preference and a polymerization stabilizer e.g. hydroquinone, pyragallol or phenothiazine is added to the mixture prior to separation. The examples employ bubble tray columns for the distillative extraction stage.