baber/WOPTO huggingface dataset:
Patent GB-978810-A (GB)
Title: Improvements in or relating to knitted briefs and like articles of wearing apparel, and to a method of and machine for producing the same
Inventor: WOOLERTON FRED
IPC: A41B9/02
Filed: 1961-08-19
Abstract: 978,810. Underwear. CLUTSOM & KEMP Ltd. Aug. 20, 1962 [Aug 19, 1961], No. 30003/61. Heading A3V. [Also in Division D1] A knitted article having an elasticized waist band in which predetermined courses have loops of rubber or its equivalent knitted thereon is characterized in that said waist band 13 is knitted integrally with the main body part of the article. The articles are formed on a cylinder and dial machine as alternate tubes of body portions 1 and elasticized portions 2 where the length W is twice the length of the body portions and the length W<SP>1</SP> is four times the length of the waist band after it has been doubled over in the finished article. The body portion is then cut along lines 5, 6 and 7 to produce two body portions and two crotch portions 8. The tubular body portions are then opened and re-folded so that opposite fold lines 9 lie adjacent each other and the cuts 6 form leg openings. The crotch portions 8 are then stitched to the free edges 3, Fig. 5, and the elasticized band 2b doubled over and stitched down as at 18. The leg openings 13 are seamed at 16 and lace trim 17 may be added.
Patent GB-324331-A (GB)
Title: Improved method and apparatus for separating salts or other solids from solutions thereof
IPC: C01D3/06
Filed: 1928-10-17
Abstract: 324,331. Wheeler, R. H. Oct. 17, 1928. Spray evaporators. -Solutions of salts &c. are evaporated by spraying them into .contact with hot gases the size of the crystals or granules obtained being regulated by adjusting the height through which the spray falls and the size of the spraying nozzles or the effective head under which the solution is discharged. Brine is supplied through a pipe 12 to sprinkler nozzles 9, the height of which can be adjusted in the conical chamber 2 situated in a tower 1. Heated flue gases or air are sucked by a pump 21 through damper controlled flues 4, 5 so that they pass in co- or counter-current with the spray and are led off through damper controlled passages 15, 17 and a condenser 20 to a discharge pipe 22. The entrance of the flue 5 is arranged tangentially in the upper part of the chamber 2 so that a whirling motion is given to the gases. The crystals are collected in a catch pit 23. The orifices 11 of the nozzles 9 are obliquely and upwardly directed and may be arranged in the lower part of the tower 1.
Patent GB-402586-A (GB)
Title: Improvements in or relating to electric discharge tubes employing heated electrodes
IPC: H05B41/04
Filed: 1932-10-26
Abstract: 402,586. Discharge apparatus. COMPAGNIE DES LAMPES, 29, Rue de Lisbonne, Paris. Oct. 26, 1932, No. 30026. Convention date, Oct. 29, 1931. [Class 39 (i).] In thermionic apparatus such as lamps and ultra-violet radiators, two electrodes each heated by means other than the discharge, for example, by an internal resistance heater, are arranged at a single pole of the discharge so that one electrode provided for the maintenance of the discharge after starting, is brought to the operating temperature by the current feeding the discharge from another electrode which initiates the discharge and which alone is exposed to disintegration during starting. An alternating-current lamp has equipotential electrodes C<1> ... C<4>, two connected together at each pole of the discharge. The heaters F<1>, F<3> of the starting electrodes C<1>, C<3> are supplied by closing the switch S, and the discharge between the electrodes C<1>, C<3> is supplied through resistances R<1> R<2>and through the heaters F<2>, F<4> of the electrodes C<2>, C<4>. When the electrodes C<2>, C<4> become hot and the discharge starts between them, the switch S is opened. The resistances R<1>, R<2> may be omitted. In a modification, the four electrodes are mounted on a single pinch in a bulb to form a low voltage lamp operated in series or parallel with similar lamps. In another modification, the electrodes C<2>, C' are farther apart than the electrodes C', C<3> and the interconnections X between the electrodes at each pole may include a resistance and a switch, the latter being opened to isolate the electrodes C <1>, C<3> during normal operation. These switches and the switch S may be operated by the discharge current.
Patent GB-1118543-A (GB)
Title: Olefin copolymers
IPC: C08F210/00
Filed: 1966-07-05
Abstract: Substantially linear amorphous copolymers containing monomeric units of a methylenecyclooctene, ethylene and/or an aliphatic alphaolefin of the general formula R-CH = CH2, where R is a C1 to C6 alkyl group are made by effecting the copolymerization in the presence of a halogen-containing catalyst of a vanadium compound and a beryllium or aluminium organometallic compound or hydride.  The preferred cyclooctene is 5-methylene-1-cyclooctene, and the alpha-olefin, propylene and/or butene-1.  The catalyst preparation and the copolymerization are preferably effected between 0 DEG  and - 80 DEG C.  The copolymerization may be effected in bulk, or in a hydrocarbon or halogenated hydrocarbon solvent.  The copolymers which are soluble in boiling n-heptane are recovered by conventional "low-pressure" techniques. The copolymers may be sulphur vulcanized and are then insoluble in organic solvents.
Patent GB-236817-A (GB)
Title: Improvements in and relating to hack sawing machines
IPC: B23D51/20
Filed: 1924-12-15
Abstract: 236,817. Sõchs Regulatoren-u. Maschinen-Fabrik Gornig & Severin, and Becker, K. Dec. 15, 1924. Relief devices ; double and single acting piston pumps; regulating delivery by by-passes.-In a liquid-pressure feed apparatus for saws, the feed is effected by the downward motion of a piston 13 in a chamber 12 to which liquid is forced past valves 5, 8 by a cam-operated plunger 1. An adjustable outlet valve 17 with a spiral groove 18 permits the feed pressure to be adjusted. On the return stroke of the plunger 1, pressure in the chamber 12 is relieved by the opening of the valve 8 and passage 9. In a modified device in which liquid is pumped below the piston 13 to lift the saw during its return stroke, an outlet from below the piston is controlled by a second spiral groove in the valve 17.
Patent GB-758372-A (GB)
Title: Improvements in regulators for the discharge of the load of mining shuttle cars
Inventor: DUNCAN ANGUS WELLESLEY
IPC: E21F13/02
Filed: 1953-11-02
Abstract: 758,372. Conveying material from working face. MINING ENGINEERING CO., Ltd. Oct. 29, 1954 [Nov. 2, 1953], No. 30279/53. Classes 78 (1) and 78 (4). A regulator for the discharge of the load of mining shuttle cars comprises a chassis including a central discharge conveyer section of conveying capacity not greater than that of the conveyer system which it is arranged to feed, and a substantially horizontal material storage space consisting of a pair of platforms pivoted to the sides of the conveyer section and arranged to be tipped by hydraulic or mechanical means to spill their load on to the conveyer at a controlled rate. As shown, the regulator comprises a scraper conveyer having a tail portion 1a equal to the length of a shuttle car, has its discharge end 2 elevated to facilitate discharge to the conveyer system (not shown) running transversely beneath the end 2. Platforms 3, 4 hinged at 5, 6 on the conveyer are adapted to be raised by rams 7 operated through a pump 10 driven from the conveyer motor 11. A shuttle car is driven up ramps 13, 14 over the conveyer portion 1a and then backed off whilst its discharge conveyer is depositing its load partly on the scraper conveyer and partly on the platforms 3, 4. As the car clears the ends of the platforms, each platform is raised to the vertical by the rams 7 automatically or by manual control so as to discharge its load on to the scraper conveyer, after which it returns to the horizontal.
Patent GB-290514-A (GB)
Title: Improvements in electric heating elements
IPC: H05B3/00
Filed: 1927-11-11
Abstract: 290,514. Allen, J. H. Nov. 11, 1927. Wire resistances mounted on grooved surfaces. -A porcelain block carrying an electric heating resistance is provided with a heat-insulating backing forming a part of the block. The block is grooved on one side to receive the resistance and on the other is formed with a flange A enclosing a recess which is filled with a heat-insulating material. The recess may be filled with a kielselguhr or asbestos cement which may be fired with the block, or an asbestos plate may be cemented in place in it.
Patent GB-391784-A (GB)
Title: Improvements in or relating to mouldable compositions
IPC: C08G8/32
Filed: 1931-11-02
Abstract: A process for preparing a moulding composition comprises coating a filler, e.g. abrasive grains, with a liquid coating composition containing a potentially reactive artificial resin and subsequently increasing the proportion of resin in an advanced stage by dissolving in the resinous coating a dry brittle resin in the A stage in order to render the coating on the filler non-tacky prior to moulding the composition into shape.  Specification 333,409, [Class 22, Cements &c.], is referred to.
Patent GB-322053-A (GB)
Title: Improvements in or relating to means for delivering plastic or semi-solid materials
IPC: B65D83/00
Filed: 1928-10-20
Abstract: 322,053. Long, N. D. Oct. 20, 1928. Piston apparatus for discharging receptacles. - Apparatus for delivering plastic materials comprises a piston 6 and threaded piston rod 2 carried by a base 1, a cylinder 4 having a threaded sleeve 3 which fits the piston rod 2. The cylinder is fitted with a screwed perforated cap 5. The plastic material is contained in a carton 7 arranged with false bottom 8 so that by the rotation of the cylinder, the piston advances the false bottom into the container and delivers the material through the perforation. In a modification the carton is fixed in the cylinder by a bayonet joint and the cap 5 is omitted.
Patent GB-1107527-A (GB)
Title: Solvent recovery in phthalocyanine synthesis
IPC: C09B67/16
Filed: 1966-07-06
Abstract: A phthalocyanine pigment is obtained from a synthesis product mixture containing an inert water and acid-insoluble organic solvent and synthesis by-products by adding per part by weight of phthalocyanine pigment at least 10 parts of 90 to 100% sulphuric acid at a non-sulphonating temperature of 30 DEG -80 DEG  C., agitating to dissolve the pigment, separating the acid solution from the solvent phase and drowning the solution in 50 to 200 parts of water per part of pigment and at least 4 parts of water per part of acid, the organic solvent in the product mixture having a specific gravity such that it separates from the solution of phthalocyanine pigment in sulphuric acid. The synthesis product mixture may be diluted with additional water and acid insoluble organic solvent before addition of sulphuric acid. Separated residual solvent phase may be recycled to a pigment synthesis. Conventional methods of pigment preparation are described using inter alia phthalic acid derivatives, urea and a catalyst.
Patent GB-483392-A (GB)
Title: Improvements relating to hinged lids or covers for garbage receptacles and other hollow-ware articles
IPC: B65F1/16
Filed: 1936-11-09
Abstract: 483,392. Refuse bins. EVESON, G. H. Nov. 9, 1936, No. 30424. [Class 26] [Also in Group XVII] In a hinged lid or cover, for a garbage receptacle or other hollow-ware article, of the type provided around its entire edge with a cover or buffer ring of rubber or other sound deadening material adapted to make contact with the body of the receptacle or other supporting part when the lid is closed, the hinge element on the lid, pivoted to a hinge element on the body, is fixed to the lid at a distance from the edge so that the buffer ring can bed on the upper portion of the lid under the hinge element. The lid 1 is hinged by an element 6 between two brackets 4 fixed to the body portion 3. The element 6 comprises a broad depressed portion 6b welded or otherwise secured to the top surface of the lid away from the edge, and a flat portion 6a passing over the buffer ring 2 and having a downturned lug 7 to which the pedal operated rod 8 is connected. The ring 2 comprises a broader lower flange 2a and a narrower upper flange 2b and is sprung on to the edge of the lid.
Patent GB-376315-A (GB)
Title: Improvements in or relating to fuel vaporizing systems
IPC: F02M31/18
Filed: 1930-12-30
Abstract: 376,315. Liquid fuel burners. MASTERS, A. H., 1401, Keenan Building, Liberty Avenue, Pittsburg, U.S.A. Dec. 30, 1930, No. 30486. [Class 75 (i).] Liquid fuel is supplied to a heater stove through a vaporizing chamber, the inflow to and the egress from the chamber being controlled by valves to produce a, pressure between 50 and 650 lbs. per square inch. In the construction shown in Figs. 4 and 5 the fuel is drawn from a tank 142 by a pump 145 and delivered to a tank 147, which is connected, by a pipe 150 containing a fuel inlet valve 152, to a heater 151. The heater is formed by a thin walled casing 154 covered by heat insulating lining 160 and contains an electrically heated chamber 156. The fuel is forced through a porous diaphragm 161 and is converted into a vapour by the chamber 156, the heating being determined by a regulator which is responsive to temperature or pressure or both. A valve 164 in the outlet from the chamber is connected to the inlet valve 152 by a link 165 and the valves 164, 152 maintain the pressure in the chamber. In Fig. 5 the valve controlling the egress of fuel is formed by a plate 166 provided with ports 167 controlled by a disc 168 with ports 169 and the disc 168 'when rotated on its shaft 170 through gearing 178, 179 controls the valve 152a admitting fuel to the chamber 151. If the pressure in the heating chamber becomes excessive a diaphragm 182 is depressed against a spring 185 and a valve 181 in the fuel supply pipe 150 is closed. The outlet conduit 158 may be provided with a heating coil 186. At starting, in order to build up a pressure in the chamber 151 a valve 188 in a byepass 187 is opened to supply fuel to the chamber. Reference has been directed by the Comptroller to Specifications 28242/07, [Class 7, Air and gas engines], 8336/09, and 17822/15, [both in Class 55 (ii), Gas manufacture &c.].
Patent GB-959147-A (GB)
Title: New dyestuffs of the naphthofurandione series and process for their manufacture
IPC: C07D307/92
Filed: 1962-08-09
Abstract: The acid chloride of dinaphthofuran-8:13-dione-6-carboxylic acid of the formula: <FORM:0959147/C2/1> is prepared by reacting thionyl chloride with the corresponding acid which is obtained by hydrolysis of its ethyl ester. The latter is made by condensing 2:3-dichloronaphthoquinone with 2:3-hydroxynaphthoic acid ethyl ester. The acid chlorides of dinaphthofuran-8:13-dione-3-carboxylic acid, 3 bromo-dinaphthofuran-8:3-dione-6-carboxylic acid and of a mixture of 10- and 11-chlorodinaphthofuran-8:13-dione-6-carboxylic acid are prepared in a similar way from 2:3-dichloronaphthoquinone and 2:6-hydroxynaphthoic acid methyl ester, 2:3-dichloronaphthoquinone and 6-bromo-2:3-hydroxynaphthoic acid methyl ester and from 2:3:6-trichloronaphthoquinone and 2:3-hydroxynaphthoic acid ethyl ester respectively.ALSO:In examples, an orange pigment obtained by condensing two molecular proportions of the acid chloride of the formula: <FORM:0959147/C3/1> with one molecular proportion of p-phenylene diamine is added to (6) stabilized polyvinyl chloride, dioctyl phthalate and, if desired, titanium dioxide and the plastic rolled to a foil, or (7) to an alkyd-melamine stoving enamel and titanium dioxide to obtain an orange enamel.ALSO:The invention comprises dyes of the formula <FORM:0959147/C3/1> in which A is a naphthalene residue, B is a direct bond or an alkylene or arylene residue, R is a substituent and n is 1 or 2. The dyes are made by condensing two molecular proportions of a halide of an acid of the formula <FORM:0959147/C3/2> with one molecular proportion of an aromatic or alkylene diamine or hydrazine.  Substituents mentioned for R are chlorine, bromine, nitro and acetylamino.  The residue A may also be substituted and B may be derived from diamines of substituted or unsubstituted benzene, diphenyl, diphenyl methane, diphenylamine, diphenyl oxide, diphenylene oxide, diphenyl sulphone, diphenyl ketone, benzil, azobenzene, naphthalene, benzthiazole, anthraquinone, chrysene, pyrene and fluoranthene.  Examples are given.  The dyes vat-dye cellulose, polyamide and polyester materials, and may be sulphonated to give dyes for wool, silk or polyamides.  The dyes may be used as pigments.ALSO:In an Example (8), a bleached cellulose paper containing zinc sulphide or titanium dioxide is pulped and the pigment obtained by condensing two molecular proportions of the acid chloride of the formula:-  <FORM:0959147/D1-D2/1> with one molecular proportion of p-phenylene diamine is added. The pigment is fixed with aluminium sulphate, saturated with aqueous dimethylolamine, pressed and dried to give an orange paper.
Patent GB-1397722-A (GB)
Title: Plant growth regulators
Filed: 1973-06-27
Abstract: 1397722 Plant growth regulation using substituted pyridines ALLIED CHEMICAL CORP 27 June 1973 [29 June 1972] 30652/73 Headnig C1B Methods and compositions for regulating plant growth utilize, as active ingredients, substituted pyrimidine compounds of formula wherein x is 1 to 5; R is H, OH, CO, CO 2 H, SO 3 H or NO 2  and Y is halogen or H; or of formula wherein R<SP>1(-)</SP> is halogen or CH 3 SO 3 . Typical compounds used are pyridyl-2-propanol, 2- pyridinealdoxime methiodide and 2-pyridinealdoxime methane sulphate. Growth rate and yield of legumes, such as soybean, is improved.
Patent GB-384760-A (GB)
Title: Means for regulating or governing the inflation of pneumatic tyres
IPC: B60C29/06
Filed: 1931-11-05
Abstract: 384,760. Relief valves. ROSS & CO., Ltd., R. L., Premier Works, Stockport, and HARGREAVES, W., Glendaruel, Thorley Lane, Timperley, both in Cheshire. Nov. 5, 1931, No. 30654. [Class 135.] In a pump connecting tube, or in connection with a tyre valve casing is disposed an air passage having an' offset valve b with stem guided in a casing having a relief port a<4>. The casing is closed by a ferrule d with screw surfaces engaging the casing, and a plug e forming a guide for the valve stem and an abutment for the valve spring. The plug is locked in position in the ferrule by a grub screw i. The ferrule has grooves d<1> co-operating with a spring g. Graduations on the casing allow the relief pressure to be determined and adjusted.
Patent GB-681130-A (GB)
Title: Novel oxazoline derivatives and process for the manufacture thereof
Filed: 1950-12-15
Abstract: The invention comprises DL-threo-2-alkyl-4-carbalkoxy-5-phenyl-oxazolines.  They are prepared by esterifying DL-threo-b -phenyl serine with an aliphatic alcohol and condensing the ester so obtained with an imino-ether.  The product may be subjected to the further step of reduction, e.g. with lithium aluminium hydride, to the corresponding DL-threo-2-alkyl-4-hydroxymethyl-5-phenyl oxazoline. In an example, DL-threo-b -phenylserine is esterified with ethyl alcohol, the ester condensed with acetimino-ethyl-ether, and the resulting DL-threo-2-methyl-4-carbethoxy-5-phenyl-oxazoline is reduced with lithium aluminium hydride to give DL-threo-2-methyl-4-hydroxymethyl-5-phenyl-oxazoline.
Patent GB-533144-A (GB)
Title: Improvements relating to cutting tools
IPC: B23C5/24
Filed: 1939-11-27
Abstract: 533,144. Milling-cutters; tools and toolholders &c. WICKMAN, Ltd., A. C. (Johnson, A.). Nov. 27, 1939, No 30886. [Class 83 (iii)] An inserted blade cutting-tool such as a milling-cutter or lathe tool comprises a body having one or more plane-sided slots 11 which converge outwardly in a transverse plane (Fig. 1) and also converge away from the end of the tool (Fig. 2), each slot being fitted with a conforming blade and wedge assembly which are locked together by interfitting serrations 27, 28 arranged on part only of the contiguous surfaces 21, 25. The blade is of uniform tapered cross section, Fig. 1, has end and side cutting-edges 22, 23 respectively, and preferably fitted with a hardened insert of cemented carbide material. The wedge is of tapered cross section and has also a longitudinal taper as shown in Fig. 2. The serrations between the blade and wedge members are arranged only on those parts of said members which lie away from the cutting-edges. The serrations on the wedge are raised from the level of the surface 25 while those of the blades are depressed from the co-acting surface 21 (Fig. 8) so that there is always contact between the surfaces 21, 25. In a modification the bottom 18 of the blade slot is inclined to the cutter axis, the inner surface of the wedge and blade being correspondingly inclined so that a longitudinal adjustment of the blade also provides a radial adjustment. In another modification, Fig. 5, the invention is applied to a hollow cutter head having inwardly directed cutters 36. A further modification comprises a rotary slotting tool with blades projecting alternately in opposite directions from the tool body. Specifications 396,491 and 533,268 are referred to.
Patent GB-1261088-A (GB)
Title: X-ray tube kilovoltage control system
IPC: H05G1/58
Filed: 1969-06-18
Abstract: 1,261,088. Transformers. PICKER CORP. 18 June, 1969 [9 July, 1968], No. 30905/69. Heading H1T. [Also in Division H2] X-ray apparatus comprising an X-ray tube 62 fed from an A.C. supply 10, 12 by way of a transformer 14 and a rectifying device 66 is provided with a control system which includes a plurality of relays 20-32 by means of which any desired series connection of the secondary windings 14S1-14S64 may be selected so as to vary the voltage applied to the X-ray tube 62. The output voltages of the secondary windings 14S are arranged in a binary sequence 1, 2, 4, 8 ... and these may be selected in any order to provide any voltage variation in single steps from 1 to 127 and when selected the windings are connected in series with a reference secondary winding 14SR. Certain of the secondary windings are separate from the primary winding 14P whereas other secondary windings are arranged in an autotransformer mode, and the primary winding 14P is provided with tappings 14P1-14P10. The control system for energizing the relays 20-32 includes numerous transistors and thyristors which form counting devices, bistable multivibrators and various switching and adjusting devices. Adjustments are provided to limit the minimum and maximum voltages that can be applied to the tube and to control the applied voltage when the apparatus is used for radiography or fluoroscopy. The apparatus includes means for ensuring that the selection of the windings 14S to provide a required tube operating voltage is made before the tube can be energized which means includes delay means which inhibits conduction of a thyristor 58 between the transformer 14 and the rectifier 56 until the end of the delay period. Means are also provided to prevent further operation of the relay selecting system once an exposure has been initiated.
Patent GB-1396100-A (GB)
Title: Liquid fuel spray device
IPC: F02C7/266
Filed: 1971-07-02
Abstract: 1396100 Gas turbine engine combustion chambers LUCAS INDUSTRIES Ltd 28 June 1972 [2 July 1971] 31077/71 Heading F1L [Also in Division F4] A liquid fuel spray device comprises a generally cylindrical air passage 13, a plurality of air swirler vanes 14 within the passage 13, a fuel pipe 15 extending axially of the passage 13 and provided with transversely directed nozzles 17 downstream of the vanes 14, and an air pipe 18 having an outlet 19 adjacent one of the nozzles 17 and positioned so as to urge fuel having the said one nozzle toward an ignitic device 12. The air pipe 18 extends within the fuel pipe 15 and passes out of it, and terminates in the open end 19 upstream of the said one nozzle. Each nozzle 17 is disposed adjacent the root of a vane 14 and has an axis perpendicular to the axis of the air passage 13. The fuel spray device (11), Fig. 1, (not shown) is located at the upstream end of a flame tube (10) of a gas turbine engine combustion chamber.