baber/WOPTO huggingface dataset:
Patent GB-819713-A (GB)
Title: Improvements in gas-liquid contact apparatus
IPC: F24F6/12
Filed: 1956-12-18
Abstract: 819,713. Centrifugal separators. CARRIER ENGINEERING CO. Ltd. Dec. 18, 1956 [April 2, 19561. No. 38527/56. Class 23 [Also in Group XII] In a gas-liquid contact apparatus, the gas is sprayed with the liquid as it passes through a casing, and excess liquid is removed by an eliminator consisting of rotating collecting-plates or blades. In Fig. 1, a fan 7 in the inlet end of a casing 4 impels air past sprays 12, which may be as described in Specification 795,208 [Group XXIX] and through the eliminator 14 to the discharge opening 17. The eliminator comprises radial plates 15 which may be V-shaped or Z-shaped in section, or may be V-shaped with the sharp angle of the V rounded off, or may be like a complete cycle of a sine curve. A V-shaped section may have protuberances, extensions or gutters added to enhance the water-intercepting action. The plates 15 are integral with a frusto-conical member 16 so that water collecting on the plates and moving centrifugally to the member 16, is diverted thereby back into the spraying zone to be removed by the drain 13. The smaller end of the member 16 has an inwardly directed flange which, with outwardly directed spaced flanges on the flange 17 defining the outlet, forms a seal to prevent air from by-passing the eliminator. The blades may be disposed generally in a plane at right angles to the axis of rotation, or may have an inclination towards the outlet 17 so that they have a conical disposition. The eliminator is shown as being driven by a motor 19, but the rotation may be derived non-positively by the flow of air through the eliminator. In Fig. 11, the air is drawn through openings 56, 57, by a fan 66 into the space between casings 55, 63 and is treated by a spray produced by admitting water through the pipe 60 into a rotating hub 73 from which it is thrown through holes 75 against vanes 70, 71 carried by stationary rings 68, 69 between which the air flows. The hub 73 is rotated by the motor 72 and carries radial V-sectioned plates 76 which are secured together by spaced rings 79, 80, 81. The outermost ends of the plates 76 are bent back circumferentially to form a surface corresponding to the surface 16 of Fig. 1, and tabs 79 project axially from the plates to produce turbulence and recirculation of the air and spray. The air and waterdroplets are then drawn through the rotating eliminator plates 76 and the air is discharged through the centre casing. A drain 85 is provided. In another modification, the air is drawn into the centre of a centrifugal fan, and water is sprayed on to a disc rotating with and within the fan so that the water is flung outwardly through the blades of the fan against a stationary ring-plate whereby it is atomized and mixed with the air. The mixture passes to an eliminator which is mounted on the same shaft as the fan. Specification 819,714 also is referred to.
Patent GB-345637-A (GB)
Title: Improvements in or relating to a method of preventing the formation of films and scums in water or watery liquids and on surfaces in contact therewith
IPC: F28F19/00
Filed: 1929-12-18
Abstract: 345,637. Imparting special properties to water. WHITE, A. E., 5, Quality Court, Chancery Lane, London.- (Wallace & Tiernan Products, Inc. ; Belleville, New Jersey, U.S.A.) Dec. 18, 1929, No. 38828. [Class 46.] To prevent the formation of films and scums on flowing water or watery liquids such as the cooling water of surface condensers, and the pulp in paper mills, and on surfaces in contact therewith, chlorine is added to the water intermittently. ¥ of a part by weight of chlorine is added to a million parts of water during periods of one minute with off intervals of ten minutes. Chlorine solution is supplied to the cooling-water inlet pipe 11 of a condenser 10 through a pipe 13 supplied with the solution from a chlorinator 14. Chlorine is drawn from a container through a pipe 15 by the flow of water supplied through a pipe 17 containing a valve 18, which is periodically opened and closed. The valve is operated electrically, for example, by a solenoid, the current supplied to which is controlled by a switch having contacts 32 moved by clockwork.
Patent GB-859390-A (GB)
Title: Improvements in and relating to guard mechanism for power presses
Inventor: PALMER JAMES MORRIS
IPC: F16P3/04
Filed: 1957-12-13
Abstract: 859,390. Machinery guards. BRITISH CERAMIC RESEARCH ASSOCIATION. March 2, 1959 [Dec. 13, 1957; July 3, 1958], Nos. 38927/57 and 21272/58. Class 80 (4). A control rod 29 connected to the starting handle 30 of a screw-press is inoperative unless it is connected to the rod 31 operating the starting gear by means of a latch 26 which is pivoted in a bracket mounted on the rod 29 and operated by a spring link 22 connected to the press guard through a link 20. The transparent guard 11 is normally lifted by a pair of counterweighted arms 15 and is closed by action of the operator on a bar 14 which extends between the arms and moves with lost-motion in brackets 13 carrying the guard, the taking up of lost-motion operating the latch. In a modification, the operating rods work in compression and the latch again prevents lostmotion. A spring-loaded plunger 38 on the side of the top cover 35 is normally held in place by a rear cover 36, but if this cover is removed, the plunger prevents movement of the arm 15 and hence the guard.
Patent GB-865452-A (GB)
Title: A heel-tap for ladies' shoes
IPC: A43B21/24
Filed: 1959-11-17
Abstract: 865,452. Heel protectors. LANGE, H. Nov. 17, 1959 [Feb. 6, 1959], No. 38948/59. Class 17(3) A metal heel protector 1, for use particularly on metal heels having a wooden core, is shaped to the cross-section of the heel and provided with a central tapered bore 2 the sides of which taper towards the shoe, and is attached to the heel by nails 8 passing through a frusto-conical plug 6 of synthetic material which is pressed into the bore and secured against angular displacement by radially directed teeth 7 on the wall of the conical bore.
Patent GB-834130-A (GB)
Title: Improvements in and relating to methods of screening solid material
Inventor: CHAPMAN WILLIAM RONALD
IPC: B07B1/00
Filed: 1956-12-21
Abstract: Broken coal or other solid lumpy material is screened by first subjecting it to a first or "coarse" screening operation, applying not more than 5% by weight of oil or other surface "wetting" agent to the smaller material which has passed through the coarse screen, and then subjecting the smaller material to one or more screening operations on one or more finer screens. The agent may be applied by spraying, and the material may be agitated during or after the spraying.
Patent GB-1425690-A (GB)
Title: Powder coating compositions
IPC: C09D133/06
Filed: 1974-09-06
Abstract: 1425690 Coating composition FORD MOTOR CO Ltd 6 Sept 1974 [6 Sept 1973] 39022/74 Heading C3B A powder coating composition comprises a mixture of: (A) a copolymer of 5-20% by wt. of a glycidyl ester of a monoethylenically unsaturated acid, 2-10% by wt. of an α,#- olefinically unsaturated amide and 70-93% of one or more monoethylenically unsaturated monomers, which has a glass transition temp. 40-90‹ C. and M.W. 1500-15000 ; and (B) a dicarboxylic anhydride present so as to provide 0À3-1À2 anhydride groups per functional group (i.e. epoxy or amide group) of (A). A typical (A) comprises (by wt.) 17% glycidyl methacrylate, 8% methacrylamide, 35% butyl methacrylate and 40% methyl methacrylate. (B) may be monomeric, e.g. maleic, glutaric or phthalic anhydride or polymeric, e.g. polyazelaic polyanhydride. Conventional flow control agents, pigments, antistatic agents and cross-linking catalysts may additionally be present.
Patent GB-963425-A (GB)
Title: Portable log saw assembly
Inventor: HAYDEN ERNEST ALBERT
IPC: B27B17/00
Filed: 1961-06-05
Abstract: 963,425. Sawing. E. A. HAYDEN. June 5, 1961, No. 39266/63. Divided out of 959,323. Heading B5L. A portable log saw assembly comprises a carriage 14 to extend across a reclining log 2, Fig. 7, and having guide means 34, 36, 38 to bear upon the log, the carriage being adapted to mount a chain saw 26 in a plane below the guide means, and a roller 104 having a downwardly-tapered portion and extending below the said plane for engagement with the log during a sawing operation. The carriage has end brackets 16, 18 secured together by a tie-bar 74 and provided with lugs 66, 68, Fig. 2, which are internally threaded to receive screws 62, 64 engaging projections 54, 56 on cross-bars 30, 32. The screws are rotatable by hand wheels 70, 72 to raise and lower the bars which carry shafts rotatably supporting the guide means which consist of rollers 34, 36, 38. The end brackets have feet 76 secured by bolts to a guide bar 20 for the chain saw 26, the bar extending beyond the ends of the carriage to provide a support for the driving means S for the saw and a handle 78. The bolts securing the bracket 16 to the bar also secure a bracket 79 to the other side of the bar, the bracket, at one end, supporting a shaft carrying a tapered roller 102 and a roller 86 extending above the rollers 34, 36, 38, and, at the other end, adjustably supporting a member 88 which carries at its end the tapered roller 104 and a roller 100 also extending above the rollers 34, 36, 38. In operation, in order to provide a flat surface on the log, a board P is secured to the log by nails 120 and wedges 116 and the rollers 34, 36, 38 run along the board so that the saw produces a flat surface on the log. Thereafter the rollers can engage the log as it is cut into boards of a thickness determined by the distance between the saw and rollers as set by the hand wheels 20. The tapered rollers 102, 104 engage the side of the log and the angle which the saw makes with the log is determined by the adjustment between the member 88 and bracket 29; the angle determines the amount of self-feeding of the saw into the log. The rollers 86, 100 prevent the end bracket 16 engaging the log when the cut is beyond the greatest chamber of the log. Convex or concave surfaces may be cut by adjusting the nuts holding the shafts 42 carrying the rollers on the bars 30, 32 so as to bend the saw bar 29 and the tie-rod 74.
Patent GB-1399107-A (GB)
Title: Control systems for power operated window cleaning means
IPC: B60S1/48
Filed: 1972-08-23
Abstract: 1399107 Moisture activated window cleaning G C Baylis 23 Aug 1972 39301/72 Heading G1N [Also in Division H1] Power driven window cleaning devices such as vehicle window wipers are operated when moisture is detected by a water activated primary cell. In Figs. 2 and 3 the cell comprises a perforated copper anode 22 separated from a zinc cathode 24 by a perforated layer of insulation 23. When moisture is present the potential difference set up by the cell is amplified by the three transistors and activates relay 33 to whose contact 34 a windscreen wiper motor 21 is connected. A heater 26 is mounted by insulation 25 on the cell to dry it, this heater also being activated by relay 33, via variable resistor 36. The wipers thus operate until a given time after moisture reaches the cell, depending on the drying rate of the heater. The system may be rendered inoperative by switch 37 across the cell. The cell may be placed so that a jet from the windscreen washers will hit it, so that the wipers are automatically activated when the washers are used. Cell materials; the following are specifically referred to: a zinc or zinc coated steel cathode with an anode of brass, gold, nickel plated brass, stainless steel or silver; a zinc, magnesium, magnesium alloy or zinc alloy cathode and a-copper anode; a steel or stainless steel cathode and an . aluminium anode.
Patent GB-919876-A (GB)
Title: Increasing the heavy hydrogen content of hydrogen
Inventor: SCHAURER GUSTAV
IPC: C01C1/04
Filed: 1960-11-16
Abstract: The deuterium content of hydrogen is increased by passing a mixture of gases containing hydrogen and nitrogen over an ammonia synthesis catalyst, separating the ammonia formed and replacing the amount of mixture used by an equivalent amount of gases containing hydrogen and nitrogen, passing this over the catalyst and repeating the process at least nine times.  The ammonia obtained contains mainly light hydrogen.  The reactant gases are preferably free from gases, other than deuterium, which do not react with the nitrogen under the conditions employed.  The ammonia may be liquefied and the hydrogen dissolved therein removed by evaporation at a pressure lower than that used for the liquefaction, and this hydrogen may then be used as a reactant gas.  For further enrichment, the residual hydrogen, enriched in deuterium, remaining after removal of ammonia, nitrogen, and inert gases, is mixed with nitrogen and this mixture used in the process.  Specification 870,452 is referred to.
Patent GB-1004769-A (GB)
Title: Preparation of lithium hydride
IPC: C01B13/08
Filed: 1963-10-07
Abstract: Lithium hydride is prepared by subjecting hydrogen to the action of a glow discharge in the presence of Li metal at a temperature below the m.pt. of Li.  Preferably, the Li is in the form of a wire, and the glow discharge is produced at H2 pressures of less than 1 atm., e.g. 200 m  Hg, by applying a voltage of 1000-2000 V across tungsten electrodes drawing a current of several milliamps.  The ratio of electric field (V/cm.) : pressure (mm. Hg) should be 1 : 5.
Patent GB-1127625-A (GB)
Title: Method of cross-linking polymers
IPC: C08F8/42
Filed: 1965-09-16
Abstract: 1,127,625. Coating. JOHNSON & JOHNSON. 16 Sept., 1965 [28 Sept., 1964], No. 39569/65. Headings B2E and B2K. [Also in Division C3] A composition comprising a cross-linkable polymer containing, as the sole cross-linking component, not more than 5% by weight of chemically combined alkoxy silyl alkyl cross-linking groups may be used as a pressuresensitive adhesive or protective lacquer coating. In Example 1, a solution of a 2-ethyl-hexyl acrylate/vinyl acetate/N-tert. butyl acrylamide/ 3-(trimethoxyselyl)-propyl methacrylate copolymer is bar-coated on release paper, or coated on to rayon acetate taffeta and dried. A solution of an acrylamide/styrene/ethylacrylate/3- (trimethoxysilyl)-propyl methacrylate copolymer. with or without dibutyl tin di-2-ethylhexoate, is applied to steel panels in Example VI.
Patent GB-952715-A (GB)
Title: Improvements in or relating to cutting arrangements for cutting longitudinally moving webs
IPC: B65B61/08
Filed: 1962-10-19
Abstract: 952,715. Cutting webs. A. SCHMERMUND. Oct. 19, 1962 [Nov. 10, 1961], No. 39591/62. Heading B4B. Apparatus for cutting a longitudinallytravelling web 8 comprises a rotatable member 1, Figs. 1 and 2, provided with a rectilinear cutting edge 3, and a rotatable co-operating counter-roller 6, which are so arranged that the cutting edge is progressively engaged along its length by the counter-roller surface after the cutting edge has penetrated the web, the developed line of action of the cutting edge against the counter-roller surface being a generatrix of a hyperboloid. The cutter 3 has a straight cutting edge extending parallel to the axis of the shaft 2, and is held by a clamping plate 4 secured to the body of the roller by screws 5; the web 8 is fed at right angles to the cutting edge. The counter roller 6, which in this construction is of concave hyperboloidal form, is mounted with its axis at an angle to the direction of travel of the web. In a second embodiment, Figs. 3 and 4 (not shown), the axes of the cutter and counterrollers are parallel and oblique to the direction of travel of the web, the cutting edge is oblique to the axis of the cutter roller, and the counter roller is of convex hyperboloidal form. The same cutting effect may be obtained in a further embodiment, Figs. 5 and 6 (not shown), by providing a cutter-roller and counter-roller of cylindrical form with their axes inclined differently relative to the direction of travel of the web, the cutting edge being set at an angle to the axis of the cutter roller. The line of action of the cutting edge against the counterroller then forms a shallow elliptical curve, which on rotation of the counter roller forms a hyperboloid. To form marginal cuts in a paper web, a narrow cutter roller 31, Fig. 8, has a plurality of cutters 32 whose edges are alternately inclined and the narrow counter-roller 33 has a slightly convex hyperboloidal surface form 37.
Patent GB-340776-A (GB)
Title: Method of and apparatus for forming tubular metal articles
IPC: B21C37/08
Filed: 1929-12-28
Abstract: 340,776. Making bearings. KLOCKE, W. H., 8906, 97th Street, New York, U.S.A. Dec. 28, 1929, No. 39688. [Classes 83 (ii) and 83 (iv).] Angular bending ; formers. -Cylindrical bearings are formed from flat blanks by first bending the blank into bulged U-form by means of a semi-cylindrical die and cylindrical punch, then completing the bending on a mandrel 7 by dies 8, 10 which produces a flowing of the metal of the limbs 2 and base 4 into its final form.
Patent GB-958574-A (GB)
Title: Clostridium perfringens ª‰-toxoid vaccines
Inventor: STERNE MAX
IPC: A61K39/08
Filed: 1959-11-23
Abstract: The invention relates to a stable vaccine containing Clostridium perfringens (Cl. welchii) b -toxoid from which most or all of the free formaldehyde has been removed.  The formaldehyde is removed by (a) dialysis especially against polyethylene glycol; (b) ultra-filtration using membranes which retain proteins but allow molecules of smaller molecular weight to pass; or (c) addition of sodium metabisulphite or other pharmaceutically acceptable reagent capable of reacting with formaldehyde, provided that the aldehyde-reaction products are suitable for injection and harmless to the immunizing agent.
Patent GB-1509140-A (GB)
Title: Weighing device
IPC: G01G5/00
Filed: 1976-09-24
Abstract: 1509140 Weighing device J H LAGNEAU 24 Sept 1976 [3 Oct 1975] 39748/76 Heading G1W A weighing device comprises an hydraulic load cell 5, Fig. 2, (not shown) connected to a mercury containing manometer 8, 9, 70, the open limb 10 of which is connected to the other limb 8 by a flexible connection 9, and means 16 for weighing the amount of mercury displaced into limb 10 as a measure of the pressure generated in the load cell by an object being weighed. A load platform 14 is supported by a plurality of load cells each connected to a respective manometer, the open limbs of all the manometers being carried by weighing machine 16. Each load cell and a duct connecting it to the manometer are oil filled and the duct includes a solenoid valve 20 and a pressure switch 21 which causes valve 20 to close if the pressure generated is too high.
Patent GB-1171660-A (GB)
Title: Circuit Breaker with Trip Indicator
IPC: H01H71/52
Filed: 1967-08-31
Abstract: 1,171,660. Automatic circuit-breakers. SQUARE D CO. 31 Aug., 1967 [10 Nov., 1966], No. 39797/67. Heading H1N. In a circuit-breaker similar to that of Specification 827,733 there is provided a pivoted trip indicator 30 connected to the trip lever 10 by a spring 34 acting as an extensible-contractible link such that, when the trip lever 10 is released upon overload by trip mechanism 14 and moves under the force of over-centre spring 11 such that contacts 3, 4 open, the indicator 30 is rotated by spring 34 to bring its coloured flag 33 into view in window 27. When lever 10 is in the untripped position, the flag 33 of indicator 30 is held out of alignment with window 27, regardless of the position of the manual operator 6, see also Figs. 4, 5 (not shown).
Patent GB-1405966-A (GB)
Title: Pharmaceutical compositions
IPC: C07D209/28
Filed: 1973-08-22
Abstract: 1405966 Pharmaceutical compositions CHIN0IN GYOGYSZER ES VEGYESZETI TERMEKEK GYARA RT 22 Aug 1973 [24 Aug 1972] 39853/73 Heading A5B [Also in Division C2] Pharmaceutical compositions having analgesic and anti-inflammatory activity comprise an N-acylated indole-3-carboxylic acid ester of the formula wherein R is an optionally substituted aryl or heterocyclic group containing one or more oxygen, sulphur or nitrogen heteroatom such as phenyl, naphthyl, pyrrole, furan, furazole, thiazole, thiadiazole or pyridine optionally substituted by one or more halogen and/or nitro groups, R<SP>1</SP> is hydrogen or alkyl, and R<SP>2</SP> is hydrogen, alkyl, alkoxy or dialkylamino, in admixture with a pharmaceutically acceptable solid or liquid carrier. The preferred active ingredient is trichloroethyl 1 -(p-chlorobenzoyl)- 2-methyl-5-methoxy-3-indolyl acetate. The compositions may be administered orally, parenterally or rectally in the form of tablets, pills, coated pills, capsules, suppositories, ointments, solutions, emulsions or suspensions. The compositions may also contain at least one further pharmaceutically active substance.
Patent GB-891281-A (GB)
Title: Improved process for preparing lubricant and distillate fuel additives
IPC: C10M145/16
Filed: 1960-11-21
Abstract: Additives for lubricating oils as viscosity index improvers and pour point depressants are copolymers of dialkyl fumarates and vinyl esters (1:1,5-5 molar ratio).  In Example I the copolymer of vinyl acetate and a mixture of di C8 oxofumarate and ditallow fumarate is blended with a mineral lubricating oil having a viscosity at 100 DEG F. of 150 S.U.S. and a viscosity at 100 DEG F. of 150 S.U.S. and a viscosity index of 108 to form a concentrate solution containing 35% by weight of the copolymer.  Also 3,6% of the copolymer is blended with a Mid-Continent mineral oil of 45,7 S.U.S. viscosity at 210 DEG F. and a viscosity index of 113.ALSO:Oil-soluble copolymers are prepared from a monomeric mixture of vinyl esters and dialkyl fumarates with at least 1,5 molar proportions of the vinyl ester per molar proportion of the fumarate.  Polymerization is stopped on substantially complete conversion of the fumarate (i.e. 96-99,9%), determined by polaragraphic analysis, and unreacted vinyl ester is removed. About 1 to 10% of maleic anhydride, N-vinyl pyrrolidine, or alkenes may be added to the above mixture before copolymerization. Vinyl esters specified are those of fatty acids having from 2 to 18 carbon atoms, vinyl acetate being preferred.  Dialkyl fumarates specified are those with an average of 8 to 18 carbon atoms per alkyl group and may be mixtures of dialkyl fumarates prepared from single alcohols and fumaric acid or mixtures of dialkyl fumarates derived from a single alcohol with dialkyl fumarates prepared by esterification of mixed alcohols with fumaric acid. Polymerization may be effected in a solvent or diluent, e.g. n-heptane, petroleum ether, kerosene or lubricating oil, preferably with a catalyst, e.g. benzoyl peroxide, acetyl peroxide, t-butyl hydroperoxide, t-butyl perbenzoate or azobis-isobutyronitrole, heating to 50 DEG  to 125 DEG C., generally in an inert atmosphere of nitrogen or carbon dioxide. Superatmospheric pressure may be employed and a reaction time of 3 to 12 hours gives a copolymer of molecular weight 50,000 to 2,000,000. In Example 1, a mixture of di(C8 oxo)fumarate and ditallow fumarate (average molecular weight of 377) is copolymerized with excess vinyl acetate, with hexane being added in the later stages to control the viscosity, benzoyl peroxide being used as a catalyst.  Reaction is terminated (when 99% of the fumarate monomer is converted) with a chain-stopping agent, e.g. a sulphurized terpene.  Hexane and unreacted vinyl acetate are removed by blowing with nitrogen at 80 DEG C.  The copolymers may be added to lubricants and distillate fuels as pour point and viscosity index improves.  Specifications 804,029 and 806,906 are referred to.
Patent GB-1346701-A (GB)
Title: Process for the manufacture of aceto-acetic acid
IPC: C07C59/195
Filed: 1972-08-29
Abstract: 1346701 Acetoacetic acid WACKERCHEMIE GmbH 29 Aug 1972 [4 Nov 1971] 39990/72 Heading C2C Acetoacetic acid ester is prepared by hydrolysing diketene at from 0 to 30‹ C. with the stoichiometric amount of water in the presence of 10 to 60 mol. per cent of hydrogen chloride, relative to the diketene, and crystallizing the acid at - 40 to 0‹ C. An inert solvent such as an aliphatic hydrocarbon may be used and the hydrogen chloride added as free hydrogen chloride or hydrochloric acid.