baber/WOPTO huggingface dataset:
Patent GB-709604-A (GB)
Title: Improvements in the production of vinyl chloride
IPC: C07C17/08
Filed: 1952-06-05
Abstract: In a process for the production of vinyl chloride from acetylene and hydrogen chloride at elevated temperature in the gas phase and in the presence of mercuric chloride as catalyst, the reaction chamber contains a finely-grained surface-active catalyst carrier which is kept in motion by gases blown into the reaction chamber and mercuric chloride is supplied thereto continuously or periodically by means of gases.  The carrier may be optionally charged with mercuric chloride before the commencement of the reaction.  Surface-active carriers mentioned are activated carbon, silica gel and activated aluminas. Mercuric chloride entrained by the reaction gases may be separated in an adjacent cooled part of the reaction chamber and supplied again to the process.  For withdrawing the heat of reaction, the reactor is provided with a cooling jacket and cooling surfaces may be provided in the interior of the reactor.  The reaction may be regulated by employing one of the components of the initial gas in excess, the excess being removed from the reaction gases, for example by liquefying the vinyl chloride formed by cooling or by compression and subsequent gassing out (when employing acetylene in excess), or by washing out with suitable solvents, such as 1 : 1- or 1 : 2-dichlorethane (when employing the hydrogen chloride in excess).  In the example a mixture of acetylene and hydrogen chloride is allowed to flow upwardly through a vertical iron tube containing activated carbon of grain size 0.1-0.3 mm. after being led through a preheater in which mercuric chloride is heated.  The temperature of the reactor is controlled by means of an oil jacket.  The vinyl chloride formed is freed from hydrogen chloride and purified by distillation.
Patent GB-118181-A (GB)
Title: Improvements in and relating to Carburetters.
Inventor: COLLINS WILLIAM DAVIS
IPC: F02M21/10
Filed: 1917-10-02
Abstract: 118,181. Collins, W. D., and Feeny, V. F. Oct. 2, 1917. Vaporizers, external.-Mixture from a carburettor is vaporized in passing through externallyheated tubes f carried by the tube plates h, h<1> seated in an air-tight manner in a casing a and removable laterallv through a detachable side of the casing. In the form shown, exhaust gases enter the casing at i and leave by an outlet j controlled by a shutter k. The tube plates are connected by a bolt g and are fitted with spring packing q. The casing may be cylindrical or rectangular, and the detachable side a<1> has flanges a<11> closely fitting the headers l, l<1>. When the casing is rectangular, the tube plates may have inclined sides fitting in correspondingly inclined or tapered walls in the casing. The tubes f may be of copper or brass and the casing of gunmetal or aluminium alloy, with gun-metal tubeplates. The inlet b and outlet c may be fitted with adapters for fitting different carburettors.
Patent GB-686223-A (GB)
Title: Adjustable reclining chairs or the like articles of furniture
Inventor: HARDT JOHANNES LUCK
IPC: A47C1/035
Filed: 1951-06-15
Abstract: 686,223. Seats. LORENZ, A. June 15, 1951, No. 14224/51. Class 52(ii) A reclining chair or the like wherein a seat, a back rest, a pair of pivotally connected connecting links, guiding means and a portion of the chair support are included in a constrained linkage having a number of movable links and one stationary link formed by the portion of the chair support is characterized in that the guiding means. connected to the support is engaged with one of the movable links comprising the seat and back rest. As shown in Fig. 3, the back rest 126 is pivoted to the seat 122 at 124, a lower connecting link 128 is pivoted to the back rest at 130 and to the support 120 at 136 at which point it is also pivoted to a front connecting link 138, this link also being pivoted to the seat at 140. A guiding link 142 is also pivoted to the seat at 125 and to the support at 144, an extension 162 of the guiding link 142 being connected by a spring 164 to the support 120. Stops 146, 150 abut the connecting link 128 when the chair is in its sitting and reclining positions respectively. The stationary link of the linkage comprises the stationary support 120 between the points 136, 144. Fig. 4 shows another embodiment incorporating a leg rest which is under the control of a control link. As shown, the back rest 226 is pivoted to the seat 222 at 224. A downward extension 229 of the back rest 226 is pivoted at 230 to a lower connecting link 228 itself pivoted at 232 to the support 220 at 232 and to the front connecting link 238 at 236, the front connecting link being pivoted at 240 to the seat. A guiding link 242 is pivoted to the support 220 at 244 and to the back rest at 223. The guiding link 242 forms part of a bell crank 268, the lower arm 280 of which forms a controlling element for the leg rest. The arm 280 is pivoted at 278 to a controlling link 276 pivoted at 274 to the leg rest 270 which is also pivoted to the seat 222 at 272. A stop 246 is provided to act as an abutment for the sitting position and an adjustable stop 250 for the reclining position. Instead of being a link the guiding means may comprise a slot formed in a part of the stationary frame engaged by a pin or projection provided on the seat or back rest.
Patent GB-731020-A (GB)
Title: Process for the manufacture of 4-(p-aminobenzenesulphonyl)-aminopyrimidines
IPC: C07D239/69
Filed: 1953-05-21
Abstract: 4 - (p - Aminobenzene - sulphonyl) - aminopyrimidines are made by reacting one mol. of 4-aminopyrimidine under anhydrous conditions with at least 1 1/2 mols. of a benzene sulphohalide containing a substituent convertible by hydrolysis or reduction to an amino group in the p-position to the sulpho group, in presence of a non-hydroxylic organic solvent and of at least 1 1/2 mols. of an acid binding agent consisting of trimethylamine and another tertiary base having at least the same capacity for binding hydrogen halide, splitting off one benzenesulphonyl radical from the bis-(benzenesulphonyl)-aminopyrimidine produced, and converting the p-substituent referred to to an amino group by hydrolysis or reduction.  The tertiary amine other than trimethylamine is preferably a trialkylamine in which no alkyl group contains more than 4 carbon atoms while at least one alkyl group contains more than 1 carbon atom, and preferably 1-50 per cent trimethylamine is used with 99-50 per cent of the other tertiary amine. Examples describe the production of 4-(p-aminobenzenesulphonyl)-amino-2,6-dimethylpyrimidine from 4-amino-2,6 - dimethyl - pyrimidine and (1) p - acetylsulphanilic acid chloride in methylene chloride in presence of a mixture of trimethylamine with triethylamine, dimethylethylamine, or diethylmethylamine, followed by hydrolysis of the product with caustic soda; or (2) p-nitrobenzenesulphochloride in methylene chloride in presence of a mixture of trimethylamine and triethylamine, followed by combined reduction and hydrolysis with iron and hydrochloric acid; or (3) p-chlorbenzenesulphochloride as in (2), followed by hydrolysis in alcoholic caustic soda and reaction with ammonia.  Other solvents specified are ethylene chloride, chloroform, or acetone.
Patent GB-1386293-A (GB)
Title: Electronic time-pieces
IPC: G04G3/02
Filed: 1972-03-28
Abstract: 1386293 Electronic watches SUWA SEIKOSHA KK 28 March 1972 [31 March 1971] 14469/72 Heading G3T An electronic timepiece comprises a time standard oscillator 5, Fig.2, e.g. a crystal controlled tuning fork, having an output of 16384Hz, which is divided by a frequency divider 6 comprising a plurality (e.g. seven) divide-by-four ring counters in cascade to produce an output signal at 1Hz. The divider output is fed to a decoder 7 comprising further ring counters which effect division by six, ten and twelve or twenty-four respectively. The decoder outputs activate a solid-state numeric time display 8 e.g. liquid crystal, which indicates hours and minutes. Seconds are indicated by causing two dots S to flash every second. The frequency divider ring counter stages are formed by insulated gate field-effect transistors using integrated circuit techniques. As shown, Fig. 4 the divider stage, block 9, comprises a master flip-flop 24 and a slave flip-flop 25. By applying output 23 of the master 24 as the input to the slave flip-flop 25 and by arranging the control inputs Ï  and Ï of the slave flip-flop to be in phase opposition there is obtained a master-slave type delay flip-flop - having two stage operation. By connecting "n " stages as block 9 in cascade and driving by a common clock signal Ï Ï; and by feeding the circuit output back to its input in the opposite phase, the circuit becomes a 2n divider. Fig.4 shows a “ divider where n=2.
Patent GB-404195-A (GB)
Title: Improvements relating to rail vehicles and rails
IPC: B61F9/00
Filed: 1933-05-22
Abstract: 404,195. Railway sleepers and chairs. WIESINGER, K., 39, Hochstrasse, Zurich, Switzerland. May 22, 1933, No. 14754. Convention date, Dec. 8, 1932. [Class 104 (ii).] To minimise the risk of derailment the wheels a, Fig. 1, of a rail vehicle are set at an inclination to the vertical and provided with deep flanges b -which are either conical or convex, while the rails e are also mounted on the sleepers g at a suitable co-operating inclination. The rail chairs h may either be formed integrally with the sleepers g by bending up the ends of the latter as shown in Fig. 1, or they may be riveted or welded to the sleepers indicated at i, Fig. 3, the sleepers at intervals being fixed by anchors k in known manner.
Patent GB-710187-A (GB)
Title: Improvements in or relating to apparatus for cutting off predetermined masses of plastic material during extrusion through a nozzle
Inventor: MOORE SYDNEY JACK
IPC: B28B11/16
Filed: 1951-06-21
Abstract: 710,187. Machines for moulding ceramic articles. SULZER BROS. (LONDON), Ltd., and WEDGWOOD & SONS, Ltd., J. June 13, 1952 [June 21, 1951], No. 14718/51. Class 87 (2) Clay is extruded through a nozzle B<1> and is cut into lengths by reciprocating knives E<4>. The cut lengths fall into moulds on a rotary carrier where they are shaped e.g. ino the form of a cup. To reduce the tendency of the clay to stick to the knives they are curved or inclined in such a manner that their cutting edges are further from the nozzle than their rear edges. The undersides of the knives are cut away as at E<1> to the shape of the extruded material. The knives are moved by compressed air supplied to cylinders C<1>, C<2> through openings C<3>, C<4>. The knives may be returned by springs D<4>. The supply of compressed air is controlled by a valve (Fig. 5, not' shown) which is operated by a striker on a gear wheel driven in synchronism with the rotary carrier. The timing of the valve may be adjusted by adjusting tappet members on the valve or by adjusting, the striker member. The inward travel of the knives is limited by stops D<5>, C<6> engaging each other. The travel of the knives may be adjusted by means of the screw - threads D<2> in piston rods D'.
Patent GB-179444-A (GB)
Title: Improvements in billiard balls and the like
IPC: A63F7/40
Filed: 1921-05-27
Abstract: 179,444. Willoughby, F. S. May 27, 1921. Balls.-A billiard or like ball with a true spherical surface has its centre of gravity displaced' from the geometrical centre to give the ball an uncertain movement. In a bonzaline ball a metal ball may be embedded out of centre during the moulding process, or a disc b, Fig. 4, or a series of metal rods, may be let into the surface. In an ivory ball, a plug c, Fig. 2, may retain a single ball a, a series of small balls, or a quantity of quicksilver. A section or a half of the billiard ball may be made of a lighter or heavier material, or a cavity d, Fig. 10, may be made in the ball. A weight g, Fig. 8, adjustable by a screw f may be provided within a bore, or the ball may be made in two separable parts, Fig. 9, to permit access to an adjustable weight j.
Patent GB-1350473-A (GB)
Title: Cameras
IPC: G03B7/12
Filed: 1971-05-13
Abstract: 1350473 Reflex cameras RICOH K K 13 May 1971 [26 May 1970] 14748/71 Heading G2A A camera having an interchangeable lens has a coupling ring 1 mounted in the body of the camera and rotatable upon actuation of a shutter release member 6 through an angle dependent upon the intensity of light as sensed by lightsensitive means, an aperture stop control member 14 being rotatable in the barrel of the lens and being coupled for rotation with the coupling ring only upon actuation of the shutter release. The rotation of ring 1 is limited by engagement of a cam surface 13a of a cam lever 13 with a pointer 12a of an exposure meter 12. Shutter release 6 has an arm 6a which engages a clutch lever 4 having a saw tooth portion 4a, lever 4 being pivoted at 3 to ring 1 so that upon operation of release 6 lever 4 is allowed to rotate and saw tooth portion 4a engages a coupling arm 14a attached to control member 14. At the same time a pin 6b mounted on shutter release 6 engages a lever 10 which rotates counterclockwise to permit rotation of ring 1. The diaphragm can be manually set by rotation of index ring 16.
Patent GB-1513203-A (GB)
Title: Carboxylated block polyester/polyether resins
IPC: C08G63/00
Filed: 1976-04-12
Abstract: 1513203 Thermosetting adhesive compositions UNITECH CHEMICAL Inc 12 April 1976 [26 June 1975] 14869/76 Headings C3B and C3R A thermosetting adhesive composition comprises (a) the reaction product of a copolyetherester and a tetracarboxylic dianhydride and (b) an epoxy resin, a phenol-aldehyde resin or an amine-aldehyde resin. The examples describe adhesive compositions comprising (a) the reaction product of 3,3<1>,4,4<1>-benzophenonetetracarboxylic acid dianhydride with a copolyether ester derived from dimethyl terephthalate, dimethyl isophthalate, 1,4-butanediol and poly(tetramethylene ether)glycol and (b) conventional epoxy resins.
Patent GB-1286054-A (GB)
Title: Foam control systems
IPC: C09K23/16
Filed: 1971-05-14
Abstract: 1286054 Controlled foam detergents COLGATE PALMOLIVE CO 14 May 1971 [28 May 1970 (6)] 14897/71 Heading C5D A foam-controlling agent for addition to a detergent composition comprises (a) a fatty acid or a water-soluble soap thereof and (b) a fatty amine, a fatty amide, an oxazoline of formula where R is C 15-21  alkyl and/or an oxyethylenated quaternary ammonium compound. The composition may also include a polyoxyethylenated C 12-20  linear alcohol. In addition to the foam controlling agent, the detergent composition may include an anionic detergent, builders, brighteners, hydrotropes, germicides, soil suspending agents, anti-redeposition agents, antioxidants, bleaches, colouring matter, perfumes, water-soluble alcohols, non-detergent alkali metal benzene sulphonates, fabric softeners and enzymes. The following compounds are specified in the examples: fatty acids and soaps: hydrogenated fish oil fatty acid, docosanoic acid, stearic acid, lauric acid, 12-hydroxy-stearic acid, decanoic acid, dodecanoic acid, sodium soap of tallow fatty acids, sodium soap of coconut oil fatty acids, behenic acid, sodium stearate, palmitic acid, myristic acid, oleic acid, eicosanoic acid, sodium docosanoate; fatty amines: methyl di-hydrogenated tallow amine, dihydrogenated tallow amine, bis-arachidyl behenyl amine, bis-arachidyl amine, bis-stearylamine, tris-stearyl amine; oxazolines: 2-heptadecyl-4,4-dimethyl-2-oxazoline; oxyethylenated ammonium compounds: polyoxyethylenated stearyl methyl ammonium chloride, polyoxyethylenated dicoco methyl ammonium methyl sulphate; anionic detergents: sodium n-tridecyl benzene sulphonate, sodium dodecyl benzene sulphonate; builders: sodium tripolyphosphate, sodium silicate, sodium sulphate, sodium hydroxide, trisodium nitrilo acetate; anti-redeposition agents: sodium carboxymethyl cellulose; bleaches: sodium perborate tetrahydrate. The composition may also include a polyvinyl alcohol.
Patent GB-1179454-A (GB)
Title: Treatment of Metal Casting Moulds
Inventor: PYPER MALCOLM ESPLIN
IPC: B22C23/02
Filed: 1967-03-31
Abstract: 1,179,454. Coating ingot moulds. FOSECO INTERNATIONAL Ltd. 14 March, 1968 [31 March, 1967], No. 14937/67. Heading C3N. A method for modifying or repairing cracks, fissures, and eroded areas of the interior of ingot mould walls and stool plates comprises applying to the interior, below the normal level of the molten metal, a paste-like or putty-like composition comprising a cold setting resin or drying-oil binder and at least one particulate refractory material selected from sand, SiO 2 , olivine, ZrSiO 4 , ZrO 2 , MgO, Al 2 O 3 , chamotte, SiC, and chromite flour. At least 70% of the refractory material preferably passes a 44 B.S.S. mesh. The binder may be catalyst-activated furane, urea-formaldehyde, or phenol-formaldehyde resin; a linseed oil, with or without esterified tall oil and metal naphthenate hardener. Additionally aqueous sodium silicate, colloidal silica sol, or aqueous acid-stabilized aluminium orthophosphate may be present. Other additives include ball clay, sodium perborate, and methyl diisocyanate.
Patent GB-860498-A (GB)
Title: New alkoxy trioxanes, processes for their production, their use in froth flotation processes and materials treated therewith
IPC: C07D323/04
Filed: 1959-05-01
Abstract: The invention comprises trioxanes of the general formula <FORM:0860498/IV (b)/1> wherein the R3 represent C1-3 straight chain alkyl groups each containing a C1-3 alkoxy substituent therein and their manufacture by polymerizing one or more alkoxy aldehydes of the general formula R-O-R1-CHO wherein R is a C1-3 alkyl group and R1 a straight chain C1-3 alkyl group; in the presence of a catalytic quantity of a halogen.  The compounds may be used in froth flotation (see Group II).  In an example, substantially dry beta-methoxy-butyraldehyde (200 mls.) is treated with iodine (0,1 gm.) and subsequently distilled to recover the resulting 2 : 4 : 6-tris-(21-methoxy propyl)-1 : 3 : 5-trioxane.  Methoxy acetaldehyde, ethoxy acetaldehyde, beta-methoxy propionaldehyde, beta-ethoxy butyraldehyde, beta-n-propoxy butyraldehyde and a mixture of beta-methoxy butyraldehyde and beta-ethoxy butyraldehyde (2 : 1 by weight) are similarly polymerized to the corresponding trioxanes. Infra-red spectra for these compounds are given.ALSO:Minerals are subjected to a froth flotation process wherein there is used a compound of the general formula:  <FORM:0860498/II/1> R1, R2 and R3 representing C1-3 straight chain alkyl groups each containing a C1-3 alkoxy substituent, as an accelerator in conjunction with a promotor and, if desired, a frother.  Specified accelerators are those in which all the Rs represent 2-methoxy propyl, 2-ethoxy propyl, 2-propoxy propyl, methoxy methyl, methoxy ethyl or ethoxy methyl or R1 and R2 represent 2-methoxy propyl and R3 is 2-ethoxy propyl. Suitable promotors are Aerofloats 25 and 208, potassium ethyl and amyl xanthates and sodium sec-butyl xanthate.  Specified frothers are triethoxy butane alone or in conjunction with pine oil or triethoxyhexane.  Examples describe the process applied to the treatment of a copper-zinc-pyrite ore, a gold-bearing arseno pyrites, a Barberton pyrite ore and a pyrites-gold bearing residue from a cyanidation process.
Patent GB-528311-A (GB)
Title: Improvements in glands for junction boxes for electric cables
IPC: H02G15/007
Filed: 1939-05-19
Abstract: 528,311. Junction boxes. LIVERPOOL ELECTRIC CABLE CO., Ltd., and MILNER, R. F. D. May 19, 1939, No. 15011. [Class 38 (i)] A junction box for armoured cables has the part a<1> around the cable inlet d tapered to form a surface against which the armour wires e<2> are clamped by a ring f secured by bolts g. A tapered sleeve may be inserted between the wires e<2>. In order to accommodate cables of different diameters, the cable inlet d is formed with a groove d<1> into which interchangeable split collars h may be set.
Patent GB-484639-A (GB)
Title: Improvements in valves and valve gear for piston engines or machines
IPC: F01L7/08
Filed: 1937-05-31
Abstract: 484,639. Engine valve gear. REICHSFELD, P. May 31, 1937, No. 15130. Convention date, June 9, 1936. [Classes 122 (ii) and 122 (iii)] [Also in Groups XXVII and XXVIII] In piston engines or machines, more particularly piston compressors, the cylinder end is formed as a disc-shaped rotary valve which is rotated continuously inside a cap 2 by the crank shaft, separate control inlet and outlet openings, which may be of different lengths, being provided in the cylinder end and cap and being located at different radial distances from the axis of rotation of the cylinder end. As shown the whole cylinder 1 is rotated by bevel gearing 5, 6. The cap 2 has inlet and outlet openings 7, 8, respectively, which register with openings 9, 10, in the cylinder end. The openings 7, 8, may be provided with adjustable shutters to control the effective lengths of the openings.
Patent GB-541398-A (GB)
Title: Apparatus for playing a board game
IPC: A63F9/02
Filed: 1940-10-11
Abstract: 541,398. Ball games. HILL, R. Oct. 11, 1940, No. 15151. [Class 132 (ii)] Apparatus for playing a ball-bouncing game comprises a board with an upstanding border A rising at one end to keep the balls in play, a wooden block C on which the balls may be bounced and a number of upstanding cups B into which the players endeavours to bounce the balls.
Patent GB-1159212-A (GB)
Title: Polyurethane Materials
IPC: C08G18/66
Filed: 1967-04-03
Abstract: 1,159,212. Glass cloth laminates; moulding reinforced articles. ALLIED CHEMICAL CORP. 3 April, 1967 [13 July, 1966], No. 15199/67. Headings B5A and B5N. [Also in Divisions C3 and F2] Glass cloth laminates are produced by charging to a cavity of a matched metal die mould a polyurethane formed by admixing a polyether prepared by propoxylating a glycerol/sucrose mixture, glycerol, an uncured epoxy resin and tolylene diisocyanate, placing 12 plies of glass cloth discs into the cavity, followed by additional polyurethane, placing the male part of the mould in the cavity and curing the laminate under pressure and elevated temperature. The laminate is then demoulded and postcured at elevated temperature in a circulating air oven. Filament wound structures are produced from a similar polyurethane which is used to fill the resin bath of a filament winding machine. Glass roving is fed through the resin bath and wound on to a mandrel. After completion of the winding the madrel is removed from the winding machine and transferred to a press where the wound structure is cured under pressure at elevated temperature.
Patent GB-529132-A (GB)
Title: Improvements in or relating to phase displacing circuit arrangements
IPC: H03H7/18
Filed: 1939-05-22
Abstract: 529,132. Impedance networks; valve-amplifying circuits. SOC. FRANCAISE RADIO-ELECTRIQUE. May 22, 1939, No. 15222. Convention date, May 23, 1938. [Classes 40 (iii) and 40 (v)'] A phase advancing circuit comprises a network terminated at its output end by a negative resistance. As shown in Fig. 2, an alternating source 1 is applied to the diagonals of a bridge 3 which is terminated by a negative resistance 5 over transformer 4. A resistance 2 is employed to prevent instability. The negative resistance 5 preferably comprises two suitably biased valves in push-pull. The bridge 3 may be replaced by the network of Fig. 4. A further modification of the bridge is shown in Fig. 6. The circuit may be used in the feed-back channel of a negative feed-back amplifier to compensate for phase delay introduced by the amplifier.
Patent GB-128574-A (GB)
Title: A Certain New and Useful Wall Construction for Large Liquid Storage Tanks or Reservoirs, and to Liquid Storage Retaining Walls in General.
Inventor: HENRY BOLTON POST
IPC: B65D90/02
Filed: 1919-06-18
Abstract: 128,574. Post, H. B. May 13, 1916, [Convention date]. Void [Published under Sect. 91 of the Act]. Walls.-The walls of tanks or reservoirs and liquid storage retaining walls in general comprise metal units 2, Fig. 1, each of which is a section of a frustum of a cone, the smaller radiu.s of the frustum being at the bottom of the wall, and the wall is supported externally bv trusses 5, Fig. 3.