baber/WOPTO huggingface dataset:
Patent GB-751637-A (GB)
Title: Method of preparing dyeable copolymers
IPC: C08F20/08
Filed: 1954-03-02
Abstract: Copolymers of acrylonitrile with a vinyl monomer containing a basic amino group are made by continuously adding at the reflux temperature from 30-98 per cent by weight of the vinyl monomer, and 2 to 70 per cent of acrylonitrile to an aqueous medium containing a water-soluble peroxy catalyst, a water-soluble salt of an aromatic sulphonic acid, including aldehyde condensed alkyl substituted aryl sulphonic acids, and an alkali metal salt of a fatty acid.  The aqueous medium preferably contains a buffering agent such as sodium bicarbonate. The monomers may be added in a premixed stream, or in separate streams, and the catalyst may be added portionwise.  Basic monomers mentioned are 2-vinyl-, 4-vinyl-, 3-vinyl-, 5-ethyl - 2 - vinyl -, 4,6 - dimethyl - 2 - vinyl-, 4 - ethyl - 2 - vinyl -, 2 - methyl - 5 - vinyl -, 6 - methyl - 2 - vinyl - pyridine, dimethylaminoethyl methacrylate, 2-vinyl- and 4-vinyl-quinoline.  The sulphonic acid salt may be the sodium or potassium salt of a formaldehyde condensed mononaphthalene sulphonic acid or the sodium or potassium salt of a formaldehyde condensed alkylaryl sulphonic acid.  The fatty acid salt may be sodium oleate, potassium oleate and common soaps obtained from the saponification of animal and vegetable oils. Catalysts mentioned are sodium peroxide, hydrogen peroxide, potassium persulphate, sodium percarbonate, sodium perborate, and the ammonium salts of these peroxy compounds.  The polymers alone or admixed with other acrylonitrile copolymers are dyeable. Specification 676,580, [Group IV (c)], is referred to.
Patent GB-893214-A (GB)
Title: Improvements in zirconium alloys
Inventor: RAINE THOMAS
IPC: C22C16/00
Filed: 1960-02-22
Abstract: An alloy resistant to oxidation at high temperatures has the following percentage composition, by weight: .Cu.0,15 - 5 .Fe.not more than 0, Zr and impurities the remainder  To keep the Fe content low, the alloy is made using sponge Zr selected from the crust in the retort in which the sponge is made. Other impurities may include Al up to 75 p.p.m., Ti up to 100 p.p.m. and O up to 1200 p.p.m.  The alloy is particularly suitable for structural use in pressurised-water or boiling-water nuclear reactors.
Patent GB-554457-A (GB)
Title: Improvements in metal cutting tools, reamers, counterbores and the like, having interchangeable cutters and pilots
IPC: B23B51/10
Filed: 1942-05-08
Abstract: 554,457. Reamers; counterboring bits &c. PRICE, F. P. May 8, 1942, No. 6205. [Class 83 (iii)] Reamers, counterboring and spotfacing tools &c. have interchangeable cutters and pilots arranged for easy assembly on the shank that is formed on its end with a driving dog F to engage a cross groove on the cutter B, and is bored to take the shank of the pilot C and provided with a cross slot G to receive a shearing pin E passing through a hole in the pilot shank and engaged by a counterbore in a nut D threaded on the shank. The pilot, when possible, is of larger diameter than its shank so that the nut D and pin E draw the parts rigidly against the end of the shank. if the pilot seizes in the hole the pin E shears and prevents damage to the tool. When the pilot must be the same diameter as its shank the cutter is secured thereto by a grub screw.
Patent GB-129395-A (GB)
Title: Improvements in or relating to Apparatus for Burning Pulverised Fuel more particularly applicable for use in connection with Locomotive Boilers.
Inventor: MELLERSH-JACKSON WILLIAM JOHN
IPC: F23C99/00
Filed: 1918-04-15
Abstract: 129,395. Jackson, W. J. Mellersh-, (Fuel Saving Co.). April 15, 1918. Pulverulent-fuel furnaces; fuel, feeding; ashes removing.-An apparatus for feeding pulverulent fuel to locomotive fire-boxes. and for burning it therein, comprises, on the tender, Fig. 2, a hopper 10 with a bottom 11 preferably sloping downwards from the sides to the centre and from the rear towards the engine, and, on the locomotive, a burner tube 30, Fig. 6, for mixing the fuel and air and supplying it to a water-cooled burner head or nozzle 38. The fuel in the hopper is kept fluid by air from a perforated pipe 12, and moves down, past sliding doors 16, 17, Fig. 6, to a screw 19, 25, which feeds it through a nozzle 29 and hopper 31 to the burner tube 30 on the locomotive, the parts 30, 31 being movable relatively to the parts 29, 32, &c. A blast of compressed air from the fan 33 and pipe 32 entrains a supply of air past the regulator 37, and a low-velocity mixture of fuel and air passes to the nozzle 38. A lip 39 directs it downwards into the combustion chamber, where it is ignited. The combustion products rise under the arch 49, passing the water-tubes 50, which support it, and thence to the boiler tubes 57. At the bottom of the combustion chamber is a pivoted ashdoor 52 operated by levers &c. 54, 55. The ash is blown away by the motion of the locomotive; to facilitate this, an air-inlet door 56, just above the ash-door, is opened by means of levers &c. 57, 58. The brickwork walls of the fire-box are supported by the. mudrings 59 forming the lower end of the fire-box. and slope downwards and inwards, as shown. The water in the jacket 40 of the nozzle 39, Fig. 6, is circulated by an electrically-driven pump.
Patent GB-831995-A (GB)
Title: Improvements in or relating to coating compositions and to coated films
IPC: C09D127/08
Filed: 1957-02-26
Abstract: Aqueous dispersions comprise in the disperse phase 5 to 60% by weight of a copolymer of vinylidene chloride with at least one copolymerizable mono-olefinic monomer, and in solution 10 to 30% by weight of the dispersion of a polyhydric alcohol or polyglycol. Specified polyhydric compounds are ethylene glycol, propylene glycol, glycerol, 1,2,6-hexane-triol, sorbitol, 1,2,4-butanetriol, diethylene glycol, triethylene glycol and polyethylene glycols of molecular weight 200 and 400.  The comonomer may be of the form <FORM:0831995/IV (a)/1> where R is hydrogen, halogen or a saturated aliphatic radical and X is -Cl, -Br, -F, -CN, -C6H5, -COOH, -COOR1, -COR1, -COH, -OC6H5, -CONH2, -CONHR1 or -CON(R1)2, where R1 is an alkyl group.  Specified comonomers are methyl, ethyl, butyl, isobutyl, octyl, 2-ethylhexyl, phenyl, cyclohexyl, p-cyclohexylphenyl, methoxyethyl, chlorethyl and 2-nitro-2-methylpropyl acrylates and methacrylates; acrylic acid; methacrylic acid; methyl and octyl a -chloracrylates; acrylonitrile; methacrylonitrile; acrylamide, methacrylamide and mono-alkyl substitution products thereof; vinyl acetate, propionate and chloracetate; iso-propenyl acetate; methyl vinyl ketone; phenyl vinyl ketone; methyl isopropenyl ketone; ethyl vinyl ether; allyl glycidyl ether; styrene; vinyl naphthalene; maleic anhydride, itaconic acid; diethyl fumarate; diethyl maleate; dimethyl, diethyl and dibutyl itaconates; methylene diethyl malonate; vinyl chloride; vinyl bromide; dichlorovinylidene fluoride; vinyl pyridine; N-vinyl phthalimide; N-vinyl succinimide and N-vinyl carbazole.  The copolymers may be prepared in aqueous media in the presence of catalysts, e.g. ammonium persulphate with sodium metabisulphite, and emulsifiers, e.g. sodium lauryl sulphate and sulphated methyl oleate, and the polymer dispersion stabilized by adding condensation products of sodium b -naphthalene sulphonate and formaldehyde.  The compositions may be used to coat hydrophilic films, e.g. of regenerated cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, polyvinyl alcohol, partially hydrolysed ethylene-vinyl acetate copolymers and paper, to provide moisture resistance and heat-sealability.  Examples describe the copolymerization of vinylidene chloride with (I) methyl acrylate, acrylonitrile and itaconic acid, (II) butyl methacrylate and itaconic acid, (III) vinyl chloride and itaconic acid, and (IV) methacrylonitrile and itaconic acid.  Specifications 655,732 and 755,551 are referred to.
Patent GB-1400950-A (GB)
Title: Disazo pigmentss and process for their manufacture
IPC: C08K5/22
Filed: 1973-02-09
Abstract: 1400950 Colouring PVC CIBA-GEIGY AG 9 Feb 1973 [11 Feb 1972] 6489/73 Heading C3P [Also in Division C4] Polyvinyl chloride (PVC) is coloured in orange, red and brown shades by incorporating therein a disazo pigment of formula wherein R 1  is a phenylene radical, R 2  is a naphthylene radical in which the -N=N-, -OH and -CONH- groups are in the 1,2,3- positions, R 3  is an alkyl or aryl radical, n is 1 or 2 and R 5  is (a) an aromatic radical if n is 2 or the group -COR 3  is in o- or p-position to -N=N- or (b) an aromatic radical other than a diphenyl radical if n is 1 and the -COR 3  group is in m-position to -N=N-. In example PVC is rolled with dioctyl phthalate and a pigment to give a red sheet.
Patent GB-197772-A (GB)
Title: Improvements in or appertaining to locks for safes
IPC: E05B65/00
Filed: 1922-03-06
Abstract: 197,772. Chatwood Safe Co., Ltd., and Bruckshaw, H. S. March 6, 1922. Locks, preventing destruction of.-In locks for safes &c. having a blocking-piece for engaging the tail of the bolt to prevent withdrawal when the lock-mechanism is destroyed, the blocking- piece is capable of moving further towards the bolt when the lock is destroyed and is retained in operative engagement by an automatic catch. The blocking-piece c is of L-shape and is moved into and out of engagement with a shoulder S on the locking bolt b by means of the key-operated tumbler mechanism a acting through a part d the head of which engages in a recess in the piece c. If the lock mechanism a is blown away by explosive or eaten away by acid, the blocking-pieces c moves further towards the bolt b until the spring plunger h snaps into the hole i in it, holding the blocking-piece in its operative of the bolts. Specification 179,970, is referred to.
Patent GB-945960-A (GB)
Title: Removal of sulphur compounds from liquors containing calcium chloride
Inventor: COLLICUTT ANTHONY ROBERT
IPC: C01D7/18
Filed: 1961-02-22
Abstract: Calcium chloride containing liquors obtained by adding hydrated lime from acetylene production to the distillation section of an ammoniasoda process are freed from sulphides and thiosulphates by adding excess ferrous sulphates to the distillation section, withdrawing the liquor, filtering off the iron sulphide precipitate, passing carbon dioxide into the liquors to give a pH of 5-7 and aerating the liquors in the presence of a catalyst to oxidize thiosulphate to sulphate.  Catalysts may be organic, e.g. hydroquinone, or inorganic, such as soluble salts of copper, nickel, iron, cobalt, manganese and chromium as 1-10 parts per million, the oxidation being carried out at 50-95 DEG  C.
Patent GB-1130552-A (GB)
Title: Improvements in and relating to the production of cellulose acetate
Inventor: SLOTA LUCJAN STANISLAW
IPC: C08B3/26
Filed: 1965-02-16
Abstract: 1,130,552. Isolating cellulose acetate from acetylation liquor. COURTAULDS Ltd. 15 Feb., 1966 [16 Feb., 1965], No. 6589/65. Heading C3A. Cellulose acetate is separated from a solution of cellulose acetate in acetylation liquor by feeding the solution on to a solid surface to form a thin layer on the surface, heating the surface to evaporate off the solvent from the layer of solution, whereby a residue of cellulose acetate is left on the surface, and then removing the cellulose acetate from the surface, e.g. by scraping it from the surface. The surface may be continuously moved past the solution feed and may be the peripheral surface of a revolving drum which may be heated by passing steam through it or the moving surface may be a moving endless belt. The evaporation step may be effected at subatmospheric pressure. The apparatus used may comprise a pair of adjacent parallel drums forming a nip into which the solution is fed, solid cellulose acetate being scraped from each drum on the other side of the nip. In the example, a solution containing 20% by weight of cellulose di-acetate and consisting of the ester dissolved in an acetylation liquor comprising a small proportion of water in about equal quantities of acetic acid and methylene chloride is spread as a layer on a steam heated drum revolving at about 2 R.P.M. and enclosed in a chamber maintained at a pressure of about 150 mm. of mercury. The volatile constituents of the liquor are evaporated from the surface of the drum which is maintained at a temperature of about 130‹ C., and are subsequently separated in fractionating columns. The cellulose acetate is scraped from the drum surface and shredded before being passed into water which both washes the cellulose acetate and provides a pressure seal for the apparatus.
Patent GB-1242532-A (GB)
Title: Improvements in or relating to differential gear assemblies
Inventor: SUTHERLAND NORMAN DONALD
IPC: F16H57/12
Filed: 1967-06-20
Abstract: 1,242,532. Differential gearing. SMITHS INDUSTRIES Ltd. 13 Sept., 1968 [20 June, 1967], No. 6647/71. Divided out of 1,242,531. Headings F2D and F2Q. The subject matter of this Specification is identical with that in Specification 1,242,531, and in addition describes a leaf spring (33), Fig. 4 (not shown) which displaces member 24 with respect to member 23.
Patent GB-572403-A (GB)
Title: Improvements in prepayment meter mechanism
IPC: G07F5/22
Filed: 1943-04-29
Abstract: 572,403. Prepayment mechanism for meters. ENGLISH ELECTRIC CO., Ltd., TAGG, G. F., and WHITEHEAD, R. K. April 29, 1943, No. 6662/45. Divided out of 572,389. [Class 27] Semi-automatic prepayment mechanism includes electromagnetic actuating means adapted to drive the mechanism to perform at least the crediting operation in response to the closure of a switch by a hand operation separate from the insertion of the coin. In the construction shown, a push-button 52 rocks a member 50 carrying normally-open switch contacts 54, 55 and a feeler 56 projecting through a, slot into a coin pocket 1. If there is a coin in the pocket, the feeler and the contact 54 will be arrested so. that the springy contacts 54, 55 will yield and meet to close the circuit of a motor 49 driving a shaft 4 which sets the crediting mechanism of the meter. Initial rotation of the shaft 4 causes a cam 57 to close a switch 58, 59 to hold the motor circuit closed after the push-button is released. When the shaft has made a complete revolution, the cam 57 opens the switch 58, 59 and the motor stops. The shaft 4 effects at least the crediting operation of the meter, preferably as described in Specification 572,389 and may also slide the coin pocket 1 to gauge the size of the inserted coin and (1) govern the gear ratio of the crediting mechanism accordingly, or (2) prevent operation of the shaft 4 if a coin of wrong size is inserted. The push-button 52 may slide the coin pocket before closing the motor switch 54, 55, and the shaft 4 may either rotate repeatedly in the same direction or may be returned by a spring to its starting position when the motor has been switched off.
Patent GB-1088498-A (GB)
Title: Germicidal compositions containing amides of sulphur-containing phenol carboxylic acids
Inventor: STECKER HERBERT CHRISTIAN
IPC: C11D1/00
Filed: 1965-02-16
Abstract: Germicidal detergent compositions comprise a soap or detergent and a sulphur-containing compound of the general formula <FORM:1088498/C4-C5/1> where R is a phenyl or naphthyl radical, A is an oxygen or sulphur atom, X is a fluorine, chlorine, bromine or iodine atom, a is 0 to 2 and b is 0 to 3.  Detergents mentioned include cationic detergents (e.g. dimethyl stearamidopropyl - 2 - hydroxyammonium dihydrogen phosphate), anionic detergents, ampholytic detergents (e.g. sarcosine), non-ionic detergents (e.g. polyoxypropylene polyoxyethylene condensates) and natural detergents (e.g. starches and vegetable gums).ALSO:Germicidal compositions comprise a sulphur-containing compound of the general formula: <FORM:1088498/A5-A6/1> wherein R is a phenyl or naphthyl radical, A is an oxygen or sulphur atom, X is a fluorine, chlorine, bromine or iodine atom, a is 0 to 2 and b is 0 to 3 and a carrier chosen from soaps, detergents (including natural detergents such as starches and vegetable gums), plastics, rubber and fibrous compounds or materials (e.g. cotton gauze, dressings, textiles or paper pulp).
Patent GB-235321-A (GB)
Title: Manufacture of hollow rubber articles
IPC: B29D22/00
Filed: 1924-03-15
Abstract: 235,321. Goldstein, J. March 15, 1924. Moulding india - rubber hollow-ware and balls.- Hollow rubber articles such as balls, hot-water bottles, inner tubes, are made by cutting two sheets of rubber containing between them a gas-producing substance, to a size larger than the mould, forcing them into the mould, preferably turning the mould until the sheets are in a substantially vertical plane, and heating to distend the article and vulcanize it. Two sheets of rubber composition having a mixture of 80 per cent ammonia, 10 per cent acetone, and 10 per cent aniline, spread between them are cut out to a size about 12-15 per cent greater than the diameter of the mould a in such a way that a bevelled edge is produced. The cutting causes the sheets to adhere at the edges. The blank is forced into the mould a, the other half b is applied and clamped, the mould is turned into the position shown, and heated.
Patent GB-818516-A (GB)
Title: Improvements in or relating to the stretching of polymeric material comprising or consisting of polymers or copolymers of ethylenically unsaturated hydrocarbons
IPC: D01F6/04
Filed: 1958-03-03
Abstract: A polymeric (or copolymeric) material obtained by polymerizing an ethylenically unsaturated hydrocarbon is stretched at a temperature within the melting range of the polymer in the presence of a solvent having a "solubility parameter" (as defined in "Modern Plastics," Vol. 33, pp. 121-130) of 5-8 at the stretching temperature. Specified ethylenically unsaturated hydrocarbons are ethylene, propylene, styrene, a butylene and butadiene, Preferred solvents are one or more compounds of the general formula R1X, where X is hydrogen, hydroxy, -OR2 or <FORM:0818516/IV (a)/1> where R1, R2 and R3 are the same or different hydrocarbon radicals which may or may not contain halogen substituents, e.g. white spirit (aromatic free), butyl acetate, di-n-butyl ether, octane and isoamyl acetate.  The polymer to be stretched remains in contact with the solvent for such a short period that only partial dissolution is possible.  Stretching may be carried out between 100 DEG  and 150 DEG  C. and may result in a longitudinal elongation of 500-1500 per cent.  An example is given.
Patent GB-181079-A (GB)
Title: An improved gas regulator for use with incandescent gas burners
IPC: F23D14/48
Filed: 1921-03-01
Abstract: 181,079. Hinks, T. March 1, 1921. No Patent granted (Sealing fee not paid). Rotary disc valves.- A gas. nipple regulator comprises two hollow members rotatably connected by flanging over an edge of one member over a shoulder cn the other member. The inner member 1 which has knurled flange 4 is formed with a diaphragm 7 having two diametrically opposed orifices 8 adapted to rotate in contact with a diaphragm 10 having similar holes 16. The diaphragm 10 is mounted in the outer member 9 having a knurled exterior and connected to the part 1 by a pressed-over part 18. The lower member has a central outlet orifice 12 passing through an internal conical projection 19 adapted to form a dirt trap 20. Specifications 24317/96, 14976/04, 21635/06, 9317/07, [Class 75, Lamps &c.], and 153,652 are referred to.
Patent GB-525922-A (GB)
Title: Improvements in circular weaving looms
IPC: D03D37/00
Filed: 1939-03-03
Abstract: 525,922. Circular looms. SAINT-FRERES SOC. ANON., and ETABLISSEMENTS ROTATISS. March 3, 1939, No. 6974. Convention date, March 15, 1938. [Class 142 (ii)] The warp beams of a circular loom are arranged at a lower level than the horizontal plane above and below which the warps are shed, and the fabric descends through the central vertical tube 5. Each shuttle is pushed through the shed by a roller 9 carried by a ring 13 rotating round the loom axis. This roller engages another roller carried by the shuttle and is positively driven by bevel and spur gearing 11 from the fixed centre tube 5. The Specification as open to inspection under Sect. 91 states that the ring 13 carries a cam or cams 21 for operating the beat-up levers &c. 23 which are either separate levers or arranged in bunches. Specification 525,946 is referred to. This subjectmatter does not appear in the Specification as accepted.
Patent GB-162613-A (GB)
Title: Improvements in or relating to date indicators
IPC: G09D3/08
Filed: 1918-12-16
Abstract: 162,613. Lely, G. P. Dec. 16, 1918. Date indicators.-A daily-changed date indicator comprises a support 1 having a plurality of openings 2, 3 on the face thereof, a dial 5 mounted on a pivot pin 6 supported by the casing, bearing day of the month indications 1-31 and day of the week indications 4 arranged concentrically, so that seven week-day indications are visible at one tim,e through the opening 3 and one month-day indication through the opening 2. An adjustable pointer 8 indicates the day of the week corresponding to the number appearing in the opening 2, the dial 5 being rotated once per day, the pointer 8 remaining stationary during this operation for the whole month but being adjusted at the beginning of the month. The indicator may also carry an independently-operated month indicator 11 or 12, and the pointer 8 may be replaced by a sliding pointer 9.
Patent GB-778607-A (GB)
Title: Improvements in or relating to locking devices for the nuts of adapter sleeves for rolling bearings
IPC: F16C35/073
Filed: 1956-03-06
Abstract: 778,607. Locking nuts. AKTIEBOLAGET SVENSKA KULLAGERFABRIKEN. March 6, 1956 [March 10, 1955], No. 7031/56. Class 89 (1). [Also in Group XXIV] A nut 7, Fig. 2, engaging a screwed part 6 of a sleeve 4, which secures e.g. a ball-race 2 to a shaft 1, is locked by a washer 8, Fig. 4, having a number of tabs 11 on its outer periphery and two opposed tongues 9 on its inner periphery. The sleeve is tapered, and part 6 is of larger diameter than the adjacent smaller end of the sleeve, which sleeve has a longitudinal slot 10 and an opposed slot 101 to receive the tongues 9. The distance between the ends 15 of the tongues is less than the smaller diameter of the sleeve but at least as large as the diameter of the shaft, whereby the washer is centred on the shaft.