baber/WOPTO huggingface dataset:
Patent GB-1364055-A (GB)
Title: Pick offs
IPC: H01C10/32
Filed: 1972-07-03
Abstract: 1364055 Variable resistors BRITISH AIRCRAFT CORP Ltd 3 July 1972 [4 June 1971] 18964/71 Heading H1S [Also in Divisions G1 and H2] A potentiometer in which the output bears a sinusoidal relationship to the angular movement of the wiper contact arm 7 comprises an annular resistive film 1 connectible at diametrically opposite points to a voltage source 5 (which may be an A.C. source, the output being taken from the wiper and the mid-potential point 10 of the voltage source). To ensure symmetry diametrically opposed terminal points 11, 12 may be connected to mid-potential point 10 and to earth. In another embodiment (Fig. 2, not shown) two wipers and two voltage sources are provided. The wiper(s) may contact conductive areas arranged along and connected to the inner edge of the resistive film. The resistive film may be of carbon loaded plastic material, of cermet or of printed and fired resistor ink. The conductive areas and the connection points, e.g. 3, 4, may be made from powdered silver or gold suspended in a varnish.
Patent GB-350255-A (GB)
Title: Improved means for the protection of contact banks on automatic telephone or like selective switches
IPC: H04Q1/20
Filed: 1930-06-23
Abstract: 350,255. Automatic exchange switches. COVENTRY AUTOMATIC TELEPHONES, Ltd. and PUCKETTE, C. C., of General Electric Co., Stoke, Coventry. June 23, 1930, No. 19061. [Class 40 (iv).] A selector switch, when not in use, has its contact bank protected by a plate 6 conforming to the shape of the bank and sprung into notches 5 in the endplates 2. The corners of the protector may be cut away at 7, Fig. 3.
Patent GB-1489356-A (GB)
Title: Production of bis-(alkyl-substituted morpholino-n-alkyl)ethers
IPC: C07D295/088
Filed: 1976-05-19
Abstract: 1489356 Bis - (alkyl - substituted morpholino-N-alkyl) ethers TEXACO DEVELOPMENT CORP 19 May 1976 [2 June 1975] 19065/76 Heading C2C A process for the production of a bis-(alkylsubstituted morpholino-N-alkyl) ether comprises contacting an N-(hydroxyalkyl) morpholine derivative of the formula wherein R is (C 2 -C 10 ) alkylene, R<SP>1</SP> is alkyl and n is 0 to 4, with silica-alumina or a phosphoruscontaining substance as catalyst at a temperature of from 200 to 300 C., under a pressure sufficient to maintain the reactants and products in the liquid phase. The starting N-(hydroxyalkyl) morpholine may be prepared by contacting the corresponding N-(substituted) diethanolamine under similar conditions to the above at a temperature of from 190 to 260 C.
Patent GB-465236-A (GB)
Title: Improvements in pneumatically actuated fuel injection pumps for internal combustion engines
IPC: F02M59/10
Filed: 1936-07-10
Abstract: 465,236. Fuel - injection pumps. ARCHAOULOFF, V. July 10, 1936, No. 19229. Convention date, July 22, 1935. [Class 102 (i)] [Also in Group XXVI] A fuel-injection pump comprises a plunger 3 operating in a cylinder provided with a suction valve 9 and suction pipe 8, supplied by a feed pump, and also a delivery pipe 10. A number of Belleville washers 15 are adapted to form a bellows 6 which is attached at one end to the plunger 3 and at the other end to the casing 1 and acted upon by the pressure in the engine cylinder through a connection 2. The contacting edges of the washers 15 are ground so that a fluid tight j joint is formed on the inner edges 16 may be soldered. The washers may have undulations as shown in Fig. 3.
Patent GB-1423910-A (GB)
Title: Process for the production of doloma and doloma produced by  this process
IPC: C04B35/03
Filed: 1973-04-24
Abstract: 1423910 Production of doloma refractories SOC BELGE DES PRODUITS REFRACTAIRES 24 April 1973 [25 April 1972] 19324/73 Heading C1A The production of doloma refractories comprises decarbonating dolomitic rock by calcination at 1100-1200‹ C., cooling in a dry medium, partially hydrating the cooled rock, e.g. by addition of a limited amount of water, and interrupting the hydration process by abruptly lowering, at least to room temperature, the temperature of the powder in order to maintain part of the magnesium in the oxide state. The partially hydrated product is then sintered. Preferably water amounting to 4-65% by weight of the oxide is used for the partial hydration and the temperature of the powder is lowered when it is between 50‹ and 100‹ C. in order to maintain in the oxide state at least 60% of the total magnesium. The lowering of the powder temperature to arrest hydration should be carried out preferably within a few minutes of hydration.
Patent GB-1077529-A (GB)
Title: Process for the production of thiazoles
Inventor: COLEBOURNE NEVILLE
IPC: C07D277/38
Filed: 1965-05-07
Abstract: Thiazole or substituted derivatives thereof are obtained by heating sulphur in the gas phase with a nitrogenous organic compound containing an appropriate number and arrangements of carbon, nitrogen and hydrogen atoms whereby the nitrogenous compound is dehydrogenated and cyclized with the incorporation of sulphur into the ring to form thiazole or a substituted derivative thereof.  The process is preferably effected at 200-1000 DEG  C. in an inert atmosphere and the starting materials are suitably entrained in nitrogen and passed in the gaseous phase into the reaction zone.  The nitrogenous organic compound may be formed in situ from simpler precursors, e.g. from a primary amine and an aldehyde.  Examples are given in which thiazole, and 2-, 4- and 5-methyl thiazoles are prepared, and in which acetonitrile, propionitrile and butyro nitrile are obtained as by-products.
Patent GB-809286-A (GB)
Title: Basically substituted butyric acid anilides and process for their manufacture
IPC: C07C237/00
Filed: 1955-07-05
Abstract: The invention comprises compounds of the general formula <FORM:0809286/IV (b)/1> in which R1 is hydrogen or an alkyl or alkoxy group of 1-4 carbon atoms, and is preferably a para-alkoxy group of 1 to 3 carbon atoms, and R2 is hydrogen or an alkyl group, and acid addition salts of these compounds.  The compounds are made by reacting an acetoacetic acid anilide with ammonia or a primary alkylamine and a reducing agent and if desired subjecting the product to alkylation.  Suitable acetoacetic acid anilides include the acetoacetyl derivatives of p-anisidine, p-phenetidine, p-toluidine and p-ethyl aniline, and the corresponding o- and m-derivatives. Suitable amines include methylamine, ethylamine, isopropylamine, butylamine and isobutylamine.  The reaction may be carried out in a single stage or in two stages with isolation of the intermediate aminocrotonic acid anilide.  The reduction is suitably effected by nascent hydrogen, aluminium or sodium amalgam in alcohol, lithium aluminium hydride, sodium boron hydride, electrolytic reduction or catalytic hydrogenation, preferably in solution in a solvent such as methanol or ethanol. The basic anilides may be converted into their salts with for example formic, acetic, malonic, maleic, succinic, lactic, malic, tartaric, citric, hydroxyethane sulphonic, aceturic, 1-phenyl-2 : 3 - dimethyl - pyrazolone - (5) - 4 - methylaminomethane sulphonic, ethylenediaminetetracetic, benzoic and salicyclic acids. Examples describe the preparation of b -n-butylamino-butyric acid-p-phenetidide, b -n-butylamino-butyric acid anilide, methylamino-butyric acid-p-phenetidide and b -amino-butyric acid-p-phenetidide, and the isolation of these compounds as free bases or acid addition salts.  Butylamino-crotonic acid para-phenetidide is obtained as an intermediate by the reaction of acetoacetic acid p-phenetidide with n-butylamine.
Patent GB-153108-A (GB)
Title: A new or improved method of and means for preventing unauthorised use of motor vehicles and the like
IPC: B60R25/021
Filed: 1919-08-07
Abstract: 153,108. Bayliss, B. H. Aug. 7, 1919. Guarding against unauthorized use.-The steering-shaft may be locked to the steering-column by a spring-pressed or other stud d carried by an arm c of a self-locking padlock a which is secured to the column by two-part rings b. The arm c may be pivoted to the padlock at c<2> as shown, or it may be detachable, having the stud d at one end and the locking projection c'. at the other. In a modification, the padlock body is mounted on a bracket fixed to the column, and the locking- member comprises a ring which encircles the column and carries the stud d.
Patent GB-709823-A (GB)
Title: Machine for buffing tyres
IPC: B29B17/02
Filed: 1951-08-20
Abstract: 709,823. Buffing tyres. HAWKINSON, P. E. Aug. 20, 1951, No. 19609/51. Class 60 Apparatus for buffing a tyre prior to retreading comprises a turntable 2, Fig. 1, rotatable about a vertical axis on a base 1, a standard 6 on the turntable carrying means for mounting a tyre 19 for rotation about a horizontal axis, at least one buffing wheel which is mounted on pedestal 81 movable to and from the tyre and is positionable in a vertical plane passing through the axial centres of the turntable and pedestal and. containing the central plane of the tyre, and means for periodically determining the width of the crown surface of the tyre consisting of a pair of gauges which are simultaneously slidable in opposite directions on a guide arm 129 carried from the standard 6 so that their gauging edges are always disposed on opposite sides of, and equidistant from, the said vertical plane. The invention is described as applied to a machine which is constructed similarly to that of Specification 692,434, apart from the addition of the gauging means. Generally, the machine comprises a shaft 17, Fig. 1, which carries the tyre 19 and is mounted, together with its driving mechanism, on a slide 11 adjustable horizontally on a block 9 adapted to be fixed in desired vertical position on the standard 6. The pedestal 81 is rotatably mounted on a slide 70 movable on guides 69 to and from the tyre, and a platform 82 carried by the pedestal supports a shaft which mounts a coarse buffing wheel 95 and fine buffing wheel 96 and is driven from a motor. The shaft is movable axially to position either wheel for operation on the tyre; the'crown surface of the tyre is buffed to arcuate form by the wheel 95 while the turntable 2 is oscillated about its central axis, and the side edges of the tyre are buffed by the wheel 96 after the turntable 2, pedestal 81 and slide 70 have been locked in their desired positions. Gauging means. The guide arm 129 extends from a bracket 134, Fig. 4, which is adjustable vertically on a post 130 carried from the slide 11. The gauge elements 127, 128 are formed with reversely-threaded nuts 139 engaging the corresponding parts of a screwed rod 140 which is journalled on the arm for rotation by a gear 143 meshing with a gear 142 fixed centrally on the rod 140. Rotation of the rod causes the elements 127, 128 to move simultaneously towards or away from each other so as to set their gauge edges 137, 138 to the desired width of tread to be buffed. This width is indicated on a scale 145 carried by the element 127, and a scale on the post 130 enables a direct reading to be obtained of the diameter of the tyre.
Patent GB-716421-A (GB)
Title: Improvements in or relating to means for cleaning the interior of pipes, or tubes
IPC: B08B9/02
Filed: 1950-08-08
Abstract: 716,421. Cleaning beer pipes and pumps; pipe joints. LAKE, W. June 21, 1951 [Aug. 8, 1950], No. 19699/50. Classes 99 (1), 99 (2) and 102 (1). The pipes 5, 6, 7 and 8 connecting a beer engine 1 to beer barrels are disconnected from the barrels and connected to a source of cleansing fluid, e.g., contained in a sink 13, which is circulated by the engine through the pipes and discharged e.g., through a pipe 18 and into the sink 13. After cleaning, the pipes are connected to a water supply, e.g., hot or cold water taps 15, 16, the rinsing water also being drawn through the pipes by the engine. The pipes are connected to a unit 9 having a single inlet 11 connected by a hose 12 to the sink and comprising a number of Y-shaped unions which may swivel relative to each other. The outlets 3 of the engine 1 may discharge into a trough 17 provided with a hose 18 leading to the sink 13; alternatively, as shown in Fig. 3, each pump outlet is connected to the hose 18 by T-pieces 28 interconnected by tubings 30 and connected to the outlets 3 by tubings 31, or the outlets may be connected to the sink 13 by separate hoses.
Patent GB-631043-A (GB)
Title: Improvements in the construction and manufacture of bearings for rotatable members
IPC: F16C33/60
Filed: 1947-07-23
Abstract: 631,043. Roller bearings. HEIM, L. R. July 23, 1947, No. 19712. [Class 12 (i)] In a combined cage and outer race for the rollers 19 of a bearing formed by two telescoped cylindrical shells 10, 13, force fitted together, one end of the outer shell 10 is outwardly flanged at 16 to facilitate and to effect location on assembly. The other end is inwardly flanged at 11 with a further inturned axial flange 12 to retain the reduced ends 18 of the rollers 19. At this end the inner shell 13 abuts the flange 11 and at the other end has a complementary radial flange 14 and an aligned axial flange 15. The bearing is driven into its housing 17 by a mandrel (not shown) having a shoulder of complementary shape to the flanges 14, 15, 16.
Patent GB-717839-A (GB)
Title: Garbage containers
IPC: B65F1/16
Filed: 1951-08-22
Abstract: 717,839. Dust bins and like garbage containers. MOON, P. H., HINDSON, H., and ARCHER, H. C. H. Nov. 24, 1952 [Aug. 22, 1951], No. 19754/51. Class 26 A flat-topped detachable lid 1 for a dust bin or like garbage container 2 comprises a platform 4 rotatable about pivots 5 within an aperture 8 therein and arranged to support an open-topped garbage receptacle 10, so that, on rotation of the platform, the receptacle is inverted to discharge the garbage into the container. The receptacle 'may be slid out from the flanges 9, and may incorporate a removable sieve 11.
Patent GB-613781-A (GB)
Title: Phthalocyanine polyhydroxyalkylsulfonamides
IPC: C09B47/26
Filed: 1946-07-02
Abstract: Aminopolyhydroxy alcohols (e.g. 2-amino-2-methyl-1 : 3-propanediol and tris-hydroxymethyl)-aminomethane) are prepared by condensing nitroparaffins with aldehydes and reducing the nitro group. Specifications 515,637 and 520,199 are referred to.ALSO:Phthalocyanine sulphonamides are prepared by condensing phthalocyanine sulphonyl chlorides with polyhydroxy primary alkylamines, e.g. 2-amino-2-methyl-1 : 3-propanediole, 2-amino - 2 - ethyl - 1 : 3 - propanediole, tris-(hydroxymethyl) - aminomethane, glucosamine, 1 - aminoglucose, 1 - methylamino - 2 : 3-propanediol, and 1-ethylamino-2 : 3-propanediol.  The phthalocyanine may be a metal derivative such as a copper, cobalt, nickel, iron, or aluminium derivative, and the aromatic nuclei thereof may be phenyl, diphenyl, naphthyl, or anthranyl nuclei, which may contain substituents such as halogen atoms (e.g. chlorine), amino, carboxy, or sulphonic acid groups.  The reaction may be carried out in water or other suitable medium at room or lower or higher temperatures.  Some of the sulphonamides are soluble in dilute aqueous caustic alkali, and some form lakes with Ca or Ba salts.  Examples are given of the preparation of sulphonamides from copper phthalocyanine tetrasulphonyl chloride and (1) tris-(hydroxymethyl)-aminomethane, (2) 2 - amino - 2 - methyl - 1 : 3 - propanediol, and (3) glucosamine hydrochloride, from aluminium phthalocyanine tetrasulphonyl chloride and tris-(hydroxymethyl)-aminomethane, from copper phthalocyanine mixed di- and tri-sulphonyl chlorides and tris - (hydroxymethyl) - aminomethane, and from copper phthalocyanine monosulphonylchloride and tris - (hydroxymethyl)-aminomethane. Specifications 515,637 and 520,199 are referred to.
Patent GB-831868-A (GB)
Title: Improvements in or relating to a method of and a furnace for cremating bodies
IPC: F23G1/00
Filed: 1956-06-27
Abstract: 831,868. Cremation furnaces. NO FLAME PROCESS Inc. June 27, 1956 [July 5, 1955], No. 19900/56. Classes 51 (1) and 51 (2). A cremation furnace comprises a primary combustion chamber 12 with a gas-fired burner 26, a cremating chamber 13 separated from chamber 12 by a tiled hearth 28 of silicon carbide and provided with rollers 37 for the casket 35, and an auxiliary combustion chamber 14 having a burner 41, a Venturi - like entry throat 43, a series of baffles 44 and a stack 24. Fuel is supplied from a pipe 82 to burner 26 through pipe 89 having a motor-operated valve 88 controlled by a pyrometer 57 mounted on a control panel 52 and connected to thermo-couples 27 in the chamber 12. Burner 41 is also supplied through pipe 86 having a motor-operated valve 84 controlled by a pyrometer 56 connected to a thermo-couple 42 in the chamber 14. Compressed air from a pipe 68 is apportioned between burners 26 and 41 by a piston 71 actuated by a flow control device 53 on the panel 52 subject to the pressure drops across orifice plates (not shown) in the fuel and air supply pipes. Pipes 74 and 77 respectively supply air from pipe 68 to valve-controlled jets 48 on either side of the burner 41, and to a valve-controlled jet 49 inducing draught in the stack 24. A damper 51 in the stack responsive through a control device 107 to the pressure in the chamber 13 maintains a constant predetermined negative pressure in said chamber. The burner 41 may be replaced by a catalytic element mounted in the rear of chamber 14 so that all gases passing therethrough must pass over it. Flame failure units 58, 59 on the control panel are connected to a solenoid-operated valve 83 in the fuel pipe 82 to cut off the fuel supply if the flame disappears from one of the burners. In operation, the furnace is first purged with air from the pipe 68, burner 41 is ignited, the door 32 of chamber 13 is closed on to a seal, and burner 26 is ignited. Hot gases from chamber 12 pass through flues 18 and 19 entering chamber 13 at high speed through staggered ports 21 arranged in opposite upper and lower rows (Fig. 2). The oxygen content of these gases is controlled to prevent flame arising from the contents of chamber 13, and vapours and volatile matter is discharged through flue 23 and the throat 43 into chambers 14 along with combustion gases and excess of air from the burner 41 and air jets 48. Combustion is completed and the chamber 14 around the baffles 44.
Patent GB-578602-A (GB)
Title: Improvements in and relating to epicyclic power transmission gearing
IPC: F16H3/60
Filed: 1944-12-29
Abstract: 578,602. Reverse-gearing. SELF-CHANGING GEAR CO., Ltd., WILSON, A. G., and MILLER, A. A. Dec. 29, 1944, No. 19914/43. [Class 80 (ii)] In an epicyclic reverse gear, the driving and driven shafts b, c are coaxial and the ends are nested together. The sun wheel a is formed on a sleeve p, the planet gears e are carried by a frame f having teeth o and the annulus gear g is connected to a frame h having teeth m. A set of dogs 11 is formed on a sliding member 14 splined on the driving shaft b and is connected by a coupling 15 that permits relative rotation to a member 16, splined on the driven shaft c, and having a set of dogs 12. The member 16 is moved by fingers 18 actuated by the gear lever 21; the fingers 18 also move the dogs 23 formed on the sliding member 13 and engaging teeth 24 on the fixed housing. Clutch plates q are splined on the sleeve p and plates q<1> are splined on member r within which is a nut t threaded on an extension of the fixed casing The dogs 11, 12 and 13 are shown in the neutral position. and when moved to the left, the dogs 11 engage the teeth 10 connected to the sun wheel a, the dogs 12 engage the teeth m connected to the annulus, and the dogs 13 engage both sets of teeth o and 24 to hold the planet carrier f stationary and a reverse drive is transmitted from the driving to the driven shaft. When the dogs are moved to the right, the dog 11 engages the teeth m and the dog 12 engages the teeth o. The drive is then transmitted from the driving shaft b to the annulus and a forward speed is transmitted to the driven shaft; the nut t tightens the clutch plates q, q' to ensure the sun wheel remains stationary. The shaft b is fitted with a magnetic brake 26, 27 that is energized by contacts 28, 31, 32 associated with the gear lever so that the shaft b is slowed whilst the lever is in the intermediate positions during changing. Additional means may be provided to prevent acceleration of the prime mover whilst the brake is applied.
Patent GB-596833-A (GB)
Title: Improvements in or relating to silicone resin compositions
Filed: 1945-08-03
Abstract: A silicone polymer is dispersed in an aqueous medium containing a dispersing agent.  The products have good adhesion for glass fibres and mica flakes, are not deleterious to rubber belts and other processing equipment and are relatively non-inflammable. Lead naphthenate, cadmium resinate or other organo-metallic driers may be added to the dispersion to facilitate further polymerisation of the silicones, after evaporation of the water. The dispersions are particularly useful for producing electrical insulation: In Ex. 1 phenyl ethyl silicone of intermediate molecular weight was heated and the dioctyl ester of sodium sulphosuccinic acid was added.  An aqueous solution of the same dispersing agent was also prepared, heated and the two solutions were mixed with stirring.  The resulting emulsion was treated in a colloid mill and stabilised by addition of ammonia.  In Ex. II a similar mixture of phenyl ethyl silicone and the dispersing agent was mixed with aqueous polyvinyl alcohol.  The emulsion was stabilised with ammonia and put through a colloid mill. Other stabilisers mentioned are sodium alkyl suphonates and sodium alkyl aryl suphonates such as isopropyl naphthalene sodium sulphonate. Other silicones mentioned are methyl, phenyl, methyl, ethyl, halogenated aryl and allyl.ALSO:A silicone polymer is dispersed in an aqueous medium containing a dispersing agent.  The products have good adhesion for glass fibres and mica flakes, are not deleterious to rubber belts and other processing equipment and are relatively non-inflammable. Lead naphthenate, cadmium resinate or other organo-metallic driers may be added to the dispersion to facilitate further polymerization of the silicones, after evaporation of the water. The dispersions are particularly useful for producing electrical insulation.  In example (1) phenyl ethyl silicone of intermediate molecular weight was heated and the dioctyl ester of sodium sulphosuccinic acid was added.  An aqueous solution of the same dispersing agent was also prepared, heated and the two solutions were mixed with stirring.  The resulting emulsion was treated in a colloid mill and stabilized by addition of ammonia.  In example (II) a similar mixture of phenyl ethyl silicone and the dispersing agent was mixed with aqueous polyvinyl alcohol.  The emulsion was stabilized with ammonia and put through a colloid mill.  Other stabilizers mentioned are sodium alkyl sulphonates and sodium alkyl aryl sulphonates such as isopropyl naphthalene sodium sulphonate. Other silicones mentioned are methyl, phenyl methyl, ethyl, halogenated aryl and allyl.
Patent GB-972790-A (GB)
Title: Orthodontic appliance
IPC: A61C7/12
Filed: 1963-05-20
Abstract: 972,790. Orthodantic appliances. J. J. SCHACHTER. May 20, 1963, No. 20003/63. Heading A5R. An appliance for maintaining a gap between teeth comprises a band 1, for attachment to an adjacent tooth and a wire spacing element 7 having bent intermediate portions 18, 19 so that these can be straightened to any required extent and thereby cause elongation of the element 7 so that its free end bears against a further tooth. A channelled plate 2 is rigidly secured to the band 1 so as to provide two tubular portions 5, 6 into which the vertically downturned ends 16, 17 of the wire element can be placed, where they are retained by bending towards each other as shown. In a modified form both ends of the spacing element are similarly attached to bands placed around appropriate teeth and also, by suitably placing the free end of the spacing element surgically in the gum so as to bear against a tooth growing in that position.