baber/WOPTO huggingface dataset:
Patent GB-1520221-A (GB)
Title: 3-indolyl-3-bis-aminophenyl phthalide compounds their manufacture and use
IPC: B41M5/327
Filed: 1977-01-13
Abstract: 1520221 Colour formers CIBA GEIGY AG 13 Jan 1977 [16 Jan 1976] 01361/77 Heading C4P The invention comprises colour formers having the general formula wherein R 1  is C 1 -C 12  alkyl optionally substituted by halogen, OH, CN or C 1 -C 5  alkoxy, cycloalkyl, or phenyl or benzyl optionally substituted by halogen, NO 2 , C 1 -C 5  alkyl or C 1 -C 5  alkoxy, R 2  is H or any of the meanings given for R 1  but is not optionally substituted phenyl, R 1  and R 2  may together with the N atom form a 5- or 6-membered heterocyclic ring, X 1  and X 2  are H, C 1 -C 5  alkyl, cycloalkyl, benzyl optionally substituted by halogen, NO 2 , C 1 -C 5  alkyl or C 1 -C 5  alkoxy, or C 1 -C 8  acyl, and X, may also be phenyl optionally substituted by halogen, nitro, C 1 -C 5  alkyl or C 1 -C 5  alkoxy, Y is H, C 1 -C 12  alkyl optionally substituted by halogen, OH or CN, or benzyl optionally substituted by halogen, nitro, C 1 -C 5  alkyl or C 1 -C 5  alkoxy, Z is H, C 1 -C 5  alkyl or phenyl and rings A and B may be substituted by halogen, nitro, amino, or C 1 -C 5  alkylamino. They are prepared by (a) reacting a compound of the general formula with a compound of the general formula or (b) reacting a compound of the general formula with a compound of the general formula When X 1  and/or X 2  are H the products may be , subsequently alkylated, aralkylated, and/or acylated. The compounds are used in pressure sensitive and thermo-reactive recording materials.
Patent GB-327215-A (GB)
Title: Improvements in or relating to tin-plate, carton and other containers
IPC: B65D41/00
Filed: 1929-01-15
Abstract: 327,215. Lofts, S. E. Jan. 15, 1929. Stoppers, bayonet-joint for containers of the type having a metal stamping secured to the body and having an inwardly extending ledge, for seating a tagger-disc or sealing ring. Means are provided whereby on rotation of a lever lid 7 relative to the neck portion of the container, the lid is forced downwardly therein. The neck portion 2 is provided with inwardly extending projections 6 which co-operate with projections 9 on securing the lid 7. A rubber packing ring may be provided on the ledge 3 or in a recess under the rim of the lid. A tagger-disc &c. may be inserted in the recess 16 at the lower edge of the projections 6.
Patent GB-391738-A (GB)
Title: Improvements relating to knitting machines for forming eyelet hole fabric and the like
IPC: D04B15/02
Filed: 1933-01-16
Abstract: 391,738. Knitting-machines. SCOTT & WILLIAMS, Inc., 366, Broadway, New York, U.S.A.-(Assignees of Swinglehurst, H. ; Orange, New York, U.S.A.) Jan. 16, 1933, No. 1432. Convention date, Jan. 6, 1932. [Class 74 (ii).] Fabrics with variations in stitch structure such as eyelet holes are produced bv the transfer of sinker waleloops by means of single or doublebend transfer jacks 28. In lateral contact with the transfer jacks there are sinkers with or without nebs above their loop-drawing edges 62,62<1>. By locating the nose 30 of each transfer jack above a nebless sinker 26 and the lower edges 30<1> below the tops of the sinker nebs 61 and adapting them to measure the loops over the nebless sinkers it is possible to knit thereby a fine-gauge fabric. The invention is described as applied to a 16-feeder machine with stationary needle-cylinder. The needles are controlled by cams, Fig. 2 (not shown), and the jacks by cams, pattern wheels and fixed surfaces 38 .. 46. The cams 38, 40, 45 are controlled by a shift ring 48. When the ring 48 is pushed to its extreme position in the direction of knitting, i.e. to the right in Fig. 3, the swivel cam 38 is withdrawn from the path of the transfer jack butts while the cams 40, 45 are inserted into it. If the transfer cam 46 at the left hand of the section has not been withdrawn from operative position all the jacks will be in transfer position at the point A and the needles clearing at B will come up beside the jacks but by the time the elements have reached yarn-feeding point C the jacks will have been retracted. Plain stitches are drawn at D and at G the needles receive yarn for the second course of stitches drawn at J. The jacks are not moved out at point J since cam 38 is withdrawn, but as they pass pattern wheel 39 at point L any jacks which may be selected by teeth thereon will be taken back at N before yarn can be laid over them. At point Q those jacks passing the second pattern wheel 44 and selected thereby will move radially outward. Needles clear at R but selected jacks are withdrawn at point S by cam 45 before yarns can be laid over them. When it is required to make fabric with simultaneous transfer of two sinker wale loops on each jack the ring 48 is moved to the left, advancing the cam 38 into the track of the jack butts and retiring the cams 40, 45. If it is required to make eyelet holes on certain jacks only the ring 48 is moved to a mid-position to bring cams 38, 40, 45 into a neutral position so as not to interfere with jacks that are at either the out-of-action or the loop-laying position. Specifications 5993/07 and 5995/07, [both in Class 74, Lace-making &c.], are referred to.
Patent GB-432847-A (GB)
Title: Wire tightening and twisting apparatus applicable for surgical and other purposes
IPC: A61B17/88
Filed: 1935-01-16
Abstract: 432,847. Wire-straining appliances. ERICSSON, E. A. J., 8, Andra Langgattan, Gothenburg, Sweden. Jan. 16, 1935, No. 1468. [Class 45] [See also Group VI] An appliance for tightening a wire about an object, particularly about plates applied to a fractured bone, comprises a screw 4 rotatable in the casing 1 of the appliance and carrying a nut 19 which is traversable by the screw in a slot 2 in the casing. The nut 19 carries clamping means for the ends of the wire 25 comprising a plate 20 integral with an abutment plate 21 which co-operates with a saw-edged eccentric 23 operated by a lever 24. The upper end of the casing 1 has spigotted to it at 7 a tip 8 carrying an eye 9 offset from the axis of the screw and aligned with the clamp 21, 23, a pin on the part 7 engaging a slot in the casing. The eye has a loose sleeve with terminal flanges 12, 13, the flange 12 having radial slots. The casing 1 carries a T-shaped wire-separator member 18. A number of tips 8 are provided for alternative use according to the size of wire employed. In use the wire 25 is placed around the object 26, the ends are then passed through the eye 9, separated on the T-piece 18, and clamped in the clamp 21, 23. Turning the screw 4 by a handle 5 then traverses the nut 19 and tightens the wire, after which the whole appliance is rotated to twist the wire and finally to break it above the T-piece, the radial slots in the flange 12, and rotation of the sleeve carrying it, preventing premature breakage.
Patent GB-995354-A (GB)
Title: An improved magnetohydrodynamic generator in which short circuit end effects are reduced
IPC: H02K44/08
Filed: 1962-01-16
Abstract: 995,354. Generators operating by electromagnetic interaction with fluids. AVCO CORPORATION. Jan. 16, 1962 [Feb. 2, 1961], No. 1514/62. Heading H2A. In a magnetohydrodynamic generator losses caused by the short-circuiting effect of circulating eddy currents downstream of the electrodes are reduced by cooling the working fluid to reduce its conductivity at this point. As shown, hot conductive gas passes along the diverging duct 21 in the presence of a magnetic field B so that current may be taken from segmented electrodes 24 and is cooled by injecting through orifices 27 a gas or vapour 28. Preferably the gas is injected within one duet diameter of the downstream edge of the electrodes through either circular or rectangular orifices spaced around the periphery of the duct. In a modification, the orifices may be in the upstream face of tubes which span the duct, Figs. 3, 4, 5, 6 (not shown]. Alternatively, heat exchange tubes, carrying a refrigerated coolant may span the duct, Figs. 7, 8, 9 (not shown).
Patent GB-743488-A (GB)
Title: An improved process for the production of carbon black
Inventor: FRIAUF GEORGE F
IPC: C09C1/50
Filed: 1953-01-20
Abstract: Carbon black is produced according to the process set forth in the parent Specification (wherein an atomized spray of liquid hydrocarbon is introduced into a heated reaction space and therein disassociated in a turbulent zone of combustion) by selecting as the liquid hydrocarbon an anthracene oil having a mean molecular weight in the range of 140 to less than 225 but having otherwise the same characteristics as the hydrocarbons specified in the parent Specification, namely a hydrogen/carbon ratio of 0.75-1.25, an A.P.I. gravity of not more than 10, a viscosity in excess of 30 Saybolt seconds universal at 210 DEG F. and a Conradson carbon residue in excess of 1.5.
Patent GB-157908-A (GB)
Title: Improvements in processes for the manufacture of briquettes
IPC: C10L5/14
Filed: 1921-01-10
Abstract: 157,908. Pollacsek, E. Oct. 17, 1919, [Convention date]. Briquetting processes. - Ore rubbish or waste metals are briquetted by mixing with a binder consisting of concentrated alkaline sulphite waste lye and heavy mineral oil, the mixture being moulded without previous heating. The binder is prepared by rendering waste sulphite lye strongly alkaline and treating with steam until a sample solidifies on cooling. Oil is then added to the stirred hot mass until a further sample remains liquid on cooling. Specifications 20460/13 and 157,907 are referred to.
Patent GB-495925-A (GB)
Title: Improvements in electrically controlled extensible chairs and like devices
IPC: A61G15/02
Filed: 1938-01-18
Abstract: 495,925. Control of motors ; actuating controllers. PIEPER, O. H., aid PIEPER, A. F. Jan. 18, 1938, No. 1701. Convention date, Feb. 4, 1937. [Class 38 (iii)] [Also in Group XIV] In an adjustable chair of the kind used by dentists, barbers, &c., or in an operating table, the seat or table is raised and lowered by means of an electric motor controlled by a plurality of switches, and means are provided for operating one switch at an interval after the operation of another. The invention is described as applied to the chair described in Specification 495,742, [Group XIV], in which the motor drives a pump supplying fluid to hydraulic lifting mechanism. The motor is controlled by two switches, preferably mercury switches, a main switch 220, Figs. 3 and 8, and a second switch 222 which serves to short-circuit a resistance in the lead to the motor. The switches are mounted on pivoted platforms 250, 252, which are spring urged to the position in which the switches are closed. A pedal 266 is mounted below the platforms, and has an upstanding arm 270 which when the pedal is not depressed holds both platforms up and the switches open. Other arms on the pedal 266 carry springs connected to the platforms which tend to pull the platforms down and so close the switches. When the pedal 266 is depressed the switches are thus closed, but the movement of the platform 252 carrying the switch 222 is controlled by a dashpot 284 so that closing of this switch, which cuts out the starting resistance, is delayed. The switches are arranged to be opened automatically in case of excessive elevation of the chair. In this case, a lug 360, Fig. 8, carried by the member 40, which is part of the lifting mechanism, engages a washer 362 on a rod 364, and a lug 368 on the lower end of the rod 364 is arranged to raise the platforms carrying the switches and so stop the motor.
Patent GB-1358793-A (GB)
Title: Polymeric compositions
IPC: A24D3/14
Filed: 1972-01-14
Abstract: 1358793 Tobacco compositions; tobaccosmoke filters E W MERRILL 14 Jan 1972 [18  Jan 1971] 1781/72 Heading A2C [Also in Division C3] An absorbent for polynuclear aromatic hydrocarbons from tobacco smoke comprises a heat resistant composition comprising silicone rubber and an alkali metal borate hydrate, preferably borax, intimately admixed, with the borate retained within the silicone rubber, the water of hydration being retained, the amount of borate being sufficient to render the composition resistant to the heatof burning tobacco. The amount of borate is preferably from 50-80% wt of the composition. The absorbent in comminuted form can be mixed with tobacco for use in cigarettes, pipes or cigars, or it can be used in a cigarette filter.
Patent GB-991467-A (GB)
Title: Improvements in sealing arrangements comprising sliding sealing rings
IPC: F16J15/54
Filed: 1962-01-17
Abstract: 991,467. Seals. H. RYFFEL. Jan. 17, 1962 [Aug. 21, 1961], No. 1800/62. Heading F2B. The gap between a stationary bearing housing 6 and a rotating shaft 4 is sealed by a ring A comprising at least one axially and radially deformable helical spring and having its end surfaces, which are approximately plane and parallel, bearing against radial surfaces 8a, 9a which rotate with the shaft, the arrangement being such that, when the speed of rotation of the shaft 4 exceeds a predetermined limit, the periphery of the sealing ring A makes frictional contact with a cylindrical surface 7 of the housing such that the sealing ring rotates at a speed which is less than that of the shaft. The surfaces 8a, 9a may be provided, as shown, by a two-part U-shaped ring 8 or by a shoulder formed on the shaft and a collar fitted on the latter. One of the lateral surfaces of the ring A may have soldered, welded or riveted to it a sealing ring. The ring may consist of a number of springs with the turns of one spring disposed in the interspaces between the turns of another spring. When placed in position the spring is axially compressed between the surfaces 8a, 9a and bears with a running fit against the housing surface 7. In operation, as the shaft speed increases, the ring, which is rotated through frictional engagement with the surfaces 8a, 9a, is subjected to increasing centrifugal force and as a result of radial expansion bears with increasing pressure against the surface 7 until finally the ring rotates at approximately constant speed with constant speed of the shaft. The ring speed is preferably arranged to be half that of the shaft.
Patent GB-987491-A (GB)
Title: A new or improved method of heat treating steel
Inventor: MCGAVIN ROY FORRESTER
Filed: 1961-01-17
Abstract: A method of hardening plain carbon or low alloy steel comprises austenizing the steel, cooling slowly to below the austenizing temperature but still high enough to prevent the formation of pro-martensite precipitations, water quenching to form martensite in the surface layers, interrupting the quench to allow the core to transform partially to martensite and then continuing the cooling at a rate slower than water-quenching to effect tempering of the surface layers to produce a lightly tempered martensitic structure throughout the section.  The steel may be fully tempered at some later time. The preliminary slow cooling may be in air and the water quench may be interrupted at such time as will give an evening-up temperature of 200-225 DEG  C. The duration of the water quench is directly proportional to the square of the diameter of round bars and to the square of the thickness measured across the flats in square, hexagonal, or octagonal sections.
Patent GB-370501-A (GB)
Title: Improvements in processes for the manufacture of ceramic masses, particularly applicable to the manufacture of fire resistant articles
IPC: C04B33/02
Filed: 1931-01-03
Abstract: In the manufacture of ceramic and refractory masses, two or more additional materials are incorporated into a granular or powdered foundation material of a non-plastic nature, in the form of a cloud of dust or mist and in stages interrupted by mixing. The additional materials may be mixed together and incorporated in the foundation material a small quantity at a time, they may be added separately one after the other, mixing taking place after the addition of each material, the addition of each material may be interrupted by mixing, or the various materials may be added at the same time by means of separate nozzles in stages interrupted by mixings.  The materials may be dry or dissolved or suspended in water, and the water or other liquid may be added in mist form or by ordinary methods, e.g. together with the foundation material. The method may be applied to compositions already partly formed by ordinary methods, e.g. a mixture of granular chamotte and dry clay.  Examples of foundation material are chamotte, quartzite, magnesite, chromite, &c., and additional materials are binders, e.g. clay, mineralizers, e.g. phosphoric acids or salts thereof, boric acid, hydrate of alumina, bauxite, ferric oxide and silicic acid, catalysts, and fluxes, e.g. fluorspar, felspar, alkalies and alkaline earths.  In an example, 500 kg. of a foundation material of 5 mm. grain size are inserted dry into a mixer and 5 litres of water are added; 2 kg. of finely-ground-felspar are made into a paste with 20 litres of water and added in the form of a mist; after uniform mixing 60 litres of a clay suspension containing 50 per cent of clay are likewise added in the form of a mist.
Patent GB-116669-A (GB)
Title: Combined Safety Guard and Brake for the Front Wheels of Motor Road Vehicles.
Inventor: PUTTERGILL WILLIAM HENRY
IPC: B60R21/34
Filed: 1918-02-02
Abstract: 116,669. Puttergill, W. H. Feb. 2, 1918. [Convention date]. Wheel guards. - Relates to wheel guards for motor-vehicles of the type in which each wheel is provided with a guard d pivotally mounted on the chassis or on a bracket carried by the dead axle a, on an axis co-axial with the pivot a<3> of the stub-axle a<2>, the guard having rollers e<2>, e<3> adapted to engage the sides of the wheel or tyre a' so that it turns about its vertical pivot c as the wheels are turned. According to the invention, the guard d consisting of two thin metal strips is supported from the pivot c by a rectangularly bent bar c<2>, c<3>, which passes through two slotted quadrants b<2>, b<3> so as to fit the former quadrant closely, but passing loosely through the latter, thus permitting a limited upward yielding of the guard when its lower portion encounters an inequality in the surface of the road. The guard carries, in known manner, rollers d<2> on its rear face adapted to give a braking action on the wheel when an obstacle is struck, and a front roller d<4> at its lower extremity adapted to contact with and carry the guard over any road inequalities.
Patent GB-306125-A (GB)
Title: Manufacture of cellulose ethers
IPC: C08B11/02
Filed: 1929-01-21
Abstract: 306,125. Wacker Ges. fiir Elektrochemische Industrie Ges., Dr. A. Feb. 17, 1928, [Convention date]. Right to Patent relinquished. Cellulose ethers, and processes for making filaments and films therefrom.-Cellulose ethers insoluble in the usual simple solvents but soluble in mixed solvents are obtained by treating alkali cellulose with alkyl halide in the presence of water in quantity greater than twice the weight of alkali contained in the alkali-cellulose but not exceeding six times the weight of the cellulose contained in the alkali cellulose without the addition of caustic alkali or of alkali solution. The ethers are soluble in mixed solvents such as benzene-alcohol and dichlorethylene-alcohol; they give plastic masses, films and threads exhibiting an increased tenacity and of characteristic flexibility. In an example, cotton linters or sulphite cellulose are impregnated with 40 per cent caustic soda solution, pressed at 100 atmospheres and the pressed mass heated with water and an excess of ethyl chloride. Specifications 12854/12 and 6035/13 are referred to.
Patent GB-400578-A (GB)
Title: Improvements in or relating to centrifugal separators
IPC: B04B1/14
Filed: 1932-01-22
Abstract: 400,578. Centrifugal separators. ROUX, C., 47, Avenue de la Motte Piquet, Paris. Jan. 22, 1932, No. 2048. Void [Abridged as open to inspection under Sect. 91 of the Acts, Jan. 24, 1932]. [Class 23.] The moving walls of a centrifugal separator, particularly for the treatment of paper pulp, have apertures which may be opened or closed as desired so that materials can be expelled during the rotation of the apparatus. The conical drum a, Fig. 1, has a cylindrical top part with a ring d to keep the separated solids in the drum. The material is supplied to the axial conduit c and liquid discharges over the ring d. The cylindrical part of the drum has ports f which are normally closed by a band h supported by an annular flange in ball bearings k carried on pillars i which can be raised by hydraulic or pneumatic means. When the pillars are raised the band h is lifted to clear the ports f and so allow the solids to discharge from the drum. The ball bearings enable the band to rotate with the drum and reduce the friction to a minimum. In the modification shown in Fig. 2, a stepped drum a<1>, a<2>, a<3> is used and the ports f are placed in the annular parts joining the sections. The pillars i which lift the closure rings h carry rollers l at their upper ends. Rollers may be similarly arranged above the closure rings. In the further modification shown in Fig. 3, the drum sections a<1>, a<2>, a<3> are rotated independently of each other by concentric shafts. The gaps f between the sections are used for the discharge of solids and they are normally closed by collars h which may be made in two parts running on ball bearings. In another modification the closure collar may be operated by a disc advanced by a screw operated by a handwheel.
Patent GB-708532-A (GB)
Title: Improvements in water screening devices or plant
Inventor: HODGKINSON ALEXANDER JOHN
IPC: B01D33/00
Filed: 1951-01-29
Abstract: 708,532. Rotary filters. HODGKINSON, A. J., and BRITISH ELECTRICITY AUTHORITY. Jan. 23, 1952 [Jan. 29, 1951], No. 2195/51. Class 46 A water screening device for river water comprises a pair of parallel annular flange screens 7, Fig. 1, rigidly connected together by a central barrel 6 to brace one another, so that unscreened water 11, 12 may pass through the screens from the outside to the inside to be screened, and other unscreened water may flow into or through the barrel, the device rotating within a pit or chamber. The device is rotatably mounted on shaft 8 and is rotated through the shaft or a gear ring on one of the flanges 7. Radiating arms 10 which may be cross-braced or of the cantilever type are carried by the shaft 8 or the central barrel and support the flanges 7 and may act as vanes to assist in the rotation. As shown in Fig. 2, three screening devices are mounted in pits 2 formed in a concrete structure 1, an inlet water channel leading to the outside of each flange 7, and a screened outlet leading from each section 13 to a pump chamber. Water jets 16 operating against the inner faces of the screens and outer face of barrel 6 wash deleterious matter into externally mounted troughs 17. Also platform 18 and hoods or baffles 19 are provided. The barrel 6 may be perforated to act as a screen, or it may be imperforate, and in either case the ends may be open for free flow of water or covered by screens. In a modification more than two flange screens are provided.