baber/WOPTO huggingface dataset:
Patent GB-1176361-A (GB)
Title: Electrophoretic Imaging Process and Apparatus
IPC: G03G17/04
Filed: 1967-01-10
Abstract: 1,176,361. Electrophotographic material. XEROX CORP. 10 Jan., 1967 [17 Jan., 1966], No. 1340/67. Heading H1K. [Also in Division G2] In an electrophotographic process wherein an image is formed by positioning a suspension of electrically photo-sensitive pigment particles in an insulating liquid between a pair of electrodes, at least one of which is transparent and at least one of which is an injecting electrode (as defined) and simultaneously exposing the suspension through the transparent electrode and applying an electric field whereby an image of migrated particles is formed on at least one electrode, an electrically photosensitive layer is bonded to the surface of the injecting electrode. The photosensitive layer is preferably less than 1 Á thick, has an optical density of less than 0À05, and may be prepared by rubbing or coating an electrically photosensitive pigment optionally admixed with a binder (e.g. polyvinyl, polystyrene epoxy, phenolic, silicone and urethane resins) on to the electrode surface
Patent GB-154479-A (GB)
Title: Improvements in or relating to the manufacture of metal wheels
IPC: B21D53/26
Filed: 1920-01-15
Abstract: 154,479. Dittmar, F. C. Jan. 15, 1920. Disk wheels.-Relates to wheels of the type which are formed from T- or I-shaped metal bars by cutting the web of the bars so as to form spaced spoke-members and binding the flange into circular shape to form the rim as described in Specification 136,493, and consists in forming the inner ends of the spoke-members 6, of keystone shape as shown at 7, so that they abut when the wheel is in its finished form. The centre of the wheel is formed by two stampings 9 welded together centrally at 10, the spokes being alternately splayed on either side, and either welded together at their abutting edges and to the centre or secured thereto by rivets or bolts 12, and distance-piece 14. The bolts 12 also secure the wheel between a flange 11 on the hub 10 and a detachable flange 13. In a modification, the spokes are shaped, as shown in Fig. 9, to lie in dovetailed-shaped recesses 18 in the sides of the wheel centre, and may be secured by welding, riveting, or bolting. Reference has been directed by the Comptroller to Specification 141,0,38.
Patent GB-211847-A (GB)
Title: Improvements in or relating to the cylinders of internal combustion engines
IPC: F02B3/06
Filed: 1924-01-18
Abstract: 211,847. Sulzer FrÞres Soc. Anon. Feb. 20, 1923, [Convention date]. Cylinders, cooling.-The flange at the outer end of a cylinder liner has an annular cavity 6, the inner walls of which are thinner than the remaining portion of the liner. Cooling water passes from the cooling jacket 7, through the annular cavity and pipes 10, to a chamber 9 in the cylinder-head. Cleaning openings 11 are provided, the outer casing 4 of the cylinder extending to the bottom of the flange only.
Patent GB-450408-A (GB)
Title: Improvements in the manufacture of cellulose esters
IPC: C08B3/28
Filed: 1935-01-16
Abstract: Organic esters of cellulose are stabilized by passing hot water or a hot dilute aqueous medium continuously through the cellulose ester while maintaining the cellulose ester in a substantially stationary state.  The cellulose ester may be an acetate, formate, propionate, or butyrate.  Esters produced with the aid of sulphuric acid, zinc chloride, ferric chloride, hydrochloric acid, perchloric acid, zinc or magnesium perchlorate, phosphoric acid, sulphuryl chloride, or sodium bisulphite, as catalyst may be used.  The cellulose ester may be treated in any form, but preferably in the form in which it is precipitated from esterification or ripening solutions.  The precipitated ester may be washed or treated with weakly alkaline solutions prior to the stabilizing treatment.  Sulphuric acid present in the material may be neutralized by addition of acetates, carbonates, or bicarbonates of sodium, potassium, or ammonium, but small amounts of free acid may be present during stabilization.  Hot water or hot dilute solutions of sulphuric acid may be used as stabilizing liquid.  The process may be carried out in an apparatus consisting of a vessel with a perforated plate as false bottom upon which the cellulose ester is placed.  The liquid may be introduced through an inlet at the top of the vessel and removed from the bottom.  A distributing device may be employed to apply the liquid uniformly to the surface of the cellulose ester.  The inlet and outlet pipes are connected together and include in their circuit a steam injector, pump, or other device to maintain circulation of the liquid through the vessel.  More than one perforated plate carrying the cellulose ester may be used or the cellulose ester may be contained between two plates.  The liquid outlet may have a fine mesh gauze filter to collect suspended matter.  Treatment may be at atmospheric or greater pressures.  The treated material may be washed by passing hot or cold water through the vessel and finally it may be dried by passage of dry steam, or dry steam and air.  In an example, cellulose acetate prepared with the aid of sulphuric acid as catalyst is ripened and then precipitated from solution.  The precipitated material is placed on a perforated false bottom of a treatment vessel and hot water is circulated through the vessel.  A very dilute solution of sulphuric acid is then circulated through and the liquid is kept boiling by injecting steam through jets in the bottom of the vessel.  After the treatment with dilute acid, the liquid is drained, and the cellulose acetate is washed by circulating water through the vessel.  The product is dried by passing hot air through the vessel.
Patent GB-286049-A (GB)
Title: Improvements in rails for supporting garments or the like
IPC: A47B61/02
Filed: 1927-01-18
Abstract: 286,049. Timings, S. Jan. 18, 1927. Garment racks.-A pull-out rail for supporting garments in a wardrobe &c. comprising a metal rail 1, secured to the wardrobe by integral or attached lugs 4, upon which is slidably mounted a metal rail 3, both rails 1, 3 being of channel section, provided with a handle 17 and a number of sockets 12 to receive swinging rods 15 on which garments may be hung. The moving rail is provided with a strengthening bar secured to the rear thereof. One or more stops 16 are secured to the rail 3 to limit the swinging movement of the rods 15. A pressed-out portion of the fixed rail 1 limits, by engagement with the head of a rivet 10 in the rail 3, the outward movement of the rail 3, the inward movement of which is limited by the abutment of a lug of the handle 17 with the end of the fixed rail 1.
Patent GB-378319-A (GB)
Title: Improvements in artificial filaments, yarns, ribbons and the like and in processes for manufacturing the same
IPC: D01F2/28
Filed: 1932-01-18
Abstract: Artificial filaments, yarns, ribbons, bristles, straws, &c. are delustred by incorporating therein a preformed water-insoluble bismuth compound, either by the addition of such to the spinning solution or by treatment of the materials with a suspension of the compound preferably in the presence of a swelling agent for the substance of the filaments.  The method is applicable to artificial threads, &c. of the reconstituted cellulose type and to those made from inorganic esters of cellulose or from cellulose esters. Suitable bismuth compounds are bismuth oxychloride and hydroxide, or if coloured pigments are desired, bismuth oxides and sulphide; and the compounds are preferably used in very fine form as by fine grinding with water, oil or diethylene glycol, the particles being reduced to less than 5 microns and preferably less than 2 microns. To the spinning solution may be added diethylene glycol, heavy mineral oil, and olive, castor or other oil, and the pigment and the solution are preferably thoroughly mixed and subjected to the usual filtrations.  Yarns &c. in addition to being delustred, have greater opacity and covering power, do not cut the thread guides &c., knit more closely, and have improved winding, twisting or knitting properties.
Patent GB-705066-A (GB)
Title: Improvements relating to devices for the extraction of comminuted vegetable matter
IPC: C13B10/10
Filed: 1951-01-19
Abstract: 705,066. Screw conveyers. LANGEN E. Jan. 19, 1951 [Jan. 20, 1950], No 1529/51. Class 78 (1 Screw conveyer 1( elevates sugar beet against a downward current of extracting solvent in a tower 5 and comprises a plurality of screw parts 9 each comprising a plurality of vanes 1, 2, 3, the screw parts being separated by partition 6 fixed to the inside of the tower.
Patent GB-1008011-A (GB)
Title: Improvements relating to counters for counting cells in suspension
Inventor: BLACKETT JOHN HAROLD
IPC: G01N15/06
Filed: 1963-01-14
Abstract: 1,008,011. Particle counting arrangements. VICKERS INSTRUMENTS Ltd. Jan. 3, 1964 [Jan. 14, 1963], No. 1683/63. Heading G1N. Probes 7 and 8, Fig. 1, provided at different levels in a container 1 of a solution containing cells in suspension, which solution can be supplied or withdrawn through a conductive tube 6, are connected to control a relay 18 through transistors 14,15,16,19 so that a circuit for counting the cells may be prepared during the period in which the surface of the liquid passes from the tip of one electrode to the tip of the other. Transistor 15 is cut off when the solution is in contact with electrode 7, and when the level falls, is rendered conductive to energize the relay 18. When the level drops below the tip of probe 8 transistor 16 is rendered non-conductive and the relay is released. The probe height may be set during manufacture to cater for the flow of a predetermined volume from a container of known diameter. The probes are mounted in a synthetic resin container and are of stainless steel with platinum rhodium pointed tips.
Patent GB-1394931-A (GB)
Title: Bearing assembly
IPC: F16C27/00
Filed: 1973-01-12
Abstract: 1394931 Bearings SKF INDUSTRIAL TRADING & DEVELOPMENT CO BV 12 Jan 1973 [14 Jan 1972] 1700/71 Heading F2A In an assembly comprising a shaft 1 rotatably mounted in a housing 3 by at least one bearing 2, 4 and a sleeve 5 mounted on the shaft to locate the bearings axially with respect to the shaft, a damping space is provided bounded by the exterior surface 10 of the sleeve, the interior surface of the housing, and two circumferential projections 9, there being a first duct 8 through which fluid can be supplied to the space, and drains spaced from the sleeve and leading to a second duct 7 through which fluid can be drained from the housing. The bearings 2, 4 are lubricated through further ducts 6.
Patent GB-606755-A (GB)
Title: Improvements in brushes
IPC: A45B3/10
Filed: 1946-01-18
Abstract: 606,755. Brushes. PROUDLOVE, N. Jan. 18, 1946, No. 1739. [Class 19] A brush for cleaning dentures and the like comprises a bundle of bristles connected together mid-way ir their length by a band or ferrule 2 and compressed thereby to assume substantially oval or elongated oval shapes 3 and 4 at each enc with the major axis of one end at right angles to that of the other.
Patent GB-915013-A (GB)
Title: Process for the manufacture of new metallisable 4-hydroxy-5-carboxyphenyl-2:2-dihydroxyazo-dyestuffs and 2-sulphate esters thereof
IPC: C09B33/00
Filed: 1959-01-16
Abstract: Sulphuric acid mono-(5-hydroxy-4-carboxy-2-aminophenyl)ester is made by treating sulphuric acid mono-(5-hydroxy-4-carboxy-2-(41-chlorophenylazo)-phenyl-(1) ester with alkaline hydrosulphite solution, the dye being obtained from the coupling component sulphuric acid mono-(3-hydroxy-4-carboxyphenyl)ester which is prepared by treating 2,4-dihydroxybenzoic acid with chlorosulphonic acid.  The amine is used as a coupling component for azo dyes (see Group IV(c)). Specification 898,353 is referred to.ALSO:Metallisable azo-dyes, or heavy metal complexes thereof, are made by diazotising an ester of formula <FORM:0915013/IV (b)/1> and coupling into a component which contains a hydroxyl group o to the coupling carbon atom, if desired, hydrolysing the dye thus produced in an acid or neutral medium, in substance or on the fibre, to split off the sulphuric ester group and, if desired, metallising in substance, or on the fibre, at the o,o1-dihydroxy group, during or after hydrolysis, and/or, if desired, metallising in substance, or on the fibre, at the o-hydroxy-carboxy group before hydrolysis, or after metallisation; at the o,o1-dihydroxy azo group.  The diazo component may couple more than once with the coupling component.  The invention includes the sulphuric acid ester dyes.  Indicated diazo-components are of the acetoacetylarylide, pyrazolone, benzene or naphthalene series.  The coupling component may contain azo links.  Representative of specified coupling components are resorcinol, 2,4-dihydroxy-benzoic acid, 3-acetoacetylaminobenzene-sulphonic acid, 5-acetoacetylamino-2-hydroxybenzoic acid, 1-(31-carboxy-41- hydroxyphenyl-) -3- methyl-5-pyrazolone, 2-naphthol, 8-amino-1-naphthol-3,6-disulphonic acid, 1,8-dihydroxynaphthalene-3,6-disulphonic acid, 1-hydroxy-8-acetoacetylaminonaphthalene-3,6-disulphonic acid, 5,51-dihydroxynaphthyl- (2,21)- amine disulphonic acid-(7,71), 4-nitraniline acid --> 1-amino-8-naphthol-3,6-disulphonic acid and 41,21-dihydroxy-1,11-azobenzene-4-sulphonic acid.  Copper and chromium are specified metals.  The dyes colour p  animal, vegetable and synthetic fibres and may also be used to dye anodically oxidised aluminium.  Numerous examples are provided of the preparation of mono-, dis-and tris-azo dyes, and metal complexes thereof, and their use in various colouring processes. Specification 898,353 is referred to.
Patent GB-1373401-A (GB)
Title: Internal combustion engine air cleaners
IPC: F02M35/024
Filed: 1972-01-13
Abstract: 1373401 Air filter for I.C. engine GENERAL MOTORS Ltd 13 Jan 1972 [14 Jan 1971] 1837/71 Heading B1T The casing of an I.C. engine intake air filter comprises a lower moulded plastics shell 2, with an integral trough 3 forming the lower part of an intake tube, and a pressed metal cover 5, 6 whose periphery is crimped over a flange 8 on the shell and trough, the cover having an opening 9 through which a filter element 11 may be inserted. The opening 9 is closed by the upper end disc 15 of the filter element and by a metal or plastics plate 10, disc 15 making separate seals with the plate 10 and with cover 5, 6 and being exposed. The seals are made by the pressure exerted by plate 10, which is screwed to shell 2 at 26. The shell 2 and trough 3 may have integral connections 20, 21 for a crankcase breather and for an alternative hot air inlet, or these connections could be secured by adhesive or snap fastenings to the shell. The shell and trough may be compression moulded of glass-filled polyester or injection moulded of glass-filled nylon. Valve 22 in tube 4 is actuated by a diaphragm motor 25 to control proportions of warm and cold air drawn into the filter. Plate 10 is reinforced by internal and external ribs.
Patent GB-160995-A (GB)
Title: Improvements in or relating to permutation locks
IPC: E05B37/12
Filed: 1920-01-21
Abstract: 160,995. Segaloff, B. Jan. 21, 1920. Locks, permutation; locking sliding latches.- The latch-bolt 1 is blocked by a slider 3 having a number of projections 5, 6, capable of entering recesses 11 in permutation members 9 when properly set by means of external knobs mounted on spindles 12. The latch may then be withdrawn by the action of a follower on the handle spindle, or by a rack-and-pinion arrangement as shown. In this construction, a part 14, having inclined ends 18 to engage with projections 19 secured to the casing, is arranged to slide across the head of the blocking-bolt 3 when it is withdrawn, so as to bring projections 16 on the latchbolt into line with apertures on the part 14 and recesses 17, Fig. 5, in the blocking-bolt. The spindles 12, Fig. 7, carry pointers 25 which are clamped thereto by nuts 26, but can be freed by a tool and re-adjusted to vary the dial setting. The indicating-marks, which may be luminous, may be carried by a plate moving with the bolt 3, so that they are visible through apertures in the casing only when the lock is secured.
Patent GB-856833-A (GB)
Title: Process for cross linking polymeric compositions
IPC: B29C48/08
Filed: 1957-01-21
Abstract: A composition containing a polymer or copolymer of a mono-olefinic hydrocarbon, carbon black and a minor proportion of an organic peroxide selected from those containing the hydrogen peroxide group (-O-O-H) or those in which both oxygen atoms of the peroxy group (-O-O-) are joined to organic radicals, the organic peroxide having a boiling point above 200 DEG F. at atmospheric pressure, is subjected to the action of an electrical field alternating at a frequency in an excess of 2 megacycles per second for a length of time sufficient to effect cross-linking of the composition to the elevated temperature stable state, the carbon black and peroxide being present in an amount equal to at least 10% and 0,5% respectively of the weight of the polymer or copolymer.  The hydrocarbon may be ethylene, propylene, butylene or pentylene and the peroxide may be dicumyl peroxide, tertiary butyl perbenzoate or cumene hydroperoxide.
Patent GB-1487682-A (GB)
Title: Composite absorbent structures incorporating closed protuberances
IPC: A61F13/15
Filed: 1975-01-16
Abstract: 1487682 Towels; cleaning cloths PROCTER & GAMBLE CO 16 Jan 1975 [29 March 1974] 1959/75 Headings A4F and A4V [Also in Divisions A5 A6 B4 and B5] An absorbent structure, Fig. 2, for use as hand towels, dish towels, bed-pads, surgical dressings or diapers comprises a flexible substrate sheet 10, 11 having formed therein an arrangement of protuberances 13, each comprising a closed hollow cell extending on one surface of said substrate sheet, and hydrophilic absorbent material 14 disposed in the interstices between protuberances, whereby in use the protuberances prevent the absorbent material from being squashed by applied pressure thereby to prevent release of fluid by the structure or a reduction in the absorbent capacity thereof. The substrate sheet is a two-ply laminate comprising a backing member 10 and a protuberance forming member 11, the closed cells being formed between members 10 and 11. A second embodiment, Fig.3, (not shown), comprises a structure similar to that of Fig. 2, having a second protuberance forming member and further absorbent material 14 on the other surface of the backing member 10, the protuberances on each surface being relatively offset. A third embodiment, Fig. 4, similar to that of (Fig. 3) has the protuberances 13 on each surface aligned, and the backing member 10 is omitted. In a further embodiment, Fig. 6 (not shown), the protuberances are joined together by strands to increase the lateral stability of the structure. The protuberances may be of cylindrical, hourglass, or mushroom shape and may be arranged in rectangular, square, triangular or random patterns on the substrate. The protuberances may also be in the form of ribs extending the length of the structure. The protuberances may be underinflated to prevent a knobbly feel and may be filled with gases, liquids, foams, gels, fibres or mixtures thereof. The substrate sheet may be made of polyurethane, polyethylene, or ionomer, and the absorbent material may be made of a variety of artificial or natural materials or a mixture thereof.
Patent GB-1276638-A (GB)
Title: Epoxy resin compositions
Inventor: BARGAIN MICHEL
IPC: C08G59/40
Filed: 1971-01-14
Abstract: 1276638 Curing epoxy resins RHONEPOULENC SA 14 Jan 1971 [15 Jan 1970] 1963/71 Heading C3B A thermosetting composition comprises (I) an epoxy resin, (II) a polycarboxylic acid anhydride and (III) a N,N<SP>1</SP>-bis-imide of formula in which D is a divalent radical containing an ethylenic double bond and A is a divalent radical containing at least 2 carbon atoms. The ratio of (I) : (II) may be such that there are 0À4-1À5 anhydride groups per epoxy group. (III) may be present at 40-250% of the wt. of (I). (I) preferably contains at least 3 epoxy groups per molecule. (III) may be phthalic, maleic, tetra- or hexa-hydrophthalic, endomethylenetetrahydrophthalic, itaconic, dodecylsuccinic, trimellitic, pyromellitic, azophthalic, benzophenonetetracarboxylic, cyclopentanetetracarboxylic, 3,4,4<SP>1</SP>- benzophenonetricarboxylic or benzoylpyromellitic anhydride. Examples of (III) are N,N<SP>1</SP>- 4,4<SP>1</SP>-diphenylmethane-bis-maleimide and N,N<SP>1</SP>- 4,4-diphenylether-bis-maleimide. The compositions may also comprise an accelerator, e.g. a tertiary amine. The compositions may be prepared by heating (I), (II) and (III) together at 50-200‹ C. until a homogeneous liquid is obtained. The compositions may be cured at 150-300‹ C. Uses.-Adhesives, coatings and castings.
Patent GB-1248311-A (GB)
Title: Removing projections from the inside of tubes
Inventor: BROWN WILLIAM JAMES
IPC: B24B5/40
Filed: 1969-01-13
Abstract: 1,248,311. Grinding. A.P.V. CO. Ltd. 6 Jan., 1970 [13 Jan., 1969], No. 1990/69. Heading B3D. A device for removing projections, such as weld flash, from the inside of a tube 7 comprises a rotor 4, means 18 for rotatably mounting the rotor coaxially within the tube, one or more abrasive elements 14 mounted on the rotor so as to be movable in a radial direction, and resilient means 12 biasing the element or elements towards the axis of the rotor against centrifugal force, and controlling the distance of the element or elements from the axis when the rotor is rotated. As described, the elements are in the form of abrasive pebbles 14 mounted on cups 15 formed with stems 16 radially guided in the rotor 4. The cups are rigidly connected to leafsprings 12 having their ends secured to the rotor by caps 13, the springs urging the abrasive pebbles towards the axis of the rotor. The device is supported in the tube by a pair of seals 18 which are rotatably mounted on the device and act as bearings therefor, the seals containing cutting fluid which is supplied from absorbent material in an annular cup 17 during rotation of the device. A shaft 3, which is adjustable in length by being telescopic or having removable or additional sections is connected to the device and supported by discs 6 in the tube. The outer end of the shaft is connected to the chuck 2 of a variable speed electric motor 1 carried by a plate 19 reciprocated along guides 21 by a crankdrive 28 from a motor 29. The speed of the motor is adjusted so that the centrifugal force acting on the pebbles against the springs 12 causes the pebbles just to engage the tube. The motors are driven intermittently under the control of a timing device 30 to allow cutting fluid to flow to the pebbles. In another embodiment, the cutting fluid is disposed in an-annular reservoir in the device. The tube may be cooled externally by fitting a reservoir of cooling liquid around the tube.