baber/WOPTO huggingface dataset:
Patent GB-910557-A (GB)
Title: Improvements in or relating to rotary duplicating apparatus
Inventor: GUTTERIDGE MANCELL JOHN
IPC: B41L13/04
Filed: 1958-01-22
Abstract: 910,557. Stencilling apparatus. GUTTERIDGE SAMPSON Ltd. Jan. 22, 1959 [Jan. 22, 1958], No. 2224/58. Class 100 (2). A rotary duplicating apparatus comprises a frame, a cylinder arranged to carry a stencil and rotatably mounted in the frame, a sheet carrier pivotally secured to the frame and comprising a flat tray spaced from the cylinder so that a sheet of paper supported by the tray is unsupported at that end adjacent the cylinder, and means to bring the cylinder, when the apparatus stands idle, into a predetermined angular position relatively to the sheet carrier. A stencil is secured round a cylinder 10, Figs. 1 and 2, rotatable in a frame 11 having a handle 9. A sheet carrier comprises a tray 21 having lugs 20 pivoted by pins 19 to the frame. A pressed-out area 22 at each end of the frame 11 engages the lugs to allow the tray about 70 degrees of rotation. The tray has an extension 25 with a lip 26, to vary its effective length. A scale 31 facilitates setting of the extension according to the length of a copy sheet, and a pointer 28 on a slidable lip 27 indicates the desired position of the edge of the sheet. A weighted rod 18 on a spring returns the cylinder to its initial position when running free. In operation, the tray 21 is placed on a cable with a sheet against the lip 26 and extending beyond the tray beneath the cylinder. The cylinder is moved down against the sheet and table, pivoting the apparatus about the end of the tray, which is swung up away from the table. The cylinder is then rolled over the sheet along the table.
Patent GB-447514-A (GB)
Title: Manufacture of n-nitramines of nuclear halogenated primary aromatic amines
Filed: 1935-01-23
Abstract: N-nitramines of nuclear-halogenated primary amines of the benzene series are obtained by oxidation of the diazo compounds in a medium containing about 5 per cent of free sodium hydroxide or an equivalent proportion of another caustic alkali.  According to examples, 2 : 5-dichloraniline hydrochloride is converted into the diazo compound, made alkaline, and oxidized with sodium hypochlorite to give 2 : 5-dichlorophenylnitramine; the diazo compounds of m-chloraniline, 4-chloro-o-anisidine, 4-chloro-o-toluidine and 5-chloro-o-toluidine may be similarly converted into the nitramines.
Patent GB-245609-A (GB)
Title: Improvements in speed reducing gearing
IPC: F16H1/20
Filed: 1925-01-26
Abstract: 245,609. McLeod, R. J., Marsden, C., and Power Plant Co., Ltd. Jan. 26, 1925. Toothed gearing.-In double reduction helical gearing, the first reduction wheel b has journals e turning within the members c, c<1> of the second reduction pinion and is secured to a flexible shaft d connected by pin couplings g, g<1> allowing relative axial movement to the members c, c<1>. Bolts f connect the inner ends of the pinion members, which engage with rotary freedom slots in the web of the wheel b. A flexible shaft may drive the first reduction pinion a.
Patent GB-873389-A (GB)
Title: Improvements in or relating to the production of photographic emulsions
Inventor: CHAPMAN KENNETH HAZEL
IPC: G03C1/015
Filed: 1959-01-21
Abstract: 873,389. Photographic emulsions. ILFORD Ltd. Jan. 15, 1960 [Jan. 21, 1959], No. 2298/59. Class 98(2) Photographic silver halide emulsions are prepared by forming a silver halide dispersion in aqueous gelatin, adding a water-soluble salt of aluminium or lanthanum to precipitate the silver halide, and re-dispersing the precipitate in an aqueous medium which may contain gelatin. The precipitate may be washed before re-dispersion. The re-dispersion is assisted by the addition of oxalic, malonic, succinic, glutaric, glycollic, malic, tartaric, citric, mucic or methoxy acetic acid or a water-soluble salt thereof. In the examples, the silver halide is precipitated from the aqueous gelatin dispersion by adding an aqueous solution of lanthanum nitrate or potassium alum. In example 5, the silver halide is formed initially from water-soluble halides containing a small proportion of rhodium trichloride. According to the Provisional Specification, a salt of yttrium may be used for the precipitation of the silver halide. U.S.A. Specification 1,844,716 is referred to.
Patent GB-244606-A (GB)
Title: Improvements in cementing together plies or layers of wood and other material
IPC: B27K3/52
Filed: 1925-01-26
Abstract: A synthetic resin glue, used for cementing together plies of wood &c., is obtained by heating together commercial carbolic or cresylic acid with formaldehyde solution and a small quantity of soda, borax or other salt of a strong base and weak acid; the product is neutralized with ammonia.
Patent GB-534544-A (GB)
Title: Improvements in or relating to means for preventing the freezing of water in domestic and other water systems
IPC: F16L53/32
Filed: 1940-02-06
Abstract: 534,544. Domestic hot-water supply systems. HOLDEN, F. H. Feb. 6, 1940, No. 2327. [Class 64 (i)] To prevent freezing in a cold water storage tank 10, hot water is admitted from the expansion pipe through a valve 12 which is so controlled by a thermalily sensitive element 18 that the valve is opened when the water in the tank falls to a pre-determined low level.
Patent GB-608783-A (GB)
Title: Improvements in or relating to machines for milling, grinding and drilling metal and other articles
IPC: B23Q1/54
Filed: 1946-01-24
Abstract: 608,783. Drilling and mixing machines. SAGAR & CO., Ltd., J., and SAGAR, J. G. .Tan. 24, 1946, No. 2349. [Class 83 (iii)] [Also in Group XXIII] A machine for milling, drilling, &c. comprises a rotary cutter mounted on a spindle which is adjustable vertically and horizontally and angularly about a vertical axis, and a work-holder adjustable vertically and horizontally and angularly about a horizontal axis, and also tiltable in a vertical plane relatively to the cutter. The cutter-spindle i, driven by a motor j, is rotatably mounted on an arcuate guideway indicated at g in a slide f which is carried in guideways on a holder e which is rotatably mounted on a cross-slide d. The cross-slide d is mounted on a slide c adjustable on a knee b which slides vertically on guides a<SP>1</SP>, adjustment being measured by gaugepoints b<SP>2</SP>, b<SP>3</SP>. The work-table n is adjustable horizontally and vertically on a face-plate p and guides o<SP>2</SP> which are rotated by a wheel o either manually or by power. Indexing means indicated at m<SP>2</SP> are provided. The worktable assembly is mounted on a member m which is adjustable along arcuate guideways a<SP>2</SP>.
Patent GB-592197-A (GB)
Title: Improvements in soles for foot-wear repairs
IPC: A43B13/28
Filed: 1945-01-30
Abstract: 592,197. Repair soles for footwear. ABRAHAMS, J. Jan. 30, 1945, No. 2392. [Class 17 (ii)] Repair soles a for footwear have portions projecting from their inner faces at localities b, c where greatest wear normally occurs. The projecting portions are of various sizes and shapes to complement the worn portion and obviate or reduce levelling of the sole before the repair sole is applied. Specifications 138,797, [Class 17 (ii)], and 114,341, [Class 17 (iii)], are referred to.
Patent GB-1212083-A (GB)
Title: Thermoplastic polymeric compositions
IPC: C08L51/06
Filed: 1968-01-16
Abstract: 1,212,083. Vinyl chloride graft polymer compositions. MONTECATINI EDISON S.p.A. 16 Jan., 1963 [17 Jan., 1967], No. 2412/68. Heading C3G. A composition contains (a) at least one polymer and/or copolymer of vinyl chloride having a viscosity of from 0À20 to 0.35 as measured in cyclohexanone at a concentration of 0.40% w/v at 25‹ C.; (b) at least one afterchlorinated polymer and/or copolymer of vinyl chloride; and (c) at least one polymer which has been obtained by grafting vinyl chloride on to a halogenated polyolefin, the components (b) and (c) being respectively present in quantities of from 5 to 500, and from 0.5 to 250 parts by weight per 100 parts of component (a). In the example, the composition comprises (a) polyvinyl chloride, (b) part chlorinated polyvinyl chloride, and (c) chlorinated polyethylene grafted with vinyl chloride.
Patent GB-1058783-A (GB)
Title: Embossed metallised plastic
Inventor: WEST RICHARD EDWARD
IPC: B29C51/14
Filed: 1965-01-20
Abstract: 1,058,783. Vacuum embossing. J. E. SLATER Ltd. Oct. 1, 1965 [Jan. 20, 1965], No. 2417/65. Heading B5A. [Also in Division B6] A metallized plastics, e.g. polyvinyl chloride. sheet is vacuum moulded to give the non- metallized surface a raised pattern. The sheet may be sprayed or printed with a lacquer before or after moulding, e.g. a cellulose lacquer, and the surface wiped to produce a two-tone finish. After moulding, the sheet is cut to the shape desired for the product. The mould may be of wood, brass, aluminium, synthetic stone, glass fibre, epoxy or polyester resin.
Patent GB-328046-A (GB)
Title: An improved junction box for electric cables
IPC: H02G3/08
Filed: 1929-01-24
Abstract: 328,046. Siemens Bros. & Co., Ltd., and Craufurd, W. M. Jan. 24, 1929. Right to Patent relinquished. Junction boxes.-The base 1 of a junction box or ceiling-rose is moulded with a central opening 2 through which the leads enter and a rim 3 on the underside of the base having thinned portions 7 that can be broken away to various widths defined by notches to admit the leads. The terminals 5 are moulded into the base 1. The cover 8 that screws on the base has a thin centre portion 10 that can be broken away when the device is to be used as a ceiling-rose.
Patent GB-524227-A (GB)
Title: Improvements in and relating to pre-cast products
IPC: C04B28/10
Filed: 1939-01-24
Abstract: 524,227. Cement-rubber compositions. SHEPHERD'S INDUSTRIES, Ltd., and STEVENS, W. H. Jan. 24, 1939, No. 2485. [Class 70] In cement-rubber compositions particularly for forming tiles, block, pipes or other cast products, a proportion up to one-third of the cement constituent consists of aluminous cement and the remainder of Portland or other hydraulic cement. Aggregates such as sand, fillers such as granulated cork, oils, wax emulsions or solvents may be added. Natural or artificial dispersions of rubber, guttapercha or balata or dispersions of synthetic rubber substitutes may be used, and dispersions of waxes, resins &c. may be added.
Patent GB-145370-A (GB)
Title: Bicycle lock
IPC: B62H5/06
Filed: 1920-01-27
Abstract: 145,370. Viersen, J. H. van. Jan. 27, 1920. Guarding against unauthorized use.-A cycle lock is secured to the upper frame tube 1 of a bicycle and to the crown by straps 4, 5, 6 and has a bolt 8 with a locking-pin 9 pressed out from the bolt by the spring 10. The bolt is shot by the knob 22 and is locked in its forward position by the ball 11. When any attempt is made to steer the cycle, the pin 9 is thrown by the spring 10 into the hole 17 in the inner steering-tube. The pin cannot be reached from outside and can only be retracted with the bolt 8 when the disks 12, 13 are turned to enable the ball 11 to drop into the recesses 14, 15 and the bolt is moved by the spring) 16. The disks 12. 13 may be turned by means of knobs arranged with letterlock markings.
Patent GB-737380-A (GB)
Title: Improvements relating to pallets or the like
Inventor: KETELBEY FREDERICK GEORGE
IPC: B65D19/38
Filed: 1952-02-29
Abstract: 737,380. Folding box pallets for handling loads. M.G.K. ENGINEERING CO., Ltd. May 28, 1953 [Feb. 29, 1952], No. 2583/52. Class 78 (4). The posts 16 by which a pallet supports a superposed pallet in a stack may, after suitable locking devices have been released, be folded to lie adjacent the plane of the platform of the pallet. In this position the feet 17 do not extend below the platform. As illustrated, the feet 17 are flared to take over similar posts on a pallet below and are hinged to a bracket 14 welded to the platform so that, when toggle struts 20 have been broken, the posts may be folded. The posts are of angle section and when folded embrace angle sections 10 forming the sides of the platform. Further angle sections 11, 12 join the side members 10 and the platform is covered in by wire mesh (not shown). The toggle struts 20 lie within the thickness of the pallet when folded. Members 18 joining the legs 17 rest on the upper ends of the posts 16 of a similar pallet below in a stack.
Patent GB-413036-A (GB)
Title: Improvements in or relating to casement, fanlight or like windows
IPC: E06B3/50
Filed: 1933-01-27
Abstract: 413,036. Windows. MELLOWES & CO., Ltd., and BROWN, W., Eclipse Works, Corporation Street, Sheffield. Jan. 27, 1933, Nos. 2594 and 9423. [Class 20 (iii).] One edge of a casement, fanlight, or like window, and a constraining-link, are pivoted to blocks adapted to slide in channelled parts of the frame, means being provided for anchoring either the sash-blocks or the link-blocks so that, in the latter case, the exterior glazing may be exposed to the interior of the room. As shown, the end members 24, 25 of the sash are pivoted by pins 28 on blocks 29 fitting the channelled frame-members 20, 21. Links 31, 36 are pivoted to the sash and to blocks 35, also slidable along the frame-members 20, 21. Figs. 2 and 3 show respectively open positions of the window when the link-blocks and sash-blocks are anchored. Fig. 9 shows means for selectively determining the manner of opening comprising a rocking-lever 45 pivoted at 46 on a casing 47 and having arms 48, 50 to form abutments for lugs 49, 51 on the blocks 29 and 35 respectively. A knob 52 is fitted to the lever 45 and the upper lever may be simultaneously operated by a dog on a vertical spindle 55. The lever device may be replaced by spring-controlled plungers, setscrews, or the like. Anti-friction devices, such as balls or rollers, may be fitted between the blocks and the framing; and, to assist in holding the window in its adjusted positions, friction devices such as fibre washers or springs may be fitted at the link-pivots.
Patent GB-1024043-A (GB)
Title: Production of metals or alloys from ores
Inventor: ROBIETTE ALFRED GORDON EVANS
IPC: C22B5/04
Filed: 1962-01-24
Abstract: <PICT:1024043/C6-C7/1> A metal e.g. Fe, Sn, Zn, Ni or Cu or an alloy e.g. Fe-Mn/Cr/Si, Fe-Si-Al/Cr/Mn is produced from ore e.g. chrome ore by introducing pellets or briquettes of a finely divided mixture of ore (metal carbonates, silicates, hydroxides, oxides) and medium to strongly coking coal (swelling index between 3 and 9), with or without flux e.g. silica, into at least one chamber, e.g. a charging hopper 19, in the upper part of an electric arc furnace 10 to pre-heat them e.g. to between 900 and 1400  DEG C. and partially reduce the ore therein in the solid state by heat produced by combustion of at least part of the furnace gas (CO with H2) resulting from the final reduction of the ore to liquid metal or alloy 22 in the lower part of the furnace, the coal being carbonized in this chamber or in a previous operation e.g. by heating the pellets or briquettes at between 500 and 800  DEG C. in a rotary kiln or on a chain grate to form a cellular coked structure, and passing the preheated, carbonized and partially reduced pellets or briquettes into the lower part of the furnace. Pellets of 1/2 to 3/4 inch diameter may be formed by adding moisture or a binder e.g. bentonite to the mixture.  The proportion of coal in the pellets or briquettes may be such that after carbonization there will be sufficient residual carbon to complete the reduction of the ore and provide any requisite amount of carbon in the resulting alloy.  Additional coal, ore and/or flux may be charged direct to the furnace.  External heat to the chamber may be supplied from oil, gas or pulverized coal, air for combustion, being discharged into the upper part of the furnace e.g. below the hopper through one or more tuyeres 20.
Patent GB-829851-A (GB)
Title: A process for the catalytic desulphurization of heavy sulhpur-containing hydrocarbonoil fractions
IPC: C10G45/02
Filed: 1958-01-27
Abstract: A process for the desulphurization of a heavy hydrocarbon oil fraction, of which at least 90% volume boils above 300 DEG  C. and not more than 20% volume boils above 500 DEG  C., comprises allowing the fraction, while at least partly liquid, to flow downwardly at 10 to 100 atmospheres and 300-500 DEG  C. over a fixed catalyst comprising at least one metal or compound thereof from each of Group VI and VIII in the presence of an added auxiliary hydrocarbon oil of lower boiling range which contains at least 0.05% wt. of sulphur and in the presence of an excess of a gas containing a major proportion of hydrogen such that after cooling and removing H2S from the exit gases of the process there remains at least 50 litres gas/Kg. total oil (S.T.P.).  The heavy oil and the auxiliary oil may subsequently be separated by distillation with or without vacuum and/or the addition of steam. The treated oil may be obtained by the straight, vacuum, or steam distillation of crude oil which may have been previously dewaxed, deasphalted or extracted.  Auxiliary oils mentioned are kerosine and gasoline.  They may be straight-run distillates or obtained by applying one or more physical, thermal or catalytic treatments to such a distillate and redistilling.  Equal weights of heavy and auxiliary oils may be used.  The boiling range of the auxiliary fraction may adjoin or slightly overlap that of the heavy fraction but it is preferably distinctly lower.  The preferred catalysts comprise nickel and/or cobalt plus molybdenum and/or tungsten on alumina, the elements being present as metals and/or compounds with one another and/or oxygen and sulphur, particularly 5-15 wt. per cent of cobalt and molybdenum (as metals and/or compounds with each other and/or one or more of the element oxygen, sulphur and aluminium) on alumina wherein the atomic ratio Co : Mo is between 1 : 20 and 18 : 20.  The hydrofining is operated by the trickle process wherein the liquid portion of the oil flows in a thin film over a fixed bed of catalyst.  The hydrogen-containing gas may be a mixture of hydrogen and light hydrocarbons and usually contains at least 60 volume per cent, preferably more than 80, of hydrogen. It may be passed in counter-current or parallel flow with the liquid oil and may be recycled after removal of H2S.  In an example equal weights of a 350-484 DEG  C. (I.B.P. to 80%) paraffinic lube oil and a 187-261 DEG  C. kerosine are hydrofined at 50 kg/cg. cm. and 385 DEG  C. at a space velocity of 1 kg/l/hr. and a H2 rate of 285 l/kg. Specifications 657,521 and 665,575 are referred to.
Patent GB-1441612-A (GB)
Title: Method of making photographic silver halide materials
IPC: G03C1/005
Filed: 1973-01-18
Abstract: 1441612 Internally-sensitive photographic silver halide emulsions KODAK Ltd 18 Jan 1974 [18 Jan 1973 29 March 1973] 2687/73 Heading G2C Photographic silver halide emulsions having internal sensitivity are made by laying down further silver halide on to the grains of a surface sensitive or surface fogged silver halide emulsion by making alternate additions of silver ions and halide ions. Thereto such that alternate excesses of silver and halide ions are produced in the emulsion. Depending on the number of cycles of alternate excesses of silver and halide ion, the emulsions may show some surface and some internal sensitivity or only internal sensitivity, the latter requiring 7-20 cycles. The desensitizing effect of certain optically sensitizing dyes on the original emulsion is reduced or eliminated by the layer of further silver halide laid down. The internally sensitive silver halide emulsions obtained as above give direct positive images on image-wise exposure and development with a fogging developer.
Patent GB-937369-A (GB)
Title: The separation of aromatic hydrocarbons from mixtures containing the same
IPC: C07C7/10
Filed: 1962-01-24
Abstract: <PICT:0937369/III/1> Aromatic hydrocarbons are separated from non-aromatic hydrocarbons by a liquid-liquid countercurrent solvent extraction at 10 DEG -40 DEG C. with aqueous N-methylpyrrolidone containing 5-25% by volume of water (based on the total volume) and employing as countersolvent a paraffinic hydrocarbon fraction boiling below 60 DEG C., the volume of solvent being 4-8 times and the volume of countersolvent 0,2-0,8 times that of the introduced hydrocarbons. The hydrocarbons are hydrodesulphurised at 2 and a BTX fraction separated in still 3.  This is introduced into extraction system 7 containing 20-30 theoretical stages at the 8-18th stage by line 4. The solvent enters at the first stage by line 11 and the countersolvent at the last by line 18.  Raffinate and countersolvent are separated in still 12, the countersolvent being recycled by line 14.  The extract is distilled in still 10 to recover solvent for recycle by line 11.  The aromatics are separated in stills 17 and 22 into benzene (line 20) and toluene (line 24) and intermediate fractions containing olefins recycled to the extraction by line 18 or 26.  Part of the extract may be recycled direct by line 15.
Patent GB-559473-A (GB)
Title: Improvements in or relating to selenium electric rectifiers
IPC: H01L25/07
Filed: 1943-02-19
Abstract: 559,473. Asymmetrically conducting resistances. STANDARD TELEPHONES & CABLES, Ltd. Feb. 19, 1943, No. 2782. Convention date, April 3, 1942. [Class 37] A waterproof assembly for rectifier elements comprises a selenium coated disc 1, a rubber &c. ring 4 around its edge and a springy disc 6 so shaped that when compressed, as by a central bolt, washer 10 seats on disc 1, the edge fits tightly over the ring 4, and the plate 6 lies in contact over the whole surface of the counterelectrode on the selenium layer 2. Additional selenium coated discs &c. may be added as at 1a.
Patent GB-922473-A (GB)
Title: Apparatus for cleaning textile machines
IPC: D01H11/00
Filed: 1960-01-26
Abstract: 922,473. Cleaning spinning-machines. AMERICAN MONORAIL CO. Jan. 26, 1960 [Feb. 4, 1959], No. 2791/60. Class 120 (3). Cleaning apparatus for one, or a row of, spinning-machines comprises an overhead track 5 on which runs a carriage 7 supporting a casing 15 for a fan 13 communicating with high- and low-pressure conduits 19 and 20 from which extend one or more tubes 21 and 25 provided with one or more outlets 22 and inlets 26 for directing air streams towards the machine(s) to remove lint therefrom and through which air and lint are drawn by suction, and screen(s) 30 disposed between the inlet(s) and the fan for removing lint from air flowing in the lowpressure conduit. Hinged doors 31 carrying cups 32 for collecting dislodged fibres enable the screens to be periodically cleaned. A modified casing 35, Figs. 5 and 7, comprises main walls 36, 37, 38, conduits 40, 41, and partitions 42, 43, defining a fan chamber 45, vacuum chamber 46, and passages 47, 48, leading to blowing and suction conduits 41, 40, the latter incorporating a filter screen 51 and clean-out door 50. In another modification of casing and conduits, Figs. 8-10 (not shown), the velocity of air flow is adjustable by dampers. In a further modification, Fig. 13, the suction system includes tubes 130 extending from casing 129 and provided with inlet nozzles or pipes 131, 132, 133. Two fans 142, Fig. 14, rotating about a horizontal axis may be disposed on opposite sides of the machine and lead to outlet and inlet tubes 146 and 145 incorporating screens 150. As shown in Fig. 18, suction tube 160 comprises an extension 161 hinged at 162 and having at its trailing edge a flexible wear strip 163. A flexible sleeve 165 prevents air leaking into tube 160. Specifications 899,200 and 922,472 are referred to.