baber/WOPTO huggingface dataset:
Patent GB-404345-A (GB)
Title: Improvements in or relating to electric communication cables
IPC: H01B11/08
Filed: 1932-07-14
Abstract: 404,345. Cables. STANDARD TELEPHONES & CABLES, Ltd., and STEVENS, S. G., Connaught House, Aldwych, London. July 14, 1932, No. 19936. [Class 36.] To prevent voltage breakdown between the metal outer sheath and the conductors in the outer layer of a telephone cable comprising a core containing a plurality of insulated conductors, due to voltages induced in the conductors from external sources, an electrically conducting screen is disposed between the core and the sheath and is insulated from the sheath to withstand high voltages. The screen may be of metallized paper tapes or of copper tapes or wires. In the construction shown, a telephone cable having conductors CP arranged in concentric layers within a metal sheath CS has a conducting screen A applied over the outer layer of conductors and spaced from the sheath CS by insulation IS. To facilitate balancing of the conductors, further insulated screens B, which are bonded together, may be arranged between adjacent conductor layers.
Patent GB-147887-A (GB)
Title: Improvements in and relating to rope, cord or belt drives
IPC: F16H7/00
Filed: 1920-07-09
Abstract: 147,887. Colsman, W. July 9, 1920. Belt and rope gearing; endless bands in multiple coils; tensioning and guiding arrangements. -In belt, rope, wire, &c. gearing, the belt &c. passes over one or each pulley twice or more and over one or more idler pulleys between each pair of such passages, means being provided for shifting the idler pulleys for tensioning. In the form shown in Fig. 2, the belt 3 makes one turn a about the pulley 1, passes respectively over and under idler pulleys 4 turning on pivots 4', makes a second turn b round the pulley 1 and passes to the second driving-puiley. The idlers 4, Fig. 4, are arranged on opposite sides of the main shaft and may be arranged within or exterior to the lines of belting joining the main pulleys. As shown in Fig. 6, the idlers 4 are arranged parallel to the main pulleys, the belt 3 passing in open, as shown, or crossed manner around the idlers. The Specification as open to inspection under Sect. 91 (3) (a) comprises also the following matter. The idlers 4, 5, Fig. 11 (Cancelled), are exterior to the lines of belting and arranged in a plane midway between the planes of the turns a., b, being so placed that either a third idler 6 is required or the belt engages a third groove in the pulley 1 or the belt joining the pulleys 4, 5 falls outside the pulley 1. Tensioning-means may be applied to any of the arrangements described or to the arrangement shown in Fig. 15 (Cancelled), in which single idler pulleys 4, 4<11> are carried by pivoted arms 5, 5<1> connected by a bar 7 on which is arranged a spring 10, in modifications the bar carrying screw or cam means for manual adjustment of the tension. A stop 11 limits oscillation. In the form shown in Fig. 19 (Cancelled), a single idler pulley 4 is used for both main pulleys 1, 2 and is carried in a slotted arm arranged at right-angles or parallel to the line of centres. The tension is altered by swinging the arm, if desired under spring control, and by adjusting the pulley 4 in its slot. This subject-matter does not appear in the Specification as accepted.
Patent GB-1130447-A (GB)
Title: Improved ball joint assembly and method and apparatus for making it
IPC: F16C11/06
Filed: 1966-05-05
Abstract: 1,130,447. Jointing by forging. SUPERIOR BALL JOINT CORP. 5 May, 1966 [16 Aug., 1965], No. 19940/66. Heading B3H. [Also in Division E2] A coining apparatus for fabricating a ball joint assembly comprises a base-plate 70 having two pairs of upstanding lugs 72 and 74, between which two steel punch members 76 and 78 are hingedly secured to be swung, by plungers 110 and 112, between a closed position and an open position (76a and 78a). The facing ends of the punch members have semi-cylindrical recesses 84 and 86 coaxial about the axis 85, which are bounded at their upper edges by shoulders 88 extending into punch edges 92 and 94. A matrix block 96 having two parallel sides 98 defining a longitudinal nest 97, is secured to the upper face of punch member 78 by a bolt 101. A cylindrical backing block 100, having a cylindrical bore 104 coaxial with the axis 85, is secured in a socket 102 in the base-plate by a bolt 103, and carries a helical compression spring 105 and a sliding centring sleeve 107 coaxially within the bore. A ram 114 having a semicylindrical cavity 116 is operatively situated above the punch members for downwards movement along the axis 85; the ram may have depending flanges 134 which bottom on the punch blocks to limit the descending movements of the ram. The ball joint assembly, comprising an elongated flat sided body 36 carrying a ball with a ball stud 26 and shank 20, in a socket which opens through the flat side (see Divisions E1-E2), is situated in the apparatus as shown, with the punch edges concentric with and adjacent to the socket opening, so that descent of the ram forces the body member 36 against the punch edges to produce arcuate indentations and coin the body material inwardly against the ball.
Patent GB-637322-A (GB)
Title: Improvements in or relating to rotary brushes
IPC: A46B13/00
Filed: 1947-07-24
Abstract: 637,322. Fixing bristles ; rotary brushes ; buffing wheels. OSBORN MANUFACTURING CO. July 24, 1947, No. 19969. Convention date, June 26, 1939. [Classes 19 and 60] Brush material such as bristles or buffing cloth is secured in an annular rotary brush section by placing such material between two concentrically arranged rings of different diameters and lessening the inner diameter of the ring of greater diameter or expanding the outer diameter of the ring of lesser diameter, or by forming indentations in the inner periphery of the ring of lesser diameter, said indentations causing protuberances on the outer periphery of said ring, so as to reduce in each case the space available for the brush material. In the form shown in Fig. 1 and 3, brush material 1 is placed between a sheetmetal brush back 2 and retaining ring 3 and the edges of the brush back are then outwardly flared and then compressed to form side walls 4 and 5, Fig. 3. During this compression the retaining ring 3 is formed to a smoothly rounded surface 7 along its inner periphery and the inner diameter is thus contracted thereby exerting pressure on the brush material. During this forming operation the brush back 2 will be solidly supported on a mandrel (not shown), whereby its inner diameter is retained unchanged. If desired the brush material may be further secured by adhesive. To ensure that the brush material does not move circumferentially within the brush section and to reinforce the sides 4, 5 of the brush back indentations 8, Fig. 5, may be impressed in the outer sides of the brush back. Indentations may also be applied to the central part of the inner surface of the ring 2 and indentations may also be formed on the inner periphery of the ring 3. As shown in Fig. 10, indentations 11 are formed in the outer surface of the ring 2 and then with the brush material in place the embossed portions on the inner surface of the ring 2 may be re-shaped or flattened to expand the inner ring and secure the brush material. The brush sections may be built up into a rotary brush and to avoid any differences in bristle density each section is bent along a diameter as shown in Fig. 8, so that the two halves of the section lie in slightly different planes. The brush material of the sections is in close lateral contact to present a continuous brushing surface.
Patent GB-464274-A (GB)
Title: Improvements in resistances having negative temperature coefficients
Filed: 1935-07-12
Abstract: A resistance having a high negative temperature coefficient is produced by mixing one or more of the following, (a) titanium dioxide, (b) niobium pentoxide, (c) vanadium pentoxide with a good insulating oxide such as an alkaline earth oxide, e.g. magnesium oxide which is not decomposed by heat, moulding and then heating in a non-oxidizing or reducing atmosphere so that the higher oxides of titanium, niobium and vanadium are transformed into their lower conducting oxides.  The mixture may be burnt in an oxygen containing atmosphere prior to heating in a reducing atmosphere such as hydrogen.  In a modification niobium trioxide and/or vanadium trioxide may be mixed with one or more trivalent insulating oxides such as aluminium oxide or chromium oxide and burnt in a reducing atmosphere at 1600 DEG  C. or more.  The Specification as open to inspection under Sect. 91 disclosed the use, in lieu of titanium oxide, of oxides of copper, zinc, eadmium, tin lead, iron and cobalt. Alternatively in lieu of oxides sulphides selenides or tellurides were proposed.  This subject-matter does not appear in the Specification as accepted.
Patent GB-686040-A (GB)
Title: Improvements in and relating to magnetic cores
IPC: H01F41/02
Filed: 1950-08-14
Abstract: 686,040. Transformers and inductors. BRITISH THOMSON-HOUSTON CO., Ltd. Aug. 14, 1950 [Aug. 20, 1949], No. 20138/50. Class 38 (ii). A magnetic core comprises one or a pair of complete loops of radially nested flatwise bent laminations 7 ... 7<SP>11</SP>, 9 ... 9<SP>11</SP> with overlapping ends, the transversely aligned areas 8, 10 of overlap of each alternate lamination being circumferentially spaced by a distance 11 such that one end of one lamination butts against the opposite end of the alternate lamination to provide a joint in which through no transverse plane, e.g. 14, is there less than 100 per cent magnetic material and more than one and one-half times the radial thickness of the core.
Patent GB-296185-A (GB)
Title: Improvements in or relating to shock-absorbing transmission devices suitable for motor-cycles
IPC: F16D7/02
Filed: 1927-07-30
Abstract: 296,185. Collier & Sons, Ltd., H., and Collier, H. A. July 30, 1927. Securing together machine elements for transmitting rotary motion.-In motor-cycles &c. of, the kind in which a driving sprocket-wheel c resiliently drives side plates d, e through rubber blocks c<2> engaging steel blocks f<1> secured to the plates, frictional vibration-damping means are employed. Compressed rubber pads a or the equivalent inserted in the wheel c press red fibre caps b against the plates. Alternatively, pads faced with fibre may lie in shallow recesses in the wheel faces, or the wheel may be faced on one or both sides with thin discs of fibre-capped rubber.
Patent GB-1495325-A (GB)
Title: Carbon monitor
IPC: G01N33/00
Filed: 1975-05-14
Abstract: 1495325 Measuring the solid carbon content of a gas BRITISH PETROLEUM CO Ltd 28 April 1976 [14 May 1975] 20318/75 Heading G1N The invention relates to a method of and an apparatus for determining the solid carbon content of gases. The method comprises taking a sample of gas, splitting it into two streams as in branches 3, 4, subjecting one stream to combustion conditions above the ignition temperature of particulate carbon and the other stream to combustion conditions below the ignition temperature of particulate carbon in separate cyclone chambers 6, 7, passing the emergent gases from the respective cyclone chambers 6, 7 through means for recovering solid particles e.g. glass-wool filters and comparing the thermal conductivity of the respective streams in a detector 13. The detector may be a microkatharometer as in United Kingdom specification No 1024869. Oxygen or air may be added to the sample gas before the splitting to improve the combustion of the carbon. The first material combustion conditions include a temperature between 850 and 1,000‹C and the second mentioned a temperature of about 200‹C. An electrically heated furnace 14 surround the cyclone chambers 6, 7. The cyclone chamber 7, 8 are hopper shaped enabling accumulated ash to be blown out through valves 9, 10 by a flow of air. Valves 16, 17 are provided for adjustment of gas flow-rates. Cyclone 5, the branches to detector 13 and the connecting conduits from manifold 15 to a pump 20 are surrounded by traup to maintain desired temperature.
Patent GB-390039-A (GB)
Title: Sound absorbing material
IPC: E04B1/74
Filed: 1932-07-18
Abstract: 390,039. Nonconducting coverings for sound. THOMSON, G. M., Caledonia, Ontario, Canada. July 18, 1932, No. 20342. [Class 64 (ii).] A sound-absorbing sheet material comprises interfitting wedge-shaped or double-wedgeshaped cells formed from a stack of flexible strips 1, such as asbestos paper, connected to adjacent strips at points 2, 3 and expanded in a direction transverse to the strips. The apertures face the sound waves and may be varied in width before fixing the strips on to a backing member. In a modification, zig-zag strips may be used to form single wedge-shaped apertures. The strips may also be composed of fibrous sheet material or thin metal.
Patent GB-391098-A (GB)
Title: Improvements in and relating to the production of multicoloured images
IPC: G03C7/25
Filed: 1931-07-15
Abstract: 391,098. Colour photography. SYNCOMEX STUDIEN- & FINANZIERUNGSGES., 18, Kappelergasse, Zurich, Switzerland. July 15, 1931, No. 20344. Convention date, July 16, 1930. Void [Published under Sect. 91 of the Acts]. [Class 98 (ii).] In the production of multi-colour photographs by the imbibition printing method the individual reliefs for the production of the singly coloured components are graduated individually and relatively one to the other. Details regarding the paper printed, and the printing operation are also included. (1) The initial plates from which the reliefs are made may have varying proportions of light-absorbing colouring materials, the proportions being determined in dependence upon the gradation desired. (2) Strongly hardened gelatin reliefs are used, and colouring materials which can be used in low concentration, e.g. light fast acid colouring materials which are sufficiently bright, such as alizarine colours, cyananthrol, amidol red, carmosine and sirius yellow. Where light fastness is not so important indigotin may be used. Where the colouring materials do not colour the reliefs directly, addition of an acid or salts such as magnesium chloride or zinc sulphate is necessary. Such addition also enables colour adjustment to be obtained. (3) When the reliefs are too strong they may be reduced by treatment with hot dilute sulphuric acid or other inorganic acid. (4) Undesired excess of colour can be corrected by spraying or washing the reliefs with a controlled water pressure. (5) Ready transfer of colour on to paper coated with hardened gelatin may be obtained in 3 to 10 minutes and adjustment of colour made by varying the time. (6) Premature transfer of colour during registration or comparison of the reliefs can be avoided by treating the reliefs after a washing treatment with a temporary fixative, e.g. by treatment for a short time with a dilute solution of zinc or iron salts. (7) To avoid excessive change of colour in the print on drying by absorption of colour in the barium layer of the paper an insulating coating of impermeable resin may be used. Alternately an underlayer of finely divided white inorganic substances, (e.g. zinc oxide or carbonate) which do not absorb colour may be used and also if desired insulated with resin.
Patent GB-280640-A (GB)
Title: Improvements in or relating to apparatus for the manufacture of pneumatic tyre casings
IPC: B29D30/24
Filed: 1926-08-18
Abstract: 280,640. India Rubber, Gutta Percha & Telegraph Works Co.. Ltd., and Avery, W. L. Aug. 18, 1926. Moulding pipes and tubes and wheel tyres.-Relates to expansible tyre building drums for flat-band built tyres, and consists in the provision of spring or other resilient means to urge the expanded support to its retracted condition. As shown, the drum comprises segments B<1> embraced by a rubber &c. band A which is retained by edges B<2>, B<3>. The segments are supported by a spider C' by slotted lugs and are guided radially by pins B<6> engaging slots C<4>. Expansion of the drum is effected through thrust rods D bearing at their outer ends against abutment faces B<7> on the lugs and at their inner ends thrust faces on thrust flanges E<1>, E<2> which are mounted slidablv but non-rotatablv on a hollow shaft G<2> carrying the spider C'. The flanges E<1>, E<2> are. forced towards each other to expand the drum by levers G<3>, G<4> furnished with rollers engaging cam surfaces E', F<4> on the back of the flange E<2> and on a member F<1> connected to the flange E<1> by bolts which pass through holes in the flange E<2> and spider and prevent relative rotation. A hand lever K<1> operates the levers G<3>, G<4> through a collar L<1> pinned to a rod H<1> located within the shaft G<2> and furnished with a forked head H<2> carrying a pivot pin H<3> for the inner ends G<5>, G<6> of the levers. The cam surfaces E<7>, F<4> terminate in flat portions so that back-thrust on the rod H<1> is avoided when the drum is expanded. The shaft G<2> is rotatably supported in bearings J<3>, J<4>. The thrust rods may be positively hinged to the segments &c., and expansion may be effected through a screwed collar. A band A may be made up of longitudinally disposed wire springs. According to the Provisional Specification the thrust flanges are forced together by a screwed callar.
Patent GB-966809-A (GB)
Title: Process for producing vinyl esters
IPC: C07C69/01
Filed: 1962-05-28
Abstract: Vinyl esters of carboxylic acids e.g. vinyl acetate, are prepared by reacting ethylene, oxygen and the appropriate carboxylic acid in the presence of a catalyst comprising a salt of palladium, rhodium, or platinum and a salt of copper, zinc, mercury, lead, chromium, manganese, iron, nickel or cobalt. Optionally a salt of an alkali or alkaline earth metal may be included in the catalyst as a promotor. Halides or salts of carboxylic acids of the metals are preferred and oxides which may be converted in situ into salts may be used. Pure oxygen, or air may be used and anhydrous carboxylic acids are preferred as is the addition of dehydrating agents such as acetic anhydride to maintain anhydrous conditions. Examples describe the preparation of vinyl acetate, butyrate, crotonate, stearate and benzoate.
Patent GB-940401-A (GB)
Title: Hardenable mixtures of unsaturated polyesters and monomeric ethylene compounds polymerisable therewith
IPC: C08K5/17
Filed: 1961-06-06
Abstract: 940,401. Unsaturated polyester resins. FARBENFABRIKEN BAYER A.G. June 6, 1961 [June 8, 1960], No. 20459/61. Heading C3P. The curing of unsaturated polyesters with a radical-forming peroxidic polymerization catalyst and soluble cobalt accelerator is effected in the presence of an amine accelerator and an acid of phosphorus or a phosphorus compound forming such an acid. Discolouration is avoided without extending the curing time. Unsaturated polyester resins exemplified are derived from a mixture of maleic and phthalic acids and butane-1,3-diol, propylene-1,2-glycol or glycol plus trimethylol propane diallyl ether, all dissolved in styrene and inhibited with hydroquinone. Peroxidic catalysts specified are cyclohexanone, MEK, MiK and cumene hydroperoxides. Cobalt accelerators specified as octoate, naphthenate, resinate, linoleate, acetoacetate and acetyl-acetonate. Amine accelerators specified are various mono-, di- and tri-alkyl amines, diethyl ethanolamine, tetrahydroquinoline, morphaline, N,N<SP>1</SP>-tetramethylene diamine, 1-amino-3-methyl-aminopropane, di-methyl or ethyl aniline, dimethyl-ptoluidine and N-beta-hydroxy-ethyl aniline. Phosphorus compounds specified are phosphoric, phosphorous, phosphinic, phosphonic and phosphorous acids, amides or partial esters thereof, phosphorous tri- and penta-oxide and chloride, phosphorus oxychloride and oxybromide, ester halides of phosphorus acids, and the corresponding thiophosphorus compounds. Specification 818,039 is referred to.
Patent GB-1472932-A (GB)
Title: Filter material and element incorporating same
IPC: B01D39/08
Filed: 1974-05-09
Abstract: 1472932 Filter elements FRITZ W GLITSCH & SONS Inc 9 May 1974 [11 May 1973] 20616/74 Heading BIT [Also in Division Dl] A filter element for removing mist from gas comprises a plurality of layers of knitted fabric, some wales 16A of a layer being knitted from wire filaments 14, Fig. 2, sized to give the layer dimensional integrity and strength and other wales 16B of the same layer being knitted from filter-enhancing filaments 15. The wales are interleaved to form courses 17 containing both filaments but the filaments only touch each other where they cross. The layers are stacked to form the element with the filaments of one layer offset from those of an adjacent layer to establish a tortuous path through the element. The stacked layers, which may be compressed and bonded together, may be formed by rolling the fabric to form a spiral 18, Fig. 3, which may be supported in a housing 19. The fabric may include more thanone kind of filament 15. Both filaments may be of wire of circular or "angular" cross-section. In other examples, filament 15 is of etched glass fibre tubing or a plastics material, e.g. polyester monofilament or polypropylene multifilament, and may be tubular. The multifilament may be used as a wick to draw liquid into the element for evaporation into the gas stream. The tubular filament may be connected to manifolds in the filter housing so that heatexchange fluids can be passed therethrough. By the use of the etched tubing, which is porous, an additive may be passed into the gas stream. Either 14 or 15 may be magnetisable, electrically conductive or electrically resistive to enhance filtration.
Patent GB-684995-A (GB)
Title: Improvements in or relating to pigment coated papers
IPC: D21H19/50
Filed: 1950-08-21
Abstract: A paper-coating composition comprises an intimate mixture of a mineral pigment, preferably clay, calcium carbonate or titanium dioxide, and an adhesive material in proportions corresponding to from 8 to 30 parts by weight of the adhesive material per 100 parts of the mineral pigment, the adhesive material comprising an aqueous dispersion of casein, starch or soya protein, as a size, in admixture with a synthetic latex of a copolymer consisting of from 30 to 50 per cent by weight of butadiene and from 70 to 50 per cent of styrene, in amounts corresponding to from 0.333 to 3 parts by weight of the copolymer per part by weight of size.  The mineral pigment is preferably used as a paste containing from 0.2 to 1 per cent by weight of a complex phosphate such as tetrasodium pyrophosphate, sodium hexametaphosphate or sodium tetraphosphate per 100 parts of pigment, and the aqueous dispersions of casein and soya protein preferably contain borax, trisodium phosphate, sodium hydroxide, silicate, carbonate or bicarbonate or mixtures of borax and sodium carbonate.  The starch used may be a chemically treated starch, particularly an acid hydrolysed or oxidized starch.  Antifoaming agents such as pine oil, alkalies or sulphonated castor oil may be added.  In preparing the composition, the size is preferably first added to the pigment slip, and the latex then added to the pigment dispersion.
Patent GB-1512876-A (GB)
Title: Clearance system for a gyratory crusher
IPC: B02C2/04
Filed: 1976-05-19
Abstract: 1512876 Gyratory crushers REXNORD INC 19 May 1976 [27 May 1975] 20746/76 Heading B2A A gyratory crusher comprises an upright frame an outstanding circumferential flange 102 at the upper end of the frame an adjustment ring 104 on the flange and a crushing bowl adjustably mounted in the adjustment ring. A release, viz a plurality of springs, holds the adjustment ring onto the flange and yields to clear any material. The clearance system includes a system of fluid-operated jacks 126 between the flange and ring permitting the ring and bowl to be lifted to clear the crushing cavity. As described four jacks having free pistons 148 are used thus simplifying alignment and the jacks are screw threaded from below into the bottom of the flange.