baber/WOPTO huggingface dataset:
Patent GB-154245-A (GB)
Title: Improved anti-skid device for motor road vehicles
IPC: B60B15/04
Filed: 1919-05-21
Abstract: 154,245. Green, L. May 21, 1919. Slipping of wheels, preventing.-An anti-skid device for motor-vehicles comprises a frame c secured to the rear of the vehicle and supporting a shaft d carrying two axially-adjustable conical members g, between which is freely mounted a wheel e contacting with the road and provided with spring-controlled spikes j. When side-slip occurs one of the cones is brought into engagement with the inner ends of one set of spikes forcing them outwards, as shown. If it is desired to raise wheel e from the ground, the frame c may be supported by springs o.
Patent GB-1361100-A (GB)
Title: Edible ink
IPC: C09D11/08
Filed: 1972-03-17
Abstract: 1361100 Esterified shellac compositions COLORCON Inc 17 March 1972 [17 March 1971] 12759/72 Heading C3R [Also in Division C4] An edible ink composition comprises a partially esterified (10-50 weight per cent) shellac, an organic solvent in which the shellac is soluble and an edible colouring matter (e.g. pigments, lakes or dyes) dissolved or dispersed in the solvent, 20-40% by weight shellac solids, 30-60% by weight, 6-40% colouring matter, 0À5-5À0% by weight water and ethylene glycol monoethyl ether may be present in the composition. Methods of making the partially esterified shellac by acidification, refluxing or heating in an oven and then addition of base are described. In the examples the colouring matters illustrated are TiO 2 , charnel black, red iron oxide and lakes. Methyl, n-propyl and n-butyl alcohols may also be used as solvents.
Patent GB-123272-A (GB)
Title: Process of Treating Lead Bullion.
Inventor: HULST GEORGE POWELL
IPC: C22B13/06
Filed: 1918-08-06
Abstract: 123,272. Hulst, G. P. Aug. 6, 1918. Desilverizing; liquating; matte processes for copper, lead and other metals.-Relates to a process and arrangement of plant for treating lead bullion carrying silver comprising essentially the step of segregating and removing the bulk of the copper present so as not to interfere with later desilverizing operations. Bullion is charged into a liquating kettle 1 where it is stirred by air or steam whereby copper dross is formed which is skimmed and transferred to a residue furnace 2, the copper content of the bullion in the liquating kettle being reduced to 0.05 per cent. The bullion from the kettle 1 is then passed to a softening furnace 3 wherein it is treated with oxidizing agents. Two skimmings of slag are taken from the furnace 3 and treated in a furnace 4 whereby the mechanically-held lead bullion is released and returned to the furnace 3, the slag containing antimony and arsenic being conveyed to a blast furnace 5 or otherwise treated for the production of antimonial lead. Bullion from the furnace 3 is passed to a desilverizing kettle 6 from which copper .skim that forms is removed to the furnace 2. Zinc is added from a stock 7, the resulting zinc skim being passed to a retort 8 and the desilverized lead going to a refining furnace 9 and then partly to a moulding furnace 10 and partly to Pattinson kettles 11. Skims from the furnaces 9, 10 and the kettles 11 are used 'as oxidizing agents in the furnace 3. From the zinc retort 8, zinc is returned to the stock 7 for re-use, blue powder is collected for subsequent smelting, and retort bullion is passed to a cupel furnace 12 to which, preferably after the formation of sufficient litharge, the dross from the retort bullion is added. From the cupel furnace 12 yellow litharge is run into a reducing hearth 13, the slag from which is passed to the residue furnace 2. The reduced lead from the hearth 13 is returned to the furnace 12, the final product of which is DorÚ bullion. Breakings from the retort 8 and cupel furnace 12 are treated in a crusher 14 and go partly to the reducing hearth 13 and partly to the residue furnace 2. The products passed to the furnace 2 are treated with lead sulphide ore with the formation of a slag which is treated in the blast furnace 5, dross bullion which is passed to the liquating kettle 1, and lead copper matte which is crushed and Bessemerized.
Patent GB-801235-A (GB)
Title: Devices for indicating the positions of the speed change levers for a lathe in response to selection of spindle speeds
Inventor: NOLTE ARTHUR CARL
IPC: B23Q17/00
Filed: 1956-04-26
Abstract: 801,235. Change-speed control. LODGE & SHIPLEY CO. April 26, 1956, No. 12868/56. Class 80 (2). [Also in Group XXII] A position indicator for the speed-change levers of a lathe-spindle drive comprises windows or lenses disposed adjacent the path of travel of the levers and located in the various speed positions, a pair of relatively rotatable members, one provided with spaced apertures corresponding in number to the windows or lenses, light-piping members connecting corresponding apertures and windows, the second member being provided with apertures arranged to register in predetermined combinations with apertures in the first member, and a light source within the second member whereby light is transmitted through the piping members which are exposed to the light source through said registering apertures indicating the lever positions for speeds shown on a dial carried by the second rotatable member. A control panel I is provided with three rotatable controls operated by hand-levers A, B and C, Fig. 1, to give twenty-four spindle speeds. Windows or lenses 1-4 are arranged adjacent the positions for lever B. The third lever positions are indicated by windows 7-9. A knob 12 arranged in the centre of the panel is connected to a dial which shows the spindle-speed through an opening 23. This knob is connected with a cylindrical shutter member 15, Fig. 2, which is apertured to allow a light source 41 to pass light to a fixed cylindrical member 14 surrounding the shutter member and also provided with apertures. The latter combine with the movable apertures to allow light to be transmitted through lightpiping members to illuminate the windows at the positions to which the three hand levers require to be placed to obtain the spindle speeds indicated in the aperture 23.
Patent GB-256720-A (GB)
Title: Improvements in clutch mechanisms
IPC: F16D13/04
Filed: 1925-05-18
Abstract: 256,720. Marks, E. C. R., (Cameron Machine Co.). May 18, 1925. Clutches, friction; gearing for stopping and starting machinery.-In plate clutches, which may be combined with band brakes, the clutch presser plate 11 presses a ring 5 sliding on a drum 3 secured to the driving-pulley 2 into engagement with a drum 13 secured to the driven. shaft 1, and is actuated by a cross-bar 8 passing through a slot in the shaft into a axially sliding operating-rod 6. The rod 6 projects beyond the shaft end and is secured adjustably by nuts 53 to a member 18 slidable axially in a slot in a. sleeve 19 keyed to the shaft end. Eccentrics 21 are pivoted in the sleeve 19 and rotate in slides 23 movable radially in guides in the member 18, which is thus moved axially. The spindles 22 of the eccentrics 21 each carry a toothed wheel 24, both of which are engaged by a double-sided rack 25 secured to a collar 26 slidable on a feather on the shaft bv linkwork actuated by a rotating sleeve which is secured to an operating hand-lever and turns loosely on a spindle which is rotatable by a second hand-lever to apply a band brake 45 to the drum 13. The invention is shown applied to the slitting and winding machine described in Specification 173,245.
Patent GB-941078-A (GB)
Title: Rotors for dynamo electric machines
Inventor: TIMMIS JOHN PETER
IPC: H02K3/52
Filed: 1961-04-11
Abstract: 941,078. Securing coils for dynamo-electric machines. JOSEPH LUCAS (INDUSTRIES) Ltd. April 5, 1962 [April 11, 1961], No. 12962/61. Heading H2A. An interdigitated rotor 4 has at least part 10 of the radially slotted or corrugated coil former 5 in contact with pole 3. The rotor being impregnated with an insulating varnish which flows into the channels formed by former 5 and pole 3, and, when dry, provides a mechanical connection to secure the two together.
Patent GB-165387-A (GB)
Title: Improvements in the manufacture of springs
IPC: B21D53/88
Filed: 1919-12-13
Abstract: 165,387. Brockhouse, H., Webster, H. W., and Vickers, Ltd. Dec. 13, 1919. Springs. - In the manufacture of leafsprings for vehicles a pair of shaped tools are provided as portable apparatus for clamping the leaves in a hot condition so as to prevent distortion during quenching. The tools 1, 2, Fig. 1, have projecting pins 3 for gripping the surface of the leaf in a manner so as to allow the quenching fluid to circulate. The tools are kept in alignment by pegs 5 on the lower tool engaging slotted guides 4 on the upper tool. In a modification the tools 10, 11, Fig. 3, are of channel section and perforated to allow the quenching fluid to circulate around the leaf which in this case is gripped between the flanges of the channel members. The tools are drawn together by a screw 18 on the back-plate 12 and are kept in alignment by pegs 13 working in slots 14. A spring 45, Fig. 10, may be interposed between the clamping-screw and the movable tool in order to take up the space resulting from the contraction of the leaf during quenching. Other modifications are described in which the tools are locked together in the clamping position by pegs engaging toothed racks. In addition to preventing distortion, the tools may be used for bending the spring elements.
Patent GB-738338-A (GB)
Title: Improvements in or relating to epicyclic change speed gears
Inventor: BROWN WILLIAM
IPC: B62M11/14
Filed: 1953-05-09
Abstract: 738,338. Variable-speed gearing. STURMEY-ARCHER GEARS, Ltd. April 20, 1954 [May 9, 1953], No. 12983/53. Class 80 (2). A four-speed epicyclic changespeed gear particularly for the hub of a cycle comprises a primary sun gear 1a formed on a fixed axle 1 and engaging planet pinions 2 on a carrier 4 which are also in mesh with a primary annulus 5. Secured to the primary carrier 4 is a secondary annulus 4b meshing with planet pinions 23 on a carrier 25 which also meshes with a secondary sun gear 20. A sliding clutch member 15 is adapted to couple prongs 11a of an input member 11 either to dogs 4a on carrier 4 or to splines 5c on an extension of annulus 5. In a further position as well as engaging splines 5c it disengages driving pawls 6 on the annulus 5 from teeth 8a on the driven hub 9. The secondary carrier 25 is also in engagement through pawls 26 with teeth 27a on the hub 9. The secondary sun 20 is rotatably mounted and can be slid axially to engage teeth 25b on the carrier 25 and to thereby rotate therewith or to engage a toothed ring 30 engaged with the primary sun gear la to be held stationary. The sliding of clutch member 15 and sun gear 20 is effected through a selector rod 31 passing through a hole in the axle and acted upon by springs 34, 36. With the parts in the positions shown the clutch 15 couples driving member 11 to the annulus 5 for a direct drive to hub 9 through pawls 6, the pawls 26 being over-run. For an increased ratio drive, clutch 15 is moved to the left to couple carrier 4 to driving member 11 so that annulus 5 is driven at an increased speed to drive again through pawls 6. A first reduced ratio is obtained by moving clutch 15 to the right where it is coupled to annulus 5 but also disengages pawls 6 from teeth 8a. Annulus 5 therefor drives, through planets 2 and carrier 4, the secondary train 4b, 23, 20, 25 solid since sun 20 is coupled to teeth 25b of carrier 25, and the pawls 26 transmit the drive to hub 9. A second reduced ratio is obtained by moving sun 20 to engage toothed ring 30 which holds it stationary. In this case a further reduction is obtained through the secondary train from annulus 4b to carrier 25 and pawls 26 drive as before.
Patent GB-310476-A (GB)
Title: Improvements in or relating to combined motion picture projectors and sound reproducers
IPC: G03B31/00
Filed: 1929-04-26
Abstract: 310,476. British Thomson-Houston Co., Ltd., (Assignees of Heisler, C. L.). April 26, 1928, [Convention date]. Sound-reproducing apparatus associated with kinematographs. - A kinematograph projector combined with apparatus for reproducing sound from film records is so constructed as to operate either with a single film bearing both pictures and a sound-record, or with separate picture and sound-record films, or with only one film of either type. The machine is shown equipped with separata picture and sound-record films, the picture film 3 passing from a reel on a support 40 to a reel on a support 44, being moved by sprockets 16, 17, 18, and fed past the gate 2 of the projector with the necessary intermittent movement by a Geneva stop mechanism 4. A separate pair of reel supports 42, 43 is provided for the sound-film 8, which is engaged by one, 18, of the sprockets that drive the picture film, and after passing over a drum 9, is engaged by a sprocket 19. The drum 9 moves the soundrecord at a uniform speed past a reproducer comprising an optical system 10 for projecting light through the film on to a photo-electric cell 11. A shaft 13, geared to a constant-speed motor 14, drives the drum 9, and also drives, through compensating mechanism 22 as described in Specification 293,361, a shaft 20 by which the sprockets 16 -- 19 are geared together. The device 22 comprises variable-speed gearing which is under the automatic control of a lever 32 engaging by means of a roller 33 with a loop in the film 8 between the sprocket 18 and the drum 9, and serves to regulate the speed of the sprockets in accordance with the uniform feeding action of the drum. Rollers 47 - - 51 are provided which enable the machine to be used in the various ways referred to above, by providing alternative paths for the film or films. The film 8 alone may be threaded through the machine, in the manner sholwn, when it is desired to reproduce sound only. When picture-projecting only is required, the film 3 is used alone, but the compensator 22 is put out of action in this case by means of a thumb-screw 54. To use a combined picture and sound-record film, it is arranged to pass from a reel on the support 40 through the gate 2, over the sprocket 18, over the roller 33 to the drum 9, and finally to a reel on the support 43.
Patent GB-205029-A (GB)
Title: Improvements relating to translucent glass for windows, ceiling or sky lights, lamp-globes and the like
IPC: B44F1/06
Filed: 1923-05-15
Abstract: 205,029. Tricou, J. Dec. 12, 1922, [Convention date]. Drawings to Specification. Globes. - Lamp-globes are formed of glass rendered translucent by cementing upon one face a thin sheet of wood, which may be coloured.
Patent GB-241122-A (GB)
Title: Improvements in or relating to paper or the like sheet feeding machines
IPC: B65H5/06
Filed: 1925-05-19
Abstract: 241,122. Canadian-American Machinery Co., Ltd., (Toronto Type Foundry Co., Ltd.). May 19, 1925. Roller-way conveyers. - Sheet-conveying means of the kind in which sheets are fed along a table, which may be fitted with a side-registering rail, by rollers a journaled angularly to the direction of travel, is constructed with an endless driving-belt b for the rollers a, the belt b being passed over a number of idler pulleys c which are arranged to press the belt upwardly in between every pair of rollers a. The belt passes over a driving-pulley e driven by bevel gearing d. and is controlled by a tensiomng-pulley f regulated by an adjusting-screw g. The belt is guided laterally by flanged or plain pulleys i mounted on a stirrup j which also carries a guide pulley h. To prevent lagging of the guided side of the sheet due to friction against the registering rail, the ends of the rollers a adjacent the rail may be arranged to have a greater peripheral speed than the other ends by forming the rollers tapered, or with enlarged ends m, Fig. 10; or these ends of the rollers may be knurled, or fitted with friction sleeves so as to increase the driving effect on the registered edge of the sheet; or the two methods may be combined.
Patent GB-746334-A (GB)
Title: Forging apparatus including die lubricating means
IPC: B21J7/34
Filed: 1954-05-05
Abstract: 746,334. Lubricating systems. CHAMBERSBURG ENGINEERING CO. May 5, 1954 [Sept. 29, 1953], No. 13066/54. Class 12 (3). [Also in Groups XXII and XXVIII] A forging apparatus having impactor or ram 13 carrying a forging die 15, has a stationary nozzle 20 adapted to spray lubricant on to the die when the latter is substantially in its retracted position. The apparatus is preferably of the kind shown in Specification 672,070, [Group XXII], having a pair of impactors 13, 14 carrying dies 15, 16 and operated by compressed air. Spray nozzles 20, 19 are provided which are supplied with lubricant through conduits 25, 26, the lubricant being atomized by the compressed air. Lubricant is fed to the nozzles by a ratchet-driven plunger pump 28 actuated by a rocking arm 34 driven by a compressed air motor 36 pivoted at 39. A valve 43 actuated by a solenoid 46 controls the air supply to and from the motor 36. The valve solenoid is controlled by a microswitch 49, operated by the impactor 13, through a relay 50, 52. The pump 28 also controls the supply of air to the nozzles.
Patent GB-142675-A (GB)
Title: Improvements relating to barrels, cylinders and beams or the like on which fibres, laps, threads or fabrics are wound or wrapped
IPC: B65H75/14
Filed: 1919-05-24
Abstract: 142,675. Herald, H. D. May 24, 1919. Passing fluids through materials on perforated drums.- A roller for use in openers, scutchers, and other textile machines, in which fibres, laps, threads, or fabrics are wound or wrapped upon the roller, consists of a spindle carrying a hollow perforated shell which can subsequently be removed for treatment of the wound material in drying and like machines. The spindle A, Fig. 1, carries the hollow perforated shell B which is covered with a layer of cloth or gauze C to prevent fibres from entering the perforations. The lap is formed on the sheet B, which is then removed from the spindle A, when the lap may be covered with a layer of protecting-cloth. Flanges D, D<1>, Fig. 5, are then screwed on the threads b<1> on the ends of the shell, the flanges D being closed and centrally recessed to receive a conical projection e<1> on the cover of the treating-cylinder E, while the flange D<1> is open to receive a hollow conical member e on the floor of the cylinder E, through which member e the treating-liquid is introduced or withdrawn. The cylinder E may contain any number of shells B, which may be made of glazed earthenware, ebonite, pressed fibre, impregnated asbestos, nickel or nickel alloy, phosphor-bronze, anti-acid brass or the like, or iron.
Patent GB-219435-A (GB)
Title: Improvements in sound reproducing apparatus
IPC: H04R11/00
Filed: 1923-05-16
Abstract: 219,435. Kahl, A. R., and Noble, Sir W. May 16, 1923. Telephones.-A diaphragm is vibrated in accordance with current variations in a coil by a disc mechanically attached to the diaphragm and adapted to be displaced about its own axis by frictional contact with a constantly moving member, the pressure between the engaging surfaces being varied by magnetic variations caused by the coil. As shown in Figs. 1 and 2, a constantly rotating shaft 5 carries a disc 7 of non-magnetic material rotating between a magnetic disc 9 and the pole-pieces 11, 12 of a magnet 10. The disc 9 is connected to the diaphragm by a rod 24. The magnetic flux is varied by current variations in the coils 13, 14, the varying magnetic attraction on the disc 9 causing corresponding variations in the friction between the two discs 9, 7 and resulting in vibration of the diaphragm. In a modification, the magnet rotates with the shaft and the magnetic disc engages directly with the polepieces of the magnet. In another modification, Fig. 5, the disc 112 is pressed against the rotating disc 109 with varying pressure by a lever 106 having at its free end an armature 108 acted on by the magnet.
Patent GB-544582-A (GB)
Title: Improvements in or relating to ammonium nitrate explosives
IPC: C06B31/42
Filed: 1940-08-16
Abstract: 544,582. Explosives. DU PONT DE NEMOURS & CO., E. I., COOK, M. A., DAVIS, C. O., and LAWSON, W., E. Aug. 16, 1940, No. 13089. [Class 9 (ii)] Ammonium nitrate blasting compositions with solid oxidizable sensitizers are treated with a compound of a metal nitrate with ammonia or with substances which interact to produce such a compound, to give higher velocity detonations at greater densities and to render the ammonium nitrate less hygroscopic. Free ammonia may be used under pressure in the presence of a metallic nitrate other than that of an alkali metal. Compounds of ammonia with metallic nitrates termed ammino-metal-nitrates may be used, or free ammonia in the presence of nitrates of metals such as calcium, strontium, zinc, copper, lead, cobalt, or cyanamides of these metals may be used so that they interact with portions of the ammonium nitrate present to form ammino-metal-nitrates so that the ammonium nitrate is at one stage, at least, exposed to the action of free ammonia gas. In some cases heat is necessary and the action takes place in a closed container. The oxidizable sensitizers used may be inorganic such as aluminium, sulphur, calcium silicide, ferro-silicon or the like, or may be organic such as aromatic nitrohydrocarbons or nitro compounds like nitronaphthalenes or nitrotoluenes, or organic compounds such as -diphenylamine, diphenyl and the like. Examples of mixtures and comparisons of results are given in the Specification.
Patent GB-725611-A (GB)
Title: Process of maintaining and restoring the pressure in oil and gas fields
IPC: E21B43/18
Filed: 1953-05-11
Abstract: 725,611. Pressurising oil fields. UNION RHEINISCHE BRAUNKOHLEN KRAFTSTOFF AKT.-GES., and KRIEGBAUM, O. May 11, 1953 [May 16, 1952], No. 13108/53. Drawings to Specification. Class 85. The gas pressure of an oil field is maintained by generating an inert gas in the productive formation by the combustion of natural gas or oil with oxygen containing gases or compounds splitting off oxygen. In a preferred method, inert gas is passed down through the well to clear it of natural gas, and this inert gas is followed by air under pressure. The mixture of the air and natural gas thus formed in the productive formation is ignited and the combustion regulated by varying the quantity of air injected into the formation. The descending air may be pre-heated by allowing some of the inert flue gas formed by combustion to flow upwards around the well.
Patent GB-933678-A (GB)
Title: Electromagnetic support of electrical conductors
IPC: B21C35/02
Filed: 1962-04-05
Abstract: 933,678. Feeding webs. E. I. DU PONT DE NEMOURS & CO. April 5, 1962 [April 10, 1961; March 21, 1962], No. 13134/62. Class 100 (1). [Also in Groups XXII and XXXV] Electrically - conductive films, foils, wires and the like, may be guided and supported when moving by the interaction of a current flowing in the foil and an external magnetic field. Fig. 1 shows a wire-spinning plant where the electricallyconducting filament 15 is ejected from the orifice 14, by gas pressure in furnace 9, and passes through the combined support and guidance stage 8 on to a reel or contact plate 20. An additional supporting stage 19 is shown acting on the solid filament. The current passing through the filament may be altered so that wires of different diameters and weights may be correctly supported and guided. The supporting and guiding stage 18 comprises two electromagnets 40, 41 positioned to form a V-shaped trough with the flux paths as shown in Fig. 4. When current carrying filament 15 is run in the trough it is subjected to both transverse and vertical forces and will position itself so that the opposing horizontal forces cancel and the vertical force is sufficient to overcome the weight of the wire.