baber/WOPTO huggingface dataset:
Patent GB-528458-A (GB)
Title: Improvements in or relating to electron discharge tubes
IPC: H01J19/34
Filed: 1939-04-28
Abstract: 528,458. Discharge apparatus. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. April 28, 1939, No. 12819. Convention date, April 29, 1938. [Class 39 (i)] An electron discharge tube comprises a cylindrical metal anode 1, closed at its ends by glass bulbs 2, 3, a screen grid 5 control grid and cathode 7. The electrodes are concentric and consist of a plurality of wires arranged on a cylindrical surface concentric with the anode. The screen grid wires are attached at opposite ends to support members 8, 9, the former of which is secured as by welding to a ring 10 sealed through the glass bulb 2. The other member 9 has a radial flange 12 which is supported on a ring 11 sealed through the bulb 3 by flat springs 13, which may be tongues stamped out of the flange 12. The rings 10, 11 may form the lead-in for the screen-grid.
Patent GB-396184-A (GB)
Title: Improvements in or relating to endless belt or band conveyors
IPC: B65G21/06
Filed: 1932-05-05
Abstract: 396,184. Endless-belt conveyers. SUTCLIFFE, Ltd., R., Universal Works, and SHEPPARD, J., Dyehouse, Benton Hill, both in Horbury, near Wakefield, Yorkshire. May 5, 1932, No. 12934.. [Class 78 (i).] The outer edges of the belt are guided and supported by flat inclined longitudinal plates in order to give a trough-like form to the upper run throughout its length, and the guides may overhang the edges of the belt to ensure central loading and to prevent spillage. As shown in Figs. 1 and 2. the guides are formed by inclined angle irons 2 secured to brackets 7 provided with headed studs 5 which rest detachably in slots in channel shaped standards 4. The conveyer framework is sectional, each standard supporting the adjacent ends of two angle irons 2. The brackets 7 rest also on plates 7x on the standards. Side shields 11x for the lower run are secured to the angle 2 and extend between the standards. The central part of the belt may rest on straight rollers 3 or on troughing rollers. The idler rollers 8 for the lower run are carried on end bearing plates 10 which are slotted to rest detachably on the bars 9 of the standards 4. As shown in Figs. 4 and 5, each conveyer section is secured at one end to a braced standard 4, 9. and is provided at the other end with a slotted, extension plate 12 which rests detachably on a stud 13 on the next standard. The side shields 11x for the lower run are secured at one end to the standard 4 and are supported at intervals from the angles 2 by brackets 15. One pair of brackets 15 is hooked or slotted at the lower end to form bearings for the idler roller 8. A trough-shaped member 14 is secured to the angles 2 at one end and extends beneath the junction of two sections. Small angle-plates or bars 2a, Fig. 4, may be secured on the angle irons 2 overhanging the belt to aid in preventing spillage.
Patent GB-634855-A (GB)
Title: Improvements in or relating to sealing devices for rotating shafts
IPC: F16J15/42
Filed: 1947-05-14
Abstract: 634,855. Stuffing-box substitutes. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. May 14, 1947, No. 12956. Convention date, May 15, 1946. [Class 122(v)] In a sealing device for a rotating shaft 10 comprising a U-section annular cham.ber formed about the shaft 10 and constituted by a central member and a relatively rotatable member and into which sealing liquid is forced by centrifugal force, additional non - liquid sealing means are provided having surfaces which form a seal when the shaft 10 is stationary and which are spaced apart by centrifugal force when the shaft 10 is rotating. The outer member comprises a housing 12, 13 which encloses the liquid and whose outer wall 12 is attached to the shaft 10 and through whose inner wall 13 extends a stationary cylindrical member 14 ,spaced from the shaft 10 from which member 14 a stationary sealing member 15 extends radially within the housing 12, 13. A conical deflector 16 extends'from the member 15 towards the wall 12 and a baffle 17 extends from the wall 12 over the deflector 16 to prevent liquid falling on to the shaft 10 when it slows down from high speeds. A resilient slotted grummet 18 carried by the wall 13 comprises the non-liquid sealing means. In modifications the grummet may be replaced by a sealing ring about the shaft and a rotatable sealing member connected to the housing by springs and pivot arms so that it is caused to move axially into engagement with the ring which contacts a fixed wall at standstill or low speeds and the stationary member may be the housing in which case means are provided to circulate liquid through the housing.
Patent GB-207781-A (GB)
Title: Improvements in wireless and like signalling
IPC: H03B19/03
Filed: 1923-05-15
Abstract: 207,781. Dornig, W. Nov. 29, 1922, [Convention date]. Harmonics, producing and absorbing; coupling oscillating and radiating circuits.-In a system using frequency multiplying transformers of the kind described in Specifications 189,349, 202,277, and 219,862, Harmonics are eliminated by feeding the antenna through a loosely coupled tuned circuit of small ohmic resistance. The tuned output circuit of one or more frequency multiplying transformers 4 is coupled to an intermediate circuit 7, 8 tuned to the desired frequency, in which harmonics are suppressed. The only inductance in the output circuit of the transformers 4 is that necessary to couple it with the intermediate circuit. The couplings are of variometer type to allow of ready variation for waves of different length.
Patent GB-166761-A (GB)
Title: Improved apparatus for use in working on glass, metal and other hard substances by means of sand blast
IPC: B24C5/02
Filed: 1920-05-11
Abstract: 166,761. King, T. May 11, 1920. Sund blast.-A sandblast apparatus comprises a casing 1, Fig. 3, fitted with a nipple 4, a nozzle 5, and a nozzle 3 directed upon the work. Air or steam passes by the nipple 4 and nozzle 5 to a mixing-chamber 6, drawing sand from a container through a valve, Fig. 19, and a flexible hose 28 past a. hand-controlled ball-valve 33 into the chamber 6. The valve, Fig. 19, comprises two circular members 29, 41 with apertures 47, 48, the member 29 being rotatable relatively to the other to control the inlets. The ball valve 33 is closed by a lever 36, a link 37 on it engaging with a lip 38 on the casing, and holding it down. Air enters through an opening 22 communicating with the interior of the casing 1, and passes through a slot 21 into the chamber 6. The nozzles can be removed by removing bolts in flanges 9 of the casing 1.
Patent GB-225136-A (GB)
Title: Steering devices for motor vehicles
IPC: B62D3/06
Filed: 1924-05-28
Abstract: 225,136. Roth, E. B. May 28, 1924. Non - reacting steering- mechanism for separatelypivoted wheels. - Comprises screw-and-nut gear of the kind in which the steering shaft is provided with spaced right and left-handed threads each engaged by a half nut or sleeve which rotates crank arms on the rocking shaft through bearing pins having flat surfaces. The steering shaft 1 has opposed screw threads 2, 3 respectively engaged by half nuts 4, 5, the edges of which slide against each other. About midway on each nut is a projection 25 which engages with a flat face 23 on a pin 22 rotatably mounted in crank arms 19 of the rocking shaft 15 carrying the steering arm (not shown). This shaft is in two parts connected by members 20, the steering shaft and the half nuts passing freely between the parts. The gear is enclosed in a two-part casing 7 held together bv bolts 8 and screwed caps 10, 13, the top cap screwing down on to a conical spring 14 and so exerting pressure on a thrust bearing 12 for the steering shaft.
Patent GB-636838-A (GB)
Title: Improvements in milling cutters
IPC: B23C5/00
Filed: 1948-05-13
Abstract: 636,838. Milling-cutters. BRAYSHAW FURNACES & TOOLS, Ltd., BRAYSHAW, S. N., and MAGUIRE, T. May 13, 1948, No. 13111. [Class 83 (iii)] In a milling-cutter of the type having two or more cutters mounted on the same spindle and provided with interlocking projections and recesses, the bottom c<SP>1</SP> of each recess c and the face b<SP>1</SP> of each projection b are at an angle to a plane at right angles to the cutter, i.e. so that a radial line coinciding with the bottom of the recess or with the face of the projection is at an angle to the axis of the cutter, the inclination being such that the thickness of metal at the bottom of the recess increases from the periphery towards the axis while the thickness of metal through the projection decreases from the periphery towards the axis. Specification 284,437, [Class 83 (iii)], is referred to.
Patent GB-541280-A (GB)
Title: Improvements relating to silos
IPC: B65D90/08
Filed: 1940-08-16
Abstract: 541,280. Silos. CALKIN, G. R., and WIGGINS & CO. (HAMMERSMITH), Ltd. Aug. 16, 1940, Nos. 13123/40, 141/41 and 4478/41. [Class 20 (i)] A silo for green fodder is built up of a number of sheets 1 of galvanized iron or flexible asbestos cement set up in overlapping relation by the aid of retaining devices to form a ring of plates around which straining devices in the form of wires or bands 8 are secured whereby the pressed fodder in the silo holds the sheets against the straining devices. An additional ring or rings of plates may be arranged above the lowest ring. A covering of boarding and thatch may be applied. In building up the silo pegs 2 are inserted in the ground and the curved plates set up against these in overlapping relation and retained in position by strips 5 having holes 7 engaging the edge of the inner plate, or by hinged wire clips engaging the edges of the plates. Straining wires or strips 8 with looped ends are then applied around the plates and secured by a staple through the loops. If an upper ring of struts is to be applied these are supported by S-hooks from the upper edge of the lower ring.
Patent GB-167586-A (GB)
Title: Improvements in pivoted and hinged doors, windows, fanlights, and the like
IPC: E06B7/18
Filed: 1920-05-12
Abstract: 167,586. White, W. E. May 12, 1920. Multiple fastenings for doors, windows, &c.- A multiple fastening for pivoted or hinged windows, doors, &c. comprises two saddle or U- shaped locking-bars f, connected by links e to bars a fixed in grooves b in opposite sides of the frame, the bars f being collectively moved parallel with themselves to engage in grooves in the edges of the window to secure it. As shown, the window is centrally pivoted at top and bottom and the bars f are operated by rods j, n connected one to each arm of a lever m pivoted in a casing k in one side frame, the. spring o tending to move the locking-bars into the closed position.
Patent GB-844740-A (GB)
Title: Lifting means for agricultural and like machines
Inventor: GUSTAVSSON BROR ARTUR
IPC: A01D34/24
Filed: 1959-04-17
Abstract: 844,740. Tractor power-lifting mechanisms. ARVIKA-THERMAENIUS A. B. April 17, 1959, No. 13209/59. Class 79(1). One of the lift arms 11 of a tractor-mounted or a tractor-drawn agricultural or like machine 2 is connected to the part to be lifted on the machine by transmission means of Bowden cable type and comprising a tubular flexible outer casing 8 made from a tightly wound wire helix and a wire rope 9 or other flexible member arranged within the casing and guided thereby. The ends of the casing 8 are secured to a bracket 7 on the tractor frame and to the lift arm 11 while the ends of the rope 9 are connected by a few chain links 14 or a screw to a drag link 12 and to the connection point between a guide bar 4 and a drag link 5 on the machine 2. When pressure oil is admitted to the lifting means, the arm 11 lifts the end of the casing 8 to which it is connected so that the end of the rope 9 connected to the machine is drawn into the casing and the machine is lifted. The machine may be a cutting or sowing machine.
Patent GB-514343-A (GB)
Title: Improvements in or relating to the separation of solid materials
IPC: B03B5/40
Filed: 1938-05-03
Abstract: 514,343. Wet-separating. DU PONT DE NEMOURS & CO., E. I. May 3, 1938, No. 13222. Convention date, May 4, 1937. [Class 82 (ii)] Solids of different specific gravities are separated by a sink-and-float method by introducing them into a stream of liquid of intermediate specific gravity surmounted by a layer of a lighter liquid immiscible therewith, allowing a vertical classification of solids to take place, dividing the stream horizontally into a plurality of superposed streams, separately withdrawing suspended solids from each stream through the layer of lighter liquid, and finally returning the solid-free liquid to the main stream. The lighter liquid may be water. In Figs. 1 and 2 material is fed from chute 10 into the parting stream of tank 1 and flows in layers which are separated by partition 13 into concentrates and tailings. The concentrates are directed by curved sides 15 into tank 20 where they are elevated by a conveyer 21a. The tailings pass similarly into tank 21 and are elevated by conveyer 21b. The two tanks may be combined into one tank in which works a single conveyer on which both the concentrates and tailings are elevated. The parted materials are washed with water from sprays 30. Through tube 50 water is fed. 51 is an outlet. The water in tanks 1 and 40 and the walls of chute 10 and housing 201 hermetically seal liquid vapours from the atmosphere. The parting liquid is led back by pump or by paddle wheels to the front of tank 1 by pipe 28 which may be provided with a vent pipe and over baffle 11. Another baffle may be incorporated in the pipe 28 to deposit any solid particles in suspension. The partition has a hinged lip 131 adjustable by a screw-threaded shaft 132. In a modification two such partitions are used and the separate classified portions are led into separate tanks each with its own conveyer.
Patent GB-969170-A (GB)
Title: Film cutter
Inventor: PEARS DAVID ASHLEY
IPC: G03D15/04
Filed: 1963-04-03
Abstract: 969,170. Cutting webs. MAGNAVOX CO. April 3, 1963, No. 13223/63. Heading B4B. [Also in Division B6] A web of film 86, Fig. 2, having spaced perforations 11, Fig. 1, is fed by teeth 87 engaging the perforations and forming part of a wheel 76, Figs. 2 and 6, driven through a slip clutch from a continuous drive. The web is then passed between fixed guide members 96b, 96a, the latter constituting a fixed blade co-operating with a vertically reciprocable blade 100, Figs. 2 and 5, to sever the web. In normal operation the wheel 76 is stopped at intervals corresponding to the distance between perforations 11 by a bar 135 which is projected by a spring 137, when so permitted by a cam 57 into a succession of recesses 142 in the wheel 76, the blade 100 being moved downwards by a cam 62 each time the wheel is stationary, so as to cut the web along lines 15, Fig. 1, through the leading edge of each perforation. The cams 57, 62 are mounted on a shaft 46 rotated through a slip clutch from a continuous drive. When a normally-energized solenoid 130 is released, a stop 127 is projected to engage a part 126 of a cam 60, so that the shaft 46 is stopped. By momentary energization of the solenoid, the shaft is allowed to rotate once; in this way single cards can be severed from the web. The cutting action can be suspended while continuing the web feed by energizing a solenoid 141 to hold the bar 135 in retracted position, while releasing the solenoid 130 to stop the shaft 46. In one form of cutter, Fig. 7, the movable blade 100<SP>1</SP> is urged against the fixed blade 96a<SP>1</SP> by a spring 201. Specification 961,113 is referred to.
Patent GB-707349-A (GB)
Title: Improvements in or relating to devices or appliances for table games
IPC: A63F7/06
Filed: 1952-05-26
Abstract: 707,349. Table games. KEELING, W. L., and KEELING. W. D. June 12. 1953 [May 26. 1952], No. 13233/52. Class 132(2) Table cricket apparatus comprises a board 11 on felt feet 12, batsman figures 18 slidable in slots 14 by rods 15 beneath the board to simulate the scoring of runs, a bowling device 31, stumps 29 set in a deformable substance 27 and a bat 23 pivotally and slidably mounted in a carrier frame 21 secured to a rubber or like resilient anchorage 22 on the board to give a universal movement. In a modification, Fig. 4, the bat is attached to a carrier 26 which is secured to the anchorage 22. A strip 36 of celluloid acts as a #wicket-keeper," and fieldsman figures 32 are weighted to be self-righting. The fieldsman and batsman figures have dished bases 33, 20 in which a ball may be "caught" and ramps 35a may be provided to loft the ball. The bowling device 31 has a ballreceiving loop 31a and is actuated by rolling it on part 31c longitudinally of the board until a cranked part 31b abuts the board.
Patent GB-167832-A (GB)
Title: Improvements in or relating to resistance switches for controlling the intensity of electric currents
IPC: H01C10/48
Filed: 1920-05-13
Abstract: 167,832. Watkinson, J., Francis, N. C., and Quennell, A. E. May 13, 1920. Resistance switches.-The switch comprises an insulating-base 17, a resistance device consisting of rows of graphite or like blocks 9, a rigid frame 11 slotted to receive the resistance blocks, spaced contacts 6 electrically connected to various points of the resistance device, and a spring contact 4 mounted so as to be moved arcuately over the stationary contacts. The Specification describes a number of different constructions all conforming to the above general description. Specifications 19219/06 and 111,821 are referred to.
Patent GB-165292-A (GB)
Title: Improvements relating to sheet feeding mechanism of printing and like machines
IPC: B65H3/10
Filed: 1920-05-13
Abstract: 165,292. Salmon, H. J. May 13, 1920. Sheet-separators; pile tables and supports; gripper mechanism.-Sheets are fed to printing and like machines by a reciprocating drum h which is mounted in a carriage i and moved to and fro over a pile of sheets, the drum being connected to a vacuum pump t by a telescopic connection v and formed with ports w which lift the top sheet and curl it around the drum. The separated sheet is subsequently held to the drum by grippers 6 which are mounted on the drum and hold the sheet thereon until it is in a position to be seized by forwarding tapes 30. The pile of sheets is supported on a trolley b carried by supports c operated by screws d geared together and capable of operation by a handlever g, or automatically by a pawl oscillated by the action of an adjustable feeler 15, carried by the shaft of the drum h, on a lever 16 controlled by a spring 21 and connected by bevel gears to the pawl-carrying arm. The drum h is mounted in a carriage i reciprocated by crank and lever mechanism o, p, q, r, and guided by rollers j which move over stepped side frames k and prevent twisting movement of the drum. At the commencement of each feed, the drum h is in the position shown at the right of Fig. 3, the suction ports w being open to the inside of the drum, and the grippers 6 open. As the drum moves to the left, it rotates counter-clockwise, and after rotating through half a right-angle, a freelymounted valve x moves by gravity to cover the ports wand cut these off from the vacuum, the gripper 6 being previously closed on the sheet by a stationary cam groove 10 acting on an eccentric disc 11 on the gripper shaft. The valve x is limited in its movements by stops y, z. As the top sheet is rolled upon the drum h, the remaining sheets are held by grippers 23 on a spring- controlled spindle 24, which is rotated by the drum carriage to move the grippers from the pile as the drum-carriage returns to the position shown in the right of Fig. 3. The drum is oscillated by a gear m and rack n. In a modification, two drums as h feed sheets alternately from different piles to a common forwarding-mechanism, so that the speed is greater than with one pile and one feeding-mechanism.
Patent GB-132911-A (GB)
IPC: A41F11/12
Abstract: 132,911. Russ, J. U. Oct. 14, 1918. Clips, lever.-In a sheet-metal buckle of the type having a back member A with apertured side ears 3 to receive trunnions on the lever member B, one of the trunnions 11 is bent so that it can be hooked over the edge of the bearing-aperture after the other trunnion has been inserted in the bearing-aperture in the opposite side ear. Both of the trunnions may be bent, and beads 13 may be provided on the ears to prevent the ends of the trunnions from projecting beyond the sides of the buckle.
Patent GB-954441-A (GB)
Title: Method of and apparatus for treating textiles
IPC: D06C5/00
Filed: 1961-04-13
Abstract: 954,441. Treating textiles. TURBO MACHINE CO. April 13,1961 [Aug.29, 1960], No. 13304/61. Addition to 893,662. Heading D1L. The textile treating apparatus of the parent Specification is modified by the provision of means for introducing a heated medium into the treating liquid conduit means to heat the treating liquid as it is conducted to the nozzles. Fig. 1 shows apparatus similar to that described in the parent Specification except that steam is admitted via Y fitting 401, from a supply line 111 through a solenoid valve 114 and check valve 400 to pipe 100, through which treating liquid is fed to chamber 1 by pump 105.
Patent GB-133795-A (GB)
IPC: B29D30/02
Abstract: 133,795. St. Helens Cable & Rubber Co., and Lee, B. Oct. 23, 1918. T yr e s , elastic, special apparatus for making.-In apparatus for making rubber band tyres, of the kind in which layers of ebonite or rubber are fed to, and built upon, a metal band 8 rotatable on guides and co-operating with a press-roll 16, steadying-rollers 9 hung on links 10 are pressed against the internal surface of the band 8 by toggle-levers 11 operated by the handwheel 14 on a screw 13. The roll 16 is pressed into contact with the rubber either by its own weight or by means of a treadle 18. The apparatus may be arranged on both sides of the machine.
Patent GB-354191-A (GB)
Title: Improvements in or relating to bearings for haulage rollers for use in collieries and other like places
IPC: E21B19/00
Filed: 1930-05-01
Abstract: 354,191. Bearings for haulage rollers. KING & CO. (LEEDS), Ltd., J., Climax Malleable Works, Garnet Road, and KING, J. E. S., Westfield, Beaumont Avenue, Roundhay, both in Leeds. May 1, 1930, No. 13404. [Class 12 (i).] A haulage pulley or roller 12 is mounted on a stationary spindle 8 carried by brackets 3 integrally or detachably secured to a baseplate 1. The pulley has a boss 14 at each end mounted on bearing rollers 16, the spindle 8 being reduced in diameter at the bearings. The rollers 16 are retained endwise by washers 17, 18, which may be secured to the bosses 14, the inner washers 18 entering the bore of the bosses 14. One of the washers 18 may be integral with the spindle 8. The bearing rollers may have pins at the ends and may be carried by a spacing cage consisting of spaced apart end rings. In a modification the washers 17, 18 at one end are omitted, the rollers being retained endwise by an inwardly projecting rib formed in the bore of the boss 14.
Patent GB-868068-A (GB)
Title: Improvements in or relating to hydraulic extrusion presses
Inventor: ROWLES REGINALD VICTOR
IPC: B21C35/04
Filed: 1956-05-01
Abstract: 868,068. Extruding. FIELDING & PLATT Ltd. July 30, 1957 [May 1, 1956], No. 13431/56. Class 83 (4). An hydraulic extrusion press has a rotary carrier 15 for at least two die and bolster assemblies 4, 5, 6 and 14 respectively, which are brought successively into line with the extrusion axis of the press, and means 9, 10 are provided for inserting the assemblies into the die housing 2 and withdrawing them therefrom. Each assembly comprises a die 5, die holder 4 and bolster 6 and is pushed from the rotary carrier into the housing 2 by a reciprocating ram 9 working in a cylinder 10. The assembly is held in position in the housing by a wedge 7 which is withdrawn to permit the ram 9 to withdraw the assembly together with the extruded product and the discard 13. A shear 18 cuts off the discard. A run-out trough 11 is provided for the extruded product. Separate ram and cylinder assemblies and run-out troughs, rotatable with the carrier 15, may alternatively be used with the separate bolster assemblies. Specification 821,827 is referred to.