baber/WOPTO huggingface dataset:
Patent GB-629742-A (GB)
Title: Improvements in or relating to method of manufacturing electrical conductors provided with glass beads
IPC: H01J5/42
Filed: 1947-11-14
Abstract: 629,742. Metal-to-glass seals. GENERAL ELECTRIC CO., Ltd., and HARRISON, W. J. D. Nov. 14, 1947, No. 30309. [Class 36] A flange 1 on a conductor 2 consists of a metal washer having a central hole slightly smaller than the conductor. The washer is deformed into a dish-shape and forced over the conductor and then restored to its original shape, whereupon it grips the conductor tightly, A glass bead 3 is then formed on the conductor and abuts against the washer 1. Two spaced washers may be fixed to the conductor in the same way and a bead located between them. Specification 567,521 is referred to.
Patent GB-213943-A (GB)
Title: Improvements in or relating to brake gear with special reference to railway and tramway vehicles
IPC: B61H1/00
Filed: 1922-11-07
Abstract: 213,943. Cammell, Laird, & Co., Ltd., and Bailey, A. S. Nov. 7, 1922. Brake beams; blocks and shoes.-Relates to brake gear for railway vehicles of the type wherein the brake blocks when released are allowed to move downwardly away from the wheel under the action of gravity and inclined guiding means, and consists in adapting one side of each brake block to co-operate with a slide or slides attached to the framing of the vehicle or bogie and inclined downwardly in a direction away from the wheel circumference. Each brake block b is provided with upper and lower flanges d, d<1> which co-operate with a fixed guide e. The flanges are provided with renewable wearing strips f, f<1>. The flanges and guide are inclined downwardly away from the wheel g. The slide e may form part of the knee for the solebar and headstock of a bogie. Modifications are described in which a single flange on the brakehead engages between two fixed flanges forming the guide, and again in which a lug on the brake head works along an inclined rod.
Patent GB-227811-A (GB)
Title: Apparatus for electro-magnetically engaging and disengaging claw couplings for shears, punches, presses, or the like
IPC: B30B15/14
Filed: 1924-12-17
Abstract: 227,811. Deutsche Maschinenfabrik Akt.-Ges. Jan. 14, 1924, [Convention date]. No Patent granted (Sealing fee not paid). Clutches, claw; operating clutches. - In claw clutches for presses, shears, punches, &c., electromagnetic controlling-means are employed, whereby the instant of engagement may be timed to ensure full tooth contact and the instant of disengagement may be varied according to the height at which it is desired to leave the tool above the work. In contradistinction to clutches in which the driven member is uncoupled by cam action, clearance between the teeth can be ensured when the clutch is disengaged. Remote control is also facilitated. A driving-wheel 1, loose on the shaft 3, is coupled to a spring-pressed clutch member 2, slidable on the shaft, by the action of magnetizing-coils 7, 8, which are energized respectively from slip rings 9, 10 and 15, 16. An insulating slip ring 12 is provided with conducting-segments 13, corresponding in number and portion to the clutch claws and electrically connected to one another and to a slip ring 11. A slip ring 14, having a break 17, rotates with and is circumferentially adjustable on the clutch part 2. On depressing a button 18, current flows from the positive main P by way of a brush 12', segment 13, ring 11, brush 11<1>, and coil 19' in a switch box 19 to the negative main N. Energization of the coil 19<1> closes main and auxiliary contactors 21, 22, allowing current to flow by way of a brush 16<1>, ring 16, coil 8, ring 15, brushes 15', 10<1>, ring 10, coil 7, ring 9, brush 9', and switch 21, so engaging the clutch. When, due to rotation of the part 2, the break 17 leaves a brush 14', the button 18 may be released, current then passing through the coil 191 by way of a brush 14" (made double to span the break 17), ring 14, brush 14', and switch 22. The circuit is broken and the switches 21, 22 opened when the break 17 again reaches the brush 14<1>. The rear faces of the clutch teeth are bevelled to facilitate meshing. The clutch is enclosed in a. casing 23.
Patent GB-261197-A (GB)
Title: Improvements relating to cloth expanders
IPC: D06C3/06
Filed: 1925-12-02
Abstract: 261,197. Taylor (Brass Founders), Ltd., G., and Tate, J. R. Dec. 2, 1925. Feeding webs.-In a cloth-expander of the kind comprising a roller fitted with longitudinal bars a which receive an endwise movement by engagement with fixed cams, the sliding surfaces are lubricated by solid lubricant such as plugs e of graphite. Instead of using plugs, the lubricrant may be arranged in the sliding surfaces, or may be forced by a spring from a chamber through fine holes leading to the surfaces.
Patent GB-428275-A (GB)
Title: Improvements relating to the manufacture of sheets, tiles or slabs of asbestos-cement or the like
IPC: B28B1/32
Filed: 1934-10-24
Abstract: Tiles, sheets, or slabs of asbestos-cement or the like having a design in relief on one surface are formed in a millboard-making machine, the surface of the forming bowl having a negative of the design either reproduced thereon or applied thereto.  The negative may be formed of a rubber or other shell, which may be built up of two or more parts, secured to the bowl.  The pressing roller which coacts with the bowl may be provided with a resilient covering.
Patent GB-659762-A (GB)
Title: Improvements in saturable core reactance devices
Inventor: BELSEY FREDERICK HAROLD
IPC: H03F9/02
Filed: 1948-11-24
Abstract: 659,762. Rectifying. METROPOLITAN-VICKERS ELECTRICAL CO., Ltd. Nov. 24, 1948, Nos. 30545/48 and 10373/49. [Class 38 (ii)] [Also in Group XXXIX] A transductor of the kind involving two core systems arranged for back-to-back operation such that a change in the control current which increases the saturation of one system reduces that of the other is provided with positive feed-back without exaggerating the effect of supply voltage changes by providing each core system with a feed-back circuit which includes windings on the other core system, the arrangement being such that the feed-back component due to the output which is increased by an increase in signal current acts in both core systems in the same direction as the signal current and the feed-back component due to the output which is reduced by an increase in signal current acts in both core systems in opposition to the signal current. Both feedback systems thus increase the effect of any change in signal current. When, however, the supply voltage changes, both outputs tend to change in the same direction and consequently the feed-back effects act in opposition to each other. The effects of the two components are not necessarily equal. In the arrangement shown in Fig. 1, in which a change in the control current in circuit 17, 18, which increases the A.C. output in load resistor 8 reduces that in load resistor 12 and vice versa, the outputs are rectified and fed to separate feed-back circuits 25 . . . 28 and 29 . . . 32 respectively. In the modification shown in Fig. 2, however, in which the output is rectified before application to the load resistors 8, 12, a single feed-back circuit 25 . . . 28 is supplied from a potential divider connected between the load resistors and so produces the same effect as the two feed-back circuits in Fig. 1. In another modification, Fig. 3 (not shown), the two parts of the transductor are fed in opposite phase from the respective halves of a transformer secondary and the two A.C. outputs flow in a common load resistor. The feed-back arrangements are as in Fig. 1. In a multi-stage amplifier, Figs. 4a and 4b, the output of each part feeds the control winding of the corresponding part of the next stage through a rectifier R1A, R2A, R3A, R1B, R2B, R3B and separate rectifiers 107, 207, 307, 407 and 111, 211, 311, 411 are used for supplying the feed-back circuits which are arranged as in Fig. 1 in each stage. The primary input circuit is in this case an alternating current which is rectified in separate circuits SA, SB which are coupled with a further A.C. source 9, 10 to provide the control windings with a steady bias current. A network SRA, SRB, SC introduces a rate component into the signal.
Patent GB-835959-A (GB)
Title: A multi-way valve assembly for conduits for conveying a mixture of granular material and liquid
IPC: F16K11/072
Filed: 1957-09-30
Abstract: 835,959. Conveying solids in liquids ; selective pipe coupling devices. PHOENIXRHEINROHR A.G. Sept. 30, 1957 [Sept. 28, 1956], No. 30555/57. Classes 99(1) and 102(2). A multiway valve for controlling the distribution of a granular material in liquid suspension, such as coal in water, comprises a cylindrical valve body 6 housing a cup like valve member 7 axially rotatable by means of a handle 10 extending through a slot in the body and having ports 18, 19 for co-operation with corresponding outlet ports 11, 12 in the end of the body. Pipe 3 conveys the granular suspension to the valve body, within which a flexible pipe 9 leads to the port 19 in the valve member ; similarly, pipes 4, 8 convey liquid to the valve member port 18. The ports 11, 12, 18, 19 each extend through 105 degrees of arc. In operation, the granular material is distributed from port 11, and to change over valves 15, 17 are opened to flush out the other pipe system, the handle 10 is then rotated through 180 degrees, and the valves 16, 17 closed after the original pipe system has been flushed out. The 105 degrees arc of the ports 11, 12, 18, 19 prevents the valve member 7 from shutting off the supply and causing shocks in the system. In a modification the flexible pipe 8 is omitted and the pipe 9 may be rotatably coupled to the valve body at a point coincident with the axis of the valve member ; this enables 3 or 4 outlet distribution pipes to be provided. In a further modification, the valve members slide rectilinearly relative to each other.
Patent GB-171298-A (GB)
Title: An improved hasp fastening
IPC: E05C19/08
Filed: 1920-10-29
Abstract: 171,298. Parsons, W. A. Oct. 29, 1920. Hasp fastenings.-A slotted hasp 5, formed from a rod or from sheet-metal, is automatically secured over the sheetmetal staple 6 by a drop-ring 7 freely mounted on a rivet 9 in the loop of the staple. A padlock is passed through the ring 7 or through a hole 8 in the loop of the staple.
Patent GB-304864-A (GB)
Title: Improvements in or relating to wheels of road vehicles
IPC: B60C27/04
Filed: 1927-11-14
Abstract: 304,864. Straussler, N., and Super Tractor Co., Ltd. Nov. 14, 1927. Slipping, attachments to wheels for preventing.- Relates to vehicle wheels of the kind in which teeth are caused to protrude beyond the periphery of the wheel when travelling on soft ground, the teeth retiring within the wheel when hard ground is reached. According to the invention, the teeth C are pivotally connected at a<1> to the wheel and also at b<1> to a ring B capable of angular movement coaxially with the wheel, the ring being impelled by springs F to move in a direction to cause automatic protrusion of the teeth. In the construction shown, the teeth are of volute form and have a slotted link connection with the ring B which is impelled by circumferential springs F engaging pins on the pin B. On contact with the hard road, the retraction of one tooth causes the whole series to retract to the same extent and continuous play of the springs is thereby avoided. The automatic protrusion of the teeth may be prevented when the vehicle is running by a hand-operated sleeve J which engages rollers K on levers M which are pivoted to the wheel A and have spherical ends m<3> engaging slots N in the ring B. A locking stop engaging a lug P, Fig. 5, on the ring B is operated by a lever S to lock the teeth in their inoperative position. The spades C may have more than one tooth, as shown at Fig. 6, and such teeth may be skewed or staggered to increase the width of track.
Patent GB-1471365-A (GB)
Title: Fuel tank for a motor vehicle
IPC: B60K15/04
Filed: 1974-07-10
Abstract: 1471365 Fuel tank DAIMLER-BENZ AG 10 July 1974 [17 July 1973] 30584/74 Heading B7H [Also in Division B8]  A motor vehicle fuel tank 1 designed for uninterrupted filling by an angled automatic filler pipe and adapted to prevent damage to the vehicle body by the filler comprises a filler neck 2 which enters the tank 1 through the top of one sidewall 8 and has at least one horizontal portion 3 and an upward-sloping portion 4 leading to the inlet 19, a support plate 11 in the sloping portion 4 which combines with the neck to hold the filler 13 in a given position clear of the bodywork, a vent pipe 9 that enters the neck 2 below the support 11 and terminates near the centre of the top wall 7 of the tank 1 in a conical portion 17, an indentation 24 immediately below the end of the filler 13 for unhindered fuel flow, and air spaces around and within the support 11 for venting the tank. The angle between the horizontal and sloping portions 3 and 4 is to produce turbulence for maximum filling rate. Corrugations 5 joining the various portions allow easy deformation, e.g. for installation. The vent pipe 9 preferably has an internal diameter at least that of the fuel emerging from the filler pipe 13.
Patent GB-879448-A (GB)
Title: Porous concrete element for the gaseous refining of molten metals
IPC: F27D1/12
Filed: 1958-09-25
Abstract: 879,448. Blast nozzles. INSTITUT DE RECHERCHES DE LA SIDERURGIE. Sept. 25, 1958 [Sept. 30, 1957; Aug. 19, 1958], No. 30660/59. Class 51 (1). Apparatus for refining molten metal comprises a fluid-tight concrete casing 2 enclosing a porous concrete block 1 with a free surface and formed with a transverse duct 3 having ports in the block and an inlet 4 for the reaction gas. Gas supplied from a main 11 through valves 8, 10 to a Venturi 13 atomizes controlled quantities of water from a tank 15, the water being vaporized by and thereby cooling the block 1. In a modification, Fig. 4 (not shown), water is controllably supplied under pressure direct to the block, the gas being supplied separately.
Patent GB-756904-A (GB)
Title: A combined disk and internal shoe-drum brake
IPC: F16D55/46
Filed: 1954-10-25
Abstract: 756,904. Combined disc and internal shoedrum brakes. BENDIX AVIATION CORPORATION. Oct. 25, 1954 [Oct. 30, 1953], No. 30699/54. Class 103 (1). In a combined disc and internal shoe-drum brake, a plurality of composite disc and shoe brake units are adapted, in operation, for pivotal movement and are associated with a rotor and are adapted to co-operate with a plurality of engageable surfaces on a stator; a non-rotatable part associated with the stator being movable to apply the brake. In the embodiment illustrated applied to a tractor brake in which Fig. 2 is a section through 2-2 of Fig. 1 which is a side elevation of the brake assembly viewed toward the inboard side of the tractor, the brake comprises a pair of friction units 10, 12 pivotally mounted on pins 14 and 16 secured to a rotor 18 having a splined connection with a rotatable shaft 22. A stator 24, secured by fastening members 36 to a non-rotatable part of the vehicle 38, comprises a two-piece assembly comprising a housing 26 and a pressure plate 28. The pressure plate has two spaced anchors 30 and 31 abutting a backing plate 32, secured to the housing 26 by fastening members 34, to prevent the tendency of the pressure plate to move circumferentially when the brake is applied. Each of the friction units 10 and 12 comprise a web 48 having friction pads 50 on either side thereof and a transverse rim 52 having friction lining material 54 on a portion of the periphery of each brake unit. When the applying lever 40 is turned in a counter-clockwise direction to apply the brake, axial thrust is imparted to the pressure plate 28 by camming devices 42 interposed between the backing plate 32 and the lever 40 such that the pressure plate 28 frictionally engages the friction pads 50 on the web portion 48 of the friction units 10 and 12, pivotally secured to the rotor 18, and the friction pads 50 are clamped between the engaging surfaces of the housing 26 and the pressure plate 28. The torque reaction achieved by the disc braking of the units 10 and 12 produces pivotal actuation about the pins 14 and 16 respectively such that the appropriate shoe portion of the units 10 and 12 engages the adjacent cylindrical surface 62 of the housing 26 to produce additional braking. When the applying lever 40 is returned to its inoperative position, return springs 46 release the clamping effect on the friction units by the housing 26 and the pressure plate 28 and centralizing springs (not shown) disengage the applied shoe portion of the brake. Fastening members 34 provide means for manual adjustment of the backing plate 32 when the friction pads 50 are worn. An alternative embodiment of the invention is described in the Specification.
Patent GB-869243-A (GB)
Title: Improvements in and relating to synchronous dynamo-electric machines particularly for prime mover starting
Inventor: CLARK LEONARD JACK
IPC: H02K19/12
Filed: 1958-09-25
Abstract: 869,243. Control of A.C. motors. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Sept. 7, 1959 [Sept. 25, 1958], No. 30713/58. Class 38 (3). [Also in Group XXXV] A synchronous machine MM is coupled to an auxiliary machine AM operating either as a starter motor or an exciter for the synchronous machine. As shown, the stator windings ST1a and ST2a are arranged in parallel, and current transformers CT have their secondary windings CTS coupled to primary windings PW connected to supply lines SL through voltage regulator VR of the saturable reactor type. The output from the rotor windings RO2a of the auxiliary machine is connected through rectifiers RFa to the rotor windings RO1a of the synchronous machine. When the voltage regulator VR disconnects the primary windings PW from the supply lines, the machine AM operates as an induction motor, the stator windings of the two machines being connected virtually in series. When the machine MM reaches synchronous speed, the voltage regulator applies to the windings PW a potential dependent upon the supply voltage and the phase connections of the windings ST2a are reversed, whereby the machine AM now operates as a frequency changer and provides excitation for the main machine under the control of the voltage regulator. The auxiliary machine may have its pole number increased when changing from motor operation to operation as a frequency changer. During motoring operation, the rotor windings RO2a may be associated with a two-pole field and carry only circulating current, no current being diverted to an external circuit. When operating with a four-pole field, there is substantially no circulating current, and current generated in the windings is delivered to the field of the main machine. The auxiliary machine may have a four-pole stator winding associated with a short-circuiting switch and connected in series with the stator winding of the synchronous machine. An eight-pole stator winding of the auxiliary machine may then be connected to the supply through switches interlocked with the shortcircuiting switch, Fig. 5 (not shown). Specifications 841,585 and 842,916 are referred to.
Patent GB-266824-A (GB)
Title: The manufacture of new organic metallic mercaptosulphonic acids and salts thereof
Filed: 1925-12-05
Abstract: 266,824. Carpmael, W., (Chemische Fabrik auf Actien, vorm. E. Sehering). Dec. 5, 1925. Metallic mercaptosulphonic acids and their salts, which have therapeutic properties, are obtained by treating mercaptosulphonic acids or their salts other than acylated aminomercaptosulphonic acids, with salts of metals. In examples (1) the potassium salt of p-mercaptobenzene sulphonic acid, obtained by treating pdiazobenzene sulphonic acid with potassium sulphide and reducing, is treated with potassium auribromide. the potassium p-auromercaptobenzene sulphonate being precipitated by adding alcohol, (2) 4-amino-2-mercaptobenzenesulphonic acid or its salts (obtained by treating 4-nitro-2- diazobenzenesulphonic acid with potassium sulphocyanide and reducing) is treated with potassium auribromide, silver nitrate, mercuric chloride, and bismuth chloride to give the auro-, argento-, mercuric-, and bismuth-mercapto compounds, (3) the #-sulphonate of 4-methylamino- 2-mercaptobenzene-1-sulphonic acid (obtained by treating 4-amino-2-mercaptobenzenesulphonic acid with formaldehyde sodium bisulphite) is treated with potassium auribromide to give the auromercapto compound, (4) 1-mercaptonaphthalene-4-sulphonic acid is treated with auric chloride, (5) gamma-thioglycerine-a-sodium sulphonate (obtained from gamma-chlorglycerine-a-sulphonate and sodium sulphhydrate) is treated with auric chloride. (6) sodium methanethioldisulphonate is treated with potassium auribromide, and (7) potassium 2-mer. captooxazole-5-sulphonate (obtained by heating o-amino-p-sulphophenol with potassium sulphocyanide) is treated with potassium auribromide. Specification 234,806 is referred to.
Patent GB-481625-A (GB)
Title: Improvements in and relating to sports goods such as hockey sticks, cricket bats andother striking sporting implements
IPC: A63B49/08
Filed: 1936-11-11
Abstract: 481,625. Handles for bats etc.; croquetmallet &c. heads. WRIGHT, W. Nov. 11, 1936, No. 30793. [Class 132 (ii)] A handle for a racquet, cricket bat, hockeystick, or the like, or the head of a croquet or similar mallet is constructed of fibrous material such as cane with which threads may be interwoven, the resultant material being rolled into a compact structure with or without adhesive. As shown in Fig. 2, pieces of cane or other fibrous material a .... , are secured by adhesive to a sheet of paper and rolled tightly round a core c of cane or of one or more metal tubes. A sheet of rubber may replace or supplement the paper. Metal wires g, as shown in Fig. 5, may be introduced at intervals in the weaving of the material. Specifications 429,483 and 462,562 are referred to.
Patent GB-475076-A (GB)
Title: Improvements in or relating to diffusion and mixing apparatus
IPC: B03D1/16
Filed: 1936-11-11
Abstract: 475,076. Mixing &c. apparatus. DRAKE, L. D., and GARDELLA, W. M. Nov. 11, 1936, No. 30810. [Class 86] [Also in Group VI] An apparatus for mixing or diffusing two or more fluid substances for aerating liquids, froth flotation of ores, &c. comprises a fixed deflector of double conical form and a rotary impeller the blades of which are of wedge section and mounted on a hollow shaft having apertures leading immediately behind the blades which throw the liquid on to radiating and transversely curved fixed blades and thence through a fixed screen. The Figures show a froth flotation apparatus. The double conical deflector 17, 18, Fig. 4, is supported by rods 15 within a vessel A and carries the blades 21 which are transversely curved and are arranged tangentially to the hollow shaft 5 of the impeller. The impeller blades are wedge shaped with the rear face 27c, Fig. 6, at right-angles to the upper surface 27a ; the blades are provided with lips 29, Fig. 7, at their ends. The hub 24 is perforated at 28 behind the blade whereby the vacuum created by the rotation of the blades sucks air or other fluid through the holes 28 from the interior of the shaft. The latter is supplied through a pipe 10 and stuffing box 9, the pipe being fed through valved branch pipes. At the top of the deflector 17, 18 is a screen 20.