baber/WOPTO huggingface dataset:
Patent GB-737342-A (GB)
Title: Improvements in and relating to conveyor chains
IPC: B65G17/06
Filed: 1953-07-06
Abstract: 737,342. Endless conveyers. GREBE, K. July 6, 1953 [July 4, 1952; Oct. 31, 1952], No. 18688/53. Class 78 (1). A travelling chain having a belt conveyer surface supported on the links has each chain link 3 connected by a ball joint 1 and has mounted a supporting roller 12 and a guide roller 11 at each side with mutually perpendicular axes disposed in the same plane as the ball joint which plane lies perpendicular to the longitudinal axis of the belt. The ball 1 on the end of a link 3 engages a socket 2 in a cross-member 8 having an extension 7 in which the end of the next link 3 is secured by a pin 5. The ends of each member 8 carry rollers 11, 12 running on tracks provided. The rollers may be connected to a bracket attached beneath the member 8. Members 17, 17<SP>1</SP> are hinged to the members 8 by pins 15 as is also a spring 16. The conveyer belt may be riveted to the members 17, 171, or the belt may be provided with an end flap for slipping over these members when raised. In an alternative form the ball joint is mounted forwardly or rearwardly of the member 8 and another releasable connection is provided between the link and boss on the member 8. The rollers 12 are arranged above the rollers 11 and in the same plane as the ball joint. In another form the link incorporates extensions with one or more cross-members shorter than the link 8 and without rollers. Pockets can be separately vulcanized to the conveyer belt or the edge may be reinforced with a continuous strip with or without intermediate layers.
Patent GB-121361-A (GB)
Title: Improvements in Boots and Shoes.
Inventor: TEBBUTT JOHN THOMAS
IPC: A43B9/06
Filed: 1917-12-17
Abstract: 121,361. Tebbutt, J. T. Dec. 17, 917. Connecting uppers to insoles and soles.-To reinforce a welted boot or shoe, a number of tie-straps 10, Fig. 1, are arranged across the underside of the insole. These tiestraps extend over the lining 6, Fig. 2, and the insole flange 2, which is formed by slitting the edge of the insole to form a lip 3 and cutting the body of the insole to form a lip 4, and are secured by a seam 8 passing through the upper 7, lining, tiestraps, and flange 2. A second seam 8<a> passing through these parts secures the welt 5 in position, and after applying a filling 12 of asbestos, an outer sole is attached in the usual way. In a modified construction, the insole is made of felt with a top covering of asbestos and then a facing of thin leather, which is brought under the margin of the insole to cover the flange 2. The insole, covering, facing, filling, tie-straps, and welt may be treated with an antiseptic, such as eucalyptus compound.
Patent GB-1100475-A (GB)
Title: Improvements in or relating to metal casting methods and apparatus
IPC: C21C7/10
Filed: 1965-05-04
Abstract: <PICT:1100475/C6-C7/1> Molten metal, such as iron, steel, copper, brass or nickel, flows from a ladle 10 to a first chamber 13 to which deoxidizer is added from a bin 18 and passes through a line 33 from below the surface to a second hotter chamber 36 from which it passes to a casting mould.  An innocuous atmosphere of inert gas, an oxide of carbon or a mixture of steam and partly burnt natural gas from a source 80, is maintained in the chambers and may enter the chamber 13 below the metal surface.  Aluminium, calcium, magnesium or rare earth metals may be added to steel through a purged inlet 21 as may zirconium or titanium to denitrify and chromium, vanadium, titanium, nickel or aluminium as alloying elements.  Deoxidizers or alloying elements may be added through a purged inlet 51 to the second chamber 36.  A residual amount of molten metal may be retained in the first chamber 13 in which deoxidizer may be dissolved for a subsequent charge of metal.
Patent GB-274493-A (GB)
Title: Cords for surgical ligatures
IPC: A61L17/08
Filed: 1927-07-15
Abstract: 274,493. Bost, P. July 15, 1926, [Convention date]. Yarns and threads.-Surgical ligatures are made of spun fibres obtained under sterile conditions from fresh animal muscle. The tissue is first washed, then sterilized and hardened with formalin, chromic acid, iodine solution, &c. Grease is removed if necessary by carbon tetrachloride, and the fibres may be tanned. The fibres may be twisted or plaited to increase the strength of the ligatures.
Patent GB-1122551-A (GB)
Title: Improvements in or relating to control means for mine-roof supports
Inventor: TRISTRAM WILLIAM FRANCIS
IPC: E21D23/00
Filed: 1965-05-05
Abstract: 1,122,551. Advancing mine roof supports. BONSER ENG. Ltd. May 9, 1966 [May 5, 1965], No. 18868/65. Heading F1P. A mine roof support system comprises a plurality of roof supports A, B, C each having an associated valve EA, EB, EC through which fluid exhausts from the pressure chamber 1 of the support when the support is being lowered, the resultant fall in pressure in a line 2, 3 or 4 leading from the respective valve being arranged to prevent at least one of the remaining supports being lowered. To lower, e.g. the support B, a selector valve 42 is operated to connect a line 21 to a source of pressure and the line 3 to a reservoir, the connections being formerly reversed. Pressurization of the line 21 causes pressurization of a line 34 through a valve FB held in the open position by a dashpot 6 pressurized through line 5 from the pressure line 4 of support C. The line 34 is connected to the retraction chamber 46 of the support B and to a dashpot 48 arranged, when pressurized, to open the valve EB and allow fluid in the pressure chamber 1 of the support B to exhaust therethrough to the line 3 connected by the selector valve 42 to the reservoir. The collapse of pressure in the line 3 acting through a line 8 releases pressure in a dashpot 9 associated with a valve FC of the support C and thus prevents pressurization of a line 15 and consequent lowering of the support in the event of the selector valve 12 being operated. To reset the support against the roof the selector valve 42 is reversed to pressurize the line 3. Supports A and C are lowered and reset in a similar manner, the collapse of pressure in line 4 when lowering support C preventing through line 5 and dashpots 6, 7 the lowering of either support A or B and the collapse of pressure in line 2 when lowering support A preventing through a line 10 and a dashpot 11 the lowering of support C. Each valve EA, EB, EC may control more than one support and each line 2, 3 or 4 may be connected to all or some of the dashpots associated with the other supports.
Patent GB-702119-A (GB)
Title: Improvements relating to grid structures for electronic tubes
IPC: H01J19/00
Filed: 1952-07-25
Abstract: 702,119. Making grids for electronic tubes. EDISON SWAN ELECTRIC CO., Ltd. July 25, 1952 [July 25, 1951], No. 18899/52. Classes 83 (2) and 83 (4) A method of manufacturing a flat grid structure for electronic tubes consists in forming the apertured frame for the grid wires in two parts hinged or otherwise arranged for rotation with respect to each other, arranging said parts so as to be in relatively inclined planes and then securing parallel grid wires on the frame so as to extend across the aperture at right angles to said axis and thereafter rotating said parts into a common plane so as to tension the grid wires, the angle between the parts while the wires are being secured being so chosen as to give the required wire tension. The grid frame comprises two semi-circular parts 7 and 8 connected by thin strips 9 and 10. The parts are bent out of their common plane and the wires 6 soldered to the parts at right angles to the diameter 9<SP>1</SP>. The parts are straightened to tension the wires and a backing ring 12 is soldered or welded to the parts to form a rigid frame. The hinge may be constituted by a thin portion 13 formed by providing a groove 14 along a diameter of the frame (Fig. 4b). Alternatively, the grid frame may be formed by two independent half rings maintained in contact at their abutting edges by the grid wires the parts being prevented from slipping relatively to each other during straightening by soldering a few strands across the abutting portions of the parts. Specification 618,180 is referred to.
Patent GB-830931-A (GB)
Title: Stable latices and preparation thereof
IPC: C08F4/00
Filed: 1956-06-19
Abstract: Stable, emulsifier-free, metal-ion free polymer latices are made by polymerizing one or more ethylenically or ethylenically and acetylenically unsaturated monomers in water, at least one monomer being soluble in water at 25 DEG  C. and under polymerization conditions to the extent of at least about 0.5% by weight, in the presence of ammonium persulphate and sulphur dioxide and about 1 X 10-4 to 10 X 10-4 part of a Group VIII metal ion, e.g. iron, per 100 parts by weight of monomer and in the absence of emulsifiers and alkali metal ions.  Water-soluble monomers specified are acrylonitrile, methacrylonitrile, acrylic and methacrylic acids, acrylamide, methacrylamide, methyl acrylate, methyl methacrylate, vinyl acetate, methyl and ethyl vinyl ethers, vinyl-2-methoxyethyl ether, methyl and ethyl vinyl ketones, methyl isopropenyl ketone and acrolein.  Other monomers which may be present during polymerization are vinyl and vinylidene chlorides, vinyl fluoride, dichlorodifluoroethylene, styrene, alpha-methyl styrene, vinyl toluene, chlorostyrenes, methoxystyrene, vinyl pyridine, vinyl benzoate, butadiene, isoprene, dimethyl butadiene, myrcene, vinyl acetylene and vinyl diethinyl carbinol.  Also present in the reaction mixture may be a tertiary C12 mercaptan and hydrogen peroxide, which latter serves to produce a uniform rate of polymerization.  If desired the trace of iron may be added gradually during the course of polymerization.  The polymer latices produced, particularly the butadiene/acrylonitrile and butadiene/acrylonitrile/styrene copolymer latices, may be stabilized after formation by the addition thereto of a small amount of a non-ionic surface-active agent such as water-soluble esters of polyglycerol, hydroxyalkyl esters of glycerol, sorbitol or mannitol and the condensation products of phenolic compounds, e.g. nonyl phenol, with ethylene oxide.
Patent GB-792312-A (GB)
Title: Improvements in and relating to transducers
IPC: H04R23/00
Filed: 1954-06-29
Abstract: 792,312. Loud-speakers. PLESSEY CO., Ltd. (Klein, S.) June 29, 1954, No. 19025/54. Class 40 (4). In a loud-speaker having a chamber in which ion discharge takes place, e.g. as described in Specification 756,546, [Group XXXVII], the chamber 3, Fig. 1, is in communication with an exponential horn 4 adapted to radiate the higher frequencies, and a piston 5 driving a diaphragm 6 adapted to radiate the lower frequencies. The embodiment shown in Fig. 1 has a pronounced directional effect due to the narrowness of the horn 4. In a modification, Fig. 2, for general dispersion of the sound, the highfrequency horn 4 is of wide aperture and the piston and diaphragm are mounted within it. In a further modification, Fig. 3 (not shown), high and low-pass acoustic filters are inserted between the chamber 3 and the horn and piston respectively.
Patent GB-147065-A (GB)
Title: Improvements in and relating to the preparation of iron and other metal swarf and the like for hot briquetting
IPC: C22B1/248
Filed: 1920-07-06
Abstract: 147,065. Deutsch - Luxemburgische Bergwerks und - - H³tten - Akt. - Ges. Jan. 26, 1918, [Convention date]. Rotary furnaces.-Metal swarf, filings, dust, &c. is fed down a rotary furnace A up which reducing furnace gas is passing from a head B. The hot metal collects at C and, by means of a slide D. is discharged periodicallv into a trolly E with a slide F for transfer to the compressor.
Patent GB-242702-A (GB)
Title: Improvements in and relating to induction electricity meters
IPC: G01R5/20
Filed: 1924-08-11
Abstract: 242,702. Ferranti, S. Z. de, and Ferranti, Ltd. Aug. 11, 1924. Induction motor meters.- An induction electricity meter is provided with low load adjustment means including a displaceable magnetizable member c pivotally carried on an operative pole-piece b and provided with a short-circuited member f, the main flux through the pole-piece and. the displaced flux through the member c being interlinked with the short-circuited member g that provides the inductive load adjustment, so that independent control of both adjustments can be effected. The member c is adjusted by a handle attached to the magnetizable pivot connection d.
Patent GB-530744-A (GB)
Title: Improvements in and relating to holders or receptacles for paper towels and the like
IPC: A47K10/42
Filed: 1939-07-01
Abstract: 530,744. Receptacles for paper towels &c. LEBRECHT, A., KENT, R. K.. and ST. ANDREW MILLS, Ltd. July 1, 1939, No. 19200. [Class 181 A holder for paper towels and the like comprises a bottomless container g and a bracket a provided with a shelf b, the container having flanges e slidable in grooves d formed on the bracket.
Patent GB-1400254-A (GB)
Title: Internal combustion engine overhead poppet valve gear
IPC: F01L1/24
Filed: 1972-04-25
Abstract: 1400254 I C engine valve gear VAUXHALL MOTORS Ltd 18 April 1973 [25 April 1972] 19213/72 Heading F1B [Also in Division F2]  In an I.C. engine valve operating gear having overhead inlet and exhaust valves 2, 3 operated from a single overhead cam-shaft 4, 5 via interconnecting rocker arms 7, each rocker arm 7 is pivotally mounted intermediate its ends at 8 on the closed part-spherical lower end 9 of the body 24 of a self-adjusting hydraulic tappet assembly 10 each of which is mounted in a cylindrical recessed boss 11 of a common tappet carrier block 15 secured to the top of the cam-shaft housing 13, the tappet body 24 being slidably mounted in the boss 11 and having a tappet valve plunger 25 which is slidably mounted in the body 24 and seated at the base of the cylindrical recessed boss 11. Passages 20, 22 in the common tappet carrier block 15 supply pressurized oil from the engine lubricating system to ports 26, 27 in each tappet plunger 25 and body 26 which via a one-way check ball-valve 29 therein sustain zero lash during operation. Each cylindrical recessed boss 11 of the block 15 is vented at 32 to readily eliminate air from the hydraulic tappet assemblies 10. The rocker arms 7 may be formed as dished pressings having hardened cam and valve engaging faces and further having side guide walls 31 serving to locate the rocker arms in operation.
Patent GB-609015-A (GB)
Title: Improvements in or relating to cigarette making machines
IPC: A24C5/31
Filed: 1946-06-27
Abstract: 609,015. Cigarette - making machines. WILLS, F. O., and COFFIN, E. V. June 27, 1946, No. 19227. [Class 130] A cigarette-making machine of the continuous rod type has means for rejecting any cigarettes which are shorter than standard by diverting the cut-off cigarettes from their normal path whenever the rod moves at less than its normal speed. The rod 1 is cut by the bodily movable knife 2 into cigarettes 4, 5 which move over a plate 6 and under conveyer bands 8 of coiled spring type and thence to a moving tape 12. The plate 6 is pivoted at 18, Fig. 3, and connected by lever mechanism 21, 23, to a solenoid 17 controlled by a governor device 16 located near the cut-off point. The rod, pressed down by spring wheel 31, drives a grooved friction wheel 30 connected by weighted spring strips 33 to a disc 34 slidable on the governor spindle. When the spindle 26 rotates below a certain speed the disc 34 engages spring contacts 37 and completes the solenoid circuit so that the plate 6 is tipped and diverts the resulting short cigarettes. When the rod speed reaches the normal the governor causes the contacts to be broken and the plate 6 is returned to its horizontal position and normal delivery is resumed. The governor spindle carries a fly-wheel disc 40 to maintain steady running and to give a time lag so that the governor does not reach full speed until after the rod has reached its full speed.
Patent GB-862227-A (GB)
Title: Vacuum filling machine
Inventor: BERTHELSEN WALTER
IPC: B65B31/04
Filed: 1959-06-05
Abstract: 862,227. Packaging-machines. PNEU. MATIC SCALE CORPORATION Ltd. June 5,1959, No. 19354/59. Class 94(1). A vacuum filling machine for powder &c. comprises means for transfering containers to the filling heads, the transfer means exhausting the containers, filling them with inert gas and maintaining an atmosphere of inert gas above the containers as they are released beneath the filling heads. The heads themselves may release the gas above and into the containers. Transfer means. Containers 14 are fed to the transfer means 18 by a conveyer 16 and are spaced in transit by a rotary worm 30. The means 18 comprises a rotary disc 64 having recessed container positioning plates 62 and a series of heads 22 raisable and lowerable by cams 170 and having combined gas and vacuum connections 158 controlled by a disc valve 186, 188. Each head 22 is lowered to grip a container by application of vacuum and rises to hold it clear of the conveyer 16 and transfer bed 68 during passage to beneath the filling heads 12. Just prior to reaching the filling station, each head 22 is again lowered and gas flows into the container, the flow continuing after the latter's release beneath a filling head. The filling head until it descends to filling position, also ejects gas above the container. Filling is then carried out with alternating applications of vacuum and gas to effect tamping of the powder. The filling device, which may be similar to that described in Specification 632,517 comprises a hopper 242 carrying the heads 12 and rotating about a shaft 286. Agitators 288, 291 are provided. Material is fed in through a pipe 270 and gas is supplied through a conduit 280 to a chamber 262 from which it flows via pipes 260 and 248 and valve blocks 250 to nozzles in the filling heads. Pipes 282 feed gas above the powder in the hopper. Vacuum is applied via the shaft 286, conduits 254 and 248 and the valve-blocks 250. The level of material in the hopper is controlled by a switch operating detector 290. The transfer and filling heads may be raised or lowered to accommodate various container heights. A member 26 ejects filled containers on to a conveyer 28.
Patent GB-223332-A (GB)
Title: Improvements in induction motors
IPC: H02K17/14
Filed: 1923-07-28
Abstract: 223,332. Benger, W. A., and Parkinson, Ltd., F. & A. July 28, 1923. Alternating-current induction machines.-In an induction motor having a stator winding adapted to give a smaller number of poles for running than for starting, connectors are arranged at one or both ends of the rotor conductors so that the winding pitch approximates to twice the starting pole pitch and also approximates to the running pole pitch. In Fig. 1, the stator NS has 8 poles for starting, the windings being rearranged to give 6 poles for running; the rotor conductors A - - J are joined at one end by connectors having a pitch of 1 to 3. Where a large number of conductors is used, the rotor resistance may be adjusted on the starting polarity by varying the connector pitch; finer adjustments may be obtained by having a system of connectors of half the resistance at each end, and varying the pitch at one end only. The connectors mav be enclosed in iron to limit the rush of current when changing polarity. The conductors may be arranged in several closed paths, or several adjacent conductors may be joined to a common connector.
Patent GB-274888-A (GB)
Title: Improvements in or relating to ironless induction furnaces or heating apparatus
IPC: H05B6/24
Filed: 1927-07-21
Abstract: 274,888. Siemens & Halske Akt.- Ges. July 24, 1926, [Convention date]. Induction furnaces.- In an ironless furnace operating with high or low frequency the induction coil 6 is immersed in the charge so that a large part of the external field passes therethrough. The coil is embedded in a refractory cylinder 5 and a pressure or vacuum connection 8 is fitted to the furnace chamber. A number of such coils may be provided in one furnace, concentrically arranged or not, and may be operated, by single or polyphase current. Other modifications employ a number of flat coils arranged in horizontal, vertical, or inclined planes. In Fig. 7 the coil 16 is arranged in a refractory body 17 having connections 22; 23 for supplying a cooling medium. The latter may be dispensed with if the coil is made hollow. The coil may be made of stranded cable for highfrequency operation.
Patent GB-459032-A (GB)
Title: Improvements relating to the frames and general arrangement of internal combustion engines
IPC: F02F7/00
Filed: 1936-07-13
Abstract: 459,032. Frames; general arrangement. DAIMLER - BENZ AKT.-GES., Unterturkheim, Stuttgart, Germany. July 13, 1936, No. 19385. Convention date, July 13, 1935. [Class 7 (ii)] The cylinder-axes C lie along the hypotenuse of a right angled triangle of which the other sides form supporting walls or ties 4, 6. The upper part of the tie 5 is formed on the lower half of the crank shaft bearing and integral with upper transverse ties or bridgepieces. The drive-shaft is accommodated in a tunnel 6 in the tie 5, and bearings 9 in the parts 10 receive valve-controlling shafts. The spaces 24 hold oil, circulated through openings 25 in the walls and bridge-pieces. Air circulates through the lower openings 23, but these may be used as oil reservoirs when the cylinders are water-cooled. Fans are mounted on the front of the engine in advance of each cylinderbank, and the engine-starter and associated gearing at the rear end of the casing. The lighting dynamo, ignition distributer, carburetter and all accessories lie between planes containing the base 4 and that tangential to the upper cover plate. The engine may comprise a single bank of cylinders only.
Patent GB-440654-A (GB)
Title: Improvements in or relating to thermally-operated control devices for electric switches
IPC: H05B1/02
Filed: 1934-07-02
Abstract: 440,654. Thermal switches. SADLER, A., 65, Temple Row, Birmingham.-(Schiele & Bruchsaler Industriewerke Akt.-Ges. ; Baden- Baden, Germany) July 2, 1934, No. 19414. [Class 38 (v)] An electric cooking device such as a hotplate is provided with a fusible thermal release for controlling the change-over or other switch, the release being provided with an auxiliary heating resistance in the supply circuit or in a shunt circuit therefrom so that the said element is heated by radiation from the appliance and /or by the auxiliary heating resistance. As shown in the Figure, a block 1 of insulating material is secured below the hot plate which carries the supply plugs la and the thermal release. The latter comprises a cup-sectioned member 3a carried on a spindle within a bearing 2 which is normally prevented from rotating therein by a body of fusible material 4. The bearing 2 is surrounded by a coil 5 in series with the heating elements of the hot plate or in shunt therefrom. The coil is of such a resistance that, when the hot plate is connected across the supply and is heating a heat-absorbing utensil placed thereon, when very little heat is conducted from the hot-plate to the thermal device, it will raise the material to the temperature at which the fusible material melts. The temperature of operation of the thermal element will, however, be reached much more quickly if no heat-absorbing utensil is placed on the hot-plate. The member 3a has a serrated edge which engages and holds a corresponding member 3b on the switch spindle, thus locking a quick-action heat or changeover switch in a circuit-closing position in which the switch-operating spring is stressed. The invention may be employed in connection with hot-plates which are connected across a relatively high-voltage supply to enable them to be warmed up rapidly.