baber/WOPTO huggingface dataset:
Patent GB-695546-A (GB)
Title: Improvements relating to high performance air-cooled internal combustion engines
IPC: F02F1/32
Filed: 1950-04-19
Abstract: 695,546. Air-cooled engines. ASSOCIATED MOTOR CYCLES, Ltd., and HATCH, H. J. July 19, 1951 [April 19, 1950]. No. 26809/49 Classes 7 (ii) and 7 (vi). A cylinder head, e.g. for a motor-cycle engine is provided with an inlet valve 4 and two exhaust valves 2 which are so inclined that their axes A intersect at a point C beyond the axis B of the cylinder bore. A camshaft may be located above and to one side of the inlet valve to operate push-rods 7 and rockers 8 for the exhaust valves; alternatively, cams may be disposed above the exhaust valves which are then operated by tappets and levers. One half of the cylinder head may be part-spherical in form, and the inlet valve may be larger than the exhaust valves.
Patent GB-1000307-A (GB)
Title: Water-soluble polymers and copolymers
IPC: C08F2/08
Filed: 1962-07-12
Abstract: Water-soluble polymers and copolymers are prepared by mixing a concentrated aqueous solution of an ethylenically unsaturated water-soluble monomer such as coylamide and a polymerization catalyst with an organic water-insoluble heat transfer medium such as benzene, toluene or xylene, and thereafter allowing the monomer to polymerize in the aqueous phase in the presence of a surface active compound which acts as an antisticking agent.  In the preferred process an aqueous solution is prepared containing from 30 to 80% by weight acrylamide, 20 to 70% of water and 0-50% urea, based on total weight of solution and 0.003 to 0.2% based on weight of acrylamide of a polymerization catalyst such as potassium persulphate.  The water solution is then added to it mixed with a water-insoluble, organic heat transfer medium which preferably is capable of forming an azeotropic mixture with water. The mixture should contain a minor amount of a surface-active agent which prevents the polymer from sticking to the agitator and the walls of the vessel.
Patent GB-505818-A (GB)
Title: Improvements relating to bottle and other like filling machines
IPC: B67C3/26
Filed: 1937-10-16
Abstract: 505,818. Bottling. MEADOWCROFT & SON, Ltd., W., and MEADOWCROFT, W. Oct. 16, 1937, No. 27039/38. Divided out of 492,367. [Class 125(ii)] A counter-pressure bottle-filling machine of the type described in Specification 363,468 in which a rotary valve member Q controls the passage of gas and liquid from a common reservoir A, has at the upper part of the liquid passage S carried by the valve member a counterbalanced inverted cup-shaped member K which shuts off the further passage of liquid should a bottle burst, the cup-shaped valve member serving at other times to prevent contamination of the liquid in the reservoir with any foreign matter that may be contained in a bottle to be tilled. Further, the gas pressure supply pipe T from the reservoir, is provided at its upper end with a ball valve t<5> carried by a cam lever t<7> and normally held in proximity to its valve seat in such a manner that a sudden rush of gas as occurs should a bottle burst, closes the valve; when, however, a bottle is being filled with gas, the parts are in such a position that the cam lever is actuated by a stud t<10> so that the ball is held away from its seating. The rotary valve member Q is actuated by a star wheel O through the jointed connection n<6>, and is forced on to its seating by a spring U which surrounds that member. The port s<3> in the seating corresponds with the liquid-supply passage S of the valve member, and from the port the liquid passes to an annular space h enclosed by a cone h<1> which enters the mouth of the bottle ; the gas port t<1> in the seating is elongated so as to permit the bottle to be filled with gas under pressure and thereafter on further actuation of the valve Q to be put into communication with both the gas and liquid spaces of the reservoir. Gas is supplied through a tube G which depends into the bottle. Specification 492,367 also is referred to.
Patent GB-1394200-A (GB)
IPC: C21D1/773
Filed: 1972-09-15
Abstract: 1394200 Continuous metal heating furnaces ALLEGHENY LUDLUM INDUSTRIES Inc 15 Sept 1972 [17 Sept 1971] 27141/74 Divided out of 1394197 Heading F4B The subject-matter of this Specification is substantially the same as that disclosed in Specification 1,394,197, but the claims are concerned with apparatus for heat treating strip material in coil form comprising an elongated furnace structure, means for dividing said furnace structure into a plurality of independently controllable heating and cooling zones, means for supporting and advancing coils through said furnace structure, means for circulating a non-oxidizing gas through said furnace structure, a sealable chamber at the entrance end of said furnace structure, means for generating heat within said sealable chamber and means for evacuating said sealable chamber while a coil of strip material is heated therein.
Patent GB-533058-A (GB)
Title: Rotary radial piston pump
IPC: F04B1/04
Filed: 1939-10-04
Abstract: 533,058. Revolving-cylinder pumps. HAWLEY, J. B. Oct. 4, 1939, No. 27172. [Class 102 (i)] The revolving cylinder of a radial-piston pump is mounted on longitudinally spaced bearings on a stationary pintle, and is mounted also on bearings carried by the housing and of larger diameter than the pintle-bearings, the arrangement being such that on flexing of the pintle, the pintle-bearings remain concentric and the movement is accommodated by the housing-bearings. In the pump shown in Figs. 1 and 3, a cylinder-block 32, formed with radial bores 32a containing pistons 43, is arranged in a housing 10 and is revoluble on roller-bearings 33, 34 carried by a stationary pintle 32, and on roller-bearings 46 which are carried by cover-plates 11, 13 and are of greater diameter than the bearings 33, 34. If the pintle flexes, the bearings 33, 34 remain concentric, and the larger bearings 46 are able to accommodate the movement. If the cylinderblock rubs on the pintle, a bearing is provided by a thin anti-friction sleeve 22f welded thereon. The pintle is formed at one end with a square part which is clamped between inlet and outlet blocks 17, 21 connected by pipes 16, 20 to inlet and outlet fittings 14, 18 secured to the housing. The blocks 17, 21 have circular ribs 17b, 17c which enter grooves in the blocks and rest on gaskets, the arrangement enabling the pintle to flex slightly about the axis of the grooves. To provide for flexing, the pintle is arranged in a seal consisting of an angular leather ring 27 and a cork ring 28 mounted between plates 24,27 on the cover-plate 13. A similar seal 64c, 54d is provided for a driving-shaft 52 secured to the pintle. The pintle is formed with upper and lower passages 22d communicating with the blocks 17, 21. The pistons 43 are arranged in pairs, each pair being mounted in a pair of bores 32a having a common port 32b for communicating with ports 22e leading to the passages 22d. The pistons consist of a brass shell 43a secured by a nut 44 to a plug 40a on a cross-head 40 which is guided by slots in the cylinder-block. The plugs are formed with grooves 40c which fill with lubricant and thereby prevent passage of air. Each pair of pistons is connected by a spindle 42 which is mounted on roller-bearings 41 in a pair of cross-heads and is provided with rollers 45, 42a for engaging a ring 56. The cylinder-bores may be arranged singly, in which case each piston is provided with a splined, cylindrical cross-head. End plates 57, 58 secured to the ring are mounted on roller-bearings 60 in a support 61 which is provided with rollerbearings 63, 69, 72 engaging plates 67, 70, 72 in the housing. The support is automatically or manually adjustable to vary the eccentricity of the ring 36 in relation to the cylinderblock 32. Lubricant is fed through passages 22c, 22cc, 52c in the pintle to the cylinder-block and the roller-bearings thereof.
Patent GB-615903-A (GB)
Title: Improvements in electrolytic cells
IPC: C25B9/19
Filed: 1945-10-17
Abstract: 615,903. Electrolytic cells. SALLERAS, M. Oct. 17, 1945, No. 27245. Convention date, Sept. 20, 1940. [Class 41] An electrolytic cell, for use, for example, in the manufacture of alkaline hypochlorites, comprises a horizontal impervious anode 2 and a horizontal impervious cathode 1 above the anode, the anode and cathode, together with a lateral wall or walls, defining a confined space adapted to bo kept filled with electrolyte. As shown, the electrodes, made for example of graphite, are spaced apart by a piece 3 of rubber or other insulating material. A layer of glass wool 4 may be provided above the anode 2 to prevent oxidation of the hypochlorite formed. The elements are held together by rods 5 with bolts 6 and nuts 7. The electrolyte enters the cell through a hole 8 in the anode and passes out through a hole 9 in the cathode. The cell may be used for the electrolytic production of chlorates or perchlorates.
Patent GB-1249503-A (GB)
Title: Improvements in machines for automatic injection moulding
IPC: B29C45/70
Filed: 1969-05-29
Abstract: 1,249,503. Injection moulding machines. TAPSER PORTUGUESA L.D.A. 29 May, 1969 [28 March, 1969], No. 27246/69. Heading B5A. An automatic injection moulding machine comprises an hydraulic cylinder 2 whose pistonrod 17 moves a heating chamber 7 towards a female mould plate 8, then moves the chamber 7 and mould plate 8 towards a male mould part 20, and then effects injection through a nozzle 19. A number of male mould parts 20 are mounted on a rotary turret 41 and each part 20 may carry a preformed part. Moulding material is supplied from a hopper 21 by means of interconnected rods 29, 32 whose distance apart determines the amount delivered. The rod 32 is the piston-rod of a pneumatic cylinder 33 and carries a collar 34 which, upon engagement with a tie plate 24, moves this plate and a second plate 23 to the right in Fig .5. The material between the rods 29, 32 drops into a passage 18 whence it is pushed by the piston-rod 17 into the heating chamber 7.
Patent GB-986477-A (GB)
Title: Improvements in or relating to electrical control circuits
Inventor: BALHAM HARRY
IPC: G07C3/14
Filed: 1963-07-10
Abstract: 986,477. Photo-electric control systems. STANDARD TELEPHONES & CABLES Ltd. July 10, 1963, No. 27282/63. Heading G1A. [Also in Division H3] A photo-electric control system utilizes a circuit for generating pulses the amplitude of which is dependent on the magnitude of an input voltage, a capacitor C1 is normally charged so as to reverse-bias a thyratron V until contacts A1 are reversed, when capacitor C1 discharges via resistor R1. The thyratron V is then triggered after a period dependent on the magnitude of the input voltage at T1h, energizing relay B. Capacitor C2, normally charged from source E2, is discharged via resistor R2, hence the amplitude of the pulse provided at T2h is dependent on the time when contacts B1 are closed and hence on the magnitude of the input voltage at T1h. Resistor R2 may be replaced by a linear discharge device such as a voltage dependent resistor, semi-conductor device or a thermionic valve. Alternatively components E2, R2, C2 may be omitted and contacts B1 connected to capacitor C1. Photo-electric control systems. The invention may be applied to a system as described in Specification 986,476 for balancing the air gaps of a rocking armature transducer arranged in an optical system so that a pair of photo-transistors (not shown) respectively provide voltages VP, VQ (Fig. 2a) dependent on the magnitude of the air gaps. One of relays P, Q is energized dependent on which of the voltages VP, VQ is the greater. The voltage difference is fed via terminals T1G, T1H to the pulse generating circuit of Fig. 1 which feeds a pulse of amplitude dependent on the magnitude of the difference voltage via a chain of resistors RU (Fig. 2b) and contacts P2 or Q2 to solenoids which tend to correct for the unbalance in the air gaps. If VP > VQ, relay P will be energized, energizing relay A via a sequence control circuit SCC (not described in detail). A high speed relay F, energized by the charging current of capacitor C4 will energize relay G which after a time delay imposed by relay H will energize one of the coils U of a stepping switch so as to increase the total resistance of resistors RU and hence decrease the amplitude of pulses applied to the correcting solenoid. Each pulse is terminated by relay A being released by the sequence control circuit SCC, thus releasing all other relays. If the first pulse was insufficient to correct the error, the charges on C4 will prevent energization of relay F hence the stepping switch U will be advanced so as to increase the amplitude of the next pulse. If the correction due to one pulse is excessive, relay Q will be energized, so that relay F is energized by the discharge and recharge current of C4, energizing relay G and decreasing the amplitude of the next pulse fed via contacts Q2 to the second correcting solenoid. When the air gaps are within tolerance, neither relays P or Q are energized so that further energization of relay A is prevented.
Patent GB-787249-A (GB)
Title: Travelling wave electron discharge device
IPC: H01J23/27
Filed: 1954-09-21
Abstract: 787,249. Waveguides. VARIAN ASSOCIATES. Sept. 21, 1954 [Oct. 12, 1953], No. 27312/54. Class 40 (8). [Also in Group XL (a)] A travelling wave tube comprises a slow wave structure in the form of two contra-wound helices, or an electrically equivalent structure, of approximately the same diameter connected at at least one end to a common terminal symmetrical with respect to both helices, so that the helices are in parallel, so that for any transverse plane the current components crossing the plane in each helix are of the same phase, whereby the longitudinal electric field components are additive and the # varying components (spatial harmonics) are reduced to a small value. One form, Fig. 5, has a metal tube 27 in which are cut two sets of V-shaped notches 180 degrees apart; in Fig. 6 rings 31 are connected by short bars 32, and in Fig. 7 wire helices 34, 35 are wound respectively outside and inside a glass tube 33, or both wire helices can be wound outside the glass tube, Fig. 9 (not shown). The V-shaped notches, Fig. 5, are formed by a milling cutter, the tube being rotated a half-turn between cutting the two sets of notches. The notches at the ends are larger for impedance matching. In this form the wave transmission circuit is carried by three glass rods and coupled to tapered waveguides by common terminals connected to cylindrical hollow stubs, and flanges on the guides; if desired, however, coaxial feeder lines may be used, the inner conductors being connected to the transmission circuit and the outer conductors to a shield surrounding the tube envelope. The focusing electrode and collector have parts forming portions of the tube envelope. The invention can also be applied to travelling wave linear accelerators.
Patent GB-719605-A (GB)
Title: Improvements relating to gas grilling arrangements
Inventor: WERTHEIMER PAUL
IPC: F24C15/18
Filed: 1952-10-30
Abstract: 719,605. Grilling stoves. WERTHEIMER, P. Oct. 29, 1953, [Oct. 30, 1952.] No. 27317/52. Class 126. Grill frets arranged beneath a hot plate are spaced apart so as to permit observation of the food being grilled, and the hotplate is open above the gap between the frets so as not to impede observation. Two grill frets 11 slope upwards towards a gap 9 between them, and are heated by burners 13 at their outer edges. The fret covers 12 are provided with down-turned skirts 14 at their inner edges, and shields 15 outside the burners may also serve as guides for the grill pan 1. The hot plate 5 has an opening above the gap 9 of sufficient width for the food being grilled to be easily seen.
Patent GB-484706-A (GB)
Title: Improvements in or relating to television transmitting and receiving apparatus
IPC: H04N3/10
Filed: 1936-10-08
Abstract: 484,706. Television; cathode - ray tubes. BRONK, O. VON. Oct. 8, 1936, No. 27330. [Classes 39 (i) and 40 (iii)] Light or cathode rays are subjected to a delay in their transmission so as to impinge successively on successive portions of a screen to effect scanning. Utilizing light rays.-At the transmitter, an intermittent source 8, Fig. 1, of light provides light pulses which fall on an echelon 7 of plates a .... e of a material of high refractive index (e.g. flint glass) of increasing length. The pulse of light is subjected to internal reflection, the plates providing paths of different lengths, so that the pulse illuminates the end of each plate at consecutive times to provide one component of scanning. A moving slit 9 provides the other component of scanning, but it may be replaced by a similar echelon device at right-angles to the first. The device illuminates cells O2 .... O6 through a picture 1. At the receiver, the light source 8, Fig. 2, is modulated by the picture signals and illuminates a similar echelon 7 which is reversed with respect to that at the transmitter so that the paths through the plates are such that at a certain time the end of each plate is illuminated by the light corresponding to successive elemental areas. A shutter is then operated to allow the whole reconstituted line to be viewed. The shutter may be a Kerr cell 11, the initial polarizer being dispensed with since the repeated reflection within the echelon effectively polarizes the light. Utilizing cathode. rays.-At the transmitter, an intermittent control voltage is applied to the Wehnelt cylinder 12, Fig. 3, so that each voltage pulse produces an impulsive wave AB of electrons whose paths are rendered parallel by a focusing coil 21. A grid 14 has as many wires as there are lines to the picture, all connected to one end of a potentiometer 16. A similar grid 15 has each wire connected to different points of the potentiometer so that a steadily varying electrostatic field is produced which turns the wave AB through an angle to become the wave CD. This wave falls on a mosaic screen 19, impinging on each point of a line in turn to produce one component of scanning. Alternatively, the screen 19 may be tilted, and the grids 14, 15 dispensed with, Fig. 4, (not shown). The other scanning component is provided by magnetic or electrostatic deflecting means. At the receiver, the picture signals are applied to the Wehnelt cylinder 24, Fig. 5. A line of the picture, such as that represented in Fig. 6, corresponds to waves H<1>1, H<1>2, H<1>3 of electrons in the tube. These are inclined by the field produced by grids 26, 27 to a position as shown in Fig. 7 and fall on grids 30, 31 normally biassed to prevent any cathode rays passing. This bias is removed for a short period 30, 31, Fig. 7, so that a complete line is produced on the fluorescent screen. Instead of inclining the wave front of the cathode rays, the fluorescent screen and grids 30, 31 may be inclined, Fig. 9 (not shown).
Patent GB-491759-A (GB)
Title: Pressing irons
IPC: D06F75/16
Filed: 1937-10-08
Abstract: 491,759. Hand-irons. POHL, E. F. Oct. 8, 1937, No. 27418. [Class 138 (ii)] In a hand-iron having a water reservoir 26 for generating steam which is conducted from a steam dome 36 by a pipe 35 to apertures 32 in the sole plate 3, a baffle plate 51 is arranged longitudinally within the reservoir to cause a circulation of the water and to break up air pockets in the bubbles of steam. Steam passes into the dome through apertures in the upper part of a partition 43 and another baffle plate 48 is provided to prevent any water from reaching into the dome. The steaming apertures are arranged in the nose of the sole plate and around its edges, being closer together near the front of the iron. An expansible water-tight packing 10 is arranged between the shell 8 of the reservoir and the sole plate.
Patent GB-741910-A (GB)
Title: Improvements in or connected with wheeled toys
Inventor: THWAITES ALFRED
IPC: A63H7/04
Filed: 1953-10-07
Abstract: 741,910. Toys. STONE & CO. Ltd., H. G. Oct. 7, 1954 [Oct. 7, 1953], No. 27510/53. Class 132 (3) The wheels 5 at one end of a wheeled chassis 1, carrying a toy animal, are secured to an axle 4 having two cranks 6, 7 connected to the animal's rear right and left legs 13, 14, these legs are connected respectively to the front left and right legs 12, 11 so that, when the toy is moved over a flat surface, the legs are moved to imitate walking. The body 9 of the toy animal is secured to a central support 8 on the chassis 1 and the stuffing is reduced at the leg joints 10 so that the legs can be swung by the cranks. A plate 15 with a projecting pivot pin is secured to 'the inside of each leg and engages in the holed end. of one of two cranked connecting rods 16, 17 which connect respectively legs 13, 12 and legs 14, 11. The pivot pins on plates 15 secured to legs 13, 14 are connected to cranks 6, 7 by links 18, 19. Either the head or tail or both may be actuated by one of the cranks or by a further crank.
Patent GB-297837-A (GB)
Title: Improvements in or relating to liquid level indicators
IPC: G01F23/16
Filed: 1928-09-26
Abstract: 297,837. BussiÞre, M. Sept. 30, 1927, [Convention date]. Indicators actuated by pressure of head of liquid.-A device for supplying air to a pneumatic liquid level indicator for the fuel tank of a motor vehicle comprises a piston or diaphragm pump operated by a spring-balanced weight set in oscillation by the movement of the vehicle. An open-ended tube 2 connected to a pressure gauge carries a pump cylinder 6, the piston 7 of which is pressed upwards by a spring 12' against an extension 8<a> of a weight 8 mounted to oscillate on the tube 2 between springs 9, 10. Air is drawn into the cylinder through tube 13 and valve 14, and delivered through valve 15 and tube 3 into the open end of the tube 2 to keep the latter full of air, so that the pressure of the liquid due to its head above the bottom of the tube 2 is transmitted to the gauge. In a modification, the valves 14, 15 are arranged one above the other. The gauge may have two scales, one for indicating when the air-supplying means are in operation, and the other for indicating when the tank is being filled and the vehicle is at rest.
Patent GB-174681-A (GB)
Title: Improvements in or relating to water measuring valves
IPC: G01F15/00
Filed: 1920-09-29
Abstract: 174,681. New Zealand Flusher Co., Ltd., and Johns, S. O. Sept. 29, 1920. Valves controlled by pilot or relay valves.-A valve device for delivering a predetermined quantity of water comprises a main valve actuated by water pressure acting in a piston under the control of an auxiliary valve opened by hand and retained open by a catch subsequently released by a wheel or turbine acting through worm gearing and a cam. The main valve 27 is fitted with a leather face 29 secured in position by a screw 30 and is connected to piston 32 adapted to work in a cylindrical well 33 in the casing. Water from the inlet 20 passes through a strainer 56 and regulating screw 36 into a chamber 45 surrounding the well and thence through a space between the top of the well and a detachable cover 38 into the piston chamber. The auxiliary valve 43 is guided to work in the chamber 45 and has a depending spindle 53 adapted to be engaged by pivoted catch members 52, 78 on a spring-pressed rod 48. The upper end of this rod has a head 89 adapted to be engaged by a similar head on a push-piece 46 mounted in a removable member so that the rod may be depressed to allow the catches to snap, under the influence of a spring 54, beneath the end of the rod and subsequently allow the spring 55 to lift the auxiliary valve against the action of a light spring 82<a>. The catches are successively released to permit the auxiliary and main valves to close by a cam 75 rotated by a turbine wheel 25 arranged in the main conduit and acting through two sets of worm gearing 62, 72. According to the Provisional Specification, the apparatus may be arranged to close the main valve against the inlet pressure.