baber/WOPTO huggingface dataset:
Patent GB-1329051-A (GB)
Title: Measuring the rate of flow of a liquid
IPC: G01F1/68
Filed: 1971-05-21
Abstract: 1329051 Reciprocating pumps PHILIPS ELEC TRONIC & ASSOCIATED INDUSTRIES Ltd 21 May 1971 [25 May 1970] 16308/71 Addition to 1155826 Heading F1A [Also in Division G1] A hydraulic pump 29 comprises a cylindrical casing 35 connected by ball valves 31, 33 to pipes 9, 7. A bellows 37, mounted on the lid of casing 35, is contracted when a motor 55 drives a lever 44 through a rack and pinion, allowing liquid to enter casing 35 from pipe 9. When the motor is de-energized a spring 43 restores the bellows to its original position, forcing liquid into tube 7. A switch 61, operated by the lever 44 in the rest position, ensures that the motor 55 is not reenergized until the pump bellows is fully expanded. In use the motor 55 is fed with pulsating current to produce corresponding pulsating flow of liquid in tube 7.
Patent GB-694919-A (GB)
Title: Improvements in combined shut-off and throttle valve assemblies
IPC: F01D17/14
Filed: 1951-07-10
Abstract: 694,919. Valves. BRITISH THOMSONHOUSTON CO., Ltd. July 10, 1951 [July 26, 1950], No. 16324/51. Class 135 A combined shut-off and throttling valve for controlling, e.g., a steam turbine has a cap-like throttling valve member 15 slidable on a fixed guide piston 12 carried by arms 14 welded to or integral with a valve seat member 7, and a shutoff valve member 20 slidable on the valve member 15 and on a fixed piston 22 supported by studs 23 mounted on the piston 12 and passing through clearance holes 15a in the valve member 15. The throttling valve member is actuated, through a rod 17, by a hydraulic motor &c., as in Specification 659,643, and the shut-off valve member is actuated, through a rod 26 having a lost-motion connection with the valve member and an auxiliary valve member 27 which controls admission of inlet pressure to the interior of the shut-off valve member for balancing, by manual and automatically actuated emergency mechanism also as in Specification 659,643. The seat member 7, which may be secured in the valve housing by tack-welds, has a passage of Venturi form, and the two valve closure members 15, 20 are bevelled exteriorly at 16, 20a so that, when open, they provide a substantially smoothly convergent, annular, entrance to the passage through the seat member. The fixed guide pistons 12, 22 have circumferential grooves 13, 24 with or without piston rings. The sliding surfaces of the valve members may be nitrided and ground. In a modification, the upper fixed piston 22 is omitted.
Patent GB-1485944-A (GB)
Title: Slant axis rotary fluid machine having a housing
IPC: F04C21/00
Filed: 1976-04-22
Abstract: 1485944 Rotary positive-displacement fluidmachines CATERPILLAR TRACTOR CO 22 April 1976 [6 Aug 1975] 16390/76 Heading F1F In a machine having a nutating rotor 16' on an oblique portion 14 of a power input, or output, shaft 12 the housing 10 has a part-spherical peripheral liner 30 clamped between "segments" 22, 24 so as to facilitate formation of sharp corners between the lateral and peripheral walls of the rotor chamber 18 and thus ensure satisfactory sealing, in those corners, between the rotor and housing. The liner may have its edges 42 wedged in tapering grooves 40 in the housing. Surfaces 32, 44 of the liner may be chromium plated. Grooves for a coolant may be formed in the housing behind the liner and possibly in the back of the liner too, as shown. The machine may be adapted to operate as a compressor, an I.C. engine, or a pump.
Patent GB-164427-A (GB)
Abstract: 164,427. Rist, D. A. V. Feb. 6, 1920. No Patent granted (Sealing fee not paid). Handles.-Contact blades t in the circuit of the ignition coil of an internalcombustion engine can be closed or separated by an insulating striking-piece s carried by a sliding rackbar r operated by a pinion q which is controlled by a lock and key m and t.
Patent GB-457742-A (GB)
Title: Improvements in and relating to electric discharge devices
IPC: H01J13/38
Filed: 1936-06-12
Abstract: 457,742. Discharge devices. BRITISH THOMSON - HOUSTON CO., Ltd., Crown House, Aldwych, London. June 12, 1936, No. 16455. Convention date, June 13, 1935. [Class 39 (i)] A starting electrode dips below the surface of a liquid cathode and is heated continuously by means independent of the starting current. A starting electrode 12 of tungsten, molybdenum or tungsten carbide extends into a mercury, gallium or tin cathode 2 of an arcdischarge rectifier, and is supported through a surrounding heating winding 11 by leading-in wires 10. The main anode 4 is formed of graphite or molybdenum and is cup-shaped. The rectifier is connected to a load 15 which may consist of a spot-welding set. The winding 11 is connected to the alternating- current mains 14 through a transformer 16, and the electrode 12 is connected to the anode through a resistance 18 and a rectifier 17. The grid 19 of the rectifier 17 is connected to a point between a condenser 21 and variable resistance 20, which are connected in series across the mains, so that the point in each cycle at which the discharge is ignited can be regulated. A potential difference of 2 volts between the electrodes 2, 12 is sufficient to ignite the arc. In another form, a tungsten or molybdenum heater 11 may form the starting electrode.
Patent GB-695718-A (GB)
Title: Improvements in loom take-up motions
Inventor: SHORTER SYDNEY ALFRED
IPC: D03D49/20
Filed: 1950-07-01
Abstract: 695,718. Loom take-up motions. BRITISH COTTON INDUSTRY RESEARCH ASSOCIATION. June 28, 1951 [July 1, 1950], No. 16467/50. Class 142(ii) A take-up motion renders weft-barring arising from inaccuracies in its drive imperceptible by ensuring that the wavelength " of such barring shall not lie between the range of # inch-10 inches. The drive includes a change-speed gear train preceding a large step-down ratio. The drive described is taken from the half-speed shaft which drives through bevel gears 12, 13 a shaft 14. The bevel gears may be disengaged by linkage 17. The shaft 14 carries a gear 18 driving an idler 21 mounted on an adjustable quadrant 20 and in mesh with a change wheel 25. The wheel 25 is secured to a shaft carrying a worm 24 driving. a worm wheel 30 on the take up roller shaft. A handwheel 26 permits take-up or letback, and rapid manual operation of the roller is obtained by declutching at 31 a handwheel 33 keyed to the roller shaft, from the worm wheel 30, loose on this shaft. An example of tooth ratios given for gears 18, 21, 25, 30 is 30 or 60, 50, 32-80, 150 teeth respectively, for a 10 inch circumference take-up roller.
Patent GB-199594-A (GB)
Title: Grip for playing clubs
IPC: A63B53/14
Filed: 1922-06-14
Abstract: 199,594. Armstrong, G. M. June 14, 1922. Handles.-A tubular grip 1 for the handle of a golf club, tennis racket, baseball bat, or the like, is constructed with an inlaid longitudinal sighting marker 2 which does not affect the player's grip but serves only as a visible indicator.
Patent GB-1468751-A (GB)
Title: Process and apparatus for steel production by the melting of fe rrous material such as scrap
IPC: C21C5/28
Filed: 1974-04-16
Abstract: 1468751 Steel production KLOCKNER-WERKE AG 16 April 1974 [21 May 1973] 16544/74 Heading C7D A column 3 of scrap, pig, sponge or other ferrous material is melted from below by a flame 5, the molten material passing into a converter vessel 7 in which molten crude iron and other additives are already present, and wherein the bath, which contains 30-60% of crude iron is refined by oxygen blowing. Refining may be carried out while the charge is being accumulated, and the gases evolved may be burnt in the shaft. In one particular form of apparatus the solid charge is melted by a burnerlance 4 extending downwardly through the shaft 1 and capable of downward movement into the converter 7 for oxygen blowing, while in an alternative form the burner projects upwardly from the base of the shaft and molten metal and slag is discharged through an offset outlet 6 into a bottom blown converter. Gases leaving the converter are ducted into the shaft where they are burnt with air  admitted through opening 12. In another form a melting shaft may supply two or more mobile converters.
Patent GB-1137163-A (GB)
Title: Production of carboxylic acids
Inventor: KUTEPOW NIKOLAUS VON
IPC: C07C51/145
Filed: 1966-04-15
Abstract: 1,137,163. Carboxylic acids. BADISCHE ANILIN- & SODA-FABRIK A.G. 15 April, 1966 [17 April, 1965], No. 16559/66. Heading C2C. Carboxylic acids are prepared from olefinically unsaturated compounds, carbon monoxide, and water at elevated temperature in the presence of palladium and/or a palladium compound and an oxidizing agent with an oxidation potential of more than 0À1 volt, at from 30‹ to 210‹ C. Unsaturated compounds may be ethylene, vinyl chloride, propene, butene-(2), hexene-(3), dodecene-(1), 2-ethylhexene-(1), propenylbenzene, vinylcyclohexene-(3), cyclohexene, cyclooctene, cyclododecene, butadiene-(1,3), isoprene, piperylene, cyclooctadiene-(1,5), octatriene- (2,4,6), methylheptatriene, cycloheptatriene- (1,3,5), cyclododecatriene - (1,5,9), 1 - chlorocyclododecadiene - (5,9), cyclooctatetraene, ethyl acrylate, acrylonitrile, acrylamide, allyl alcohol, allyl chloride, oleic acid, ricinoleic acid, undecylenic acid, methyl allyl ether, cyclohexadienes and acrolein. The oxidizing agent may be iodine, peroxides, persulphates, lead dioxide, manganese dioxide, copper (II) chloride, potassium permanganate, potassium dichromate, benzoquinone, oxygen, or the oxidation may be by electro-chemical means with an anode at the appropriate potential. Examples describe the preparation of propionic acid, cyclododecadiene- (5,9)-monocarboxylic acid-(1) which may be hydrogenated to cyclododecane monocarboxylic acid, and butene-(2) carboxylic acid-(1).
Patent GB-111329-A (GB)
Title: Improvements in Double Helical Gear Trains.
Inventor: PARSONS CHARLES ALGERNON
IPC: B63H23/00
Filed: 1916-11-21
Abstract: 111,329. Parsons, Sir C. A. Nov. 21, 1916. Toothed gearing.-In double helical reduction gearing, the driving and driven wheels, or the centres of their teeth, on intermediate shafts are symmetrically disposed about the centre of gravity or other point in the shaft, in order that the forces due to the reaction of the driving-wheels and those due td the reaction of the driven wheels may be each symmetrically disposed and not tend to alter the alinement cf the shaft. The drawing shows the invention applied to a ship in which a propeller shaft 4 is driven by turbines. The high and low pressure turbines a, h drive through intermediate shafts 2, 3, and the intermediate turbine l and a low-pressure turbine, not shown, drive through the intermediate shafts C, B. In the case of each intermediate shaft, as shown for example in connection with the shafts C, B, the two driving and the two driven pinions are arranged symmetrically on each side of the centre of gravity of the shaft. The bearings of the intermediate shafts may be equidistant from the centres of gravity. Specifications 104,416, 104.458, and 108,310. [Class 110 (iii), Turbines &c.], are referred to.
Patent GB-728343-A (GB)
Title: Tooth-brush
IPC: A46B11/00
Filed: 1953-06-17
Abstract: 728,343. Toothbrushes. MAGEL, H. June 17, 1953 [June 20, 1952], No. 16686/53. Class 19. A reservoir toothbrush comprises a hollow handle into which a glass ampoule 3 containing a tooth-cleaning liquid may be inserted. The handle is closed by a cap 4. The ampoule comprises a narrow neck-portion 3a and liquid is expelled from the ampoule past the neck-portion to the brush head by swinging the brush.
Patent GB-616832-A (GB)
Title: Improvements in or relating to apparatus for drilling metal by disintegration
IPC: B23H9/00
Filed: 1946-06-01
Abstract: 616,832. Perforating by fusion. SYNCROCUT SERVICE CO. June 1, 1946, No. 16691. Convention date, June 20, 1944. [Class 83 (iv)] [Also in Group II] Apparatus for making holes in metal by rapid, successive heating and cooling, comprises a main electrical A.C. or pulsating D.C. circuit in series with a coolant carrying electrode 19 and a compensating coil 18, with a solenoid 9 fed with half-wave rectified A.C. reciprocating the electrode 19 in synchronism with the main current, striking the disintegrating heating arc during positive half-cycles only. The rectifier and main transformers are shunt fed, the main circuit voltage is adjustable, and the electrode stroke length is rheostat-controlled. The compensating coil 18 assists the solenoid 9 to draw the spring-urged electrode 19 off the work in the positive half-cycle, and aids the spring 25 in thrusting the electrode 19 against the work during the other half-cycle when the solenoid 9 is de-energized. The compensator 18 carries the main current and cooling fluid to the electrode 19 coupled to the solenoid armature 23.
Patent GB-647314-A (GB)
Title: Improvements in centrifugal casting machines
IPC: B22D13/10
Filed: 1948-06-22
Abstract: 647,314. Casting-machines : pouring-apparatus. SOC. POMPES NOEL., and BOUCHER, J. June 22, 1948, No. 16728. [Class 83 (i)] A feeding device for a centrifugal casting- machine comprises a tilting ladle 1, adapted to hold enough metal for a number of castings, which is tilted through successive angles to charge successively a series of moulds as these are moved into casting position. This may be effected by a projection 49 on the mould carrier 9 striking, as it moves in the direction of the arrow f and just before it reaches the broken-line position, an arm 46 of a valve 42 to admit pressure fluid at a rate controlled by a cock 44 to a cylinder 17c, thus causing a piston 17b rapidly to tilt the ladle 1 through a small angle. The pressure fluid also passes a non-return valve 38 into a cylinder 34, the piston 33 of which closes a clutch 28 causing a constantly-running motor 31 to drive a gear 26 and slowly raise a segment 19, rod 17 and ladle 1 to pour the metal required into the trough 6. The mould is then moved to the right and a projection 48 strikes an arm 47 and reverses the valve to exhaust the pipe 39 and cylinder 17c, thus rapidly tilting the ladle back a little and stopping the pour. The cylinder 34 is slowly exhausted through the preset cock 37, a spring 35 opening the clutch 28 and stopping the rise of the segment 19, a brake 21 being arranged to prevent it from falling back. This operation is repeated each time a mould is fed over the trough 6 until the ladle is substantially empty. Then the brake 21 is released by pulling a handle 25 and the ladle is returned to its original position for refilling. Pouring may be stopped at any time by opening a cock 40. To prevent cooling the ladle has a hinged and counterbalanced lid 52, Fig. 3, with a refractory lining having a scum retaining ridge 62. In a modification the brake drum 20 is connected to the segment 19 by a lost-motion device 78, Fig. 8, so that the segment does fall back a little when the clutch is opened. Unclutching may be accelerated by opening the cock 37 wide. In a modification the ladle has two spouts 4a, 4b, Fig. 7, to feed two moulds (not shown), at each movement. In this case one pivot 70 is adjustable to ensure equal flow through each spout.
Patent GB-278097-A (GB)
Title: Improvements in methods of making finely perforated ceramic plates for use in the manufacture of artificial silk and for other purposes
IPC: B28B1/48
Filed: 1926-07-03
Abstract: 278,097. Scheid, J. F., Tonndorf, V., and Zeiss, C., [Firm of]. July 3, 1926. Pottery.-Fine perforations are made in plates of ceramic material by introducing steel needles into the moulded material while still plastic and removing them again before firing. In some instances the perforations may not penetrate entirely through the material, the unperforated face of the fired article being removed, for example by grinding, until the perforations are exposed. Fig. 1 illustrates holes d made in the base of the plastic body a by means of needles b attached to a common plunger c.
Patent GB-534457-A (GB)
Title: Improvements in and relating to detector coupling circuits
IPC: H03D1/10
Filed: 1939-06-08
Abstract: 534,457. Valve circuits for wireless reception. THORNTON, A. A. (Philco Radio & Television Corporation). June 8, 1939, No. 16803. [Class 40 (v)] In a direct coupled detector-amplifier circuit particularly for television receivers, the maximum amplitude of the detected signals is made approximately equal to the cut-off bias of the first L.F. amplifier so as to reduce the effect of noise above this amplitude. The intermediate frequency input, subject to A.G.C., is applied between earth and the cathode of a diode V<SP>1</SP> while the load comprising condenser 4, resistance 5 and a small reactance 17 is connected between earth and the 'anode. The detected output is applied directly through a peaking coil 18 to the grid of a L.F. amplifier V<SP>2</SP> having a sharp cut-off, which is adjusted to equal the controlled maximum input, by means of a bias battery 13. Synchronizing signals are taken from screen grid of V2 in the manner described in Specification 530,319.
Patent GB-1030249-A (GB)
Title: Herbicidal compositions comprising benzonitrile derivatives and their use as herbicides
IPC: A01N37/40
Filed: 1963-08-20
Abstract: The invention comprises ethers, esters and ammonium (including mono-, di-, tri-alkyl- and hydroxy alkyl-amine) salts of 3-halogeno- and 3,5 - dihalogeno - 4 - hydroxy benzonitriles.  The esters may be prepared by reacting the parent hydroxy compound with the desired carboxylic acid anhydride in pyridine.  The ethers may be prepared by reaction with an alkylating agent and the ammonium salts by conventional methods.  The compound 3,5-difluoro - 4 - hydroxy - benzonitrile is also claimed and is prepared by reducing 4 - methyl - 2,6 - dinitrophenol (H2 with Pd catalyst) to 2,6-diamino-4-methyl phenol which is diazotized in the presence of fluoborate to form the diazonium fluoborate adduct.  This is heated to yield 2,6-difluoro-4-methyl-phenol which is oxidized (Br2/acetic acid) and the product hydrolysed to give 3,5-difluoro-4-hydroxy-benzaldehyde which in turn is converted to the aldoxime which is reacted with acetic anhydride and hydrolysed to give the required compound.ALSO:Herbicidal compositions comprise an inert diluent and a 3-halogeno- or 3, 5-dihalogeno-4-hydroxy-benzonitrile or an ether, ester or agriculturally acceptable salt thereof, e.g. an ammonium salt.  Preferred derivatives are the lower (C1-12) alkyl ethers, lower alkanoyl esters and ammonium, mono-, di-and tri- (C1-3) alkyl- and hydroxy- (C1-3) alkyl-ammonium salts thereof.  They may be formulated as dusts, wettable powders, granules and spray solutions. The invention also comprises the use of the active compounds and the above compositions as herbicides.
Patent GB-384578-A (GB)
Title: Improvements in or relating to means for preventing unauthorized use of motor vehicle
IPC: B60R25/01
Filed: 1932-06-14
Abstract: 384,578. Preventing unauthorized use of motor vehicles. WENSLEY, F. P., 76, Powys Lane, Palmers Green, and WOODS, F. W., 54, Queen's Gate Terrace, Kensington, both in London. June 14, 1932, No. 16841. [Class 79'(iii).] A view-obstructing blind adapted to be drawn down and secured in position in front of or behind the windscreen to prevent unauthorized use of a motor vehicle as described in Specification 375,801, is protected against forcible displacement by metal guideways g fixed to the side members e of the windscreen frame in which the lateral edges of the blind run and a horizontal grooved metal bar h secured to the upper portion of the dashboard i in which the lower edge of the blind engages, so preventing ready insertion of a tool between the wind-screen and blind. A locking plate k secured to the lower edge of the blind passes through an opening in the bar h into a box m containing a spring bolt operated by a Yale (R.T.M.) or other type look. The blind, which may be of flexible material or formed of hinged metal slats, is mounted on a spring roller b supported at its ends bl in a metal casing c carried by brackets d welded or screwed to the upper part of the windscreen frame.
Patent GB-380135-A (GB)
Title: Improvements in or relating to apparatus for cutting flat glass
IPC: C03B33/03
Filed: 1931-06-12
Abstract: 380,135. Cutting sheet glass. PILKINGTON BROS., Ltd., 631, Tower Building, Water Street, Liverpool, and SLOCOMBE, F. E., Sandall Grove, Kirk Sandall, Yorkshire. June 12, 1931, No. 17115. [Class 56.] Relates to apparatus for cutting flat glass in which the glass is laid on a conveyer and is carried by it beneath a cutting-head. The invention consists in locating the glass on the conveyer by means of a fence or fences which move with the conveyer and may be moved into or out of operative position during the movement of the conveyer. The device is shown in transverse sectional elevation in Fig. 1. The conveyer consists of transverse slats 4 attached to endless chains by means of brackets 6, the upper flight of the conveyer being supported on guides 7. At intervals, a slat 4 is replaced by a slat 5 which constitutes a cross fence. Each slat 5 comprises two parallel members between which a member 14 slides vertically. A circular cam, which can be moved into or out of operative position by means of a pedal, is carried by a bracket attached to one of the bearings of the chain wheel at the loading end of the conveyer. When the cam is in operative position, it engages a depending lug 36 secured to the slidable member 14 of a slat 5, and raises the member above the surface of the conveyer to act as a cross fence. A cam 38, secured to the frame of the machine, engages the lug 36 and draws the member 14 downwards just as the fence approaches the cutting-head, so that the fence cannot strike and damage the cutter. The slat 5 can be adjusted on the brackets 6 to be accurately at right-angles to the direction of movement of the convever. The side fence consists of channel-shaped blocks 54 attached to the links of a chain 55 which passes around two chain wheels 46, Fig. 5, and is driven at the same peripheral speed as the main conveyer. The chain can be raised or lowered by hand-levers or by any convenient means, such as an electric solenoid 50. The blocks 54 are guided between two members 57 running the whole length of the conveyer. When the chain is in its lowest position, the blocks 54 are below the level of the slats 4 of the main conveyer so that large pieces of glass can be laid on the conveyer and project beyond its edge. In another construction, the side fence is formed by members 62, Fig. 6, which slide in slots formed in blocks 60 attached to the links 55 of an endless chain. The member 62 is slotted to receive the arm 64 of a lever pivoted on the block at 65, the other arm 66 of the lever being adapted to strike a cam 67 which can be moved into or out of the path of the arm. Another cam returns the member 62 to the inoperative position at a point beyond the cutting-head. In another construction, the blocks of the side fence are moved horizontally by the slats of the main conveyer, but are guided independently and are raised and lowered by cams similar to the cam 67.
Patent GB-560372-A (GB)
Title: Improvements in and relating to variable electric condensers
Filed: 1942-12-02
Abstract: 560,372. Adjusting condensers. MULLARD RADIO VALVE Co., Ltd., VINALL, C. W., BARRY, W. C., and MAITLAND, C. E. Dec. 2, 1942, No. 17156. [Class 37] An electric condenser comprises a ceramic tube 1 carrying a fixed electrode 2 which co-operates with an adju stable electrode 5 carried on a rod 6 having screw-threaded engagement with a unit 8 in the form of a coil of wire which closely embraces the end of the ceramic tube 1 and has a free end 9 for electrical connection. The element is dipped in a solder bath to solidify coil 8, the rod 6 being treated to prevent adhesion of the solder. A supporting member 10 surrounds nut 8 to which it is soldered, and carries an arm 12 having a claw-like end for engaging the screw-thread on rod 6 to give good electrical connection. A second connection member 3 surrounds the fixed electrode 2 to which it is soldered. In a modification, the fixed electrode is formed of a coil of wire surrounding the tube 1.