baber/WOPTO huggingface dataset:
Patent GB-440668-A (GB)
Title: Improvements relating to endless conveyors
IPC: B65G19/16
Filed: 1934-08-16
Abstract: 440,668. Endless - chain conveyers. REDLER, A., Dudbridge Works, Stroud, Gloucestershire. Aug. 16, 1934, No. 23696. [Class 78 (i)] An en masse conveyer is provided with a driving sprocket having a pitch diameter less than the vertical height between the two major parallel portions of the runs of the conveyer. As shown in Fig. 1, the conveyer, delivering material 5 to a shoot 3, comprises a chain 4 which is driven by a sprocket 6 and forms a loop 4B on its return run supported by a guide 8. This guide is provided with an aperture 8A by means of which overloading and jamming is prevented. The conveyer chain comprises roller chains 12, 13, Fig. 3, connected at intervals by flights 14 which are engaged by projections 11 on the sprocket 6. In a modification, Fig. 5, the chain comprises a single roller chain 17 provided with flights 18 at each side, the chain being driven by teeth 16 on the sprocket. According to the Provisional Specification, the aperture 8A may be provided with a non-return flap which may be spring-loaded, the position of the guide may be adjustable, and pressure springs may be provided to ensure fair leading of the chain.
Patent GB-1501617-A (GB)
Title: Timing circuit arrangements
IPC: H03K17/28
Filed: 1975-05-23
Abstract: 1501617 Measuring time electrically; timed control PLESSEY CO Ltd 23 May 1975 [29 May 1974] 23781/74 Headings G3N and G3T] A timing circuit includes an electro-chemical cell comprising a gold central electrode surrounded by electrolyte and a silver case forming the other electrode. Current is passed through the cell in one direction to plate the gold electrode with silver and in the opposite direction to remove the silver deposit from the gold and return it to the silver electrode. When the gold is plated the cell impedance is relatively low and increases rapidly as the plating is removed until finally the current flow is blocked because gold is inert to this chemical action and the cell acts as a capacitor. When the cell impedance is sufficiently high the volt drop across R2 + E switches transistor T1 to conductive state so that transistors T1, T2, T3 conduct and energize a motor M. The motor drives a cam which closes a switch SW1 for a predetermined period and operates a spray nozzle (not shown) of a pressurized fluid dispenser. Closing of SW1 reverses the current flow through the cell E, the current flowing through SW1, cell E and resistor R3 into transistor T1 and plating of the gold electrode recommences, the cell impedance decreasing until eventually the transistors T1, T2, T3 turn OFF when the cam releases SW1. The cycle is then repeated. The time intervals between successive operations of the motor M can be predetermined by selecting suitable values for resistors R1, R2, R3.
Patent GB-1274193-A (GB)
Title: The measurement of carbon particle intensity in i.c. engine exhausts
Inventor: WHEELER RICHARD WINSTON
IPC: G01N27/62
Filed: 1968-05-20
Abstract: 1,274,193. Analyzing gases. RICARDO & CO. ENGS (1927) Ltd. Aug.19, 1969 [May 20, 1968], No.23802/68. Heading G1N. The intensity of carbon particles in the exhaust gases of an I.C. engine is determined by measuring the potential developed on an electrode positioned in the gas stream. As shown, an electrode assembly 11 is insulatedly mounted in the exhaust duct 10 and includes a cylinder 13 with a cruciform member 12 therein. In an alternative, Figs.4 and 5 (not shown), the electrode is shaped as a frusto-cone insulatedly mounted at the end of the exhaust duct. A plurality of grids are mounted in the frusto-cone. The potential developed between the electrode and the duct is applied to an amplifier, e.g. triode or F.E.T., Fig. 3 (not shown), whose output is measured by a microammeter.
Patent GB-921952-A (GB)
Title: Blower means for the transport of dust-laden gases
IPC: F04D29/56
Filed: 1961-07-03
Abstract: 921,952. Axial-flow blowers. SVENSKA FLAKTFABRIKEN A. B. July 3, 1961 [July 5, 1960], No. 24028/61. Classes 110 (1) and 110 (3). In an axial-flow blower for handling dustladen gas and comprising adjustable impeller blades and fixed guide vanes beyond the impeller, the guide vanes are made wholly or partly of an elastic or resilient material, and means are provided for changing the crosssection of the guide vanes temporarily for breaking up and removing a layer of dust deposited from the gas and covering the surface of the guide vanes. In one embodiment, each guide vane comprises a frame 6, Fig. 2b, having an outer covering 7 of rubber or the like. Compressed air can be supplied through a pipe 8 to discharge through holes 9 in the frame 6 and displace the covering 7 out of contact with the frame over a part of the surface, whereby the layer of dust is broken up and removed. Fig. 3b shows an alternative arrangement in which the guide vane 10 is made wholly of elastic material. A member 11 provided inside the guide vane 10 has a projecting pin 11a by means of which it can be turned to distort the guide vane. The guide vanes may have an outer covering of polytetrafluoroethylene or the like to reduce the adherence of the dust.
Patent GB-259558-A (GB)
Title: Improvements in or relating to turbines actuated by fluid flow
Inventor: MARIE DARRIEUS GEORGES JEAN
IPC: F01D1/14
Filed: 1926-09-29
Abstract: 259,558. Soc. Anon. pour l'Exploitation des ProcÚdes M. Leblanc-Vickers. Oct. 9, 1925, [Convention date]. Current motors.-A current motor has blades a, Fig. 4, rigidly connected to the shaft and of thin stream-line contour with small head resistance allowing of a normal running speed sufficiently great to cause the relative wind velocity to be always directed on to the same end of the blades and to form with the mean axis of the blade a relatively small angle. The directing channel h may be dispensed with. Instead of being straight, the blades a may be bent as shown in Fig. 3, and carried by hubs f<1>, f<2> secured to a shaft g. The Specification as open to inspection under Sect. 91 (3) (a) comprises also a modification, Fig. 1 (Cancelled), wherein the blades a by means of links c and an eccentric d are given a moderate oscillating movement on their spindle b so that their main longitudinal axis deviates but slightly from the relative direction of flow w. This subject-matter does not appear in the Specification as accepted.
Patent GB-615289-A (GB)
Title: Improvements relating to electric discharge lamps
IPC: H01J5/40
Filed: 1945-08-02
Abstract: 615,289. Discharge lamps. BRITISH THOMSON-HOUSTON CO., Ltd. (General Electric Co.). Aug. 2, 1945, No. 24178/46. Divided out of and addition to 580,539. [Class 39 (i)] In an electric discharge lamp as described in the parent Specification, comprising a glass envelope 10 having an electrode 11 sealed therein by a base structure comprising a metal disc 12 fused to the end of the envelope 10 and a pair of contact members 13 rigidly secured to the disc 12, the ends of the electrode 11 being electrically connected to the contact members 13 of which at least one is electrically insulated from the disc 12, an exhaust tube 14 being sealed in an opening 21 in the disc 12, the opening 21 is formed so that its surrounding wall extends out of the plane of the disc 12 so as to afford protection for the exhaust tube 14 after the latter has been sealed off. The opening 21 is formed at the bottom of frustoconical re-entrant depression extending inwardly into the envelope 10. After the envelope 10 of the device has been evacuated, the exhaust tube is sealed off at 22 so as to lie wholly within the opening 21. One or preferably both of the contact members 13 are insulated from the disc 12 by a glass bead or beads 15 sealed thereto, which are inserted in and sealed to an inturned eyelet or eyelets 16 formed in the. disc 12. The disc 12, contact members 13, and beads 15 are preferably made of materials of matching coefficients of expansion, such as ferrochrome and a suitable soft glass. The disc 12 and envelope 10 may also be of materials of matching coefficients of expansion, such as the chrome-iron alloy " Alleghany 55 for sealing to soft glass or the iron-nickel-cobalt alloy " Fernico " for sealing to hard glass. The disc 12 may be strengthened by circularly embossing it, or by dishing. A similar base disc structure without the exhaust tube may be provided at the other end of the lamp. Reference has been directed by the Comptroller to Specification 597,577.
Patent GB-194735-A (GB)
Title: An improved pump adapted to be driven by the suction of an internal combustion engine
IPC: B60C23/14
Filed: 1921-09-12
Abstract: 194,735. Constantinesco, G. Sept. 12, 1921. Actuating pumps by fluid-pressure motors.- Suction obtained directly from the induction pipe of an internal-combustion engine operates a piston connected with the piston of a compressor. A motor cylinder a and a pair of compressor cylinders b are disposed coaxially and provided with pistons on a common rod, the motor piston being actuacted by connection of the cylinder ends alternately with the suction pipe of an engine between the throttle and the carburettor and with the atmosphere. A flexible pipe g connects the suction with a hollow rod f which is provided with a flange h, a collar k, and an interposed spring outside the cylinder and with a valve n, a cap r, and an interposed spring within the cylinder at each end. The valve is formed with passages p leading to the interior of the rod, and with apertures w, and seats on a washer t around the hole in the cylinder end through which the rod passes; a similar washer is provided externally. Impact of the piston c upon the cap r at either end shifts the rod f, closing the passages p against the seat t, and opening the passages w to the atmosphere. A reverse action simultaneously takes place at the other end, the motion of the motor and compression pistons being thus reversed. A pipe g may be connected at each end of the rod f, or the lower end may be closed.
Patent GB-676733-A (GB)
Title: New therapeutically valuable phenothiazine derivative and process for preparing the same
Filed: 1950-10-04
Abstract: The Specification comprises the N-(21-dimethyl-amino-21-methyl) ethylphenothiazine-8-chlorotheophylline salt, obtainable by heating the 2 compounds together under reflux, the former in slight excess, in a suitable solvent, followed by crystallizing.
Patent GB-822776-A (GB)
Title: Improvements relating to liquid fuel burners
IPC: F23C99/00
Filed: 1957-08-01
Abstract: 822,776. Liquid fuel burners. HEURTEY & CIE. Aug. 1, 1957 [Aug. 3, 1956], No. 24368/57. Class 75(1) A liquid fuel burner in which nascent combustion products from the flame region are recycled to a point immediately downstream of where the fuel and air mixture is formed has the liquid fuel atomized by pressure air and the mixing and vaporization tube delivering to the combustion space is of divergent form, e.g. of greater conical angle than the atomized fuel spray, to avoid fuel particles impinging and coking on such tube and this mixing and vaporization tube is surrounded by a space through which nascent combustion products are drawn to be injected into the fuel/air stream. The burner comprises a bell-shaped member 1 mounting on its end wall the pipe 5 for admitting the liquid fuel and the atomizing air to the nozzle 14 which discharges into a diverging mixing and vaporization tube 17 of very high heat resistant material supported by radial webs 16 in a refractory lining 10 of a sleeve 8 mounted within the bell so as to provide an outer annular space for entry of combustion air from an inlet 15 on the skirt of the bell. A deflector 12 of half toroid form and fixed at the downstream end of the refractory lining 10 directs into the tube 17 a flow of nascent combustion products, induced to flow over the exterior of the tube 17 from the flame region of the combustion chamber by the injection action of the fuel spray at the narrow end of the tube 17.
Patent GB-424011-A (GB)
Title: Improvements in or relating to hay sweeps for use with motor cars
IPC: A01D87/08
Filed: 1933-09-04
Abstract: 424,011. Hay-sweeps. COLE, W. N., Roke Manor Farm, Romsey, Hampshire. Sept. 4, 1933, No. 24427. [Class 6 (iii)] A hay-sweep is provided with a main transverse beam 13 situated forwardly of the rear edge of the sweep and provided with angle brackets carrying bolts 12 by which the sweep is pivoted to downwardly curved supports 10 projecting forwardly from the dumb irons of a motor car. The sweep is provided with a rear frame comprising a cross-beam 18 carried by uprights 17 rising from the rear cross-beam 16 of the sweep. Side strap members 19 extend from the beam 18 to the main crosspiece 13. The tines of the sweep are raised for transport by the attendant pulling a handle 23 at the end of a strap 22 secured to a bolt 20 fixed to the beam 18. A chain 26 extending between one of the supports 10 and the cross-beam 16 prevents rocking of the sweep when the tines are raised.
Patent GB-956416-A (GB)
Title: Maleimide compound
IPC: C08K5/47
Filed: 1962-06-26
Abstract: The invention comprises N-(2-benzothiazolylthio) maleimide The compound is a vulcanizing agent (see Division C3).  In an example 2-benzothiazolenesulpheny chloride is prepared by treatment of a suspension of 2,21-dithiobisbenzothiazole in 1,2-dichloroethane with chlorine and is treated with sodium maleimide at below 25 DEG C. to give N-(2-benzothiazolyl thio) maleimide.ALSO:N-(2-benzothiazolylthio) maleimide (see Division C2) is used as a vulcanising agent for highly unsaturated rubbers particularly styrene-butadiene copolymer rubbers. In an example, a polymer SBR-1500 is vulcanised with N-(2-benzothiazolylthio) maleimide and its physical properties compared with a similar polymer vulcanised with N-phenylmaleimide in the presence of 2,2-dithio-bisbenzothiazole as accelerator.  When using this compound accelerators are unnecessary.
Patent GB-442167-A (GB)
Title: The manufacture of dyestuffs of the thioindigo series
IPC: C09B7/10
Filed: 1934-08-24
Abstract: Thioindigo dyestuffs are prepared by oxidizing 4-ethyl-6-halogen-3-hydroxythionaphthene or its 2-carboxylic acid derivative or by condensing 4-ethyl-6-halogen-3-hydroxythionaphthene or a reactive 2-derivative thereof with 4-methyl-6-halogen-3-hydroxythionaphthene or a reactive-2-derivative thereof, the two components being in different states of oxidation. In examples: (1) the sodium salt of 4-ethyl-6-chlorhydroxythionaphthene-2-carboxylic acid is oxidized with sulphur in a caustic soda lye; the hydroxythionaphthene may be obtained from 2-amino-1-ethyl-5-chlorbenzene in the usual manner; (2) 4-ethyl-6-chlorhydroxythionaphthene is condensed in glacial acetic acid with 4-methyl-6-chlordiketodihydrothionaphthene - 2 - p - dimethylaminoanil.  The dyestuffs containing bromine in the 6-position are mentioned; they dye cotton or wool yellowish scarlet shades.  1-Ethyl-2-amino-5-chlorbenzene is prepared by chlorinating 1 - ethyl - 2 - aminobenzene, after acetylation, by means of sodium chlorate and hydrochloric acid in glacial acetic acid and finally saponifying to remove the acetyl group.
Patent GB-422693-A (GB)
Title: Improvements relating to the spindle and spindle-driving arrangements of centrifugalmachines, particularly centrifugal spinning machines
IPC: H02K7/16
Filed: 1934-08-27
Abstract: 422,693. Centrifugal spinning-machines. NAAMLOOZE VENNOOTSCHAP INTERNATIONALE SPINPOT EXPLOITATIE MAATSCHAPPIJ I. S. E. M., Doetinchem, Holland. Aug. 27, 1934, No. 24578. Convention date, Aug. 15. [Class 120 (ii)] [See also Group II] In centrifugal spinning- machines, having a twopart spindle secured tc the lower part of a hollow motor spindle, a relatively short and thin portion 2 is secured to a relatively long and thick portion 1 and to the hollow motor spindle 6, as by transverse bolts 3, 4, whereby the part 2 may be readily interchanged and may be of high grade material, such as nickel steel or chromium steel.
Patent GB-779606-A (GB)
Title: Improvements in or relating to implements for use in clearing or cleaning drains andditches
Inventor: DONALD BRUCE BUCHANAN
IPC: E02F5/02
Filed: 1954-08-25
Abstract: 779,606. Ditch-cleaning apparatus. DONALD, B. B. Aug. 11, 1955 [Aug. 25, 1954], No. 24764/54. Class 68 (1). A ditch-clearing implement comprises a jib 1 adapted at one end for attachment to a vehicle, preferably to an hydraulically actuated linkage 23, 24, 25, 26 of a tractor 22, so that the other end can be swung upwardly or downwardly, a digging tool 14 pivotally mounted on the second mentioned end of the jib and shoes 15 carried by the tool. The arrangement of these parts of the implement are such that when the jib 1 is lowered to cause the tool 14 to enter a ditch adjacent the remote bank thereof with respect to the vehicle and the jib is moved in a direction to cause the tool to move towards the other bank, the tool will displace mud and the like ahead of it and the shoes 15 on engaging the other bank will act not only to tilt the tool in such a manner that it retains the displaced mud but will also raise the second mentioned end of the jib to raise the tool from the ditch. The tool may comprise tines, a scraper blade, or an apron to the lower edge of which is adjustably secured a scraper blade or ripper teeth. The shoes are in the form of hoops 15 provided with skid plates 17. Chains 21 limit the angular movement of the tool about the pivotal connection thereof with the jib, which may also be formed of two articulated sections and may extend ahead of instead of the rear of the vehicle.
Patent GB-1283509-A (GB)
Title: Improvements in or relating to the manufacture of shaped components by etching
IPC: C23F1/04
Filed: 1971-04-19
Abstract: 1283509 Etching SIEMENS AG 19 April 1971 [19 March 1970] 24819/71 Heading B6J A metal foil, whose composition alters from its surface towards its interior, is etched by applying a mask to the surface of the foil and subjecting exposed areas of the foil to the action of an etching liquid. The composition is such that the etching rate at the surface is less than the rate at the interior. A foil comprises a copper/beryllium core 1 and copper layers 2 and 3. The foil is etched with chromosulphuric acid through photo-masks 4 and 5 to produce an aperture contoured as shown. The foil may be heated prior to etching in order to diffuse the layers into one another and so form a continuous variation in the composition.
Patent GB-1073330-A (GB)
Title: Process for obtaining arylsulphonamides from the corresponding arylsulphochlorides
Inventor: GHEORCHE ANDREESCU
IPC: C07C311/15
Filed: 1966-06-03
Abstract: Benzenesulphonamide (a) and p-toluene-sulphonamide (b) are made by reacting the sulphonyl chlorides with NH3 in benzene or toluene solution at (a) 20-30 DEG  C. or (b) 20-40 DEG  C.
Patent GB-517155-A (GB)
Title: Improvements in and relating to tyre connectors
IPC: B60S5/04
Filed: 1938-08-24
Abstract: 517,155. Pipe couplings TURNER, W. Aug. 24, 1938, No. 24849. Addition to 465,264. [Class 99 (i)] A tyre valve connector comprising a tyre valve unseating pin 9d and spring clutch members 16b adapted to engage the threads on the valve casing when a sleeve 17 is moved over their ends, as claimed in the parent Specification is modified by making the connector body open at both ends for the reception of a tyre valve stem, each end being provided with a tyre valve unseating pin 9d and clutch members formed from spring blades having their operative ends turned over to project within the open ends of the connector and engage the thread of the tyre valve casing when the ends are displaced inwardly by movement of the sleeve 17. Valves 9 associated with the unseating pins 9d normally seat upon washers 8 retained in the body 1 of the connector by abutments formed therein or formed by a sleeve 19 secured thereto by an internal flange on a screw cap 20. A coil spring 10 maintains the valves 9 on their seats 8 which are kept expanded against the body 1 by spring pressed metal washers 15. The spring blades each comprise a straight intermediate portion between two raised end portions. The connector is carried by a hollow rigid handle through which the air supply passes.
Patent GB-689331-A (GB)
Title: Remote control means for valves in fluid pressure operated systems
Inventor: COLLINGWOOD FRANK MARSHALL
IPC: F16K31/363
Filed: 1950-10-11
Abstract: 689,331. Valves controlled by auxiliary valves. ELECTRO-HYDRAULICS, Ltd. Dec. 13, 1951 [Oct. 11, 1950], No. 24864/50. Class 135. The fluid discharged on the exhaust stroke of a jack 6 actuating a stop valve 3 in a fluid supply line 2 flows into a cylinder 17 from which it flows subsequently into the line 2 on the downstream side of valve 3. The smaller face of piston 6 is loaded continuously through passages 8, 9 by inlet fluid from the line 2, and when it is desired to close valve 3, inlet fluid from passage 8 is allowed to flow to the larger face of piston 6 to force the latter to the left. The flow of actuating fluid to, and its discharge from, the larger face of piston 6 is controlled by a solenoidactuated valve with inlet and exhaust heads 14, 13, respectively. When the solenoid is actuated to move valve 13, 14 to the right, the fluid exhausts from the jack, flows into cylinder 17, and pushes back a spring-loaded piston 18 therein. As this action closes valve 3, the pressure downstream thereof will soon drop and piston 18 then forces the fluid in cylinder 17 past a non-return valve 24 and into line 2. A relief valve 23 controls the maximum pressure that can be developed in cylinder 17.
Patent GB-1043985-A (GB)
Title: Test stand for fuel injection pumps
IPC: F02M65/00
Filed: 1963-06-24
Abstract: 1,043,985. Testing fuel injection pumps. FRIEDMANN & MAIER. June 24, 1963 [Aug. 11,1962], No. 24970/63. Heading F1A. In a test stand for a fuel injection pump, the pump (not shown) under test is mounted on an overhanging bracket 3, Fig. 1, in front of a support 5 for nozzles and measuring glasses. The support 5 slidably supports a frame 9, 10, 11 by half-shells 12, and the measuring glass holder 13 is slidably supported in the frame 9, 10, 11 by half-shells 14. This enables the frame 9, 10, 11 and measuring glass holder 13 to be extended clear of the pump to positions 11<SP>1</SP> and 131 respectively for reading the liquid levels in the glasses, and to be retracted to the position 11<SP>11</SP> and the one shown, respectively. The frame 9, 10, 11 may instead be supported by channels 38, Fig. 6, and the holder 13 by rollers 41, 42 as of synthetic resin, which may be drawn toward each other by a bolt 43 and nut 46 to lock the holder 13 relative to the frame 9, 10, 11, and the latter to the support 5 by the consequential outward movement of the guide rods 9, 10. The support 5 has an arm 16 which extends perpendicularly to the series of nozzles and is provided with a longitudinal slot which receives a pin 17 fixed to the bench 1. The support 5 is thereby adjustable laterally of the bench 1 and when in its fully laterally extended position it may be rotated about the pin 17 to the other side of the bench 1. Stops 47 and a locking nut or handle 21 are provided. A detachable bridge piece 20 permits removal of the support 5. For emptying the contents of the measuring glasses into a pan 23 on the holder 13 a frame which carries the measuring glasses in the holder 13 is first partly rotated about a shaft 35 away from a transparent wall 31, of polymethacrylate resin, to provide sufficient clearance therefrom before it is rotated about a shaft 32 by handles 33. Abutments 36 on the shaft 35 co-operate with a rail 37 to prevent rotation of the frame when the holder 13 is in an extended inoperative position. The pan 23 has an outlet leading to a pan in the base 7 of the support 5, which outlet is provided with a spring-loaded one-way valve 24 having a downwardly extending plunger which runs up a guide rail to open the valve 24 when the holder 13 is moved to its retracted operative position.