baber/WOPTO huggingface dataset:
Patent GB-780185-A (GB)
Title: Improvements in or relating to temperature-responsive control means for heaters
IPC: F16K31/68
Filed: 1953-09-29
Abstract: 780,185. Thermally-actuated valves. MAYES, A. J. Dec. 29, 1954 [Sept. 29, 1953], No. 26674/53. Class 135. A temperature-responsive control means for controlling the supply of gas to a heater, e.g. a brooder or a piglet warmer, comprises a thermostatic capsule 23 bearing on an axially movable actuating rod 8 to close a spring- loaded lift valve 7 against the action of a spring 18 located in an upstanding gas inlet 3 whereon the valve seat is formed. The valve 7 is supported in a casing 1 by a rubber or like diaphragm 11 clamped between the casing and a cover 19. The diaphragm which has a horizontal margin 13 and a cupped portion 12 is clamped centrally between the flat top of the valve disc 7 and a washer 10. A rubber or like sealing washer 17 is clamped below the valve disc and engages the top of the gas inlet 3. The cover 19 is secured by screw pins 15 and is centrally bored to pass the rod 8. An adjustable screw 25 controls a gas by-pass.
Patent GB-171833-A (GB)
Title: Improvements in and relating to sharpening devices for knives or other like cutting implements
IPC: B24D15/08
Filed: 1920-09-18
Abstract: 171,833. Jerrard, C. H. Sept. 18, 1920. V-slot blade sharpeners.-A device for sharpening knives &c. comprises star-shaped plates f<x>, g<x>, Fig. 1, of hardened steel or other material adjustably secured together and to a base b by a bolt e and wing-nut h. These plates may be mounted on two screws situated side by side. The knives &c. to be sharpened are drawn through the V-shaped openings formed between the plates. Alternatively, the plates may be comb-shaped, Fig. 5, and slotted at o, p, so as to be adjustably secured to a base k by a screw n. In the foregoing forms, the plates are bevelled so that the bevels converge towards the outer surfaces of the plates. A pocket form, similar to that shown in Fig. 1 but without a base, is bevelled so that the bevels of both plates converge in the same direction. According to the Provisional Specification, two flat plates having only one radial fianger are pivoted together to form a V.
Patent GB-1089495-A (GB)
Title: Improvements in or relating to dust traps for use in the examination of dust-laden gas
Inventor: PAYTON EDMUND JAMES
IPC: G01N21/15
Filed: 1965-06-24
Abstract: 1,089,495. Probe for smoke determination. CENTRAL ELECTRICITY GENERATING BOARD. March 25, 1966 [June 24, 1965], No. 26812/65. Heading BIT. [Also in Division G1] In a tubular probe adapted to be inserted through a duct wall (51) (Fig. 1, not shown) and comprising opposed longitudinal slots (2), 3, by which flue gas passes diametrically through the tube, a bulb 10 at one end and a photosensitive device 25 at the other, whereby the solids content of the gas is measured by light absorption the bulb 10 and device 25 are protected against dust deposits by baffles 12, 20, which are located beyond the ends of slots (2), 3 and act as dust traps. Baffles 12, 20 may be of helical form or spaced annular discs, and their inner edges, bordering an axial light path, are sharp. During insertion of the probe, hinged shutters 17, 21 close the inner ends of the baffles, but these fall open when the probe is rotated. Lens 23 is surrounded by a heater and a further heater may protect bulb 10 against condensation.
Patent GB-195667-A (GB)
Title: Improvements in or relating to floating toys
IPC: A63H23/10
Filed: 1921-10-12
Abstract: 195,667. Plantation Rubber Manufacturing Co., Ltd., and Dessau, M. M. Oct. 12, 1921. Floating toys; materials special for making. - Floating toys are made of crepe rubber in conjunction with heavier rubber to regulate the buoyancy. The toys a, which may represent fish, submarine boats, &c., may be stamped or cut out of crepe rubber and a loading-member b of heavier rubber attached. The buoyancy can be regulated by cutting away portions of the member b. In another form, the body of the toy made of crepe rubber is fitted with spongy rubber, a loading- member being attached as before.
Patent GB-1004610-A (GB)
Title: Dry cleaning composition
IPC: D06L1/04
Filed: 1962-07-13
Abstract: A dry cleaning composition comprises by volume 97-92.5% of a halogenated carbon compound having not more than two carbons and at least two chlorine or fluorine atoms, 0.5-1.5% of a synthetic, organic non-ionic or anionic detergent and 0.05-0.25% of a hygroscopic polyol having a vapour pressure lower than that of water; water may also be present in an amount up to 0.3%. Suitable solvent are perchloroethylene, carbon tetrachloride, trichloroethylene, ethylene dichloride and tetrachloroethane.  The detergent may be a sulphonated light petroleum oil, a sodium or potassium salt of stearic, lauric, myristic, palmitic, oleic or linolenic acid, sodium salt of amine sulphonates, polyxyethylene condensates of polyhydric alcohol ester, nonyl phenolethylene oxide condensates or sodium, potassium or ammonium salts of dodecyl benzene sulphonate.  The polyol may be ethylene or propylene glycol, polyethylene or polypropylene glycol or molecular weight up to 400 or 1,3-butylene glycol.  Specifications 401,752, 407,088, and 498,517 are referred to.
Patent GB-1005265-A (GB)
Title: Process for the manufacture of ceramic grade titanium dioxide
IPC: C04B35/46
Filed: 1962-07-16
Abstract: TiO2 pellets are strengthened by adjusting their moisture content to 0.02-1% by weight, and exposing them to a metal halide vapour. TiO2, preferably of particle size 200-700 mm , is pelletized dry or, preferably, by rolling in a drum with water or water vapour.  The moisture content is then adjusted, preferably to 0.02-0.3% by weight, for example by warming the pellets and/or applying a partial vacuum. The TiO2 is brought into contact with a halide of Ti, Zr, Si, Al or Cr, particularly Ti, and preferably TiCl4, in the liquid state in a mechanical blender or preferably in the gaseous state in a fluidized or dense phase bed reactor, either pure or in diluted form or carried by an inert gas, e.g. N2 or H2.  Liquid TiCl4 or TiCl4 vapour in an inert gas react with moisture at room temperature. Higher temperatures are required with other metal halides, e.g. AlCl3 at 350 DEG  F. when pure or at 280 DEG  F. in a carrier gas or at reduced pressure.  TiO2 produced is suitable for the manufacture of frits. In a typical example, TiO2, of average particle diameter 200 to 500 mm , is pelletized to 10 m  and contains 0.08% moisture by weight. The pellets are exposed to N2 saturated with TiCl4 for 1 1/2 hours. In another example, helium saturated with SiCl4 is used. Specifications 661,685, 673,782, 686,570 and 686,586 are referred to.
Patent GB-292826-A (GB)
IPC: B64F1/08
Filed: 1927-10-13
Abstract: 292,826. Junkers, H. July 18, 1927, [Convention date]. Starting ; landing places.-An aeroplane or seaplane is hauled or pushed initially by another vehicle, preferably driven by an airscrew. Fig. 3 shows the manner in which the pull from a hauling vehicle is transmitted to the aeroplane, and Figs. 4 and 6 show arrangements for pushing it. To prevent the haul rope from flying upwards when the aeroplane takes off, it is extended to the rear of the aeroplane and weighted or wound round a brake drum. Alternatively an endless rope is used passing round pulleys forming a triangle. To obtain additional speed for the aeroplane the rope may be fixed as at 43, Fig. 8, and passed round pulleys 44, 42 on the vehicle and ground respectively. The latter pulley may be sunk in the ground. In a further modification the seaplane 1 is towed by a second seaplane 60 which may rise and give support to the seaplane 1 as far as the " ceiling." The hauling ropes may contain shock-absorbers and members adapted to give way under normal stresses.
Patent GB-1486652-A (GB)
Title: Internal combustion engine having an exhaust gas recirculation system with an exhaust gas flow control valve
IPC: F02M25/07
Filed: 1975-06-27
Abstract: 1486652 Regulating I C engine exhaust  recirculation NISSAN MOTOR CO Ltd 27 June 1975 [27 June 1974] 27252/75 Heading F1B [Also in Division G3] A regulator 42, 44 controlling the vacuum acting on the diaphragm 28 of the exhaust gas recirculation valve 22 comprises a pair of diaphragms 68 and 72 in a housing 46 and defining three chambers 48, 74 and 76. The chamber 48 is connected to the valve diaphragm chamber 26, the chamber 74 is connected to atmosphere, or to the intake manifold 12 and the calibrated atmospheric air bleed 88, and the chamber 76 is connected to the carburetter Venturi 16. A valving portion (68a) of the diaphragm 68 co-operates with the outlet 54 of a pipe 58 leading to a manifold vacuum reservoir 56 and with an air bleed valve 70 so that dependent upon the position of valving portion in dependence upon the forces on the diaphragms 68 and 72 and the force of a - tension spring 82, the chamber 48 communicates with either the atmosphere or the reservoir 56 to provide a vacuum in the chamber which is greater than the Venturi vacuum. Specifications 1401343 and 1486003 are referred to.
Patent GB-498195-A (GB)
Title: Improvements in and relating to control systems for electric motors driving reciprocating machines
IPC: H02P7/34
Filed: 1937-10-08
Abstract: 498,195. Control of D.C. motors. BRITISH THONISON-HOUSTON CO., Ltd. Oct. 8, 1937, No. 27400. Convention date, Oct. 9, 1936. [Class 38 (iii)] Varying E.M.F. -The field f of a Ward - Leonard generator g supplying a motor m driving a planer or like machine a, is supplied from an exciter h having a field winding f 2 supplied at constant voltage from an exciter e and a field winding f1 energized from across a shunt w in the motor armature circuit. The direction of rotation of the motor is controlled by reversing switches S3, S4, for the field f2, and reversing switches Sl, S2 are provided for the field f1 so that the fields f1, f2 assist each other during the cutting stroke and oppose each other during the return movement. Specifications 231,891, [Class 38 (ii)], and 429,837 are referred to.
Patent GB-958605-A (GB)
Title: Improved drive mechanism for rotary wing aircraft
IPC: B64C27/635
Filed: 1961-07-28
Abstract: 958,605. Helicopters. L. BOLKOW, [trading as BOLKOW-ENTWICKLUNGEN KOMM. - GES.]. July 28, 1961 [July 28, 1960], No. 27456/61. Addition to 943,813. Heading B7W. In a helicopter according to the parent Specification, the swash plate is located in an internal chamber of the rotor head, and is pivotally mounted on a sleeve concentric with the drive shaft and connected to the airframe through a universal joint. In the Figure, the rotor drive shaft is in two parts 2 and 4, connected by a cardan joint 3, the part 2 being secured to the upper face 1a of the rotor head 1. The parts are surrounded by non-rotary sleeves 5 and 11, connected by yokes 6 and 9 which are pivoted to a gimbal ring 8 on pins 7 and 10 respectively, the members 6, 8, and 9 forming a universal joint concentric with joint. 3. A swash ring 14 is pivoted to sleeve 11 on pins 16, and is pivotable on these pins by an hydraulic jack 17 operable through pipes 17a, 17b from within the helicopter, or by any equivalent mechanical or electrical means. The rotor blades 15 are pivoted on arms 1b on the rotor head about drag hinges 27. The lag-lead movement of each blade is controlled cyclically by a lever 21 mounted by a pin 20 within the rotor head, there being one lever for each blade. One arm 21a of each lever has two conical rollers 23, 24 on a pin 22, engaged with guide tracks 14a and 14b on the swash ring 14. The other arm 21b is connected by a rod 25 with an arm 26 rigid with the associated blade. Inclination of the swash plate 14 on pins 16 thus results in a once-per-revolution lag-lead oscillation of the blades about pivots 27, so that an advancing blade has a reduced angular speed, and the retreating blade an increased angular speed.
Patent GB-173082-A (GB)
Title: Improvements in mechanical race courses for playing games
IPC: A63F9/14
Filed: 1920-09-28
Abstract: 173,082. McClelland, T. Sept. 28, 1920. Race games, mechanical. - Apparatus of the type in which racing figures are moved over a course of cloth comprises a stationary flexible cloth, upright weighted figures thereon, and a studded disc beneath adapted to be rotated by the turntable of a gramophone. The cloth is attached to a stationary frame A, Fig. 1, adjustably supported upon feet L and having a central disc or ring B forming an annular course C of cloth. The frame is placed upon the spindles of a gramophone so that the cloth rests lightly upon a disc E having dents or studs F, the disc being rotated by the turntable of the gramophone so as to propel the weighted figures J. The studs near the periphery of the disc are radially arranged so as to keep the figures from the edge of the course. In a modification, the figures are propelled over the course 1, Fig. 3, by studs upon an endless band 2 which is mounted upon rotary drums 7 and supported upon rollers 6.
Patent GB-503550-A (GB)
Title: Improvements in or relating to the recovery of ammonia from used cuprammonium artificial silk precipitation liquors
IPC: C01C1/10
Filed: 1937-10-11
Abstract: 503,550. Recovering ammonia. I. G. FARBENINDUSTRIE AKT.-GES. Oct. 11, 1937, No. 27581. Convention date, Oct. 10, 1936. Addition to 493,716. [Class 32] Ammonia is recovered from used cuprammonium artiticial silk precipitation liquors by passage in counter current with steam at a pressure equal to the vapour pressure of the liquor, as described in the parent Specification and the steam is supplied from a turbine and then condensed, carrying the ammonia, in the turbine condenser Steam from a turbine 2 passes up through a countercurrent tower 4 down which flows the spent liquor from a distributer 6, leaving through a pump 7. The steam charged with ammonia passes to a condenser 9 cooled by fresh precipitation liquor entering by a pipe 14 and leaving by a pipe 15. The portion of the steam not condensed may be compressed by a jet.compressor 10 and utilized for further heating of the fresh liquor in a condenser 11. The condensates from both condensers 9 and 11 are cooled in an absorber 12 so as to absorb all the ammonia from the remaining ammoniasteam mixture. The ammoniacal condensate leaving at 13 is concentrated in a column (not shown). A vacuum pump 17 removes air from the condensers 9 and 11.
Patent GB-298078-A (GB)
Title: Improvements in or relating to telephone receivers
IPC: H04R13/00
Filed: 1928-09-26
Abstract: 298,078. Jackson, L. Mellersh-, (Telefonaktiebolaget L. M. Ericsson). Sept. 26, 1928. [A Specification was laid open to inspection under Sect. 91 of the Acts, Oct. 2, 1928]. Magnetic instruments.-The pole pieces 7 of a telephone receiver are mounted at diametrically opposite points on an annular permanent magnet 1 of conical shape. The pole pieces and the permanent magnet are secured to a conical casing 2 of non-magnetic material by screws 10 and the diaphragm 4 is clamped between the casing 2 and an earpiece 5 which is held in position by a threaded ring 6. The receiver is supported in a funnel-shaped casing 3 which forms part of a hand combination set. The telephonic coils 8 are connected to terminals 11 the external heads 14 of which are adapted to engage contact springs. The Specification as open to inspection under Sect. 91 (3) (a) also states that the casing 3 may be omitted, the casing 2 being adapted to form part of the hand combination set. This subjectmatter does not appear in the Specification as accepted.
Patent GB-829088-A (GB)
Title: Separation of uranium peroxide from mixtures
IPC: C01B15/047
Filed: 1945-10-20
Abstract: Uranium peroxide is precipitated from aqueous uranyl sulphate solutions by treatment with a peroxide at a pH between 2 and 5. The uranyl sulphate solution may be derived from the process of Specification 829,087, where uranium dross is burned in air and the product mixed with lime, air roasted and the roasted product thereafter mixed with sulphuric acid in the presence of an oxidizing agent, or by the process of Specification 646,836, where uranium dross is crushed, air roasted, heated with concentrated sulphuric acid and an oxidizing agent and thereafter leached with water.  Such uranyl sulphate solutions are then mixed with acidic water to provide a 5-10% uranyl sulphate concentration and treated with an oxidizing agent such as air, nitric acid, permanganate, chromate or a peroxide to convert the uranium to hexavalent form.  The oxidized mixture is heated to 70-100 DEG  C. and an alkali such as a hydroxide or carbonate of an alkali metal, alkaline earth metal or ammonium is added to adjust the pH to 3-4.  Iron precipitates after heating and is separated by filtration and the solution is then cooled to 20-45 DEG  C. and filtered.  Hydrogen peroxide in an amount equal to 105-200% theoretical quantity necessary is added while the solution is maintained at 30-65 DEG  C. and thereafter an alkali is added to restore the pH to between 2 1/2 and 3 1/2 , peferably 2.8, thereby precipitating uranium peroxide.  The precipitation is preferably effected from a solution having a content of soluble salts other than uranyl sulphate, from 10-15% by weight and to this end if the soluble salt concentration is low the alkaline reagent used may be one which forms a soluble salt.  The precipitation may also take place in the presence of uranium peroxide seeds.  The uranium peroxide precipitate may be washed with dilute sulphuric or nitric acids at 30-50 DEG  C. According to an example, a uranium sulphate solution prepared as described below, was treated at 40-45 DEG  C. with aqueous hydrogen peroxide, the pH falling to 1.5 and being readjusted to 3 by the addition of sodium hydroxide.  The uranium peroxide dihydrate was separated and water washed.  The initial sulphate solution was prepared by aerating an aqueous uranium sulphate solution and treating it with a small amount of hydrogen peroxide to complete the conversion of tetravalent uranium to hexavalent.  The mixture is then heated to 90-95 DEG  C. and the pH was adjusted to 3.7 by the addition of calcium carbonate, thereby precipitating iron which was filtered. The solution was then cooled to 40 DEG  C. and filtered to produce the purified uranyl sulphate solution.  The process of the invention is applicable to the removal from uranium of the following impurities:-magnesium, sodium, boron, copper, cobalt, chromium, molybdenum, manganese and nickel, vanadium, gallium and samarium. Specification 829,090 also is referred to.
Patent GB-318901-A (GB)
Title: Apparatus for measuring at a distance the depth, temperature and salinity of sea water or other medium
IPC: G08C15/08
Filed: 1929-09-11
Abstract: 318,901. Compagnie Generale de Telegraphie sans Fil, (Assignees of Soc. Independante d'Exploitation Radioelectrique). Sept. 11, 1928, [Convention date]. Indicators actuated by pressure of head of liquid.-In apparatus for measuring the depth, temperature, and salinity of sea water &c. at a distance the depth indicator comprises a manometer 8 open to the water at one end 9 and connected at its other end 10 with the core of a winding 13. Alternating current from a suitable source 22 is passed through the wires of a cable 21, the circuit including a suitable currentmeasuring instrument. Relays 14, 15 in the compartment 6 control the passage of the current through the coil 13. The relays are energized by a direct current which is preferably passed through one of the wires of the cable 21. The cable is preferably armoured so as to serve also for towing the casing 1. The casing may be provided externally with a switch which cuts off the current when it touches the bottom or an obstacle.
Patent GB-242651-A (GB)
Title: Improved process for the air-less injection of fuel into the combustion chamber in internal combustion engines
IPC: F02B23/00
Filed: 1925-11-04
Abstract: 242.651. Waggon-und Maschinenbau Akt.-Ges. G÷rlitz. Nov. 5, 1924, [Convention date]. Void [Published under Sect. 91 of the Act]. Cylinders receiving liquid fuel.-Fuel is distributed uniformly in an irregularly shaped combustion chamber by producing jets of various strengths and at different inclinations according to the position of the various parts of the chamber and the lengths of the free paths of the jets. The combustion chamber is formed by a cavity in the cylinder cover e which is provided with hollows f, g, and by a trough-shaped cavity h with bevelled portions i, k in the piston. The nozzle l has bores of different inclinations and diameters, the latter being in proportion to the length of the path that the jet has to traverse. Thus the bore of greatest diameter will be that producing the jet a. In a modification two such nozzles are employed, and are preferably arranged in the plane of the longest dimension of the chamber.
Patent GB-299182-A (GB)
Title: Improvements in or relating to electric terminals
IPC: H01R9/16
Filed: 1927-10-19
Abstract: 299,182. General Electric Co., Ltd., and Kaula, R.. J. Oct. 19, 1927. Direct connections between conductors. -The stem 1 of a binding-post has a bore 6, 7 through which a wire is passed down to be soldered to the end 3 of the stem which is reduced in diameter so that the solder does not foul the thread. The upper part of the bore is enlarged to facilitate inserting the wire and may have a further enlarged entry 8, Fig. 4. A hexagonal &c. boss 9, Fig. 1, on the stem secures it in the base 12 in conjunction with the flange 15. In the form shown in Fig. 4 the countersunk head 17 and a nut secure the stem to the base.
Patent GB-1513097-A (GB)
Title: Unloading of driverless vehicles
IPC: B65G47/82
Filed: 1976-07-05
Abstract: 1513097 Unloading vehicles in motion S I HANDLING SYSTEMS Inc 5 July 1976 [3 July 1975] 27831/76 Heading B8E [Also in Division B7] Apparatus for unloading a driverless vehicle 16 while in motion being drawn along a guided path by a pin 20 extending through a slot 14 for engagement by a conveyer comprises a cantilever arm 38 biased to extend in front of a vehicle and a sweep arm 74 for pushing a load 24 off the vehicle on to discharge conveyers 26, 28. The arms 38, 72 are selectively connectible by a solenoid actuated plunger activated through a switch 94 by a selector rod 98 on the vehicle. When connected to the sweep arm 72 engagement of the arm 38 by the vehicle forces it to the side and provides the motive force to discharge the load 24. A dash pot 52 slows the return of the arm 38 when a vehicle has passed. Anti-friction strips 102 may be provided on the vehicle. If a vehicle is not to be unloaded its selector rod is prevented from activating the connection of the arms 38, 74 so that the former can be moved aside without moving the arm 74.
Patent GB-242976-A (GB)
Title: Improvements in pumping apparatus
IPC: B63B57/00
Filed: 1925-11-05
Abstract: 242,976. Oil Pumping & Reclaiming Co., Inc., (Assignees of Engstrand, G. C.). Nov. 11, 1924, [Convention date]. Systems; vacuum apparatus.-Heavy oil or the like is raised by blowing air and steam into the pipe line at the intake 13 and sucking out the air from the discharge leg 3 by the action of a steam or other ejector 5 by-passed from the discharge leg at a point 6, situated well above the level to which the liquid could ascend in the discharge leg under the vacuum employed. Steam is supplied to the ends of the line by pipes 21. Fig. 4 shows the arrangement at the intake 13, with a steam jet 16 inside an air inlet 15 provided with adjustable admission openings 19.