baber/WOPTO huggingface dataset:
Patent GB-661596-A (GB)
Title: An improved rotary pump of the hinged vane type
IPC: F04C2/44
Filed: 1949-04-14
Abstract: 661,596. Rotary pumps. RHODES, C. J., and RHODES, A. April 14, 1949. No. 10222/49. Class 110(ii). The pump has vanes 8 hinged to the periphery of a rotor 3 and also to an outer ring 11 which is held in the bore of a slidable block 7. As shown in Fig. 1, the rotor is in the neutral position and no liquid is delivered from an outlet 7a to a discharge port 1a. To commence pumping, the block 7 is moved downwards by a screw 14 against the pressures of springs 17, 18 and the delivery increases until at a maximum, the upper part of the rotor bears on the ring 11 and ports 7a, 1a are in alignment. Liquid enters by way of a duct 2 and radial slots 3a until the latter are shut off by a tube segment 5 around which the rotor rotates. Delivery is by way of transverse 11, which is the same width as the outlet channels 11b, in the outer rim of the ring port 7a. The rotor is carried on bearings 5, 6 and the vanes by needle bearings through pins 9, 12, the outer ends of the vanes being forked. Liquid may pass from the pressure space, through a duct 1c to the underside of a plunger 20. The outlet 7a is subdivided into a number of parallel segmental ports to give bearing surface to the outer ends of the vanes. Liquid under pressure may be admitted into the space 1b instead of under the plunger 20.
Patent GB-210328-A (GB)
Title: Improvements in thread guides for use in winding, clearing, gassing or reeling frames
IPC: B65H57/00
Filed: 1923-04-16
Abstract: 210,328. Fine Cotton Spinners' & Doublers' Association, Ltd., and Bennett, F. R. April 16, 1923. Thread guides; clearing - apparatus. -A thread guide for reeling, winding, gassing, clearing, or like frames comprises a horizontal loop a<2> of wire, and a pointed pin a<4> projecting thereinto in a direction opposite to that taken by the yarn. The guide may be formed of one length of wire, as shown, or otherwise.
Patent GB-635444-A (GB)
Title: Device for making a vacuum-tight connection between two metallic parts of different electric potential
IPC: H01J5/28
Filed: 1948-04-14
Abstract: 635,444. Glass-metal seals. AKT.-GES. BROWN, BOVERI, & CIE. April 14, 1948, No. 10339. Convention date, April 25, 1947. [Class 36] Two metal parts are sealed together and insulated from each other by means of a glass flux, the metallic parts consisting of concentric sleeves, the outer one f of which has a crimped edge h for the reception of the glass flux i in which the edge of the inner sleeve e is fused. The outer sleeve f preferably has a coefficient of expansion higher than that of the glass i, thus compressing the glass on cooling. The inner part of the groove h is short and can expand freely, thus reducing the tensile stresses on cooling. The seal may be used in a mercury vapour converter, the outer sleeve f being welded to the converter casing a at g and the inner sleeve e being welded to the cathode floor plate c at d.
Patent GB-836676-A (GB)
Title: Improvements relating to furnaces for annealing and heat treatment of metals and other materials
IPC: C21D1/767
Filed: 1958-04-01
Abstract: 836,676. Continuous heat-treatment furnaces. FALLON, J, Aug. 13, 1958 [April 1, 1958], No. 10353/58. Class 51 (2). A continuous heat-treatment furnace comprises parallel roller-way tracks a, b, each passing through a series of vertically-elongated preheating, heating and cooling chambers e, f and g, respectively separated by doors i, the heating chambers having heating elements f<SP>1</SP> disposed above and below the tracks and being interconnected by upper and lower transverse ducts to complete a circuit through which fans f<SP>2</SP> circulate air or other gases continuously, Fig. 3. The cooling chambers are similarly constructed, Fig. 4 (not shown), except that the heating elements are replaced by banks of cooling tubes through which ambient air is drawn by suction pipes. Advantageously, the direction of circulation of gases in adjacent heating and cooling chambers may be opposite to one another. The last heating chamber, which forms a soaking chamber j with fewer heating elements j<SP>3</SP> than the other heating chambers, and the first cooling chamber k are connected to the preheating chamber e by an upper duct k<SP>1</SP> and a lower duct e<SP>1</SP> through which the gases can be circulated for heat-exchange purposes. The furnace may be operated with the work travelling in the same or in opposite directions.
Patent GB-662794-A (GB)
Title: An improved process for the separation according to specific gravity of mixtures of particles differing in grain size and specific gravity
IPC: B03B5/34
Filed: 1949-04-19
Abstract: In a process for separating materials according to specific gravity, the separation is effected in a suspension which is formed from one of the materials to be separated.  The material to be separated is first divided into at least two fractions according to size, and in the embodiment described there are two such fractions, one (the fine fraction), containing particles up to 1 m.m.; and the other (the coarse fraction) containing particles 1-8 m.m. in diameter.  Coal and shale are to be separated using a magnetic suspension.  The coarse fraction obtained from the separation is mixed with the suspension and separated, in a cyclone, into coarse shales and coarse coal, each of which is screened separately on a 1 m.m. screen and rinsed with clarified water from the fine fraction thickeners.  This rinsing water carrying the suspension from the shale and coal is recirculated to the mixing step.  The coal is also rinsed, whilst on its screen, with clean water and the diluted suspension thus obtained is in part fed to the mixing stage of each fraction.  In the fine fraction plant a similar mixing with suspension takes place, then a separation according to specific gravity into coal and shale is accomplished in a cyclone.  Each of these fractions is treated by separate magnetic separators to remove the magnetite suspension which is recirculated after demagnetization. The remaining flows from the magnetic separators are thickened and coal recovered as slimes.  The clarified water from both thickeners is supplied to the screen sprays. Specification 655,957, is referred to.
Patent GB-1537239-A (GB)
Title: Apparatus for flow-ratio control of gaseous fluids
IPC: G05D11/03
Filed: 1976-03-12
Abstract: 1537239 Pressure regulators BRITISH GAS CORP 12 March 1976 10415/75 Heading G3P [Also in Divisions F2 and F4] Apparatus for controlling the flow ratio of gas and air supplies to an appliance comprises a chamber 3, in which flow between an inlet 8 and an outlet is controlled by a valve member (6), Fig. 1 (not shown), separated by a diaphragm 4 from a chamber 2 which is divided by diaphragms 13, 14, into three compartments 9, 10, 11 provided with respective orifices 16, 17, 15 for connection to fluid pressure sensing lines each of the three diaphragms being rigidly connected to the valve member (6). The weight of the diaphragm/valve member assembly is counterbalanced by an adjustable spring 19. The orifice 15 connects the compartment 11 with the outlet side of the chamber 3, from which gas at pressure Pg is supplied to burners 27 in a combustion chamber 22. The orifice 16 is connected to air supply line 24 at pressure Pa, and the orifice 17 to the combustion chamber at pressure Pc. Thus as the air supply is varied, by valve 25 the air/gas ratio is kept constant. So that the apparatus may function if the gas pressure exceeds the available air pressure, the diaphragm 13 is of greater area than the diaphragm 14.
Patent GB-473204-A (GB)
Title: Improvements in and relating to display boxes and the like
IPC: B65D5/52
Filed: 1936-04-09
Abstract: 473,204. Display cartons &c. WARDLE, E., JONES, H., and TODD, C. I., (trading as WARDLE & CO., E.), and STRANDERS, J. April 9, 1936, No. 10428. [Class 18] A display carton &c for cigarettes &c. adapted for the storage and the display of packages has a false bottom 16 with an extension 18 passing out through a slit 19 when the contents are in storage position, but which may be pushed inwards througl the slit when it is desired that the contents assume the display position so that the false bottom assumes the position shown. Score lines 21 facilitate the passage of the material through the slit. The scorings may be arranged to be only on that part of the false bottom which lies beneath the container when in storage position. A fixed part 20 ensures that the front row of packages remains undisturbed. By scoring the false bottom alternately on opposite sides it may be made to assume a stepped position. Supporting strips may be hinged to the false bottom so that they may pass out through slits in the bottom or may stand on the inside surface of the bottom. The lid may be scored at 12 and cut at 13 so that an appropriate background is formed, and a display opening 14 may be formed.
Patent GB-662079-A (GB)
Title: Process for the manufacture of fertilizers
IPC: C05B1/02
Filed: 1949-04-20
Abstract: A dicalcium phosphate containing fertilizer is prepared by attacking crude phosphate with sulphuric acid to produce dicalcium phosphate, followed by nitric acid to produce monocalcium phosphate, adding dry ammonium sulphate and bringing the resultant mass into contact with gaseous ammonia until the pH is from 4-7.  The resultant dry product contains in addition to dicalcium phosphate, diammonium phosphate, ammonium sulphate-nitrate and gypsum.ALSO:A mixed fertilizer comprising chiefly dicalcium and diammonium phosphates, ammonium nitrate and gypsum is formed by the treatment of crude phosphate first with sulphuric acid to produce dicalcium phosphate, then with nitric acid to produce mono-calcium phosphate, subsequently with dry ammonium sulphate and finally with gaseous ammonia until a pH of 4-7 is reached, the citrate solubility being thus retained. Superphosphate may be mixed with the acid decomposition mass before the ammonium sulphate treatment; alternatively the latter may be mixed with the nitric acid.  The compound fertilizer may contain 12-16 per cent, P2O5 and 7-12 per cent N but preferably the phosphorus pentoxide-nitrogen ratio is unity.
Patent GB-986481-A (GB)
Title: Liquid dispensing apparatus
IPC: E03C1/046
Filed: 1960-03-25
Abstract: 986,481. Mixing liquids in flow. H. WHITEHEAD. June 21, 1961 [March 25, 1960], No. 10581/60. Heading B1C. A device for supplying a controlled proportion of additive to a flowing stream of liquid comprises a cylindrical casing 1, Fig. 1, in which the additive is contained in a flexible bag 17. The main stream flows in at 2, round the flexible bag and out through the passages 5, 7. The flexible bag communicates with the outlet 7 through passages 6, 16, 13 and 5. A spring-loaded valve 9, Fig. 6, seats in the top of the passage 5 above the passage 13 and forms an automatically variable flow restriciion which creates a pressure difference in the main stream beween the container 1 and the outlet 7 whereby additive is expressed from the bag 17. The valve 9 acts as a check valve to prevent back-flow with the mains supply. There is a wire frame 18 within the bag 17 to prevent its complete collapse. The passages 16 and 13 communicate by way of a depression 14, Fig. 3, which is covered by a flexible diaphragm 24, Fig. 1. The head 23, Fig. 7, of a plunger 22 bears on the diaphragm to control the flow of additive thereunder and may be preset by the threaded sleeve and knob 21 or manually depressed to stop the flow by the push-button 23A. Additive is introduced by the filler plug 15.
Patent GB-1011942-A (GB)
Title: Lever actuated flush fitting bolts
IPC: E05C1/06
Filed: 1964-03-13
Abstract: 1,011,942. Sliding bolt fastenings. E. HOLDEN & CO. (B'Ham) Ltd. and E. J. HOLDEN. March 13, 1964, No. 10617/64. Heading E2A.  In a lever actuated flush fitting bolt of the type which comprises a frame 10, a shoot 11, an actuating lever 14, an intermediate member 12 to which the said actuating lever is pivoted and a leaf spring 17 which is housed within the frame and one end whereof is adapted to bear on the under surface of the intermediate member while the other end thereof is adapted to slide within a groove 107 formed within the base of the frame, the leaf spring being retained in the stressed condition by a cross pin 18 located within holes in the side wall of the frame, has its sliding end portion apertured, the aperture being located and of a nature such that an instrument 19 may be inserted in the aperture when the bolt is in sit and used as a lever to free the sliding end from engagement with the frame and so to permit of removal of the spring from the frame. Specification 997,747 is referred to.
Patent GB-981030-A (GB)
Title: Improvements in or relating to change-speed devices
IPC: F16H9/16
Filed: 1961-03-23
Abstract: 981,030. Expanding-wheel gear. SOC. INDUSTRIELLE DE TRANSMISSIONS. March 23, 1961 [March 23, 1960], No. 10667/61. Heading F2D. A steplessly variable V-belt gear comprises driving expanding pulleys fast in rotation with an input shaft 2 and operated simultaneously for ratio shift, and driven pulleys rotating with half shafts 31, 32 or with a common output shaft. The driving pulleys have fixed flanges 4, 5 and flanges 6, 7 slidably splined on the input shaft and controlled by levers 8, 9 pivoted at 10, 11 to a floating rod 33 and pivoted at their opposite ends to nuts engaging oppositely handed threads on a control rod 18. The driven pulleys have flanges 20, 23 fixed to the half shafts 31, 32 and flanges 21, 22 slidably splined thereon and urged apart by a spring 24. A spring 27 compensates for the effect of the belt tension on the levers 8, 9. Rotation of the control rod 18 effects ratio shift, and should the loading of the belts vary the levers 8, 9 pivot about the nuts to produce inverse ratio adjustment in the driving pulleys, with consequential adjustment of the driven pulleys, until their differential loading has been corrected. In a modification (Fig. 3, not shown) the levers 8, 9 are adjusted by a lazy-tongs arrangement. In a further modification (Fig. 1, not shown) in which the driven pulleys drive a common output shaft, the rod 33 may be locked in position after initial adjustment. French Specifications 1,184,660 and 1,206,182 are referred to.
Patent GB-115741-A (GB)
Title: Improvements in or relating to Cocks.
Inventor: TORRENS JOHN ARTHUR
IPC: F16K11/16
Filed: 1917-07-25
Abstract: 115,741. Torrens, J. A. July 25, 1917. Loosc-ball valves; actuating-mechanism. - A multiple-way mixing-cock or a simple two-way cock is provided with valve members, such as loose balls g, which are pressed to the closed position on their seatings by radial springs h having ball or other abutments j pressing on a rotary stem d. When the stem is rotated to open the cock, the abutments j drop into cavities e formed in the stem, so that the pressure of the spring or springs is relieved and the valve or valves allowed to open.
Patent GB-288577-A (GB)
Title: Improvements in or relating to processes for carrying out exothermic catalytic chemical reactions under pressure
IPC: C01C1/04
Filed: 1928-04-11
Abstract: 288,577. Soc. l'Air Liquide, Soc. Anon. pour l'Etude et l'Exploitation des ProcÚdÚs G. Claude, (Assignees of Larson, A. T.). April 12, 1927, [Convention date]. Catalytic apparatus.-An apparatus for carrying out exothermic: catalytic gaseous reactions under pressure with recirculation of the gases comprises an outer pressure resisting container A and an inner container B which contains the catalyst. The fresh gases entering at D circulate ia the space E between the two containers and after being mixed with recirculated gases entering at G pass into the catalyst space. A heat exchanger H may be provided within the container B as shown in the Figure.
Patent GB-433031-A (GB)
Title: Improvements relating to reversing mechanism for the transmission gearing of mining machines
IPC: F16H3/60
Filed: 1935-04-06
Abstract: 433,031. Reversing gearing. ANDERSON, A., and ANDERSON, BOYES, & CO., Ltd., Flemington Electrical Works, Motherwell, Lanarkshire. April 6, 1935, No. 10706. [Class 80 (ii)] [See also Group XXI] Reversing - gearing for a mining-machine, e.g. for the haulage or the jib-control mechanism, comprises alternative three-element trains, the planetcarriers 6 of which are selectively braked to produce drive between a driving shaft 1, and loosely mounted bevel-wheels 3, meshing with a driven bevel-wheel 5. The trains comprise annuli 10, secured to the bevel-wheels 3, and sun-wheels 9, keyed to the driving shaft 1, the planetcarriers 6 being braked by multi - plate brakes 11 on a stationary countershaft 14, the outer elements of the brakes having toothed wheels 12, meshing with teeth 13 on the planet-carriers.
Patent GB-128028-A (GB)
Title: Safety Bar for Medals and Badges.
Inventor: MANN JOHN EDWARD
IPC: A44C3/00
Filed: 1918-06-29
Abstract: 128,028. Mann, J. E. June 29, 1918. Attaching medals &c. to wearing-apparel. -- Medals, badges, &c., are attached to the uniform, dress, &c. by means of a hollow bar A, Fig. 4, around which the medal ribbon is passed The bar is secured to the garment by pins B, Fig. 3, passed through from the back into the bar A, the pins being provided with stud heads C.
Patent GB-524259-A (GB)
Title: Improvements in or relating to apparatus for washing floors and like surfaces
IPC: C07C205/57
Filed: 1939-01-16
Abstract: 524,259. Cleaning floors. CARLING, E. C. Jan. 16, 1939, No. 10873/40. Divided out of 525,262. [Class 138 (i)] The invention relates to a combined floor scrubber B and wiper A with squeegee means for expressing liquid. Supporting castors 42 are arranged laterally within the path swept by flaps W on the wiper so as to prevent the castors leaving a dirty mark on the clean floor. As water is passed from a tank T via brushes 43 and wipers W to a tank 18, pressure on the brushes decreases. To counteract this the brushes are carried on pivoted arms 44 and drawn downwards by a pump 50.
Patent GB-110916-A (GB)
Title: Improvements in Dynamo Electric Machinery.
IPC: H02K9/18
Filed: 1916-08-02
Abstract: 110,916. Electromotors, Ltd., Longbottom, B., and Greenhalgh, E. Aug. 2, 1916. Dynamos and motors, cooling.- In dynamo-electric machines of the enclosed type, as described in Specification 16640/15, the enclosed air is circulated bv a fan G, Fig. 1, through a cooling stack comprising groups of tubes E connected across outlet and inlet passages B, B<1> in the machine casing A. The enclosed air may be passed through the interiors of the tubes, Fig. 1, or it may be circulated through the stack in contact with the exterior surfaces of the tubes, Fig. 3; the cooling medium may be either air or water, the tubes being jacketed when water is used. Baffle-plates may be arranged in the paths of the enclosed air and cooling-fiuld.
Patent GB-1467519-A (GB)
Title: Earth drilling a-paratus
IPC: E21B15/00
Filed: 1974-03-12
Abstract: 1467519 Earth drilling SMITH INTERNATIONAL INC 12 March 1974 [23 March 1973] 10931/74 Heading E1F A mobile drilling rig includes a selfpropelled wheeled vehicle carrying a mast 14  14 pivotable between a horizontal transport  position and an inclined or upright operative  position, a carriage 26 being movable along the mast, e.g. by transmission chains 28 connected to hydraulic rams, the carriage supporting a drill head 34 which is hinged at 36 and movable by ram 42 between one position in which it is aligned with the drilling axis and another position in which it is aligned with a  slotted pipe holder 52. At the top of the mast is a boom 58 with sheaves 60, 64 over which a hoisting cable 62 is trained, the cable being used to transfer drill pipes between rack 46 and the pipe holder, the cable suitably being fitted with a pipe handling tool (Fig. 7) including a rod 74 with a pin 80, intended for rereception in one end of a pipe, and a cable 76 connected to a head 84 having a longer pin 82 intended for reception in the other end of the pipe. In use, the pin 82 is inserted in the trailing end of a pipe in the rack 46 and the tool is moved rearwards to insert the pin 80 in the leading end of the pipe which is then held captive by the pins while the cable 62 is used to move the pipe out of the rack to a vertical position in which it can be introduced into the holder 52, the rod 74 aligning with an axial slot in the holder, and the pin 80 being disengaged from the pipe by lowering the tool relative to the pipe, the tool then being movable vertically to withdraw pin 82 from the pipe and thus being freed for return to the rack to pick up the next pipe for transfer to the holder. A pipe standing in the holder is picked up by the drill head 34, while the latter is aligned with the holder, the drill head then being returned to alignment with the drilling axis so that the new pipe can be added to the drill string. To remove a drill string from the borehole, the drill head is moved to its position aligned with the holder and a hoisting block 40 is lowered through the space in the carriage 26 normally occupied by the drill head, the block being used to pickup the drill string and to transfer each successive pipe back to the rack, the pipes being separated from the string with the aid of a break-out tong (72). The boom 58 may be telescopic so that cable 62 can be placed adjacent the drilling axis and used to run tools and casing into the borehole.
Patent GB-787269-A (GB)
Title: Improvements in and relating to spraying devices
Inventor: BEVAN LLEWELLEN GEORGE
IPC: B05B7/12
Filed: 1955-04-15
Abstract: 787,269. Powder distributers. SOUTH WALES SAND & GRAVEL CO., Ltd. April 13, 1956 [April 15, 1955], No. 10986/55. Class 6(1). [Also in Groups XVII and XXIX] Material is fed through a flexible duct 15 of a gun 1 and is sprayed by an air stream issuing from a jet 4. In the non- spraying position the outlet end of the duct is nipped between an abutment 17 and a part 31 on the end of a rod 18 which is spring-urged rearwardly. The duct outlet is released by operating a trigger 30 which moves the rod forwardly. A valve in the gun operated by a trigger 8 controls the air flow.
Patent GB-1283313-A (GB)
Title: Process for the production of triallyl cyanurate
IPC: C07D251/34
Filed: 1970-04-17
Abstract: 1283313 Preparation of triallyl cyanurate MUSASHINO KAGAKU KENKYUJO KK 17 April 1970 [26 April 1969] 10992/70 Heading C2C Triallyl cyanurate is made by adding cyanuric chloride to aqueous allyl alcohol and neutralizing the formed hydrogen chloride with aqueous caustic soda in such a manner that: (1) the concentration of allyl alcohol is initially 65-75 wt. per cent; (2) the initial quantity of allyl alcohol is 3À9-5À0 times, the molar equivalent of the cyanuric chloride added; (3) the concentration of the aqueous caustic is 37-43 wt. per cent; (4) the aqueous caustic soda and cyanuric chloride are added alternately so that the pH is maintained slightly alkaline and the temperature is maintained at 12-18‹ C.; and (5) a total of 3À2-3À6 molar equivalents (based on cyanuric chloride) of caustic soda are added.