baber/WOPTO huggingface dataset:
Patent GB-568129-A (GB)
Title: Obtaining drinking water from sea- and other saline-waters
IPC: B01J39/00
Filed: 1943-04-10
Abstract: 568,129. Obtaining drinking water from sea-water. OCEAN SALTS (PRODUCTS), Ltd., ADAMS, B. A., and BOTT, H. R. April 10, 1943, No. 5779. [Class 46] Drinking water is obtained from sea-water by precipitating the chlorine ions as cuprous chloride and after separation treating the solution to eliminate the remaining cations and anions. For example, cuprous sulphate or anhydrous copper sulphate with spongy copper as a reducing agent is added to the sea-water and the whole agitated to precipitate cuprous chloride which is filtered off. The solution now containing mainly sodium and magnesium sulphates is treated with barium oxide to precipitate the sulphate and magnesium ions, filtered, and then passed to a cation-exchange column, where the sodium &c. ions are substituted by hydrogen ions. A suitable cationexchange material is a resorcinol condensation product which can be reactivated by tartaric or citric acid dissolved in sea-water; since that material is effective for hydrogen-ion substitution only when associated with anions giving an alkaline reaction ; thus, as the cations of this sea-water are associated only with chlorine and sulphate ions and not with hydroxyl ions, this sea-water will not enter into any exchange action.
Patent GB-1196361-A (GB)
Title: A Filter for Gas Flowing in a Hot Cell
Inventor: NAUMANN PAUL
IPC: G21F7/015
Filed: 1968-02-06
Abstract: 1,196,361. Releasable fastenings. EUROPEAN ATOMIC ENERGY COMMUNITY, 6 Feb., 1968 [2 March, 1967], No. 5833/68. Heading E2A. [Also in Divisions B1-2] A filter 5 is attached to the wall 2 of a radioactive hot cell, to filter the atmosphere therein which is circulated through the filter and conduit I, by a latching assembly of cams 11 which are slidable round respective pegs 14 when engaged by frusto-conical member 12 and its annular flange 13, integral with the mounting tube 4 of the filter, so that the filter can be locked into and removed from its operative position (as shown) by purely axial movements of the filter in the member 3. A spring 9 urges valve member 8 against the lower end of tube 4, which has apertures 10, to urge the filter upwards and to close the lower end of duct 15 when tube 4 is withdrawn into the cell. The filter is removed by pushing it downwards, using a remote-handling tool, then lifting (Figs. 3, 4 not shown), and a new filter is inserted by pushing beyond the Fig. 1 position and allowing spring 9 to lift it back. Gravity assists the sliding movements of cams 11 in the embodiment illustrated. In other than vertically oriented arrangements springs are attached to the cams to produce the same results. Flange 13 may have an annular groove receiving the tips 11a of cams 11. There may be three cams 11, spaced circumferentially around members 3 and sliding in respective slots (17) in sleeve 16.
Patent GB-1382163-A (GB)
Title: Roadway sloping attachment for asphalt paving machine
IPC: E01C19/18
Filed: 1972-02-08
Abstract: 1382163 Asphalt paving machines SCHNEIDER-SIMPSON INC 8 Feb 1972 5849/72 Heading E1G An extension unit on the strike-off or screed blade 15 of an asphalt paving machine comprisesa blade 30 which can be raised and lowered about a pivot pin 31 on a horizontally adjustable body 10 carried by the main blade support board 14, whereby the composite screed blade 15-30 can form paving- with an upwardly or downwardly sloping edge, the body 10 of the extension unit being adjusted along a bar 13, as by a hydraulic motor 19 and a screw 16, and carrying a support plate 42 for a vertical end gate plate 41. The end gate plate is adjusted in height by chains 43, 44 and hand screws 51, 52. The blade 30 is height-adjustably clamped to a support plate 70 which is raised and lowered about the pivot 31 by a spanner-actuated screw 38, the blade having an obtuse angled lower edge 30C-30B and an arcuate inner edge protected by a block 33 on the body 10.
Patent GB-882449-A (GB)
Title: Constant speed motor drive
IPC: G04C3/16
Filed: 1959-02-20
Abstract: 882,449. Spring power-storing mechanisms. GENERAL MILLS Inc. Feb. 20, 1959 [Feb. 28, 1958], No. 5881/59. Class 10. An electric motor 20, Fig. 1, energizes through gearing 32, 36 a helical spring 84 which transmits the energy via a shaft 64 and a gear wheel 65 to rotate a spool 146, Fig. 3, for winding on a foil strip 140 as it is used in a recording apparatus 6. Spool rotation speed is maintained constant by the engagement with the wheel 65 of a clock escapement mechanism 4. The shaft 64, Fig. 2, freely passes through a post 42 around which the spring 84 tightens as winding proceeds, shaft rotation arising from the engagement of the spring end 91 with a shaft attachment 78. The motor 20 stalls when the spring is fully wound and energy " feed-back " from the spring is prevented by a ratchet and pawl device 46, 100.
Patent GB-857366-A (GB)
Title: Alloy steel
IPC: C22C38/22
Filed: 1959-02-20
Abstract: A steel which becomes martensitic with a minimum Rockwell "C" hardness of 63 after air cooling from the austenitizing temperature contains by weight .C.0.55.to.0.75% .Mn.0.70.to.1.76% .Si.1.20.to.2.00% .Cr.1.00.to.2.50% .Mo.0.50.to.1.20% It is hardened from the temperature range 1600-1750 DEG F., and may be tempered at 300 DEG F., up to which temperature it is resistant to softening. Use of the composition for jail bars, dies, gauges, shear blades, cutter bars for lawn mowers, chuck jaws, cams, boring tools, and clinker bars is referred to.
Patent GB-709243-A (GB)
Title: Improvements relating to mine-roof supporting structures
IPC: E21D17/086
Filed: 1952-03-06
Abstract: 709,243. Mine roof supporting bars. DIRECTIE VAN DE STAATSMIJNEN IN LIMBURG. March 6, 1952 [March 7, 1951], No. 5908/52. Class 20 (2) One mine roof bar 6, Fig. 1, is supported as a cantilever from a propped bar 2 by means of a bar shoe 8 suspended on the bar 2, the bars 2, 6 being coupled by a short link 3 pivotally connected to each bar so as to ensure that bar 6 contacts the roof as close as possible to the point of connection. The link 3 has pins 4, 7, Fig. 2, which engage in holes 5 in the adjacent ends of the bars 2, 6 or alternatively the link 3 may have holes engaged by pins on the bars. The bar shoe may be constructed as described in Specification 709,241.
Patent GB-1332527-A (GB)
Title: Catalyst preparation
IPC: C07D301/19
Filed: 1971-04-19
Abstract: 1332527 Oxidation catalysts SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 19 April 1971 [22 Jan 1970] 5937/73 Divided out of 1332526 Heading B1E Catalysts comprising titanium in combination with an inorganic siliceous solid are prepared by impregnating the solid with a substantially non-aqueous solution of a titanium compound in a non-basic, inert, oxygen-substituted hydrocarbon as solvent, removing solvent and calcining the impregnated solid. Promoters are compounds of magnesium and alkali metals.
Patent GB-395804-A (GB)
Title: Improvements relating to luminous gas discharge tubes
IPC: H05B41/34
Filed: 1932-02-29
Abstract: 395,804. Discharge lamps. UNEON, Ltd. and SOUNDY, L. H., Vincent House, Vincent Square, London. Feb. 29, 1932, Nos. 6062 and 11753. [Class 39 (i).] Discharge lamps of flashing signs &c. are operated by intermittently short-circuiting the positive column whilst maintaining the flow of current near the cathode. In a neon lamp for direct current, an auxiliary electrode d, Fig. 1, near the cathode b is connected to the anode f through an intermittently closing switch s. The voltage interrupted by the switch s is that across the positive column and not the higher voltage across the electrodes b, f. The electrode d may be of metal gauze at the junction of the positive column and the Faraday dark space but may be nearer the cathode b either in the Faraday or Crookes dark spaces or in the negative glow. In an alternating current lamp, two auxiliary electrodes, one in front of each main electrode, are connected together through the switch s. To extinguish portions of the positive column in sequence, other gauze electrodes may be provided at points along the tube. The tube may be shielded from sight at its ends beyond the auxiliary electrodes. To improve the extinction of the positive column by reducing the escape of ions around the electrode d, this electrode may be circular and may extend near to the walls of the tube; for example, half-way between the circumference of the electrode b and the walls, or the electrodes may be arranged as shown in Fig. 4. The main electrode b is here hollow and is surrounded by insulation l such as steatite, dental plaster or porcelain to produce a discharge spreading from the aperture m. The electrode d is surrounded by insulation n and is carried by, and may be adjustable on, rods p moulded in the insulation l. The electrode b is of iron, aluminium or tungsten. The electrode d is of aluminium, nickel, iron, tungsten, or molybdenum and may be coated with electron emissive material.
Patent GB-1094035-A (GB)
Title: Improvements in or relating to a plastics extruder
IPC: B29C48/435
Filed: 1965-02-11
Abstract: 1,094,035. Pug-mills. KAWASAKI KOKUKI KOGYO KABUSHIKI KAISHA. Feb. 11, 1965 [March 23, 1964], No. 6062/65. Heading B1C. [Also in Division B5] An extrusion moulding machine or plasticizer comprises a main screw impeller 4, at least two auxiliary screw impellers 5 which interengage therewith, and a one-piece barrel 2, the arrangement being such that the axes of the main screw and each auxiliary screw intersect at an angle between 3 and 5 and the barrel is removable without fouling the screws to facilitate the cleaning of both the barrel and the screws. The main screw 4 may be supplemented by a further screw 6, positioned within a barrel 3, which terminates adjacent a breaker plate 9. Band heaters 18, cooling passages in the barrels having inlets and outlets 15, 16 and 31, 32 respectively, and cooling fluid conduits 19 within bores 7 of screws 4 and 5 are provided. The screws 4, 5 each have a feed and compression section 21, Fig. 4 (not shown) of coarse pitch relative to a kneading section 22, the two sections being separated by a gap. The ratio of the pitches is preferably within the range 1:1.25 and 1:1.55. Examples are given wherein the material moulded is vinyl chloride and the extrudate is in the form of a tube.
Patent GB-882421-A (GB)
Title: Improvements relating to bolt guns
IPC: B25C1/10
Filed: 1958-02-25
Abstract: 882,421. Cartridge actuated tools for firing bolts &c. TORNADO G.m.b.H. & CO. Feb. 25, 1958 [March 14, 1957], No. 6082/58. Class 119. A bolt driving gun has a casing part 2 around a barrel 1 releasably connected to a handle part 3 having a barrel-locking-member 5, a firing mechanism 8-12 and a handle 4 by a bayonet-type joint consisting of pins 18 preferably on the casing 2, engaging in grooves 20-24 in the other part so as to allow the two parts to be locked against relative rotation when they are pushed together to be drawn apart to permit them to be relatively inclined to each other. The front of the part 3 is semi-circularly shaped at 19 to give clearance. The barrel can be slid back in the casing to press back the member 5 against a spring 7 and, by rotation, lock to it with mutually engaging lugs (not shown) i.e. when the pins 18 are slid back along the longitudinal grooves 20 and then rotated around the circumferential grooves 22. In this position the spring 7, acting through the barrel, &c., causes the pins to lock the parts against relative rotation by engaging in the front end'23 of the groove 21. Pressure of the muzzle on a work-surface causes the barrel to move back by the length permitted to the stud in the groove 21 so that a head 9<SP>1</SP> on the striker 9 is engaged behind a lug 15 on the trigger to cock the mechanism for firing. The stroke of the firing hammer 9 is short, so that the gun cannot be fired until the barrel has been pushed back until the pins 18 are at the rear end of the recess 22. An extension groove 24 permits the pins to be fully withdrawn to separate the parts.
Patent GB-591962-A (GB)
Title: Hydraulic pressure generating devices
IPC: F04B9/14
Filed: 1945-03-12
Abstract: 591,962. Reciprocating pumps. PAGE; H. E. March 12, 1945, No. 6129. Convention date, March 7, 1944. [Classes 102 (i) and 102 (ii)] [Also in Group XXIX] Means for supplying pressure liquid to a press, lifting device, &c. 70 comprises a pump 26 which withdraws liquid from a container 12 to create a pressure on the rear face of a piston 10, thereby discharging liquid from the container to the press at low pressure, and when resistance builds up to a predetermined pressure the pump delivers high pressure liquid through the suction conduit 65 and a spring loaded by-pass valve 45 directly to the press. Low pressure discharge from the container is effected through valve 55. Suction and discharge valves 41, 45 may be opened simultaneously by a screw 60 to permit return of liquid to the container 12 during the retraction stroke of the press, effected by the spring 77. Pressure chamber 23 of the pump is loosely pivoted to piston 10. In the absence of a spring 77 retraction is effected by a light spring 80.
Patent GB-477802-A (GB)
Title: Improvements in and relating to selective multiple lead pencils
IPC: B43K24/12
Filed: 1937-03-01
Abstract: 477,802. Pencil holders. FEND, G.,- FEND, H., and JAISSLE, C. March 1, 1937, No. 6145. Convention date, Feb. 28, 1936. Addition to 454,416. [Class 146 (iii)] In the multiple pencil described in the parent Specification, the support rods 44, Figs. 1 and 5, of the springs 10, are provided at the rear end with a thickening 47 and are held in the insertable sleeve 13 by a fork-shaped plate 54, Fig. 3, which is pushed from the outside into a transverse slot 52 in the sleeve 13, and which engages the thickenings 47. The thickenings 47 are in the form of hollow rivets secured to the rods 44. The plate 54 is supported by a sleeve 57 or an impressed bead and can be rotated inside the sleeve 13 to bring operating knobs 20 into line with their respective slots, and to prevent withdrawal of the plate 54 through the slot 52. When it is desired to remove the plate it is rotated again and pushed out, a small slot opposite the slot 52 being used for this purpose. Each lead holder comprises a tube 41, threaded at one end and plain at the other and in which is rotatably secured by a bead 49 a slotted tube 48. A feed rod 50 slides in the tube 48 and engages the thread on the tube 41. The spring 10 is confined between the head of the tube 41 and an enlargement 45 on the rod 44. The sleeve 13, which acts also as a lead magazine, is retained by a sleeve 25 which is retained in its turn by a cap 17 screwed on to the sleeve 13. The operating knobs 20 are formed with a short flat rear surface and a long front surface for ease in operation.
Patent GB-613914-A (GB)
Title: Improvements in apparatus for maintaining a constant liquid level
IPC: G05D9/04
Filed: 1945-03-12
Abstract: 613,914. Float-actuated valves. MOORE, R. P. March 12, 1945, No. 6174. [Class 135] Apparatus for maintaining a constant liquid level in a tank provided with means for the inflow and outflow of liquid comprises valve means adjustable to vary the balance of inflow and outflow and operable by a servomotor in the form of a float, the level of which is controlled by the movements of a pilot float floating in the tank, such movements in either direction from a datum position operating to adjust the balance of inflow and outflow to restore the datum level in the tank. In Fig. 1, the level in a weir tank 11 is controlled by a valve 14 supplied from a filter chamber 10. The valve 14 is controlled by an open float 15 to which liquid is supplied or from which liquid is withdrawn by a flexible pipe 18 communicating by a pipe 19 with a source of supply 21 manually adjustable by a valve 22. Liquid drains from this system through a valve 23, operated through a lever 25 by the pilot float 28. The valve rod 24 is sheathed by a tube 27 extending above the maximum height of the liquid in the float 15. The datum level may be adjusted by movement of the fulcrum 26 of the lever 25 by a hand-wheel .30 co-operating with a scale 33. A diminishing level in the tank 11 tends to close the valve 23 and hence to sink the float 15 so that more liquid is admitted by the valve 14. The filter chamber 10 has an automatic inlet valve for maintaining a constant level therein. Liquid is discharged from the tank 11 over a weir 12 into a reservoir 13 and as the head over the weir is maintained substantially constant, the apparatus acts as a flow controller. The flow may be stopped at any time by opening a valve 34 which drains the float 15, causing the valve 14 to close. A float-operated valve 38 acts similarly when the reservoir 13 reaches a certain level. The latter valve opens suddenly against the pressure in the pipe 19 and consequently the level at which this happens may be adjusted by varying the area of the valve member 37 or the ratio of the length to the diameter of the float 35, or both. In a modification, the float which is not open at the top, floats in a separate tank supplied by the source 21 and drained through valves such as 23, 34, 38. As it takes time for the float 15 or the separate tank to fill, the flow is started up gradually.
Patent GB-102871-A (GB)
Title: Improvements in Mechanism for Actuating Models such as Locomotives, Vessels, Aircraft and the like.
Inventor: INGLEFIELD JULIA KATHARINE MAR
IPC: A63H19/02
Filed: 1916-05-01
Abstract: 102,871. Inglefield, J. K. M. May 1, 1916. Mechanical toys. - Relates to the driving- mechanism of models such as locomotives, vessels, aircraft, &c. The axles a, a<1>, Fig. 1, of the driving-wheels carry contrate-wheels b, b<1>, and a central longitudinal shaft c driven from the wormwheel j is movable axially to put one or other of the skewwheels d, d<1> into gear with the corresponding wheel b, b<1>. A loose sleeve g on the shaft c has a worm h gearing with the wheel j, and is formed with non-circular ends g', g<2> adapted to be engaged by corresponding collars f, f' on the shaft c. The shaft c is moved endways bv collars v, v' on a shaft w operated by a hand-lever e. The wheel may be formed or carried on the exterior of 'the spring casing j', and the' ratchet mechanism may be placed outside the frame or casing. With large model locomotives, two or more springs may be used, and the winding-shafts may be geared together so that the springs can be wound simultaneously. Fig. 4 shows a governor which may be driven from one of the wheels b, b'. A flanged piece s loose on the vertical spindle p is operated by the weighted arms q pivoted to the sleeve r, and the position of the pad t is adjusted by the speed lever or by a regulating-screw u.
Patent GB-1133941-A (GB)
Title: Apparatus and method for forming integrally finned tubing
IPC: B21C37/26
Filed: 1966-02-14
Abstract: 1,133,941. Making helically finned tubing; rolling. A. H. McELROY. 14 Feb., 1966 [16 Sept., 1965], No. 6324/66. Headings B3E and B3M. A method of forming finned tubing comprises simultaneously rotating and axially moving tube stock towards and past a treatment station whereat L-shaped strip is helically coiled thereon so that the toe of the foot portion of one fin turn abuts the heel of the foot portion of the adjacent turn. Lengths of tubing 20, on which a fin is to be wound is released from a rack 47, by actuation of a lever 48, on to support rollers, Fig. 4 (not shown). The tubing is rotated and fed axially through means 30 which apply the fin by three driven rolls (194) Fig. 6 (not shown), adjustably supported in a housing adjacent a housing 34. A coil 52 of strip fin stock is supported on a braked drum 56 carried by a frame 58 movable along rails 62 to allow replacement of the coil. Strip from the coil 52 is formed into L-section by roll means adjacent the fin applying means 30 and is then tapered by a driven spindle 230, Fig. 8, co-operating with an adjustable idle wheel 246, such tapering causing the strip to coil around the tubing 20 in co-operation with a helical member (270), Figs. 9, 10 (not shown). The fin is applied so that the heel of the foot portion is deformed by abutment with the toe of the foot portion of the preceding fin turn. The applied fin is straightened and spaced by wheels (280) rotated by friction thereagainst. The finned tubing 22 is supported on rollers 72, 74 and after severing may be allowed to roll down an inclined support, Fig. 11 (not shown).
Patent GB-959956-A (GB)
Title: Flow control valve
IPC: F23D11/28
Filed: 1962-02-20
Abstract: 959,956. Valves. RAY OIL BURNER CO. Feb. 20, 1962 [March 13, 1961], No. 6489/62. Heading F2V. [Also in Division F4] A rotary cylindrical valve 19 for maintaining a constant ratio of oil flows from inlet 21 to a burner 10 via outlet passage 23 and to a reservoir 13 via outlet passage 22, regardless of viscosity changes has the two outlets at equal distances from the inlet in the cylindrical valve cavity wall, the connection between the inlet and both outlets being by way of a peripheral groove 24 on the cylinder tapered at both ends, the two flaps being inversely varied by rotation of the valve cylinder. Fuel is supplied via pump 12 to reservoir 13 having overflow 14 while pump 15 delivers from the reservoir to the rotary valve under the control of a by-pass relief valve 30, the pressure at the outlets from valve 19 being maintained constant by shuttle piston valve 31.
Patent GB-635363-A (GB)
Title: Improvements in hollow casting moulds
IPC: B22C9/06
Filed: 1947-03-07
Abstract: 635,363. Moulding plaster moulds. AUSTENAL LABORATORIES, Inc. March 7, 1947, No. 6521. Convention date, Sept. 27, 1941. [Class 87 (ii)] [Also in Group XXII] A method of making a mould comprising applying to a selected portion of a pattern, a thin freely stretchable membrane and casting a mould section against the membrane-covered portion of the mould. A pattern in the form of a screw 20 is supported on a bed 24 of plaster or other material and a metal strip 25 is fitted into the slot 23 in the head. A membrane of freely stretchable material such as a rubber sheet of about 0.001 inch thick is placed over the pattern and support and a mould section 28 is cast on the sheet. For this purpose a low melting point alloy of tin and bismuth is used and is cast under a pressure of 80 lb. per square inch so that the membrane is pressed firmly against the pattern. The bed 24 is then removed and the pattern supported on the cast mould section 28 while the second mould section 29 is similarly formed. A sprue or sprues such as 30, 31 may be formed in the mould sections either during casting or subsequently. If desired the mould so formed, Fig. 6, may be used for the injection casting of wax patterns to be used for forming heat resistant moulds of plaster or other material for casting screws of tough alloys which are difficult to machine.