baber/WOPTO huggingface dataset:
Patent GB-1068932-A (GB)
Title: Improvements in and relating to the manufacture of porous electrodes
Inventor: BLOCH ODILE
IPC: H01M4/96
Filed: 1964-09-03
Abstract: An electrode is formed by depositing carbon on a base of sintered iron, nickel or cobalt by heating in a hydrocarbon atmosphere e.g. methane, propane, ethane, hexane, dodecane, eicosane and cyclohexane. The sintered base may be made by decomposing the metal carbonyl at 50 to 250 DEG C., mixing the metal powder with a gelation agent and hot rolling.  It has a mean pore diameter of 5 to 25 microns and a porous volume of 40 to 80% of its apparent volume.  Prior to the carbon deposition, nickel or cobalt may be electrolessly or electrolytically deposited on the sintered base by impregnating with a solution of a Ni or Co salt. Silver, gold or elements of the groups of the periodic table including platinum or iron may be deposited on the carbon.
Patent GB-1080486-A (GB)
Title: Improvements in or relating to injection moulding machines
IPC: B29C45/10
Filed: 1964-09-03
Abstract: 1,080,486. Injection-moulding machines. MASCHINENFABRIK UND GIESSEREI NETSTAL A.G. Sept. 3, 1964 [Sept. 3, 1963], No. 36181/64. Heading B5A. In an injection moulding machine the mould halves are held between plates 29 and 35 movable along the length of a support unit 26 and the unit 26 is rotatable about the longitudinal axis of injection unit 2. Plate 29 is attached to a block 27 which slides on bars 41 and plate 35 is movable along rods 28 by means of an hydraulically operated piston and toggle mechanism, Fig. 3 (not shown), attached to a second block 31. This block may also be moved along rods 28 so that the mould halves when closed may be moved from a postion where the injection nozzle (15), Fig. 2 (not shown), is in line with the mould parting line, to a position where injection takes place along the axis of unit 26, see Fig. 4 (not reproduced). The rotation of unit 26 is achieved by the co-operation of rollers mounted on plate 23 with an annular groove in fixed plate 5, a lock (26a), Fig. 4 (not shown), being provided to hold unit 26 in any desired position. The injection unit 2 comprises a feed screw (9), Fig. 2 (not shown), movable axially by reciprocation of a piston (14) within a cylinder (6). The injection unit itself is also movable axially either manually or hydraulically, to facilitate access to the injection nozzle, and is locked in position by co-operation of couplings (18) and (21). Two injection units may be arranged coaxially to feed the mould with different materials or material of differing colours. Metallic inserts may be incorporated in the mouldings.
Patent GB-1037045-A (GB)
Title: Improvements in or relating to gas jets or burners
Inventor: HANCOCK JOHN
IPC: F23D14/04
Filed: 1963-09-13
Abstract: 1,037,045. Gas burning jets. GEO. BRAY & CO. Ltd., J. HANCOCK, and A. WESTERMAN. Aug. 13, 1964 [Sept. 13, 1963], No. 36188/63. Heading F4T. A gas burning jet has a rectangular main orifice 3, Fig. 1, and auxiliary orifices 5 providing flames to maintain ignition of gas issuing from orifice 3. The gas passes from cavity 4 to annular chamber 6 via two slots 7 causing a reduction in pressure in the gas so that the auxiliary flames do not lift off. Semi-circular grooves may connect the top of jet body to auxiliary orifices 5, Fig. 4 (not shown). The jet is fitted into a metal socket which may have a windshield and the chamber 6 may be formed in the socket instead of in body 1, Figs. 7-9 (not shown). The auxiliary orifices may be at the top of frusto-conical projections and be coplanar with the main jet, Figs. 10-12 (not shown).
Patent GB-1114653-A (GB)
Title: Resilient coupling for pipes
IPC: F16L23/24
Filed: 1965-08-24
Abstract: 1,114,653. Pipe joints. AUTOCLAVE ENGINEERS Inc. 24 Aug., 1965 [28 Aug., 1964; 13 May, 1965], No. 36370/65. Heading F2G. Hubs 6, 7 welded to pipes 4, 5 having flanges 8 formed with sloping outer surfaces 10 are clamped together by a split clamp 11 provided with inner surfaces 14 corresponding to the surfaces 10, resilient tubular members 17, such as spiral springs, continuous metal tubes, segments of tubes or springs or C-shaped segments positioned side-by-side, being disposed in grooves 16 in the flanges and thrust washers 15 being positioned between the members and the surfaces 14. A seal' ring 21 is compressed between the flanges. In modifications, (a) the members 17 are disposed in grooves in the surfaces 14 of the clamp 11 or in thrust washers seated in recesses in the flanges 8, (b) the members 17 are housed in recesses in the flanges 8 and opposed clamp rings, Figs. 7 and 9 (not shown), (o) the flanges 36, Fig. 8, of the hubs 34, 35 are clamped together by pairs of rings 38, 42 providing recesses 39 for coaxial tubular springs 40, 41, (d) the hubs are connected together by flanges and clamp rings, the latter having recesses for springs 17 lying between and on the pitch circle of the bolts.
Patent GB-1066046-A (GB)
Title: Improved process for the recovery of p-xylene
IPC: B01D11/02
Filed: 1965-08-25
Abstract: <PICT:1066046/C4-C5/1> In the p-xylene crystallization process of the parent Specification, at least part of the p-xylene crystals are melted and introduced as washing liquid at an intermediate point of the washing zone and the wash liquor is chilled to form a second slurry of p-xylene crystals which are introduced into the washing zone.  In one embodiment feed is crystallized at 3 and a slurry of crystals separated at 7, the mother liquor being isomerized, concentrated and recycled. The slurry is heated at 11 to melt the crystals and introduced at an intermediate point of countercurrent washing zone 15 which is a rotating disc contactor giving toroidal flow patterns.  Pure p-xylene is obtained at the bottom by line 37 having been melted by heater 35.  The wash liquor in line 16 is crystallized and the crystals returned to 15 for washing. An extraneous wash liquid may also be used.
Patent GB-156130-A (GB)
Title: Improvements in incubators
IPC: A01K41/00
Filed: 1920-12-30
Abstract: 156,130. Buckeye Incubator Co., (Assignees of Smith, S. B.). Oct. 26,1916, [Convention date]. Hatching-appliances.-Eggs are incubated in a chamber in which a current of heated air is circulated by a fan 18, the egg-trays 13 being arranged in tiers and separated from the central corridor 5 by curtains 3, 4. The air heated by pipes 23 passes downwardly in the corridor and upwards through the trays, the spaces between the columns being closed by strips of fabric. Foul gases escape by restricted outlets 28 and fresh air, into which steam may be injected, enters by a regulated opening 24. The upper trays in which the eggs are warmed are placed in a fixed horizontal rack 9. During incubation the trays are carried by rocking racks 10 comprising angle bars 16 pivoted -to uprights 15 which are suspended by cross-bars from links 11 to permit simultaneous turning of all the eggs in each rack. While hatching the eggs are accommodated in fixed racks 12. The air current takes up the excess heat evolved during the later stages of incubation and distributes it to the less advanced eggs. A thermostat controlling the supply of fluid to the heating pipes 23 may be employed.
Patent GB-1529609-A (GB)
Title: Method and apparatus for depositing a sludge for deposition onto the filter surface of an endless belt filter
IPC: B01D33/04
Filed: 1976-09-03
Abstract: 1529609 Feed device for belt filter NORDENGREN PATENTER AB 3 Sept 1976 [5 Sept 1975] 36542/76 Heading BID An apparatus for depositing sludge onto a filter surface of an endless-belt filter comprises a box having an open top 4 and a vertical partition 8 moveable vertically to form an adjustable gap between the lower edge of said partition and the upper surface of the bottom 5 of the box. Sludge filling the box on one side of the partition flows beneath the lower edge of the partition and over the top edge to provide two streams which unite on the other side of the partition and the united sludge stream which is maintained at constant solids content is discharged through exit 9 onto the filter belt. The device may distribute phosphoric acid manufacturing sludge.
Patent GB-919519-A (GB)
Title: Improvements in or relating to electrically controlled brakes
Inventor: WASHBOURN JACK
IPC: B60T13/68
Filed: 1960-10-25
Abstract: 919,519. Electrically controlled brakes. WESTINGHOUSE BRAKE & SIGNAL CO. Ltd. Sept. 12, 1961 [Oct. 25, 1960], No. 36562/60. Class 103 (1). A valve 16 for an electrically controlled brake comprises a movable member 21 controlling the degree of braking and means for moving the member 21 in a series of steps in response to impulsive energization or de-energization of a control circuit, each impulse corresponding to a definite step of movement. As shown, the upper chamber of the brake cylinder 12 is connected to a vacuum train pipe 10 via a check valve 13 and is also connected by a conduit 14 to the underside of a diaphragm 15. The chamber 18 above the diaphragm 15 is connected to the lower chamber of the brake cylinder by a conduit 19. A movable valve stem 21 carries an outer seat 22 for a spring-loaded valve plate 23 and an inner seat 26 for plate 23 is formed on a boss 27 carried by the diaphragm 15. The stem 21 is threaded and a nut 29 thereon is formed as two ratchet wheels 31, 32 which are driven by two magnets 33, 34 fitted with pawls 33a, 34a, one magnet being provided for movement in each direction. The brakes are applied by movement of a driver's valve handle which energizes the Application wire 35with a definite number of impulses. This in turn causes the application magnet 33 to rotate the ratchetwheel .31 a number of turns and so move the stem 21 downwards. Plate 23 is lifted off its outer seat 22 and the lower chamber of the brake cylinder is connected to atmosphere via a passage 25. When pressure .in chamber 18 is sufficient to overcome the spring 28 the valve can again lap off. Release of the brakes is caused by movement of the driver's valve handle to release position\which energizes in a series of impulses the release magnet 34. This causes the ratchet-wheel 32 to rotate and move the walve stem upwards so as to lift the plate 23 off its inner seat 26 and connect the upper and lower chambers of the brake cylinder. If the vacuum in the train pipe 10 falls to a dangerous level, switch 38 will break, which causes de-energization of emergency wire 37. The magnet valve 17 operates to vent the chamber below the diaphragm 15 to atmosphere, giving a full brake application by lifting plate 23 off its outer seat. The stepwise movable valve may be used in compressed air or continuous flow hydraulic brake systems.
Patent GB-1418130-A (GB)
Title: Method and apparatus for determining a fluid contaminant
IPC: G01N9/00
Filed: 1973-08-01
Abstract: 1418130 Detecting fluid contaminants TEXACO DEVELOPMENT CORP 1 Aug 1973 36577/73 Heading G1S An apparatus for sensing the presence of a contaminant in a liquid stream, the contaminant having a different density from that of the liquid stream, for use in an offshore structure in connection with petroleum operations comprises a cylindrical container 19 and an inlet pipe 20, the outside end of the pipe being connected for fluid-flow from hole 16 by tube or pipe 23. Inside the container 19 is a fluid-tight conduit 24 extending to a predetermined height above a body of water 12. If the density of the fluid in inlet leg 28 is greater or less than the density of fluid in column 29 there will be an equilibrium condition, under static or steady flow, that has the level of inlet leg 28 above or below that of column 29. A float 32 is connected by a mechanism 33 to a valve or switch in such a manner that an alarm is actuated by a change in the height of the float 32. The apparatus may be used to detect oil contaminants in the drainage from deck 11.
Patent GB-1152805-A (GB)
Title: Cylinder Head for Internal Combustion Engine
IPC: F02B1/04
Filed: 1967-08-10
Abstract: 1,152,805. Cylinder heads; valve gear; cooling. BAYERISCHE MOTOREN WERKE A. G. Aug. 10, 1967 [Aug.13, 1966], No.36819/67. Heading F1B. In a I. C. engine cylinder head each partspherical combustion chamber 2, Fig.1 has two larger inlet valves 3 and two smaller exhaust valves 4 arranged in pairs on opposite sides of the combustion chamber 2, the planes 5', 6' containing the axis 3', 4' of each pair of valves are at rightangles to one another with one plane 5' at an angle of between 15 degrees and 30 degrees to the longitudinal central plane of the row of cylinders and the angles between the inlet valve axes of each pair being less than the angles between the exhaust valve axes of each pair. The cylinder head has inlet passages 23, Fig. 7, exhaust passages 24, Fig. 6, sparking plug bores 8', through bores 12 for cylinder head bolts and cooling water chambers 21 which are connected to the cylinder water cooling jacket. Bearings (25, 27, Fig.3 not shown) and 22, Fig. 6 respectively support rocket supporting shafts, bearing shafts for the exhaust valve control rockers and the cam-shaft surfaces (30, Fig. 3 not shown) support the inlet valve control rockers.
Patent GB-619588-A (GB)
Title: Improvements in sights for rifles and the like
IPC: F41G1/42
Filed: 1946-12-13
Abstract: 619,588. Rifle sights. HAUGE, G. Dec. 13, 1946, No. 36878. Convention date. Dec. 14, 1945. [Class 119] A rifle sight comprises a foresight and backsight in which the foresight, shown in Fig. 2, consists of a tunnel member 1 having its outer surface in the form of a slightly tapering cone and having a bead 4 mounted on a filling member 3 having a horizontal surface 3a for controlling the levelling of the rifle. The backsight, shown in Fig. 3, has an aperture 7 so dimensioned relatively to the outer diameter of the tunnel member that a clearance appears between the periphery of the backsight aperture and the outer periphery of the tunnel member when aiming. The backsight is movable transversely by the screw 10 and vertically by screw 15.
Patent GB-937127-A (GB)
Title: Process for the preparation of glycidyl polyethers
IPC: C07D303/24
Filed: 1961-10-16
Abstract: Glycidyl polyethers of polyhydric phenols are prepared by adding an aqueous solution of alkali metal hydroxide to a solution of a polyhydric phenol in an excess of epichlorohydrin, calculated on the phenolic hydroxyl equivalent of the phenol, in proportions of substantially 1 mol. alkali metal hydroxide per phenolic hydroxyl equivalent, and a sufficient amount of methanol to maintain a single liquid phase throughout the reaction.  The epichlorohydrin is suitably used in amounts of at least 3 mols. per phenolic hydroxyl equivalent.  The aqueous alkali metal hydroxide is generally used at a concentration of at least 15% by p  weight.  If desired, slightly less than one mole equivalent of alkali metal hydroxide, per phenolic hydroxyl group, may be added during the reaction; the remainder being added thereafter.  The amount of methanol used is preferably 5-100% by weight, based on the amount of epichlorohydrin present.  Examples describe the process utilizing bis-phenol A, and in comparative experiments methanol is replaced by ethanol, acetone, and isopropanol.  Other phenols mentioned are resorcinol, hydroquinone, 4,41-dihydroxydiphenyl, bis-4-hydroxyphenylmethane.ALSO:Glycidyl polyethers of polyhydric phenols are prepared by adding an aqueous solution of alkali metal hydroxide to a solution of a polyhydric phenol in an excess of epichlorohydrin, calculated on the phenolic hydroxyl equivalent of the phenol, in proportion of substantially 1 mol alkali metal hydroxide per phenolic hydroxyl equivalent and a sufficient amount of methanol to maintain a single liquid phase throughout the reaction.  The epichlorohydrin is suitably used in amounts of at least 3 moles per phenolic hydroxy equivalent.  The aqueous alkali metal hydroxide is generally used at a concentration of at least 15% by weight.  If desired slightly less than one more equivalent of alkali metal hydride, per phenolic hydroxyl group, may be added during the reaction; the remainder being added thereafter. The amount of methanol used is preferably 5-100% by weight, based on the amount of epichlorohydrin present.  Examples describe the process utilizing bis-phenol, and in comparative experiments methanol is replaced by ethanol, acetone, and isopropanol.  Other phenols mentioned are resorcinol, hydroquinone, 4,41-dihydroxydiphenyl, bis-4-hydroxyphenyl methane.
Patent GB-1194161-A (GB)
Title: Chain.
IPC: F16G13/16
Filed: 1968-08-29
Abstract: 1,194,161. Taking-up slack in flexible elements. AERO-MOTIVE MFG. CO. 29 Aug., 1968 [30 Aug., 1967], No. 37078/68. Heading B8B. [Also in Division F2] A chain 2 for supporting and guiding flexible hoses or cables 7, 8, 9 between a fixed station and a movable one comprises links 4 pivoted together, each end of each link having a tab 22 (Fig. 5) and, on the opposite side of the associated pivot 19, an arcuate notch 23, each tab 22 engaging a notch 23 of an adjacent link so that in either limiting position of pivoted movement, a limiting surface of each tab 22 engages a limiting surface of its associated notch to provide two support points for each pivot, one on either side thereof, to reduce the shear load on the pivot. The hoses or cables are supported between two or more chains by transverse bars 5, 6 or transverse plates (10) (Fig. 2, not shown) with openings therethrough. As shown in Fig. 5, each link comprises two identical plates 14 bolted together, each with a concave surface 16 at one end and a convex surface 15 at the other, the surface 15 of one plate and the surface 16 of the other lying on a common cylindrical surface coaxial with the pivot 19. Cover plates (24) (Fig. 7, not shown) may be added to one or both sides of the links, these plates having no notches or tabs. An alternative link (Fig. 11) comprises a plate 45 with both ends 46, 47 convex with notches 48, 49, bolted to a plate 58 with both ends 59, 60 concave with tabs 61, 62. Again, plain cover plates may be added. The links may be of metal or plastics, and plastics links may be moulded in one piece. More than two notched and/or slotted plates may be used per link.
Patent GB-1176360-A (GB)
Title: Improvements in Inverter Circuits
Inventor: FARROW VICTOR
IPC: H05B41/282
Filed: 1967-08-11
Abstract: 1,176,360. Supply circuits for discharge lamps. THORN ELECTRONICS Ltd. 11 Aug., 1967, No. 37083/67. Heading H2H. [Also in Division H1] The leaky transformer T 1 , Fig. 1, in an inverter circuit having switching transistors VT 1 , VT 2 , has its primary and secondary windings on opposite limbs of a closed magnetic circuit having air gaps Z/2 (Fig. 3) in those limbs, a magnetic shunt C, D air-gapped at y being provided between the windings. The length of gaps Z/2 is said to determine the pre-strike frequency when the transformer supplies a fluorescent lamp. The ratio of the gap y to the total main circuit gap 2 determines how much of the secondary pre-strike voltage is lost due to limbs C and D which may be wider than the core thickness and tapered at the ends. The apparatus may operate at from 5 to 50 (Kc./s.)
Patent GB-930254-A (GB)
Title: Improvements in grilles, screens and the like
IPC: E06B9/01
Filed: 1961-10-17
Abstract: 930,254. Grilles. E. C. HALLOCK. Oct. 17, 1961, No. 37193/61. Class 74 (2). A grille comprises a number of corrugated strips 10, 11, 12, 13 held apart by X-shaped clips 14, 14a, each having two pairs of arms 16, 17, 18, 19 resiliently gripping the edges of adjacent strips. The clips may be of metal or plastic and formed by extrusion. The length of arms 16, 17, 18, 19 may be varied to give different relative positions of the strips 10, 11, 12, 13.
Patent GB-1105560-A (GB)
Title: Improvements relating to endless tracks, belts or the like
IPC: B62D55/24
Filed: 1965-08-31
Abstract: 1,105,560. Endless conveyers. GO-TRACT Ltd. 31 Aug., 1965 [10 Nov., 1964], No. 37213/65. Heading B8A. [Also in Divisions B7 and F2] A flexible sheet material, which may be used in the construction of an endless belt, or moving footpath, comprises a sheet of rubber reinforced by a plurality of stranded cables, each of which has been treated with a lubricant which may be grease, graphite, molybdenum disulphide or a mineral oil which may be applied during the manufacture of the cables or by subsequent coating, or both. The lubricated cables, which may comprise successive strands wound in opposite directions, may be enclosed within a plastic sheath about which the rubber sheet is formed by moulding. The lubricant may be replenished. during the life of the article, by injection.
Patent GB-1151708-A (GB)
Title: Apparatus for Tensioning and Anchoring Stressing Members Forming Together a Stressing Cable
IPC: E04G21/12
Filed: 1966-08-19
Abstract: 1,151,708. Wire strainers. LOSINGER & CO. A.G. 19 Aug., 1966 [16 Sept., 1965; 25 May, 1966], No. 37344/66. Heading F2G. A tensioning and anchoring device for concrete reinforcement strands 2 comprises an anchor head 5 having a plurality of parallel part-cylindrical, part-conical bore holes 13 each receiving a strand and a conical wedge clamp 6, which is movable for a limited extent in the direction of release and is self-clamping in the opposite direction. The strands 2 forming a cable, which is to be tensioned and anchored in a channel 1a of a concrete structure 1 prior to tne injection of cement, pass through an embedded plate 3, anchor block and clamps 5, 6, a jack support plate 10, and a jack 7, 8 to a pullhead 9 similar to the anchor block. The support plate, which provides limitation of the wedges moment in the release direction, has a plurality of stepped bores 11 housing coil or cup springs 12 acting between the plate and the clamps 6. The strands are tensioned in a plurality of stages, the clamps disengaging from the bore holes to release the strands during tensioning by the jack but being maintained in frictional engagement with the strands by the springs and re-engaging the bore holes to clamp the strands on release of the jack. The distance the wedges move back on release of the tension on the wires to re-engage the bore holes which distance is called " the retraction slip ", is compensated for in the final stage of tensioning by insertion of a horseshoe shaped plate 14 at least as thick as " the retraction slip " between plates 10 and 3. This enables a comb-shaped plate 4, Fig. 2 (not shown), having a thickness corresponding to " the retraction slip " to be inserted between the plate 3 and anchor head 5 on final extension of the jack. On subsequent release, the head 9, the jack, plate 10 and the plate 14 may be removed. After injection and hardening of the cement, the strands can be burnt through at about plate 4 and the head and clamps re-used. In a modified embodiment, Figs. 4-7 (not shown), each clamp which was previously formed in three segments, is formed by two segments and the springs 12 are omitted. In this arrangement, shoulders 17 formed by the stepped bores in the hold-plate limits the movement of the clamps in the release direction and are said to ensure uniform " retraction slip " of the strands.