baber/WOPTO huggingface dataset:
Patent GB-797699-A (GB)
Title: Hydraulic load handling device
IPC: B66C13/18
Filed: 1955-12-08
Abstract: 797,699. Shovelling machines. HYDRAULISKA INDUSTRI AKTIEBOLAGET. Dec. 8, 1955 [Dec. 9, 1954], No. 35206/55. Class 68(1) [Also in Group XXX] The slewing jib 20 (Fig. 2) of a load handling machine is luffed by a hydraulic ram 7, 15 and has at its end a further jib 28 which can be folded back as illustrated for stowing or can be moved to a position in which it is swung about a pivot 27 relatively to the jib 20 by a hydraulic ram 34. As illustrated each jib 20, 28 is of channel section and the ram 34 is mounted within the jib 28 to swing a member 30 about the pivot 27. When the jib 28 is thus unfolded the member 30 engages the wall 35 of the jib 28 which is thus swung by the ram 34. The ram 34 may be singleacting and work against a counterweight or against a spring 38 as shown, or may be double acting. The jib 20 is pivoted at 19 to a bracket on the cylinder 7 and is connected by a pair of links 21 to a trunnion 23 on the piston 15. The cylinder 7 is slewed by a rack mounted in a housing 13 to engage a pinion on the cylinder and reciprocated by hydraulic rams 10, 11. Valves 59, 67 controlling the ram 7, 15, the slewing rams 10, 11, and the ram 34 are controlled by handles 60, 61, 70, 71 which may be mounted at the sides of a vehicle on which the device is mounted and the two valves 59, 67 may be combined. The device may be mounted on a rail vehicle or ship but is shown on a road vehicle provided with a cross beam 3 which forms a liquid reservoir and with telescopic legs 72 for relieving the load on the vehicle springs. A tube 41 which telescopes aljustably in the end of the jib 28 terminates in a chain 42 (Fig. 5) passing over a pulley or guide 44 and locked in an adjusted position by a chain stopper 49 carried by a link pivoted at 47 and secured by a spring biased bolt 53. The jib 28 may carry a shovel, and may be pivoted directly to the ram head 32 of the ram 34.
Patent GB-858112-A (GB)
Title: Apparatus for mixing solids and liquids, especially paints
Inventor: MOREHOUSE GLENN HAROLD
IPC: B01F15/00
Filed: 1959-10-19
Abstract: 858,112. Paint agitators. MOREHOUSE INDUSTRIES Inc. Oct. 19, 1959, No 35262/59. Class 86 A machine for agitating solids in liquid dispensions, especially paint, has a container 11 with a centrally mounted pedestal 15 which is hollow and carried by webs 18 on interior sleeve 17 in which is journalled a shaft 22 rotatable as by a motor 23. The shaft 22 carries a detachable mixing head comprising upper and lower parts 35, 34 between which is clamped a plate 36 having sluices 37. The shaft 22 also carries a collar 29 and seal ring 32, a dependent resilient lip 33 of which embraces the annular lip 28 attached to pedestal 15. At rest and at low speeds of rotation the lips 33, 28 are in sealing contact; at high speeds, centrifugal force defaces the seal ring 32 so that the lip 33 swings outwardly, reducing the pressure and the consequent wear on parts 33, 28. Liquid entering through the passage 43 into the chamber 46 is also removed by centrifugal force through ducts as at 45 in the lower part 34 of the mixer head. Any liquid which may pass the seal ring 32 into the inner annular chamber 47 or condensers therein is deflected from the bearings by the skirt 49 and drains down inside the hollow pedestal. The pedestal and mixing head are formed with a concave surface and the junction of the sides and bottom of the container is curved, in order to promote circulation in the container and to eliminate corners which might retain solids. The apparatus may be emptied by tilting.
Patent GB-490645-A (GB)
Title: Improvements in or relating to the manufacture of safety paper
IPC: D21H21/46
Filed: 1937-12-20
Abstract: 490,645. Security paper. BAUSCH, T., BAUSCH, F., and BAUSCH, V., (trading as SCHOELLER & BAUSCH, F.). Dec. 20, 1937, No. 35302. Convention date, Dec. 23, 1936. [Class 96] Security paper contains an acid indicator, e.g. an iron or an iron-cyanogen salt converted before or during its addition to paper pulp or to paper, into a colourless or but slightly coloured, and only slightly dissociated complex salt of a metal of the sixth group of the periodic table which forms an acid or a polyacid, e.g. iron tungstate or ammonium-iron-cyan-tungstate or molybdate ; the paper also containing a reducing-agent indicator reducible to elemental form, e.g. mercury tungstate, barium tellurite, barium selenite. Alternatively a buffering agent, e.g. an alkali metal salt of phosphoric acid or boric acid, may be used with the acid indicator and with alkali ferrocyanide.
Patent GB-467798-A (GB)
Title: Improvements in and relating to cigarette holders
IPC: A24F13/22
Filed: 1936-12-23
Abstract: 467,798. Cigarette holders. CLEVELAND, F. J. (Jefferis, A.) Dec. 23, 1936, No. 35331. [Class 130] A cigarette holder comprises companion finger-engaging clips 5 carrying an intermediate cigarette-supporting clip or ring 6 having its axis at an angle, for example a right angle, to those of the clips 5. The ring 6 may be flared at either or both ends 18, Fig. 7, or split as at 11, Fig. 4, or the split ends may overlap as at 15, Fig. 6, the outer overlapped end being stepped at 16.
Patent GB-791044-A (GB)
Title: Purification of aliphatic acids
Inventor: GRAHAM ARCHIBALD ROBERT
IPC: C07C51/487
Filed: 1955-12-09
Abstract: C2-4 Aliphatic monocarboxylic acids produced by the liquid phase oxidation of C4-8 paraffin hydrocarbons, prepared for example by the processes described in Specifications 743,989 and 743,990, are purified by catalytic hydrogenation, preferably after being substantially freed from formic acid.  In a preferred embodiment, acetic acid recovered by the process described in Specification 771,992, [Group III], is used.  The hydrogenation may be carried out in the liquid or vapour phase, preferably liquid.  A wide range of temperature and pressure is suitable, generally room temperature and atmospheric pressure. Preferred catalysts are of the platinum or palladium groups. After treatment the acid product may be recovered by conventional methods, e.g. filtration or distillation.  In Examples (1), (2), (3), (5) and (6), an aqueous solution of C2-4 acids containing also formic acid, obtained by oxidation of paraffins, is first subjected to a multiple distillation purification process, then dehydrated by distillation with isopropyl ether, freed from formic acid by distillation with toluene, and acetic acid distilled off; this is redistilled to remove traces of toluene and formic acid and hydrogenated using platinum oxide, palladium/charcoal and palladium/"Celite" (Registered Trade Mark) catalysts in the liquid phase at atmospheric pressure and room temperature.  In Example (4), propionic acid obtained by batch distillation of the residue remaining after recovery of the acetic acid is similarly hydrogenated using a platinum oxide catalyst.
Patent GB-206741-A (GB)
Title: Improvements in and relating to metallic containers, kegs and the like
IPC: B65D45/28
Filed: 1922-12-29
Abstract: 206,741. Francis, J. H. E. Dec. 29, 1922. Lids and covers; handles. - A metallic container such as a sheet metal keg for containing oils and greases has its lever lid b held in place by a detachable strip d of stiffened metal shaped to serve as a handle which engages lugs c, c<1> on the body to form a bayonet joint and is so positioned that it bears on the rim of the lid and holds it in place. The lug c<1> may be formed as a pocket and there may be provided at the other end a perforated boss both on the strip d and on the lug c through which a wire may be passed to seal the strip in place. A tongue may also be provided on the lug c which can be bent down and soldered to hold the strip in place. The lugs c, c<1> may be replaced by a bead pressed from the upper rim of the contained and interrupted at diametrically opposite points so that the ends of the strip may pass through. The bead may constitute an interrupted screw thread. The ends of the strip may be sharpened to allow it to be used to prize up the lever lid, and a recess may be formed in the flange of the lid or both to facilitate this. The strip is arranged when in position on the drum to lie below the level of the rim.
Patent GB-302681-A (GB)
Title: Improvements in or relating to pumps for forcing under pressure liquefied gases at low temperatures
IPC: F04B7/04
Filed: 1928-11-30
Abstract: 302,681. Soc. L'Air Liquide, Soc. Anon. pour 1'Etude et l'Exploitation des ProcÚdÚs G. Claude. Dec. 20, 1927, [Convention date]. Single-acting suction - valveless piston pumps for volatile liquids; strainers; temperature, controlling.-A pump P delivers liquefied gas from a container R to a vaporizer G where it is converted into gas under pres. sure and distributed, the heat developed by the pump being dissipated by gills U. The discharge valve seat may be of slightly plastic material, e.g. fibre or pure copper. A plate N on a tubular pump extension retains lubricating oil from the slide X which actuates the pump. A screen 0 prevents entry of solid particles to the pump ports L by which liquid enters and any gas escapes. The pump may be electrically driven; the current supplying the motor may pass through a heating resistance in the vaporizer, the resistance being automatically cut out of the circuit when the pump stops.
Patent GB-1065999-A (GB)
Title: Apparatus for testing the tooth flanks of gears
IPC: G01B5/20
Filed: 1965-08-18
Abstract: 1,065,999. Testing gears. W. FERD KLINGELNBERG SOHNE G. m. b. H. Aug. 18, 1965 [Sept. 19, 1964J, No. 35415/65. Heading G1M. An apparatus for testing the tooth flanks of gears with involute gearing, comprising a first slide 13 which is displaceable on a guide 12 at right angles to the axis of the wheel 20 under test, a second slide 14 which partly embraces the first slide and is driven by a spindle 25 in the same direction and which is provided with an angularly adjustable linear guide 22 in a plane tangential to the wheel axis, a drivable third slide 17 guided on the first slide so that it is parallel to the axis of the wheel and on which the measuring feeler 19 is mounted and which is guided together with a slide block 24 in the angularly adjustable linear guide of the first slide, wherein on a fourth slide 31 drivable at right angles to said first and second slides, a second angularly adjustable linear guide 32 is provided of which the slide block 33 is flexibly connected to the second slide, and one or more roller rulers 35 (36) are fixed to the slide and can be caused to move over one or more roller cylinders 37 (38) which are permanently mounted coaxially with the wheel under test. A clamping device 40 is provided for holding one of the roller rulers 35, 36 in contact with its respective roller cylinder 37 or 38 by means of a pressure roller 36 Fig. 6 (not shown). For testing wheels near the lower end of the range the smaller roller cylinder is used. For testing the tooth angle the angle of slope of the linear guide 22 is set to the angle of slope required on the wheel. Variations in the angle # w  of slope of the guide 32 vary whether the drive is set up by slide 17 or 14.
Patent GB-1153817-A (GB)
Title: Improvements in and relating to Connecting Hollow Section Members
IPC: F16B5/00
Filed: 1967-08-02
Abstract: 1,153,817. Corner joints. VEREINIGTE METALLWERKE RANSHOFEN - BERNDORF A.G. 2 Aug., 1967 [3 Aug., 1966], No. 35445/67. Heading E1J. A joint for hollow frame mitred sections 1, 2 is formed by two L-shaped insert pieces 3, 4 arranged side by side within the hollow sections, which are drawn together at the mitred ends and cylindrical pins 10 (of steel or aluminium alloy) are driven through the frame members and into the dividing space between the pieces so as to act as wedges to spread the pieces apart into frictional contact with the frame sections and to form grooves in the insert pieces 3, 4 conforming to the shape of the pins so that the pieces grip the pins. The sections 1, 2 are drawn together by clamp levers 7 which engage through apertures 6 in the sections 1, 2 and into an enlargement 5 of the space beween the pieces 3, 4, the levers being braced by screws 8 with respect to the sections 1, 2. During the insertion of the pins 10 the frame is supported on an anviltype member 11. The invention is also applicable to joining longitudinally aligned frame sections.
Patent GB-1102936-A (GB)
Title: Optical image intensifying device
IPC: H01J31/50
Filed: 1965-08-18
Abstract: 1,102,936. Image intensifier tubes. NIPPON ELECTRIC CO. Ltd. 18 Aug., 1965 [18 Aug., 1964 (3); 2 Oct., 1964], No. 35462/65. Heading HID. [Also in Division H4] An arrangement for intensifying optical images utilizes a light modulator 24 comprising a crystal 241 (Fig. 2), which operates to vary the polarization of transmitted light in accordance with the intensity of an electric field applied across the crystal. In the arrangement shown the crystal, which is provided with a transparent electrode 242 and a reflecting electrode 243, is positioned in contact with the secondary electron emissive surface 293 of a tube 290 which operates to convert an optical image on the photo-cathode 29 to an electron charge pattern on the grid 294, thus producing an electric field across the crystal which has a potential distribution corresponding to the optical image. This results in a corresponding variation in the polarization of light from a source 21 plane polarized by means 23 and produces, when directed via analyser 25 on to screen 28, a replica of the original optical having an intensity dependent on that of source 21. In a modification (Fig. 3, not shown), a high resistance semi-conductor film is sandwiched between the reflecting electrode and a transparent thin film electrode the whole assembly being mounted inside an image tube such that a charge pattern is produced on the latter electrode by accelerated photoelectrons. In a further arrangement (Fig. 4, not shown), a photo-conductive layer is sandwiched between the reflecting electrode and a transparent electrode on which the optical image to be intensified is directly projected. The D.C. voltage sources 346 and 46 in Figs. 3 and 4, respectively, may be replaced by A.C. sources if the intensity of the light sources 21 is synchronized therewith. The optical system comprising the polarizer 23, analyser 25 and semi-transparent mirror 26 may be replaced by an arrangement of Nichols prisms and a totally reflecting prism. The light source may comprise a laser or an ultra-violet source may be utilized in which case a fluorescent screen is employed at 28. By suitable adjustment of the analyser a photographic negative of the optical image may be produced.
Patent GB-749486-A (GB)
Title: Improvements in and relating to methods of and means for electro-erosion
Inventor: BLAKE LESLIE REGINALD
IPC: B23H1/02
Filed: 1953-12-21
Abstract: 749,486. Cutting by spark discharge. BRITISH THOMSON-HOUSTON CO., Ltd. Nov. 15, 1954 [Dec. 21, 1953], No. 35523/53. Class 83 (4). An apparatus for machining by repeated electric discharges between tool and workpiece electrodes comprises a capacitor 3 connected between the tool 1 and workpiece 2 and charged. through an inductance device 10 from a source of electric power, a vibrator 11 synchronized with the charging circuit for the tool 1, means for feeding to the discharge gap a scavenging fluid for removing the eroded particles, and automatic progressing feed means for the tool 1 controlled independently of the voltage across the discharge gap. The frequency of the vibrator 11 is preferably twice that of the charging circuit and the progressing feed of the electrode, which is arranged to produce momentary contact and rebound between the tool and workpiece after each spark discharge, is obtained by gravity using a small portion of the weight of the tool head and vibrator, the remaining portion being counter-balanced by a weight 12. Alternatively, the biasing force for the feed may be supplied by a spring or a stalling electric motor. A manual control may be provided to over-ride the automatic feed means. The scavenging fluid is preferably a dielectric, such as a hydrocarbon, which may be fed to the discharge gap through a hollow in the tool. The vibrator is preferably a combined inductance electromagnet unit, Fig. 4, comprising a core 13 carrying an energized winding 10<SP>1</SP> connected in the charging circuit and an armature 15 biased away from the magnet by a leaf-spring 14 and carrying the tool 1. The charging circuit may include a current responsive circuit breaker 16 to actuate if the momentary contact that occurs between the tool and workpiece, during vibration, is continued and produces undesirable shortcircuiting. Immediately after interruption the breaker recloses and the momentary heavy current in coil 10<SP>1</SP> pulls the tool from the workpiece. The embodiments shown in Figs. 3 and 4 are operated by direct current which may be supplied from an alternating current source via a rectifier. Other embodiments are described, Figs. 6 and 7 (not shown), using alternating current in which the vibrator 11 oscillates at the same frequency as the charging circuit and comprises either an electromagnet preferably polarized by a direct current winding or a rotating dynamo-electric machine. A delay line may be inserted between the capacitor and the discharge gap and when the capacitor is charged by direct current a transformer may be arranged between it and the discharge gap, a mechanically or electronically operated switch being provided to disconnect the transformer during the charging periods.
Patent GB-733054-A (GB)
Title: Improvements in or relating to hay or like balers
IPC: A01F15/08
Filed: 1953-12-22
Abstract: 733,054. Baling-presses. INTERNATIONAL HARVESTER CO. Dec. 22, 1953 [Jan. 5, 1953], No. 35594/53. Class 94 (1). In a hay or like baler in which movement of a spring-loaded, pivoted arm carrying a rotary bale-penetrating wheel is utilized to control mechanism for varying the size of the exit from the baling chamber to maintain the density of the bales substantially constant, the mechanism is actuated by means driven by the wheel and the degree of actuation is controlled by the movement of the arm. As shown, the size of the exit is determined by the position of channel members 25, 25a mounted at their forward ends on spring pivots 54, 54a. The member 25a is secured to a cross-member 34 which is connected directly or by springs 40, 41 to a similar cross-member 37 carrying a bracket 48. A hydraulic cylinder 33 is located in a hole 50 in the member 37 with its lower end engaging the member 25 and the rod 51 of its piston 53 engaging the bracket, so that the pressure within the cylinder determines the size of the exit. A spiked, bale-penetrating wheel 59 is carried by an arm 63 pivoted at 66 and loaded by a spring 70, and is arranged to rotate a cam 99 which oscillates a spring-loaded lever 95 operating a pump 92. The latter draws liquid from a reservoir 85 and supplies it through a pipe 114 to the cylinder 33, the supply pressure being determined by a spring-loaded ball valve which controls a by-pass 115 leading back to the reservoir. The spring-loading of the valve is controlled by a plunger 134 which is engaged by an adjustable screw 132 carried by the arm 63. The lever 95 is formed with a handle 116 so that it may be operated manually. U.S.A. Specification 2,478,012 is referred to.
Patent GB-859117-A (GB)
Title: Improvements relating to printers
Inventor: POLLARD BRIAN WATSON
IPC: B41J2/235
Filed: 1958-11-06
Abstract: 859,117. Facsimile ' printing-telegraphy. FERRANTI Ltd. Nov. 3, 1959 [Nov. 6, 1958], No. 35613/58 Class 40(3). [Also in Group XVI] In a printer including a number (p) of electrically-operated printing devices, each of which is associated with scanning means for scanning a character space on a printing surface, and each of which is operated by a train of electrical pulses to build up a required character by recording spots on the printing surface at appropriate or predetermined positions of a total number (n) of spot positions, a character store comprises a matrix formed by p columns, P1-P128, and n rows N1-N106 of elements 1, each having two stable states, each of the characters derived from an input device 5, such as a computer, controls an encoding device 2 to apply pulses selectively to the row conductors N1- N106, and a sequence device 4 applies pulses to the columns P1-P128 so that the selective pulses corresponding to printing at the appropriate dot positions of the 106 dot positions are stored by the saturated or "1" condition of the storage elements (magnetic cores) 1 in the 128 columns. To effect the printing operation, timed scanning pulses from a pulse-producing unit 6 are applied via a sequence unit 3 to the rows N1-N106 in succession so that store elements in the "1" position pass pulses via associated amplifiers Al- A128 to the corresponding stylus devices Cl- C128 which are given an oscillatory motion in the direction of the character width, and print dots d during the forward and return paths a, a<SP>1</SP>, b, b<SP>1</SP> - in accordance with the energized elements 1 of the associated column P1 -P128. The member carrying the styli may be given eleven complete oscillations for the total period allotted to a line of characters, and the printing surface is fed continuously to provide the second scanning movement. Fifteen of the twenty-two transverse movements may be allotted to the selective printing of dots from the 106 positions for the various characters, and for the period corresponding to the remaining seven transverse movements, pulses are not applied from the store to the styli C1-C128 to provide the spacing between the lines. The pulse-producing unit 6 may comprise a rotating disc 7 associated with a lamp 10 and photo-cell 11, and formed with 106 opaque and transparent portions to produce the pulses for the scanning of the successive rows N1- N106 and an opaque portion corresponding to seven transverse movements of the member carrying the styli to provide the spacing between the lines. Alternatively, the pulse generator 6 may be formed by a disc provided with peripheral metallic studs and rotated past an inductive circuit coupled to the scanning device 3.