CLOSURE FOR AN EQUIPMENT SUB

A closure apparatus (10) for a vessel or structure involving a pressure differential, said closure apparatus comprising: a sub body (16) having an annular opening with a sealing surface defined about a central axis (34); a closure door (18) carried by the sub body and movable thereto between an open...

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Bibliographic Details
Main Authors PE, FIRDOSH MEHTA, MCQUAID, JAMES G, RAY, DONALD W
Format Patent
LanguageEnglish
Published 30.07.2015
Subjects
ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR
BLASTING
CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS
CONVEYING
FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES
FIXED-CAPACITY GAS-HOLDERS
HANDLING THIN OR FILAMENTARY MATERIAL
HEATING
LIGHTING
MECHANICAL ENGINEERING
PACKAGES
PACKAGING ELEMENTS
PACKING
PERFORMING OPERATIONS
STORING
STORING OF DISTRIBUTING GASES OR LIQUIDS
TRANSPORTING
VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES
WEAPONS
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Summary:A closure apparatus (10) for a vessel or structure involving a pressure differential, said closure apparatus comprising: a sub body (16) having an annular opening with a sealing surface defined about a central axis (34); a closure door (18) carried by the sub body and movable thereto between an open position and a closed position; a first hinge (60, 62) mounted to the closure door; a second hinge (64, 66) mounted to the sub body (16); a swing arm (72) connecting the first and second hinges; a first adjustment mechanism (see FIG. 7) on the first hinge, the first hinge being radially spaced from the central axis (34), wherein the adjustment mechanism is adjustable to adjust planarity between the closure door (18) and the sub body (16), further comprising a second adjustment mechanism on the second hinge, wherein the second adjustment mechanism is adjustable to adjust concentricity between the closure door (18) and the sub body (16), wherein the first hinge (60, 62) defines a first hinge axis (61) that extends generally through the central axis; and wherein the second hinge (64, 66) defines a second hinge axis (63) extending generally parallel to the first hinge axis (61) and not intersecting the central axis. 38 936 FIG. 5 54 48 96 114 61 - 130 90 >90 78x
Bibliography:Application Number: AU20150203511