Closure for an equipment sub

Details Closure for an equipment sub Closure for an equipment sub

F - Mech Eng,Light,Heat,Weapons

17

C

F17C 13/06 (2006.01) B65D 45/34 (2006.01)

Patent

CA 2721588

A closure is shown for an equipment sub. A closure door is carried by a sub body and movable thereto between open and closed positions for providing access to a pressure vessel. Various improvements are disclosed including a new mechanism for positioning wedge shaped arcuate segments between the door and the sub body, a retainer mechanism for guiding movement of cross bars, a split hinge adjustment mechanism for adjusting planarity and concentricity between the closure door and the sub body, an increased annular wall body thickness region surrounding the sealing surface for reducing warpage during welding, a pressure lock rod member which also engages a combination of cross bars and a crank for driving the cross bars, and a pry bar that can facilitate better manually operated leveraging of the closure door.

Linvention concerne une fermeture pour raccord double femelle déquipement. Une porte est soutenue par un corps de raccord et peut se déplacer entre des positions ouverte et fermée pour fournir un accès à un appareil sous pression. Linvention présente diverses améliorations, notamment : un nouveau mécanisme servant à positionner des segments arqués en forme de cale entre la porte et le corps de raccord ; un mécanisme de retenue destiné à guider le mouvement de traverses ; un mécanisme de réglage darticulation fendue destiné à régler la planarité et la concentricité entre la porte et le corps de raccord ; une zone dépaisseur de corps de paroi annulaire accrue entourant la surface détanchéité pour réduire le gauchissement pendant le soudage ; un élément tige de verrouillage à pression venant également en contact avec une combinaison de traverses et une manivelle pour entraîner les traverses ; et un levier pouvant faciliter le levage manuel de la porte.

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