The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 30, 2013
Filed:
Dec. 10, 2008
Michael J. Guidry, Jr., Hockley, TX (US);
Michael J. Guidry, Jr., Hockley, TX (US);
Robbins & Myers Energy Systems L.P., Willis, TX (US);
Abstract
A closureis provided for retaining fluid pressure within a vessel, and comprises a hubhaving an access opening to the vessel, with the hub having a circumferential stopand one or more recesseseach extending radially outward from an adjacent inner surfaceof the hub. A dooris positioned between the stop surface and the vessel, and a latch memberbrings the door into sealing engagement with the stop member. One or more lugseach extend radially outward from an exterior surface of the door, which may be tilted from a closed position to an open position then back to the closed position by a pair of cables extending from the door to outside the hub.