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:
Feb. 10, 2015
Filed:
Oct. 03, 2011
Alex V. Degutis, La Grange Park, IL (US);
William R. Borowski, Palos Park, IL (US);
David A. Oestermeyer, Downers Grove, IL (US);
Steven J. Vannocken, Romeoville, IL (US);
Joshua J. Chesser, Lockport, IL (US);
Brian D. Putnam, Woodridge, IL (US);
Alex V. Degutis, La Grange Park, IL (US);
William R. Borowski, Palos Park, IL (US);
David A. Oestermeyer, Downers Grove, IL (US);
Steven J. Vannocken, Romeoville, IL (US);
Joshua J. Chesser, Lockport, IL (US);
Brian D. Putnam, Woodridge, IL (US);
Other;
Abstract
A flange plate closure for accessing a containment vessel has a metal base plate, having an interior and an exterior surface, at least one vertical metal tube having an open end, a metal flange ring at said open end defining an upper planar surface, and a lining made of non-corrosive material. The lining is disposed in overlying relation to the interior surface of the base plate, the interior of the tube and the upper planar surface of the flange ring. The lining is rigid, and is mechanically affixed to the metal components. The lining is made of Ultra High Molecular Weight Polyethylene.