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:
May. 30, 2017
Filed:
Dec. 14, 2010
Thomas G. Sixsmith, Lake Forest, CA (US);
Paul F. Mastro, Little Rock, AR (US);
Christopher J. Stvartak, Charleston, IL (US);
Thomas G. Sixsmith, Lake Forest, CA (US);
Paul F. Mastro, Little Rock, AR (US);
Christopher J. Stvartak, Charleston, IL (US);
Georg Fischer LLC, Tustin, CA (US);
Abstract
A containment pipe fitting has an inner member (), an outer member (), and a plurality of centralizers () positioning the inner member within the outer member. The fitting has at least one connection interface () having an internal surface portion () of the inner member sized to receive and join a portion of an associated inner/main pipe () and an internal surface portion () of the outer member sized to receive and join the portion of an associated outer/containment pipe (). The connection interface further includes an external surface portion of the outer member dimensioned to receive a closure coupling or collar (').