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:
Dec. 22, 2020
Filed:
Feb. 28, 2018
Mueller International, Llc, Atlanta, GA (US);
Timothy J. Mitchell, Hixson, TN (US);
Steve Kent Fearnow, Soddy-Daisy, TN (US);
Jason White Bradley, Soddy-Daisy, TN (US);
Mueller International, LLC, Atlanta, GA (US);
Abstract
A seal for a pipe coupling includes an outer gasket defining a radially inner surface defining a plurality of grooves; and an inner gasket separably joined to the outer gasket, a radially outer surface of the inner gasket defining a plurality of ridges, each of the plurality of ridges extending radially outward, the plurality of ridges including: a first ridge, each of first and second side surfaces of the first ridge angled in cross-section with respect to a radial direction of the inner gasket towards a first axial end of the inner gasket; and a second ridge, each of a first and second side surfaces of the second ridge angled in cross-section with respect to a radial direction of the inner gasket towards a second axial end of the inner gasket; wherein the radially outer surface of the inner gasket contacts the radially inner surface of the outer gasket.