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:
Sep. 26, 2023
Filed:
Nov. 13, 2020
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 can include an outer gasket defining a radially inner surface defining a plurality of grooves; and an inner gasket separably joined to the outer gasket and defining a radially outer surface, the radially outer surface defining a plurality of ridges extending radially outward and 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 when in an uncompressed state; and a second ridge, each of first and second side surfaces of the second ridge angled in cross-section with respect to the radial direction towards a second axial end of the inner gasket when in the uncompressed state; wherein the radially outer surfaces of the inner and outer gaskets contact each other.