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:
Aug. 31, 2021
Filed:
Jul. 31, 2019
Applicant:
Mcwane, Inc., Birmingham, AL (US);
Inventors:
Daniel A. Copeland, Bessemer, AL (US);
Charles Stirling Snow, Indian Springs, AL (US);
Assignee:
MCWANE, INC., Birmingham, AL (US);
Primary Examiner:
Int. Cl.
CPC ...
F16L 9/133 (2006.01);
U.S. Cl.
CPC ...
F16L 9/133 (2013.01);
Abstract
The present disclosure generally pertains to methods and systems for reinforcing a plastic pipe bell. The disclosure may include arranging a sleeve fabricated from a heat shrinkable plastic around the plastic pipe bell, and shrinking the sleeve around the plastic pipe bell thereby forming a first interference fit between the sleeve and the plastic pipe bell. The disclosure may further include inserting a spigot into the plastic pipe bell and shrinking the sleeve around the spigot thereby and forming a second interference fit directly between the sleeve and the spigot.