85791381
Nov 30, 2012
Jul 22, 2014
SUMNER MANUFACTURING COMPANY LLC
Active Trademark
Purge plug system comprised primarily of inflatable fire-resistant fabric bags in the nature of sealing plugs, a pressure relief valve, and a stainless steel spinal hose to control the supply of inert gas that flows inside a pipe that is being purge welded
Cordage and Fibers