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:
Oct. 27, 2009
Filed:
Jun. 19, 2008
Karl Robert Schulz, Reno, NV (US);
Marshall W. Henningsen, Carson City, NV (US);
Karl Robert Schulz, Reno, NV (US);
Marshall W. Henningsen, Carson City, NV (US);
LSP Products Group, Inc., Carson City, NV (US);
Abstract
A manually installable polymeric plug useful for hydrostatic pressure testing of polymeric pipe or tubing having a flexible wall, the plug having a substantially rigid polymeric handle with a threaded cylindrical section that is engageable with the polymeric pipe or tubing, and an elastomeric sealing member that extends forwardly of the first element and is insertable into the open end of the polymeric pipe or tubing and blocks fluid flow through the interior of the threaded cylindrical section, the elastomeric sealing member having a plurality of axially spaced sealing surfaces that provide a fluid seal between the sealing member and the inside wall of the polymeric pipe or tubing.