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:
Jan. 20, 2004
Filed:
Jul. 30, 2001
Applicant:
Inventors:
Robert V. Carter, Jr., Erie, PA (US);
Ronald P. Krahe, Girard, PA (US);
Assignee:
Zurn Industries, Inc., Erie, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
H05B 3/48 ; H05B 3/58 ; F16L 1/302 ; F16L 4/703 ;
U.S. Cl.
CPC ...
H05B 3/48 ; H05B 3/58 ; F16L 1/302 ; F16L 4/703 ;
Abstract
A piping system that includes a plurality of pipe made of thermoplastic material, a coupling and an arrangement for securing the pipe to the coupling. The coupling is configured so that either a fusable seal or mechanical seal can be used with the coupling to connect the pipe to the coupling with an electrofusion joining control device. Preferably, the pipe and coupling are made of thermoplastic material.