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. 19, 2006
Filed:
Mar. 22, 2004
Applicants:
Robert F. Miller, Lafayette, CA (US);
Daniel D. Freitas, Manteca, CA (US);
Inventors:
Robert F. Miller, Lafayette, CA (US);
Daniel D. Freitas, Manteca, CA (US);
Assignee:
Pacific Roller Die Company, Inc., Hayward, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 25/00 (2006.01); F16L 47/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A plastic coupling for joining two metal pipe sections end-to-end to form a pipe assembly. A first plastic spigot cuff is formed along the periphery of the end of the first pipe and a mating second plastic bell cuff is formed along the periphery of the end of the second pipe, such that the first and second cuffs form a bell and spigot joint with the first, spigot cuff inserted into and joined to the second, bell cuff.