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. 02, 2011
Filed:
Feb. 12, 2009
Applicants:
Douglas R. Dole, Whitehouse Station, NJ (US);
Vance W. Henry, Easton, PA (US);
Inventors:
Douglas R. Dole, Whitehouse Station, NJ (US);
Vance W. Henry, Easton, PA (US);
Assignee:
Victaulic Company, Easton, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Mechanical pipe couplings for joining pipe elements in end to end relation have arcuate keys which engage circumferential grooves in the pipe elements and radially projecting stiffening ribs aligned with the keys. At the end of the keys on opposite sides are camming surfaces which are formed by a thinning of the key. The camming surfaces may be concave, convex, or angularly oriented surfaces and serve to guide the keys into grooves when the keys are not directly aligned with the grooves.