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. 16, 2018
Filed:
Jan. 09, 2017
Applicant:
North American Specialty Products Llc, Houston, TX (US);
Inventor:
Roy Dean, Schwenksville, PA (US);
Assignee:
North American Pipe Corporation, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23C 3/34 (2006.01); F16L 21/00 (2006.01);
U.S. Cl.
CPC ...
B23C 3/34 (2013.01); B23C 2220/36 (2013.01); B23C 2270/18 (2013.01); F16L 21/00 (2013.01);
Abstract
A pipe has an axis, a cylindrical portion, a cylindrical belled end and a conical transition portion between the cylindrical portion and the cylindrical belled end. A machine includes a body having an axis, a head configured to be complimentary in shape to the conical transition portion, a cutting portion configured to be complementary in shape to the cylindrical belled end, and the cutting portion is configured to rotate relative to the body and the pipe during formation of the groove to cut the groove inside the pipe.