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.

Date of Patent:
Oct. 06, 2020

Filed:

Feb. 28, 2018
Applicant:

North American Pipe Corporation, Houston, TX (US);

Inventors:

Dmitry Yashin, Haverford, PA (US);

Joshua E. Clapper, Downingtown, PA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 21/02 (2006.01); F16L 41/02 (2006.01);
U.S. Cl.
CPC ...
F16L 21/022 (2013.01); F16L 41/021 (2013.01); F16L 2201/10 (2013.01);
Abstract

A pipe system can include a coupling having an axis, axial ends and a bore. Each axial end can include a coupling spline groove formed in the bore, and a seal groove axially inboard of the coupling spline groove. The seal groove can be configured to house a seal. At least two pipes can be configured to be inserted into different axial ends of the coupling and be secured therein with retainers. Each pipe can include a pipe spline groove, a band groove axially adjacent to and radially shallower than the pipe spline groove, and a band mounted in the band groove.


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