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:
Feb. 14, 2012
Filed:
Oct. 14, 2008
Applicants:
Gerald S. Sutton, Hamilton, OH (US);
David J. Kelley, Hamilton, OH (US);
Inventors:
Gerald S. Sutton, Hamilton, OH (US);
David J. Kelley, Hamilton, OH (US);
Assignee:
Advanced Drainage Systems, Inc., Hilliard, OH (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B28B 3/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of pressing an outer wall of polymer pipe is provided. The method includes extruding a layer of polymer onto a pipe to form an outer wall of pipe; conveying the pipe including the outer wall of pipe through a pressing apparatus having a pressing element configured to rotate about the pipe; and urging the pressing element against an exterior surface of the outer wall as the pressing element rotates about a pipe conveyed through the pressing apparatus. An apparatus for pressing an outer wall of polymer pipe is also provided.