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:
Jun. 09, 2015
Filed:
Dec. 27, 2013
Applicant:
Gyre Innovations Lp, York, PA (US);
Inventors:
Stephen Mettee, II, Red Lion, PA (US);
Clay Tully, Hummelstown, PA (US);
Stephen W. Tansey, York, PA (US);
Assignee:
GYRE Innovations LP, York, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 9/18 (2006.01); B29C 47/00 (2006.01); B29C 47/06 (2006.01); B65H 27/00 (2006.01); B65G 39/02 (2006.01); B65G 39/12 (2006.01); B65G 13/071 (2006.01); B65G 13/075 (2006.01); B29C 47/26 (2006.01);
U.S. Cl.
CPC ...
F16L 9/18 (2013.01); B29C 47/0028 (2013.01); B29C 47/0057 (2013.01); B29C 47/064 (2013.01); B29C 47/065 (2013.01); B29C 47/26 (2013.01); B65H 27/00 (2013.01); B65G 39/02 (2013.01); B65G 39/12 (2013.01); B65G 13/071 (2013.01); B65G 13/075 (2013.01);
Abstract
An extruded multiwall tubular structure formed from extrusion dies, the structure includes a core having a longitudinal axis and a first wall surrounding the core. At least one form extends helically relative to the longitudinal axis and between the core and the outer wall in supporting relationship therewith. At least the first wall and the at least one form lack residual strains, as a result of stress created by the manufacturing process, subsequent the structure exiting the extrusion dies. The core is concentric with the first wall.