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. 24, 2014
Filed:
Sep. 21, 2010
John Michael Wallen, Lindsborg, KS (US);
James W. Nixon, McPherson, KS (US);
Bradley M. Eisenbarth, McPherson, KS (US);
John Michael Wallen, Lindsborg, KS (US);
James W. Nixon, McPherson, KS (US);
Bradley M. Eisenbarth, McPherson, KS (US);
American Maplan Corporation, McPherson, KS (US);
Abstract
The extrusion head including a conduit with a central mandrel extending within the conduit for supporting an inner die portion of a set of dies that has inner and outer die portions. An upstream spider and a downstream spider are included, and each have webs supporting the central mandrel at axially spaced apart positions. The webs of the upstream and downstream spiders can have web portions that are axially offset from each other to promote mixing of polymer flowing through the conduit.