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:
Mar. 13, 2007
Filed:
Jul. 30, 2003
Joseph E Mattingly, Jr., Uniontown, OH (US);
Joseph E Mattingly, Jr., Uniontown, OH (US);
Americhem, Inc., Cuyahoga Falls, OH (US);
Abstract
A modified kneading element for a screw extruder, peripherally congruent, aligned, and contiguous with a cross-sectional profile of a modified conveying element, includes a central portion defining a root diameter having a shaft receiving bore defined therein; and at least one lobe extending radially from the central portion, each lobe having an outer periphery ridge and first and second lateral sidewalls, wherein one of the lateral sidewalls of each lobe is concave between the outer periphery ridge and the central portion. Kneading blocks including such kneading elements and screw extruders including such kneading blocks are also provided.