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:
Nov. 25, 2008
Filed:
Mar. 06, 2003
Ming M. LI, Murrysville, PA (US);
Hongbing LU, Edmond, OK (US);
James M. Rushing, Maryville, TN (US);
Dennis P. Henninger, Newburgh, IN (US);
Xingyun Shen, Bettendorf, IA (US);
Ming M. Li, Murrysville, PA (US);
Hongbing Lu, Edmond, OK (US);
James M. Rushing, Maryville, TN (US);
Dennis P. Henninger, Newburgh, IN (US);
Xingyun Shen, Bettendorf, IA (US);
Alcoa Inc., Pittsburgh, PA (US);
Abstract
The apparatus for trimming sheet material includes a top knife and an opposing bottom knife for trimming sheet or web material passing between the top and bottom knives. The top knife defines a negative rake angle with a substantially vertical plane passing through a cutting edge of the bottom knife. The negative rake angle may be between about −10° and −30° and, more preferably, between about −12° and −20°. The top and bottom knives may be disk or block knives.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile