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:
Apr. 14, 2009
Filed:
Dec. 16, 2005
Charles Mitchel Sorensen, Jr., Corning, NY (US);
Charles Mitchel Sorensen, Jr., Corning, NY (US);
Corning Incorporated, Corning, NY (US);
Abstract
A method of blocking partial cells at the periphery of diesel filters is disclosed. The method comprises plugging the partial cells with a suitable plugging material. In one embodiment, a line of plugging material is applied to either or both of the end faces of the diesel filter along an outermost row of partial cells to block same. In another embodiment, the outermost wall the diesel filter is first beveled to form a beveled edge and uniquely off-set the partial cells. Then the beveled edge has applied thereto a plugging material, such as a line or bead. A honeycomb structure having reduced number of unplugged partial cells at the periphery is also disclosed.