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:
Oct. 02, 2001
Filed:
Oct. 06, 1999
Applicant:
Inventors:
J. Paul Day, Big Flats, NY (US);
David L. Hickman, Big Flats, NY (US);
Lawrence S. Rajnik, Corning, NY (US);
Assignee:
Corning Incorporated, Corning, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 3/920 ; B28B 3/00 ;
U.S. Cl.
CPC ...
B01D 3/920 ; B28B 3/00 ;
Abstract
A preform for a z-flow honeycomb filter is formed by a pressing process wherein a batch charge is shaped in a press into a preform of finished plug-and-channel configuration, the shaped preform comprising opposing overlapping arrays of closed-end inlet and outlet channels wherein the end closures consist of bridging segments of batch material connected in continuous (seamless) or uninterrupted fashion with the adjoining channel walls.