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:
Aug. 26, 2025
Filed:
May. 18, 2022
Corning Incorporated, Corning, NY (US);
Michael James Lehman, Canisteo, NY (US);
Min Shen, Horseheads, NY (US);
CORNING INCORPORATED, Corning, NY (US);
Abstract
A honeycomb extrusion die () with improved wear properties. Extrusion die has a die body () with inlet () and exit () faces, feedholes () with feedhole entrances (A) and outlets (B), and a plurality of die pins () having side surfaces () configured to define a matrix of intersecting slots (). At least some of the intersecting slots and die pins define a slot structure with divots () formed in the side surfaces of the die pins between the feedholes and the exit face, entrance slot portions between the feedhole outlets and the divots, the entrance slot portions having an entrance slot width W, and exit slot portions between the divots and the exit face, the exit slot portions having an exit slot width W, wherein W>Wover an entire slot length. Methods of manufacturing honeycomb structures using the honeycomb extrusion dies and of fabricating the extrusion dies are provided as are other aspects.