Patent · US Active

Extrusion components for honeycomb bodies

US11045975B2 · kind B2 · utility

1Cited by

20References

22Claims

0Family size

Assignee

CORNING INCORPORATED · US

Inventors

John Wilbur Allard · Kaiserslautern, DE
Thomas William Brew · Corning, US
Tushar Gulati · Corning, US
Helmut Letzel · Herschweiler-Pettersheim, DE
Min Shen · Corning, US

Key dates

Filing date	Feb 13, 2017
Grant date	Jun 29, 2021
Priority date	—
Expiry date	Jun 19, 2037

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB28B2003/203
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A honeycomb extrusion die comprising at least some slots (308) each with a divot (312) spaced toward a discharge surface (324) from a feedhole-slot intersection (332) and a wide portion at the discharge surface extending into the die body (358) to the divot (312) to strengthen a peripheral region of a honeycomb extrudate in a reinforcement region, and a bulk nominal section corresponding to a bulk region of the honeycomb body.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.