Patent · US Active

Extrusion components for honeycomb bodies

US10603814B2 · kind B2 · utility

1Cited by

19References

5Claims

0Family size

Assignee

CORNING INCORPORATED · US

Inventors

Slater Kent Atkins · Pembroke, US
Thomas William Brew · Corning, US
Darin Wayne Felty · Elliston, US
Tushar Gulati · Corning, US
Min Shen · Corning, US
Mark Allen Spetseris · Pine City, US
Eric L. Thompson · Livonia, US

Key dates

Filing date	Feb 13, 2017
Grant date	Mar 31, 2020
Priority date	—
Expiry date	Feb 13, 2037

Classification

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

Abstract

A honeycomb extrusion die assembly (10) comprising a honeycomb extrusion die (701) and a forming plate (800) to block batch flow to at least a portion of a skin forming region. The honeycomb extrusion die (701) comprising a step cut discharge surface (758, 760) in the skin forming region and at least some slots (722) each with a divot (312) spaced toward a discharge surface (710) from a feedhole-slot intersection and a wide portion at the discharge surface (710) extending into the die body 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.