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:
Jan. 06, 1981
Filed:
Dec. 04, 1978
Applicant:
Inventors:
Noboru Higuchi, Nagoya, JP;
Shoji Futamura, Kawasaki, JP;
Assignees:
NGK Insulators, Ltd., both of, JP;
Institute of Technology Precision Electrical Discharge Works, both of, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29F / ;
U.S. Cl.
CPC ...
425462 ; 425467 ; 425D / ;
Abstract
A die for extruding a honeycomb structural body which comprises a throttle portion having a plurality of openings where the forcedly supplied raw stock flow is throttled at the rear surface side of the die, a reservoir portion provided with a plurality of guide channels, an opening portion having a plurality of openings and guide slots, and discharge slits.