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:
Apr. 11, 1989
Filed:
Aug. 11, 1987
Satoru Inoue, Hazu, JP;
Shoji Futamura, Kawasaki, JP;
NGK Insulators, Ltd., Nagoya, JP;
Institute of Technology Precision Electrical Discharge Works, Kawasaki, JP;
Abstract
A honeycomb structure forming die has a forming section provided with at least forming channels and a plurality of opening holes. The forming channels have a sectional shape conforming to that of honeycomb structural bodies to be extruded by the die, and have a given depth from a front face of the die toward a rear face thereof. The opening holes are independently formed from the die rear face toward the die front face and communicate with the forming channels. The honeycomb structure forming die is further provided with communicating holes which communicate with the opening holes of the forming section.