Title:
MOUTHPIECE FOR EXTRUSION MOLDING OF HONEYCOMB
Document Type and Number:
Japanese Patent JP2003136516
Kind Code:
A
Abstract:
To provide a mouthpiece for extrusion molding of a honeycomb which eliminates dimensional fault of the mouthpiece, stably holds an extrusion frictional force, not only has excellent extrusion moldability and wear resistance but also easily regulates the mouthpiece at the time of extrusion molding.
The mouthpiece for extrusion molding of the honeycomb comprises a structure having a groove-like slit 2 provided on the front surface of a cell block 3 and a body introducing hole communicating with the slit 2 on the rear surface. Each cell block 3 forms a soft film 16 on the hard film 14 formed on the slit 2 provided on a cell block body and the uppermost surface of the introducing hole.
Inventors:
YAMADA KENJI
MATSUKUBO TAKASHI
MATSUMOTO KEIJI
MATSUKUBO TAKASHI
MATSUMOTO KEIJI
Application Number:
JP2001338823A
Publication Date:
May 14, 2003
Filing Date:
November 05, 2001
Export Citation:
Assignee:
NGK INSULATORS LTD
International Classes:
B29C48/30; B28B3/20; B28B3/26; B28B7/34; B29C48/11; B29C48/32; (IPC1-7): B28B3/26
Attorney, Agent or Firm:
Ippei Watanabe