04293357 is referenced by 105 patents and cites 4 patents.

A ceramic honeycomb filter having a large filter area and a low pressure loss is produced by adhering a film on an opening end surface of a porous ceramic honeycomb structural body having a large number of parallel channels extending therethrough, boring holes at a given portion of the film or adhering a film bored at a given portion to an opening end surface of a porous ceramic honeycomb structural body, charging a sealing material into the channels through the bores in the film to seal an end portion of the given channels, and then sealing another end surface of the remaining channels with the sealing material in the same manner as described above.

Title
Method for producing ceramic honeycomb filters
Application Number
6/167731
Publication Number
4293357
Application Date
July 14, 1980
Publication Date
October 6, 1981
Inventor
Masahiro Ohnishi
Kuwana
JP
Teruo Yano
Nagoya
JP
Noboru Higuchi
Nagoya
JP
Agent
Stevens Davis Miller & Mosher
Assignee
NGK Insulators
JP
IPC
C03B 29/00
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