Ngk Insulators, Inc.

Kozo Higashizima

Satoru Inoue

A honeycomb structural body-extruding die apparatus is disclosed herein, which includes an extruding die and a die mask provided around an outer peripheral portion of the extruding die on an extruding material outlet side. The extruding die also includes a plurality of extruding material-feeding holes formed on the extruding material inlet side and a plurality of shaping channels formed communicating with each other in a lattice fashion on the extruding material outlet side. The honeycomb structural body-extruding die apparatus is further provided with an annular perforated plate arranged concentrically with the extruding die on the extruding material inlet side. The perforated plate has through holes of which respective central axes are in conformity with those of the extruding material feeding holes.

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Nagoya, Japan

Kozo Higashizima