Honeycomb structural body-extruding die apparatus

Details Honeycomb structural body-extruding die apparatus Honeycomb structural body-extruding die apparatus

1987-12-07

1989-03-21

Chiesa, Richard L.

Plastic article or earthenware shaping or treating: apparatus

Means providing a shaping orifice

Single inlet, plural shaping orifices

26417712, 425198, B29C 4730

Patent

active

048141879

ABSTRACT:
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.

REFERENCES:
patent: 3457342 (1969-07-01), Parr et al.
patent: 3480997 (1969-12-01), List
patent: 3836302 (1974-09-01), Kaukeinen
patent: 3881984 (1975-05-01), Soda et al.
patent: 3888963 (1975-06-01), Orso et al.
patent: 4368025 (1983-01-01), Naito et al.
patent: 4468365 (1984-08-01), Corbett et al.
patent: 4668176 (1987-05-01), Zeibig et al.

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