Extrusion die assembly for forming honeycomb structures

Details Extrusion die assembly for forming honeycomb structures Extrusion die assembly for forming honeycomb structures

1979-06-12

1981-07-14

Thurlow, Jeffery R.

Plastic article or earthenware shaping or treating: apparatus

With upstream screen or perforated plate for straining,...

Upstream of multi-orifice shaping die

2642091, 425199, 425376A, 425380, 425462, 425464, B29F 304

Patent

active

042784123

ABSTRACT:
Extrusion die assembly for forming honeycomb structures, which comprises a die having a discharge surface provided with grid-shaped slits for discharging a honeycomb shaped body and an inlet surface provided with a plurality of independent feed inlets, a mask having an orifice for determining the outer shape and dimension of the extruded honeycomb structure and a ring having an orifice for restraining supply of the batch material into the feed inlets at the periphery of the inlet surface.

REFERENCES:
patent: 3836302 (1974-09-01), Kaukeinen
patent: 3947214 (1976-03-01), Cunningham
patent: 3981657 (1976-09-01), Orso et al.
patent: 4008033 (1977-02-01), Folmar et al.

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