Extrusion die and method

Details Extrusion die and method Extrusion die and method

1993-05-28

1994-04-26

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

26421111, 419 67, 425461, 425462, B29C 4712

Patent

active

053064577

ABSTRACT:
A method and die apparatus for manufacturing a honeycomb body of rhombic cell cross-section by extrusion through an extrusion die of triangular cell discharge slot configuration, the die incorporating feedholes at selected slot intersections only, such that slot segments communicating directly with the feedholes discharge web material and slot segments not so connected do not discharge web material, whereby a rhombic cell cross-section in the extruded body is provided.

REFERENCES:
patent: 1874503 (1932-08-01), Greenwood
patent: 3983283 (1976-09-01), Bagley
patent: 4127691 (1978-11-01), Frost
patent: 4741792 (1988-05-01), Matsuhisa et al.
patent: 4767309 (1988-08-01), Mizuno et al.
patent: 4902216 (1990-02-01), Cunningham et al.
patent: 4955524 (1990-09-01), Way

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