Die for extruding a honeycomb structural body and a method of ex

Details Die for extruding a honeycomb structural body and a method of ex Die for extruding a honeycomb structural body and a method of ex

1978-04-28

1981-11-03

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

2642091, 425199, 425382R, 425464, B29F 300

Patent

active

042985641

ABSTRACT:
A die for extruding a honeycomb structural body, all parts of which are uniform in mechanical strength, is disclosed. The die is provided with guide grooves between discharge slits and feed inlets for raw stock, said discharge slits having a cross-sectional shape corresponding to that of the honeycomb structural body and said guide grooves having a cross-sectional area larger than that of the discharge slits.

REFERENCES:
patent: 3380128 (1968-04-01), Cremer et al.
patent: 3790654 (1974-02-01), Bagley
patent: 3824196 (1974-07-01), Benbow et al.
patent: 3826603 (1974-07-01), Wiley
patent: 3846197 (1974-11-01), Wiley
patent: 3981657 (1976-09-01), Orso et al.
patent: 3983283 (1976-09-01), Bagley
patent: 4041597 (1977-08-01), Folmar et al.
patent: 4118456 (1978-10-01), Blanding et al.
patent: 4163640 (1979-08-01), Higuchi
patent: 4168944 (1979-09-01), Mirikawa et al.
patent: 4178145 (1979-12-01), Hamamoto et al.

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