Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting – Positioning of a mold part to form a cavity or controlling...
Patent
1980-05-12
1982-06-08
Anderson, Philip
Plastic and nonmetallic article shaping or treating: processes
With measuring, testing, or inspecting
Positioning of a mold part to form a cavity or controlling...
264 407, 264177R, 425135, 425145, 425465, 425466, B28B 2154, B28C 716, B29F 304
Patent
active
043338968
ABSTRACT:
Disclosed is a novel extrusion die mask for use in the extrusion of honeycomb structures. The mask includes a stationary portion with an orifice extending longitudinally therethrough. A movable recess means is provided which forms a recess communicating between the outlet face of an extrusion die and the central orifice which receives and compacts extruded batch material from the die to form the skin of the extruded honeycomb structure. An adjustment means is provided for controlling the depth of the recess whereby the amount of material directed to the skin of the structure may be varied as batch viscosity varies and as product requirements indicate.
REFERENCES:
patent: 3790654 (1974-02-01), Bagley
patent: 3836302 (1974-09-01), Kaukeinen
patent: 3893792 (1975-07-01), Laczko
patent: 3947033 (1976-03-01), Cunningham
patent: 4008033 (1977-02-01), Folmar et al.
patent: 4075270 (1978-02-01), Cunningham
patent: 4178145 (1979-12-01), Hamamoto et al.
Anderson Philip
Corning Glass Works
Wardell Richard N.
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