Coextrusion block, especially for the coextrusion of generally flat PVC articles, such as siding
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United States of America Patent
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Aug 15, 1989
Grant Date -
N/A
app pub date -
Aug 26, 1988
filing date -
Aug 26, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A coextrusion block for siding communicates through respective separate circular inlets with two extruders at the inlet side of the coextrusion block while, at the outlet side, a curved kidney-shaped outlet is disposed about an inlet of acorn shape so that the outlets have boundaries lying along the common circle which corresponds to the circular inlet of the broad-mouth die.
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