Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Shaping by extrusion
Patent
1998-04-10
1999-10-12
Loney, Donald
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Shaping by extrusion
2641721, 2641771, 15624411, B28B 320
Patent
active
059650753
ABSTRACT:
A method is provided for triple extrusion of a foam material, a coating and one or more flexible flanges attached to the coating or foam material. All three materials are coextruded through a common die and are useful for forming window sashes.
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Chin Douglas H.
King Noel E.
Pauley Robert
Abrams Hugh A.
Loney Donald
Marley Mouldings Inc.
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