Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Layered – stratified traversely of length – or multiphase...
Patent
1980-11-17
1982-02-23
Thurlow, Jeffery R.
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Layered, stratified traversely of length, or multiphase...
264 13, 264345, 4251311, 4251335, 425462, B29F 310
Patent
active
043168680
ABSTRACT:
The invention relates to a process and apparatus for producing a colored band in an extruded thermoplastic sheet. In the process, a probe is inserted in a sheet extrusion die manifold and a colored melt is injected into the polymer melt such that a sheet with an encapsulated colored band is obtained.
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Esposito Robert A.
Hoagland John C.
Valego, Jr. Frederick F.
Bennett David
Farrington William J.
Matukaitis Paul D.
Monsanto Company
Thurlow Jeffery R.
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