Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Composite article making
Patent
1998-10-13
2000-04-25
Kuhns, Allan R.
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Composite article making
264 48, 2642711, 264321, B29C 4424
Patent
active
060540788
ABSTRACT:
By employing a unique manufacturing process, unique manufacturing equipment, or a unique combination of materials, a fully integrated, multilayer foamed thermoplastic or elastomeric member or profile having a core member peripherally surrounded by an outer protective layer is attained which is virtually incapable of being removed from said core member. By effectively melting the adjacent surfaces of the foamed layers being interengaged, a core member having any desired cross-sectional shape is produced and is peripherally surrounded with an outer layer integrally bonded thereto. In one aspect of the present invention, metallocene catalyzed plastic material is employed in forming the core member to impart desirable physical attributes thereto. In an alternate aspect of the present invention, a manufacturing method or processing equipment are employed for assuring the integral bonded engagement of the outer protective layer to the core member, on a mass produced basis, which assures secure, affixed, bonded interengagement of the protective layer to the core member.
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Allman Michael W.
Lauer Eduardo
Laughner Michael P.
Kuhns Allan R.
Nomaco Inc.
Stoltz Melvin I.
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