Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Composite article making
Reexamination Certificate
2005-08-23
2005-08-23
Kuhns, Allan R. (Department: 1732)
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Composite article making
C264S046600, C264S046800, C264S255000, C264S320000
Reexamination Certificate
active
06932927
ABSTRACT:
The present invention relates to a method for producing a plastic composite element (1), in particular as an interior lining element for a motor vehicle, with an outer covering (2) being lined with a foamable plastic, characterized in that the outer covering (2) is lined at least partially with a flexible foam (3), that the flexible foam (3) is subsequently lined with a rigid foam (5) with a separating means being placed thereinbetween, and that a shaped part (4) which can be prefabricated is used as the separating means which by virtue of the mechanical properties of its material and/or its shape prevents the rigid foam (5) from penetrating the flexible foam (3) and/or prevents a deformation of the outer covering (2), and such a plastic composite element (2).
REFERENCES:
patent: 3989781 (1976-11-01), Chant
patent: 4287143 (1981-09-01), Sears et al.
patent: 4544126 (1985-10-01), Melchert
patent: 4975229 (1990-12-01), Kita et al.
patent: 3924254 (1990-02-01), None
patent: 2 221 183 (1990-01-01), None
patent: 2 306 910 (1997-05-01), None
Abstract of JP 03133624.
Brooks & Kushman P.C.
Kuhns Allan R.
Lear Corporation
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