The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 10, 2002

Filed:

Jul. 27, 1999
Applicant:
Inventors:

Kiyoshi Matsuki, Nishinomiya, JP;

Yoriki Kakimoto, Settsu, JP;

Assignee:

Kaneka Corporation, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 4/406 ; B32B 3/04 ;
U.S. Cl.
CPC ...
B29C 4/406 ; B32B 3/04 ;
Abstract

In a simultaneous molding to one piece, at a time of heat molding of a surface skin material , after an edge part of the surface skin material is folded back to an inside direction of the mold pattern and is formed up a folded back part along a mold pattern for folding back which is placed as in a manner of projecting from an opening edge of a cavity face toward the inside direction of the mold pattern, the mold pattern for folding back is removed, and then at a time of the expansion molding, one face of the folded back part is melt united to one piece with a back face of the cellular molded article in a mold pattern , and at the same time, a folded returning part , which is in a state that an outer edge part of the surface skin material is folded returning toward an outside direction of the mold pattern from a tip of this folded back part , is pressed so as to pile on the other face of the above-mentioned folded back part


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