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.

Patent No.:

US 8349245 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 08, 2013

Filed:

Jul. 18, 2011
Applicants:

Ryuichi Ishida, Kanagawa, JP;

Ryosuke Oki, Kanagawa, JP;

Teruo Tamada, Kanagawa, JP;

Inventors:

Ryuichi Ishida, Kanagawa, JP;

Ryosuke Oki, Kanagawa, JP;

Teruo Tamada, Kanagawa, JP;

Assignee:

Kyoraku Co., Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 43/30 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of producing a vehicle interior panel having a hollow double-walled structure made of thermoplastic comprising, blow molding with a pair of mold halves including a first mold with a shape transfer surface having a three dimensional pattern, and a second mold, clamping a cover material being formed by at least a double-layer structure arranged between a cavity of said first mold and a parison of thermoplastic such that a resin sheet layer without a through hole and without a three dimensional pattern faces a cavity of said first mold, introducing a pressurized fluid into the parison to press the cover material and the parison against a cavity surface, thereby integrally laminating said cover material to an outer surface of a first wall of the panel having the hollow double-walled structure and transferring said three dimensional pattern of said first mold half to said resin sheet.


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