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.:
Date of Patent:
Oct. 17, 2017
Filed:
Mar. 29, 2010
Tomoya Utashiro, Oyama, JP;
Yoshinori Ito, Tokyo, JP;
Masayuki Noguchi, Kawasaki, JP;
SHOWA DENKO K.K., Tokyo, JP;
Abstract
Provided is a sheet press molding method by which a molded product having a small plate thickness deviation is obtained. Such a sheet press molding method is provided with a process in which a molded product () having a recess and protrusion pattern portion (), to which a recess and protrusion pattern () is transferred, is formed by pressurizing a sheet-shaped material () including 60 vol. % to 95 vol. % of a filler and a resin composition using a pair of molds () having the predetermined recess and protrusion pattern () composed of recessed portions (, and) and protrusion portions (, and) in at least one of a pair of the molds, in which the mold provided with a dummy pattern () composed of dummy protrusion portions () that offset the difference between the total volume of the protrusion portions (, and) formed on the inside () and the total volume of the recessed portions (, and) disposed between the protruding portions (, and) and the side surfaces () of the inside () and the recessed portions (, and) disposed between the protruding portions (, and) on the inside () is used as a pair of the molds ().