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. 03, 2006
Filed:
Dec. 20, 2001
Yoshio Akiyama, Tochigi, JP;
Hiroaki Tokuda, Tokyo, JP;
Makoto Busujima, Tokyo, JP;
Shuichi Koshio, Matsudo, JP;
Masaaki Sasaki, Matsudo, JP;
Yoshio Akiyama, Tochigi, JP;
Hiroaki Tokuda, Tokyo, JP;
Makoto Busujima, Tokyo, JP;
Shuichi Koshio, Matsudo, JP;
Masaaki Sasaki, Matsudo, JP;
Yoshino Kogyosho Co., Ltd., Tokyo, JP;
Abstract
The blow molded preform of a laminated wall structure comprises a bulging shoulder portion which has a diameter that widens slightly in the downward direction; a bottom shell portion for molding a bottom, which has been blow molded from a corresponding portion of a parison so as to have a widened and deformed shape; an inner overhang wall portion in any position starting from the opposite side of a neck ring and ending at the upper portion of a bulging shoulder portion, with an inner wall portion having a diameter that widens in the downward direction; and/or a radially widened connecting portion of an arced shape, which has a larger diameter than a barrel portion so that the entire bottom including a bottom shell portion takes a bulging spherical shape.