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:
Jan. 12, 1999
Filed:
May. 16, 1997
Applicant:
Inventors:
Norihiro Shimizu, Machida, JP;
Tomohiro Urano, Machida, JP;
Atsushi Takei, Machida, JP;
Akira Nitta, Machida, JP;
Assignee:
Denki Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264521 ; 264903 ; 264907 ; 215371 ; 215376 ; 428 357 ; 428 3692 ; 428910 ;
Abstract
A self-sustaining container made of a saturated polyester resin, formed by biaxial stretch blow molding and comprising a mouth and cervical portion, a shoulder, a body and a bottom, wherein said bottom has a self-sustaining structure with a plurality of legs radially bulged around the center of the bottom and valley lines formed between the adjacent legs, and the following portions (A) to (E) are low stretched portions and at least portions (B) and (C) among the following portions (A) to (E) are crystallized portions: