Sughrue, Mion, Zinn, Macpeak & Seas
Biaxially-stretch-blow-molded container having excellent heat resistance and method of producing the same
 A biaxially-stretch-blow-molded container and a method of producing the same. Redraw ratio at the bottom portion is small in the secondary blow molding without employing a complex heating system but in which a secondary article obtained by subjecting a preform article to the primary blow molding is preferentially shrunk at its bottom portion, and a tertiary article or a quaternally article before being subjected to the secondary blow molding is obtained having a bottom of a flat shape or in which the central portion is recessed inwardly of the container and the periphery thereof is flattened. The bottle obtained by this method has a thickness and crystallinity in the bottom portion which are nearly the same as those of the center of the barrel and are highly oriented. The heat-resistant bottle exhibits excellent strength in the bottom portion and symmetrical panel-sinking stability in the vacuum pressure. 
Toyo Seikan Kaisha, Ltd.
B B B B B B B Y B B B B B Y B
B29K B29C B29C B29C B29K B29C B65D Y10S B29K B65D B29K B29C B65D Y10S B29C
additional inventional additional inventional additional additional inventional additional additional additional additional inventional additional additional inventional
Kenji Hiroo Hideo Setsuko Nobuyuki Kimio Yoshitsugu
Matsuno Ikegami Kurashima Nakamaki Kato Takeuchi Maruhashi