发明授权
- 专利标题: Biaxially-stretch-blow-molded container having excellent heat resistance and method of producing the same
- 专利标题(中): 具有优异耐热性的双轴拉伸吹塑成型容器及其制造方法
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申请号: US696739申请日: 1996-08-14
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公开(公告)号: US5735420A公开(公告)日: 1998-04-07
- 发明人: Setsuko Nakamaki , Yoshitsugu Maruhashi , Nobuyuki Kato , Kenji Matsuno , Hideo Kurashima , Hiroo Ikegami , Kimio Takeuchi
- 申请人: Setsuko Nakamaki , Yoshitsugu Maruhashi , Nobuyuki Kato , Kenji Matsuno , Hideo Kurashima , Hiroo Ikegami , Kimio Takeuchi
- 申请人地址: JPX Tokyo
- 专利权人: Toyo Seikan Kaisha, Ltd.
- 当前专利权人: Toyo Seikan Kaisha, Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX6-100365 19940516
- 主分类号: B29C49/08
- IPC分类号: B29C49/08 ; B29C35/08 ; B29C49/06 ; B29C49/16 ; B29C49/18 ; B29C49/28 ; B29C49/64 ; B29L22/00 ; B65D1/02 ; B65D1/42 ; B65D23/00
摘要:
In a biaxially-stretch-blow-molded container there is 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.
公开/授权文献
- US5131336A Waist part cloth guiding device for a sewing machine 公开/授权日:1992-07-21