发明授权
- 专利标题： Sealed container and apparatus for and method of sealing same
- 专利标题（中）： 密封容器及其密封方法
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申请号： US37031973申请日： 1973-06-15
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公开(公告)号： US3868917A公开(公告)日： 1975-03-04
- 发明人: ARFERT HORST F W
- 申请人： REYNOLDS METALS CO
- 专利权人： Reynolds Metals Co
- 当前专利权人： Reynolds Metals Co
- 优先权： US37031973 1973-06-15; US85410869 1969-08-29
- 主分类号： B29C57/12
- IPC分类号： B29C57/12 ; B65B7/28 ; B65D77/20 ; B21D51/26
摘要：
A closure having a peripheral flange portion provided with an annular bottom surface is sealed by the application of heat and pressure to a dish-like container having a peripheral flange portion provided with a cooperating annular top surface so as to define a high quality bonded lamination comprised of the flange portions. The outer portion of the lamination is then curled to form a high strength annular bead which defines the peripheral outline of the side wall of a sealed container.
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