发明名称 |
METHOD OF COATING OPENING OF TRAY |
摘要 |
PURPOSE:To provide a method of coating the opening part of a plastic tray in which foodstuffs and the like are stored with a biaxially elongated polystyrene film, which heats and tightly seals the projected part at a high temperature simultaneously with the thermal deposition of the film at the flange thereby improving the appearance of said tray. |
申请公布号 |
JPS5346891(A) |
申请公布日期 |
1978.04.26 |
申请号 |
JP19760120411 |
申请日期 |
1976.10.08 |
申请人 |
ASAHI DOW LTD |
发明人 |
YASUKAWA SUSUMU;KAMIYOSHI HIROAKI;AOYAMA KOUZOU |
分类号 |
B65B53/02;B65B7/28;B65B53/00 |
主分类号 |
B65B53/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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