发明名称 Method for manufacturing, filling and closing a receptacle made of thermoplastic material
摘要 The method comprises the forming in one piece of the side wall and an end wall of the receptacle, the sealing of a covering foil or cap on the outer face of the end wall, the forming of a slot at least partially closed on itself by partially melting thermoplastic material of the end wall with at least a zone of the end wall surrounding the slot and a part of the end wall surrounded by the slot being hermetically fast with the covering foil or cap, the filling of the receptacle through an opening opposite the end wall, and the closing of said filling opening by a separate bottom, whereby an extraction opening delimited by the slot is made by pulling the covering foil or cap.
申请公布号 US4228633(A) 申请公布日期 1980.10.21
申请号 US19780886093 申请日期 1978.03.13
申请人 GATRUN ANSTALT 发明人 CORBIC, YVES J.
分类号 B29C49/24;B29C65/00;B29C65/02;B29C65/48;B65B3/02;B65B7/28;B65D77/20;(IPC1-7):B65B61/18 主分类号 B29C49/24
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