发明名称 Process for forming a peelable seal
摘要 A process for forming a peelable seal by heat sealing under combined application of heat and pressure at least two polyolefin film members having at least one oxidized surface therebetween, and the seal formed thereby.
申请公布号 US4264392(A) 申请公布日期 1981.04.28
申请号 US19780964453 申请日期 1978.11.29
申请人 PHARMACHEM CORPORATION 发明人 WATT, WILLIAM E. R.
分类号 B29C65/76;B65D53/08;B65D75/30;B65D75/58;C09J5/02;(IPC1-7):B32B31/20 主分类号 B29C65/76
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