发明名称 APPARATUS FOR SIMULTANEOUSLY SEALING AND CUTTING THROUGH AT LEAST TWO LAYERS OF THERMOPLASTIC FILM
摘要 Heat-dispersion in a heat-sealing apparatus of which mutually-closable jaws (11,12) bear respectively an electrical impulse heating element (16) and a resilient pad (19), covered by release sheets (17,20) is improved by provision of a heat-conductive foil (21) between one of the release sheets (20) and the resilient pad (19).
申请公布号 IN171447(B) 申请公布日期 1992.10.17
申请号 IN515CA1989 申请日期 1989.07.03
申请人 DU PONT CANADA INC. 发明人 BERGEVIN KEVIN
分类号 B65B51/10;B29C65/00;B29C65/22;B29C65/74;B29C65/78;B65B51/30 主分类号 B65B51/10
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