专利名称：Sealing jaws for zippered foil or film in form, fill and seal machines 发明人：Hugo Boeckmann
dxs申请号：US07/470803
申请日：19900126
公开号：US05067302A澜沧江大桥
公开日：
19911126
摘要：Sealing jaw structure and method for securing zippered package making foil or film material, comprising sealing jaws, one of which carries a pair of spaced material engaging ribs for not only sealing but also tightening the material between the ribs during sealing cooperation of the jaws. The tightening facilitates cutting of the material being engaged between the jaws by a knife carried reciprocably by the jaw that carries the ribs.
申请人：ZIP-PAK INCORPORATED
代理机构：Hill, Van Santen, Steadman & Simpson
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