发明名称 Electrostatic pinning in a process for gusseting film web
摘要 Disclosed is an apparatus and process for gusseting plastic film web having a means for applying an electrostatic charge of negative or positive polarity to the gusset to maintain stable gusset folds prior to storing or processing the gusseted web into a multiplicity of gusseted bags.
申请公布号 US5083999(A) 申请公布日期 1992.01.28
申请号 US19900547416 申请日期 1990.07.03
申请人 BARTA, RAYMOND D. 发明人 BARTA, RAYMOND D.
分类号 B29C65/78;B31B19/74 主分类号 B29C65/78
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