发明名称 Film winder
摘要 A film winder apparatus and method to minimize wrinkles during film winding comprising provision of balancing and counterbalancing mechanisms so that forces involved when cores are engaged by a bed roll occurring during film winding are effectively minimized while allowing the core to be in intimate contact with the bed roll.
申请公布号 US4955554(A) 申请公布日期 1990.09.11
申请号 US19880242590 申请日期 1988.09.12
申请人 THE DOW CHEMICAL COMPANY 发明人 LEBOEUF, WILLIAM E.;WAIT, JR., H. V.
分类号 B65H18/02;B65H18/26 主分类号 B65H18/02
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