Machines for treating filaments of plastics materi

专利名称：Machines for treating filaments of plastics

materials

发明人：Frank Metcalf Aspin申请号：US05/575967申请日：19750507公开号：US03988101A公开日：19761026

摘要：There is disclosed apparatus for the treatment of films of plastics materialwhich comprises at least a basic unit having, in one section, grooved and heated rollmeans, and in another, following section, godet rolls. In use, films of fibrillatable plasticsmaterial, such as of polypropylene, which have been profiled to exhibit a plurality ofparallel longitudinal enlarged portions, can be conveniently heated and hot-stretched,the grooved roll means being very effective for heating and traction purposes. Theapparatus may include other units, and there may be additional sections in the basic unit,all preferably constructed on a modular system for cheapness and ease of assembly.

申请人：ASPIN; FRANK METCALF

代理机构：Spencer & Kaye

更多信息请下载全文后查看