发明授权
- 专利标题: Production of net or net-like products
- 专利标题(中): 生产网络或网络产品
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申请号: US595721申请日: 1975-07-14
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公开(公告)号: US4038008A公开(公告)日: 1977-07-26
- 发明人: Ronald Leslie Larsen
- 申请人: Ronald Leslie Larsen
- 申请人地址: MN St. Paul
- 专利权人: Conwed Corporation
- 当前专利权人: Conwed Corporation
- 当前专利权人地址: MN St. Paul
- 主分类号: B29C48/30
- IPC分类号: B29C48/30 ; B29F3/04
摘要:
An apparatus for the production of perforated tubular film i.e., net is disclosed. A tube of a thermosetting polymer is continuously extruded and the extrusion opening is alternately interrupted first from one side of the tube and then from the other thereby doubling the capacity of the machine.
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