发明申请
- 专利标题： Method and apparatus for securing stretchable film using vacuum
- 专利标题（中）： 使用真空固定可拉伸膜的方法和装置
-
申请号： US11112160申请日： 2005-04-22
-
公开(公告)号： US20050275148A1公开(公告)日： 2005-12-15
- 发明人: Harold Beaudoin , Wayne Lutzke , Hubert Van de Pas
- 申请人： Harold Beaudoin , Wayne Lutzke , Hubert Van de Pas
- 专利权人： Curt G. Joa, Inc.
- 当前专利权人： Curt G. Joa, Inc.
- 主分类号： A61F13/15
- IPC分类号： A61F13/15 ; B65H5/00 ; B65H5/22 ; B65H27/00 ; B65H83/00 ; B65H85/00
摘要：
A vacuum wheel for securing and retaining various sizes of stretchable film is disclosed. The outer surface of the vacuum wheel includes an advantageous pattern of vacuum openings and vacuum slots, wherein the vacuum slots provide vacuum communication between at least two of the vacuum openings. A preferred embodiment provides a chevron or zig-zag shaped pattern of vacuum openings and vacuum slots configured to provide improved vacuum holding strength.
公开/授权文献
信息查询
