发明授权
- 专利标题: Ultrasonic press drying of paperboard
- 专利标题(中): 超声波压纸干燥纸板
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申请号: US20539申请日: 1987-03-02
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公开(公告)号: US4729175A公开(公告)日: 1988-03-08
- 发明人: Ralph E. Beard , Donald F. Hiscock , Kazuo Horita , Joseph A. Jacomet , Nagabhusan Senapati , Roger P. Hagan
- 申请人: Ralph E. Beard , Donald F. Hiscock , Kazuo Horita , Joseph A. Jacomet , Nagabhusan Senapati , Roger P. Hagan
- 申请人地址: IL Alton
- 专利权人: Container Corporation of America
- 当前专利权人: Container Corporation of America
- 当前专利权人地址: IL Alton
- 主分类号: D21F3/02
- IPC分类号: D21F3/02 ; D21F5/00 ; F26B7/00 ; F26B13/00 ; F26B20/00
摘要:
Method and apparatus for applying ultrasonic energy to a continuously moving web of paperboard at the same time it is being press-dried by being subjected to pressure and heat.
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