发明授权
US4060443A Device for the heat-sealing of thermoplastic material or paper material
coated with thermoplastics
失效
用热塑性材料或涂有热塑性塑料的纸材进行热封的装置
- 专利标题: Device for the heat-sealing of thermoplastic material or paper material coated with thermoplastics
- 专利标题(中): 用热塑性材料或涂有热塑性塑料的纸材进行热封的装置
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申请号: US353376申请日: 1973-04-23
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公开(公告)号: US4060443A公开(公告)日: 1977-11-29
- 发明人: Gyula Balla
- 申请人: Gyula Balla
- 申请人地址: SW Lund
- 专利权人: Tetra Pak International AB
- 当前专利权人: Tetra Pak International AB
- 当前专利权人地址: SW Lund
- 优先权: SW6722/72 19720523
- 主分类号: H05B6/80
- IPC分类号: H05B6/80 ; B29C53/00 ; B29C65/00 ; B29C65/04 ; B29C65/14 ; B65B51/00 ; B65B51/10 ; B65B51/22 ; H05B7/06 ; H05B9/04
摘要:
A device to heat seal at least two thermoplastic layers using heat generated by the dielectric loss from a high frequency generator.
公开/授权文献
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