发明名称 |
DEVICE FOR WELDING AND PERFORATING A THERMOPLASTIC FILM BACKFOLDED ON ITSELF |
摘要 |
The invention consists of a device for welding and perforating a thermoplastic film folded back on itself. The device consists of a support for supporting two electrically heated welding strips and a perforation device. The perforation device is movably supported between the welding strips. The support is transversely movable with respect to the film. The welding strips consists of a non-heating portion and a heating portion. The non-heating portion is at least equal in length to the heating portion. |
申请公布号 |
WO8707212(A3) |
申请公布日期 |
1988.02.11 |
申请号 |
WO1987FR00174 |
申请日期 |
1987.05.20 |
申请人 |
BAXTER TRAVENOL LABORATORIES, INC.;SUSINI, ETIENNE;SOUBRIER, PIERRE |
发明人 |
SUSINI, ETIENNE;SOUBRIER, PIERRE |
分类号 |
B31B1/86;B29C65/18;B29C65/22;B29C65/74;B31B19/64 |
主分类号 |
B31B1/86 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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