发明名称 |
VERFAHREN UND VORRICHTUNG ZUM VERSCHLIESSEN EINES VENTILSACKES. |
摘要 |
1. Method for closing a valve bag (4) having an inside valve (7) provided with a layer from thermally sealable material, wherein a heat transfer is performed to the layer for closing the inside valve (7), characterized in that the valve (7) is grasped and pressed together by means of sealing electrodes (6, 8) caving into the bag (4) beneath the valve (7) and producing a counterpressure at the top side of the bag (4) and that the valve (7) is sealed through the bag walls of the valve bag (4) deformed in the described way by indirectly producing the heat in the layer. |
申请公布号 |
AT24451(T) |
申请公布日期 |
1987.01.15 |
申请号 |
AT19800104907T |
申请日期 |
1980.08.18 |
申请人 |
NATRONAG GESELLSCHAFT FUER VERPACKUNGSSYSTEME MBH |
发明人 |
HERDA, DIETER, ING. GRAD.;BUETTNER, GUENTER |
分类号 |
B29C65/00;B29C65/08;B65B7/02;B65B51/22 |
主分类号 |
B29C65/00 |
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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