发明名称 FOERFARANDE FOER FOERSEGLING AV ETT PLASTLOCK VID EN BEHAOLLARE AV PLASTBELAGD KARTONG OCH ANORDNING FOER UTFOERANDE AV FOERFARANDET
摘要 <p>A method and an apparatus used for sealing a plastics lid to a container of plastics-coated paper board, the lidded container at several locations in the area which the lid joins the container, being supplied with energy in the form of electromagnetic microwaves, and the energy being absorbed in the paper board to melt for welding of the lid to the container.</p>
申请公布号 FI780537(A) 申请公布日期 1978.08.19
申请号 FI19780000537 申请日期 1978.02.17
申请人 ELOPAK A/S 发明人 SLUNGAARD SVEIN;FRYDENDAL TOM;SKJELBY FINN
分类号 B29C65/14;B65B7/28;B65B51/22;(IPC1-7):B65B/ 主分类号 B29C65/14
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