发明名称 COUNTER ELEMENT AND METHOD OF PRODUCING THE SAME
摘要 The invention relates to a counter element (22) being adapted to apply a pressure to a first portion of a packaging material in association with heating of the packaging material in order to seal the first portion of the packaging material to a second portion of the packaging material. The element (22) being provided with an abutment surface (23) adapted to at least abut said first portion of the packaging material. The abutment surface (23) is provided with a plurality of indentations (24) adapted to entrap fluid or gas present in the vicinity of the abutment surface (23) and the first portion of the packaging material. The inventions also relates to a method of providing a counter element (22) as described above.
申请公布号 EP1744957(B1) 申请公布日期 2009.05.13
申请号 EP20050722251 申请日期 2005.03.22
申请人 TETRA LAVAL HOLDINGS & FINANCE SA 发明人 SHOKRI, EBI;PALMQUIST, ROLAND;KUPFER, REINHARD;CETRELLI, RENATO
分类号 B65B51/30;B29C;B29C45/37;B29C65/00;B29C65/02 主分类号 B65B51/30
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