发明名称 VERFAHREN UND VORRICHTUNG ZUM ANBRINGEN EINER SCHWEISSNAHT AN EINEM AUS SCHAUMKUNSTSTOFF BESTEHENDEN BEHAELTER.
摘要 A method for the application of a sealing weld to a container of foam plastic wherein an upright sealing weld is provided, which at the side facing the contents of the containers is provided with a score weld that is tearable and is almost completely protected by the parts of the sealing weld and the container that have remained ductile. The device for the application of the method comprises two heated jaws wherein at least one of the jaws is provided at the lower side with a ridge that protrudes above the inner surface of the jaw. This application also discloses a container provided with at least one sealing weld comprising a score weld according to this method.
申请公布号 CH551856(A) 申请公布日期 1974.07.31
申请号 CH19720006776 申请日期 1972.05.08
申请人 STICHTING ONTWIKKELING VERPAKKINGSMETHODEN IN DE ZUIVELINDUSTRIE 发明人
分类号 B65D85/80;B29C65/00;B29C65/18;B65B51/14 主分类号 B65D85/80
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