发明名称 INDUCTION SEALING DEVICE AND METHOD FOR MANUFACTURING AN INDUCTION SEALING DEVICE
摘要 The present invention relates to an induction sealing device for heat sealing packaging material for producing sealed packages of pourable food products. The present invention also relates to a method of manufacturing such an induction sealing device. The device comprises at least one inductor coil provided with at least one elongated sealing surface for cooperation with the packaging material during sealing. The sealing surface comprises a protruding ridge extending along a longitudinal extension of the sealing surface for cooperation with the packaging material and for increasing the sealing pressure on the packaging material during sealing.
申请公布号 US2016059480(A1) 申请公布日期 2016.03.03
申请号 US201414783991 申请日期 2014.03.28
申请人 TETRA LAVAL HOLDINGS & FINANCE S.A. 发明人 BIERLEIN Par;ISRAELSSON Karl;SANDBERG Daniel;DE SALVO Vincenzo;ALEXANDERSSON Martin;JOHANSSON Karl-Axel
分类号 B29C65/00;B65B51/22;B29C65/32 主分类号 B29C65/00
代理机构 代理人
主权项 1. Induction sealing device (10) for heat sealing packaging material for producing sealed packages of pourable food products, comprising at least one inductor coil (12) partly encapsulated in a supporting body (22), wherein said at least one inductor coil (12) is provided with at least one elongated sealing surface (12a, 12b) for cooperation with the packaging material during sealing, wherein said at least one sealing surface (12a, 12b) is exposed on an outer surface of the supporting body (22) for cooperation with the packaging material, wherein surfaces of the coil, except for surfaces of power connections (18), are provided with a coating (26) for protecting the coil from at least corrosion.
地址 Pully CH