发明名称 Ultrasonic Sealing of Packages
摘要 A method and apparatus for sealing films. In one embodiment the sealing device comprises a horn and an anvil. The film has a standard portion and an increased portion. Increased energy is applied to the film in the increased portion compared to the energy applied to the standard portion. Such a method allows for sealing of varying number of layers.
申请公布号 US2016001499(A1) 申请公布日期 2016.01.07
申请号 US201514853269 申请日期 2015.09.14
申请人 Frito-Lay North America, Inc. 发明人 CHAM Pak Meng;JORDAN, IV Glenn T.;KOZMAN Austin;FLOWERS Sean;SHORT Matthew A.
分类号 B29C65/08;B65B51/22 主分类号 B29C65/08
代理机构 代理人
主权项 1. A sealing device comprising: a horn; an anvil; wherein the horn comprises a first portion for sealing a standard portion of a film at a first energy level between the horn and the anvil, and a second portion for sealing an increased portion of a film at a second energy level between the horn and the anvil that is higher than the first energy level, wherein the first and the second portions of the horn comprise different materials having dissimilar thermal diffusivities.
地址 Plano TX US