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    • 10. 发明授权
    • Method for manufacturing a foam panel
    • 泡沫板的制造方法
    • US5853649A
    • 1998-12-29
    • US909255
    • 1997-08-11
    • Michael Derek TisackKenneth Andrew Winowiecki
    • Michael Derek TisackKenneth Andrew Winowiecki
    • A43B9/12B29C44/12B29C44/42B29C44/06B29C44/14
    • B29C44/12A43B9/12B29C44/42
    • A method of manufacturing a panel having a foam interlayer. A flexible cover is placed adjacent a first mold in an open tool. A rigid substrate is placed adjacent a second mold, or alternately, is place atop the flexible cover in the first mold, of the opened tool. The first and/or second molds are electrically isolated from one another and from the associated manufacturing equipment. A vacuum draws the cover against the first mold and retains the cover in position during the manufacturing operation. The tool is moved to a closed position and the cover is positioned juxtaposed the substrate. The cover and substrate are positioned a distance apart thus creating a space therebetween. A vacuum is created in the space and a radio frequency (RF) electric field is applied between the first and second molds. The RF electric field causes a plasma to be created within the space. The plasma activates both the cover and the substrate. While the space is still under vacuum, a foaming material is injected into the space. The foaming material is drawn into the space by the vacuum and adheres to the activated cover and substrate. The RF electric field is subsequently coupled in the space to dielectrically cure the foam material.
    • 一种制造具有泡沫中间层的面板的方法。 在开放工具中将柔性盖放置在第一模具附近。 将刚性基板放置在打开的工具的第二模具附近,或者替代地,位于第一模具中的柔性盖的顶部。 第一和/或第二模具彼此和相关联的制造设备电隔离。 真空将盖子拉到第一模具上,并且在制造操作期间将盖子保持在适当位置。 工具移动到关闭位置,并且盖子与基板并置放置。 盖和基板间隔一定距离,从而在它们之间产生空间。 在空间中产生真空,并且在第一和第二模具之间施加射频(RF)电场。 RF电场导致在空间内产生等离子体。 等离子体激活盖和基板。 当空间仍处于真空状态时,将发泡材料注入空间。 发泡材料通过真空吸入空间并粘附到活化的盖和基底上。 RF电场随后在空间中耦合以介电地固化泡沫材料。