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    • 12. 发明申请
    • Methods for flame-perforating films
    • 火焰穿孔膜的方法
    • US20060125139A1
    • 2006-06-15
    • US11343766
    • 2006-01-31
    • Mark StrobelMichael UlshJoel Getschel
    • Mark StrobelMichael UlshJoel Getschel
    • B28B1/48
    • B26F1/26Y10S425/037Y10T428/24273
    • An apparatus and methods for flame-perforating films. A preferred embodiment of the apparatus includes a frame, support surface attached to the frame, where the support surface includes a plurality of lowered portions, a burner attached to the frame opposite the support surface, where the burner supports a flame, and where the flame includes a flame tip opposite the burner and a film contacting the support surface, where the flame of the burner is in contact with the film, where the burner is positioned such that the distance between an unimpinged flame tip of the flame and the burner is at least one-third greater than the distance between the film and the burner.
    • 一种用于火焰穿孔膜的设备和方法。 该装置的优选实施例包括框架,附接到框架的支撑表面,其中支撑表面包括多个下降部分,附接到框架与支撑表面相对的燃烧器,其中燃烧器支撑火焰,并且其中火焰 包括与燃烧器相对的火焰末端和接触支撑表面的膜,其中燃烧器的火焰与膜接触,其中燃烧器被定位成使得火焰未燃烧的火焰尖端和燃烧器之间的距离在 比胶片和燃烧器之间的距离大至少三分之一。