Method and apparatus for inflating and sealing packing cushions with rotary sealing mechanism
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United States of America Patent
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Mar 26, 2013
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app pub date -
Sep 3, 2009
filing date -
Sep 3, 2008
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Abstract
An apparatus for inflating and sealing packing cushions has a drive mechanism for feeding a preconfigured film material to a sealing mechanism in a flattened state without wrinkles in the sealing region in which a longitudinal seal is formed. In one aspect, the drive mechanism comprises a pair of upper adjacent belts and a backing element, such as a lower belt. The sealing mechanism may be a rotary sealing wheel that contacts the film material between the upper adjacent belts.
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