VACUUM ENHANCED METHOD AND APPARATUS FOR SEALING ONE OR MORE SEWN SEAMS
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Sep 30, 2014
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Sep 30, 2013
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Abstract
The invention is an improved method of sealing a sewn seam (22) on an airbag (10, 60) or other inflatable device and apparatus to accomplish this method. The method has the steps of a) creating a sewn seam, b) applying a seam sealant (90) to an exposed portion of the seam on an exposed surface; and c) locally applying a pressure differential to an opposite exposed surface proximate a portion of the seam on this surface to urge the seam sealant to migrate along the thread from the first exposed surface to regions between the panels to the opposite exposed surface.
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