Inflatable air cushion

An inflatable air cushion is a bag of fabric or plastic that can be inflated to provide cushioning. Unlike Bubble Wrap, inflatable air cushions have a check valve to allow the cushion to be inflated or deflated.

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History

Before 2002, inflatable air cushions used a single check valve as show in USA Pharo patent. However if one part of the cushion was punctured then this packaging would completely deflate. In 2002, several types of continuously independent one way air valve films were introduced. (Japan's kashiwara patent, Taiwan's Camery Patent, and Taiwan Chien-Hao Liao patent. These patents incorporate a one way air valve film, which can be produced continuously and independently. If one air tube is punctured, the other air tubes will still remain inflated. This invention had brought the second revolution of inflatable air cushioning.

Concept

Applications

Patent History

See also