A bladder for containing a cushioning medium. The bladder includes open compartments which are created by welding or otherwise fastening a first bladder wall against a second bladder wall. The periphery of the bladder walls are welded or otherwise sealed together so that the bladder will contain a cushioning...http://www.google.fr/patents/US5881409?utm_source=gb-gplus-shareBrevet US5881409 - Puff-quilted bladders for containing flowable cushioning medium
Puff-quilted bladders for containing flowable cushioning medium
