Patent ID: 8147951

Claim:
A composite air and foam protective packaging product comprising: a string of interconnected packaging cushions, each said packaging cushion comprising: in cross-section, four plies of plastic film, foam between a first ply and a second ply of said four plies of plastic film, air between said second ply and a third ply of said four plies of plastic film, foam between said third ply and a fourth ply of said four plies of plastic film, said first, second, third, and fourth plies being sealed to one another substantially contemporaneously during manufacture of said packaging cushion so as to contain said foam between said first and second plies and between said third and fourth plies while containing said air between said second and third plies, thereby defining an air cushion having an air chamber laminated with a foam cushion on each side of said air cushion, and each said packaging cushion has a longitudinally extending heat seal along a lateral side edge thereof and a pair of transversely extending heat seals thereacross defining opposite end edges thereof.