Patent ID: 6769547
Filing Date: 2004-08-03
Classification: B65D,Y10T

Abstract:
A multi-layer air cushion packing material for covering edges, corners or surfaces on both sides of a product so as to provide a buffering effect during shocks, comprising a plurality of buffers, each buffer including combined first pad and second pad, an inside of said first pad having a plurality of raised buffering pieces to contact with the product, said first pad acting as a mask with a plurality of hollow and raised buffering pieces on one side, said second pad located inside said first pad with a plurality of raised arcs on a back board of said second pad, the raised arcs of said second pad and the raised buffering pieces of said first pad forming air chambers;said buffering pieces, said raised arcs of said buffer and said air chambers providing a buffering effect for said products, and further comprising, a third pad with a plurality of second raised arcs on a back board installed between said first pad and said second pad, a radian of each second raised arc is less than that of said buffering piece on said first pad forming air chambers between said buffering pieces and said second raised arcs.