Patent ID: 6837951
Filing Date: 2005-01-04
Classification: A43B,B29D,D04B,D10B,Y02P,Y10T

Abstract:
1. A method for forming a resilient, fluid-filled bladder structure, the method comprising steps of: placing at least one core between a first sheet and a second sheet of thermoplastic material, said at least one core having a first outer layer and a second outer layer, said outer layers being spaced apart and connected together by a plurality of connecting members; heating said first sheet, said second sheet, and said at least one core; and bonding said first sheet to said first outer layer, bonding said second sheet to said second outer layer, and bonding said first sheet and said second sheet together around a periphery of said at least one core by compressing said first sheet, said second sheet, and said at least one core in a mold such that: