A pad including first and second air impervious chambers adhered to one another is provided. The first air impervious chamber is provided by a plurality of fluidly interconnected air tubes. Each tube is formed between a first and a second thermo-plastic sheet. The first and second thermo-plastic sheets are affixed together at seams on opposite sides of the tubes. A first length between the pair of seams along the first thermo-plastic sheet is different than a second length between the pair of seams along the second thermo-plastic sheet. The second air impervious chamber is coupled to the first air impervious chamber. The second air impervious chamber including a core therein to provide self-inflating features to the second air impervious chamber. Methods of forming the same are provided.
申请公布号
WO2011079019(A2)
申请公布日期
2011.06.30
申请号
WO2010US60772
申请日期
2010.12.16
申请人
JOHNSON OUTDOORS INC.;HRUBANT, MARK A.;THEPSOMBAT, SOULILANHDA