Cushion element having a single piece middle layer (1) extending over the entire length and breadth of the cushion. Projections (2) with conical free ends extend above and below the middle layer. In between the projections penetrating airpassages (3) run through the middle layer. Blind channels (4) are formed in the projections and reach as far as the middle layer.
申请公布号
DE19521910(C1)
申请公布日期
1996.09.26
申请号
DE19951021910
申请日期
1995.06.16
申请人
HUELSTA-WERKE HUELS GMBH & CO KG, 48703 STADTLOHN, DE