公开(公告)号：EP1448081A1

公开(公告)日：2004-08-25

申请号：EP02773866.5

申请日：2002-10-23

申请人： Sealy Technology LLC

发明人： BARMAN, Bruce G.,

IPC分类号： A47C27/05 ,  A47C27/14

CPC分类号： A47C27/053 ,  A47C27/05 ,  Y10S5/901

摘要： A selectively contoured single unibody foam piece (10) for use as a layer in a cushioned load bearing structure has a first zone (121) with a first surface topography having distinct support properties from a second zone (122) with a second surface topography. The zones (121, 122) of differing topography are formed in the surface of a single, unibody piece of foam (10) by applicable foam cutting techniques. Patterned removal of foam material from a single piece (10) creates zones (121, 122) with different density, ILD or other load bearing properties with different support and feel characteristics. A single unibody component (10) in a responsive flexible support structure has distinct zones (121, 122) with distinct support characteristics, the zones corresponding in location with the anticipated loads and loading patterns of a flexible support device in use.