公开(公告)号：US06372810B1

公开(公告)日：2002-04-16

申请号：US09730153

申请日：2000-12-05

申请人： Daniel W. Kazmierski ,  Randall C. Jenkines

发明人： Daniel W. Kazmierski ,  Randall C. Jenkines

IPC分类号： C08G1810

摘要： The present invention is a low density polyurethane foam cushion useful as an attached carpet cushion or as a detached carpet underlay. The low density foams of the present invention are prepared by a process wherein a polyurethane foam formulation is blown by both mechanical and chemical processes.

公开(公告)号：US06790872B2

公开(公告)日：2004-09-14

申请号：US09976366

申请日：2001-10-12

申请人： Daniel W. Kazmierski ,  Randall C. Jenkines

发明人： Daniel W. Kazmierski ,  Randall C. Jenkines

IPC分类号： C08J930

CPC分类号： C08G18/6674 ,  C08G2101/0066 ,  Y10T428/23979

摘要： The present invention is a low density polyurethane foam cushion useful as an attached carpet cushion or as a detached carpet underlay. The low density foams of the present invention are prepared by a process wherein a polyurethane foam formulation is blown by both mechanical and chemical processes.

摘要翻译： 本发明是一种低密度聚氨酯泡沫缓冲垫，可用作附着的地毯垫或作为独立的地毯底层。 本发明的低密度泡沫体通过其中通过机械和化学方法吹塑聚氨酯泡沫体制剂的方法制备。