发明名称 |
Laminated playing surface |
摘要 |
A laminated playing surface and its method of making wherein a chemically blown polyolefin foam sheet is laminated by an adhesive to a scrim sheet saturated with a stabilizing agent which when heated contracts the lamination so that it can stretch tight between opposed edge portions affixed to the surface of the playing site.
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申请公布号 |
US5085424(A) |
申请公布日期 |
1992.02.04 |
申请号 |
US19900562040 |
申请日期 |
1990.08.02 |
申请人 |
GRANDSTAND INTERNATIONAL CORP. |
发明人 |
WOOD, JR., SIDNEY B. |
分类号 |
B32B27/12;E01C13/04;E04F15/22 |
主分类号 |
B32B27/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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