| 发明名称 |
Artificial turf contg heating elements |
| 摘要 |
The turf comprises a carpet-like upper layer and several lower layers porous to water. Heating elements are positioned in a sand layer above a thermal insulation layer made from polystyrene foam. This layer has water drainage holes and lies on rows of hollow blocks positioned on a gravel base. |
| 申请公布号 |
DE1961816(A1) |
申请公布日期 |
1971.06.16 |
| 申请号 |
DE19691961816 |
申请日期 |
1969.12.10 |
| 申请人 |
LICENTIA PATENT-VERWALTUNGS-GMBH |
发明人 |
SCHUENEMANN,DIETER;ROEHRICHT,WALTER |
| 分类号 |
E01C11/26;E01C13/02;E01C13/08 |
主分类号 |
E01C11/26 |
| 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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