| 发明名称 |
Pre-stressed prefabricated concrete plate has roughened contact surface for receiving local concrete |
| 摘要 |
<p>The concrete plate (10) has a contact surface which is roughened up with a rough depth of at least 1.5 mm and is intended to receive local concrete. Endless longitudinal grooves (14) are formed in the contact surface. Independent claim describes method for manufacturing concrete plate by roughening up contact surface before the plate sets.</p> |
| 申请公布号 |
DE10105488(A1) |
申请公布日期 |
2002.08.29 |
| 申请号 |
DE2001105488 |
申请日期 |
2001.02.07 |
| 申请人 |
GRAEWINGHOLT, SILKE;OMNIA BAUSTOFFE AUER KG |
发明人 |
|
| 分类号 |
B28B11/08;E04B5/02;E04C2/06;(IPC1-7):E04C2/06;E04B5/17 |
主分类号 |
B28B11/08 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
