| 发明名称 |
PRECAST CONCRETE METER PIT AND APPARATUS FOR MAKING SAME |
| 摘要 |
A precast concrete meter pit consisting of a plurality of precast concrete hollow elongated cylindrical wall sections in end to end relation to one another is fabricated by utilizing a slip form packerhead apparatus in which the wall sections are formed with an annular slip ring when concrete is injected into the slip form apparatus.
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| 申请公布号 |
US2013026162(A1) |
申请公布日期 |
2013.01.31 |
| 申请号 |
US201213646983 |
申请日期 |
2012.10.08 |
| 申请人 |
PRECAST CONCEPTS, LLC;PRECAST CONCEPTS, LLC |
发明人 |
ANDERSON EDWARD J.;PARRINGTON GEOFFERY S.;PELCHAT, JR. EUGENE J. |
| 分类号 |
G01F15/14;B65D13/00;E04G21/00 |
主分类号 |
G01F15/14 |
| 代理机构 |
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