发明名称 |
Concrete block |
摘要 |
PCT No. PCT/SE82/00195 Sec. 371 Date Jan. 28, 1983 Sec. 102(e) Date Jan. 28, 1983 PCT Filed Jun. 1, 1982 PCT Pub. No. WO82/04272 PCT Pub. Date Dec. 9, 1982.An improved concrete block intended to serve as a roadway defining member. The block is in the shape of an elongate concrete body having an essentially triangular cross-sectional configuration with one bottom face and two preferably symmetrical side faces. Each side face is formed closest to the bottom face with a straight threshold portion sloping at a gradient of 1:5, which portion is connected to a second straight portion sloping at a gradient of 1:7 via an essentially circularly arcuate concave portion.
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申请公布号 |
US4661010(A) |
申请公布日期 |
1987.04.28 |
申请号 |
US19850690373 |
申请日期 |
1985.01.09 |
申请人 |
ALMER, BENGT O.;GIDLOEF, KARL G. |
发明人 |
ALMER, BENGT O.;GIDLOEF, KARL G. |
分类号 |
E01F15/08;(IPC1-7):E01F13/00 |
主分类号 |
E01F15/08 |
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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