发明名称 Multi-purpose underground utility conduit system
摘要 A method of housing various utility services within a single unitary structure includes the steps of disposing such services within an integral longitudinal conduit having sub-conduits, each corresponding to a utility service or utility service group to be provided. Further providing, to earth-embedded surfaces of the integral conduit, elements for stabilization of the conduit within the earth; and providing, to upwardly directed, non-embedded surfaces of the conduit, a substantially flat surface including surface effects to aesthetically and functionally integrate into a surface environment associated with the conduit.
申请公布号 US6167916(B1) 申请公布日期 2001.01.02
申请号 US19990289739 申请日期 1999.04.12
申请人 GUSTAFSON, JR. THOMAS F.;BARR JOHN J.;KELLER WALTER D. 发明人 GUSTAFSON, JR. THOMAS F.;BARR JOHN J.;KELLER WALTER D.
分类号 F16L11/12;E03F3/04;F16L9/19;(IPC1-7):F16L11/00;E02D29/00;B63B35/03 主分类号 F16L11/12
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