发明名称 LAYING METHOD FOR UNDERGROUND BURIED PIPE
摘要 <p>PURPOSE:To provide a laying method for an underground buried pipe which dispenses with troublesome work, improves workability, and prevents the increase in a cost. CONSTITUTION:In an laying method for an underground buried pipe wherein an underground buried pipe 2 is laid in a dug ditch 1, fluidization treating earth S is placed, and the underground buried pipe 2 is buried, a weight vehicle 3 for preventing floating is installed movably in the axial direction of the underground buried pipe 2 in the underground buried pipe 2 laid in the dug ditch 1.</p>
申请公布号 JPH07310861(A) 申请公布日期 1995.11.28
申请号 JP19940106686 申请日期 1994.05.20
申请人 SEKISUI CHEM CO LTD 发明人 TANAKA TADASHI;AZUMA SHUNJI;YANO HIROHIKO
分类号 F16L1/024;(IPC1-7):F16L1/024 主分类号 F16L1/024
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