发明名称 DEVICE FOR MAKING WELLS IN GROUND
摘要 The device comprises an eccentric shaft (1) on which are mounted rollers (2) interconnected by means of elastic elements (3) consisting of corrugated sleeves (11) and intended for butt-end sealing of the rollers (2), and by means of additional elements (5) for their radial sealing. The additional elements (5) are located in a radial gap (7) between adjacent rollers (2) which are made hollow.
申请公布号 WO8911005(A1) 申请公布日期 1989.11.16
申请号 WO1989SU00050 申请日期 1989.02.21
申请人 TSNI P EX I ORG MEKH TEKH;INST GORNOGO DELA SIBIRSKOGO O 发明人 GERASIMENKO, NIKOLAI PETROVICH;BOBYLEV, LEONID MATVEEVICH;KOVALEV, ALEXANDR SEMENOVICH;SVIRSCHEVSKY, VALENTIN KONSTANTINOVICH;KLIMOV, NIKOLAI JURIEVICH;GOIKHMAN, YAKOV ALEXANDROVICH
分类号 E21B7/26;E21B10/08;E21B10/22;E21B10/24;E21B10/25;(IPC1-7):E02F5/16 主分类号 E21B7/26
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