发明名称 APPAREIL DE BROYAGE HYDRAULIQUE
摘要 <p>Crushing device using the hydraulic power of highpressure jets, comprising a hydraulic crushing chamber surrounded by an annular closure, high pressure jets being sprayed into that chamber, crushing the substances brought into that chamber through a central duct in the boring tool, the crushed substances being removed through orifices in the wall of the crushing chamber.</p>
申请公布号 CA987663(A) 申请公布日期 1976.04.20
申请号 CA19730179449 申请日期 1973.08.22
申请人 SOCIETE GENERALE DE CONSTRUCTIONS ELECTRIQUES ET MECANIQUES (ALSTH;COMPAGNIE FRANCAISE DES PETROLES 发明人 CONDOLIOS, ELIE;CORTES, ABEL C.
分类号 E21B21/00;E21B10/04 主分类号 E21B21/00
代理机构 代理人
主权项
地址