发明名称 JET SPIRAL PERFORATOR
摘要 Jet spiral perforator that includes perforator head, connection element attached to it, as connected with connector spiral strips on which jet charges with detonating fuse are fixed, blast cartridge. Strips are made by means of winding to cylindrical rim of strips made of strong plastic material able to undergo fine-fragmentation destruction under effect of products of explosion, with openings with bushings installed there, with inner threading for fixation of jet charges.
申请公布号 UA41471(U) 申请公布日期 2009.05.25
申请号 UA20080014365U 申请日期 2008.12.15
申请人 UKRAINIAN STATE GEOLOGICAL SURVEY INSTITUTE 发明人 DRACHUK OLEKSANDR HRYHOROVYCH;HOSHOVSKYI S&IEcy,RHII VOLODYMYROVYCH;VOITENKO YURII IVANOVYCH
分类号 E21B43/117 主分类号 E21B43/117
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