For the program and equipment of the production that the woven composite arrangement of reinforcement main body and TOPIC in space are obtained by program

摘要

For mainly include a short tube shape body (C) a new drilling string-element insert into one equipment of drilling-string descriptor and correlative include both ends its by meaning an adapter, it is suitable for tightening the equipment in main body to drill pipes from outside, wherein two valves are placed, wherein one valve (a) is radial to the short body, intercepting and be equipped with a suitable flame-arrester vent plug, another valve (B) is axial about main body.