METHOD OF REPAIR OF AN OPERATIONAL PIPELINE WITH THE LOCAL END-TO-END DEFECTS AND A DEVICE FOR ITS REALIZATION Russian patent published in 2006 - IPC F16L55/16 

FIELD: pipeline transportation; methods and devices for repair of the operational pipelines with the local end-to-end defects.

SUBSTANCE: the invention is pertaining to the field of pipeline transportation, in particular, to the methods and devices for repair of the operational pipelines with the local end-to-end defects. After cleaning of the damaged section of the pipeline assemble the pressure fitting together with the locking unit on the pipeline near to the and-to-end defective hole, transfer the pressure fitting together with the locking unit to the place of the defect, fix the locking unit on the pipeline by a clamping tool and hermetically couple the locking unit to the pipeline by a ring-type welding seam, perform pressurization of the hole in the pipeline by pressing a gasket to end-to end defect by a rotating coupling rod in the locking unit. The invention expands an arsenal of the methods and devices for repair of the operational pipelines with the local end-to-end defects.

EFFECT: the invention expands an arsenal of the methods and devices for repair of the operational pipelines with the local end-to-end defects.

6 cl, 4 dwg