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Application filed by Samsung Construction CofiledCriticalSamsung Construction Co
Priority to KR94020594ApriorityCriticalpatent/KR0123216B1/en
Application grantedgrantedCritical
Publication of KR0123216B1publicationCriticalpatent/KR0123216B1/en
Devices Affording Protection Of Roads Or Walls For Sound Insulation
(AREA)
Piles And Underground Anchors
(AREA)
Abstract
The method efficiently welds the lower part of the underground pipe without eliminating rocks or concrete strucures positioned under the buried pipe. The method comprises a step of partially cutting an upper part of one pipe; a step of inserting a welding rod into the cut part of the pipe, and welding the lower part of the contact of the two pipes; a step of welding the upper contact part and the partially cut part. It can reduce the construction period.
KR94020594A1994-08-201994-08-20Method of pipe joint
KR0123216B1
(en)
Sealing device for sealing of holes in the wall of a pipe in a curved oil well, an anchoring device for the sealing device and a tool for mounting of the sealing device and the anchoring device