Spacer for pair of pipes, particularly pair of borehole-pipes, has opening with clip formed integrally and elastically, where profile corresponding to pipe diameter is provided at predetermined distance of borehole pipe

摘要

The spacer (1) has an opening (7) with a clip formed integrally and elastically. A profile corresponding to the pipe diameter is provided at a predetermined distance of the borehole pipes. The spacer is firmly plugged at the outer part of the pipes (4,5).