Connecting member of main sewer pipe and branch sewer pipe

摘要

The present invention relates to a connecting member of the main sewage pipe and the branch sewer pipe, it is possible to force the contraction of the volume, and the socket portion after inserting the connecting end pipe body having a variable locking jaw at the lower end into the branch hole drilled in the main sewer pipe Inserting the provided connection pipe into the fixed end pipe, the variable locking jaw is configured to be secured firmly and airtightly caught on the inner periphery of the branch hole while opening outward.