| 摘要 |
<p>PURPOSE:To provide a method for lining the inside of tubes where lining work is done irrespective of the presence or absence of the ruggedness of the inside and the change in tube diameter without a pressure medium mixed in a lining agent. CONSTITUTION:In a method where a lining agent 3 placed at the front of pigs 2, 9 is forcibly fed forwards by forcibly feeding the pigs 2, 4 to line the inside of tubes with the lining agent 3, a monolithic pressure medium sealing agent 7 in the form of a slime is interposed between a pressure medium and the pigs 2, 4 and the inside of tubes is lined while the boundary of the pressure medium and the liquid lining agent 3 is sealed by the sealing agent 7.</p> |
