| 摘要 |
The invention relates to a method of internally coating a pipe comprising the steps of; drying the pipe by a flow-through of dehumidified, compressed air followed by; cleaning said pipe by chemical means and/or by pumping a mixture of compressed air and particles of an abrasive material through the pipe and; blowing compressed air at a controlled flow together with a liquid thermosetting coating material into the pipe so that a coating layer is applied onto the interior walls of the pipe followed by; blowing heated compressed air through the pipe in order to raise the temperature of the thermosetting coating material to a temperature at, or exceeding, the curing temperature of the thermosetting coating material. The method is useful for internally coating a pipe or a system of pipes such as a gutter pipe, a rain pipe, a sewage pipe, a hot water pipe, a cold water pipe, a drain pipe, a portable water pipe, a natural gas pipe, and a fire sprinkler system pipe.
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