Method for lining pipe inner surface in multibranch piping

Details Method for lining pipe inner surface in multibranch piping Method for lining pipe inner surface in multibranch piping

1992-04-22

1993-06-15

Bell, Janyce

Coating processes

Interior of hollow article coating

Vacuum or pressure utilized

427239, B05D 722

Patent

active

052196143

ABSTRACT:
The present invention provides a method capable of lining a multibranch piping with a coating material within the pot life of the coating material without leaving an area uncoated or having to apply excessive repeated coatings. Lining of a main pipe is performed by pouring the coating material into the main pipe from an end portion of the pipe, and the lining of branch pipes is effected by the feed of the coating material and air for each of the branch pipes. A completed time point of lining in each branch pipe is detected by any one of the following methods:

REFERENCES:
patent: 4397890 (1983-08-01), Kinumoto et al.
patent: 4454173 (1984-06-01), Koga
patent: 4454174 (1984-06-01), Koga
patent: 4556580 (1985-12-01), Kamuro et al.

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