Inner surface coating method and device for piping

Details Inner surface coating method and device for piping Inner surface coating method and device for piping

1987-05-01

1989-09-26

Bell, Janyce

Coating processes

Solid particles or fibers applied

Applying superposed diverse coatings or coating a coated base

427236, 427239, 427261, 427287, 4274071, 427409, 427426, B05D 722

Patent

active

048699284

ABSTRACT:
An inner surface coating method for a piping having a step of causing an adhesive agent or a lining material to adhere to a curved portion of a pipe and sticking a reinforcing material transported by gas flowing inside the pipe at a constant flow speed of 1 to 120 m/sec to the adhesive agent or the lining material, and an inner surface coating device having a reinforcing material supplier using a reinforcing material, dispersion unit constituted by a closed primary dispersion tank for mixing the reinforcing material from a supply tank with gas supplied under pressure from a blower and by a closed secondary dispersion tank incorporating a dispersing rotary blade rotated by reinforcing material mixed gas supplied under pressure from the primary dispersion tank.

REFERENCES:
patent: 2627649 (1953-02-01), Matthysse
patent: 4166536 (1979-09-01), Roberts et al.
patent: 4169906 (1979-10-01), Hallstrom et al.
patent: 4312902 (1982-01-01), Murase et al.
patent: 4543366 (1985-09-01), Smith

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