Interior pipe coating apparatus

Details Interior pipe coating apparatus Interior pipe coating apparatus

1974-07-29

1977-11-15

Blunk, Evon C.

Fluid sprinkling, spraying, and diffusing

With mobile tank-type supply means

Spray boom or bar type distributor

118306, 239187, 239224, 239229, B05B 318

Patent

active

040582582

ABSTRACT:
A coating apparatus for coating the interior surface of a relatively long, narrow pipe without any portion of the apparatus contacting the interior of the pipe has been provided, and comprises a mobile vehicle carrying a traveling boom on which is mounted a coating or spraying device for coating the pipe, an adjustment mechanism for moving the boom relative to the vehicle and to align the boom with the pipe, and a driving and supporting mechanism for the boom which drives and also supports the boom as it moves into and out of the relatively long, narrow pipe. In addition, several alternative embodiments of spraying devices for the coating apparatus are disclosed which eliminate or reduce "ghosting" or "shading" problems frequently experienced in coating such pipe.

REFERENCES:
patent: 2133329 (1938-10-01), Moore et al.
patent: 2970771 (1961-02-01), Przystawik
patent: 3106491 (1963-10-01), Leibner
patent: 3109262 (1963-11-01), Weaver et al.
patent: 3111431 (1963-11-01), Weaver
patent: 3276695 (1966-10-01), Giardino et al.
patent: 3351289 (1967-11-01), Demaison
patent: 3401988 (1968-09-01), Pingree
patent: 3439912 (1969-04-01), Berger
patent: 3459586 (1969-08-01), Kiwiet et al.
patent: 3827633 (1974-08-01), Kouno et al.

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