Pipe treatment apparatus

Details Pipe treatment apparatus Pipe treatment apparatus

2009-03-05

2011-11-22

Yuan, Dah-Wei (Department: 1717)

Coating apparatus

Projection or spray type

Inside of hollow work

C118S306000, C118S317000, C118S320000, C118S323000

Reexamination Certificate

active

08061296

ABSTRACT:
The pipe treatment apparatus rotates a pipe to be treated, from the pipe exterior. The apparatus provides easy adaptation to varied pipe lengths and pipe diameters. The blast nozzle delivers blast media to the pipe interior to clean and prepare the interior for coating. The spray head delivers various chosen coatings to the pipe interior. The blast nozzle and spray head are easily installed and removed. The trolley and telescopic member with c-channel, along with the longitudinal drive motor with drive roller propel either the blast nozzle or spray nozzle into, within, and out of the pipe, as the rotational motor and transverse rollers turn the pipe from the pipe exterior. The apparatus therefore provides a basic design with which pipe can be both cleaned and coated within.

REFERENCES:
patent: 2303088 (1942-11-01), Perkins
patent: 3109262 (1963-11-01), Weaver et al.
patent: 3858552 (1975-01-01), Takata et al.
patent: 4036173 (1977-07-01), Nicklas
patent: D269013 (1983-05-01), Tutton
patent: 4557079 (1985-12-01), Sheesley
patent: 4995201 (1991-02-01), von Borcke et al.
patent: 5239786 (1993-08-01), Carpenter
patent: D347498 (1994-05-01), Cannon
patent: 6514346 (2003-02-01), Nichols
patent: 6699324 (2004-03-01), Berdin et al.
patent: 6916502 (2005-07-01), Moore et al.

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