Apparatus and method for coating pipes

Coating apparatus – Projection or spray type – Work-supported and guided carriage

Reexamination Certificate

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Details

C118S050000, C118S302000, C118S323000, C118S326000, C118SDIG001, C427S427100, C427S427300

Reexamination Certificate

active

06881266

ABSTRACT:
Apparatus for spraying a coating onto the outside of a pipe includes a body for mounting on a pipe to be coated. A spray gun is mounted on the body such that it can move relative to the body to spray coating completely around the periphery of the pipe. The apparatus may include only a single spray gun which is able to travel in a 360 degree range of motion around the periphery of the pipe. The apparatus is particularty suited to coating girth welds of a pipeline.

REFERENCES:
patent: 4007705 (1977-02-01), Sherer et al.
patent: 4205694 (1980-06-01), Thompson et al.
patent: 4595607 (1986-06-01), Betteridge et al.
patent: 5207833 (1993-05-01), Hart
patent: 5520734 (1996-05-01), Taylor et al.
patent: 3827251 (1990-02-01), None
patent: 78 05089 (1978-09-01), None
patent: 2285592 (1995-07-01), None
patent: PCTGB00/04173 (2000-10-01), None

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