Apparatus and method for spraying maintenance enhancing...

Details Apparatus and method for spraying maintenance enhancing... Apparatus and method for spraying maintenance enhancing...

2004-11-23

2008-10-28

Tadesse, Yewebdar T (Department: 1792)

Coating apparatus

Projection or spray type

Work-supported and guided carriage

C118S323000, C118S313000, C118SDIG011, C015S104040, C134S199000

Reexamination Certificate

active

07442256

ABSTRACT:
Apparatus for spraying maintenance enhancing material onto the periphery of a tubular member positioned above a ground surface, that comprises means for generating spray onto the periphery of the tubular member; means for delivering maintenance enhancing material to the spray generating means; and means for positioning the spray generating means in such a way that the periphery of the tubular member is completely impinged by the spray issuing from each spray generating means and that a line corresponding to the shortest distance of a spray issuing from the spray generating means to the periphery of the tubular member is not necessarily colinear with the radius of the tubular member.

REFERENCES:
patent: 4989785 (1991-02-01), Walendowski
patent: 5199226 (1993-04-01), Rose
patent: 5361791 (1994-11-01), Chapman et al.
patent: 6461231 (2002-10-01), Taylor et al.

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