Fluid sprinkling – spraying – and diffusing – Combining of separately supplied fluids
Reexamination Certificate
2007-12-11
2007-12-11
Nguyen, Dinh Q. (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Combining of separately supplied fluids
C239S408000, C239S415000, C239S433000, C239S434500
Reexamination Certificate
active
10551915
ABSTRACT:
A plural component spray gun (10) is designed for spraying quick setting materials such as foams and the like. A mix module (14) plastic material provides at least twice the life with ½ the wear of currently marketed mix modules and is made of poly ether ether ketone reinforced with graphite and PTFE lubricants.
REFERENCES:
patent: 4925101 (1990-05-01), Konieczynski et al.
patent: 4955544 (1990-09-01), Kopp
patent: 6264113 (2001-07-01), Dingler
patent: 6808310 (2004-10-01), Ooitsu et al.
Anderson Richard D.
Weinberger Mark T.
Farrow Douglas B.
Graco Minnesota Inc.
Nguyen Dinh Q.
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