Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Reexamination Certificate
2007-11-20
2007-11-20
Loney, Donald J. (Department: 1772)
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
C428S690000, C428S914000, C362S146000, C362S481000, C250S462100, C198S335000, C198S337000, C187S391000
Reexamination Certificate
active
10734321
ABSTRACT:
A method of applying photo-luminescent pigment to a substrate, such as an aluminum or metal strip containing channels or depressions, includes preparing a dry powder formulation including a photo-luminescent pigment and a carrier/fixer, depositing the dry powder formulation onto the substrate surface, and heating to fuse the dry powder formulation to the substrate surface. The photo-luminescent pigment can be applied using an apparatus which includes a hopper adapted to contain a dry powder formulation, one or more orifices adapted to allow transfer of the dry powder formulation from the hopper to a substrate surface and a guide rail system for locating the substrate surface in both a fixed horizontal plane and a fixed vertical plane below the hopper and orifice.
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Dimond George Trevor
Sapsford Paul Rodney
Ecoglo Limited
Greer Burns & Crain Ltd.
Loney Donald J.
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