Coating processes – Solid particles or fibers applied – Plural particulate materials applied
Reexamination Certificate
2005-08-02
2005-08-02
Parker, Fred J. (Department: 1762)
Coating processes
Solid particles or fibers applied
Plural particulate materials applied
C427S202000, C427S370000, C427S397000
Reexamination Certificate
active
06923999
ABSTRACT:
A process for manufacturing ligneous material board with improved surface slip-resistance. The process includes an additional spreading station which spreads fine particles onto the upper and lower covering layers to obtain slip-resistant textured surfaces.
REFERENCES:
patent: 4109041 (1978-08-01), Tellman
patent: 4221758 (1980-09-01), Burkey et al.
patent: 6312632 (2001-11-01), Graf
patent: 197 18 770 (1998-11-01), None
patent: 197 18 771 (1998-11-01), None
Dieffenbacher GmbH + KG
Foley & Lardner LLP
Parker Fred J.
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