Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Reexamination Certificate
2007-02-13
2010-02-02
Wyrozebski, Kat (Department: 1791)
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
C264S219000, C264S256000, C004S622000
Reexamination Certificate
active
07655167
ABSTRACT:
Methods are disclosed for making a base of a spa apparatus to resemble artificial rocks and wood. In one embodiment, the method is comprised of the following steps: making a mold in which its inner surface has the shape and surface texture of a rock or wood; placing a first structure on the inner surface of the mold, the first structure being operative to prevent warping of the base; spraying polymer on the mold; allowing the polymer to harden; and removing the hardened polymer from the mold, the hardened polymer having substantially the shape and surface texture of rock or wood.
REFERENCES:
patent: 4668451 (1987-05-01), Langson
patent: 2004/0028909 (2004-02-01), Hodgson et al.
patent: 2006/0057393 (2006-03-01), Reisch et al.
patent: 2007/0226897 (2007-10-01), Fugate
patent: 2008/0010741 (2008-01-01), Ton et al.
Duane Morris LLP
Grun Robert J
Wyrozebski Kat
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