Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,... – Surface finishing
Patent
1992-06-11
1993-07-20
Woo, Jay H.
Plastic and nonmetallic article shaping or treating: processes
With severing, removing material from preform mechanically,...
Surface finishing
264160, 264294, 264339, B28B 1118
Patent
active
052290530
ABSTRACT:
The present invention involves a method for forming aquarium ornaments including the steps of providing a plastic sheet having a plurality of planar surfaces, cutting a strip from the plastic sheet of a predetermined width and having a plurality of lateral edges and a plurality of planar surfaces, roughening the lateral edges of the strip to form a pitted texture in the lateral edges, causing the strip to become pliable and bending the strip into a non-planar shape whereby an ornament is created having lateral edges with a pitted texture such that the edges refract and reflect ambient light to create a luminescent appearance.
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patent: 4292266 (1981-09-01), Weder et al.
patent: 5040489 (1991-08-01), Drake
Davis Robert B.
Polumbus Gary M.
Woo Jay H.
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