Making opacified pearlescent multilayer louver for vertical blin

Details Making opacified pearlescent multilayer louver for vertical blin Making opacified pearlescent multilayer louver for vertical blin

1992-03-25

1993-03-16

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

Applying indicia or design

264171, 427209, B29C 4704

Patent

active

051942097

ABSTRACT:
A process for making an elongate louver or assembly of louvers having an improved multi-layer louver configuration the improvement providing combining a base layer with an opacified pearlescent outer layer having a claimed range of opacity which substantially or completely occludes an base layer, the increased opacity substantially reduces or eliminates perceptible non-uniformity in coloration, shade change and thickness of the outer layer, while improving resistance to yellowing, processing characteristics, and raw material cost economics.

REFERENCES:
patent: 3444031 (1969-05-01), Schrenk
patent: 4780364 (1988-10-01), Wade et al.
patent: 4789515 (1988-12-01), Yu
patent: 4792427 (1988-12-01), Reeves
patent: 4842036 (1989-06-01), Goodman
patent: 4877077 (1989-10-01), Ebert
patent: 4884616 (1989-12-01), Setele

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