Manufacture of solar reflectors

Details Manufacture of solar reflectors Manufacture of solar reflectors

1976-11-22

1978-09-19

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

126270, 343912, F24J 302, H01Q 1514

Patent

active

041151771

ABSTRACT:
A tool is provided for manufacturing parabolic solar reflectors. The tool employs an improved smooth convex parabolic surface terminating in edges remote from the parabolic vertex which are preferably placed under elastic tension tending to draw the edges toward each other. The improved convex surface is a film of plastic coated with chromium metal on its exterior surface. A multiple layered thermosetting plastic reflector support is molded onto the convex surface of the tool. The reflector support is removed from the tool and a layer of aluminum is vacuum deposited onto the interior concave parabolic reflector surface.

REFERENCES:
patent: 2945233 (1960-07-01), Wild et al.
patent: 3119109 (1964-01-01), Miller et al.
patent: 3184210 (1965-05-01), Fassnacht et al.
patent: 3536800 (1970-10-01), Hubbard
patent: 3716869 (1973-02-01), Gould et al.
patent: 3855027 (1974-12-01), Erdmann et al.
patent: 3897294 (1975-07-01), MacTurk

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