Apparatus and method of making reflex molds

Details Apparatus and method of making reflex molds Apparatus and method of making reflex molds

1995-04-07

1997-03-11

Shafer, Ricky D.

Optical: systems and elements

Signal reflector

Including a curved refracting surface

359900, 295272, 65357, 65359, 72 47, 723792, 264 25, 4271634, 362326, G02B 5126, B29D 1100, F21V 500

Patent

active

056107625

ABSTRACT:
Method and apparatus is disclosed for manufacturing a reflex mold wherein a flexible or bendable, thin plate is provided for use in the manufacturing process. A reflex prism assembly is clamped together and metal is applied over the surface of the prisms to make a flat, thin layer of bendable material. A model of curvature is then provided and the thin layer is clamped on the model to assume the desired configuration. More metal is then applied over the back surface of the thin layer until sufficient thickness is obtained to make the reflex mold suitable to receive deposition of lens material for the production of a reflex lens.

REFERENCES:
patent: 1591572 (1926-07-01), Stimson
patent: 1906655 (1933-05-01), Stimson
patent: 2555191 (1951-05-01), Haggart, Jr,
patent: 3258840 (1966-07-01), Hedgewick et al.
patent: 3607992 (1971-09-01), Scheiding
patent: 3632695 (1972-01-01), Howell
patent: 4368951 (1983-01-01), Blom
patent: 4406045 (1983-09-01), Schwab
patent: 5071597 (1991-12-01), D'Amato et al.

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