Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With work feeding or handling means
Patent
1977-11-23
1979-02-20
Powell, William A.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With work feeding or handling means
292813, 292815, 156579, 156581, B32B 110, B32B 3120
Patent
active
041405684
ABSTRACT:
A press-type mechanism by means of which reflective, mirror-forming layers in the form of coatings or conventional mirrors are transferred in pairs from right-angle master surfaces on prism-like blocks to right-angle mirror blanks, and the latter with the mirror-forming layers thereon are then delivered to the optical system of the shell of a binocular or like viewing instrument where they automatically become cemented in place so that the mirror-forming layers assume an accurate porro relationship. The existence of the epoxy or other cementitious material which is used for the cementing operation compensates for discrepancies in manufacturing tolerances of either the replicated mirror blanks or the binocular shell.
REFERENCES:
patent: 1973101 (1934-09-01), Ready
patent: 3052969 (1962-09-01), Loven
patent: 3743566 (1973-07-01), Louthan et al.
patent: 3918792 (1975-11-01), Beecher
Bokan Thomas
Gerlach Norman H.
Powell William A.
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