Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1977-11-25
1979-02-20
Drummond, Douglas J.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156232, 156235, 156241, 156289, 156330, 427162, B32B 110, B29D 1100
Patent
active
041405676
ABSTRACT:
A method resulting from proper use of 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 cementitious material which is used for the cementing operation compensates for discrepancies in manufacturing tolerances of either the mirror blanks or the binocular shell.
REFERENCES:
patent: 1973101 (1934-09-01), Ready
patent: 2424283 (1947-07-01), Miles
patent: 3052969 (1962-09-01), Loven
patent: 3306767 (1967-02-01), Snyder
patent: 3743566 (1973-07-01), Louthan et al.
patent: 3918792 (1975-11-01), Beecher
patent: 4061518 (1977-12-01), Burroughs et al.
Bokan Thomas
Drummond Douglas J.
Gerlach Norman H.
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