Laminated lens structure

Details Laminated lens structure Laminated lens structure

1989-03-20

1991-11-12

Ryan, Patrick J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428213, 428215, 428415, 428417, 428428, 428429, 4284735, 428414, 351163, 351166, 351177, B32B 2738, G02C 710

Patent

active

050647121

ABSTRACT:
There is disclosed an improvement of the three layer laminated lens structure of U.S. Pat. No. 4,793,703 whereby the adhesive inerlayer is more tightly bonded to the outer plastic and glass layers by reactive groups on the surfaces of each layer. This controls a problem of delayed delamination.

REFERENCES:
patent: 2705223 (1955-03-01), Renfrew et al.
patent: 3341399 (1967-09-01), Hazdra et al.
patent: 3391053 (1968-07-01), Kolb
patent: 4230769 (1980-10-01), Goossens
patent: 4487805 (1984-12-01), Sellstrom
patent: 4679918 (1987-07-01), Ace
patent: 4728384 (1988-03-01), Goel
patent: 4735830 (1988-04-01), Oezelli et al.
patent: 4793703 (1988-12-01), Fretz
patent: 4883548 (1989-11-01), Onoki

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