Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1990-09-26
1992-05-19
Weston, Caleb
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
1563086, 1563099, 156322, 156324, 427 39, 427223, 427318, 427327, 427409, 427444, B32B 3124
Patent
active
051145103
ABSTRACT:
A lightweight structural panel is formed by subjecting a surface of a metal cover sheet to an oxidizing treatment to remove any foreign substances thereon, applying an adhesive layer to a core member, and bonding the treated surface of the metal cover sheet to the adhesive layer on the core member. Preferably, the oxidizing treatment is by electron plasma surface treatment for a period of time sufficient to oxidize any oil, chemical film, or rust on the surface of the metal sheet. The core member is made of a plastic material which may also be subjected to electron plasma surface treatment. The metal cover sheet may instead be flame-treated, or treated with oxidizing chemicals such as hydrazine. Metal cover sheets may be bonded on both sides of the plastic core.
REFERENCES:
patent: 2545370 (1951-03-01), Mittelmann
patent: 3075868 (1963-01-01), Long
patent: 3451871 (1969-06-01), Bauer et al.
patent: 3773600 (1973-11-01), Rudnev
patent: 3924035 (1975-12-01), Miller
patent: 4396450 (1983-08-01), Blenner et al.
patent: 4524089 (1985-06-01), Hague et al.
patent: 4622237 (1986-11-01), Lori
Sommer Evelyn M.
Weston Caleb
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