Contoured balsa-core laminate

Details Contoured balsa-core laminate Contoured balsa-core laminate

1980-10-16

1984-07-24

Thomas, Alexander

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156327, 156330, B32B 3120

Patent

active

044616660

ABSTRACT:
A contoured structural laminate formed of thin facings bonded to an end-grain balsa wood core. The laminate is produced by first bonding a liner of end-grain balsa to each facing to create front and rear plies. The exposed surfaces of the liners are then wet coated with a bonding solution, and the two plies with their coated liners in face-to-face relation are placed in a forming press which causes the front ply to assume a concave-like formation and the rear ply a complementary convex-like formation. During forming, the wet interface of the liners affords slip freedom. When the bonding agent dries and cures in the press, the plies are permanently laminated together to form the desired contoured structure.

REFERENCES:
patent: 2365334 (1944-12-01), De Vries
patent: 2890148 (1959-06-01), Dede
patent: 3298892 (1967-01-01), Lippay
patent: 3325037 (1967-06-01), Kohn et al.
patent: 4184905 (1980-01-01), Ogata et al.

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