Manufacture of laminated assemblies

Details Manufacture of laminated assemblies Manufacture of laminated assemblies

1980-05-29

1983-01-04

Wityshyn, Michael G.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156105, 156106, 156107, 156286, 1563082, 1563084, 156382, 156497, 1565831, B29C 2706, B32B 3120, C03C 2712

Patent

active

043671080

ABSTRACT:
A laminate assembly having rigid sheets about a thermoplastic interlayer has interfacial surfaces evacuated and peripheral edges sealed by applying localized vacuum and heat to only the periphery and marginal edge portions. A flexible heating blanket having marginally embedded heating elements overlies the laminate assembly and is biased theretoward by a flexible channel-shaped ring. The channel-shaped ring establishes a conduit about the periphery of the laminate assembly which is evacuated to remove entrapped air, and the heating element is energized to bond and seal the marginal edge portions of the assembly.

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