Composite panel

Details Composite panel Composite panel

1997-06-24

1999-07-06

Epstein, Henry F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Honeycomb-like

156196, 156197, B32B 312

Patent

active

059195452

ABSTRACT:
A composite panel comprising a core (12) and at least one outer sheet (14) which is adhesively bonded to the core is such that the composite panel (10) is shape-formed creating at least one radius of bending (24b) in the outer layer (14). The core (12) has a cellular structure and is bonded to the outer layer (14) at least by one visco-elastic adhesive layer (16) applied over the entire inner surface of the outer layer (14). The combination of the honeycomb structure of the core and the adhesive layer with the mentioned properties attaching the core to the outer sheet leads to a composite panel that may be shaped quickly and at favorable cost, without the outer layers being damaged or the stength being significantly reduced. As a result of the large area visco-elastic bonding a higher resistance to delamination, debonding due to vibration, corrosion and moisture is achieved.

REFERENCES:
patent: 3196533 (1965-07-01), Ida et al.
patent: 3890108 (1975-06-01), Welsh
patent: 4468431 (1984-08-01), Okey
patent: 4917747 (1990-04-01), Chin et al.
PCT WO-8806970.
PCT WO-9607492.
Japanese Abstracts, vol. 14, No. 407 M-1019 Sep. 4, 1990.
Japanese Abstracts, vol. 15, No. 17-C-0796 Jan. 14, 1991.
Japanese Abstracts, vol. 15, No. 174-M-1109 May 2, 1991.

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