Composite panel structure

Details Composite panel structure Composite panel structure

1989-02-15

1989-11-07

Epstein, Henry F.

Stock material or miscellaneous articles

Sheet including cover or casing

Including elements cooperating to form cells

156286, 428116, 428117, 428118, B32B 312

Patent

active

048791520

ABSTRACT:
The invention includes a composite panel and a method for manufacturing it. The panel has a smooth polyester plastic face, a first fiberglass reinforced polyester layer adjacent to the smooth face, a honeycomb structure core of polypropylene plastic with one face adhered to the first polyester layer, and a second fiberglass reinforced polyester layer adhered to the second face of the core. The panel is manufactured by assembling the components in a series of steps and curing the polyester layers in sequence on a flat horizontal mold.

REFERENCES:
patent: 2833004 (1958-05-01), Johnson et al.
patent: 2839442 (1958-06-01), Whitaker
patent: 3575756 (1971-04-01), Maus
patent: 3630813 (1971-12-01), Allen
patent: 3703422 (1972-11-01), Yoshino
patent: 3970324 (1976-07-01), Howat
patent: 4315050 (1982-02-01), Rourke
patent: 4353947 (1982-10-01), Northcutt
patent: 4478659 (1984-10-01), Hall

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