Sandwich construction and a method of making a sandwich construc

Details Sandwich construction and a method of making a sandwich construc Sandwich construction and a method of making a sandwich construc

1987-03-02

1989-05-02

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

156214, 156219, 428163, 428167, 428285, 428286, 428287, 4283166, 4283197, 428412, 4284735, 4284744, B32B 326, B32B 900, B32B 2734

Patent

active

048267236

ABSTRACT:
The invention relates to a sandwich construction comprising at least one layer of a thermoplastic synthetic foam having a fiber reinforced plastic sheet bonded to at least one surface thereof, and the softening temperature of the synthetic foam being different from the softening temperature of the synthetic material of the fiber reinforced plastic sheet.
Preferably, this layer is a core layer of fiber reinforced synthetic material having on both sides a layer of the thermoplastic synthetic foam, said core layer being provided on both surfaces with the fiber reinforced plastic sheet.

REFERENCES:
patent: 3841958 (1974-10-01), Delorme
patent: 3906137 (1975-09-01), Bauer
patent: 4188428 (1980-02-01), Wolf
patent: 4331725 (1982-05-01), Akao
patent: 4543289 (1985-09-01), Park

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