Sandwich structures having improved impact resistance

Details Sandwich structures having improved impact resistance Sandwich structures having improved impact resistance

1987-07-16

1989-09-12

Swisher, Nancy A. B.

Stock material or miscellaneous articles

Surface property or characteristic of web, sheet or block

428410, 428437, 428902, B32B 1504

Patent

active

048659185

ABSTRACT:
A sandwich structure having an improved impact resistance comprises two outer plates and an intermediate layer interposed therebetween. The intermediate layer is comprised of plural films having a bonding force therebetween lower than that between intermediate layer and outer plate.

REFERENCES:
patent: 2176997 (1939-10-01), Marini
patent: 2202160 (1940-05-01), Marks
patent: 2837454 (1958-06-01), Watkins et al.
patent: 3458388 (1969-07-01), Moynihan
patent: 4293615 (1981-10-01), Bowen et al.
patent: 4663235 (1987-05-01), Fock et al.
patent: 4683172 (1987-07-01), Le Grand et al.

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