Impact resistant laminate

Details Impact resistant laminate Impact resistant laminate

1980-06-11

1982-05-04

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428336, 428335, 428911, 428412, B32B 2736, B32B 702

Patent

active

043282776

ABSTRACT:
Improved impact or shock resistant laminates comprising a plurality of laminae including a back polycarbonate lamina opposite the direction of impact or shock, such polycarbonate lamina having a relatively brittle overlying or exposed layer or coating opposite the direction of impact, are provided by controlling the thickness of the coated polycarbonate layer opposite the impact or shock receiving surface, such control reducing failure and spalling of the polycarbonate surface opposite the impact or shock receiving surface.

REFERENCES:
patent: 3549476 (1970-06-01), Dietzel et al.
patent: 3622440 (1971-11-01), Snedeker et al.
patent: 3832419 (1974-07-01), Merritt
patent: 4027072 (1977-05-01), Molari

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