Impact resistant laminate

Details Impact resistant laminate Impact resistant laminate

1978-10-19

1980-04-15

Kendell, Lorraine T.

Stock material or miscellaneous articles

Composite

Of polycarbonate

428447, 428448, 428911, B32B 904, B32B 2736

Patent

active

041984684

ABSTRACT:
Improved impact or shock resistant laminates are provided comprising a plurality of laminae including a back polycarbonate lamina of controlled thickness opposite the direction of impact or shock, a front polycarbonate lamina facing the direction of impact or shock, and at least one acrylic resin lamina intermediate said back and front polycarbonate laminae, said polycarbonate laminae having a relatively brittle overlayer or coating on the outer surfaces thereof opposite said intermediate acrylic based lamina.

REFERENCES:
patent: 3189662 (1965-06-01), Vaughn, Jr.
patent: 3396075 (1968-08-01), Morris
patent: 3520768 (1970-07-01), Peilstocker et al.
patent: 3594264 (1971-07-01), Urban
patent: 3622440 (1971-11-01), Snedeker
patent: 3624238 (1971-11-01), McKenzie
patent: 3657057 (1972-04-01), Shorr
patent: 3666614 (1972-05-01), Snedeker et al.
patent: 3681167 (1972-08-01), Moore
patent: 3707397 (1972-12-01), Gagnon
patent: 3764457 (1973-10-01), Chang et al.
patent: 3810815 (1974-05-01), Welhart et al.
patent: 3832419 (1974-08-01), Merritt, Jr.
patent: 4027072 (1977-05-01), Molari, Jr.

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