Novel compositions

Details Novel compositions Novel compositions

1967-10-26

1977-12-06

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428310, 428312, 428315, 428424, 428425, 89 36R, F41H 102, F41H 504, B32B 524

Patent

active

040618153

ABSTRACT:
Laminated sheet material, having high impact resistance suitable for use in constructional applications requiring high strength and resistance to deformation particularly for military usage such as armor plate, is obtained by sandwiching one or more layers of polyurethane, cellular or non-cellular, between a rigid, high impact resistant sheet of material (especially aluminum armor plate and fiberglass) in the one face and a thin retaining skin on the other. Optionally, a filler (ceramic, particulate refractory, or strip metal) is embedded in the polyurethane layer(s). Said laminates have significantly lower weight than hitherto known materials and additionally are more easily fabricated and shaped.

REFERENCES:
patent: 2723214 (1955-11-01), Meyer
patent: 3444033 (1969-05-01), King
patent: 3509015 (1970-04-01), Wismer et al.
patent: 3522142 (1970-07-01), Wismer et al.

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