Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Reexamination Certificate
2011-06-21
2011-06-21
O'Hern, Brent T (Department: 1783)
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
C139S38300A, C156S164000, C156S194000, C156S304600, C428S107000, C428S213000, C428S364000, C442S135000
Reexamination Certificate
active
07964267
ABSTRACT:
A ballistic-resistant panel in which the entire panel or a strike-face portion thereof is formed of a plurality of sheets of high modulus high molecular weight polyethylene tape. The sheets of high modulus polyethylene tape can be in the form of cross-plied laminated layers of tape strips or a woven fabric of tape strips. The strips of UHMWPE tape include a width of at least one inch and a modulus of greater than 1400 grams per denier. The ballistic-resistant panel may include a backing layer of conventional high modulus fibers embedded in resin. A wide variety of adhesives were found acceptable for bonding the cross-plied layers of high modulus polyethylene tape together for forming the ballistic-resistant panels of the present invention.
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Harding Kenneth C.
Lyons Fielder Stanton
Mears Jeffrey A.
Mitchell Joseph
Owen Lisa
BAE Systems Tensylon H.P.M., Inc.
O'Hern Brent T
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