Stock material or miscellaneous articles – Structurally defined web or sheet – Including grain – strips – or filamentary elements in...
Reexamination Certificate
2005-05-17
2005-05-17
Singh, Arti R. (Department: 1771)
Stock material or miscellaneous articles
Structurally defined web or sheet
Including grain, strips, or filamentary elements in...
C002S002500, C428S105000, C428S112000, C428S219000, C428S294700, C442S134000, C442S135000, C442S239000, C442S255000, C442S261000, C442S286000, C264S241000, C264S250000, C264S263000
Reexamination Certificate
active
06893704
ABSTRACT:
The invention relates to a ballistic-resistant moulded article containing a compressed stack of monolayers, with each monolayer containing unidirectionally oriented reinforcing fibers and at most 30 wt. % of a plastic matrix material and with the fiber direction in each monolayer being rotated with respect to the fiber direction in an adjacent monolayer, characterized in that the density (ρp) of the compressed stack is at least 98.0% of the theoretical maximum density. The invention also relates to a process for manufacturing the moulded article.The ballistic-resistant article may be used in, for instance, helmets, as inserts in bullet-proof vests, as armoring on military vehicles and in ballistic-resistant panels.
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DSM IP Assets B.V.
Mayer Brown Rowe & Maw LLP
Singh Arti R.
LandOfFree
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