Stiff panel having composite stiffeners with reduced shock...

Details Stiff panel having composite stiffeners with reduced shock... Stiff panel having composite stiffeners with reduced shock...

2007-06-21

2010-10-19

Chilcot, Jr., Richard E (Department: 3635)

Static structures (e.g., buildings)

Composite prefabricated panel including adjunctive means

Having separate attached, elongated edging or stiffener

C052S573100, C052S783180, C052S798100, C052S799110, C052S783190, C296S146600

Reexamination Certificate

active

07814729

ABSTRACT:
A stiff panel (1) comprises a skin (2) and at least one stiffener (3) of composite material on said skin. Free surface (311) of web (31) of stiffener (3) on the stiff panel according to the invention comprises a deformable core (33) and a covering (34) which covers core (33) and joins said core with structural part (35) of web (31). The width of core (33) is equal to or greater than the width of structural part (35) of web (31) of stiffener (3), depending on the shock energy against which panel (1) must be protected.

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Sinha, Anil Kumar. Physical Metallurgy Handbook. 2003. (pp. 1.20-1.21). McGraw-Hill. <http://knovel.com/web/portal/browse/display?—EXT—KNOVEL—DISPLAY—bookid=1545&VerticalID=0>.

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