Fiber-reinforced composite materials structures and methods of m

Details Fiber-reinforced composite materials structures and methods of m Fiber-reinforced composite materials structures and methods of m

1998-07-09

2000-08-15

Thomas, Alexander

Stock material or miscellaneous articles

Structurally defined web or sheet

Including sheet or component perpendicular to plane of web...

428102, 428223, 156 92, 156 93, 523091, B32B 512

Patent

active

061033375

ABSTRACT:
Reinforcement preforms and methods for making same for use in fiber-reinforced composite materials structures are disclosed, in which the reinforcement preforms comprise first and second reinforcement preform elements which include strength reinforcement fibers that are in desired directional orientation. The first element has a cross-fiber surface which extends transverse of its constituent strength reinforcement fibers and is in contacting juxtaposition to a selected surface region of the second element, forming an abutment therebetween. Abutment strength reinforcing fibers, which may optionally be introduced in situ by a continuum of fibers, such as a yarn or thread, extend through at least a portion of said second element and its said selected surface region, the abutment, said cross-fiber edge surface, and into the first element substantially in the direction of orientation to its constituent strength fibers to which its cross-fiber surface is transverse.

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