Fiber-reinforced sheet, and process and apparatus for fabricating the same
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United States of America Patent
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Issued Date -
Aug 24, 2006
app pub date -
Feb 17, 2006
filing date -
Feb 18, 2005
priority date (Note) -
Abandoned
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Abstract
A fiber-reinforced sheet comprises a first fiber sheet having a fiber bundle arranged and arrayed in one direction and arranged along the longitudinal direction of the fiber-reinforced sheet. The fiber bundle is so folded back at an inclination of a winding angle of .theta. degrees that the first fiber sheet is helically wound on the fiber-reinforced sheet. The fiber-reinforced sheet has three layers including: the first fiber sheet having the fiber bundle at an angle of 0 degrees with respect to the longitudinal direction; a second fiber sheet at an angle of +.theta. degrees; and a third fiber sheet at an angle of -.theta. degrees.
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