Tubular composite structural parts having clamp area configuration to prevent cracking under clamping stress
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United States of America Patent
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Jan 23, 2001
Grant Date -
N/A
app pub date -
Jul 14, 1999
filing date -
Jul 14, 1999
priority date (Note) -
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Abstract
A tubular structural part made of composite material such as carbon strand reinforced epoxy resin is provided with an elongated flat area along the outer surface of the tubular part to avoid cracking of the part when the part is telescopically engaged with and clamped in an outer tube part. The flat clamp side area of the inner tube part prevents contact between the facing edges of an elongate split in the outer tube part which are drawn together during clamping so that the edges of the outer tube part are prevented from coming into contact with and thus gouging the outer surface of the composite tube causing cracks and eventual structural failure of the inner tube.
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