Method and apparatus for directing resin-impregnated tape
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United States of America Patent
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N/A
Issued Date -
Apr 6, 2006
app pub date -
Sep 22, 2005
filing date -
Sep 23, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and apparatus are provided for guiding and/or redirecting a filament tow or tape in an automated fiber placement process, through use of a gas bearing having a porous wall defining an internal guide, and/or a channel by means of which the tow or tape is routed and supported by a flow of pressurized gas, such as air or nitrogen, that is fed through the porous wall to create a gas bearing effect for supporting, guiding, and redirecting the tow or tape within the tubular bushing in such a manner that contact between the tow or tape. A porous section of the gas bearing may be constructed layer-by-layer by a process such as stereolithography.
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