Weaving device with practile fluid handling
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United States of America Patent
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-
Feb 8, 2000
Grant Date -
N/A
app pub date -
Sep 30, 1997
filing date -
Oct 2, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A weaving device utilizing a projectile and a pressurized medium to guide the projectile as it transports a weft thread from a supply spool through a section of warp threads. A device is also used to introduce and decelerate the projectile. The pressurized medium passes through outlet openings in a plurality of spaced apart guides and moves the projectile by acting upon a plurality of annular recesses on the surface of these projectiles. Further, as the pressurized medium strikes these annular recesses, a pressure build up takes place in the spaces of the annular recesses to create a boundary of air which reduces friction between the projectile and the guides, and which increases the stability of the projectile.
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