Method for intermittently applying particulate powder to a fibrous substrate
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United States of America Patent
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Mar 25, 1997
Issued Date -
N/A
app pub date -
Mar 10, 1995
filing date -
Dec 12, 1991
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Abstract
A method for applying particulate powder material to a moving, pre-formed, fibrous substrate. In this method, particulate powder material is entrained in a continuous airstream. The air-entrained stream of particulate material exits a nozzle to be applied to the substrate or recirculated. The stream of air-entrained particulate matter has a velocity component in the direction of movement of the fibrous substrate.
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