Method and apparatus for generating and depositing adhesives and other thermoplastics in swirls
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United States of America Patent
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-
Apr 7, 1992
Grant Date -
N/A
app pub date -
Jun 26, 1990
filing date -
Jun 26, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A nozzle assembly and method for delivering swirls of a thermoplastic melt to a substrate operate on the principle of contacting a thermoplastic spun filament with swirling air to impart a circular swirling expanding cone pattern to the filament. The swirling filament is deposited on a substrate or collector as circular beads.
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