Segmented slot die for air spray of fibers
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United States of America Patent
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Jun 6, 1995
Grant Date -
N/A
app pub date -
Jul 8, 1992
filing date -
Jul 8, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A slot die for producing a fibrous web of adhesive material includes a segmented shim having a plurality of fingers in said slat dividing adhesive material into a plurality of adhesive streams. The fingers have tapered ends which are flush with or extend slightly beyond the slot nozzle outlet. Separate material streams emanate from the slot nozzle outlet where they merge and are engaged by air flow producing a fibrous web of adhesive material. The adhesive and air flow are started and stopped at intervals to produce discrete fibrous webs having square, sharp leading and trailing edges.
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Cited Art Landscape
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