Melt blown product formed as a fibrous layered web of filter media
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United States of America Patent
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-
Nov 2, 1999
Issued Date -
N/A
app pub date -
Nov 18, 1998
filing date -
Jul 8, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A product wherein a layered web of melt blown fibrous filter media is produced by a unitary die including several die sources with facing layers of the fibrous filter media being attenuated by opposed fluid streams at preselected included angles and with the fiber layers being free from bonding together and with the fibers in each layer being minimally bonded.
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