Vacuum cleaner bag with electrostatically charged meltblown layer
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United States of America Patent
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Apr 26, 1994
Issued Date -
N/A
app pub date -
Jul 1, 1992
filing date -
Mar 22, 1991
priority date (Note) -
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status (Latency Note)
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Abstract
This invention relates to a vacuum cleaner filter having an outer textile fabric material laminated to a non-woven composite material. The composite material comprises an inner and an outer cover layer of a spun-bonded, non-woven web material, with at least one electrostatically charged intermediate meltblown layer sandwiched therebetween.
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