Multi-ply filter lasminate/composite for manufacturing vacuum cleaner filter bags
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United States of America Patent
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Aug 1, 1995
Grant Date -
N/A
app pub date -
Jul 21, 1993
filing date -
Jul 21, 1993
priority date (Note) -
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status (Latency Note)
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Abstract
There is provided a multi-ply filter laminate/composite for manufacturing vacuum cleaner filter bags comprising at least one ply of filter paper and at least one ply of fine fiber web, wherein at least one ply of fine fiber web does not cover the whole width of the ply of filter paper bonded to it and thus there are formed one or two edge strip blanks on at least one ply of filter paper.
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