Multiple width fiber strip and method and apparatus for its production
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United States of America Patent
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-
Jan 19, 1999
Issued Date -
N/A
app pub date -
Jan 2, 1997
filing date -
Jun 18, 1993
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus for the production of a multiple width fiber strip consisting of crimped interlaced filaments and having several zones extending in longitudinal direction of the fiber strip as well as at least one predetermined tear line (4) extending in longitudinal direction of the fiber strip, wherein the tear strength (daN) of the fiber strip, referred to the total denier (dtex) is at least about 1.7.times.10.sup.-4 daN/dtex, has a pair of transport rolls (8,9) for jointly transporting the supplied bands (1,2) and a crimping chamber (10.1, 10.1, 11, 12, 13, 14) which is arranged downstream of the pair of transport rolls (8, 9).
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