Textiles: manufacturing – Textile product fabrication or treatment – Fiber entangling and interlocking
Patent
1995-10-04
2000-02-29
Cole, Elizabeth M.
Textiles: manufacturing
Textile product fabrication or treatment
Fiber entangling and interlocking
28103, 28114, 156148, 442 54, B32B 506
Patent
active
060293276
ABSTRACT:
The invention relates to the field of forming fibrous structures by needling processes. A process is provided for achieving a desired Z-fiber distribution in a fibrous structure by controlling transport depth during formation of the fibrous structure in a series of needling passes. Each needling pass generates a portion of Z-fiber bundles that penetrate adjacent fibrous layers, the Z-fiber bundles penetrating only those adjacent fibrous layers that need more Z-fiber bundles to attain a predetermined number of Z-fiber bundles within each fibrous layer.
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Liew Ronnie Sze-Heng
Sheehan Philip William
Cole Elizabeth M.
Leffel Kevin L.
Ronyak David M.
Singh Arti
The B.F. Goodrich Company
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