Method of forming variable cross-sectional shaped three-dimensio

Details Method of forming variable cross-sectional shaped three-dimensio Method of forming variable cross-sectional shaped three-dimensio

1990-08-29

1992-02-04

Falik, Andrew M.

Textiles: weaving

Special-type looms

Multiple-shed

139 11, 139DIG1, D03D 4100, D03D 4704, D03D 1300

Patent

active

050852523

ABSTRACT:
Method of weaving a variable cross-sectional shaped three-dimensional fabric which utilizes different weft yarn insertion from at least one side of the warp layers for selectively inserting weft yarns into different portions of the fabric cross-sectional profile defined by the warp yarn layers during the weaving process. If inserted from both sides of the warp yarn layers, the weft yarns may be inserted simultaneously or alternately from each side of the warp yarn layers. The vertical yarn is then inserted into the fabric by reciprocation of a plurality of harnesses which separate the vertical yarn into a plurality of vertical yarn systems as required by the shape of the three-dimensional fabric being formed.

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M. Mohamed and Z. Zhang, "Weaving of 3-D Preforms", Fibertex Conference, Greenville, S.C., (Sep. 13-15, 1988).
M. Mohamed, Z. Zhang, "Manufacture of Multi-Layer Woven Preforms", The American Society of Mechanical Engineers, 81-99 (Nov.-Dec., 1988).
M. Mohamed, Z. Zhang and L. Dickinson, "3-D Weaving of Net Shapes", The Japaneses International Sampe Symposium, 1487-1494 (Nov. 28-Dec. 1, 1989).

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