Structural element having a high stress discontinuity and a fibe

Details Structural element having a high stress discontinuity and a fibe Structural element having a high stress discontinuity and a fibe

1994-12-14

1997-04-08

Choi, Kathleen

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Woven fabric

Woven fabric is characterized by a particular or...

428 641, 428 662, 428 666, 428222, 192107M, 188251A, 188251R, D03D 300

Patent

active

056186134

ABSTRACT:
A fiber reinforcing mat is used proximate a through hole in an automotive structural element in order to reinforce the element in the area approximate the through hole. The fiber reinforcing mat is comprised of a warp having a plurality of radially extending loops and a weft which is woven through the loops in a spiral fashion. Since the weft is configured as a spiral, weft material is more dense in the area close to the through hole than in the area distal of the through hole. Consequently, the stiffness of the structural element decreases gradually in radial directions away from the through hole.

REFERENCES:
patent: 2113261 (1938-04-01), Walters
patent: 3639197 (1972-02-01), Spain
patent: 3759353 (1973-09-01), Marin
patent: 3936552 (1976-02-01), Krupp et al.
patent: 4002225 (1977-01-01), Mariu
patent: 4063684 (1977-12-01), O'Brien et al.
patent: 4244585 (1981-01-01), Croll
patent: 4542056 (1985-09-01), Anglin et al.
patent: 4697324 (1987-10-01), Grant et al.
patent: 4725485 (1988-02-01), Hirokawa
The English translation of French Patent, 1,139, 574.
Fairchild's Dictionary of Textiles, ed. Wingate. Fairchild Publications, Inc, New York 1959, pp. 227, 228, 631 & 637.

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