Method and device for producing reinforcement elements formed of

Details Method and device for producing reinforcement elements formed of Method and device for producing reinforcement elements formed of

1993-04-14

1994-09-27

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including stitching and discrete fastener, coating or bond

428108, 428113, 428300, 428902, 28108, 112412, 112440, B32B 522, B32B 708, D05B 9300

Patent

active

053506154

ABSTRACT:
A method and device are disclosed for forming reinforcement element formed of fibers distributed along three dimensions, wherein, a continuous fiber is introduced in a substrate resting on a support formed of such fibers crossed in at least two directions, by stitching, from the free face of said substrate opposite said support by means of a needle driven with a reciprocal movement, a relative movement being in addition generated between said support and said needle so that said continuous fiber is formed inside said substrate of a succession of consecutive segments forming a zig-zag line.
The invention is remarkable in that:

REFERENCES:
patent: 3322868 (1963-07-01), Kruse et al.
patent: 3488250 (1970-01-01), Zocher
patent: 3950587 (1976-04-01), Colijn et al.
patent: 4863660 (1989-09-01), Cahuzac et al.

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