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

1991-01-25

1992-03-17

Schroeder, Werner H.

Sewing

Special machines

Mattress sewing

112412, 1122621, D05B 2300

Patent

active

050958330

ABSTRACT:
A method and device are disclosed for forming reinforcement elements from resistant fibers distributed along three dimensions, in which method, 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: 1909434 (1933-05-01), Tervo
patent: 4080915 (1978-03-01), Bompard et al.
patent: 4506611 (1985-03-01), Parker et al.
patent: 4917756 (1990-04-01), Cahuzac et al.

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