Process and apparatus for needling a non-woven strip to a revolv

Details Process and apparatus for needling a non-woven strip to a revolv Process and apparatus for needling a non-woven strip to a revolv

1989-11-16

1990-10-16

Schroeder, Werner H.

Textiles: manufacturing

Textile product fabrication or treatment

Fiber entangling and interlocking

D04H 1800

Patent

active

049625764

ABSTRACT:
In a process in which a non-woven strip is needled to a revolving endless carrier web, adjacent convolutions of the non-woven strip should exactly adjoin each other. For that purpose each convolution of the non-woven strip is initially needled to the carrier web with the exception of a marginal portion, which constitutes a free longitudinal edge, and that marginal portion is needled after the position and direction of the free longitudinal edge have been detected.

REFERENCES:
patent: 4614969 (1986-09-01), Gerundt et al.

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