Method for the needling of material webs

Details Method for the needling of material webs Method for the needling of material webs

1995-06-28

1996-07-09

Calvert, John J.

Textiles: manufacturing

Textile product fabrication or treatment

Fiber entangling and interlocking

28111, 28113, 28114, D04H 1800, D04H 146, D04H 310, D05C 1508

Patent

active

055332420

ABSTRACT:
The material web is guided at a predetermined speed over a plurality of needle rollers rotating about their longitudinal axis and arranged transversely to the direction of movement of the material web. The material web covers part of the surface of each of the needle rollers. The circumferential speed of the needle rollers is set relative to the speed of the material web in such a way that the desired amount of needling, with adjustable longitudinal stretching, is obtained.

REFERENCES:
patent: 787095 (1911-04-01), Greene
patent: 1002738 (1911-09-01), Mundorf
patent: 3369435 (1968-02-01), Boultinghouse
patent: 3372447 (1968-03-01), Williams et al.
patent: 3526349 (1970-09-01), Moro
patent: 3909891 (1975-10-01), Dilo
patent: 4856152 (1989-08-01), Kis
patent: 4922589 (1990-05-01), Busch

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