Device for needling a prebonded web

Details Device for needling a prebonded web Device for needling a prebonded web

1997-04-10

1998-09-29

Crowder, C. D.

Textiles: manufacturing

Textile product fabrication or treatment

Fiber entangling and interlocking

28107, 28115, D04H 1800

Patent

active

058131019

ABSTRACT:
A device for needling a prebonded web (1), comprises at least one needle board (3) reciprocatingly movable in a needling direction, and a web support (2) disposed opposite the needle board (3) between a feed roller (7) and a discharge roller (8). To avoid a stripper it is proposed that the needle board (3) be disposed directly opposite the web support (2), that the web support be provided with a continuous convex curvature in direction of web movement (6), and that the discharge rate of the discharge roller (8) exceed the feed rate of the feed roller (7).

REFERENCES:
patent: 3010178 (1961-11-01), Rust
patent: 4378618 (1983-04-01), Dilo
patent: 5016331 (1991-05-01), Dilo
patent: 5551134 (1996-09-01), Fehrer

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