Air-assisted introduction of fiber sliver before the nip of cale

Details Air-assisted introduction of fiber sliver before the nip of cale Air-assisted introduction of fiber sliver before the nip of cale

1996-04-04

1997-09-16

Calvert, John J.

Textiles: fiber preparation

Assembling

Formed silvers

19150, D01H 572, D01H 1304, D01G 1546

Patent

active

056666985

ABSTRACT:
A process and device are provided to introduce a fiber fleece through the nip of a pair of calendar rollers. Pressurized air is directed to a cylindrical segment of a sliver guiding system down stream from a tapered conical section so that the pressurized air draws the fiber fleece through the sliver guiding system without requiring lateral venting or expansion of the pressurized air. The pressurized air vents from the front end of the cylindrical section adjacent the nip of the pair of calendar rollers.

REFERENCES:
patent: 614819 (1898-11-01), Albasini
patent: 2996873 (1961-08-01), Armstrong
patent: 4372010 (1983-02-01), Gauvain
patent: 4575903 (1986-03-01), Gauvain
patent: 4763387 (1988-08-01), Bothner
patent: 4922580 (1990-05-01), Bothner et al.
patent: 4949431 (1990-08-01), Gasser
patent: 5016322 (1991-05-01), Erni et al.
patent: 5412846 (1995-05-01), Hauner

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