Tunnel cladding

Details Tunnel cladding Tunnel cladding

2006-04-11

2006-04-11

Calvert, John J. (Department: 3765)

Textiles: spinning, twisting, and twining

Apparatus and processes

With drafting

C057S350000

Reexamination Certificate

active

07024848

ABSTRACT:
The application relates to a device for air spinning, i.e., for the manufacture of a spun yarn from a sliver. The device contains in particular a fiber guide element, a fiber conveying channel, and an eddy chamber housing attached to the fiber guide element. The eddy chamber housing contains in its turn a spindle with a yarn guide channel arranged at a distance interval from the fiber guide element. In addition, the eddy chamber housing contains a fluid device with at least one jet nozzle for the production of an eddy current about an inlet aperture mouth of the yarn guide channel. The fiber conveying channel exhibits a tunnel cladding, which is dimensioned in such a way that at the end of the fiber conveying channel a step to the eddy chamber housing is formed.

REFERENCES:
patent: 5295349 (1994-03-01), Okamoto
patent: 5419110 (1995-05-01), Mikami et al.
patent: 5528895 (1996-06-01), Deno
patent: 5647197 (1997-07-01), Imamura
patent: 5927062 (1999-07-01), Deno et al.
patent: 6679044 (2004-01-01), Anderegg
patent: 6782685 (2004-08-01), Bischofberger et al.
patent: 3810860 (1988-11-01), None
EPO Search Report, May 30, 2003.

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