Procedure and an apparatus for start-up spinning of the...

Details Procedure and an apparatus for start-up spinning of the... Procedure and an apparatus for start-up spinning of the...

2006-05-02

2006-05-02

Calvert, John J. (Department: 3765)

Textiles: spinning, twisting, and twining

Apparatus and processes

Piecing up

C057S022000

Reexamination Certificate

active

07036300

ABSTRACT:
A procedure and apparatus for start-up spinning of a thread in an open-end spinning apparatus is provided. A first and second auxiliary roll-pair are presentable within a thread course during start up spinning. A source of a suction air stream within the spinning apparatus is positioned below the first and second roll-pairs. The source of suction air stream creates a suction flow of air to induce the thread end into the spinning apparatus for start up spinning. A control center is in communication with the first and second roll-pairs, so that the control center controls them. A thread storage unit is positioned between the first and second roll-pairs proximal to the course of the thread. The thread storage unit is in communication with the control center so that the thread storage unit is activated to store and release the thread during start up spinning.

REFERENCES:
patent: 4276742 (1981-07-01), Raasch et al.
patent: 4644742 (1987-02-01), Lovas et al.
patent: 4757678 (1988-07-01), Stahlecker
patent: 5682718 (1997-11-01), Bennewitz et al.
patent: 6339921 (2002-01-01), Lassmann et al.
patent: 10217243 (2003-10-01), None
patent: 0073548 (2000-12-01), None
European Patent Office Search Report, Feb. 15, 2005.

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