Roving frame and method of operating same

Details Roving frame and method of operating same Roving frame and method of operating same

1997-12-01

1999-05-18

Stryjewski, William

Textiles: spinning, twisting, and twining

Apparatus and processes

Receiving twist type

57 93, 57 96, D01H1/04

Patent

active

059040360

ABSTRACT:
A roving frame has a drafting frame receiving sliver and feeding rovings to respective roving winding stations. Respective spindles at these stations receive core sleeves on which the roving bobbins are wound for respective flyers. An evaluating and control device is operatively connected to the drive for automatically or on command, operating the flyers at a first gentle speed less than the operating speed and a speed required for automatic capture of roving ends by the core sleeves, automatically or on command, operating the flyers at a second gentle speed less than the operating speed, greater than the first gentle speed and sufficient for automatic capture of roving ends by the core sleeves, and automatically or on command, operating the flyers at a creeping third gentle speed less than the first gentle speed for startup and to position the flyers at selected angular positions.

REFERENCES:
patent: 4375744 (1983-03-01), Briner et al.
patent: 4409785 (1983-10-01), Nakane et al.
patent: 4551969 (1985-11-01), Kogiso et al.
patent: 5522210 (1996-06-01), Mack

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