Method and apparatus for automatic exchange of roving bobbins of

Details Method and apparatus for automatic exchange of roving bobbins of Method and apparatus for automatic exchange of roving bobbins of

1988-10-07

1990-02-13

Hail, III, Joseph J.

Textiles: spinning, twisting, and twining

Apparatus and processes

Package handling

57261, 57270, D01H 1300, D01H 1500

Patent

active

048995312

ABSTRACT:
A method and apparatus for exchanging roving bobbins on a ring spinning machine or the like. A temporary storage spindle is provided in a service unit which services the ring spinning machine and a roving cutting and piecing apparatus and a spindle are movable between the temporary storage spindle, the bobbin holder of the spinning machine and a spare bobbin frame of the spinning machine to receive and transfer bobbins thereat to the temporary storage spindle, the bobbin holder or the spare bobbin frame. In one exchange process, the bobbin on the bobbin holder is transferred directly to the spare bobbin frame after the bobbin on the spare bobbin frame has been transferred to the temporary storage spindle. Thereafter, the bobbin on the temporary storage spindle is transferred to the bobbin holder. According to another exchange process, the bobbin on the spare bobbin frame is transferred directly to the bobbin holder after the bobbin on the bobbin holder has been transferred to the temporary storage spindle. Thereafter, the bobbin on the temporary storage spindle is transferred to the spare bobbin frame.

REFERENCES:
patent: 4438622 (1984-03-01), Pons
patent: 4473997 (1984-10-01), Kawasaki et al.
patent: 4583358 (1986-04-01), Krieger et al.
patent: 4586326 (1986-05-01), Igel
patent: 4630435 (1986-12-01), Igel
patent: 4739611 (1988-04-01), Rohner
patent: 4771597 (1988-09-01), Igel et al.
patent: 4799353 (1989-01-01), Kawasaki et al.

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