Tow feeding apparatus

Details Tow feeding apparatus Tow feeding apparatus

1990-10-10

1992-01-14

Schroeder, Werner H.

Textiles: manufacturing

Thread finishing

Surface modification of running length

226 91, B65H 6300

Patent

active

050798120

ABSTRACT:
A tow feeding apparatus which requires no continuous observation, shortens the reset time when tow is wound around pinch rolls for feeding into a case, and operates safely, includes guide rolls for leading a tow to a winding roll or pinch rolls, a winding roll apparatus provided between the guide rolls and pinch rolls at a normal position for winding up a tow around a winding roll when wrapping trouble occurs at the pinch rolls. A pinch roll apparatus for feeding the tow from the guide rolls through the winding roll apparatus into a case, and a transport device for transporting the winding roll apparatus from the normal position to a reset position behind the pinch roll apparatus when wrapping trouble occurs. A cutter shears the tow along the tow route before the pinch roll apparatus. An exchanger for substituting the pinch roll apparatus with another set of pinch rolls, and a detector for detecting wrapping of a tow around the pinch rolls are further included. A controller receives a signal from said detector to actuate the cutter and the driving motor for driving the winding roll, stops the pinch roll apparatus, drives the exchanger, actuates the transport device for moving the winding roll apparatus from the normal position to the reset position, starts the pinch roll apparatus at the same time as the winding roll apparatus is stopped, and returns the winding roll to the normal position.

REFERENCES:
patent: 4185761 (1980-01-01), Miyazaki et al.
patent: 4454996 (1984-06-01), Windeler et al.
patent: 4557423 (1985-12-01), Zingler

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