Title:
SPINNING FRAME, YARN WINDING SYSTEM, AND MANUFACTURING METHOD OF YARN FEEDING BOBBIN
Document Type and Number:
Japanese Patent JP2017001779
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a spinning frame, a yarn winding system, and a manufacturing method of a yarn feeding bobbin which form a yarn feeding bobbin capable of improving a success rate of exposure processing.SOLUTION: A spinning frame 3 comprises: a state acquisition part 310 which acquires a blank state that no roving exists in a roving bobbin 10 around which the roving 13 is wound; a plurality of roller pairs 331, 332, 333 which respectively include bottom rollers 331a, 332a, 333a and top rollers 331b, 332b, 333b and draft the roving; a plurality of drive parts 331c, 332c, 333c which drive the bottom rollers of the respective roller pairs; and a drive control part 312 which controls, when the state acquisition part acquires the blank state, at least one of the drive parts so that the drafted roving becomes thicker than the roving before the blank state.SELECTED DRAWING: Figure 3
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Inventors:
NAKAGAWA TAKASHI
IDO KENICHI
YOSHIDA YASUNORI
IDO KENICHI
YOSHIDA YASUNORI
Application Number:
JP2015115202A
Publication Date:
January 05, 2017
Filing Date:
June 05, 2015
Export Citation:
Assignee:
MURATA MACHINERY LTD
International Classes:
B65H67/06
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Kenichi Shibayama
Makoto Takaguchi
Yoshiki Kuroki
Kenichi Shibayama
Makoto Takaguchi