SPINNING MACHINE, YARN WINDING SYSTEM, AND METHOD FOR MANUFACTURING YARN SUPPLY BOBBIN

Title:

SPINNING MACHINE, YARN WINDING SYSTEM, AND METHOD FOR MANUFACTURING YARN SUPPLY BOBBIN

Document Type and Number:

WIPO Patent Application WO/2016/194509

Kind Code:

A1

Abstract:

A spinning machine (3) is provided with: a state acquisition unit (310) for acquiring material depletion, which is a state in which coarse yarn (13) from a coarse yarn bobbin (10) whereon coarse yarn (13) is wound has run out; a plurality of roller pairs (331, 332, 333) having, respectively, bottom rollers (331a, 332a, 333a) and top rollers (331b, 332b, 333b) for drafting the coarse yarn; a plurality of drive units (331c, 332c, 333c) for driving the bottom rollers of each of the plurality of roller pairs; and a drive control unit (312) for controlling at least one of the plurality of drive units such that when the state acquisition unit has acquired the material depletion, the coarse yarn after drafting is fatter than that prior to the acquisition of material depletion.

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JPH05319699	BOBBIN FEEDING DEVICE

Inventors:

NAKAGAWA TAKASHI (JP)
IDO KENICHI (JP)
YOSHIDA YASUNORI (JP)

Application Number:

PCT/JP2016/062638

Publication Date:

December 08, 2016

Filing Date:

April 21, 2016

Export Citation:

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Assignee:

MURATA MACHINERY LTD (JP)

International Classes:

B65H67/06; D01H1/20

Foreign References:

JP2004339642A	2004-12-02
JP2005336627A	2005-12-08
JP2011020836A	2011-02-03

Other References: