BOBBIN HOLDER, THREAD WINDER, THREAD PACKAGEMAKING DEVICE, THREAD WINDING METHOD, AND THREAD PACKAGEMAKING METHOD

WIPO Patent Application WO/2001/010762

A1

A bobbin holder of a thread winder, comprising a holder main body, a bobbin holding operation body, elastic bodies deforming according to the movement of the bobbin holding operation body, spacers maintaining the elastic bodies at specified intervals and transmitting the motion of the bobbin holding operation body to the elastic bodies, and a cylindrical supporting body installed on a turret member and supporting a drive shaft rotatably, the holder main body further comprising a boss part for the connection with the drive shaft and a hollow part storing the bobbin holding operation body and cylindrical supporting body on both sides of a boss part, the boss part further comprising an annular projected part projected toward the inside of the hollow part, and a portion where the amount of increase in inner diameter (d¿1?) of the boss part and the amount of increase in outer diameter (d¿2?) of the drive shaft due to a centrifugal force at the time of rotation satisfy the relation, (d¿1?) - (d¿2?) $m(f) 20$g(m)m, is provided at least one position on the boss part.

NINOMIYA KATSUHIKO (JP)
HAYASHI TOSHIHIRO (JP)

PCT/JP2000/005226

February 15, 2001

August 03, 2000

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TORAY ENG CO LTD (JP)
TORAY INDUSTRIES (JP)
NINOMIYA KATSUHIKO (JP)
HAYASHI TOSHIHIRO (JP)

B65H54/547; D01D7/00; (IPC1-7): B65H54/547; B65H75/12

JPH06115811A	1994-04-26
JPH07237817A	1995-09-12
US5645246A	1997-07-08
JPH05338914A	1993-12-21
JPH1160064A	1999-03-02

Ishida, Takashi (Ishida & Associates Toranomon 37 Mori Building 5-1, Toranomon 3-chome Minato-ku Tokyo, JP)

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