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Title:
DEVICE FOR CONTROLLING YARN BALLOONING AT WINDING HEAD OF BOBBIN WINDING MACHINE
Document Type and Number:
Japanese Patent JP3599829
Kind Code:
B2
Abstract:

PURPOSE: To obtain a high bobbin speed by reducing obstructions in the delivery behavior from a delivery bobbin, i.e., a cop by directing a conical taper of a circumferential surface of a truncated cone and pyramid in the same direction, making the axes of these circumferential surfaces coincide with each other, and setting the section of the circumferential surfaces of the truncated pyramid to be odd-sided polygonal of equal sides.
CONSTITUTION: An inside part 16 of a yarn pull-out accelerator 10 is formed first as a circumferetial surface 17 of a truncated cone. A five-sided pyramid P is provided through the circumferential surface 17 of the truncated cone. An edge part 18 of the circumferential surface of the truncated pyramid uniformly pierces the circumferential surface of the truncated cone. The axes P of symmetry of the pyramid and the cone coincides with each other. The pyramid edge part 18 uniformly pierces the truncated cone through the circumferential surface 17 of the truncated cone, and another assumption of the uniform piercing is assumed on the matched conicity between the cone and the pyramid. In addition, the section of the circumferential surface of the pyramid is odd-sided polygon of equal sides, and since the triangle or the rectangle are excepted for the section, surfaces 20, 21 of the circumferential surfaces of two pyramids form an angle 22 of at least 90°. This angle is obtuse.


Inventors:
Siegfried Bruns
Application Number:
JP12548095A
Publication Date:
December 08, 2004
Filing Date:
May 24, 1995
Export Citation:
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Assignee:
Weschlach Horst Akchen Gesellschaft Und Company
International Classes:
B65H57/22; (IPC1-7): B65H57/22
Domestic Patent References:
JP4735779Y1
JP130461Y2
JP3819734Y1
JP5155526A
JP392338B1
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Reinhard Einsel