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Title:
帯状押出し材料の張力調整方法及びその調整装置
Document Type and Number:
Japanese Patent JP4262872
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method and an apparatus for regulating a tension of a strip-like extrusion material capable of obtaining extrudates each having equivalent length and stably dimensional accuracy. SOLUTION: Reference numeral 1 denotes an extruder; 2, a die (mold); 3, the apparatus for regulating the tension of the strip-like extrusion material W of a substantially triangular sectional shape having different thicknesses at both ends in a lateral section extruded from the extruder 1 (in this embodiment, a bead filler used as a tire constituting material is used, but this is not limited to the particular material); and 4, a molding machine of next step such as, for example, a bead molding machine. The apparatus 3 has a tension regulating roll 5 formed in a substantially truncated conical sectional state, an oscillating arm 6 rotatable at its tension regulating roll 5 and horizontally supporting a shaft center O, and a stand 7 for rotatably supporting the arm 6.

Inventors:
Hideo Tsuda
Application Number:
JP2000242680A
Publication Date:
May 13, 2009
Filing Date:
August 10, 2000
Export Citation:
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Assignee:
THE YOKOHAMA RUBBER CO.,LTD.
International Classes:
B29C47/08; B29C48/355; B29C48/92; B29K21/00; B29L7/00
Domestic Patent References:
JP1170590A
JP1184116A
JP62108364U
JP289762A
Attorney, Agent or Firm:
Shinichi Ogawa
Takashi Noguchi
Kazuhiko Saishita