Title:
WINDING DEVICE, MANDREL REPLACEMENT METHOD, AND MANDREL
Document Type and Number:
WIPO Patent Application WO/2023/223544
Kind Code:
A1
Abstract:
A winding device 1 comprises: a mandrel 3 including a winding drum composed of a combination of segments 30; a casing 51 in which the mandrel 3 is mounted; a holding cylinder 53, between the casing 51 and the mandrel 3, that holds the mandrel 3 and rotates coaxially with the mandrel 3; and an expanding/contracting mechanism 20 that changes an outer diameter of the winding drum 30. The mandrel 3 is integrated with the expanding/contacting mechanism 20 and configured to be insertable into and removable from the holding drum 53 in the axial direction thereof.
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Inventors:
MASUDA YUSUKE (JP)
TANAKA FUJIO (JP)
KIBE YOSHIKAZU (JP)
TANAKA FUJIO (JP)
KIBE YOSHIKAZU (JP)
Application Number:
PCT/JP2022/020961
Publication Date:
November 23, 2023
Filing Date:
May 20, 2022
Export Citation:
Assignee:
PRIMETALS TECH JAPAN LTD (JP)
International Classes:
B65H18/04
Foreign References:
| JPS6061116A | 1985-04-08 | |||
| JPH03130261U | 1991-12-27 | |||
| JP2007191301A | 2007-08-02 |
Attorney, Agent or Firm:
OBA, Mitsuru et al. (JP)
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