Title:
DRIVE SHAFT FOR AUTOMOBILE, AND APPARATUS AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2022/124608
Kind Code:
A1
Abstract:
The present invention relates to a drive shaft for an automobile, and an apparatus and method for manufacturing same. The apparatus for manufacturing the drive shaft for an automobile according to the present invention may comprise: a clamping unit which fixes the central portion of a material and exposes both locally heated ends; tube compression dies which are arranged on both sides of the clamping unit and can move forward and backward with respect to the clamping unit, the tube compression dies being provided with holes that pass through in the axial direction of the material and have a first entrance part in the direction of the clamping unit and a second entrance part on the opposite side from the clamping unit; and mandrels arranged on both sides of the tube compression dies and capable of moving forward and backward via the second entrance parts of the holes of the tube compression dies.
Inventors:
YUN WON SUK (KR)
JO TAE SUN (KR)
PARK SANG WON (KR)
SONG KI YONG (KR)
JO TAE SUN (KR)
PARK SANG WON (KR)
SONG KI YONG (KR)
Application Number:
PCT/KR2021/016591
Publication Date:
June 16, 2022
Filing Date:
November 15, 2021
Export Citation:
Assignee:
ILJIN STEEL CORP (KR)
International Classes:
B21J13/02; B21J5/02; B21J5/08; B21K1/06; B60K17/22
Foreign References:
| JP2013066903A | 2013-04-18 | |||
| CN202367090U | 2012-08-08 | |||
| KR102174259B1 | 2020-11-04 | |||
| JPH0337450B2 | 1991-06-05 | |||
| JP2016147295A | 2016-08-18 |
Attorney, Agent or Firm:
HMP IP GROUP (KR)
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