Title:
QUENCHING TOOL AND QUENCHING METHOD
Document Type and Number:
WIPO Patent Application WO/2023/176521
Kind Code:
A1
Abstract:
This quenching tool is used for quenching an object to be quenched including a disk-shaped race having a race through-hole. The quenching tool comprises a supporting mesh including a first supporting portion that contacts the object to be quenched, and a supporting line which is a plurality of second supporting members including a second supporting portion that contacts the object to be quenched. The position of the second supporting portion is out of alignment in a direction of a normal line with respect to the first supporting portion. Furthermore, the position of the second supporting portion is out of alignment in an axial direction included in an in-plane direction orthogonal to the normal line with respect to the first supporting portion.
Inventors:
HAGIWARA NOBUYUKI (JP)
KEMMOCHI NAOTO (JP)
YAMAMOTO KOUICHI (JP)
KEMMOCHI NAOTO (JP)
YAMAMOTO KOUICHI (JP)
Application Number:
PCT/JP2023/008122
Publication Date:
September 21, 2023
Filing Date:
March 03, 2023
Export Citation:
Assignee:
NSK LTD (JP)
International Classes:
C21D9/40; C21D1/00; C21D1/18; C21D1/63
Foreign References:
| JP2020073736A | 2020-05-14 | |||
| JP2019143210A | 2019-08-29 | |||
| US5733391A | 1998-03-31 | |||
| CN111906507A | 2020-11-10 | |||
| CN201553774U | 2010-08-18 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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