Invention Application
US20150231683A1 WARM WORKING METHOD FOR STAINLESS STEEL FOIL AND MOLD FOR WARM WORKING
有权
用于不锈钢软管的温度工作方法和用于温度工作的模具
- Patent Title: WARM WORKING METHOD FOR STAINLESS STEEL FOIL AND MOLD FOR WARM WORKING
- Patent Title (中): 用于不锈钢软管的温度工作方法和用于温度工作的模具
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Application No.: US14431665Application Date: 2013-09-26
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Publication No.: US20150231683A1Publication Date: 2015-08-20
- Inventor: Katsunari Norita , Norimasa Miura
- Applicant: NISSHIN STEEL CO., LTD.
- Applicant Address: JP Tokyo
- Assignee: NISSHIN STEEL CO., LTD.
- Current Assignee: NISSHIN STEEL CO., LTD.
- Current Assignee Address: JP Tokyo
- Priority: JP2012-215865 20120928; JP2013-198203 20130925
- International Application: PCT/JP2013/076028 WO 20130926
- Main IPC: B21D33/00
- IPC: B21D33/00 ; B21D22/20 ; C22C38/18

Abstract:
An austenitic stainless steel foil 2 with a thickness equal to or less than 300 μm is disposed to face a punch 12, and the stainless steel foil 2 is subjected to drawing in a state in which an annular region 2a of the stainless steel foil 2 that is in contact with a shoulder portion 12d of the punch 12 is set to a temperature up to 30° C. and an external region 2b outside the annular region 2a is set to a temperature of from 40° C. to 100° C.
Public/Granted literature
- US09802238B2 Warm working method for stainless steel foil and mold for warm working Public/Granted day:2017-10-31
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