JPH0331523B2 - - Google Patents

Info

Publication number
JPH0331523B2
JPH0331523B2 JP62152914A JP15291487A JPH0331523B2 JP H0331523 B2 JPH0331523 B2 JP H0331523B2 JP 62152914 A JP62152914 A JP 62152914A JP 15291487 A JP15291487 A JP 15291487A JP H0331523 B2 JPH0331523 B2 JP H0331523B2
Authority
JP
Japan
Prior art keywords
pipe
bending
bent
frequency
manufacturing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP62152914A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63317218A (ja
Inventor
Seisuke Inoe
Tadakatsu Maruyama
Yoichi Matsubara
Masaaki Takagishi
Seiichi Akisawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Dai Ichi High Frequency Co Ltd
Original Assignee
Nippon Steel Corp
Dai Ichi High Frequency Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Steel Corp, Dai Ichi High Frequency Co Ltd filed Critical Nippon Steel Corp
Priority to JP15291487A priority Critical patent/JPS63317218A/ja
Publication of JPS63317218A publication Critical patent/JPS63317218A/ja
Publication of JPH0331523B2 publication Critical patent/JPH0331523B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Bending Of Plates, Rods, And Pipes (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)
JP15291487A 1987-06-19 1987-06-19 加工のままで低硬さの高周波曲げ管の製造方法 Granted JPS63317218A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15291487A JPS63317218A (ja) 1987-06-19 1987-06-19 加工のままで低硬さの高周波曲げ管の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15291487A JPS63317218A (ja) 1987-06-19 1987-06-19 加工のままで低硬さの高周波曲げ管の製造方法

Publications (2)

Publication Number Publication Date
JPS63317218A JPS63317218A (ja) 1988-12-26
JPH0331523B2 true JPH0331523B2 (da) 1991-05-07

Family

ID=15550905

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15291487A Granted JPS63317218A (ja) 1987-06-19 1987-06-19 加工のままで低硬さの高周波曲げ管の製造方法

Country Status (1)

Country Link
JP (1) JPS63317218A (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115027069B (zh) * 2022-04-22 2023-06-13 宜宾天亿新材料科技有限公司 聚氯乙烯分子定向管件或连接件生产系统及方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5922192B2 (ja) * 1976-07-09 1984-05-24 セイコ−光機株式会社 リセツト解除時に生ずる時間誤差を補償する時計用回路
JPS59232225A (ja) * 1983-06-13 1984-12-27 Nippon Kokan Kk <Nkk> 高張力高靭性曲り管の製造方法
JPS61117223A (ja) * 1984-11-14 1986-06-04 Nippon Kokan Kk <Nkk> 高靭性溶接金属部を有する曲り管の製造方法
NL8602189A (nl) * 1986-08-28 1988-03-16 Shell Int Research Werkwijze en inrichting voor het detecteren van het fluidumniveau in een te vullen reservoir.

Also Published As

Publication number Publication date
JPS63317218A (ja) 1988-12-26

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