FR2874520B1 - Coque conique et procede de fabrication de celle-ci - Google Patents

Coque conique et procede de fabrication de celle-ci

Info

Publication number
FR2874520B1
FR2874520B1 FR0508791A FR0508791A FR2874520B1 FR 2874520 B1 FR2874520 B1 FR 2874520B1 FR 0508791 A FR0508791 A FR 0508791A FR 0508791 A FR0508791 A FR 0508791A FR 2874520 B1 FR2874520 B1 FR 2874520B1
Authority
FR
France
Prior art keywords
manufacturing
same
conical shell
conical
shell
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 - Fee Related
Application number
FR0508791A
Other languages
English (en)
Other versions
FR2874520A1 (fr
Inventor
Hideki Kakimoto
Yasuki Ishibashi
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel 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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of FR2874520A1 publication Critical patent/FR2874520A1/fr
Application granted granted Critical
Publication of FR2874520B1 publication Critical patent/FR2874520B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K21/00—Making hollow articles not covered by a single preceding sub-group
    • B21K21/06—Shaping thick-walled hollow articles, e.g. projectiles
FR0508791A 2004-08-31 2005-08-26 Coque conique et procede de fabrication de celle-ci Expired - Fee Related FR2874520B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004252800 2004-08-31
JP2005171188A JP4567531B2 (ja) 2004-08-31 2005-06-10 口絞りシェルの製造方法および口絞りシェル

Publications (2)

Publication Number Publication Date
FR2874520A1 FR2874520A1 (fr) 2006-03-03
FR2874520B1 true FR2874520B1 (fr) 2014-04-18

Family

ID=36235905

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0508791A Expired - Fee Related FR2874520B1 (fr) 2004-08-31 2005-08-26 Coque conique et procede de fabrication de celle-ci

Country Status (2)

Country Link
JP (1) JP4567531B2 (fr)
FR (1) FR2874520B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102489660B (zh) * 2011-12-20 2014-03-19 二重集团（德阳）重型装备股份有限公司 特大型压力容器异形过渡段的锻造成型工艺

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5415454A (en) * 1977-07-06 1979-02-05 Japan Steel Works Ltd Mouth draw forging of large ring
JPS63317231A (ja) * 1987-06-22 1988-12-26 Kawasaki Steel Corp 鍛造リングの口絞り成形方法

Also Published As

Publication number Publication date
FR2874520A1 (fr) 2006-03-03
JP2006095599A (ja) 2006-04-13
JP4567531B2 (ja) 2010-10-20

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