JPH0422113U - - Google Patents

Info

Publication number
JPH0422113U
JPH0422113U JP6419390U JP6419390U JPH0422113U JP H0422113 U JPH0422113 U JP H0422113U JP 6419390 U JP6419390 U JP 6419390U JP 6419390 U JP6419390 U JP 6419390U JP H0422113 U JPH0422113 U JP H0422113U
Authority
JP
Japan
Prior art keywords
mandrel
circumferential surface
groove
forming portion
extrusion
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.)
Granted
Application number
JP6419390U
Other languages
English (en)
Other versions
JPH084164Y2 (ja
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 filed Critical
Priority to JP1990064193U priority Critical patent/JPH084164Y2/ja
Publication of JPH0422113U publication Critical patent/JPH0422113U/ja
Application granted granted Critical
Publication of JPH084164Y2 publication Critical patent/JPH084164Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Extrusion Of Metal (AREA)

Description

【図面の簡単な説明】
第１図は本考案の熱間押出用マンドレルを示す
説明図で、ａは全体図、ｂは部分拡大図、第２図
ａはマンドレルに設けた溝の拡大図、第２図ｂは
、第２図ａの部分拡大図、第３図は本考案の熱間
押出用マンドレルの他の例を示す説明図、第４図
は熱間押出による継目無管押出中の断面図、第５
図は実施例における押出比とマンドレル寿命の関
係を示す図表である。 １……本考案のマンドレル、１Ａ……成形部、
１Ｂ……ステツプ部、１Ｃ……ネジ部、２Ａ……
溝（周面を一周）、２Ｂ……溝（螺旋状）、３…
…押出管、４……ダイス、５……従来のマンドレ
ル、５Ａ……成形部、５Ｂ……ステツプ部、５Ｃ
……ネジ部、６……ビレツト、７……ビレツトの
外面潤滑膜、８……ビレツトの内面潤滑膜。

Claims (1)

    【実用新案登録請求の範囲】
  1. マンドレルの成形部の周面に該成形部の周面を
    一周以上する溝を設けたことを特徴とする継目無
    管熱間押出用マンドレル。
JP1990064193U 1990-06-18 1990-06-18 継目無鋼管熱間押出用マンドレル Expired - Lifetime JPH084164Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990064193U JPH084164Y2 (ja) 1990-06-18 1990-06-18 継目無鋼管熱間押出用マンドレル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990064193U JPH084164Y2 (ja) 1990-06-18 1990-06-18 継目無鋼管熱間押出用マンドレル

Publications (2)

Publication Number Publication Date
JPH0422113U true JPH0422113U (ja) 1992-02-24
JPH084164Y2 JPH084164Y2 (ja) 1996-02-07

Family

ID=31594913

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990064193U Expired - Lifetime JPH084164Y2 (ja) 1990-06-18 1990-06-18 継目無鋼管熱間押出用マンドレル

Country Status (1)

Country Link
JP (1) JPH084164Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60176811U (ja) * 1984-04-28 1985-11-22 日本軽金属株式会社 押出成形機のマンドレル装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60176811U (ja) * 1984-04-28 1985-11-22 日本軽金属株式会社 押出成形機のマンドレル装置

Also Published As

Publication number Publication date
JPH084164Y2 (ja) 1996-02-07

Similar Documents

Publication Publication Date Title
JPH0422113U (ja)
JPH0167391U (ja)
JPS62183185U (ja)
JPH01136719U (ja)
JPH0456972U (ja)
JPS63193190U (ja)
JPS61102277U (ja)
JPH0381853U (ja)
JPH02108217U (ja)
JPH0386270U (ja)
JPH0426611U (ja)
JPH02103520U (ja)
JPH0423213U (ja)
JPS61158302U (ja)
JPS59120119U (ja) 押出成形機の金型
JPS62137607U (ja)
JPH01173905U (ja)
JPS61197061U (ja)
JPH0344887U (ja)
JPH01132654U (ja)
JPS6238278U (ja)
JPS6197682U (ja)
JPS61191512U (ja)
JPS61193278U (ja)
JPH0444266U (ja)

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term