JPH01127639U - - Google Patents

Info

Publication number
JPH01127639U
JPH01127639U JP1865688U JP1865688U JPH01127639U JP H01127639 U JPH01127639 U JP H01127639U JP 1865688 U JP1865688 U JP 1865688U JP 1865688 U JP1865688 U JP 1865688U JP H01127639 U JPH01127639 U JP H01127639U
Authority
JP
Japan
Prior art keywords
punch
cup
tooth profile
shaped material
contacts
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
JP1865688U
Other languages
English (en)
Other versions
JPH0539800Y2 (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 JP1865688U priority Critical patent/JPH0539800Y2/ja
Publication of JPH01127639U publication Critical patent/JPH01127639U/ja
Application granted granted Critical
Publication of JPH0539800Y2 publication Critical patent/JPH0539800Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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  • Forging (AREA)

Description

【図面の簡単な説明】
第1図は本考案の実施例の縦断面図で加工開始
時、第2図は同じく加工終了時、第3図は内パン
チの縦断面図、第4図は他の内パンチの縦断面図
、第5図aは従来装置、同bは従来の別の内パン
チの縦断面図、第6図は従来装置による製品の寸
法を示す線図である。 1…ダイ、6…外パンチ、7,16…内パンチ
、8…歯形、9,18…縦孔、20…カツプ状素
材。

Claims (1)

    【実用新案登録請求の範囲】
  1. カツプ状素材の底部外面に当接する外パンチと
    、等径の外周面に軸方向の歯形をもち該素材の底
    部内面に当接する内パンチとで該底部を挾持し、
    該カツプ状素材を開口部側からダイに押込んでイ
    ンタナル歯形を成形するようにした成形装置にお
    いて、内パンチの中心に、カツプ状素材の開口部
    側に向かうにつれて大径となり、パンチ肉厚が小
    さくなる縦穴を設けたことを特徴とする、底付き
    インタナル歯形の成形装置。
JP1865688U 1988-02-17 1988-02-17 Expired - Lifetime JPH0539800Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1865688U JPH0539800Y2 (ja) 1988-02-17 1988-02-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1865688U JPH0539800Y2 (ja) 1988-02-17 1988-02-17

Publications (2)

Publication Number Publication Date
JPH01127639U true JPH01127639U (ja) 1989-08-31
JPH0539800Y2 JPH0539800Y2 (ja) 1993-10-08

Family

ID=31233496

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1865688U Expired - Lifetime JPH0539800Y2 (ja) 1988-02-17 1988-02-17

Country Status (1)

Country Link
JP (1) JPH0539800Y2 (ja)

Also Published As

Publication number Publication date
JPH0539800Y2 (ja) 1993-10-08

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