JPS5977531U - Drilling pin for forging - Google Patents

Drilling pin for forging

Info

Publication number
JPS5977531U
JPS5977531U JP17061282U JP17061282U JPS5977531U JP S5977531 U JPS5977531 U JP S5977531U JP 17061282 U JP17061282 U JP 17061282U JP 17061282 U JP17061282 U JP 17061282U JP S5977531 U JPS5977531 U JP S5977531U
Authority
JP
Japan
Prior art keywords
forging
outer cylinder
inner cylinder
drilling pin
distal end
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
JP17061282U
Other languages
Japanese (ja)
Other versions
JPH0233951Y2 (en
Inventor
桜庭　吉治
Original Assignee
大川精螺工業株式会社
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 大川精螺工業株式会社 filed Critical 大川精螺工業株式会社
Priority to JP17061282U priority Critical patent/JPS5977531U/en
Publication of JPS5977531U publication Critical patent/JPS5977531U/en
Application granted granted Critical
Publication of JPH0233951Y2 publication Critical patent/JPH0233951Y2/ja
Granted legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図１〜４は、パーツフォーマ−により鍛造孔穿は加
工を行なう場合の概略図である。第２図は、従来の孔穿
はピンの構造を示す断面図である。 第３図は、本考案の孔穿はピン構造を示す断面図である
。 ５２・・・内筒、５４・・・外筒、５６・・・空気逃散
用の環状通路。1 to 4 are schematic diagrams in which forging hole drilling is performed using a parts former. FIG. 2 is a sectional view showing the structure of a conventional hole-punching pin. FIG. 3 is a sectional view showing the hole pin structure of the present invention. 52... Inner cylinder, 54... Outer cylinder, 56... Annular passage for air escape.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 中空状の外筒内に中実状の内筒を同心状に挿入して外筒
と内筒との間に空気を逃散させる環状通路を形成し、前
記内筒の先端面を前記外筒の先端面と同一面かこれより
僅かに引込んだ位置に位置決めしであることを特徴とす
る鍛造加工用孔穿はピン。A solid inner cylinder is inserted concentrically into a hollow outer cylinder to form an annular passageway for dissipating air between the outer cylinder and the inner cylinder, and the distal end surface of the inner cylinder is connected to the distal end of the outer cylinder. A pin for forging holes is characterized by being positioned flush with the surface or slightly recessed.
JP17061282U 1982-11-11 1982-11-11 Drilling pin for forging Granted JPS5977531U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17061282U JPS5977531U (en) 1982-11-11 1982-11-11 Drilling pin for forging

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17061282U JPS5977531U (en) 1982-11-11 1982-11-11 Drilling pin for forging

Publications (2)

Publication Number Publication Date
JPS5977531U true JPS5977531U (en) 1984-05-25
JPH0233951Y2 JPH0233951Y2 (en) 1990-09-12

Family

ID=30372412

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17061282U Granted JPS5977531U (en) 1982-11-11 1982-11-11 Drilling pin for forging

Country Status (1)

Country Link
JP (1) JPS5977531U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5939048U (en) * 1982-09-07 1984-03-12 大川精螺工業株式会社 Drilling pin for forging

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5939048B2 (en) * 1980-02-29 1984-09-20 富士通株式会社 Code conversion method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5939048U (en) * 1982-09-07 1984-03-12 大川精螺工業株式会社 Drilling pin for forging

Also Published As

Publication number Publication date
JPH0233951Y2 (en) 1990-09-12

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