JPS59171828U - pipe hole opener - Google Patents

pipe hole opener

Info

Publication number
JPS59171828U
JPS59171828U JP6556683U JP6556683U JPS59171828U JP S59171828 U JPS59171828 U JP S59171828U JP 6556683 U JP6556683 U JP 6556683U JP 6556683 U JP6556683 U JP 6556683U JP S59171828 U JPS59171828 U JP S59171828U
Authority
JP
Japan
Prior art keywords
upper mold
mold
pipe
hole
spring means
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.)
Pending
Application number
JP6556683U
Other languages
Japanese (ja)
Inventor
伊東　璋
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP6556683U priority Critical patent/JPS59171828U/en
Publication of JPS59171828U publication Critical patent/JPS59171828U/en
Pending 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 the drawing]

第１図はこの考案の一実施例を示す側面図、第２図は第
１図の■−■断面図、第３ａ図〜第３Ｃ図は同実施例の
使用態様を順に示す図である。 １・・・・・・上型、１ａ・・・・・・（上型）凹部、
１ｃ・・・・・・挿通孔、２・・・・・・ガイドピン、
３・・・・・・下型、３ａ・・・・・・（下型）凹部、
４・・・・・・孔開ピン、５．６・・・・・・ばね、７
・・・・・・パイプ、１０・・・・・・パイプ孔開器。FIG. 1 is a side view showing an embodiment of this invention, FIG. 2 is a cross-sectional view taken along the line -■ in FIG. 1... upper mold, 1a... (upper mold) recess,
1c...Insertion hole, 2...Guide pin,
3...lower mold, 3a...(lower mold) recess,
4... Hole pin, 5.6... Spring, 7
...Pipe, 10...Pipe hole opener.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 薄肉円筒形パイプ周壁に孔を開けるパイプ孔開器であっ
て、上型と下型とを備え、該上型と下型とは相対する面
に閉鎖時前記パイプ外形形状に対応する凹部をそれぞれ
備えるとともに相互に常時離反するようばね手段を備え
かつガイドピンで連結され、さらに、前記上型には上面
より前記上型凹部へ開口する挿通孔が形成されるととも
に、該挿通孔には前記上型上面との間に前記上下型の間
に介在されるばね手段より大きなばね定数のばね手段を
介して孔開ピンが配設されることを特徴とするパイプ孔
開器。A pipe hole opener for making a hole in a peripheral wall of a thin cylindrical pipe, comprising an upper mold and a lower mold, the upper mold and the lower mold each having a recess corresponding to the external shape of the pipe when closed on opposing surfaces. The upper mold is provided with spring means so as to be constantly separated from each other, and is connected by a guide pin.Furthermore, the upper mold has an insertion hole that opens from the upper surface to the upper mold recess, and the upper mold has an insertion hole in the upper mold. A pipe hole opening device, characterized in that a hole opening pin is disposed between the upper surface of the mold and a spring means having a larger spring constant than the spring means interposed between the upper and lower molds.
JP6556683U 1983-04-30 1983-04-30 pipe hole opener Pending JPS59171828U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6556683U JPS59171828U (en) 1983-04-30 1983-04-30 pipe hole opener

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6556683U JPS59171828U (en) 1983-04-30 1983-04-30 pipe hole opener

Publications (1)

Publication Number Publication Date
JPS59171828U true JPS59171828U (en) 1984-11-16

Family

ID=30195767

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6556683U Pending JPS59171828U (en) 1983-04-30 1983-04-30 pipe hole opener

Country Status (1)

Country Link
JP (1) JPS59171828U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5189A (en) * 1974-06-20 1976-01-05 Sakuhei Fujita Magaripaipuniokeru anaakehoho
JPS5238633A (en) * 1975-09-05 1977-03-25 Hitachi Ltd Tube coupling method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5189A (en) * 1974-06-20 1976-01-05 Sakuhei Fujita Magaripaipuniokeru anaakehoho
JPS5238633A (en) * 1975-09-05 1977-03-25 Hitachi Ltd Tube coupling method

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