JPS51145990A - Process for forming perforations on the wall surface of a hollow box b ody and apparatus therefor - Google Patents

Process for forming perforations on the wall surface of a hollow box b ody and apparatus therefor

Info

Publication number
JPS51145990A
JPS51145990A JP7125575A JP7125575A JPS51145990A JP S51145990 A JPS51145990 A JP S51145990A JP 7125575 A JP7125575 A JP 7125575A JP 7125575 A JP7125575 A JP 7125575A JP S51145990 A JPS51145990 A JP S51145990A
Authority
JP
Japan
Prior art keywords
wall surface
ody
hollow box
apparatus therefor
forming perforations
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
JP7125575A
Other languages
Japanese (ja)
Inventor
Yoshihisa Tsurumaki
Tadashi Konno
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.)
Shinei Kogyo KK
Resonac Holdings Corp
Original Assignee
Showa Denko KK
Shinei Kogyo KK
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 Showa Denko KK, Shinei Kogyo KK filed Critical Showa Denko KK
Priority to JP7125575A priority Critical patent/JPS51145990A/en
Publication of JPS51145990A publication Critical patent/JPS51145990A/en
Pending legal-status Critical Current

Links

Landscapes

  • Punching Or Piercing (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

PURPOSE: To apply a smooth perforation opearation onto the wall surface of a hollow box body by the use of a special die.
COPYRIGHT: (C)1976,JPO&Japio
JP7125575A 1975-06-11 1975-06-11 Process for forming perforations on the wall surface of a hollow box b ody and apparatus therefor Pending JPS51145990A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7125575A JPS51145990A (en) 1975-06-11 1975-06-11 Process for forming perforations on the wall surface of a hollow box b ody and apparatus therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7125575A JPS51145990A (en) 1975-06-11 1975-06-11 Process for forming perforations on the wall surface of a hollow box b ody and apparatus therefor

Publications (1)

Publication Number Publication Date
JPS51145990A true JPS51145990A (en) 1976-12-15

Family

ID=13455407

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7125575A Pending JPS51145990A (en) 1975-06-11 1975-06-11 Process for forming perforations on the wall surface of a hollow box b ody and apparatus therefor

Country Status (1)

Country Link
JP (1) JPS51145990A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0649287U (en) * 1992-05-25 1994-07-05 庄太郎 藤田 Bicycle parking structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0649287U (en) * 1992-05-25 1994-07-05 庄太郎 藤田 Bicycle parking structure

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