JPS6144575B2 - - Google Patents

Info

Publication number
JPS6144575B2
JPS6144575B2 JP54098733A JP9873379A JPS6144575B2 JP S6144575 B2 JPS6144575 B2 JP S6144575B2 JP 54098733 A JP54098733 A JP 54098733A JP 9873379 A JP9873379 A JP 9873379A JP S6144575 B2 JPS6144575 B2 JP S6144575B2
Authority
JP
Japan
Prior art keywords
burring
pilot hole
hole
ironing
edge
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.)
Expired
Application number
JP54098733A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5623322A (en
Inventor
Minoru Yabe
Mitsuru Igarashi
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9873379A priority Critical patent/JPS5623322A/ja
Publication of JPS5623322A publication Critical patent/JPS5623322A/ja
Publication of JPS6144575B2 publication Critical patent/JPS6144575B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
JP9873379A 1979-08-03 1979-08-03 Processing of burring Granted JPS5623322A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9873379A JPS5623322A (en) 1979-08-03 1979-08-03 Processing of burring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9873379A JPS5623322A (en) 1979-08-03 1979-08-03 Processing of burring

Publications (2)

Publication Number Publication Date
JPS5623322A JPS5623322A (en) 1981-03-05
JPS6144575B2 true JPS6144575B2 (en]) 1986-10-03

Family

ID=14227706

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9873379A Granted JPS5623322A (en) 1979-08-03 1979-08-03 Processing of burring

Country Status (1)

Country Link
JP (1) JPS5623322A (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5825705A (ja) * 1981-08-08 1983-02-16 Hitachi Denshi Ltd 容量性負荷駆動用広帯域増幅器
JPS6018232A (ja) * 1983-07-11 1985-01-30 Fuji Elelctrochem Co Ltd 金属板の絞り加工方法
KR101067771B1 (ko) * 2004-04-20 2011-09-28 엘지전자 주식회사 드럼세탁기용 드럼의 전면홀 가공방법

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5252167A (en) * 1975-10-24 1977-04-26 Hitachi Ltd Method of burring
JPS5396042U (en]) * 1977-01-07 1978-08-04

Also Published As

Publication number Publication date
JPS5623322A (en) 1981-03-05

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