JPS5719113A - Manufacture of t-joint - Google Patents

Manufacture of t-joint

Info

Publication number
JPS5719113A
JPS5719113A JP9275580A JP9275580A JPS5719113A JP S5719113 A JPS5719113 A JP S5719113A JP 9275580 A JP9275580 A JP 9275580A JP 9275580 A JP9275580 A JP 9275580A JP S5719113 A JPS5719113 A JP S5719113A
Authority
JP
Japan
Prior art keywords
pipe
roll
prescribed
hole
joint
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
JP9275580A
Other languages
English (en)
Inventor
Hiroshi Kobayashi
Satoki Matsui
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 JP9275580A priority Critical patent/JPS5719113A/ja
Publication of JPS5719113A publication Critical patent/JPS5719113A/ja
Pending legal-status Critical Current

Links

JP9275580A 1980-07-09 1980-07-09 Manufacture of t-joint Pending JPS5719113A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9275580A JPS5719113A (en) 1980-07-09 1980-07-09 Manufacture of t-joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9275580A JPS5719113A (en) 1980-07-09 1980-07-09 Manufacture of t-joint

Publications (1)

Publication Number Publication Date
JPS5719113A true JPS5719113A (en) 1982-02-01

Family

ID=14063227

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9275580A Pending JPS5719113A (en) 1980-07-09 1980-07-09 Manufacture of t-joint

Country Status (1)

Country Link
JP (1) JPS5719113A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4969345A (en) * 1988-02-15 1990-11-13 Hoogovens Groep B.V. Method and apparatus for forming a collar around a hole in a sheet metal blank
KR20010086610A (ko) * 2001-07-09 2001-09-15 김학렬 피팅 성형 방법
FR2857609A1 (fr) * 2003-07-17 2005-01-21 Arvin Technologies Inc Carter, en particulier pour un echangeur thermique, et procede de fabrication de celui-ci

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4862664A (ja) * 1971-12-06 1973-09-01
JPS54137472A (en) * 1978-04-19 1979-10-25 Hitachi Ltd Production of branched pipe

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4862664A (ja) * 1971-12-06 1973-09-01
JPS54137472A (en) * 1978-04-19 1979-10-25 Hitachi Ltd Production of branched pipe

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4969345A (en) * 1988-02-15 1990-11-13 Hoogovens Groep B.V. Method and apparatus for forming a collar around a hole in a sheet metal blank
KR20010086610A (ko) * 2001-07-09 2001-09-15 김학렬 피팅 성형 방법
FR2857609A1 (fr) * 2003-07-17 2005-01-21 Arvin Technologies Inc Carter, en particulier pour un echangeur thermique, et procede de fabrication de celui-ci

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