JPS571584A - Production of flange for joint - Google Patents

Production of flange for joint

Info

Publication number
JPS571584A
JPS571584A JP7493280A JP7493280A JPS571584A JP S571584 A JPS571584 A JP S571584A JP 7493280 A JP7493280 A JP 7493280A JP 7493280 A JP7493280 A JP 7493280A JP S571584 A JPS571584 A JP S571584A
Authority
JP
Japan
Prior art keywords
cut
end faces
annular body
flash butt
elliptical
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
JP7493280A
Other languages
Japanese (ja)
Other versions
JPS5942595B2 (en
Inventor
Kenichi Morita
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.)
Sato Tekko Co Ltd
Original Assignee
Sato Tekko Co 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 Sato Tekko Co Ltd filed Critical Sato Tekko Co Ltd
Priority to JP7493280A priority Critical patent/JPS5942595B2/en
Publication of JPS571584A publication Critical patent/JPS571584A/en
Publication of JPS5942595B2 publication Critical patent/JPS5942595B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To considerably stabilize the strength of a joining part by forming an annular body of an elliptical shape wherein a cut prt is located in the position intersecting roughly orthogonally with a long diameter, and subjecting both cut end faces to flash butt melt-sticking.
CONSTITUTION: A long-sized flat bar is formed to an elliptical coil shape by a coiling machine using a mandrel of an elliptical shape in section. Next, this is cut by saw-teeth in the position where a cut part S intersects orthogonally with the long diameter (a) of the ellipse, and is separated to annular boides of every one coil. Both end faces in the cut part of this annular body are butted and are welded by a flash butt welding machine.
COPYRIGHT: (C)1982,JPO&Japio
JP7493280A 1980-06-05 1980-06-05 Manufacturing method of fitting flange Expired JPS5942595B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7493280A JPS5942595B2 (en) 1980-06-05 1980-06-05 Manufacturing method of fitting flange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7493280A JPS5942595B2 (en) 1980-06-05 1980-06-05 Manufacturing method of fitting flange

Publications (2)

Publication Number Publication Date
JPS571584A true JPS571584A (en) 1982-01-06
JPS5942595B2 JPS5942595B2 (en) 1984-10-16

Family

ID=13561613

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7493280A Expired JPS5942595B2 (en) 1980-06-05 1980-06-05 Manufacturing method of fitting flange

Country Status (1)

Country Link
JP (1) JPS5942595B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108176987A (en) * 2018-01-09 2018-06-19 杭州富康五金塑料有限公司 A kind of flange production line

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108176987A (en) * 2018-01-09 2018-06-19 杭州富康五金塑料有限公司 A kind of flange production line

Also Published As

Publication number Publication date
JPS5942595B2 (en) 1984-10-16

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