JPS5659545A - Production of fitting having short cylinder - Google Patents

Production of fitting having short cylinder

Info

Publication number
JPS5659545A
JPS5659545A JP13674679A JP13674679A JPS5659545A JP S5659545 A JPS5659545 A JP S5659545A JP 13674679 A JP13674679 A JP 13674679A JP 13674679 A JP13674679 A JP 13674679A JP S5659545 A JPS5659545 A JP S5659545A
Authority
JP
Japan
Prior art keywords
hole
short cylinder
lancing
parts
metal plate
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
JP13674679A
Other languages
Japanese (ja)
Inventor
Minoru Yamaji
Osamu Yoneda
Masahiro Nishino
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP13674679A priority Critical patent/JPS5659545A/en
Publication of JPS5659545A publication Critical patent/JPS5659545A/en
Pending legal-status Critical Current

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  • Forging (AREA)

Abstract

PURPOSE: To obtain titled fittings simply, easily and with a minimum material loss by expanding the hole or lancing formed in a metal plate to a circular shape, raising the outside circumferential part to form a short cylinder and forming both side parts of the hole or lancing to projecting pieces in one piece with the short cylinder.
CONSTITUTION: A hole 2 of a slit shape or lancing is formed by pressing etc. in a metal plate 1 of a width equal to the width of the legs, etc. provided in continuation to a cylindrical part, in its longitudinal direction. This is loaded into a die set, and the die is press-fitted into the hole 2 to forcibly expand the hole 2 to a ring shape; at the same time, both side parts 3 of the hole 2 are raised perpendicularly to form a short cylinder 4. In this case, both end parts 5 of the plate 1 become legs or fixing pieces. Screw holes 6 are opened in these and these parts are bent depending upon the purposes of use.
COPYRIGHT: (C)1981,JPO&Japio
JP13674679A 1979-10-22 1979-10-22 Production of fitting having short cylinder Pending JPS5659545A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13674679A JPS5659545A (en) 1979-10-22 1979-10-22 Production of fitting having short cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13674679A JPS5659545A (en) 1979-10-22 1979-10-22 Production of fitting having short cylinder

Publications (1)

Publication Number Publication Date
JPS5659545A true JPS5659545A (en) 1981-05-23

Family

ID=15182530

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13674679A Pending JPS5659545A (en) 1979-10-22 1979-10-22 Production of fitting having short cylinder

Country Status (1)

Country Link
JP (1) JPS5659545A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4876774A (en) * 1972-01-17 1973-10-16

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4876774A (en) * 1972-01-17 1973-10-16

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