JPS579545A - Manufacture of can port - Google Patents

Manufacture of can port

Info

Publication number
JPS579545A
JPS579545A JP8390780A JP8390780A JPS579545A JP S579545 A JPS579545 A JP S579545A JP 8390780 A JP8390780 A JP 8390780A JP 8390780 A JP8390780 A JP 8390780A JP S579545 A JPS579545 A JP S579545A
Authority
JP
Japan
Prior art keywords
port
opening
circular
rising
pressing
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
JP8390780A
Other languages
Japanese (ja)
Inventor
Shigeharu Hirohama
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.)
HIROHAMA KINZOKU KOGYO KK
Original Assignee
HIROHAMA KINZOKU 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 HIROHAMA KINZOKU KOGYO KK filed Critical HIROHAMA KINZOKU KOGYO KK
Priority to JP8390780A priority Critical patent/JPS579545A/en
Publication of JPS579545A publication Critical patent/JPS579545A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To form a can port with good accuracy by forming an opened vertically rising part to a can top sheet, forming the vertical rising part to a circular part extending downward from the upper part of the outside and further inward, and sticking this by pressing to the circular conical rising part side formed to the circumferential edge part of the opening.
CONSTITUTION: A vertically rising part 9a having an opening 8 is formed in the prescribed position of a can top plate 7, and the part 9a is formed to a circular part 9a' extending downward from the upper part of the outer side and further inward. On the other hand, the circumferential edge part of the opening is risen to form a circular conical rising part 8b, and at this same instant, the outer side part of the part 9a' is stuck by pressing to the part 9b and is formed to a flat part 9a" along with this, whereby the can port is formed.
COPYRIGHT: (C)1982,JPO&Japio
JP8390780A 1980-06-23 1980-06-23 Manufacture of can port Pending JPS579545A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8390780A JPS579545A (en) 1980-06-23 1980-06-23 Manufacture of can port

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8390780A JPS579545A (en) 1980-06-23 1980-06-23 Manufacture of can port

Publications (1)

Publication Number Publication Date
JPS579545A true JPS579545A (en) 1982-01-19

Family

ID=13815683

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8390780A Pending JPS579545A (en) 1980-06-23 1980-06-23 Manufacture of can port

Country Status (1)

Country Link
JP (1) JPS579545A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62183451U (en) * 1986-05-09 1987-11-20

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62183451U (en) * 1986-05-09 1987-11-20

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