JPS5791832A - Formation of can opening part - Google Patents

Formation of can opening part

Info

Publication number
JPS5791832A
JPS5791832A JP16841680A JP16841680A JPS5791832A JP S5791832 A JPS5791832 A JP S5791832A JP 16841680 A JP16841680 A JP 16841680A JP 16841680 A JP16841680 A JP 16841680A JP S5791832 A JPS5791832 A JP S5791832A
Authority
JP
Japan
Prior art keywords
opening part
beading
drum
subsequently
sealing property
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
JP16841680A
Other languages
Japanese (ja)
Other versions
JPS6054811B2 (en
Inventor
Hiroyoshi Sugiura
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.)
SUGIURA SEIKAN KK
Original Assignee
SUGIURA SEIKAN 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 SUGIURA SEIKAN KK filed Critical SUGIURA SEIKAN KK
Priority to JP16841680A priority Critical patent/JPS6054811B2/en
Publication of JPS5791832A publication Critical patent/JPS5791832A/en
Publication of JPS6054811B2 publication Critical patent/JPS6054811B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To remarkably reinforce a can opening part, and also to raise its sealing property, by constituting the can opening part of a double wall by necessary width.
CONSTITUTION: A can drum 1 is formed by cylindrically winding a rectangular metallic thin plate, overlapping its end edges a little, and welding said overlapped part. Subsequently, a ring collar 2 is formed by extending the lower end of the can drum 1 to the outside, also a beading 3 is formed by winding the upper end of the can drum, and the circumferential edge of an end plate 4 is wound, clamped and fixed to the ring collar 2. Subsequently, an upper mold 5 is screwed-down in a state that it has press-contacted with the beading 3, and when the beading 3 is lowered, the can opening part is formed in a double wall 6. The can opening part formed in this way is satisfactory in its accuracy in case of fitting a cover 9 having a stopper 8, as well, and also its area contacting with the cover is wide, therefore, its sealing property is good, the can opening part has large strength, and no deformation occurs when handling it.
COPYRIGHT: (C)1982,JPO&Japio
JP16841680A 1980-11-28 1980-11-28 Mouth forming method Expired JPS6054811B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16841680A JPS6054811B2 (en) 1980-11-28 1980-11-28 Mouth forming method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16841680A JPS6054811B2 (en) 1980-11-28 1980-11-28 Mouth forming method

Publications (2)

Publication Number Publication Date
JPS5791832A true JPS5791832A (en) 1982-06-08
JPS6054811B2 JPS6054811B2 (en) 1985-12-02

Family

ID=15867715

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16841680A Expired JPS6054811B2 (en) 1980-11-28 1980-11-28 Mouth forming method

Country Status (1)

Country Link
JP (1) JPS6054811B2 (en)

Also Published As

Publication number Publication date
JPS6054811B2 (en) 1985-12-02

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