JPS6418531A - Method for stripping can body for two piece can - Google Patents

Method for stripping can body for two piece can

Info

Publication number
JPS6418531A
JPS6418531A JP62172258A JP17225887A JPS6418531A JP S6418531 A JPS6418531 A JP S6418531A JP 62172258 A JP62172258 A JP 62172258A JP 17225887 A JP17225887 A JP 17225887A JP S6418531 A JPS6418531 A JP S6418531A
Authority
JP
Japan
Prior art keywords
punch
stripping
amt
temp
plastic working
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
JP62172258A
Other languages
Japanese (ja)
Inventor
Yoshinori Hoshino
Taro Oyama
Hiroshi Ishikawa
Naoki Gunji
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.)
JFE Engineering Corp
Toyo Ink Mfg Co Ltd
Original Assignee
Toyo Ink Mfg Co Ltd
NKK Corp
Nippon Kokan 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 Toyo Ink Mfg Co Ltd, NKK Corp, Nippon Kokan Ltd filed Critical Toyo Ink Mfg Co Ltd
Priority to JP62172258A priority Critical patent/JPS6418531A/en
Publication of JPS6418531A publication Critical patent/JPS6418531A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To reduce the force at the time of stripping of drawing a punch from a can body and to prevent the deformation of the can body by generating the thermal deformation of different deforming amt. on the can body and punch passing a plastic working state. CONSTITUTION:The can body 1 preformed in a cup shape is fitted to the tip of a punch 107 and subjected to plastic working by pushing it in order into a redrawing die 103, 1st-3rd ironing dies 104-106. A hot water is filled from a heating device 4 to the can body 1 reaching a stripping position 108 out of the 3rd ironing die 106 to generate a temp. difference in the space with the punch 107 by raising the temp. of the can body 1. The punch 107 is cooled as well by using a cooling device. The thermal deformation of different deforming amt. is thus caused on the can body 1 and punch 107 and after reducing the contact pressure thereof the punch is pulled out. Consequently the force necessary for the pullout is reduced and the breakdown accident of the can body can be reduced.
JP62172258A 1987-07-10 1987-07-10 Method for stripping can body for two piece can Pending JPS6418531A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62172258A JPS6418531A (en) 1987-07-10 1987-07-10 Method for stripping can body for two piece can

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62172258A JPS6418531A (en) 1987-07-10 1987-07-10 Method for stripping can body for two piece can

Publications (1)

Publication Number Publication Date
JPS6418531A true JPS6418531A (en) 1989-01-23

Family

ID=15938558

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62172258A Pending JPS6418531A (en) 1987-07-10 1987-07-10 Method for stripping can body for two piece can

Country Status (1)

Country Link
JP (1) JPS6418531A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5464069A (en) * 1977-10-11 1979-05-23 Nat Can Corp Production of deep drawn and stripped off container and stripping off ring
JPS5527472A (en) * 1978-08-19 1980-02-27 Daiwa Can Co Ltd Detaching method for can from ironing punch

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5464069A (en) * 1977-10-11 1979-05-23 Nat Can Corp Production of deep drawn and stripped off container and stripping off ring
JPS5527472A (en) * 1978-08-19 1980-02-27 Daiwa Can Co Ltd Detaching method for can from ironing punch

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