JPS5650727A - Drawing method of gasoline tank or the like - Google Patents

Drawing method of gasoline tank or the like

Info

Publication number
JPS5650727A
JPS5650727A JP12494079A JP12494079A JPS5650727A JP S5650727 A JPS5650727 A JP S5650727A JP 12494079 A JP12494079 A JP 12494079A JP 12494079 A JP12494079 A JP 12494079A JP S5650727 A JPS5650727 A JP S5650727A
Authority
JP
Japan
Prior art keywords
parts
cut line
drawing direction
concave
blank
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
JP12494079A
Other languages
Japanese (ja)
Other versions
JPS5756410B2 (en
Inventor
Koichi Okamoto
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.)
Suzuki Motor Corp
Original Assignee
Suzuki Motor Corp
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 Suzuki Motor Corp filed Critical Suzuki Motor Corp
Priority to JP12494079A priority Critical patent/JPS5650727A/en
Publication of JPS5650727A publication Critical patent/JPS5650727A/en
Publication of JPS5756410B2 publication Critical patent/JPS5756410B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

PURPOSE: To apply resistance by step parts during forming, eliminate the need for any blank holders and improve yield by providing concave and convex fitting parts to the side walls of a punch and a die behind the cut line step parts of a drawn product.
CONSTITUTION: Concave and convex fitting parts 2, 4 extending in the drawing direction of the depth not reaching a cut line 6 are provided behind the cut line 6 of the drawn product to be formed between the side walls of a punch 1 and a die 3. Then, the step parts 9 formed at the end parts in the drawing direction of the convex flights 2 and the concave grooves 4 apply stretching resistance in the drawing direction upon the blank 10 during drawing. This eliminates the need for providing circumferential edge parts 8 for the purpose of blank holding.
COPYRIGHT: (C)1981,JPO&Japio
JP12494079A 1979-09-28 1979-09-28 Drawing method of gasoline tank or the like Granted JPS5650727A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12494079A JPS5650727A (en) 1979-09-28 1979-09-28 Drawing method of gasoline tank or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12494079A JPS5650727A (en) 1979-09-28 1979-09-28 Drawing method of gasoline tank or the like

Publications (2)

Publication Number Publication Date
JPS5650727A true JPS5650727A (en) 1981-05-08
JPS5756410B2 JPS5756410B2 (en) 1982-11-30

Family

ID=14897945

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12494079A Granted JPS5650727A (en) 1979-09-28 1979-09-28 Drawing method of gasoline tank or the like

Country Status (1)

Country Link
JP (1) JPS5650727A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011147976A (en) * 2010-01-22 2011-08-04 Daihatsu Motor Co Ltd Press forming die

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011147976A (en) * 2010-01-22 2011-08-04 Daihatsu Motor Co Ltd Press forming die

Also Published As

Publication number Publication date
JPS5756410B2 (en) 1982-11-30

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