JPS6475121A - Die for metallic sleeper - Google Patents

Die for metallic sleeper

Info

Publication number
JPS6475121A
JPS6475121A JP23307487A JP23307487A JPS6475121A JP S6475121 A JPS6475121 A JP S6475121A JP 23307487 A JP23307487 A JP 23307487A JP 23307487 A JP23307487 A JP 23307487A JP S6475121 A JPS6475121 A JP S6475121A
Authority
JP
Japan
Prior art keywords
die
flat part
constitution
upper die
middle section
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
JP23307487A
Other languages
Japanese (ja)
Inventor
Tadashi Kono
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.)
Mishima Kosan Co Ltd
Original Assignee
Mishima Kosan 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 Mishima Kosan Co Ltd filed Critical Mishima Kosan Co Ltd
Priority to JP23307487A priority Critical patent/JPS6475121A/en
Publication of JPS6475121A publication Critical patent/JPS6475121A/en
Pending legal-status Critical Current

Links

Landscapes

  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

PURPOSE:To improve quality by constituting the die in such a manner that an upper die has a tapered part from the central flat part toward both ends with descending slopes and a lower die has a flat part at the middle section and similar tapered parts at both ends. CONSTITUTION:On the middle section of the rear surface of the base plate 1 of the upper die A, a flat part 2-1 is provided. The tapered parts 2-2 having descending slopes from the flat part 2-1 toward both ends are formed and trapezoid restricting members 3 is provided protrudingly on both sides of the upper die A. As for the lower die B, its constitution is similar. By this constitution, the dimensional accuracy of the products is improved.
JP23307487A 1987-09-16 1987-09-16 Die for metallic sleeper Pending JPS6475121A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23307487A JPS6475121A (en) 1987-09-16 1987-09-16 Die for metallic sleeper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23307487A JPS6475121A (en) 1987-09-16 1987-09-16 Die for metallic sleeper

Publications (1)

Publication Number Publication Date
JPS6475121A true JPS6475121A (en) 1989-03-20

Family

ID=16949396

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23307487A Pending JPS6475121A (en) 1987-09-16 1987-09-16 Die for metallic sleeper

Country Status (1)

Country Link
JP (1) JPS6475121A (en)

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