Device and method for manufacturing resin coated metal...

Details Device and method for manufacturing resin coated metal... Device and method for manufacturing resin coated metal...

2007-03-20

2007-03-20

Tolan, Ed (Department: 3725)

Metal deforming

With temperature modification of tool or of specified...

Of tool

C072S342400, C072S349000, C072S364000, C072S379400

Reexamination Certificate

active

10492536

ABSTRACT:
In forming a can body by processing a cup-shaped in-process material with a punch and a die, the die is not heated when the forming process is not carried out, and the die is heated when the forming process is carried out. Therefore, the temperature of the die is adjusted in accordance with the temperature rise of the punch result from the forming process, a clearance between the punch and the die can be maintained, misalignment of the punch and the die can be prevented, and slip and elongation becomes preferable. Therefore, nonuniformity in the wall thickness, breakage of the can body, and breakage of a flange can be suppressed.

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