Kick-down drum material and method of manufacturing the same

Details Kick-down drum material and method of manufacturing the same Kick-down drum material and method of manufacturing the same

2007-05-22

2007-05-22

Ip, Sikyin (Department: 1742)

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

C148S566000, C148S567000, C148S570000, C148S571000, C148S641000, C477S034000

Reexamination Certificate

active

11001586

ABSTRACT:
Disclosed is a material of a kick-down drum comprising fine ferrite and microdispersion spheroidized cementite for an automobile also disclosed is a method for manufacturing the kick-down drum material. The kick-down drum of this invention can greatly improve hardenability and durability of the spline member and also has advantages of reducing production costs due to a simplified process of adding only a heating process.

REFERENCES:
patent: 2003055537 (2003-07-01), None

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