Process of production of compressor shoe

Details Process of production of compressor shoe Process of production of compressor shoe

2005-01-04

2005-01-04

Yee, Deborah (Department: 1742)

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

C148S633000, C148S628000, C148S625000, C148S660000

Reexamination Certificate

active

06837948

ABSTRACT:
A process of production of a compressor shoe superior in durability and reduced in manufacturing cost, wherein a process of quenching the shoe is performed in a vacuum, inert gas, or modified gas so as to prevent oxidation of the chrome and manganese of the surface of the material or the quenching process is performed after forming an antioxidation film on the surface of the material to prevent the oxidation of the chrome and manganese.

REFERENCES:
patent: 4512175 (1985-04-01), Kaku et al.
patent: 4683804 (1987-08-01), Futamura et al.
patent: 5082512 (1992-01-01), Futamura et al.
patent: 11-132143 (1999-05-01), None
English abstract of Japanese patent 54075402, dated Jun. 16, 1979.*
EP 02 01 2681 Search Report dated Oct. 8, 2003.

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