Metal treatment – Process of modifying or maintaining internal physical... – With measuring – testing – or sensing
Patent
1995-05-12
1996-11-26
Ip, Sikyin
Metal treatment
Process of modifying or maintaining internal physical...
With measuring, testing, or sensing
134 19, 264 401, C04B 3564
Patent
active
055781470
ABSTRACT:
Process and apparatus for the heat treating of a part suspected of containing a lubricant in which the part is preheated to a temperature at which the lubricant vaporizes, the vaporized lubricant is converted to at least one gaseous by-product, the concentration of at least one of the by-products is then measured and heat treating of the part is conducted when the concentration of the measured by-product or total C--H bonds thereof reaches a predetermined value.
REFERENCES:
patent: 4495148 (1985-01-01), Sarnes et al.
patent: 4795598 (1989-01-01), Billiet
patent: 4840680 (1989-06-01), Wang
patent: 5016809 (1991-05-01), Winterbottom et al.
patent: 5078929 (1992-01-01), Matsumae et al.
Nayar Harbhajan S.
White, III George R.
Draegert David A.
Ip Sikyin
Swope R. Hain
The BOC Group Inc.
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