Method for removing oily substances from metallic articles

Details Method for removing oily substances from metallic articles Method for removing oily substances from metallic articles

1998-06-19

1999-09-14

Lazarus, Ira S.

Combustion

Process of combustion or burner operation

Burning waste gas, e.g., furnace gas, etc.

126 91A, 110236, 294033, 294034, 134 21, F23B 700

Patent

active

059512750

ABSTRACT:
Combustibles such as oily substances adhered to or impregnated in metallic articles are removed, before the articles are subjected to a heat-treatment for carburizing or sintering them, by heating them in a heating chamber with a combustion tube, and discharging the combustibles outside of the chamber after having sucked under a negative air pressure the combustibles into the tube instantly they have been evaporated from the articles and after having burnt the combustibles in the tube.

REFERENCES:
patent: 3346417 (1967-10-01), Ehrlich
patent: 3564699 (1971-02-01), Moore
patent: 3598649 (1971-08-01), Juhasz
patent: 3734774 (1973-05-01), Culpepper, Jr.
patent: 3745942 (1973-07-01), Thompson et al.
patent: 3821026 (1974-06-01), Swartz
patent: 4915038 (1990-04-01), Sujata et al.
patent: 4988287 (1991-01-01), Stegelman et al.
patent: 5724901 (1998-03-01), Guy et al.

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