Process for reducing backmixing

Details Process for reducing backmixing Process for reducing backmixing

1982-05-26

1984-05-15

O'Keefe, Veronica

Metal treatment

Compositions

Heat treating

266 44, 432 22, 432 64, 110179, F27B 322, F27D 700, F23M 1102

Patent

active

044486162

ABSTRACT:
This invention relates to a process for substantially reducing the backmixing or backflow of gases into metal heat treating furnaces by the use of a particular gas jet and a defined flow rate.

REFERENCES:
patent: 1725059 (1929-08-01), Colby
patent: 1803007 (1956-12-01), Dreffein
patent: 2775216 (1956-12-01), Alexeff et al.
patent: 2823629 (1958-02-01), Wittke
patent: 3039407 (1962-06-01), Daman
patent: 3142272 (1964-07-01), Phillips et al.
patent: 3223396 (1965-12-01), Thompson
patent: 3397874 (1968-08-01), Augustine
patent: 3931684 (1976-01-01), O'Hara et al.
patent: 4150494 (1979-04-01), Rothchild
patent: 4298341 (1981-11-01), Nowack

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