Metal treatment – Process of modifying or maintaining internal physical... – Carburizing or nitriding using externally supplied carbon or...
Patent
1991-08-12
1993-02-16
Kastler, Scott
Metal treatment
Process of modifying or maintaining internal physical...
Carburizing or nitriding using externally supplied carbon or...
148604, 266252, G21D 148
Patent
active
051867648
ABSTRACT:
A method of treating apertured plates with a gaseous medium, e.g. to produce a nitride surface layer thereon, by placing the plates in rows in a furnace and causing the gaseous medium to flow across the surfaces of the plates by circulating the medium through the furnace and deflecting the medium as it flows along the furnace walls away from the walls to give a substantially uniform flow of gas across the plate surfaces.
REFERENCES:
patent: 2067896 (1937-01-01), Babinet
patent: 3201290 (1963-09-01), Wyss
patent: 4051382 (1977-09-01), Ogawa et al.
patent: 4593644 (1986-06-01), Hanak
Kastler Scott
Viscodrive GmbH
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