Title: Method for continuous passivation of sponge iron material

Abstract: A method for continuous passivation of hot sponge iron material, by feeding hot sponge iron material to a compactor, compacting the material to a high density elongated strip-like mass, cutting the mass longitudinally into a plurality of strips while simultaneously compacting the freshly cut longitudinal edges, cutting the strips transversely of their longitudinal dimensions while simultaneously compacting these freshly cut transverse edges.

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Inventors: Pietsch, Wolfgang B. (Matthews, NC, US)

Application Number: 673788
Filing Date: 1976-04-05
Publication_date: 1978-02-28
Assignee: Midrex Corporation (Charlotte, NC)
Primary Class(es): 419/43
Other Classes:
US Patent Ref:

1337458	Apr, 1920	Lamb	83/408.
2287663	Jun, 1942	Brassert	75/33.
2839397	Jun, 1958	Cavanagh	75/33.
3005701	Oct, 1961	Eberhardt	75/34.
3501561	Mar, 1970	Oxley et al.	264/111.
3650168	Mar, 1972	Ruschmann	83/906.
3740215	Jun, 1973	Burk et al.	29/420.
3986864	Oct, 1976	Hofmann et al.	264/118.
3986870	Oct, 1976	Danieli et al.	75/211.

Other Refs:
Primary Examiner: Rutledge, L. Dewayne
Assistant Examiner: Lewis, Michael L.
Attorney: Dougherty; Ralph H.