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Primary Examiner: Garvin, Patrick P.
Assistant Examiner: Bell, Mark
Attorney: Ross; Karl F., Dubno; Herbert

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Title: Covering layer for metallic baths

Abstract: A covering layer for metallic baths, i.e. baths of molten metal or metal alloys, especially brass or brass-forming compositions consisting of premelted homogeneous finely divided alkali borosilicate glass in a particle size of less than 60 microns and a composition of substantially 10 to 70% by weight B.sub.2 O.sub.3, 5 to 65% by weight SiO.sub.2 and 5 to 40% by weight of one or more of the alkali-metal oxides Na.sub.2 O, K.sub.2 O and Li.sub.2 O.

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Inventors: Wunder, Wolf (Weisskirchen, DT)
Kohne, Volker (Montabaur, DT)
Hill, Rosolde (Nieder-Roden, DT)
Leogrande, Antonio (Werdohl, DT)

Application Number: 578945
Filing Date: 1975-05-19
Publication_date: 1976-08-24
Assignee: Vereinigte Deutsche Metallwerke AG (Frankfurt am Main, DT)
Primary Class(es): 75/709 75/313, 501/65, 501/77
Other Classes:
US Patent Ref:

943639	Dec, 1909	Rockey et al.	75/96.
1964321	Jun, 1934	Hood	106/54.
2106744	Feb, 1938	Hood et al.	106/54.
2466849	Apr, 1949	Hood	106/54.
2535536	Dec, 1950	Hagmaier	75/94.
3110399	Nov, 1963	Godron	106/54.
3144370	Aug, 1964	Bennett et al.	106/54.
3175937	Mar, 1965	Bayer et al.	106/54.
3748170	Jul, 1973	Michael	106/54.
3765205	Oct, 1973	Schaumberg	106/54.

Other Refs: Other References: "The Properties of Glass," 6. Morey 2nd Ed., Reinhold Publishing Co., N.Y. pp. 235, 250-257, (1954).