Mould powder and mould coating

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12083591
SERIAL NO

17297884

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Abstract

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The present invention relates to a mould powder for coating cast moulds for reducing surface defects, such as pinholes, in ductile cast iron products. The mould powder comprises 10-99.5% by weight of a ferrosilicon alloy, 0.5-50% by weight of iron sulphide, and optionally 1-30% by weight of CaSi, and/or 1-10% by weight of CaF2. The invention further relates to a mould coating on and internal surface of a casting mould comprising 10-99.5% by weight of a ferrosilicon alloy, 0.5-50% by weight of iron sulphide, and optionally 1-30% by weight of CaSi, and/or 1-10% by weight of CaF2.

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Patent Owner(s)

Patent OwnerAddress
ELKEM ASADRAMMENSVEIEN 169 OSLO 0277

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Guillemin, Francois Ligny en Barrois, FR 1 0
Toumi, Mourad Saint Maximin, FR 3 9

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