Title:
鋳型粉末及び鋳型コーティング
Document Type and Number:
Japanese Patent JP7269344
Kind Code:
B2
Abstract:
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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Inventors:
Gilman, Francois
Tumi, Murad
Tumi, Murad
Application Number:
JP2021530271A
Publication Date:
May 08, 2023
Filing Date:
November 28, 2019
Export Citation:
Assignee:
Elchem ASA
International Classes:
B22C3/00; B22D13/02; B22D13/10
Domestic Patent References:
| JP2006507125A | ||||
| JP2001269767A | ||||
| JP2008536688A | ||||
| JP3130344A | ||||
| JP4308018A | ||||
| JP6246415A | ||||
| JP43001737B1 | ||||
| JP46012620B1 |
Foreign References:
| US6102983 | ||||
| WO2006068487A1 | ||||
| WO2018004357A1 | ||||
| WO2018004356A1 |
Attorney, Agent or Firm:
Sonoda & Kobayashi Patent Attorneys Corporation