Cleaning material for molding metal die, and cleaning method
AssigneeNippon Carbide Kogyo Kabushiki Kaisha
InventorsKiyohito Hiromitsu, Hiroaki Nomura
Life of this patent
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Abstract
A sheet-like cleaning material for a molding metal die formed by enclosing a cleaning member in at least two layers of sheet-like base materials, characterized in that the cleaning member is formed of one type of tablet-like, granular, or powdery cleaning member or a sheet-like or a plate-like cleaning member. The cleaning material for the molding metal die desirably involves a forming member together with the cleaning member, the sheet-like base materials are desirably formed of sheet-like fiber base materials with a porosity of 70 vol. % or more, and the sheet-like fiber base materials are used as the outermost layer of the cleaning material for the molding metal die.
Claims20
1-9. (canceled)
A mold cleaning material of sheet form comprising at least two base sheets, and a combination of a cleaning member and a molding member enclosed between the base sheets;
- wherein the cleaning member has at least one of a tablet form, a granular form, a powder form, a sheet form, and a plate form, and the molding member is at least one of unvulcanized synthetic rubber and unvulcanized natural rubber.
Dependencies are inferred from the claim text.