Method of producing a cast-iron element
AssigneeEisengiesserei Monforts GmbH & Co.
InventorsRudi Hass, Georg Jansen, Wilhelm Kallen
Life of this patent
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Abstract
A method and apparatus for casting a cast-iron element with a non-iron interior area utilizes a molding core formed of a glass material, which may be tubular or solid and may, as desired, be entirely enclosed within the casting.
Claims11
A method of producing a cast-iron element having a non-iron interior area, said method comprising the steps of providing a forming mold, positioning a molding core of a glass material within said mold, and casting a quantity of iron within said mold to entirely enclose said glass molding core.
A method of producing an elongate cast-iron shaft having an elongated non-iron interior area, such as a camshaft, crankshaft or the like of the type for use in an internal combustion engine, said method comprising providing a shaft forming mold, positioning a molding core of a glass material within said mold, and casting a quantity of iron within said mold about said glass molding core.
Dependencies are inferred from the claim text.