Foundry component having an anticorrosion layer structure
AssigneeOskar Frech GmbH + Co. KG
InventorsHelmar Dannenmann, Alexander Baesgen
Life of this patent
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Abstract
A foundry component for an apparatus for casting or handling a metal melt includes a metallic main body which is provided in a melt-contact surface region with an anticorrosion layer structure composed of one or more superposed layers. The anticorrosion layer structure has, as a sole layer or as one of a plurality of layers, a protective woven fabric body prefabricated as flexible woven fabric body from a woven fabric material which is casting temperature resistant or a nonwoven protective layer prefabricated as pliable nonwoven layer from a fiber nonwoven material or fiber paper material which is casting temperature resistant or a protective shaped body prefabricated as rigid shaped body from a material which is casting temperature resistant.
Claims20
A foundry component for an apparatus for casting or handling a metal melt, the foundry component comprising:
- a metallic main body which is provided in a melt-contact surface region with an anticorrosion layer structure composed of one or more superposed layers, wherein
- the anticorrosion layer structure comprises:
- a plurality of layers, wherein at least two of said layers are selected as two different members of the group consisting of:
- a protective woven fabric body prefabricated as a flexible woven fabric body from a woven fabric material which is casting temperature resistant,
- a nonwoven protective layer prefabricated as a pliable nonwoven layer from a fiber nonwoven material or a fiber paper material which is casting temperature resistant, and
- a protective shaped body prefabricated as a rigid shaped body from a shaped body material which is casting temperature resistant, wherein
- the foundry component is one or part of:
- a casting fitting, a casting vessel, a melt furnace component, and a melt transport component,
- the anticorrosion layer structure is provided only in the melt-contact surface region, and
- the anticorrosion layer structure has a ceramic adhesive layer as an additional, innermost layer.
A foundry component for an apparatus for casting or handling a metal melt, the foundry component comprising:
- a metallic main body which is provided in a melt-contact surface region with an anticorrosion layer structure composed of superposed layers,
- wherein the anticorrosion layer structure comprises as one of a plurality of layers, a protective woven fabric body prefabricated as a flexible woven fabric body from a woven fabric material which is casting temperature resistant or a nonwoven protective layer prefabricated as a pliable nonwoven layer from a fiber nonwoven material or a fiber paper material which is casting temperature resistant or a protective shaped body prefabricated as a rigid shaped body from a shaped body material which is casting temperature resistant,
- wherein the anticorrosion layer structure is multi-ply and comprises at least one further layer, which differs from the one layer, and is selected from the group consisting of:
- the protective woven fabric body, the nonwoven protective layer, the protective shaped body and a ceramic adhesive layer which is casting temperature resistant, and
- wherein
- (i) the anticorrosion layer structure has the ceramic adhesive layer as an innermost layer, or
- (ii) the anticorrosion layer structure has the protective woven fabric body as an outer layer and the nonwoven protective layer as an inner layer, or
- (iii) the anticorrosion layer structure is at least three-ply and has the protective shaped body or the protective woven fabric body as an outer layer, the ceramic adhesive layer as an innermost layer and the nonwoven protective layer as an intermediate layer between the ceramic adhesive layer and the protective shaped body or the protective woven fabric body, wherein
- the foundry component is one or part of:
- a casting fitting, a casting vessel, a melt furnace component, and a melt transport component.
Dependencies are inferred from the claim text.