Heat-resistant roll, manufacturing method thereof, and plate glass manufacturing method using such heat-resistant roll
AssigneeNichias Corporation
InventorsKazuhisa Watanabe, Tetsuya Mihara
Life of this patent
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Abstract
A method for producing a heat-resistant roll including: a roll part fabricating step for fabricating a roll part comprising 5 wt % or more of a clay mineral; a grinding step for grinding the roll surface of the roll part; a surface treatment step for conducting a surface treatment in which the ground roll surface is smoothed in a moisturized state; and a clay coating film forming step for forming a coating film of a clay mineral on the surface-treated roll surface.
Claims14
A method for producing a heat-resistant roll comprising:
- a roll part fabricating step for fabricating a roll part comprising 5 wt % or more of a clay mineral;
- a grinding step for grinding a roll surface of the roll part;
- a surface treatment step for conducting a surface treatment in which the ground roll surface is smoothed in a moisturized state;
- and
- a clay coating film forming step for forming a coating film of a clay mineral on the surface-treated roll surface.
The method for producing a heat-resistant roll comprising:
- a roll part fabricating step for fabricating a roll part comprising 5 wt % or more of a clay mineral;
- a grinding step for grinding a roll surface of the roll part;
- and
- a surface treatment step for conducting a surface treatment in which the ground roll surface is smoothed in a state moisturized with a clay mineral-containing liquid, whereby a coating film of the clay mineral is formed on the roll surface.
A heat-resistant roll wherein a surface part of a roll part containing 5 wt % or more of a clay mineral is covered by a clay mineral.
Dependencies are inferred from the claim text.