Skid button structure
AssigneeToshiba Ceramics Co., Ltd.
InventorsHajime Yamashita, Toshiyuki Hirao, Masatoshi Yamazaki
Life of this patent
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Abstract
A walking beam type heating furnace for steels has a conventional skid pipe through which a coolant flows, a skid button made of a ceramic material, a base fixed to an upper portion of the skid pipe, an attachment frame attached to the base for holding the skid button in its supporting position, and a thermal insulating material placed at a bottom portion of the skid button for supporting the skid button. The thermal insulating material has a high strength, high density, low thermal conductivity and high coefficient of thermal expansion such as quartz glass, vycol glass, hard glass and soda lime glass.
Claims15
A skid button for attachment to a skid pipe and for supporting steel thereon in a furnace, said skid button comprising:
- a unitary ceramic button having a first cylindrical portion for supporting steel thereon and a second cylindrical portion of a diameter larger than that of said first cylindrical portion, said cylindrical portions being integrally formed as a single ceramic body;
- attachment means, in the form of a cylindrical member, for attaching said ceramic button to a skid pipe, said cylindrical member having a bottom and a top opening, said second cylindrical portion being contained within said attachment means and spaced inwardly from the bottom of said attachment means to define a gap therebetween;
- and
- thermal insulating material disposed in said gap.
A skid button for attachment to a skid pipe and for supporting steel thereon in a furnace, said skid button comprising:
- a ceramic button having a first cylindrical portion for supporting steel thereon, a second cylindrical portion of a diameter larger than that of said first cylindrical portion and a waist portion connecting said first and second cylindrical portions, said first and second cylindrical portions and said waist portion being integrally formed as a single ceramic body;
- attachment means, in the form of a cylindrical member, for attaching said ceramic button to a skid pipe, said attachment means having a bottom and a top opening, said second cylindrical portion being contained within said attachment means and spaced inwardly from the bottom of said attachment means to define a gap therebetween;
- and
- a glass plate disk disposed within said gap.
Dependencies are inferred from the claim text.