High temperature roll

C - Chemistry – Metallurgy – 03 – B

Patent

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Details

C03B 35/18 (2006.01) B65G 39/02 (2006.01) C03B 13/16 (2006.01)

Patent

CA 2690441

The present invention describes a roll for use in glass manufacture, espe-cially non- dusting TFT glass. The roll may include a hollow fused silica cylinder. End caps are mechanically fixed to the roll. Pulling flats are fixed in place by inner and outer end plates. A compression fitting secures at least the outer end plate to the roll. The roll may be reinforced with an internal metal rod that is secured to the shaft by a plurality of supports. The supports accommodate differences in thermal expansion.

La présente invention concerne un rouleau à utiliser dans la fabrication du verre, spécialement du verre TFT non poussiéreux. Le rouleau peut comprendre un cylindre de silice fondue creux. Des capuchons sont fixés mécaniquement au rouleau. Des faces de tirage sont fixées en place par des plaques d'extrémité interne et externe. Une bague de compression fixe au moins la plaque d'extrémité externe au rouleau. Le rouleau peut être renforcé d'une tige de métal interne qui est fixée à l'arbre par une pluralité de supports. Les supports s'adaptent à des différences de dilatation thermique.

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