SUPPORT ROLL, GLASS MANUFACTURING APPARATUS, AND GLASS MANUFACTURING METHOD

• Main Authors: HIRAHARA YASUHARU, ANDO HIROSHI, ICHIKAWA YUJI
• Format: Patent
• Language: English; Japanese
• Published: 20.10.2016
• Subjects: CHEMISTRY; GLASS; MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES; METALLURGY; MINERAL OR SLAG WOOL

PROBLEM TO BE SOLVED: To provide a support roll capable of reducing heat removal by controlling properly cooling of a rotor in a high temperature range, and holding properly glass by the rotor.SOLUTION: In a support roll of a molten glass ribbon conveyed into a heat treatment furnace having a rotary shaft part having a hollow structure to be inserted into an opening part of a side wall of the heat treatment furnace, and a rotor provided on the tip part of the rotary shaft part, supporting the molten glass ribbon, and having a hollow structure inside, a high heat medium is circulated through each hollow part of the rotary shaft part and the rotor.SELECTED DRAWING: Figure 1 【課題】本発明は、高い温度領域で回転体の冷却を適切に管理して脱熱を低減でき、かつ、回転体がガラスを適切に保持できる支持ロールを提供する。【解決手段】熱処理炉内に搬送される溶融ガラスリボンの支持ロールであって、熱処理炉の側壁の開口部に挿通される中空構造の回転軸部と、回転軸部の先端部に設けられ、溶融ガラスリボンを支持し且つ内部が中空構造とされる回転体とを有しており、回転軸部および回転体の中空部内に、高熱媒体が流通される。【選択図】図１