Supports – Suspended supports
Patent
1994-09-20
1995-05-23
Smith, Scott A.
Supports
Suspended supports
403305, 65385, C03B 37012
Patent
active
054173990
ABSTRACT:
In an apparatus for suspending from a quartz rotary shaft, a glass article to be heat treated in a heating furnace so as to support the glass article, a slot is provided for receiving a cylindrical projection formed at an upper end of the glass article, the slot has an elliptical cross section and is formed at a lower end of the rotary shaft. A pin hole for securing the glass article to the rotary shaft, which is formed on the rotary shaft along a minor axis of the slot; wherein a clearance between a peripheral surface of the slot and that of the cylindrical projection along the minor axis of the slot is set to not more than 0.2 mm, while a clearance between the peripheral surface of the slot and that of the cylindrical projection along a major axis of the slot is set to not less than 0.4 mm. An apparatus for supporting a glass article including first and second dummy rods and a coupling member is also provided. Pins extending through the respective dummy rods and coupling member secure the rods to the member.
REFERENCES:
patent: 540834 (1895-06-01), Gumm
patent: 721427 (1903-02-01), Cope
patent: 883499 (1908-03-01), Smith
patent: 2630303 (1953-03-01), Krucker
patent: 2829503 (1958-04-01), Hayes
patent: 4347069 (1982-08-01), Haney et al.
patent: 4684384 (1987-08-01), Berkey
patent: 4960009 (1990-10-01), Schultz et al.
Kobayashi Kohei
Ohga Yuichi
Saito Tatsuo
Sato Hikaru
Takata Kouji
Smith Scott A.
Sumitomo Electric Industries Ltd.
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