Glass manufacturing – Processes
Patent
1995-09-12
1997-09-09
Czaja, Donald E.
Glass manufacturing
Processes
65427, 65144, C03B 800
Patent
active
056651325
ABSTRACT:
A hollow cylinder is held in a vertical orientation and sent continuously through a heating zone for sintering. In a first phase of the sintering operation, the hollow cylinder stands on a support while the upper end (12) of the cylinder is being sintered. In a second phase the cylinder hangs from a hanging element while its lower end (10) is sintered. A vertical rod is fixed to the base on which the lower end is supported, and extends through the hollow cylinder. A retaining ring is fixed inside the upper end of the hollow cylinder. During the first phase, the upper end vitrifies and contracts so that the retaining ring engages the vertical rod. Longitudinal contraction causes the lower end to lift off the base so that the cylinder is suspended during the second phase.
REFERENCES:
patent: 4157906 (1979-06-01), Bailey
patent: 4251251 (1981-02-01), Blankenship
patent: 4289522 (1981-09-01), Bailey et al.
patent: 4362545 (1982-12-01), Bailey et al.
patent: 4388094 (1983-06-01), Carpenter et al.
patent: 4486212 (1984-12-01), Berkey
patent: 4494968 (1985-01-01), Bhagavatula et al.
patent: 5076824 (1991-12-01), Miller
patent: 5352259 (1994-10-01), Oku et al.
patent: 5423898 (1995-06-01), Terashima et al.
Christiansen Uwe
Dittmer Klaus
Hunermann Michael
Ruppert Klaus
Steinkohl Anton
Czaja Donald E.
Heraeus Quarzglas GmbH
Ruller Jacqueline A.
LandOfFree
Process for the sintering of hollow cylinders of silicon dioxide does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for the sintering of hollow cylinders of silicon dioxide, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the sintering of hollow cylinders of silicon dioxide will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-66302