Sealing glass

Details Sealing glass Sealing glass

1984-11-05

1986-05-20

Lindsay, Robert

Glass manufacturing

Processes

Devitrifying glass or vitrifying crystalline glass

65 36, 65 595, 501 15, 501 18, C03C 3066

Patent

active

045898995

ABSTRACT:
A crystallizable sealing glass composition in powered form that is a blend of a Pbo/ZnO/B.sub.2 O.sub.3 /SiO.sub.2 /BaO glass in the vitreous state and a small effective amount of finely divided zinc zirconium silicate as a nucleating agent. The zinc zirconium silicate has an average particle size of about 2 to 8 microns and is used alone, or in combination, with zirconium silicate having an average particle size of about 20 to 30 microns. The glass composition can be used to seal television picture tubes at 440.degree. C. or 460.degree. C. with excellent results, the early stages of crystallization showing large crystals and large glassy area, as well as DTA curve peaks at 15 to 25 minutes at 440.degree. C.

REFERENCES:
patent: 3485648 (1969-12-01), Bishop
patent: 3963505 (1976-06-01), Dumesnil et al.
patent: 4421947 (1983-12-01), Kyle

Affiliated with

Also associated with

Rating

Sealing glass does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Sealing glass, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sealing glass will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2106671