Precision pressed glass object, glass, method of preparing glass

Details Precision pressed glass object, glass, method of preparing glass Precision pressed glass object, glass, method of preparing glass

1980-06-19

1982-09-07

McCarthy, Helen M.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 44, 501 48, 501903, C03C 316

Patent

active

043484840

ABSTRACT:
Glass objects, lenses in particular, can be pressed with precision from a glass which contains 45-55 mol. % P.sub.2 O.sub.5, 15-40 mol. % BaO, 5-15 mol. % Li.sub.2 O, 5-35 mol. % PbO, 0-2 mol. % Al.sub.2 O.sub.3 and 0-6 mol. % F.

REFERENCES:
patent: 3281253 (1966-10-01), Weidel
patent: 3281254 (1966-10-01), Weidel
patent: 3485646 (1969-12-01), Junge
patent: 3585057 (1971-06-01), Jahn
patent: 3846142 (1974-11-01), Buzhinsky et al.
patent: 3979322 (1976-09-01), Alexeev et al.
patent: 3989532 (1976-11-01), Ray et al.
patent: 4026714 (1977-05-01), Lewis
patent: 4108673 (1978-08-01), Toratani et al.
patent: 4285730 (1981-08-01), Sanford et al.
Leidtorp, R. A., "Vitrification and Crystallization Capacity of BaPO.sub.3 -AlF.sub.3 (GaF.sub.3)-(Li, Na, K, Zn, Cd, Pb)F.sub.x Glasses", Izv. Akad. Nauk. SSSR, Neorg. Mater. 1972, 8 (11), pp. 2053-2054.

Affiliated with

Also associated with

Rating

Precision pressed glass object, glass, method of preparing 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 Precision pressed glass object, glass, method of preparing glass, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Precision pressed glass object, glass, method of preparing glass will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1342822