Method for producing large glass preforms

Details Method for producing large glass preforms Method for producing large glass preforms

1996-04-29

1998-01-20

Czaja, Donald E.

Glass manufacturing

Processes

With program, time, or cyclic control

65 2917, 65 2918, 65 2919, 65 2921, 65 66, 65123, 65127, 65133, C03B 1116

Patent

active

057097232

ABSTRACT:
A method of making gob preforms for the optical quality lens molding comprising: i) ejecting a measured gob molten glass through an exit in a stem of the container of a supply of molten glass; ii) allowing the gob to settle under gravity from the exit to a catching tool while heating the gob and the catching tool; and iii) continuing to heat the gob and tool until the gob is round.

REFERENCES:
patent: 1619729 (1927-03-01), Howard
patent: 2871000 (1959-01-01), Dowling
patent: 3266881 (1966-08-01), Novack et al.
patent: 3271126 (1966-09-01), Jenkins
patent: 3293017 (1966-12-01), Jenkins
patent: 3573017 (1971-03-01), Griem, Jr.
patent: 3846107 (1974-11-01), Foster et al.
patent: 3860407 (1975-01-01), Fertik
patent: 3888647 (1975-06-01), Breeden et al.
patent: 4011070 (1977-03-01), Hynd
patent: 4165975 (1979-08-01), Kwiatkowski et al.
patent: 4205973 (1980-06-01), Ryan
patent: 4312658 (1982-01-01), Mayer
patent: 4402724 (1983-09-01), Weisenburger et al.
patent: 4549895 (1985-10-01), Izumitani et al.
patent: 4557744 (1985-12-01), Fenton et al.
patent: 4787926 (1988-11-01), Varrasso
patent: 4842085 (1989-06-01), Lang
patent: 5171347 (1992-12-01), Monji et al.
patent: 5284501 (1994-02-01), Monji et al.
patent: 5322541 (1994-06-01), Shimizu et al.
patent: 5378255 (1995-01-01), Ito

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-722391