Glass making apparatus having automatic blank-mold sooting devic

Details Glass making apparatus having automatic blank-mold sooting devic Glass making apparatus having automatic blank-mold sooting devic

1996-07-31

1998-05-05

Griffin, Steven P.

Glass manufacturing

With means providing parting material

65170, 65229, 65 26, 65 291, 65160, 2491141, 249115, 427577, 427450, 427580, 427249, C03B 4000, C03B 900

Patent

active

057468001

ABSTRACT:
A glass making apparatus adapted to deposit a lubricating/detaching layer of carbon black obtained from acetylene cracking on the internal walls of a blank mold (1, 18). The glass making apparatus includes a blank mold (1, 18) having an open top and an open bottom (10); a collar (6) sized, shaped, and positioned to selectively plug the open bottom (10) of the blank mold (1, 18) during a glass forming process and to disengage from the open bottom (10) of the blank mold (1, 18) during a blank mold sooting process; a ring (7) disposed in the collar (6); a plunger (8, 14) sized, shaped, and positioned to selectively move up into the collar (6) and down out of the collar (6); and a sleeve (9) surrounding the plunger (8, 14).

REFERENCES:
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patent: 3141752 (1964-07-01), Keller
patent: 3480422 (1969-11-01), Lichok et al.
patent: 3981711 (1976-09-01), Bjorkstrom
patent: 4402721 (1983-09-01), Ericson et al.
patent: 4412974 (1983-11-01), Nicolas et al.
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patent: 4578099 (1986-03-01), Hubner et al.
patent: 4648893 (1987-03-01), Roux
patent: 4806137 (1989-02-01), Virey
patent: 5120341 (1992-06-01), Nozawa et al.

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