Heat retaining shield in glass gob former

Details Heat retaining shield in glass gob former Heat retaining shield in glass gob former

1980-10-10

1982-05-04

Fisher, Richard V.

Glass manufacturing

Molten glass dispensing means

Discharge orifice below melt level

65330, 65331, C03B 708

Patent

active

043280234

ABSTRACT:
In glass gob forming apparatus which includes one or more reciprocatable plungers each mounted above a respective orifice in the floor of a refractory trough such that on axial reciprocation of the plungers in use molten glass is forced in the form of gobs through the orifice, the plungers being surrounded by a refractory cylinder, there is provided a refractory heat insulating body within the cylinder around the plungers.

REFERENCES:
patent: 1766638 (1930-06-01), Howard
patent: 2141425 (1938-12-01), Wadsworth
patent: 3846107 (1974-11-01), Foster et al.

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