Glass manufacturing – Processes – Forming product or preform from molten glass
Patent
1986-05-06
1988-01-05
Lindsay, Robert L.
Glass manufacturing
Processes
Forming product or preform from molten glass
65173, 65327, 65355, 65DIG4, C03B 3709
Patent
active
047174110
ABSTRACT:
A nonprecious metal drain bushing for use in the start-up of a glass melting furnace. The bottom wall of the bushing is relatively wide and thick and is bent downwardly near the ends of the bottom wall to form integral terminal ears. The end portions of the terminal ears are of reduced thickness for attachment by the power clamp. The side walls coverage at an angle down to the bottom wall to facilitate flow of the molten glass through the bushing, and the thickness of the bottom wall and terminal ears is substantially greater than the thickness of the side and end walls.
REFERENCES:
patent: 3511916 (1970-05-01), Sinclair et al.
patent: 3554718 (1971-01-01), Stalego et al.
patent: 4167403 (1979-09-01), Caggin
patent: 4272271 (1981-06-01), Thompson
patent: 4285711 (1981-08-01), Willis
patent: 4566888 (1986-01-01), Schaefer
Lindsay Robert L.
Lister John D.
Manville Corporation
Quinn Cornelius P.
Schulte Timothy R.
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