Bushing construction

Glass manufacturing – Processes – Forming product or preform from molten glass


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65 2, 65326, C03B 3709




A flat plate bushing is described which eliminates extensive precious metal use in drain and/or production bushings. The bushing utilizes a novel arrangement of insulation members and support plates that allow the bushing to be electrically heated and a novel method of connecting the bushing to a power source using the bushing face plate as the connection point is also shown.

patent: 3160492 (1964-12-01), Chapman et al.
patent: 4017294 (1977-04-01), Sanford et al.
patent: 4351656 (1982-09-01), Jensen


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