Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1975-04-02
1976-04-06
Kaplan, G. L.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204243R, 220213, 228173, 228182, C25C 700, F16B 508
Patent
active
039487490
ABSTRACT:
A shield or door for openings in the sides of an aluminum reduction pot is constructed from extrusions rolled to a desired curvature and fitted together longitudinally with tongue and groove means. The upper end of the shield is provided with an insulated lip adapted to rest on a corresponding lip of the potline. The bottom of the shield comprises a longitudinal triangular extrusion adapted to rest in a longitudinal groove of the potline. The shield containing a grab handle is adapted to be easily placed or removed from the side openings of the potline and are adapted to prevent noxious gases from escaping from the openings.
REFERENCES:
patent: 3673074 (1972-06-01), Hirt et al.
patent: 3714002 (1973-01-01), Kibby
patent: R27383 (1972-05-01), Johnson
Copperloy Corporation
Kaplan G. L.
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