Metal working – Method of mechanical manufacture – Repairing
Patent
1984-05-17
1985-04-02
Goldberg, Howard N.
Metal working
Method of mechanical manufacture
Repairing
2940202, 137 15, 137315, B23P 700
Patent
active
045078416
ABSTRACT:
An improved method of removing a seal unit from a process vessel bottom entering agitator assembly and reinstalling a seal unit therein wherein a selectively elevatable table which is movably mounted on a pair of horizontal rails is utilized in lowering and raising seal units during the removal and reinstallation thereof.
REFERENCES:
patent: 2945709 (1960-07-01), Freed et al.
patent: 3123364 (1964-03-01), Ennis
patent: 3525529 (1970-08-01), Pfeifer et al.
patent: 3846899 (1974-11-01), Gross
Goldberg Howard N.
Rising V. K.
Vista Polymers Inc.
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