Fire escape – ladder – or scaffold – With insulation
Patent
1978-04-14
1980-04-29
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
With insulation
182128, 182142, 250517, E04G 2302, G21F 100, G21F 700
Patent
active
042001722
ABSTRACT:
Described is a movable work station apparatus including travelling-hoist supported tools and a vertically and rotarywise movable frame-carried radiation-shielded enclosure, or gondola, for working personnel involved in tube-bundle-replacement tasks performed within the shell of a steam generator in a nuclear plant. The enclosure, or gondola, is divided and accommodates four upright workers in mutually-facing pairs at opposite sides of a work-accommodating clearanceway observable and accessible from the gondola interior via lead glass windows and hand holes.
REFERENCES:
patent: 3090740 (1963-05-01), Huston
patent: 3454133 (1969-07-01), Gregord
patent: 3955685 (1976-05-01), Smith
patent: 3994365 (1976-11-01), Petermann
patent: 4058184 (1977-11-01), Stuart
patent: 4120378 (1978-10-01), Mills
Andrews Harry N.
Massaro, Jr. Anthony A.
Meuschke Robert E.
Abeles D. C.
Machado Reinaldo P.
Westinghouse Electric Corp.
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