Radiation reducing manway doors

Details Radiation reducing manway doors Radiation reducing manway doors

1988-03-31

1990-06-12

Foster, Jimmy G.

Receptacles

Closures

Secondary closure within parameter of primary closure

2505171, 376205, 376287, B65D 5100

Patent

active

049325531

ABSTRACT:
A radiation reducing door assembly comprises a mounting bracket having hinge means affixed thereto, said hinge means defining different axes of rotation for doors of at least two types, the doors being sized and shaped to overlie at least a portion of the opening with which the assembly is associated. The door assembly also includes means for rotatably coupling the removable doors to the hinge means whereby the mounted door is supported from said bracket and may be pivoted between open and closed positions.

REFERENCES:
patent: 962174 (1910-06-01), Stevenson
patent: 1238692 (1917-08-01), Krogel
patent: 1485312 (1924-02-01), Sweeley
patent: 2141481 (1938-12-01), Mattingley
patent: 2970347 (1961-02-01), Massopust
patent: 4071404 (1978-01-01), Aoki
patent: 4095640 (1978-06-01), Beckerer, Jr.
patent: 4519519 (1985-05-01), Meuschke et al.
patent: 4801423 (1989-01-01), Warren et al.

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