Pressure resistant square panel

Details Pressure resistant square panel Pressure resistant square panel

1979-04-06

1981-07-21

Hunt, Brooks H.

Stock material or miscellaneous articles

All metal or with adjacent metals

Nonplanar, uniform-thickness material having symmetrical...

428604, 52603, E04C 232, E04C 250

Patent

active

042799660

ABSTRACT:
A pressure resistant square panel made of steel or cast iron comprises flanges extending along peripheral edges of a pressure receiving surface of the panel, a bottom portion along bottom edges of the flanges of the pressure receiving surface, flat portions inside the bottom portion and higher therethan, and reinforcing ribs substantially X-shaped as viewed in a plan view and extending along diagonals of the panel and progressively increasing their heights from corners to a center of the panel.

REFERENCES:
patent: 1151375 (1915-08-01), Murphy
patent: 1182147 (1916-05-01), Dake
patent: 1244806 (1917-10-01), Weisbrod
patent: 2217110 (1940-10-01), Gilpin
patent: 2611454 (1952-09-01), Arehart et al.
patent: 3408779 (1968-11-01), Allen et al.
patent: 3420012 (1969-01-01), Liskey, Jr. et al.
patent: 3696578 (1972-10-01), Swensen et al.

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