Closing device for large passages in a prestressed pressure vess

Details Closing device for large passages in a prestressed pressure vess Closing device for large passages in a prestressed pressure vess

1980-02-28

1982-09-21

Faw, Jr., Price C.

Static structures (e.g., buildings)

With entrance for persons or objects in horizontal or...

Masonry or concrete

52224, 220315, 220 3, 264 34, E04C 310

Patent

active

043499910

ABSTRACT:
Disclosed is a closing arrangement for large passages in a prestressed pressure vessel comprising a cover means for covering the opening of a passage in the prestressed pressure vessel, an annular structural part having an inner boundary surface surrounding the covering means at a distance and defining a space therebetween, a means for securing the annular structural part to the prestressed pressure vessel and a plurality of connecting elements disposed in the space between the annular structural part and the covering means in abutting relationship with the inner boundary surface of the annular structural part and the covering means.

REFERENCES:
patent: 2873505 (1959-02-01), Sheldon
patent: 3161703 (1964-12-01), Watson
patent: 3252199 (1966-05-01), Bossner
patent: 3353859 (1967-11-01), Schupack
patent: 3389516 (1968-06-01), Ziegler
patent: 3568379 (1971-03-01), Johnsson
patent: 3693822 (1972-09-01), Thillet
patent: 3863410 (1975-02-01), Dorner
patent: 3910447 (1975-10-01), Bevilacqua
patent: 4138030 (1979-02-01), Andersson
patent: 4192717 (1980-03-01), Gross

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