Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention
Patent
1995-10-02
1997-01-21
Graysay, Tamara L.
Hydraulic and earth engineering
Earth treatment or control
Shoring, bracing, or cave-in prevention
405133, 405249, 405 14, E02D 1700, E21D 100
Patent
active
055954596
ABSTRACT:
A hole shoring device that includes a support frame, a first hollow octagonal shaped sleeve, a frame linkage, a hollow second octagonal shaped sleeve, a first linkage, a second hollow octagonal shaped sleeve, a second linkage, a third hollow octagonal shaped sleeve, a third linkage, and a fourth hollow octagonal shaped sleeve. The support frame is positioned on an area around a hole in which a tank is to be buried. The first hollow octagonal shaped sleeve is disposed below the support frame and is positioned in the hole. The frame linkage removably connects the first hollow octagonal shaped sleeve and the support frame. The hollow second octagonal shaped sleeve is removably mounted within and extends below the hollow first octagonal shaped sleeve and is positioned in the hole. The first linkage removably connects the hollow second octagonal shaped sleeve and the hollow first octagonal shaped sleeve. The hollow third octagonal shaped sleeve is removably mounted within and extends below the hollow second octagonal shaped sleeve and is positioned in the hole. The second linkage removably connects the hollow third octagonal shaped sleeve and the hollow second octagonal shaped sleeve. The hollow fourth octagonal shaped sleeve is removably mounted within and extends below the hollow third octagonal shaped sleeve and positioned in the hole. And, the third linkage removably connects the hollow fourth octagonal shaped sleeve and the hollow third octagonal shaped sleeve.
REFERENCES:
patent: 81532 (1868-08-01), Perry
patent: 1143184 (1915-06-01), Goldsborough
patent: 1296133 (1917-11-01), Meem
patent: 1775060 (1930-09-01), Bauer, Jr.
patent: 3727413 (1973-04-01), Christen
patent: 4522532 (1985-06-01), Fedrick
patent: 4657442 (1987-04-01), Krings
patent: 5131789 (1992-07-01), Raty
patent: 5302054 (1994-04-01), Winkler et al.
Graysay Tamara L.
Lagman Frederick L.
Miller P.E. Richard L.
LandOfFree
Cofferdam for 4', 8' and 12' diameter tanks does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Cofferdam for 4', 8' and 12' diameter tanks, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cofferdam for 4', 8' and 12' diameter tanks will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2320451