Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention
Reexamination Certificate
2011-07-19
2011-07-19
Singh, Sunil (Department: 3672)
Hydraulic and earth engineering
Earth treatment or control
Shoring, bracing, or cave-in prevention
C405S281000
Reexamination Certificate
active
07980789
ABSTRACT:
A combination wall (10) for supporting the ground comprises at least two tubular piles (12) adapted to be rammed at least part way into the ground and a wall element (14) inserted between two respective adjacent tubular piles (12). The wall element (14) is provided with interlocks (22) that are used to engage the wall element (14) with interlock profiles (18) that are provided on the tubular piles (12). The wall element (14), when hung between the tubular piles (12), is designed as a segment of a circle with an at least approximately circle-segment-shaped cross-section.
REFERENCES:
patent: 7168214 (2007-01-01), Wall
patent: 2005/0076595 (2005-04-01), Wall
patent: 2008/0219776 (2008-09-01), Heindl et al.
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Eckert Seamans Cherin & Mellott , LLC
Milde, Jr. Karl F.
Pilepro, LLC
Singh Sunil
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