Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Repair – replacement – or improvement
Patent
1997-02-05
1999-02-23
Graysay, Tamara L.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Repair, replacement, or improvement
405154, 175 53, 175 62, E02F 510, E21D 106
Patent
active
058736760
ABSTRACT:
A coring rod support wheel that has a relatively large smooth outer surface and a hollow hub that is rigidly held within it. The axis of the hollow hub is parallel to the axis of the wheel but not necessarily the same as the axis of the wheel. The diameter of the hub is sufficient for a coring rod to slide freely through it. Once the coring rod has been slid through the hub, the coring rod any coring knife attached to it are supported and guided by the wheel.
REFERENCES:
patent: 1518370 (1924-12-01), Thomas
patent: 2499252 (1950-02-01), Michael
patent: 2529246 (1950-11-01), Detrick
patent: 3402781 (1968-09-01), Sandberg
patent: 4456078 (1984-06-01), Adam
Graysay Tamara L.
Lee Jong-Suk
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