Measuring and testing – With fluid pressure – Leakage
Reexamination Certificate
2006-02-28
2006-02-28
Williams, Hezron (Department: 2856)
Measuring and testing
With fluid pressure
Leakage
C073S322000, C073S29000R
Reexamination Certificate
active
07004011
ABSTRACT:
A device for detecting leaks in containers that are open to the effects of rain and/or evaporation comprising an outer cylinder or container partially submerged in a container or vessel to be measured, such as, a swimming pool, three adjustable legs attached to the bottom of the outer cylinder, an inner tube having a bottom edge fastened to the bottom, an outer, floating guide cap, and an inner floating indicating rod. The device is placed in a swimming pool and submerged to a selected level. The inside of the outer cylinder is filled to a particular level and the relationship of the floating indicator rod and the guide cap is recorded. Periodically, the level is checked to see if there is a change in the level due to a leak in the pool or container. The relationship of the floating indicator rod and the guide cap indicates a net leak in the pool or vessel being tested.
REFERENCES:
patent: 2086645 (1937-07-01), Staber
patent: 3538746 (1970-11-01), Ginsburgh et al.
patent: 4646560 (1987-03-01), Maresca et al.
patent: 5551290 (1996-09-01), Spiegel
patent: 5744701 (1998-04-01), Peterson et al.
Frank Rodney
Lukasik Frank A.
Williams Hezron
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