Conduit liner monitor

Details Conduit liner monitor Conduit liner monitor

1991-12-02

1993-01-05

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

137551, 137552, 340540, 340605, G08B 2100

Patent

active

051774682

ABSTRACT:
The monitor allows for the non-destructive determination of the status of a liner disposed within a conduit. The conduit may, for example, be an elbow, valve, pipe. At least one wire is disposed within the liner in an area of concern. The wire is connected to a receptacle located on the conduit. A status display plugs into the receptacle and checks the continuity of the wire. If a wire is broken, this information is displayed, indicating a potential problem with the liner.

REFERENCES:
patent: 1962168 (1934-06-01), Andrus
patent: 2759175 (1956-08-01), Spalding
patent: 3375702 (1968-04-01), Birman
patent: 3874222 (1975-04-01), Ladd et al.
patent: 4107672 (1978-08-01), Van Riemsdijk et al.
patent: 4404516 (1983-09-01), Johnson, Jr.
patent: 4446892 (1984-05-01), Maxwell

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