Electricity: electrical systems and devices – Discharging or preventing accumulation of electric charge – Of storage or hazardous area or fluid handling
Reexamination Certificate
2009-06-15
2010-10-26
Jackson, Stephen W (Department: 2836)
Electricity: electrical systems and devices
Discharging or preventing accumulation of electric charge
Of storage or hazardous area or fluid handling
Reexamination Certificate
active
07821763
ABSTRACT:
The present invention provides a device for preventing electrically induced gas fires involving gas tubing such as Corrugated Stainless Steel Tubing (CSST) and gas appliance connectors (GAC). Connectors for coupling the gas tubing to gas lines and appliances are affixed at each end of the tubing. These connectors are made of a conductive material. Conductive wire (i.e. mesh surrounding the gas tubing) provides a direct electrical contact between the end connectors. If an electrical charge goes to ground via the gas tubing, such as from a lightning strike or an appliance short, the current is carried between the end connectors by the conductive wire instead of the gas tubing itself, thereby preventing damage to the gas tubing from the current.
REFERENCES:
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patent: 4107452 (1978-08-01), Razvi
patent: 4449853 (1984-05-01), Mennella et al.
patent: 4660908 (1987-04-01), Ballester
patent: 6268988 (2001-07-01), Baker
patent: 7044167 (2006-05-01), Rivest
patent: 7562448 (2009-07-01), Goodson
Carstens David W.
Carstens & Cahoon LLP
Jackson Stephen W
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