Portable air tank with a hazard relief vent
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United States of America Patent
Stats
-
Apr 2, 1996
Grant Date -
N/A
app pub date -
Jul 15, 1994
filing date -
Jul 15, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A portable air tank having a safety relief venting assembly formed in the bottom of the tank. The safety relief vent includes a tubular relief frame welded to the exterior of the tank about a relief hole punched in the tank's bottom near one end thereof. The tubular relief frame includes a channel therethrough which aligns with, and surrounds, the hole punched in the bottom of the tank. The legs of the tank are formed to maintain the tank in an angled relation, with respect to a horizontal plane, to ensure that condensation within the tank collects at the relief hole. The venting assembly includes a cup-shaped plug inserted into the relief frame. A concave surface of the cup-shaped plug is directed upward toward the interior of the tank to ensure that condensation collects within the cup. The cup-shaped plug is formed with a thickness substantially half that of the tank's outer wall to ensure that the plug will corrode and fail before any other portion of the tank wall is compromised. When the plug fails, air pressure within the tank is discharged through the relief frame and downward against the floor to minimize the danger to the user.
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