Thermal relief vent and method of manufacturing the same

Details Thermal relief vent and method of manufacturing the same Thermal relief vent and method of manufacturing the same

2006-03-28

2006-03-28

Krishnamurthy, Ramesh (Department: 3753)

Fluid handling

Destructible or deformable element controlled

Heat destructible or fusible

C137S039000, C137S073000, C137S080000, C137S202000

Reexamination Certificate

active

07017599

ABSTRACT:
An improved thermal relief vent for a fuel tank, and a method of manufacturing the same, includes a thermal relief ring that is used to create a mechanical seal within the vent. The thermal relief ring, at room temperature, is crimped in place by use of the vent cap itself. The crimped thermal relief ring creates a mechanical seal between the vent and the vent cap, up until a predetermined thermal relief point, at which time the thermal relief ring will soften and/or yield and release the vent cap from the vent body.

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