(under subclass 89.1) Receptacle wherein the pressure relief means is a diaphragm or diaphragm-like device which melts to relieve excess pressure within the container.
SEE OR SEARCH CLASS
122, Liquid Heaters and Vaporizers,
504.1, and 504.3 for a liquid heater or vaporizer with a fusible control for a safety device.
137, Fluid Handling,
72+, for a fusible fluid-control element.
169, Fire Extinguishers,
19+, 37+, 42, and 56+ for a fire extinguishing mechanism with a fusible control element. 431, Combustion,
21, for a fusible control element for a combustion device (e.g., a burner).