Patent ID: 6631824
Filing Date: 2003-10-14
Classification: A47J

Abstract:
A double-layered cooking vessel having an air pocket between inner and outer shells, the vessel comprising:an exhaust port on the outer shell providing an outlet for the air pocket; a handle mounted over the exhaust port on the exterior of the outer shell; a housing mounted within the handle and coaxial to the exhaust port, wherein the housing has an open side adjacent to the exhaust port, an inner wall distal to the exhaust port, and a fixing part attached to the inner wall; a valve mounted within the housing that is coaxial to the exhaust port and supported by the fixing part; and an outlet hole perforating the handle and the housing, wherein the valve comprises a plug head having a proximal and distal ends, wherein the plug head is arranged and travels coaxial to the exhaust port and the proximal end of the plug head engages the exhaust port; a support frame coaxial to the exhaust port having first and second ends and has a shape of a hollow cylinder; and a neck piece having first and second ends and has a diameter smaller than a diameter of the support frame and a diameter of the plug head wherein the first end of the neck piece is secured to the distal end of the plug head and the neck piece is coaxial to the exhaust port, and the second end of the neck piece is secured to the first end of the support frame.