US Patent 10274247 Refrigerator and vacuum insulation panel thereof

Disclosed herein is a refrigerator having an inner case, a storage compartment formed in the inner case, an outer case provided outside the inner case, an inner frame coupled to an outer surface of the inner case to support the inner case, an outer frame coupled to an inner surface of the outer case to support the outer case, and a vacuum insulation panel provided between the inner case and the outer case to insulate the storage compartment and supported by the inner frame and the outer frame. The refrigerator can be assembled without foaming insulation and maintain rigidity.