Appliance door having stiffened inner panel with shelves and method of forming

摘要: A refrigerator door has its plastic inner panel, which a plurality of container supporting shelves extending therefrom, stiffened through forming integral vertical stringers adjacent each other across substantially the entire width surface panel between shelves. Gussets extend from one end into upper and lower surfaces shelf. The are V-shaped or U-shaped in cross section. gussets when may be U-shaped. stiffen without adding material control stiffness sectional moment inertia stringers. When there is lack space beneath bottom shelf, cannot employed, but shadow line used to increase inertia. have an aesthetic pattern either configuration.