PAN WITH DEVICE PREVENTING LEAKAGE OF BOILING WATER AND FOAM OVER BRIM Russian patent published in 1994 - IPC

FIELD: household items. SUBSTANCE: pan has beading expanding upward, extension piece mounted on beading and forming together with beading circular space for liquid and foam opened from above, cover made so that weight units of square of general surface do not exceed 0.2 gr/0,2g/cm². Extension piece is formed by inner beading directed downward and flat circular sector with beading directed upward. Beading of extension piece forms with beading of pan a hydraulic lock, outside diameter of flat circular sector of extension piece exceeds maximum diameter of beading of pan, and minimum diameter of inner beading of extension piece exceeds minimal diameter of beading of pan. EFFECT: enhanced handling convenience. 2 cl, 3 dwg