Patent ID: 7456376

Claim:
A device for the display and cooking of corn kernels for making popcorn, comprising: a rigid base ( 14 ), a compensating zone( 16 ) that can take up at least two positions, one folded and the other unfolded, the compensating zone comprising four faces, two retractable faces ( 26 ) opposite two stiffening faces ( 28 ), whereby retractable faces ( 26 ) each comprise a fold ( 30 ) that is approximately in the middle of each of these faces and parallel to the base and whereby stiffening faces ( 28 ) each comprise a first fold ( 32 ), placed in the median plane, and diagonal folds ( 36 ); means ( 20 ) for opening and closing a container by expanding the compensating zone; and the rigid base ( 14 ) of a limited height in order to delimit a restricted space in which are stored the corn kernels when the compensating zone is in the folded position, wherein said base ( 14 ), said compensating zone ( 16 ) and said means ( 20 ) for opening and closing are made of one piece of material with a certain rigidity in the manner of a cardboard material.