Thin wall container with thickened rim structure

Claim 1

A THIN-WALLED ONE PIECE SEAMLESS CONTAINER WITHIN THE RANGE OF .002-034 INCH IN THICKNESS FORMED FROM THERMOPLASTIC THIN SHEET STOCK MATERIAL, COMPRISING A PERIPHERALLY CONTINUOUS SIDE WALL EXTENDING UPWARDLY FROM A BOTTOM WALL AND TERMINATING IN A RIM AREA LOCATED ADJACENT THE OPEN UPPER END THEREOF, SAID RIM AREA HAVING A FIRST RIM PORTION INTEGRALLY JOINED TO SAID SIDE WALL AND RADIALLY OUTWARDLY DIRECTED THEREFROM, AND A SECOND RIM PORTION INTEGRALLY CONNECTED TO AND EXTENDING UPWARDLY FROM SAID FIRST RIMPORTION FOR INTERCONNECTING A SEAMLESS BEAD OF SOLID CROSS SECTION AND GENERALLY CURVILINEAR EXTERNAL CONTOUR LOCATED AT THE OPEN UPPER END OF SAID CONTAINER WITH SAID FIRST RIM PORTION AND SAID CONTAINER SIDE WALL, SAID FIRST AND SECOND PORTIONS OF SAID RIM AREA AND SID PERIPHERALLY CONTINUOUS SIDE WALL HAVING A SUBSTANTIALLY UNIFORM PREDETERMINED THICKNESS WITHIN THE SPECIFIED RANGE, SAID BEAD IN BOTH AN AXIAL AND RADIAL DIRECTION BEING AT LEAST TWICE SAID PREDETERMINED THICKNESS AND OFFSET RADIALLY INWARDLY FROM SAID SECOND RIM PORTION TOWARD THE AXIS OF SAID CONTAINER WHEREBY TO PROVIDE BOTH A RIM AREA OF INCREASED STRENGTH AND AN UNDERCUT PORTION OF RIGID CONSTRUCTION IN A THIN-WALLED CONTAINER.