FORMING METHOD OF SHAPED CAN BY PRELIMINARY BODY EXPANDING, AND FORMING DEVICE THEREOF, AND SHAPED CAN MANUFACTURED BY THE FORMING METHOD

摘要

The present invention can be formed to separate the can -like shape with no provision for forming the can , as well as shaft to provide a method for forming the can -shaped body which can be molded to the outer surface of the body of the high-speed tube-expanding the can without generating distortion of the can body by the pressing direction for the purpose . ; to this end, the present invention is 2 piece, or in the method of forming the can -shaped embossed surface in the shape of a three-piece can body , the preformed tube-expanding step of forming a starting point for the projections to the body wall portion of the can ; and shaped to extend the projecting portion of the tube-expanding starting preformed cans the forming step of forming the can ; Provides a method for forming the can body comprises a shape .