PROGRESSIVE METALLIC MOULD FOR MANUFACTURING THE INNERSTRIP

摘要

An inner strip is produced with the series processing connecting foaming, pivoting, and the trimming metallic patten to one, a progressive mold for the manufacture of the inner strip reducing the manufacturing cost is provided. A progressive mold for the manufacture of the inner strip(1) comprises a forming part(forming portion) pressurizing the original material and takes shape the outer tube of the inner strip; a pivoting part in which the formed inner strip is transferred from the forming part and punching the threaded hole(h) in the inner strip; and a trimming portion which is transferred with the inner strip which is formed in the forming part and is pivoted in the pivoting part and trims edge.