Patent ID: 6524048
Filing Date: 2003-02-25
Classification: B21D

Abstract:
An apparatus for manufacturing a can lid, comprising:feed means for feeding a panel to be processed into a can lid; rivet producing means for producing a rivet on said panel fed by said feed means; score notching means for notching a score for opening the panel therealong in the panel which is fed by said feed means and on which the rivet is produced by said rivet producing means; tab attaching means for securing a tab to the panel which is fed by said feed means and in which the score is notched by said score notching means, with said rivet; detecting means disposed upstream of said rivet producing means, for detecting an indicia representing a tab direction in which the tab is attached, on the panel fed by said feed means; angle calculating means for calculating an angle through which to turn the panel in order to align said tab direction represented by said indicia with a reference direction extending between the center of said panel and a position in which the rivet is produced by said rivet producing means; and turning means for turning said panel through said angle calculated by said angle calculating means.