Patent ID: 6652435
Filing Date: 2003-11-25
Classification: B29C,B29K,B29L,B31B

Abstract:
An automated cup making system for forming a two stage cup having an upper cup disposed upon a lower cup, the system comprising;an upper cup making machine for forming an upper cup having an upper cup sidewall provided with an outwardly curled top edge and an upper cup bottom wall disposed generally transversely to the upper cup sidewall, the upper cup making machine having a bottom maker for removing only a central portion of the upper cup bottom wall to provide a bottom wall annular border extending radially inwardly from the upper cup sidewall; a lower cup making machine for forming a lower cup having a lower cup sidewall and a bottom wall disposed generally transversely to the lower cup sidewall, the lower cup sidewall having a curled top edge; and a dual cup sealing and assembly machine for receiving the upper cup from the upper cup making machine and the lower cup from the lower cup making machine for aligning the upper cup above the lower cup, and flattening the lower cup curled top edge such that the upper cup bottom wall annular border lies in horizontal overlapping relationship with the lower cup flattened top edge and for sonic sealing the annular border to the flattened top edge to form a finished two stage cup.