Patent ID: 6659758
Filing Date: 2003-12-09
Classification: B29C,B29L

Abstract:
A twin sheet forming system for forming a hollow article from at least first and second sheets of thermoplastic material, said twin sheet forming system including:first and second loading stations for receiving said first and second sheets of thermoplastic material respectively; first and second heating stations for heating said first and second sheets of thermoplastic material respectively; first and second thermoforming stations for thermoforming said first and second sheets respectively into first and second thermoformed pieces, said second thermoforming station pressing said first and second thermoformed pieces together to fuse said first and second thermoformed pieces together, and wherein said first and second loading stations, said first and second heating stations, and said first and second thermoforming stations are arranged in-line; and a sheet transfer means for transferring said first and second sheets independently from respective said first and second loading stations to respective said first and second heating stations and to respective said first and second thermoforming stations.