US Patent:
20030091779, May 15, 2003
Inventors:
Frederick Brewster - Madison WI, US
International Classification:
B32B003/10
US Classification:
428/043000, 428/034200, 428/349000
Abstract:
A process for forming a cutting edge on a carton board or box board in which a polymeric tape is adhered to a box or carton blank, cuts are made in the tape and box or carton blank and form virtual teeth that, upon folding the blank and tape to form a carton or box, produce teeth that project outward from the tape and provide a cutting edge for cutting materials dispensed from the carton or box.