Patent ID: 6516589
Filing Date: 2003-02-11
Classification: B29C,B65B

Abstract:
A method of wrapping a product in a sheet of heat-seal wrapping material, the method comprising the steps of wrapping the product (2) in said sheet of wrapping material (3) to form a tubular wrapping (13) comprising a longitudinal first overlap portion (13a), defined by superimposed portions of said sheet of wrapping material (13), and two projecting tubular end portions (14); folding each of said tubular end portions (14) onto the product (2) to form an outer wrapping (36) having said longitudinal first overlap portion and two further end overlap portions (36a); and feeding said product (2) along a sealing path (P1), along which, said three overlap portions (13a, 36a) are stabilized by three sealing operations; wherein said product (2) is fed along said sealing path (P1) by a respective pocket (37), which is fed continuously along the sealing path (P1) and on which said three overlap portions are sealed by said three sealing operations.