Method of fitting closable opening devices to respective sealed packages for pourable food products

摘要

A method of fitting a closable opening device (2, 2') to a sealed pourable food product package (1, 1'), the method including the steps of heat sealing a frame (15, 56) of the opening device (2, 2') about a removable portion (10a, 70a) of the package (1, 1'), and heat sealing a cap (17, 58) of the opening device (2, 2') directly to the removable portion (10a, 70a).