Patent ID: 8714380

Claim:
A reclosable opening device for a sealed package of a pourable food product, said opening device having an axis, and comprising: a frame fitted about a pierceable portion of said package, and defining a through pour opening coaxial with said axis; a removable threaded cap that screws onto said frame to close said pour opening; a tubular cutter engaging said pour opening and having, at one axial end, cutting means which cooperate with said pierceable portion to unseal said package; first connecting means connecting said cap to said cutter, and which, in use, as the cap is unscrewed off the frame, push the cutter towards said pierceable portion; and second connecting means connecting said frame to said cutter, and which, in use, feed the cutter along a predetermined piercing path through said pierceable portion in response to unscrewing of said cap; said piercing path of the cutter, as said cap is unscrewed off said frame, comprises a first portion of pure translation along said axis, followed by a second portion having both an axial component of motion and a rotary component of motion about said axis.