Patent ID: 6279779
Filing Date: 2001-08-28
Classification: B65D

Abstract:
A closable opening device for a sealed package containing a pourable food product, said device comprising:a frame defining a through hole and fitted about a pierceable portion of said package;a removable threaded cap which screws onto said frame to close said hole;a tubular cutting member which engages said hole in angularly and axially movable manner, is connected angularly to said cap at least during disengagement of the cap from said frame when first opening said package, and has an end edge in turn having, on the face, cutting means cooperating with said pierceable portion to open said package;connecting means interposed between said frame and said cutting member, and defining a helical feed path along which the cutting member is fed through said pierceable portion; andwherein said cutting means comprise a single cutter acting along a major portion of the periphery of said pierceable portion.