The formula of cutting lid is inserted to paper milk packing carton internal rotation

The style of cutting lid is inserted to paper milk packing carton internal rotation has covered the enclosing cover including being provided inner cup on the paper packing carton in, set up ring form cutter body in the said inner cup, the system has the inserted sheet on the ring form cutter body, and the system has the tangent plane on the inserted sheet, and the inner wall system of ring form cutter body has only bit block, and the outer wall of ring form cutter body is cooperateed by screw thread and inner cup, the system has the catch bar on the interior top surface of said enclosing cover, and the catch bar stretches into in the ring form cutter body to with end the bit block and contact. This scheme adopts the internal rotation to insert the butt style, leaves the mouth on the paper packing carton, before the drinking of milk or fruit juice, is in complete encapsulated situation, the guaranteed quality, and the action of enclosing cover is twisted to the only need one when opening, and without the pull ring, the action is simple, and the screw is laborsaving, convenient to use.