Abstract: A package opening and closing device for a brick-type package is fastened thereon near an opening region defining a pouring region for the product contained in the package. The opening region is provided with prescoring to allow the package to be opened during the first use. The device includes a peripheral ring fastened to the package near the perimeter of the opening region, a lid to seal off the opening region reversibly and being fixed to the peripheral ring, and a lever hinged by a hinge pin in the horizontal plane containing the device to rupture the pouring region along the prescoring.

Abstract: A method of producing an aseptic package that is filled with content prior to precutting a weak-spot in a layer of the package. The insertion of content into the aseptic package prior to performing the precutting operation reduces the risk of contamination from cleansing agents.