| 摘要 |
<p>Described is a reusable closure system for plastic film packings used in wipes, which comprises: (a) a first closing portion 10 formed by a plate that has an oval flat ring shape, with an aperture 15, said ring defining a lower compression surface 12 about the aperture 15, this latter element 15 being limited by a fastening flange 18, which is protruded from the lower compression surface 12 and which is perpendicular thereto; (b) a second closure section 20 formed by a plate that has an oval flat ring shape, with an aperture 25, said oval ring defining an upper compression surface 22 about the aperture 25, this latter element 25 being limited by a fastening flange 28, which is protruded from the upper fastening surface 22 and which is perpendicular thereto; said flange 18 is fastened in a tight manner within the fastening flange 28 so as to form a joint between the first and the second closure portions; and (c) a lid portion 30 formed by a cover 25 having the aperture shape 25 for clo sing the aperture 25; also includes an hermetic flange 38 about the perimeter of the lid 35, said flange 38 forming a pressure joint between the flange 28 of the second closure portion 20 for closing the aperture.</p> |
