A plug for a pouch assembly, where the plug includes a top wall, an inner axial skirt and an outer axial skirt. The inner axial skirt depends from the top wall in a direction opposite the top wall. The inner axial skirt includes an inner surface, an outer surface, an upper end and a lower end. The o
A plug for a pouch assembly, where the plug includes a top wall, an inner axial skirt and an outer axial skirt. The inner axial skirt depends from the top wall in a direction opposite the top wall. The inner axial skirt includes an inner surface, an outer surface, an upper end and a lower end. The outer axial skirt includes an inner surface and an outer surface, an upper end proximate the top wall and a lower end spaced apart therefrom. A seal bead is positioned on the inner surface of the outer axial skirt spaced apart from the upper end. The seal bead extends inwardly toward the inner axial skirt. The plug is attachable to the spout of the pouch. The seal bead is structurally configured to hermetically seal against the spout, while precluding sealed engagement between the inner axial skirt and the spout.
대표청구항▼
1. A plug for a pouch assembly, the plug attachable to a spout of a pouch, the spout providing access to a cavity defined by the pouch, the plug comprising: a top wall, the top wall including an outer surface and an outer rim;an inner axial skirt depending from the top wall in a direction opposite t
1. A plug for a pouch assembly, the plug attachable to a spout of a pouch, the spout providing access to a cavity defined by the pouch, the plug comprising: a top wall, the top wall including an outer surface and an outer rim;an inner axial skirt depending from the top wall in a direction opposite the top wall, the inner axial skirt including an inner surface, an outer surface, an upper end and a lower end, the inner surface defining an inner cavity; andan outer axial skirt axially spaced apart from the inner axial skirt, the outer axial skirt including an inner surface and an outer surface, an upper end proximate the top wall and a lower end spaced apart therefrom, a seal bead positioned on the inner surface of the outer axial skirt spaced apart from the upper end, the seal bead extending inwardly toward the inner axial skirt;wherein the plug is attachable to the spout of the pouch, wherein the seal bead is structurally configured to hermetically seal against the spout, while the inner axial skirt extends into the spout, while precluding sealed engagement of the inner axial skirt with the spout of the pouch. 2. The plug of claim 1 wherein the inner surface of the inner axial skirt defines a cavity structurally configured to receive a post or other component of a filler. 3. The plug of claim 1 wherein the inner axial skirt and the outer axial skirt are substantially concentric cylindrical members. 4. The plug of claim 1 wherein the inner axial skirt further includes a plurality of spacing ribs extending outward from the outer surface of the inner axial skirt, the plurality of spacing ribs structurally configured to extend to the spout of the pouch, to, in turn, provide passageways between the axial ribs, so as to maintain fluid communication between the seal bead and the cavity. 5. The plug of claim 4 wherein the plurality of spacing ribs comprises eight ribs substantially equally spaced about the outer surface of the inner axial skirt. 6. The plug of claim 1 further comprising an annular channel disposed below the top wall. 7. The plug of claim 6 wherein the annular channel includes an upper wall and a lower wall, the upper and lower walls being spaced apart from each other, with an inner wall spanning therebetween. 8. The plug of claim 7 wherein the annular channel defines a plane that is substantially perpendicular to the inner axial skirt and the outer axial skirt. 9. The plug of claim 7 wherein the annular channel is disposed between the top surface and the channel defined by the inner and outer axial skirts. 10. The plug of claim 9 wherein the outer rim of the top wall is one of chamfered, inclined and rounded toward, and meets the upper wall of the annular channel. 11. The plug of claim 10 wherein the top surface includes a concave surface portion inwardly spaced from the outer rim. 12. The plug of claim 11 wherein the top surface further includes a substantially planar outer ring surface between the outer rim and the concave surface portion. 13. The plug of claim 12 wherein the inner axial skirt extends beyond the hermetic seal bead positioned on the inner surface of the outer axial skirt. 14. A pouch assembly comprising: a pouch defining a cavity;a spout having: an attachment flange sealingly engaged to a pouch body, providing access to a cavity defined thereby;an outlet tube having a first end cooperating with the cavity, and a second end spaced apart therefrom, and an outer surface, with a plug locking surface defined in the outer surface; anda thread extending about the outer surface of the outlet tube;a plug having: a top wall having an outer rim;an inner axial skirt depending from the top wall in a direction opposite the top wall, the inner axial skirt including an inner surface, an outer surface, an upper end and a lower end, the inner surface defining an inner cavity; andan outer axial skirt axially spaced apart from the inner axial skirt, the outer axial skirt including an inner surface and an outer surface, an upper end proximate the top wall and a lower end spaced apart therefrom, a seal bead positioned on the inner surface of the outer axial skirt spaced apart from the upper end, the seal bead extending inwardly toward the inner axial skirt;wherein the inner axial skirt is releasably extendable into the outlet tube with the hermetic seal bead forming a hermetic seal against the plug locking surface of the outlet tube, a portion of the inner axial skirt being spaced apart from the outlet tube. 15. The pouch assembly of claim 14 wherein the inner axial skirt further includes at least one rib extending outwardly from the outer surface of the inner axial skirt, the at least one rib maintaining separation of the outer surface of the inner axial skirt and the inner surface of the outlet tube of the spout. 16. The pouch assembly of claim 14 wherein the plug further includes an annular channel disposed below the top wall, the annular channel including an upper wall that meets the outer rim of the top wall. 17. The pouch assembly of claim 16 wherein the annular channel defines a plane that is substantially perpendicular to each of the inner axial skirt and the outer axial skirt. 18. The pouch assembly of claim 17 wherein the annular channel further includes a lower wall that is substantially parallel to the upper wall and spaced apart therefrom by an inner wall. 19. The pouch assembly of claim 18 wherein the inner skirt extends beyond the hermetic seal bead of the outer axial skirt. 20. The pouch assembly of claim 16 further comprising a cap, the cap including: a central body configured to extend over the outlet tube of the spout, the central body having a transverse ledge;wherein the transverse ledge extends into the annular channel of the plug, to, in turn, axially couple the plug to the cap, whereupon removal of the cap from the pouch removes the plug together with the cap. 21. The pouch assembly of claim 20 wherein the central body of the cap includes a plurality of threads that, upon engagement of the cap and the spout, threadedly engage the threads of the spout.
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이 특허에 인용된 특허 (3)
Scholle William J. (Irvine CA) Lloyd-Davies William (South Laguna CA), Apparatus and method for aseptically filling a container.
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