Sealing mechanisms for use in liquid-storage containers
AssigneeRieke Corporation
InventorsThomas P. Kasting, Robert D. Rohr
Life of this patent
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Abstract
A container for the storage and dispensing of a liquid and which incorporates a sealing mechanism includes a blow-molded container body including a neck portion having a series of external threads and defining an annular, non-planar sealing surface, a pouring spout assembled into the body and a unitary closing lid including a series of internal threads constructed and arranged to engage the threads of the neck portion. The unitary closing lid includes the sealing mechanism in the form of a pair of annular sealing lips constructed and arranged to be compressed against the annular, non-planar sealing surface to establish a sealed interface between the closing lid and the body.
Claims8
A container for the storage and dispensing of a liquid, said container comprising:
- a blow-molded body including a neck portion having a first series of threads and defining an annular, upwardly facing upper sealing surface;
- a pouring spout assembled into said body, said pouring spout including an annular lip that is positioned in contact against said sealing surface;
- and
- a closing lid including a second series of threads constructed and arranged to engage said first series of threads for securing said closing lid to said neck portion, said closing lid including a pair of annular sealing lips that are constructed and arranged to be compressed against said sealing surface at a location that is radially outwardly of said annular lip to establish a sealed interface between said closing lid and said body.
Dependencies are inferred from the claim text.