Hollow product with localized relief for vacuum sealing
First Claim
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1. A hollow vacuum packaging product, comprising:
- a ring having a plurality of threads distributed around a periphery of the ring,wherein a sealing cap is configured to enter into engagement with the packaging product between one or more of the threads of the ring when the hollow product is opened/closed,wherein in an evacuated closed condition of the hollow product, the sealing cap is configured to enter into engagement only in an interval between two consecutive threads or in plural such consecutive intervals, the interval defining a gap extending between the two consecutive threads or in plural such consecutive intervals, andwherein the sealing cap does not enter into engagement in all of the intervals between each of the plurality of threads,wherein the interval(s) in which the sealing cap is configured to enter into engagement in the evacuated closed condition of the hollow product are located only in one half of a periphery of the ring, on a first side of a joint plane of a mold.
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Abstract
A hollow vacuum packaging product in which a ring includes threads distributed around its periphery, and between which a sealing cap enters into engagement when the hollow product is opened/closed. In an evacuated closed condition of the hollow product, the sealing cap is configured to enter into engagement only in an interval between two consecutive threads, or in plural such consecutive intervals, but not in all of the intervals. Such a hollow product may be, as an example, a thermoplastic bottle or jar.
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Citations
9 Claims
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1. A hollow vacuum packaging product, comprising:
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a ring having a plurality of threads distributed around a periphery of the ring, wherein a sealing cap is configured to enter into engagement with the packaging product between one or more of the threads of the ring when the hollow product is opened/closed, wherein in an evacuated closed condition of the hollow product, the sealing cap is configured to enter into engagement only in an interval between two consecutive threads or in plural such consecutive intervals, the interval defining a gap extending between the two consecutive threads or in plural such consecutive intervals, and wherein the sealing cap does not enter into engagement in all of the intervals between each of the plurality of threads, wherein the interval(s) in which the sealing cap is configured to enter into engagement in the evacuated closed condition of the hollow product are located only in one half of a periphery of the ring, on a first side of a joint plane of a mold. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification