A self-sealing, dispensing closure comprises a shell, a cover moveable axially toward and away from the shell, and a valve connected to the cover via a stem, and adapted to close the outlet when the cover is moved away from the shell and to open the outlet when the cover is moved toward the shell. T
A self-sealing, dispensing closure comprises a shell, a cover moveable axially toward and away from the shell, and a valve connected to the cover via a stem, and adapted to close the outlet when the cover is moved away from the shell and to open the outlet when the cover is moved toward the shell. The shell has a generally conical surface. The cover has a resilient skirt, which is discontinuous. The skirt engages the surface to bias the cover away from the shell and to bias the valve toward the closing position but to permit the cover to move toward the shell and to permit the valve to move away from the closing position. The shell and the cover have formations coactive to prevent the cover from being moved toward the shell and the valve from being moved away from the closing position at certain but not all positions of relative rotation of the shell and the cover.
대표청구항▼
1. For a container, a closure defining an axis and comprising a shell attachable to the container, the shell defining an outlet, a cover moveable toward and away from the shell, along the axis defined by the closure, the cover defining a mouth, and a valve connected to the cover, via a stem extendin
1. For a container, a closure defining an axis and comprising a shell attachable to the container, the shell defining an outlet, a cover moveable toward and away from the shell, along the axis defined by the closure, the cover defining a mouth, and a valve connected to the cover, via a stem extending axially through the outlet, so as to be conjointly moveable with the cover, along the axis defined by the closure,the valve being adapted to close the outlet, so as to prevent communication between the outlet and the mouth, when the cover is moved away from the shell sufficiently to move the valve to a closing position, the valve being adapted to open the outlet, so as to permit communication between the outlet and the mouth, when the cover is moved sufficiently toward the shell to move the valve from the closing position, the shell having a generally conical surface, which is coaxial with the axis defined by the closure, the cover having a resilient skirt, which is coaxial with the axis defined by the closure, the resilient skirt engaging the generally conical surface so as to bias the cover away from the shell and so as to bias the valve toward the closing position, but so as to permit the cover to move toward the shell and so as to permit the valve to move away from the closing position.
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이 특허에 인용된 특허 (11)
Stebick Matthew E. (Waterford PA) Smith Robert J. (Edinboro PA), Bottle with two-stage opening.
Yurkewicz Michael A. ; Smith Robert J. ; Montgomery Gregg S. ; Getsy Stephen ; Babcock David E. ; Palma Mike G. ; Albrecht Lee ; Robbins Paul W., Resealable pushable container closure and cover therefor.
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