Double-walled container
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United States of America Patent
Stats
-
Jun 6, 2017
Grant Date -
May 26, 2016
app pub date -
Jun 26, 2014
filing date -
Jun 28, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Double container includes: inner layer body provided with upper opening; outer layer body accommodating inner layer body and including mouth portion provided with aperture; and dispensing cap provided with content dispensing spout and fitted to mouth portion. Double container further includes: inside plug provided with dispensing passage and fitted to upper opening; and check valve configured to open and close dispensing passage. Dispensing cap has a cylindrical wall, and cylindrical wall has a lower end portion fitted to an outer circumferential surface of outer layer body to provide vent region inside dispensing cap. Throttle passage is provided in a passage extending from ambient air introducing hole through vent region to aperture.
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