Dual seal closure-adaptor
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United States of America Patent
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-
Dec 29, 1992
Grant Date -
N/A
app pub date -
Feb 26, 1992
filing date -
Feb 26, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An adaptor and a closure are formed with precision surfaces as by injection molding so that the closure can be attached to the adaptor without the use of excessive force to create a secondary seal. The adaptor-closure can then be attached to an imprecisely formed threaded container such as an extrusion-blow molded bottle to create a primary seal. The adaptor is permanently retained on the container with securing by thread wedging, cooperating ratchet teeth or the like.
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