Sealed closure for plastic container with interlocking protective outer closure
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United States of America Patent
Stats
-
Jan 1, 1980
Issued Date -
N/A
app pub date -
Jul 31, 1978
filing date -
Mar 14, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A container for storing and dispensing sterile liquids is provided with a hermetically sealed primary cap and overcap. The overcap and primary cap are provided, respectively, with an interlocking ring and undercut lip to provide for limited relative axial movement; the overcap and bottle neck are provided with interfitting lugs and ribs to provide for limited rotational movement. An outer ring has internal threads engaging external threads on the overcap and defines a jacking member whereby rotation of the outer ring moves the overcap upwardly to break the hermetic seals.
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Cited Art Landscape
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