Dual chamber medicament dispenser having a pleated common wall
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United States of America Patent
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-
Dec 14, 1993
Grant Date -
N/A
app pub date -
Jan 31, 1992
filing date -
Jan 31, 1992
priority date (Note) -
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status (Latency Note)
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Abstract
A dual compartment container assembly having two adjacent compartments separated by a common wall segment. The container includes a discharge end on the container which is operable to permit dispensing of the contents of the container. The container also includes a filling end on the container which is sealed after contents are placed in the compartments. The adjacent compartments have outer arcuate walls extending from junctions with the common wall segment to form bellows like compartments with the arcuate walls being joined at each junction with the common wall segment to form axially aligned pivotal junctions. In a preferred embodiment, the common wall segment is pleated to have a first length prior to filling and a second unpleated longer length after the filling end is sealed. This forms a straight line seal at the filling end and defines the bellows part of the compartments which therefore taper outwardly from the straight line seal to the discharge end of the container.
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