Dispensing bottle with internal flow rate restriction system
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United States of America Patent
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Oct 27, 1992
Grant Date -
N/A
app pub date -
Oct 24, 1990
filing date -
Oct 26, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sterile packaging assembly (100) for dispensing a liquid in drops comprises a main body (101) of plastic material, having a top portion (103) with an outside thread for receiving a screw cap (104), and containing a flow rate restriction system (105) for controlling drop formation. The flow rate restriction system is positioned substantially on the axis of the main body and is held in position by a constricted portion (106) of the top portion (103) of the main body. The invention is particularly applicable to sterile packaging of pharmaceutical substances such as eye drops.
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