Dispenser for discharging a fluid medium
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United States of America Patent
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Jan 17, 2006
Grant Date -
Dec 26, 2002
app pub date -
Jun 19, 2002
filing date -
Jun 23, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The disclosure provides a fluid-tight, but non-releasable or only under a large force releasable connection between the delivery device of a dispenser and the medium reservoir of the dispenser. For the discharge of a fluid, preferably liquid medium, which can in particular contain a pharmaceutical substance, such a dispenser has at least two parts, firstly a medium container for storing the medium and secondly a delivery device fastenable to the medium container. For fastening together the medium container and the delivery device, fastening portions are formed on both parts. In the fastening portion there is a gap between the medium container and the delivery device. An elastically deformable ring fastener, preferably as a layer on the outside of the delivery device, is provided and its wall thickness, prior to installation, is larger than the gap dimension. Prior to the fastening together of the two parts, namely the medium container and delivery device, the plastically deformable ring fastener is fitted to one of the two parts.
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