Cartridge with connection for a pump-drive and fluid handling system
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United States of America Patent
Stats
-
Feb 27, 2007
Grant Date -
Jul 1, 2004
app pub date -
Sep 26, 2003
filing date -
Sep 26, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a cartridge for a fluid, as well as a system for handling a fluid using such a cartridge, the cartridge has a tank shaped as a cylinder with an opening to admit and discharge the fluid, as well as a piston that can be moved forward and/or back in the tank in order to pump the fluid in or out through the opening. The piston has a connection element that can be connected with an actuator in order to move the piston forward and/or back. The connection element and the actuator are adapted to one another such that the connection is automatically closed in a first longitudinal section of the tank, given movement of the piston in the longitudinal direction and is automatically released again given movement in the opposite direction, and the connection remains closed in a second longitudinal section of the tank given movement of the piston into this second longitudinal section.
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