Device for transporting fluids, such as viscous adhesives or sealants
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 26, 2002
Grant Date -
N/A
app pub date -
Feb 14, 2000
filing date -
Feb 15, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for transporting fluids, such as viscous adhesives and sealants. The device includes a cylinder which may be filled by a supply line and a movable piston within the cylinder for ejecting the fluid into a discharge line. The piston includes an axial fluid channel and can be moved by way of a piston rod which also includes an axial fluid channel. An inlet valve is positioned between the supply line and the cylinder and may be moved between open and closed positions for releasing or interrupting the supply the fluid from the supply line into the interior of the cylinder. The piston rod includes threading and this threading is engaged with corresponding threading on a rotatable and drivable drive element so that the piston may be moved by rotating the drive element within the cylinder.
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