DEVICE FOR INJECTING A LIQUID PRODUCT COMPRISING TWO HALF-SHELLS ROTATABLY MOBILE RELATIVE TO EACH OTHER
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Abstract
The present invention concerns a device for injecting a liquid product contained in a bag, the device comprising a housing consisting of two half-shells articulated about an axis of rotation in order to allow the relative movement of the half-shells relative to each other between: —an open position in order to put the bag in place and—a closed position for injecting the liquid product contained in the bag, remarkable in that: —one of the half-shells comprises a deformable bladder—called the “active bladder”—having a volume that varies under the action of a hydraulic ram supplying said bladder with hydraulic fluid, and—the other of the half-shells comprises a deformable damping cushion having a constant volume—called the “passive cushion”.
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Citations
30 Claims
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1-15. -15. (canceled)
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16. A device for the injection of a liquid product contained in a sachet, the device comprising a casing constituted of two half-shells articulated in order to enable relative movement of the half-shells one relative to the other between:
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an open position for putting the sachet in place, and a closed position for injection of the liquid product contained in the sachet, wherein; one of the half-shells comprises a variable volume bladder—
called the “
active bladder”
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deformable by a source of hydraulic power feeding said bladder with hydraulic fluid, andthe other half-shell comprises a constant volume deformable cushion—
called the “
passive cushion”
. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification