B - Operations – Transporting – 01 – F
Patent
B - Operations, Transporting
01
F
B01F 7/20 (2006.01) A61F 2/46 (2006.01) B01F 11/00 (2006.01) B01F 13/00 (2006.01) B01F 13/06 (2006.01) B01F 15/02 (2006.01) A61F 2/00 (2006.01) B01F 7/00 (2006.01)
Patent
CA 2307750
An apparatus for mixing multi-part reaction materials under a vacuum comprises a container including a mixing chamber (24) sized to contain a reaction material (92). An agitator for mixing the reaction material to form a mix includes both rigid blades (60) and flexible paddles (58). The rigid blades (60) are substantially non-deflected during mixing and cut the mix, and the flexible paddles (58) are deflected and knead the mix. The combined action of the rigid and flexible paddles under vacuum (20) thoroughly mixes reaction materials and removes entrapped gases from the mix. The mix can be dispensed directly from the mixing chamber. The apparatus can be used to mix viscous materials such as bone cement.
L'invention porte sur un appareil de malaxage sous vide de matériaux réactifs composites comprenant une cuve (24) de malaxage dimensionnée pour contenir le matériau réactif (92), et un agitateur malaxeur comportant et des pales rigides (60) et des pales souples (58). Les pales rigides (60) qui ne fléchissent pratiquement pas pendant le malaxage ont une action tranchante, tandis que les pales souples (58) fléchissent et pétrissent le mélange. L'action combinée de ces pales et du vide (20) assure un mélange parfait dont sont exclues les bulles captives. Le mélange peut être directement versé depuis la cuve. L'appareil peut traiter des matériaux visqueux tels que du ciment d'os.
Bereskin & Parr
Physical Systems Inc.
LandOfFree
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