US 7,320,541 B2
Mixer element for a mixer for multi-component pastes, and mixer using the same
Ingo W. Wagner, Woerthsee (Germany); and Helmut Pauser, Diessen (Germany)
Assigned to 3M ESPE AG, Seefeld (Germany)
Filed on Aug. 11, 2004, as Appl. No. 10/916,068.
Claims priority of application No. 03017685 (EP), filed on Aug. 14, 2003.
Prior Publication US 2005/0226095 A1, Oct. 13, 2005
Int. Cl. B01F 7/00 (2006.01)
U.S. Cl. 366—172.1  [366/172.2; 366/329.2; 222/145.6] 15 Claims
OG exemplary drawing
 
1. A mixer comprising a mixer element and a housing having a mixing chamber that includes inlet openings and contains the mixer element, wherein said mixer element cooperates with the housing to provide a paste-tight closure of the inlet openings when in a first position, and to open the inlet openings when in a second position.