Description  Claims  Drawing  Cited references 

US20100083420A1   [0005] 
DE10131355A1   [0006] 
JP01216778A   [0007] 
US4497072A   [0008] 
US5983395A   [0009] 
US20120167274A1   [0010] 
WO2012070576A1   [0011]