Description  Claims  Drawing  Cited references 

DE4328573   [0003] 
US5451957A   [0003] 
DE102006037898   [0003] 
US5614907A   [0003] 
DE102006053354   [0004] 
WO2011136707A   [0005]  [0006] 
JP4276583B   [0006]