Fig. 6(a) shows the pressure field for the ultrasonic wave propagation in the liquid filled container at 45µsec. The pressure field inside the liquid medium clearly indicates the energy loss from each mode and the liquid mediated wave travelling to the opposite side of the excitation source...
An inflation device for introducing gas into inflatable webs of the type comprising a pair of juxtaposed film plies and a pair of opposing film edges, the inflation device including