A powder storage and delivery system for a drug powder inhaler has a carrier disk with a blister shell sealed by a shear layer. A tab is adhered to the shear layer, underneath the blister shell. The carrier disk is placed into a dry powder inhaler. An actuator pushes against the tab, causing the shear...http://www.google.de/patents/US6029663?utm_source=gb-gplus-sharePatent US6029663 - Dry powder inhaler delivery system
