Corrugated Wrapper Airflow Channels for Nicotine Powder Delivery

The wrapper is segmented into multiple functional layers: an outer wrapper providing structural protection and an inner corrugated wrapper providing airflow channels. This segmentation allows each layer to perform its specific function optimally - the corrugated structure creates multiple airflow passages that increase airflow rate while the outer wrapper maintains structural integrity, resolving the contradiction between simple structure and high airflow rate

The corrugated inner wrapper introduces a three-dimensional corrugated structure with alternating peaks and valleys that create multiple airflow channels. This dimensional transformation from a flat wrapper to a corrugated structure increases the effective airflow cross-section without significantly increasing the overall device footprint, thereby achieving high airflow rate while maintaining manufacturing simplicity

The airflow channel structure is merged with the wrapper itself rather than being a separate component. The corrugated inner wrapper simultaneously provides structural containment for the nicotine powder and creates the airflow channels through its corrugated geometry. This merging eliminates the need for separate airflow channel components, reducing manufacturing complexity while maintaining high airflow rate

The corrugated wrapper structure is self-forming during the wrapping process. The corrugations are pre-formed on the wrapper material before it is applied to the receptacle, and the wrapping process itself creates the airflow channels without requiring additional machining or assembly steps. This self-service approach achieves complex airflow geometry through a simple wrapping operation, maintaining ease of manufacture