| 摘要 |
An extraction device utilizing hot air or gas for volatizing at least one substituent of a material is provided. The device has a container for holding material. The device also has a cap that is provided with holes leading from the exterior thereof to a chamber in the cap. The cap is adapted to be seated on the container so that the chamber of the cap communicates with an open end and a chamber of the container. A non-flame type heating unit is disposed in the chamber of the cap for heating gas. Gas is caused to pass through the holes of the cap, into the chamber thereof, through the chamber of the container and out of a discharge opening thereof. |
