PISTON TYPE PRESSURIZED DISPENSING AND HOUSING DEVICE AND ITS MANUFACTURE

摘要

PROBLEM TO BE SOLVED: To provide a piston type pressurized dispensing device which has a satisfactory property of sealing-up and is manufactured at a low cost. SOLUTION: A device 1 for housing a product such as cosmetics and dispensing the housed product under the pressure is constructed of a container 2 which houses the product and is equipped with an opening 5 for which a dispensing member 15 including a valve is attached and a piston 11 which separates airtightly a first chamber 18 being adjacent to the dispensing member 15 and housing the product from a second chamber 19 being adjacent to the first chamber, and the piston 11 is formed directly at the inside of the container 2.