| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pressure reducing container which is excellent in strength, light-weighted and easy to wash. <P>SOLUTION: The pressure reducing container comprises a container body and a lid for airtightly closing an opening of the container body wherein a pressure inside the container can be reduced with the opening of the container body closed. The container body comprises an outer box comprising a synthetic resin molding having an outer wall to serve as an outer wall surface of the container body and an inner box comprising a synthetic resin molding having an inner wall to serve as an inner wall surface of the container body, which are integrally fitted with each other in a state that an aperture is formed between the outer wall and the inner wall via a reinforcing rib integrally formed with at least the outer wall surface of the inner box among the outer wall surface of the inner box and the inner wall surface of the outer box. <P>COPYRIGHT: (C)2003,JPO |
