| 摘要 |
<p>The volume expanding device has attachment parts (37, 38, 39, 40) forming a complete or incomplete lid when closed, and an enlarging attachment (27) when in the filling position (47, 48, 49, 50). The adjacent attachment parts are pivoted to each other, and each one can be moved by a driven turning device (53) outward from the closed position to the filling position and back.</p> |
