| 摘要 |
<p>This model is formed with an upper cover (4), and another lower one, divided into two parts (1) and (2), joined through the pressure rings (3) and (5) along their ridges, which altogether form a container in a hamburger type sandwich shape. This napkin-like container will have variations in its shape, when their integrating parts are taken out as the hamburger sandwich is being consumed, thus discarding the traditional napkin and wrapping. It is going to be made of paper or flexible plastic.</p> |
