| 摘要 |
<p>The present invention provides a flexible bag (10) comprising at least one sheet of flexible sheet material (52) assembled to form a semi-enclosed container (10) having an opening defined by a periphery (28). The opening defines an opening plane, and the bag (10) is expandable in response to forces exerted by contents within the bag to provide an increase in volume of the bag (10) such that said bag (10) accommodates the contents placed therein.</p> |
