Flexible bags having stretch-to-fit conformity to closely accommodate contents in use
US6394652B2 · kind B2 · utility
89Cited by
67References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 1999 |
| Grant date | May 28, 2002 |
| Priority date | — |
| Expiry date | Jun 18, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S383/903
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention provides a flexible bag comprising at least one sheet of flexible sheet material assembled to form a semi-enclosed container having an opening defined by a periphery. The opening defines an opening plane, and bag is expandable in response to forces exerted by contents within the bag to provide an increase in volume of the bag such that said the accommodates the contents placed therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.