Foam in bag packaging system
US6272813A · kind A · utility
19Cited by
62References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 14, 1997 |
| Grant date | Aug 14, 2001 |
| Priority date | — |
| Expiry date | Apr 14, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D81/3261
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A method is disclosed for of enhancing the mixing of foam precursors in foam-in-bag precursor systems, to thereby enhance the quality of the resulting foam. The method comprises externally agitating a bag formed from plastic film material and containing separated foam-forming precursors, to thereby mix the precursors and form foam, and wherein the bag has been warmed to a temperature above ambient temperature prior to the agitation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.