On-demand production of foam cushions with defined three-dimensional geometry
US5776510A · kind A · utility
23Cited by
26References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 1, 1996 |
| Grant date | Jul 7, 1998 |
| Priority date | — |
| Expiry date | Nov 1, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1702
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An apparatus is disclosed for automatically molding defined three-dimensional foam cushions. The apparatus comprises means for preparing a bag from plastic film material and for enclosing a foamable composition in the plastic bag, means for concurrently aligning a mold with the plastic bag and the bag preparing means, means for placing the bag containing the foamable composition into the aligned mold as the foamable composition begins to form foam, and means for maintaining the bag in the mold until the foamable composition has substantially finished forming foam in a shape conforming to the mold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.