Packing sheet
US5194315A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 18, 1990 |
| Grant date | Mar 16, 1993 |
| Priority date | — |
| Expiry date | Sep 18, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2982
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A packing sheet useful for preserving freshness of flowers, fruits and other foods from deterioration during transport. The packing sheet comprises a central partition sheet, a water permeable sheet having portions of a surface thereof sealed to a surface of the partition sheet, so as to create at least one closed pouch between the water permeable sheet and the central partition sheet, a water absorptive resin contained within the pouch, an air permeable sheet having portions of a surface thereof sealed to the other surface of the central partition sheet so as to create at least one opposite closed pouch between the air permeable sheet and the central partition sheet, and a marginal portion adapted for attachment to a transport case.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.