Moisturizing mat and process for making the same
US4219600A · kind A · utility
8Cited by
11References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 8, 1979 |
| Grant date | Aug 26, 1980 |
| Priority date | — |
| Expiry date | Jan 8, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/159
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A moisturizing mat, and process for making it, are disclosed. The moisturizing mat is suitable for use as a base to promote trickle watering of plants in greenhouses. The mat comprises a wood pulp/fabric layer having an impervious plastic film backing layer. The moisturizing mat is produced by a process including the steps of (a) depositing wood pulp on a first fibrous layer, (b) placing a second fibrous layer on top of the wood pulp, (c) bonding the product of step (b), and (d) bonding an impervious plastic film to one face of the product of step (c).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.