Production of artificial growing mediums
US4309844A · kind A · utility
24Cited by
7References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 14, 1980 |
| Grant date | Jan 12, 1982 |
| Priority date | — |
| Expiry date | Jan 14, 2000 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01C1/044
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Process and apparatus for the production of a seeded artificial growth medium comprises continuously feeding a flexible carrier sheet which may comprise a non-woven fibrous material or a sheet of foamed plastics material, applying seeds to the upper surface of the continuously moving sheet, moving a sheet of flexible foamed plastics material in synchronism with the carrier sheet, bringing the sheet of foamed plastics material into juxtaposition with the upper surface of the carrier sheet after application of the seeds and continuously adhering the sheets together, preferably by flame lamination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.