Porous product for cultivation plants and a method for manufacturing same
US4949503A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 16, 1989 |
| Grant date | Aug 21, 1990 |
| Priority date | — |
| Expiry date | Nov 16, 2009 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD04H1/74
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a porous product for cultivating plants, comprising a matrix of mineral fibres which can be moistened with water, by material present in said porous product having a greater water retaining capacity than said mineral fibres which form said matrix and which can be moistened with water, of which preferably said material consists of flakes having a greater water retaining capacity and are accommodated therein over the whole height or only a portion of the height, and comprises mineral fibres that can be moistened with water, the density of which is at least 20, preferably 30, or more preferably 40 kg/m.sup.3 greater than the density of the mineral fibre matrix, and further to a method for manufacturing such a porous product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.