Agroblock, such as agroplug, agroplug system and a plug strip therefor
US5218783A · kind A · utility
34Cited by
13References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 6, 1989 |
| Grant date | Jun 15, 1993 |
| Priority date | — |
| Expiry date | Jul 6, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01G24/44
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to an agroblock comprising an inorganic soil type, such that the agroblock is substantially form-retaining at any moisture content and that at a suction pressure of pF 2 the moisture content amounts to at least 15% by volume. Preferably the agroblock comprises a homogeneous mixture of mineral wool and said inorganic soil type, wherein the quantity of mineral wool amounts to 0-90% by weight, and the amount of soil type amounts to 100-10% by weight.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.