Patents Assigned to Association Foret-Cellulose
  • Cultivation balls
    Patent number: 4369599
    Abstract: A cultivation ball is formed from at least one envelope, which is sealed or substantially sealed, containing the cultivation substrate; the plant is disposed in the ball, being separated from the substrate by at least one wall of the envelope or envelopes, and each envelope is made from a material through which the roots of the plant can pass once the ball has been set to grow. The substrate-containing envelope can be produced industrially at high rates of production, and is easily applied to the plant.
    Type: Grant
    Filed: February 17, 1981
    Date of Patent: January 25, 1983
    Assignee: Association Foret-Cellulose
    Inventors: Andre Franclet, Pierre Favereau