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US 5,287,651 AGranted
Apparatus for bulb plant cultivation
AssigneeIsover Saint-Gobain
InventorMartien de Graaf
Life of this patent
Estimating the term…
Abstract
Apparatus for the greenhouse cultivation of flower bulbs wherein the bulbs are placed in pockets (6) made in a hydrophilic mineral wool felt (5). The pockets (6) are formed at regular intervals and open only on one face of the felt. The opening formed in each pocket is of a slightly smaller size than the maximum diameter of a bulb (3) intended to be received in the pocket. The depth of each pocket is sufficient for the bulb (3) positioned therein to penetrate the pocket at least to the level of its largest section.
Claims9
An apparatus for cultivating bulbs comprising:
- a rigid tray;
- a two layer hydrophilic mineral wool felt placed on the tray;
- a plurality of pockets formed at regular intervals in only an upper one of the layers of the felt, each pocket having only one opening located at a first face of the felt, each said opening having a diameter slightly smaller than a maximum diameter of a bulb intended to be cultivated in the pocket, and each pocket having a depth sufficient to receive a bulb at least up to the level of the maximum diameter of the bulb.
Dependencies are inferred from the claim text.