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US 4,110,933 AGranted
Process and an apparatus for killing trees or woody plants
AssigneeEdsbyns Industri AB
InventorPer Haggblom
Life of this patent
Estimating the term…
Abstract
Trees and bushes are killed by means of a biocide. A sharp-pointed carrier for the biocide is inserted between the bark and the wood of the trees or bushes, to make the biocide contact the phloem and the outermost xyleme.
Claims5
An apparatus for applying a biocide to trees and woody plants having bark comprising:
- discrete injection means for carrying a quantity of biocide for insertion into a tree;
- means for feeding a plurality of said injection means in sequence;
- and
- means for driving said injection means sequentially into the tree substantially into the area between the bark and the wood of the tree.
1 more element
Dependencies are inferred from the claim text.