Plant husbandry – Plant surface contact material applicator
Patent
1982-08-04
1984-12-11
Feyrer, James R.
Plant husbandry
Plant surface contact material applicator
A01M 2100
Patent
active
044869762
DESCRIPTION:
BRIEF SUMMARY
In prior-art coating assemblies for killing of weeds by means of liquid killer the application of the killer is effected by means of freely depending capillary means in the form of a cloth, which may be slit into tongues, finger-like long members in the form of ropes or stockings of porous material, e.g. textile material or porous plastics material. Coating assemblies of such design have the disadvantage that, when certain types of vegetation and weeds are concerned, e.g. low-growth or creeping weeds, such assemblies are not capable of penetrating down to the weeds and of coating them efficiently. Nor can they act but in vertical direction, which in certain cases reduces their capability of attacking weeds. With the present invention the disadvantages mentioned are overcome and a coating assembly is provided, which can be given the desired form adapted to various purposes while being disposed at the same time to exert a desired force towards the surface or area to be coated.
This is realized in that the assembly comprises: a finger or band-shaped, elongated, resiliently yielding supporting body, for instance in the form of a spring wire, a prestressed, closely wound, helical spring or a resilient tube; a capillary carrier for the killer, for instance in the form of a porous stocking, a rope or a band of textile material, disposed along the resilient body and joined with it; a supply means for killer; and fastening means positioned at least at one end of the assembly for supporting the assembly.
In a second embodiment of the invention the body is a resilient tube enclosing the capillary carrier and having, at least along part of its length, at least one series of openings at which the capillary carrier disposes within the tube exhibit coating surfaces.
In a third embodiment the assembly has a body in the form of a straight finger or stick and is surrounded by the capillary carrier, while the assembly in a fourth embodiment may take the form of a conical helical line and be adapted, if desired, to be fitted on a planting stick or planting tube, primarily intended for forest plants, in order to coat the area around the plant to keep this free from weeds.
In a sixth embodiment the assembly has been carried out in the form of a cylindrical helical line and according to a specific design it may be placed between two round, diskshaped end walls or side wheels adjustable to provide various intermediate distances between them to coat an area of varying width by rolling on the ground.
In a seventh embodiment the assembly may have a weight, for instance in the form of a metal lining, at the free end of a finger-like assembly.
In an eighth embodiment the assembly is U-shaped and is adapted to be fastened at both its ends to a ride-on supporting means and is vertically adjustable relative to the ground. Connected to at least one fastening end there is, according to an embodiment of the invention, a feeding means for killer, comprising a hose having its other end, remote from the fastening means, attached in a threaded nipple which is adjustable by an adjusting means attached to the body and engaging the nipple to extend the hose in order to stretch it and to adjust the size of holes provided in the walls of the hose to permit varying dispensation of killer.
In a further embodiment the assembly has a feeding means including hoses of various diameter nested within each other and joined at the fastening end of the assembly, the open ends of the hoses, remote from the fastening means, being situated at different distances so that the distance is the greatest for the hose having the smallest diameter, and said distances can be uniformly distributed along the assembly.
In a final embodiment the assembly is adapted to be supported in a direction deviating from the vertical direction.
The invention will be described in more detail hereinafter with reference to the accompanying drawing, wherein:
FIG. 1 shows an assembly as seen in the coating direction;
FIG. 2 is a side view of the assembly of FIG. 1;
FIG. 3 shows another embod
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