Planting – Liquid or gas soil treatment – Hand manipulated
Patent
1984-08-02
1986-11-25
Feyrer, James R.
Planting
Liquid or gas soil treatment
Hand manipulated
A01C 2302
Patent
active
046241949
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF INVENTION
The invention relates to an apparatus for the breaking of soil used for the cultivation of plants.
In a proven soil working process (DE No. 2 742 606) compressed air is injected in a sudden impact by means of a rapid closing valve through a probe into the ground, whereby the latter is broken up. By means of the flow of air a substance, for example a filler or a fertilizer, may be injected in the process into the ground through an injection valve, from a separate reservoir or the like, through the probe, so that the lining of channels in the broken ground and the introduction of a fertilizer with a supply of oxygen is possible. In view of the separate supply of the substance from a reservoir remote from the apparatus, interference with the introduction of the substance into the ground cannot be excluded and difficulties may arise in the manipulation of the apparatus.
It is the object of the invention to provide an apparatus having simplified handling, together with improved controls with regard to the optimum introduction of compressed air and a supplemental substance into the soil.
Preferred embodiments and further developments, together with further advantages and essential details of the invention will become apparent from the description hereinafter and the drawings attached hereto, said drawings showing preferred forms of embodiment as examples.
BRIEF DESCRIPTION OF THE APPLICATION DRAWING
FIG. 1 shows an upper part with an intermediate reservoir of the apparatus according to the invention in a partially sectioned side elevational view,
FIG. 1a is a side elevation view of a portion of FIG. 1, showing means for rotating the inner tube positioned below the reservoir relative to the fitting within which it is positioned.
FIG. 2 is a partially sectioned view of the apparatus according to the invention and forming a continuation of the bottom of FIG. 1, with a probe driver located under the intermediate reservoir of FIG. 1,
FIG. 3 is a partially sectioned view of the lower portion of the probe, with FIG. 3 being a continuation of the bottom of FIG. 2,
FIG. 3a is a horizontal sectional view more clearly showing the manner in which compressed air is discharged from the probe, and
FIG. 4 is an upper part with the intermediate reservoir of a further embodiment of the apparatus according to the invention, in a partially sectioned side elevational view similar to FIG. 1.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
The apparatus shown as examples in the drawings are used to break up soil for the cultivation of plants, whereby compressed air generated, for example, by a compressor is introduced to a depth of approximately 50 cm to about 85 cm or deeper into the ground suddenly in the form of an eruptive impact, so that the soil is broken and loosened within a defined area. In the process the ground is broken and rendered permeable, in particular along structurally predetermined fracture lines so that the soil structure itself is not damaged. Channels in the eruptively loosened areas may be lined with the aid of the apparatus according to the invention by means of fillers introduced immediately after the onset of the pressure impact and thus supported. However, different substances, such as, for example, a fertilizer or a healing substance, may also be introduced shortly after the onset of the pressure impact into the channels of the eruptively loosened area, whereby by means of the simultaneous introduction of oxygen the optimum preparation of the soil is obtained.
In FIG. 1 according to the invention an intermediate reservoir 1 is provided for the substance, said reservoir 1 having essentially the configuration of a cone resting on its top, or a closed funnel. On the upper wall 2 of the intermediate reservoir 1 a rapid closing valve 3 is arranged in the vertical center axis of said reservoir 1, with a packing disk 5 being formed on a lifter rod 4. The lifter rod 4 is movable in the direction of the axial double arrows. In the course of an upward movement the packing disk is lif
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patent: 4429647 (1984-02-01), Zinck
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