Fences – Electric
Patent
1983-02-02
1985-01-22
Kundrat, Andrew V.
Fences
Electric
174117M, A01K 300
Patent
active
044947330
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to an enclosure for animals, comprising one or more tapes, extending from fixing points which are spaced apart, having one or more electrical conductors which are electrically insulated from the ground and which can be connected to a source of electricity.
TECHNICAL PROBLEM
The aim of the present invention is to provide an enclosure which requires minimum maintenance costs, is strong, easy to erect and encloses the animals in an effective and careful manner.
THE SOLUTION
The aim is achieved by means of an enclosure in accordance with the present invention which is characterized in that the tape is woven from a plurality of longitudinal and transverse force-absorbing textile threads and that the electrical conductor is formed by one or more woven-in longitudinal electrically-conductive contact wires with uninsulated surfaces.
BRIEF DESCRIPTION OF DRAWINGS
In the following the invention will be described in greater detail with embodiments by reference to the appended drawings on which
FIG. 1 illustrates, in the form of a partially fragmented view, a section of an enclosure in accordance with the invention,
FIG. 2 shows on a larger scale a section of a tape forming part of the enclosure,
FIG. 3 shows on an even larger scale and in schematic form the path of an electrical contact wire forming part of the tape,
FIGS. 4-7 illustrate the fixing devices for attaching the tape to a pole or the like.
FIGS. 8 and 9 illustrate a section of the tape, viewed from one side and then the other side, where the appearance of the electrical contact wires is illustrated by means of an embodiment, and
FIG. 10 illustrates a section through the tape along the line X--X in FIG. 8.
BEST MODE OF CARRYING OUT THE INVENTION
The enclosure in accordance with the invention consists of one or more tapes 1 which are tensioned between posts 2 which are driven in a conventional manner into the ground 3. The posts can be of timber, metal or the like. In the example shown the tapes are two in number and extend to different heights above the ground so as to form an effective enclosure for both large and small animals, such as horses and their foals. It is also possible to utilize only one tape, or a larger number of tapes, for the enclosure.
In accordance with the invention the tape 1 is made of textile material and is woven from a plurality of longitudinal and transverse textile threads, i.e. warp threads and weft threads. These threads are made from a strong, force-absorbing, relatively light material, e.g. synthetic material, such as polyester yarn, and so as to provide good tensile strength are for example woven in plain weave. These warp and weft threads are electrically insulating. In accordance with the invention electrically conductive, longitudinal contact wires 4 are woven in, in the example shown there are five, which are uniformly distributed across the width of the tape with a central contact wire and with two contact wires located on each side of this wire, whereby the electrical contact wires are at a distance from and thus some distance inside the longitudinal outer edges 5, 6 of the tape.
In an embodiment having a tape width of 45 mm 70 conventional warp threads are employed of electrically insulating polyester thread and five electrically conductive wires. The warp threads employed can be of size NM3, i.e. three meters of yarn thread per gram, while the weft threads can be of size NM9, i.e. nine meters of yarn thread per gram. For example these threads can be made from a white relatively glossy material, but can naturally be made in different colors dependent on the color perception capacity of the animals concerned.
The electrical contact wires 4 are made for example with a core of textile thread, for example the same material as the insulating yarn threads. Here the core is braided with or surrounded by turns of an electrically conductive wire of metallic material, which is thin relative to the core size, e.g. tinned copper wire which thus does not adopt a patina.
As
REFERENCES:
patent: 2502882 (1950-04-01), Perkins
patent: 2530247 (1950-11-01), Koonz
patent: 3504892 (1970-04-01), Crist
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