JPH0984A - Fixing tool for sheet material for agriculture or horticulture - Google Patents

Abstract

PURPOSE: To facilitate operation for fixing the end of a sheet material. CONSTITUTION: This fixing tool 1 is equipped with a wedge 2 having the lower end 2a sharpened to an acute angle, a ring part 3 integrally provided at the upper end of the wedge 2 and a fixing part 4 formed under the ring part 3. The end of a sheet material is wound round the fixing part 4 through the ring part 3 and the wedge 2 is inserted into the soil face. Thereby, the end of the sheet material can simply be fixed to the soil face without boring a hole in the sheet material.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stopper for a sheet material used when setting up a sheet material such as a vinyl sheet or a net covering a greenhouse, tunnel or nursery used in agriculture or horticulture. .

[0002]

2. Description of the Related Art Conventionally, in the agriculture or horticultural industry, when setting up a sheet material such as a vinyl sheet or a net to be covered in a greenhouse, a tunnel, a nursery, etc., after covering the frame or the nursery with the sheet material, By putting soil on the edge of the sheet material or driving a pile from above the sheet material, the edge of the sheet material was pressed so as not to rise.

[0003]

However, as described above, if the soil is placed on the edge of the sheet material, the soil will be washed away by the rain or the soil will be blown away by the wind. I had to do it often. Also, when driving the pile to fix the edge of the sheet material, the pile is driven from above the sheet material, so that a hole is opened in the sheet material and the sheet material cannot be reused, which is a disadvantage in terms of cost. Occurs.

In a vinyl greenhouse or a vinyl tunnel, when the temperature becomes high during the daytime in summer, the edges of the vinyl sheet may be lifted for ventilation. In this case, if soil is placed on the edge of the sheet material, it is necessary to perform a complicated work such as removing the soil when performing ventilation and placing the soil again when ventilation is finished. In addition, when a pile is struck on the edge of the sheet material, a new hole is opened in the sheet material each time the pile is struck again, so that frequent ventilation cannot be performed. Further, when ventilation is performed, it is necessary to lift the ends of the sheet material and bundle the sheet materials with a string or the like so as not to lower the sheet material, which takes time, and it is particularly difficult to perform the work under hot weather.

[0005]

In order to solve the above-mentioned problems, a stopper for a sheet material according to the present invention is provided with a ring portion on an upper portion of a wedge portion to be inserted into the soil, and further below the ring portion or the ring portion. A locking portion capable of locking the sheet material is provided. Further, according to the present invention, a sheet pressing plate is provided in a wedge portion whose upper and lower ends are sharply sharpened, and a projection is formed on a lower surface of the sheet pressing plate. Further, a pressing plate for a sheet material may be provided on the wedge portion provided with the ring portion.

[0006]

The edge of the sheet material is inserted into the ring portion, wound around the outer periphery of the wedge portion, and the edge of the sheet material is hooked on the locking portion so that the edge of the sheet material does not come off from the ring portion. Be stopped. Then, by inserting the wedge portion into the soil, the end of the sheet material is fixed to the soil surface. Therefore, the edge of the sheet material can be fixed by a simple operation, and no hole is formed in the sheet material.

[0007]

【Example】

1. First Embodiment A sheet material stopper 1 shown in FIG. 1 includes a wedge portion 2 and a ring portion 3.
A locking portion 4 and a grip portion 5. The stopper 1 is made of a material having a strength such that it can be driven into soil such as synthetic resin, metal, wood, and bamboo.
The wedge portion 2 has a spear blade shape with a sharp lower end 2a, and the body portion 2b has an elongated thick plate shape with a constant width. As shown by an imaginary line in FIG. 1, the cross section 2c of the wedge portion 2 has a curved arc shape. As a result, the bending strength of the wedge portion 2 is increased. Further, as shown in the side view of FIG. 2, the lower end 2a is
It becomes thinner toward the tip. The curved shape of the cross section 2c is not limited to the arc shape, but may be a corrugated shape, a concave shape, an elliptic arc shape, or the like. Further, in order to increase the bending strength of the wedge portion 2, one or more ridges in the length direction may be formed on the surface of the wedge portion 2.

The ring portion 3 has a hollow circular ring shape and is integrally provided on the upper end of the wedge portion 2. In this embodiment, a part of the lower surface 3a of the ring portion 3 is continuous with the upper end of the wedge portion 2. Also,
As shown in FIG. 2, the central axis 6 of the ring formed by the ring portion 3
Is parallel to the longitudinal direction of the wedge portion 2. In addition, this ring 3
The shape of is not limited to an annular shape, and may be a hook shape, a U shape, a U shape, a semi-annular shape, a square annular shape, an elliptic annular shape, or a plurality of shapes may be provided. Further, the central axis 6 may be inclined with respect to the longitudinal direction of the wedge portion 2.

The engaging portion 4 is provided immediately below the ring portion 3 and is formed in a triangular notch shape on both sides of the wedge portion 2. The shape of the locking portion 4 is not limited to the triangular notch shape, and may be, for example, a semicircular or square notch shape, a concave notch shape, or the like, or a polygonal shape. Alternatively, it may be a circular protrusion. The position where the locking portion 4 is provided may be below the ring portion 3, and for example, the ring portion 3
Notches or protrusions may be provided on the lower surface 3a of the above and used as the locking portion 4.

The grip portion 5 is provided integrally with the ring portion 3 so as to be continuous from a part of the upper surface of the ring portion 3. The cross-sectional shape of the grip portion 5 is an arc shape similar to that of the wedge portion 2. Also,
A portion 5a of the grip portion 5 having a predetermined length from the upper surface of the ring portion 3 has a narrow width. The shape of the grip 5 is shown in FIG.
The shape is not limited to that shown in FIG. 2 and may be any shape such as an inverted triangle shape or a key shape that is easy to grip. Further, the grip portion 5 may be provided with a through hole 5b so that a string can be passed through or a hook can be hooked. Further, the length La and width Wa of the wedge portion 2 or the length Lb and diameter Wb of the ring portion 3 depend on the scale of the greenhouse or tunnel in which this stopper 1 is used or the area and thickness of the sheet material. The strength and ease of handling are taken into consideration.

The stopper 1 having such a structure is shown in FIG.
It is used for the vinyl tunnel 7 as shown in. An operator squeezes the front and rear ends 9 of the vinyl sheet 8 into thin pieces and inserts them into the ring portion 3 from above as indicated by arrow A1 in FIG. Next, the tip of the end 9 appearing below the ring portion 3 is moved to the arrow A2.
Turn it to the back of the wedge part 2 so that it passes through the locking part 4 like
Further, as shown by the arrow A3, the end 9 is connected to the other locking portion 4
Through the ring portion 3 from below and pull it out above the ring portion 3 as indicated by arrow A4. After this, as shown in FIG. 3, the wedge portion 2 is moved to the soil surface 10 until the ring portion 3 bites into the soil surface 10.
Plug in. By this, the edge 9 of the vinyl sheet 8
Is sandwiched between the lower surface of the ring portion 3 and the soil surface 10, and the end 9 is hooked on the locking portion 4, so that the end 9 is
It does not come off easily. Further, the end 9 can be firmly fixed to the soil surface by a simple operation of inserting the end 9 into the ring portion 3 and driving the stopper 1 into the soil. Further, since the vinyl sheet 8 is not perforated, the vinyl sheet 8 can be reused. When pulling out the stopper 1, if the operator grips the grip portion 5 and pulls it upward, the wedge portion 2 easily escapes from the soil.

The end 9 of the vinyl sheet 8 is attached to the stopper 1
Instead of the arrow A4 in FIG. 1, the end 9 may be hooked on the locking portion 4 and pulled laterally when wrapped around. At this time, the locking effect of the locking portion 4 is improved by passing it through the portion indicated by the arrow A2.

Further, as shown in FIG. 4, a slit 11 in the lengthwise direction may be provided in a part of the ring portion 3. This allows
By pushing the end portion of the sheet material into the ring portion 3 through the slit 11, the operator can easily insert the sheet material into the ring portion 3 while holding the tip of the sheet material. Further, since the slit 11 is provided, the sheet material can be inserted into the ring portion 3 without cutting the leading end thereof, so that a plurality of vinyl tunnels can be continuously installed without cutting a long sheet material. You can

Further, by forming the retaining protrusions 12 having a shape that produces resistance in the pulling direction on both sides and front and back surfaces of the wedge portion 2, the retaining effect after the wedge portion 2 is driven into the soil is increased. In addition, the retaining protrusions 27 may have different protruding positions as shown in FIG. 4, or may be symmetrical positions.

2. Second Embodiment A sheet material stopper 21 shown in FIG. 5 includes a wedge portion 22, a ring portion 23, a locking portion 24, and a grip portion 25. The stopper 21 is made of a material having a strength such that it can be driven into soil such as synthetic resin, metal, wood, and bamboo. The wedge portion 22 has a spear blade shape in which a lower end 22a is sharply sharpened, and the body portion 22b is in the shape of an elongated rod having a constant width. On both side surfaces of the body portion 22, an inverted triangular retaining protrusion 27 that generates resistance in the pulling direction is formed. As shown in FIG. 6, the cross section 22c of the wedge portion 22 is H-shaped. As a result, the bending strength of the wedge portion 22 is increased. Also,
The lower end 22a becomes thinner toward the tip. The shape of the cross section 22c is not limited to the H-shape, but is hollow, U-shape,
A reinforcing structure such as a U-shape, an X-shape, or a concave shape may be used. Furthermore, the shape of the cross section 22c may be a square, a circle, an ellipse, or the like. In addition, the retaining protrusions 27 may have different protruding positions as shown in FIG. 5, or may be symmetrical positions. Further, the retaining protrusion 27 may be omitted.

The ring portion 23 is a hollow annular ring, and the wedge portion 2
It is integrally provided at the upper end of 2. A part of the outer circumference of the ring portion 23 is continuous with the upper end of the wedge portion 22, and the central axis 26 of the ring portion 23 is perpendicular to the longitudinal direction of the wedge portion 22. The cross-sectional shape of this ring portion 23 is also H-shaped like the wedge portion 22. The shape of the ring portion 23 is not limited to the circular ring shape, and may be a square ring shape or an elliptical ring shape. Further, the cross-sectional shape of the ring portion 23 may be various shapes like the wedge portion 22.

The locking portions 24 are provided immediately below the ring portion 23, and are formed in triangular protrusions on both sides of the wedge portion 22. The shape of the locking portion 24 is not limited to the triangular protrusion shape, and may be, for example, a semicircular or rectangular protrusion shape, or a polygonal or circular cut shape. The locking portion 24 may be provided not only directly below the ring portion 23 but also below the ring portion 23 by a predetermined length, or on a part of the outer circumference of the ring portion 23.

The grip portion 25 is provided integrally with the ring portion 23 so as to be continuous from a part of the upper surface of the ring portion 23. Also, the portion 2 of a predetermined length from the upper surface of the ring portion 23 of the grip 25
5a has a narrow width. The shape of the grip portion 25 is not limited to that shown in FIG. 5, and may be any shape such as an inverted triangle shape or a key shape that is easy to grip. Also, this grip 25
May have the above-mentioned H-shaped cross section or the like.

Further, the length La and width Wa of the wedge portion 22 or the diameter Wb of the ring portion 23 depend on the scale of the greenhouse or tunnel in which the stopper 21 is used or the area and thickness of the sheet material. It is decided in consideration of strength and ease of handling.

The stopper 21 having such a structure is used, for example, in a vinyl tunnel 7 as shown in FIG. The operator finely squeezes the front and rear ends 9 of the vinyl sheet 8 and inserts it into the ring portion 23 as indicated by arrow A6 in FIG. Turn to the back of section 22. Then, as shown by an arrow A7, the end 9 is inserted again through the other locking portion 24 into the ring portion 23 and pulled out upward. After this, as shown in FIG.
Insert the wedge portion 22 into the soil surface 10 until it bites into the ground. As a result, the end 9 of the vinyl sheet 8 is sandwiched between the lower surface of the ring portion 23 and the soil surface 10, and the end 9 is caught by the locking portion 24. There is no escape. Further, the end 9 can be firmly fixed to the soil surface by a simple work of inserting the end 9 into the ring portion 23 and driving the stopper 21 into the soil. Further, since the vinyl sheet 8 is not perforated, the vinyl sheet 8 can be reused. In addition, the ring portion 23 can be molded more easily and the manufacturing cost is lower than that of the stopper 1 of the first embodiment. Further, as compared with the stopper 1 of the first embodiment, the work of passing the end of the sheet material through the ring portion 23 is easier. When pulling out the stopper 21, if the operator grasps the grip 25 and pulls it upward,
The wedge portion 22 easily escapes from the soil.

When the end 9 is wound around the stopper 21, the end 9 may be pulled laterally while being hooked on the engaging portion 24 as indicated by arrow A8 instead of arrow A7 in FIG. At this time, the locking effect of the locking portion 24 is improved by passing it through the portion indicated by the arrow A6. Also, as shown in phantom in FIG. 5, the radial slits 2 are formed in a part of the ring portion 23.
8 may be provided. Thus, by pushing the end portion of the sheet material into the ring portion 23 through the slit 28, the operator can easily insert the sheet material into the ring portion 23 while holding the tip of the sheet material. Further, it is possible to construct a plurality of vinyl tunnels continuously without cutting a long sheet material.

3. Third Embodiment A sheet material stopper 31 shown in FIG. 8 includes a wedge portion 32 and a pressing plate 33. The stopper 31 is made of a material having a strength such that it can be driven into the soil such as synthetic resin, metal, wood, and bamboo, like the stopper 1 or 21. The wedge portion 32 has a double-edged shape in which the upper and lower ends 32a and 32b are sharply sharpened, and the width Wc of the wide portion 32c at a position deviated downward from the center is thicker than the upper and lower ends 32a and 32b. The cross-sectional shape of the wedge portion 32 is the same as the stoppers 1 and 21 shown in FIGS.
Alternatively, a reinforcing structure such as a hollow shape, a U shape, a U shape, an H shape, an X shape, a concave shape, or the like, and further a square shape, a circle, an ellipse, or the like may be used. Furthermore, in order to increase the bending strength of the wedge portion 32,
One or more longitudinal protrusions may be formed on the surface of the wedge portion 32. In addition, as shown in the side view of FIG.
a and 32b are gradually thinned toward the tip.

The pressing plate 33 is provided on the wide portion 32c in a brim shape. The pressing plate 33 may be provided integrally with the wedge portion 32, or may be formed as a separate member and detachable. In this embodiment, the pressing plate 33 formed as a separate member is used. The pressing plate 33 is
The wedge portion 32 is a rectangular plate having long sides in the width direction, and the material thereof may be the same as or different from that of the wedge portion 32. As shown in FIG. 9, the pressing plate 33 includes front and rear edges 33a, 33a.
It is curved in an arc shape so that b is lowered toward the lower end 32b. The shape of the pressing plate 33 may be any of various shapes such as a rectangle, a square, a polygon such as a triangle, a circle, an ellipse, and a star. Further, the pressing plate 33 may have a flat plate shape that is not curved.

A tongue piece 34 extends from the center of the front edge 33a of the pressing plate 33. The tongue piece 34 is curved downward with the same curvature as the pressing plate 33. Tongue 34
Width Wd is shorter than the length We of the long side of the pressing plate 33. The shape of the front side of the tongue piece 34 may be any of various shapes such as a rectangular shape, a polygonal shape such as a triangle, a semicircular shape, an elliptical shape, and a corrugated shape.

Further, as shown in FIG. 10, the pressing plate 3
3 and the back surface of the tongue piece 34, cross-shaped projections 35, 36,
37 are formed. The protrusions 35, 36, 3
The number 7 is not limited to a cross shape, and may be any of various shapes such as a circle, a polygon, a star, a multiple circle, a cone, and a polygonal pyramid, and the number provided is not limited.

An opening 33c is formed in the center of the holding plate 33 in the longitudinal direction at a position deviated in the direction of the rear edge 33b. The shape of the opening 33 matches the outer peripheral shape of the wide portion 32c. Then, the wedge portion 3 is inserted into the opening 33.
The upper end 32a of 2 is inserted, and the pressing plate 33 is moved until it fits on the outer periphery of the wide portion 32c. The pressing plate 33 is fixed by a frictional force generated when the opening 33c is fitted in the wide portion 32c. Alternatively, a locking groove may be provided in the wide portion 33c so that the opening 33c, which is elastically expanded until the pressing plate 33 reaches the wide portion 33c, elastically contracts and fits into the locking groove. The opening 33c is formed on the rear edge 33.
b, may be formed to be recessed from the front edge 33a 4,
The shape may be trapezoidal or elliptical.

Further, the length Lc and thickness Wf of the wedge portion 32, the width Wc of the wide portion 32c, the length Ld from the wide portion 32c to the lower end 32b, the width We and the length Lf of the pressing plate 33, the tongue piece 3
The width Wd and the length Le of No. 4 are determined in consideration of the strength and easiness of handling according to the scale of the greenhouse or tunnel in which the stopper 31 is used or the area and thickness of the sheet material. Also,
The tongue 34 or the protrusions 35, 36, 37 may be omitted. Furthermore, the retaining projections 12 and 27 shown in the above-described embodiments may be formed on both sides and front and back surfaces of the wedge portion 32.

The stopper 31 having such a structure is used, for example, in the vinyl tunnel 7 as shown in FIG. The operator inserts the lower end 32b of the wedge portion 32 into the soil until the pressing plate 33 reaches the soil surface 10 so that the pressing plate 33 is placed on the side edge 13 of the vinyl sheet 8. At this time, the tongue piece 34 is directed toward the vinyl tunnel 7, so that the tongue piece 34 firmly presses the end 13 of the vinyl sheet 8 against the soil surface 10. Further, the projections 35, 36, 37 provided on the lower surfaces of the pressing plate 33 and the tongue piece 34 lock the end 13 of the vinyl sheet 8 so that the end 13 of the vinyl sheet 8 is firmly fixed to the soil surface 10. It Therefore, by using the stopper 31, it is not necessary to put the soil on the edge of the sheet material or hit the pile. Then, the end of the sheet material can be firmly fixed to the soil surface 10 by a simple operation of inserting the stopper 31 into the soil surface 10. Also, no holes are formed in the sheet material.

Further, when the temperature becomes high, the inside of the vinyl tunnel 7 may be ventilated. Ventilation is performed by lifting the end 13 of the vinyl sheet 8. In this case, the operator is required to use the upper end 32a of the stopper 31.
Hold the stopper 31 so that the lower end is the lower end and the lower end 32b is the upper end, and the upper end 32a is pierced into the soil. And holding plate 3
The edge 13 of the vinyl sheet 8 lifted by 3 is supported. As a supporting method, the longitudinal direction of the pressing plate 33 may be arranged at a right angle to the end 13 of the vinyl sheet 8, or the tongue piece 3
You may arrange | position in parallel to the edge 13 of the vinyl sheet 8 so that 4 may be inside the vinyl tunnel 7. Also, the wedge portion 3
The pressing plate 33 is locked to the frame 40 of the vinyl tunnel 7 when 2 is inserted into the soil. As a result, the stopper 31 leans against the frame 40, and the load applied to the pressing plate 33 is increased by the wedge portion 32.
Since it is dispersed in the frame 40, the stopper 31 is hard to fall down. As described above, by using the stopper 31, it is not necessary to lift the end of the sheet material and bind it with a string when performing ventilation. Then, ventilation can be performed only by a simple work of raising the stopper 31 and supporting the end of the sheet material with the pressing plate 33.

After the ventilation is completed, the stopper 31
Is pulled out from the soil surface 10 and turned upside down.
Can be used to stop the end 13 of the vinyl sheet 8 on the soil surface 10. As a result, it is not necessary to collect and put away the stoppers 31 after ventilation is completed, and the work efficiency is improved.

4. Example of Combination As shown in FIG. 12, the retainer 1 of the first embodiment may be provided with the pressing plate 33 shown in the third embodiment. Similarly, FIG.
As shown in FIG. 3, the stopper 21 of the second embodiment may be provided with the pressing plate 33 shown in the third embodiment. Holding plate 33
Has an opening such as the opening 33c. The wedge portions 2 and 22 are inserted into the openings from the lower ends 2a and 22a, and the pressing plate 33 is attached to the wedge portions 2 and 22. The wedge portions 2 and 22 are provided with locking portions that position the pressing plate 33 and fix it so as not to move. The locking portion has a size and shape such that the pressing plate 33 can be attached and detached. For example, as shown in FIG. 14, the locking portions are small protrusions 38 and 39 provided on both sides of the wedge portions 2 and 22 above and below the position where the pressing plates 33 are fixed. The opening 33c of the pressing plate 33 is
When overcoming the small projections 39 on the lower side, the small projections 3 on the upper and lower sides
The pressing plate 33 is held between the parts 8 and 39. In addition, on the side surfaces or front and back surfaces of the wedge portions 2 and 22 of the stoppers 1 and 21,
The retaining projections 12 and 27 as shown in FIGS. 4 and 5 may be provided. In this case, one or both of the retaining protrusions 12 and 27 and the opening 33c are formed of an elastically deformable material, and the pressing plate 33 is configured to be inserted into the wedge portions 2 and 22 while elastically deforming. In this case, the retaining protrusions 12 and 27 may be used as the locking portion.

The stoppers 1 and 21 thus constructed are
When the pressing plate 33 is removed, it can be used to fix the tip of the sheet material to the soil surface 10 as shown in FIG. 3 or FIG.
As shown in FIG. 1, it can be used in the same manner as the stopper 31 of the third embodiment. That is, one stopper 1, 21 has various functions.

The present invention is not limited to the above embodiment,
Various modifications can be made without departing from the spirit of the present invention.
For example, in the stop of FIGS. 1, 4, 5, 12, and 13,
The grip portions 5, 25, 35 may be omitted, and instead, the same portion as the lower end portion 32b of the wedge portion in FIG. 8 may be formed.

In the above description, the stoppers 1, 21, and 31 of each embodiment are used in the vinyl tunnel 7, but in addition to this, a sheet material for covering a greenhouse such as a vinyl house, It can be applied as a stopper for sheet materials used in agriculture or horticulture, such as sheet materials for covering nurseries. Further, the sheet material is not limited to the vinyl sheet, and may be any of various materials such as cloth, film, paper and net.

[0035]

As described in detail above, according to the present invention, the ring portion is provided on the upper part of the wedge portion, and the locking portion is further provided on the ring portion or below the ring portion. The end of the sheet material is inserted through the end of the sheet, wrapped around the outer periphery of the wedge part, and the end of the sheet material is hooked on the locking portion, so that the end of the sheet material is locked so as not to come off from the ring portion. Then, by inserting the wedge portion into the soil, the end of the sheet material is fixed to the soil surface.
Therefore, the end of the sheet material can be fixed by a simple operation, and no hole is formed in the sheet material, so that the sheet material can be reused.

Further, according to the present invention, the sheet pressing plate is provided on the wedge portion whose upper and lower ends are sharply pointed, and the projection is formed on the lower surface of the sheet pressing plate. The edge of the sheet can be fixed to the soil surface by a simple operation of pressing the edge of the sheet against the soil surface with a plate.
Further, when ventilating a greenhouse or a tunnel, it is possible to support the edge of the sheet lifted by the sheet pressing plate by piercing the wedge portion up against the soil surface. Therefore, it is not necessary to tie the end of the lifted sheet with a string, and ventilation can be performed by a simple operation.

[Brief description of drawings]

FIG. 1 is a perspective view of a stopper 1 according to a first embodiment.

2 is a side view of the stopper 1. FIG.

FIG. 3 is a perspective view when the stopper 1 is used for a vinyl tunnel 7.

FIG. 4 is a front view of a stopper 21 according to a second embodiment.

5 is a perspective view showing a modified example of the stopper 1. FIG.

6 is a sectional view of the stopper 21 taken along the line AA in FIG.

FIG. 7 is a perspective view when the stopper 21 is used for the vinyl tunnel 7.

FIG. 8 is a front view of a stopper 31 according to a third embodiment.

9 is a side view of the stopper 31. FIG.

FIG. 10 is a perspective view showing a back surface of a pressing plate 33 of a stopper 31.

FIG. 11 is a perspective view when the stopper 31 is used in the vinyl tunnel 7.

FIG. 12 is a perspective view of a modified example in which a retainer 1 is provided with a pressing plate 33.

FIG. 13 is a perspective view of a modified example in which a pressing plate 33 is provided on the stopper 21.

FIG. 14 is a cross-sectional view of a mounting portion of the pressing plate 33 showing small protrusions 38 and 39 for locking provided in the portion where the pressing plate 33 is mounted.

[Explanation of symbols]

1, 21, 31 ... Stoppers, 2, 22, 32 ... Wedges, 3,
23 ... Ring part, 4, 24 ... Locking part, 5, 25 ... Grip part, 8
... vinyl sheet, 9, 13 ... sheet edge, 33 ... pressing plate, 34 ... tongue, 35, 36, 37 ... protrusion.

Claims (4)

[Claims] 1. A wedge portion having a sharp lower end formed into a wedge shape to be inserted into the soil, and a hollow ring portion integrally provided on an upper portion of the wedge portion and through which an end portion of a sheet material is inserted. A stopper for an agricultural or horticultural sheet material, which is provided with the ring portion or below the ring portion and has a locking portion capable of locking the sheet material inserted in the ring portion. 2. A wedge part having upper and lower ends sharply sharpened and one end inserted into the soil, a pressing plate made of a sheet material provided in the wedge part in a brim shape, and formed on a lower surface of the pressing plate. A stopper for agricultural or horticultural sheet material, which is provided with a protrusion. 3. A wedge part having a lower end formed into a wedge shape with an acute angle and inserted into the soil, and a hollow ring part integrally provided on the upper part of the wedge part and through which an end part of the sheet material is inserted. A locking portion provided below the ring portion or the ring portion and capable of locking the sheet material inserted in the ring portion; and a flange-like portion provided at a position below the ring portion of the wedge portion. An agricultural or horticultural sheet material stopper comprising a sheet material pressing plate. 4. A wedge portion having a sharp lower end formed into a wedge shape, which is inserted into the soil, and a wedge portion integrally provided on the upper portion of the wedge portion, and having an opening in the vertical direction or the front-back direction, A hollow ring portion through which the end portion of the sheet material is inserted; a locking portion that is provided under the ring portion or the ring portion and that can lock the sheet material inserted through the ring portion; A slit formed so as to open both ends in a part of the outer periphery, a grip portion provided at the upper end of the ring portion, a retaining member provided on the surface of the wedge portion, and the wedge portion. It is provided in a collar shape at a position lower than the above-mentioned ring part of
A pressing plate made of a detachable sheet material, the edge of which is curved toward the lower end of the wedge portion, a tongue piece extending on a part of the edge of the pressing plate, and the pressing plate and the tongue piece. With a protrusion formed on the lower surface, the lower end of the wedge portion is inserted into the soil in a state where the sheet material is attached to the wedge portion, so that the edge of the sheet material is brought to the soil surface by the pressing plate of the sheet material. It can be fixed, and further, by flipping the wedge portion upside down and inserting the upper end of the wedge portion into the soil, the edge of the sheet material can be held in a state of being lifted by the pressing plate of the sheet material, A stopper for gardening sheet materials.