JPH10276584A - Nursery box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a nursery box, which reduces metal die costs, extremely easily usable and improved in quality and practical usability by improving the mechanical strength of bottom wall and further extremely thinning the thickness of bottom wall. SOLUTION: Concerning the tray-shaped nursery box provided with surrounding walls 2 around a bottom wall 1, a lower surface 5 of bottom wall 1 is formed flat, a lot of water reserving recesses 7 are arranged by surrounding walls 3 formed while being successive to an upper surface 6 of bottom wall 1, and nursery holes 4 are opened among these water reserving recesses 7.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a nursery box for making a seedling mat for use in a rice transplanter.

[0002]

2. Description of the Related Art A conventional seedling raising box has a structure in which holes are scattered on a bottom wall. However, water shortage occurs and watering work must be performed frequently. Instead, a plastic integrated molded product in which pyramid-shaped water pool recesses are arranged in a grid pattern and seedling growth holes are provided at intersections of ridge lines has been adopted as an improved type thereof.

However, the conventional seedling raising box has a drawback in that a thick portion and a thin portion are formed in the thickness of the bottom wall, and the bottom wall is distorted during plastic molding and the bottom wall is distorted.

Therefore, in order to prevent the distortion and to prevent the deformation of the bottom wall, a rib is provided on the bottom wall to impart structural strength.

However, by providing these ribs, the lower surface of the bottom wall is not flat, the root of the hair is not cut well, the thickness of the upper bottom wall becomes thick, and the manufacturing cost of the mold is high. This has the disadvantage that Therefore, it is a technical problem of the present invention to provide a seedling box in which there is no warp or deformation of the bottom wall, the structural strength of the bottom wall is strong, the thickness of the bottom wall is made as thin as possible, and the mold cost is low. .

[0006]

The gist of the present invention will be described with reference to the accompanying drawings.

A tray-like seedling raising box having a peripheral wall 2 provided around a bottom wall 1, wherein a lower surface 5 of the bottom wall 1 is formed flat, and an enclosure wall formed in a state of being connected to an upper surface 6 of the bottom wall 1. 3. A seedling raising box according to claim 3, wherein a large number of water pool recesses 7 are provided, and seedling raising holes 4 are formed between the water pool recesses 7.

A tray-shaped seedling raising box provided with a peripheral wall 2 around the bottom wall 1, wherein the outer surface 5 of the bottom wall 1 is formed flat, and the inner surface 6 of the bottom wall 1 has a vertical straight inner surface. A plurality of water pockets 7 and recesses 7 are vertically and horizontally arranged in a grid by the surrounding wall 3 having a peripheral wall, and the seedlings penetrate the bottom wall 1 between the water pool recesses 7 from the inner surface 6 to the outer surface 5 of the bottom wall 1. The present invention relates to a nursery box having holes 4 provided therein.

A tray-shaped seedling raising box provided with a peripheral wall 2 around the bottom wall 1, wherein the outer surface 5 of the bottom wall 1 is formed flat, and the inner surface 6 of the bottom wall 1 is annular or polygonal. A large number of enclosure walls 3 are provided vertically and horizontally in a grid, and a seedling hole 4 penetrating from the inner surface 6 to the outer surface 5 of the bottom wall 1 is provided in the bottom wall 1 surrounded by the four enclosure walls 3. Pertaining to a nursery box.

[0010]

The operation and effect of the present invention.

A tray-like seedling raising box provided with a peripheral wall 2 around the bottom wall 1, wherein the lower surface 5 of the bottom wall 1 is formed flat, and the surrounding wall is formed so as to be connected to the upper surface 6 of the bottom wall 1. 3, a large number of puddle recesses 7 are provided, and seedling raising holes 4 are formed between the puddle recesses 7. Therefore, even if the roots of the seedlings extend downward from the lower surface 5 of the bottom wall 1, the lower surface 5 The roots of the seedlings protruding from the root can be very easily cut because the lower surface 5 is flat. Furthermore, the pool recess 7 formed by the surrounding wall 3 is
An appropriate amount of water can be stored, and by selecting the size and depth, a seedling box with excellent practicality can be obtained.

The invention according to claim 2.

A tray-like seedling raising box having a peripheral wall 2 provided around a bottom wall 1, wherein an outer surface 5 of the bottom wall 1 is formed flat,
On the inner surface 6 of the bottom wall 1, a large number of recesses 7 are arranged in a rectangular shape in a vertical and horizontal manner by a surrounding wall 3 having a vertical straight inner peripheral wall, and the bottom is disposed on the bottom wall 1 between the recesses 7. Since the seedling raising holes 4 penetrating from the inner surface 6 to the outer surface 5 of the wall 1 are provided, the bottom wall 1 having a large area can have a high structural strength, and the structural strength of the bottom wall 1 can be increased as in the related art. Therefore, it is not necessary to form a rib or the like on the lower surface 5, and furthermore, it is easy to manufacture a molding die, and at the time of molding the bottom wall 1, no sink occurs on the bottom wall 1. The seedling box is not practically distorted, and the puddle is excellent in practicality.

The invention according to claim 3.

A tray-like seedling raising box having a peripheral wall 2 provided around a bottom wall 1, wherein an outer surface 5 of the bottom wall 1 is formed flat.
A large number of annular or polygonal surrounding walls 3 are provided on the inner surface 6 of the bottom wall 1 in a vertical and horizontal grid, and the bottom wall 1 surrounded by the four surrounding walls 3 is provided from the inner surface 6 to the outer surface 5 of the bottom wall 1. Since the seedling raising hole 4 penetrating through is provided, unlike a conventional pyramid-shaped recess, a water-shed recess 7 having an annular straight circumferential surface with a small depth makes the seedling box strong and well-watered, It is not necessary to form many irregularities on the inner surface 6 and the outer surface 5 of the bottom wall 1 as in the related art, and it is possible to prevent sinks from being generated on the bottom wall 1 at the time of molding and the bottom wall 1 from being distorted. There is no need to provide ribs for reinforcing the structural strength of the bottom wall 1, and the seedling raising box is excellent in practicality and can be manufactured at low cost.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A nursery box according to one embodiment of the present invention will be described below with reference to the drawings.

In this embodiment, as shown in FIGS.
A tray-shaped seedling raising box having a peripheral wall 2 provided around a bottom wall 1, wherein a lower surface 5 of the bottom wall 1 is formed flat, and water is provided by an enclosure wall 3 formed in a continuous state with an upper surface 6 of the bottom wall 1. A large number of pool recesses 7 are provided, and seedling growth holes 4 are provided between the pool recesses 7.

This embodiment is formed by plastic integral molding.

The surrounding wall 3 is, as shown in FIG.
The surrounding walls 3 may be provided vertically and horizontally in a contact state, or may be formed with some gaps between the surrounding walls 3.

Although the shape of the enclosing wall 3 is a perfect circle in the drawing, it is not a perfect circle but an elliptical shape or the like can be appropriately set. If it is formed in a ring shape, the shape of the ring can be set appropriately. .

Furthermore, the size of the outer diameter of the surrounding wall 3 and the surrounding wall 3
The size of the enclosing wall 3 such as the size of the water pocket concave portion 7 formed on the inner surface or the height of the protruding portion of the enclosing wall 3 can be appropriately set.

The inner surface of the peripheral wall 2 is formed so that the inner surface becomes wider upward, and the inner surface of the surrounding wall 3 is formed so that the inner surface becomes wider upward. Is made into an R shape, for example, so that molding and demolding of the plastic integrated molded product of the present embodiment are made easier.

Another embodiment having a structure different from that of the above embodiment will be described with reference to FIGS.

Another embodiment shown in FIGS. 3 and 4 is a tray-shaped seedling raising box having a peripheral wall 2 around the bottom wall 1, wherein the outer surface 5 of the bottom wall 1 is formed flat and A large number of puddle recesses 7 having a vertical straight inner peripheral wall on the inner surface 6 are provided in a grid shape vertically and horizontally, and penetrate from the inner surface 6 of the bottom wall 1 to the outer surface 5 in the bottom wall 1 surrounded by four puddle recesses 7. A nursery hole 4 is provided.

In this embodiment, the outer surface 5 of the bottom wall 1 is
Is formed flatly, and a large number of surrounding walls 3 projecting in a ring shape are provided on the inner surface 6 of the bottom wall 1 in a vertical and horizontal direction, so that the water pool recess 7 formed on the inner surface of the surrounding wall 3 has a columnar shape. Unlike the pyramid-shaped concave portion, the volume can be increased by the water reservoir concave portion 7 having a small depth, the thickness of the bottom wall 1 can be reduced, and the inner surface of the conventional bottom wall 1 can be reduced. Since the outer surface 5 of the bottom wall 1 is formed flat and the inner wall 6 of the bottom wall 1 is provided with the surrounding wall 3 projecting in an annular shape without forming many irregularities on the outer wall 6 and the outer surface 5, 1. It is possible to prevent sinks from being formed on the bottom wall 1 and warp the bottom wall 1, eliminate the need to provide ribs for reinforcing the structural strength on the bottom wall 1, and reduce the manufacturing cost of the mold. Can be.

Further, since the seedling raising holes 4 penetrating from the inner surface 6 to the outer surface 5 of the bottom wall 1 are provided in the bottom wall 1 surrounded by the four surrounding walls 3, the water pool recess formed on the inner surface of the surrounding wall 3 is formed. The water required for the growth of the seedlings can be sufficiently secured at 7, and the roots of the seedlings grow in the water pool recess 7 and then climb over the surrounding wall 3 toward the seedling growth hole 4, so that the root entanglement is good. You can make excellent seedling mats.

Further, since the outer surface 5 of the bottom wall 1 is formed flat and a large number of column-shaped water pool recesses 7 are provided on the inner surface 6 of the bottom wall 1 vertically and horizontally, unlike the conventional pyramid-shaped recess. The volume can be increased by the columnar pool recess 7 having a small depth, and when the desired volume of the pool recess 7 is to be formed, the thickness of the bottom wall 1 can be reduced and the conventional wall can be formed. Because the outer surface 5 of the bottom wall 1 was formed flat without forming many irregularities on the inner surface 6 and the outer surface 5 of the bottom wall 1, and the columnar pool recess 7 was provided on the inner surface 6 of the bottom wall 1. During molding, sinks are less likely to occur on the bottom wall 1 and warpage of the bottom wall 1 is eliminated, and it is not necessary to provide ribs for reinforcing the structural strength on the bottom wall 1, and the production of a mold The cost can be reduced.

Further, since the seedling hole 4 penetrating from the inner surface 6 to the outer surface 5 of the bottom wall 1 is provided in the bottom wall 1 surrounded by four pillar-shaped recesses 7, it is necessary for the seedling to grow in the pillar-shaped recess 7. Water can be sufficiently secured, and the roots of the seedlings are in the pool recess 7.
After growing inside, it rises from the outer peripheral surface of the water pool recess 7 to the outer peripheral edge forming the water pool recess 7 and extends toward the seedling raising hole 4, so that rooting is good and a superior seedling mat is produced. Can be.

[Brief description of the drawings]

FIG. 1 is a front view showing a nursery box according to one embodiment of the present invention.

FIG. 2A shows a nursery box according to one embodiment of the present invention.
It is -A enlarged sectional view.

FIG. 3 is a partially enlarged front view showing a seedling raising box according to another embodiment of the present invention.

FIG. 4A shows a nursery box according to another embodiment of the present invention.
It is -A sectional drawing.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bottom wall 2 Perimeter wall 3 Enclosure wall 4 Seedling raising hole 5 Lower surface, outer surface 6 Upper surface, inner surface 7 Puddle recess

Claims (3)

[Claims] 1. A tray-like seedling raising box having a peripheral wall provided around a bottom wall, wherein a lower surface of the bottom wall is formed flat, and a water pocket recess is formed by an enclosure wall formed continuously with the upper surface of the bottom wall. A seedling raising box, wherein a large number of the seedlings are arranged, and a seedling raising hole is formed between the water pool recesses. 2. A tray-like seedling raising box having a peripheral wall provided around a bottom wall, wherein an outer surface of the bottom wall is formed flat, and an inner wall of the bottom wall has a vertically straight inner peripheral wall. A seedling raising box, wherein a large number of puddle depressions are arranged vertically and horizontally in a grid, and a seedling raising hole is formed between the depressions in the bottom wall so as to penetrate from the inner surface to the outer surface of the bottom wall. 3. A tray-like seedling raising box having a peripheral wall provided around a bottom wall, wherein an outer surface of the bottom wall is formed flat, and an annular or polygonal surrounding wall is vertically and horizontally formed on an inner surface of the bottom wall. A seedling raising box, wherein a plurality of seedlings are provided in a grid shape, and a seedling raising hole is provided in a bottom wall surrounded by the four surrounding walls to penetrate from the inner surface to the outer surface of the bottom wall.