JP6376372B2 - Turf curing cover - Google Patents

Turf curing cover Download PDF

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Publication number
JP6376372B2
JP6376372B2 JP2018021327A JP2018021327A JP6376372B2 JP 6376372 B2 JP6376372 B2 JP 6376372B2 JP 2018021327 A JP2018021327 A JP 2018021327A JP 2018021327 A JP2018021327 A JP 2018021327A JP 6376372 B2 JP6376372 B2 JP 6376372B2
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curing cover
formed
sliding member
surface
plate
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JP2018080579A (en
Inventor
池田 太郎
太郎 池田
柏木 俊幸
俊幸 柏木
俊 佐熊
俊 佐熊
則孝 押谷
則孝 押谷
山崎 大輔
大輔 山崎
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株式会社シミズオクト
株式会社環境経営総合研究所
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Description

  The present invention relates to a turf curing cover.

  As a lawn curing cover disposed so as to cover the lawn surface, for example, a cover described in Patent Document 1 below is known.

  Patent Document 1 includes a plate-like body and a rib that protrudes from a surface (back surface) facing the lawn surface of the plate-like body to form a leg portion, and the plate-like body and the rib are made of a plastic material. Has been disclosed.

  In addition, Patent Document 1 has a description of coating a rough surface on the surface of a plate-like body.

  However, the turf curing cover described above is easily deformed by thermal expansion. Therefore, due to the thermal expansion when heated by sunlight, etc., the space between the adjacent turf curing covers placed adjacent to each other is tightly pressed, and the turf curing cover swells at the contact position. There was an inconvenience that the turf curing cover alignment was disturbed.

  In addition, the surface becomes slippery when it rains, and in order to solve this problem, the above-described coating is not sufficient, and there is a disadvantage that it takes more time.

Japanese Patent No. 3071821

  The present invention has been made in view of such circumstances, and an object of the present invention is to provide a lawn curing cover that is not easily deformed by thermal expansion and can have a function of preventing slipping despite a simple configuration. There is.

  The present invention is grasped by the following composition.

(1) The turf curing cover of the present invention is a turf curing cover arranged so as to cover the lawn surface, and is formed by projecting from a plate-like body and a surface of the plate-like body facing the lawn surface. And the plate-like body and the rib are formed of a resin material, and the turf curing cover has a sliding member whose tip can protrude from the periphery of the turf curing cover, and a sliding groove portion to which the sliding member is attached. And an engaging groove that can engage the tip of the sliding member.

(2) In the configuration of the above (1), the engaging groove portion forms a convex portion on the ceiling surface, and the convex portion is the sliding member of the other turf curing cover disposed adjacently. The first projection formed on the upper surface of the tip of the first projection is locked.

(3) In the configuration of (1) or (2) above, the sliding groove portion forms a notch portion along the sliding direction of the sliding member on the side wall surface, and the notch portion is adjacent The second protrusions formed on both side surfaces of the rear end portion of the sliding member of the other turf curing cover disposed in this manner.

(4) In any one of the constitutions (1) to (3), the plate-like body has a slit, and the sliding member is formed on an upper surface so as to protrude from the slit, and the slit Has a knob movable along the axis.

  According to the turf curing cover described above, it is difficult to be deformed due to thermal expansion, and it is possible to provide an anti-slip function despite a simple configuration.

It is the top view which has arrange | positioned four turf curing covers of this invention adjacent to each other. It is the perspective view which showed one turf curing cover of this invention. It is the top view which showed the back surface of the turf curing cover of this invention. It is the perspective view which showed a part of back surface of the turf curing cover of this invention. (A), (b) is a figure explaining the position in which the through-hole of the turf curing cover of this invention is formed. (A) is sectional drawing which shows the effect | action of the through-hole of the turf curing cover of this invention, (b), (c) is sectional drawing which shows the other structural example of a through-hole. It is sectional drawing which shows the groove part to which a sliding member is attached among the joining members of the turf curing cover of this invention. It is a figure which shows the notch formed in the side wall surface of the said groove part. It is sectional drawing which shows an engaging groove part among the joining members of the turf curing cover of this invention. It is a top view of the manual member attached to the groove part of the turf curing cover of this invention. It is sectional drawing in the GG line of FIG. It is a back view of the joining member of each turf curing cover to be arrange | positioned adjacently. It is a figure corresponding to FIG. 12, and is a figure which shows that each turf curing cover is mutually joined by the front-end | tip part being engaged with an engaging groove part by sliding of a sliding member. It is sectional drawing in the HH line of FIG.

DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out the present invention (hereinafter referred to as embodiments) will be described in detail with reference to the accompanying drawings. Note that the same number is assigned to the same element throughout the description of the embodiment.
(Embodiment 1)
FIG. 1 is a plan view showing a turf curing cover of the present invention. The turf curing cover of the present invention is formed by, for example, injection molding and used by joining a plurality of turf curing covers adjacent to each other.

  In FIG. 1, among the plurality of turf curing covers 10 arranged so as to cover the lawn surface, four turf curing covers 10 are illustrated in a state of being joined to each other. For this reason, the part which protrudes from these four turf curing covers 10 is the lawn surface 20.

  Each turf curing cover 10 has a plate-like body 11 and, as will be described later, ribs (in FIG. 3) protruding from the plate-like body 11 on the surface (back surface) facing the lawn surface 20 of the plate-like body 11. The plate-like body 11 and the rib 12 are formed by integral molding of a resin material. The rib 12 has a function as a leg for placing the plate-like body 11 so as to float with respect to the lawn surface 20.

  Here, the resin material contains fine paper powder. The fine paper dust is indicated by reference numeral 13 in the enlarged view of the alternate long and short dash line frame P in FIG. The resin material includes, for example, at least polypropylene, and the fine paper powder 13 has an average particle diameter of 100 μm or less and is contained in a weight ratio of 20% or more with respect to the resin material.

  By containing the fine paper powder 13 in the resin material constituting the turf curing cover 10, it is possible to suppress the expansion of the turf curing cover 10 due to heat, and to prevent the surface from becoming slippery when it rains. It comes to have an effect.

  Each lawn curing cover 10 is provided with a joining member 30 on each of the four sides for joining with another lawn curing cover 10 disposed adjacent thereto. For example, two joining members 30 are provided on each side. As will be described in detail later, these joining members 30 are formed on one turf curing cover 10 side, a sliding member 30A whose tip can protrude from one side of the turf curing cover 10, and the other adjacent to the turf curing cover 10. An engaging groove 30B that is formed on the grass curing cover 10 side and engages the tip of the sliding member 30A. Thereby, the several lawn curing covers 10 can be arrange | positioned adjacent to each other in the state in which they were combined. In FIG. 1, each turf curing cover 10 has two sliding members 30 </ b> A on each of the adjacently arranged orthogonal sides, and two on each of the other adjacently arranged orthogonally arranged sides. The engaging groove portion 30B is provided. These joining members 30 will be described later in detail.

  Further, each turf curing cover 10 is provided with a plurality of through-holes 40 distributed almost evenly. This through hole 40 is a hole through which sunlight passes, and the lawn surface 20 below the turf curing cover 10 is irradiated through the through hole 40 with sunlight. In addition, this through-hole 40 also has an effect of preventing slipping of the surface of the turf curing cover 10.

  FIG. 2 is a perspective view showing one turf curing cover 10. In FIG. 2, a rib 12 </ b> A is formed around the turf curing cover 10, and this rib 12 </ b> A is a part of the rib 12 described above. Thereby, when the plurality of turf curing covers 10 are arranged adjacent to each other, the ribs 12A corresponding to the side wall surfaces of the respective turf curing covers 10 are arranged in surface contact with each other.

  FIG. 3 is a plan view showing a surface (hereinafter referred to as a back surface) facing the lawn surface 20 of the turf curing cover 10 shown in FIG. The ribs 12 formed on the back surface of the plate-like body 11 are constituted by the ribs 12A formed around the plate-like body 11 and, for example, lattice-like ribs 12B formed in a region surrounded by the ribs 12A. Has been. Thereby, the rib 12 is formed on the back surface of the plate-like body 11 so as to define an adjacent quadrangular (for example, square) region.

  Further, a plurality of joining members 30 for joining with other turf curing covers 10 are formed on the back surface of the turf curing cover 10, and sliding members 30A (not shown) are provided on the sides that are adjacently arranged at right angles. 1) and the other adjacent sides arranged orthogonally are formed with engaging groove portions 30B into which sliding members 30A of other turf curing covers protrude and engage. . The groove portion 30D and the engagement groove portion 30B are formed so as to extend orthogonally to the respective sides of the turf curing cover 10. Note that the lattice-like ribs 12B described above are formed so as to avoid the formation regions of the groove 30D and the engagement groove 30B.

  FIG. 4 is an enlarged perspective view showing a portion of the one-dot chain line frame A of FIG. As shown in FIG. 4, the rib 12 has a portion having a high height and a portion having a low height with respect to the plate-like body 11. That is, for example, the vicinity of the corner of the rib 12A around the plate-like body 11 (indicated by α in the figure) and the vicinity of every other T-shaped intersection of the lattice-like rib 12B (in the figure, β In the vicinity of every other cross-shaped intersection in the grid-like ribs (indicated by γ in the figure), the height is increased, and the others are formed to have a lower height. . By doing in this way, the contact area of the rib 12 with the lawn surface 20 is made small, and the part which damages the lawn surface 20 is made as small as possible.

  FIG. 5A is a view showing a position where the through hole 40 is formed in a quadrangular region (indicated by T in the drawing) defined by the rib 12. For example, four through holes 40 are formed in one quadrangular region T, and each through hole 40 is a region in the vicinity of each apex S of the quadrangular region T (in this specification, the first hole Is called a region). FIG. 5B is a diagram showing the first region of the quadrangular regions surrounded by the ribs 12, and the first region is formed from the apex S of the quadrangle to the quadrangular region. When the distance to the center O is X, it is an area within the range of a distance of X / 2 from the quadrangle vertex S (the hatched area in the figure). Each of the four through holes 40 is arranged and formed in a first region formed in the vicinity of each vertex S of the quadrangular region T surrounded by the ribs 12.

  In the case of FIGS. 5A and 5B, the through hole 40 is formed only in the first region in the rectangular region T defined by the rib 12. However, the present invention is not limited to this, and it may be formed in a region other than the first region. In this case, when the plurality of through holes 40 are formed in the quadrangular region T, the number of the through holes 40 in the first region is 70% or more among the plurality of through holes arranged in the quadrangular region. It is preferable to be formed in the ratio. Of course, it may be 80% or more, or 90% or more. Such a relationship is the same even if the region surrounded by the ribs 12 is not only a quadrangle but also a polygon.

  Each through-hole 40 formed in this way is formed close to the crossing portion of the rib 12 having a high mechanical strength of the plate-like body 11, so that the machine of the plate-like body 11 is formed by the formation of the through-hole 40. The fear of lowering the strength is lost. For this reason, when compared with the case where the through hole 40 is formed, for example, approximately in the center of the quadrangular region (corresponding to a portion having a low mechanical strength), the through hole 40 having a larger diameter can be formed. The effect of increasing the amount of sunlight guided to the lawn surface 20 through the through hole 40 is achieved.

  FIG. 6A is a cross-sectional view taken along the line CC in FIG. 5, and the light path through which the sunlight reaches the lawn surface 20 through the through hole 40 when the lawn curing cover 10 is disposed on the lawn surface 20. Is shown. Since the through-hole 40 is formed in the first region in the vicinity of the quadrangular apex S surrounded by the ribs 12B as described above, the light that is directly incident on the lawn surface through the through-hole 40. In addition to (indicated by the dotted arrow Q1 in the figure), light (indicated by the dotted arrow Q2 in the figure) that is reflected and diffused to the side surface 12S of the rib 12B disposed in the vicinity of the through hole 40 and reaches the lawn surface 20 is also obtained. It will exist greatly. For this reason, there is an effect of increasing the amount of sunlight reaching the lawn surface 20.

  6A, the through hole 40 has a small diameter D1 on the surface of the plate-like body 11 where the ribs 12B are not formed, and the rib 12B of the plate-like body 11 is formed. It has a large diameter D2 on the back surface, and is formed such that the increase in diameter is small from the front surface to the back surface, and the increase in diameter is large from the middle stage.

  By forming the through-hole 40 having such a cross-sectional shape, it is possible to suppress a decrease in mechanical strength on the surface of the plate-like body 11 and to increase the amount of sunlight irradiated on the lawn surface 20.

  From such a point of view, the cross-sectional shape of the through hole is, for example, as shown in FIG. 6B, the diameter is initially substantially equal from the front surface to the back surface of the plate-like body 11, and the diameter increases from the middle stage. You may make it form so that it may become large. Moreover, as shown in FIG.6 (c), by making the increase in the diameter of a through-hole into the same ratio from the surface to the back surface of the plate-shaped object 11, it has a small diameter on the surface and a large diameter on the back surface. You may make it form.

  FIG. 7 is a cross-sectional view taken along line DD in FIG. 8 is a cross-sectional view taken along line EE in FIG.

  FIG. 7 shows a groove 30D in which a sliding member 30A (see FIG. 10) (not shown) is attached among the joining members 30 that are intended to join with another turf curing cover 10 disposed adjacently. 30 A of sliding members are attached in this groove part 30D by arranging in the groove part 30D formed in the back surface of the turf curing cover 10, and then addressing the baseplate 30E. Further, as shown in FIG. 8, a notch portion 30F is formed along a sliding direction of a sliding member 30A (not shown) on a part of the side wall surfaces facing each other of the groove portion 30D. The notches 30F are in contact with protrusions (indicated by reference numeral 30G in FIG. 10) formed on both side surfaces of the rear end of the sliding member 30A when the sliding member 30A is disposed in the groove 30D. It has come to be. Thereby, the sliding member 30A can slide in the longitudinal direction of the groove 30D and can maintain a fixed position in the groove 30D.

  9 is a cross-sectional view taken along line FF in FIG. FIG. 9 shows an engagement groove 30B that locks the tip of the sliding member 30A of the other turf curing cover 10 among the joining members 30 that are intended to be joined to another turf curing cover 10 that is disposed adjacently. Show. A convex portion 30H is formed on the ceiling surface of the engaging groove 30B, and when the sliding member 30A of the other turf curing cover 10 is slid to the turf curing cover 10 side, the tip of the sliding member 30A. A protrusion (indicated by reference numeral 30I in FIG. 10) formed on the upper surface of the portion is locked so that the sliding member 30A is not easily slid rearward. That is, when the sliding member 30A is slid rearward, a predetermined force or more is required.

  FIG. 10 is a plan view of the sliding member 30A. FIG. 11 is a cross-sectional view taken along line GG in FIG. As described above, the sliding member 30A has protrusions 30G formed on both side surfaces of the rear end portion, and protrusions 30I formed on the upper surface of the tip end portion. The sliding member 30A has a protruding portion 30J formed on the upper surface of the substantially central portion thereof. The protruding portion 30J functions as a knob when sliding the sliding member 30A, and is a long hole formed in the plate-like body 11 when the sliding member 30A is disposed in the groove 30D (see FIG. 7). It protrudes from a slit (indicated by reference numeral 11S in FIGS. 12 and 13).

  Further, as shown in FIG. 11, the sliding member 30A is formed to be thin by forming a shape in which the upper surface is bent at the rear end portion, and protrudes from the lower surface side at the rear end of the thin portion 30K. A protrusion 30L is formed. When the protrusion 30L protrudes from the turf curing cover 10 at the tip of the sliding member 30A by a predetermined distance by sliding in the groove 30D (see FIG. 7) of the sliding member 30A, Abutting against a stopper 30P (see FIG. 14) formed as one end side of the bottom plate 30E, further sliding of the sliding member 30A is restricted.

  FIG. 12 is a back view of the joining member 30 of each turf curing cover 10 to be disposed adjacently. One turf curing cover 10 shows a sliding member 30A attached to the groove 30D, and the other turf curing cover 10 shows an engagement groove 30B. FIG. 13 is a view drawn corresponding to FIG. 12, and by sliding the sliding member 30 </ b> A, the tip portion thereof is engaged with the engaging groove portion 30 </ b> B, so that each turf curing cover 10 is mutually attached. It is a figure which shows having joined. FIG. 14 is a cross-sectional view taken along line HH in FIG.

  As shown in FIG. 12, the protrusion (knob) 30J of the sliding member 30A is at one end of the slit 11S of the plate-like body 11 (the center side of the plate-like body 11), so that the entire sliding member 30A is a groove 30D. The tip of the sliding member 30 </ b> A is not projected from the periphery of the plate-like body 11.

  Then, as shown in FIG. 13, the protrusion (knob) 30J of the sliding member 30A is moved to the other end of the slit 11S of the plate-like body 11 (the side of the plate-like body 11), so that the sliding member 30A is The tip of the sliding member 30A is slid so as to protrude from the periphery of the plate-like body 11, and the tip of the sliding member 30A is engaged with the engaging groove 30B of the other turf curing cover 10. Yes.

  In this case, as shown in FIG. 14, the protruding portion 30L of the sliding member 30A comes into contact with the stopper 30P, and further sliding is restricted. At this time, the protrusion 30I of the sliding member 30A is plate-shaped. Positioned beyond the convex portion 30H formed on the body 11, so that the sliding member 30A of one turf curing cover 10 can be prevented from being easily detached from the engaging groove 30B of the other turf curing cover 10. Become.

  According to the turf curing cover formed in this way, it is difficult to be deformed by thermal expansion, and it is possible to provide a sufficient anti-slip function despite a simple configuration.

(Embodiment 2)
In the first embodiment, the ribs 12B are formed in a lattice shape, and the region surrounded by the ribs is a quadrangle (for example, a square). However, the present invention is not limited to this, and the region surrounded by the ribs 12B may be other polygons such as a pentagon and a hexagon. In other words, the rib 12B only needs to be formed so as to define an adjacent polygonal region.

(Embodiment 3)
In the first embodiment, the through-hole 40 formed in the plate-like body 11 suppresses a decrease in mechanical strength on the surface of the plate-like body 11 and increases the amount of sunlight irradiated to the lawn surface 20. The positions to be formed are limited. However, when the through hole 40 is provided with a function of preventing slipping, it is needless to say that the formation position need not be limited as described above.

  As mentioned above, although this invention was demonstrated using embodiment, it cannot be overemphasized that the technical scope of this invention is not limited to the range as described in the said embodiment. It will be apparent to those skilled in the art that various modifications or improvements can be added to the above-described embodiments. Further, it is apparent from the description of the scope of claims that embodiments with such changes or improvements can also be included in the technical scope of the present invention.

10 Lawn Curing Cover 11 Plate-like Body 11S Slit 12A, 12B Rib 13 Fine Paper Powder 20 Lawn Surface 30 Joint Member 30A Sliding Member 30B Engaging Groove 30D Groove 30E Bottom Plate 30F Notch 30G Protrusion 30H Protrusion 30I Protrusion 30J Protrusion 30K Thin Part 30L protrusion 40 through hole

Claims (4)

  1. A turf curing cover placed over the lawn surface,
    A plate-like body having sides ;
    A rib formed to protrude from the surface of the plate-like body facing the lawn surface;
    The plate-like body and the rib are formed of a resin material,
    The turf curing cover has a joining member for joining with another turf curing cover arranged adjacently,
    The joining member is
    A sliding member whose tip can protrude toward the other grass curing cover before Kihen,
    A sliding groove for attaching the sliding member;
    Have a, an engaging groove engageable with the distal end of said other grass curing the cover sliding member,
    The turf curing cover , wherein the sliding member, the sliding groove portion, and the engaging groove portion are arranged orthogonally to the side and are formed on the back surface of the plate-like body .
  2. The engaging groove part forms a convex part on the ceiling surface,
    The said convex part is latched by the 1st processus | protrusion formed in the upper surface of the front-end | tip part in the said sliding member of the other said grass curing cover arrange | positioned adjacently. Grass curing cover.
  3. The sliding groove portion has a notch portion formed on the side wall surface along the sliding direction of the sliding member,
    The said notch part is contact | abutted to the 2nd processus | protrusion formed in the both sides | surfaces of the rear-end part in the said sliding member of the said other lawn curing cover arrange | positioned adjacently. The turf curing cover according to claim 2.
  4. The plate-like body has a slit,
    The said sliding member is formed in the upper surface so that it may protrude from the said slit, and has a knob which can move along the said slit, The Claim 1 characterized by the above-mentioned. Grass curing cover.
JP2018021327A 2018-02-08 2018-02-08 Turf curing cover Active JP6376372B2 (en)

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Application Number Priority Date Filing Date Title
JP2018021327A JP6376372B2 (en) 2018-02-08 2018-02-08 Turf curing cover

Related Parent Applications (1)

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JP2013220047 Division 2013-10-23

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JP6376372B2 true JP6376372B2 (en) 2018-08-22

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9004795D0 (en) * 1990-03-02 1990-04-25 Macleod Iain M Cover for grassed area
CA2706906A1 (en) * 2004-12-24 2006-08-03 Chang-Sub Son Grass protection mat and mat assembly
JP4491435B2 (en) * 2006-06-08 2010-06-30 アルインコ株式会社 Temporary floorboard connection structure
JP4639220B2 (en) * 2007-09-26 2011-02-23 アルインコ株式会社 Temporary floorboard connection structure

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