JP5735263B2 - Spacer - Google Patents

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JP5735263B2
JP5735263B2 JP2010255798A JP2010255798A JP5735263B2 JP 5735263 B2 JP5735263 B2 JP 5735263B2 JP 2010255798 A JP2010255798 A JP 2010255798A JP 2010255798 A JP2010255798 A JP 2010255798A JP 5735263 B2 JP5735263 B2 JP 5735263B2
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bent
connecting end
spacer
main body
bulging
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JP2012106752A (en
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荻原 岳彦
岳彦 荻原
博康 村上
博康 村上
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株式会社未来樹脂
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Description

本発明は、コンクリート製品をストックし、又は運搬するときなどにおいて、コンクリート製品の間に介装してコンクリート製品どうしの間隔を保持するスペーサに関する。   The present invention relates to a spacer that is interposed between concrete products to keep the interval between the concrete products when the concrete products are stocked or transported.

この種のスペーサは、例えば、下記特許文献1に開示されるように、板状をなし、両端は複数本のスペーサを連結できるように連結部となっている。一方の連結部は薄い板状体で、他方は該板状体が軸方向に挿入される中空部となっている。板状体の板面には係合凸部が、中空部には係合孔が形成され、板体を中空部に挿入すると係合凸部が係合孔に係合して連結部が抜け難くなる。   For example, as disclosed in Patent Document 1 below, this type of spacer has a plate shape, and both ends serve as connecting portions so that a plurality of spacers can be connected. One connecting portion is a thin plate-like body, and the other is a hollow portion into which the plate-like body is inserted in the axial direction. An engaging convex part is formed on the plate surface of the plate-like body, and an engaging hole is formed in the hollow part. When the plate body is inserted into the hollow part, the engaging convex part engages with the engaging hole and the connecting part comes off. It becomes difficult.

垂直方向に積み重ねたコンクリート製品の間に介装して使用する場合、スペーサは単なる板状でよいが、水平方向に並べたコンクリート製品の間に介装して使用する場合、スペーサの一端に軸線方向と直角方向に延びる係合部を設け、係合部をコンクリート製品の上面に引っ掛けてスペーサをコンクリート製品の間に介装することで、スペーサが落下するのが防止される。   When interposing between vertically stacked concrete products, the spacer may be a simple plate, but when interposing between concrete products arranged in the horizontal direction, the spacer is attached to an axis at one end of the spacer. An engagement portion extending in a direction perpendicular to the direction is provided, and the spacer is prevented from falling by hooking the engagement portion on the upper surface of the concrete product and interposing the spacer between the concrete products.

特許第3007028号公報Japanese Patent No. 3007028

前記特許文献1のスペーサは、垂直方向に積み重ねたコンクリート製品の間に介装して使用する場合は単なる板状のものを用い、水平方向に並べたコンクリート製品の間に介装して使用する場合は一端に係合部を有するものを用いるから、コンクリート製品の並べ方によって異なる2種類のものを用意しなければならなかった。   In the case of using the spacers of Patent Document 1 interposed between concrete products stacked in the vertical direction, simple spacers are used and used between concrete products arranged in the horizontal direction. In some cases, one having an engaging portion at one end is used, so two kinds of different ones have to be prepared depending on how the concrete products are arranged.

また、前記特許文献の連結部は、板状体を中空部内に軸方向に挿入するものであるから、係合凸部が係合孔に係合するとはいえ、引張力が作用すると連結部が抜けてしまうことがあった。   Moreover, since the connection part of the said patent document inserts a plate-shaped body into a hollow part in an axial direction, even if an engagement convex part engages with an engagement hole, if a tensile force acts, a connection part will be I sometimes missed out.

本発明は、一種類の形状で、垂直方向に積み重ねたコンクリート製品についても、水平方向に並べたコンクリート製品についても使用できるようにすること、また、連結部が抜け難いようにすることを課題とするものである。   It is an object of the present invention to make it possible to use a concrete product stacked in a vertical direction as well as a concrete product arranged in a horizontal direction in one kind of shape, and to make it difficult for the connecting portion to come off. To do.

本発明は、コンクリート製品間に介装されて該製品間隔を保持するスペーサであって、棒状の本体の一端側のA連結端と、他端側のB連結端が相互に連結・分離自在であり、
中間部に、直角に折り曲げ、折り曲げ状態を保持可能な折曲部を有し、
該折曲部が、肉厚が薄く形成されて折り曲げ可能な蝶番部と、該蝶番部を挟んだ両側に相互に90°の角度で対向して形成された斜面部を有し、
その一方の斜面部に凸部が、他方の斜面部に該凸部が嵌合可能な凹部が形成され、
前記蝶番部を折り曲げて双方の前記斜面部を接触させたときに前記凸部が前記凹部に嵌合し、前記折曲部が直角に折り曲げられた状態で保持され
前記本体が断面多角形又は円形の棒状をなし、前記本体よりも径が大きくなっている断面が略円形の第1膨出部及び断面が略矩形の第2膨出部が前記本体に間隔をあけて設けられ、
前記本体をコンクリート製品間に介装したときに前記第1膨出部及び前記第2膨出部がコンクリート製品の面に接触することを特徴とするスペーサである。
また、本発明において、前記第1膨出部は、断面が切込みを有する略円形であり、
前記第2膨出部は、断面が切込みを有する略矩形であってもよい。
また、本発明において、前記第1膨出部の前記切込みは、円形の中央部に設けられ、
前記第2膨出部の前記切込みは、矩形の中央部に設けられていいてもよい。
また、本発明において、前記第1膨出部の前記切込みと前記第2膨出部の前記切込みとは、前記本体の同一の側方側に設けられていてもよい。
また、本発明において、前記第1膨出部及び前記第2膨出部は、前記本体の軸線方向に交互に設けられていてもよい。
The present invention is a spacer that is interposed between concrete products to maintain the space between the products, and the A connecting end on one end side and the B connecting end on the other end side of the rod-shaped main body can be connected and separated from each other. Yes,
In the middle part, it has a bent part that can be bent at a right angle and hold the bent state,
The bent portion has a hinge portion that is formed with a thin wall thickness and can be bent, and slope portions that are formed opposite to each other at an angle of 90 ° on both sides of the hinge portion,
A convex part is formed on the one slope part, and a concave part is formed on the other slope part in which the convex part can be fitted,
When the hinge part is bent and both the slope parts are brought into contact with each other, the convex part is fitted into the concave part, and the bent part is held in a state of being bent at a right angle ,
The main body has a polygonal cross section or a circular bar shape, and a first bulging section having a substantially circular cross section and a second bulging section having a substantially rectangular cross section are spaced from the main body. Opened,
The spacer is characterized in that the first bulging portion and the second bulging portion come into contact with the surface of the concrete product when the main body is interposed between the concrete products .
Further, in the present invention, the first bulge portion is substantially circular with a cross section having a notch,
The second bulging portion may have a substantially rectangular cross section with a cut.
In the present invention, the cut of the first bulging portion is provided in a circular central portion,
The notch of the second bulging portion may be provided at a rectangular central portion.
In the present invention, the cut of the first bulge portion and the cut of the second bulge portion may be provided on the same side of the main body.
In the present invention, the first bulge portion and the second bulge portion may be provided alternately in the axial direction of the main body.

本発明のスペーサは、折曲部を有するので、垂直方向に積み重ねたコンクリート製品については、折曲部を折り曲げない状態で使用でき、水平方向に並べたコンクリート製品については折曲部を直角に折り曲げて使用できる。したがって、コンクリート製品の並べ方にかかわらず、1種類で対応することができる。   Since the spacer of the present invention has a bent portion, it can be used without folding the bent portion for a concrete product stacked in a vertical direction, and the bent portion is bent at a right angle for a concrete product arranged in a horizontal direction. Can be used. Therefore, one type can be used regardless of how the concrete products are arranged.

また、後述するように、複数本を折り曲げた状態や折り曲げない状態で連結することで、種々の大きさの四辺形等に形成でき、大型のコンクリート製品のスペーサとして用いるのに便利である。
本発明において、多角形とは3以上の角を保つ形状(三角形以上)で、好ましくは正多角形である。
従来の薄い板状本体に比べて、棒状で膨出部を間隔をあけて設けることでスペーサの原料を大幅に節約できる。
Further, as will be described later, by connecting a plurality of pieces in a bent state or in a non-bent state, it can be formed into quadrilaterals of various sizes and is convenient for use as a spacer for a large concrete product.
In the present invention, the polygon is a shape that maintains 3 or more corners (triangular or more), and is preferably a regular polygon.
Compared to the conventional thin plate-like main body, the raw material of the spacer can be greatly saved by providing the bulging portion in a bar shape with an interval.

また本発明において、前記A連結端が、前記本体の軸線と直角方向に突出する突起部と、該突起部の先端に形成され突起部の突出方向と直角方向に延びる細長い係止部を有し、
前記B連結端が、前記係止部が挿通可能な細長い係止孔を有し、
前記係止部を前記係止孔に挿通した後、A連結端とB連結端を相対的に回転させることで、前記係止部と係止孔の角度がずれてA連結端とB連結端が連結されてもよい
Further , in the present invention , the A connecting end has a protruding portion that protrudes in a direction perpendicular to the axis of the main body, and an elongated locking portion that is formed at the tip of the protruding portion and extends in a direction perpendicular to the protruding direction of the protruding portion. And
The B connecting end has an elongated locking hole into which the locking portion can be inserted,
After the locking portion is inserted into the locking hole, the A connecting end and the B connecting end are rotated relative to each other, so that the angles of the locking portion and the locking hole are shifted so that the A connecting end and the B connecting end. There may be connected.

AB連結端をこのように構成すると、連結部は、軸方向に差し込むものではないので、連結部に軸方向の引張力が作用しても、連結端が抜けることがない。   If the AB connecting end is configured in this way, the connecting portion is not inserted in the axial direction, and therefore the connecting end does not come out even if an axial tensile force acts on the connecting portion.

本発明のスペーサは、一種類の形状で、垂直方向に積み重ねたコンクリート製品についても、水平方向に並べたコンクリート製品についても使用することができる。
また、複数本を折り曲げた状態や折り曲げない状態で連結することで、種々の形状・大きさに組み合わせることができ、大型のコンクリート製品のスペーサとして用いるのに便利である。
The spacer of the present invention can be used for a concrete product stacked in a vertical direction as well as a concrete product arranged in a horizontal direction in one kind of shape.
Further, by connecting a plurality of pieces in a bent state or in a non-bent state, they can be combined in various shapes and sizes, and are convenient for use as a spacer for a large concrete product.

また、A連結端とB連結端を相対的に回転させ、係止部と係止孔の角度がずれてA連結端とB連結端が連結されるようにすると、連結部は、軸方向に差し込むものではないので、連結部に引張力が作用しても、連結端が抜けることがない。   Further, when the A connecting end and the B connecting end are relatively rotated so that the angles of the locking portion and the locking hole are shifted so that the A connecting end and the B connecting end are connected to each other, the connecting portion is Since it is not inserted, even if a tensile force acts on the connecting portion, the connecting end does not come off.

さらに、本発明のスペーサ本体は棒状で、間隔をあけて膨出部を形成することで、従来の薄い板状の本体に比べて、スペーサの原料を大幅に節約できる。 Moreover, the body of the spacer of the present invention is rod-shaped, by forming the bulge portion at intervals, as compared with the conventional thin plate-shaped body, it can save a lot of raw material of the spacer.

スペーサ1の略全体図である。1 is a schematic overall view of a spacer 1. スペーサ1の中間部を省略して示す側面図である。It is a side view which abbreviate | omits and shows the intermediate part of the spacer. スペーサ1の中間部を省略して示す正面図である。It is a front view which abbreviate | omits and shows the intermediate part of the spacer. 折曲部1の説明図である。It is explanatory drawing of the bending part. 折曲部1の折り曲げ状態の説明図である。It is explanatory drawing of the bending state of the bending part. A連結端の説明図である。It is explanatory drawing of A connection end. B連結端の説明図である。It is explanatory drawing of B connection end. AB連結端の連結状態の説明図である。It is explanatory drawing of the connection state of AB connection end. 膨出部5の説明図である。It is explanatory drawing of the bulging part. 膨出部6の説明図である。It is explanatory drawing of the bulging part. スペーサ1の使用状態の説明図である。It is explanatory drawing of the use condition of the spacer. スペーサ1の使用状態の説明図である。It is explanatory drawing of the use condition of the spacer. スペーサ1の使用状態の説明図である。It is explanatory drawing of the use condition of the spacer. スペーサ1の使用状態の説明図である。It is explanatory drawing of the use condition of the spacer.

以下、実施例を表した図面に基づいて、本発明を詳細に説明する。
実施例のスペーサ1はプラスチック製で、図1に示すように、棒状の本体1aの一端側にA連結端3aが、他端側にB連結端3bを有し、中間部に2カ所折曲部2を有する。また、スペーサの本体1aには、間隔をあけて複数の膨出部5,6が設けられている。図9,10に示すように、本体1aの断面形状は正方形である。
Hereinafter, the present invention will be described in detail with reference to the drawings showing examples.
The spacer 1 of the embodiment is made of plastic, and as shown in FIG. 1, the rod-shaped main body 1a has an A connecting end 3a on one end side, a B connecting end 3b on the other end side, and two bent portions at an intermediate portion. Part 2. The spacer main body 1a is provided with a plurality of bulging portions 5 and 6 at intervals. As shown in FIGS. 9 and 10, the main body 1a has a square cross-sectional shape.

折曲部2は、図4に示すように、板状をなし、中央部に、本体1aの軸線と直角方向に延びる蝶番部21が形成されている。蝶番部21は、肉厚が薄いため折り曲げ自在となっている。蝶番部21を挟んだ両側に、相互に90°の角度で対向して形成された斜面部22,23を有する。斜面部22には凸部24が突出形成され、斜面部23には凸部24が嵌合可能な凹部25が形成されている。 As shown in FIG. 4, the bent portion 2 has a plate shape, and a hinge portion 21 extending in a direction perpendicular to the axis of the main body 1a is formed at the center. The hinge part 21 can be bent because it is thin. On both sides of the hinge 21, slopes 22 and 23 are formed opposite to each other at an angle of 90 °. A convex portion 24 is formed to protrude from the slope portion 22, and a concave portion 25 into which the convex portion 24 can be fitted is formed in the slope portion 23.

図5に示すように、蝶番部21を90°折り曲げて双方の斜面部22,23を接触させたときに、凸部24が凹部25に嵌合し、折曲部2が直角に折り曲げられた状態で保持される。   As shown in FIG. 5, when the hinge portion 21 is bent 90 ° and both slope portions 22 and 23 are brought into contact with each other, the convex portion 24 is fitted into the concave portion 25, and the bent portion 2 is bent at a right angle. Held in a state.

A連結端3aは、板状部31が本体1aの軸線と偏芯した状態で形成され、その板面から本体1aの軸線と直角方向(板面と直角方向)に突起部32が突出形成されている。突起部32の先端には、突起部32の突出方向と直角方向に延びる細長い係止部33が形成されている。穴34,35は、プラスチック材料の節約と成形の便宜上設けられているものである。 A connecting end 3a is a plate-like portion 31 is formed in a state where the axis and eccentricity of the body 1a, the protrusion 32 is protruded in the axial perpendicular direction of the main body 1a from the plate surface (plate surface perpendicular direction) ing. An elongated locking portion 33 extending in a direction perpendicular to the protruding direction of the protruding portion 32 is formed at the tip of the protruding portion 32. The holes 34 and 35 are provided for the convenience of plastic material saving and molding.

B連結端3bは、板状部36を有し、該板状部36には前記係止部33が挿通可能な細長い係止孔37が形成されている。また、該板状部の係止孔37を挟んだ両側に突起38が2個ずつ、合計4個設けられている。突起38は、図8の下段に示すようにAB連結端を連結したときに、突起38の間に係止部33が位置決めされるようにするためのものである。   The B connection end 3 b has a plate-like portion 36, and an elongated locking hole 37 into which the locking portion 33 can be inserted is formed in the plate-like portion 36. Further, two protrusions 38 are provided on both sides of the plate-like portion with the locking holes 37 therebetween, for a total of four. The protrusion 38 is for positioning the locking portion 33 between the protrusions 38 when the AB connecting ends are connected as shown in the lower part of FIG.

次に、AB連結端3a,3bを連結する手順を説明する。
先ず、図8の上段に示すように、A連結端3aの係止部33とB連結端3bの係止孔37の方向を合わせた状態(各連結端の軸線が直角の状態)でAB連結端3a,3bを重ね合わせる。次に、図8の中段に示すように、B連結端3bを図紙面の裏面方向に押し下げて係止部33を係止孔37の表側に通過させる。次に、B連結端3bを90°回転させてAB連結端3a,3bの軸線を合わせると、図8の下段に示すように連結が完了する。連結部を分離するのは、この逆の手順を実行すればよい。
Next, a procedure for connecting the AB connecting ends 3a and 3b will be described.
First, as shown in the upper part of FIG. 8, the AB connection is performed in the state in which the direction of the locking portion 33 of the A connecting end 3a and the locking hole 37 of the B connecting end 3b are aligned (the axis of each connecting end is a right angle). The ends 3a and 3b are overlapped. Next, as shown in the middle part of FIG. 8, the B connecting end 3 b is pushed down in the direction of the back side of the drawing sheet so that the locking part 33 passes through the front side of the locking hole 37. Next, when the B connecting end 3b is rotated by 90 ° and the axes of the AB connecting ends 3a and 3b are aligned, the connection is completed as shown in the lower part of FIG. The reverse procedure may be performed to separate the connecting portion.

スペーサの本体1aには、本体よりも径が大きくなっている膨出部5(第1膨出部)膨出部(第2膨出部)が間隔をあけて設けられている。膨出部5,6は、スペーサ1をコンクリート製品の間に介装したときにコンクリート製品の面に接触するものである。図9に示すように、膨出部5は、円形の中央部を切り込んだ形状になっている。図10に示すように、膨出部6は、正方形の中央を切り込んだ形状になっている。なお、このような切り込みは必ずしも必要ではない。膨出部5は円形であるため、コンクリート製品との接触面積がきわめて小さく、したがって製品面の変色面積もきわめて小さくなる。膨出部6は正方形であるので、強度が膨出部5よりも大きい。本実施例では、膨出部5,6を組み合わせて、製品面の変色防止とスペーサ強度のバランスをとっている。 The main body 1a of the spacer 1 is provided with a bulging portion 5 (first bulging portion) and a bulging portion 6 (second bulging portion) having a diameter larger than that of the main body with a space therebetween. The bulging portions 5 and 6 are in contact with the surface of the concrete product when the spacer 1 is interposed between the concrete products. As shown in FIG. 9, the bulging portion 5 has a shape obtained by cutting a circular central portion. As shown in FIG. 10, the bulging portion 6 has a shape in which the center of a square is cut. Such a cut is not necessarily required. Since the bulging portion 5 is circular, the contact area with the concrete product is extremely small, and therefore the discoloration area of the product surface is also extremely small. Since the bulging portion 6 is square, the strength is greater than that of the bulging portion 5. In this embodiment, the bulging portions 5 and 6 are combined to prevent the product surface from being discolored and balance the spacer strength.

図11は、スペーサ1を、水平方向に並べたコンクリート製品について使用した場合の例で、スペーサ1は1カ所の折曲部2で折り曲げてL形にし、その短辺をコンクリート製品7の上面に引っ掛けて使用している。   FIG. 11 shows an example in which the spacer 1 is used for a concrete product arranged in a horizontal direction. The spacer 1 is bent at one bent portion 2 into an L shape, and its short side is on the upper surface of the concrete product 7. It is used by hooking.

図12,13は、スペーサ1を、垂直方向に積み重ねたコンクリート製品7について、折曲部2を折り曲げない状態で使用する例である。図12に示すように、コンクリート製品7の上にスペーサ1を2本平行に並べ、図13に示すように、順次コンクリート製品7を積み重ねていく。   12 and 13 are examples in which the bent portion 2 is used in a state in which the spacer 1 is not bent, with respect to the concrete product 7 stacked in the vertical direction. As shown in FIG. 12, two spacers 1 are arranged in parallel on the concrete product 7, and the concrete products 7 are sequentially stacked as shown in FIG.

図14は、やや大型のコンクリート製品7を垂直方向に積み重ねる場合の例である。スペーサ1は、1カ所の折曲部2で折り曲げてL形にし、それを4本連結して正方形に組み立てている。正方形に組み立てたスペーサをコンクリート製品7の上に置き、順次コンクリート製品7を積み重ねていく。
連結するスペーサの数を増やすことで、さらに大きな正方形や長方形に組み立てることもできる。
FIG. 14 shows an example in which slightly large concrete products 7 are stacked in the vertical direction. The spacer 1 is bent at one bent portion 2 into an L shape, and four of them are connected to assemble a square. The spacer 1 assembled into a square is placed on the concrete product 7, and the concrete products 7 are sequentially stacked.
By increasing the number of spacers 1 to be connected, it can be assembled into a larger square or rectangle.

1 スペーサ
1a 本体
2 折曲部
21 蝶番部
22 斜面部
23 斜面部
24 凸部
25 凹部
3 連結部
3a A連結端
3b B連結端
31 板状部
32 突起部
33 係止部
34 穴
35 穴
36 板状部
37 係止孔
38 突起
4 本体
5 膨出部(第1膨出部)
6 膨出部(第2膨出部)
7 コンクリート製品
DESCRIPTION OF SYMBOLS 1 Spacer 1a Main body 2 Bending part 21 Hinge part 22 Slope part 23 Slope part 24 Projection part 25 Concave part 3 Connection part 3a A connection end 3b B connection end 31 Plate-like part 32 Projection part 33 Locking part 34 Hole 35 Hole 36 Plate Shaped part 37 Locking hole 38 Protrusion 4 Body 5 Swelled part (first swelled part)
6 bulge (second bulge)
7 Concrete products

Claims (6)

コンクリート製品間に介装されて該製品間隔を保持するスペーサであって、
棒状の本体の一端側のA連結端と、他端側のB連結端が相互に連結・分離自在であり、
中間部に、直角に折り曲げ、折り曲げ状態を保持可能な折曲部を有し、
該折曲部が、肉厚が薄く形成されて折り曲げ可能な蝶番部と、該蝶番部を挟んだ両側に相互に90°の角度で対向して形成された斜面部を有し、
その一方の斜面部に凸部が、他方の斜面部に該凸部が嵌合可能な凹部が形成され、
前記蝶番部を折り曲げて双方の前記斜面部を接触させたときに前記凸部が前記凹部に嵌合し、前記折曲部が直角に折り曲げられた状態で保持され、
前記本体が断面多角形又は円形の棒状をなし、前記本体よりも径が大きくなっている断面が略円形の第1膨出部及び断面が略矩形の第2膨出部が前記本体に間隔をあけて設けられ、
前記本体をコンクリート製品間に介装したときに前記第1膨出部及び前記第2膨出部がコンクリート製品の面に接触することを特徴とするスペーサ。
A spacer interposed between concrete products to maintain the product interval,
The A connecting end on one end side of the rod-shaped main body and the B connecting end on the other end side can be connected and separated from each other.
In the middle part, it has a bent part that can be bent at a right angle and hold the bent state,
The bent portion has a hinge portion that is formed with a thin wall thickness and can be bent, and slope portions that are formed opposite to each other at an angle of 90 ° on both sides of the hinge portion,
A convex part is formed on the one slope part, and a concave part is formed on the other slope part in which the convex part can be fitted,
When the hinge part is bent and both the slope parts are brought into contact with each other, the convex part is fitted into the concave part, and the bent part is held in a state of being bent at a right angle,
The main body has a polygonal cross section or a circular bar shape, and a first bulging section having a substantially circular cross section and a second bulging section having a substantially rectangular cross section are spaced from the main body. Opened,
The spacer, wherein the first bulge and the second bulge are in contact with the surface of the concrete product when the main body is interposed between the concrete products.
前記第1膨出部は、断面が切込みを有する略円形であり、
前記第2膨出部は、断面が切込みを有する略矩形であることを特徴とする請求項1に記載のスペーサ。
The first bulging portion is substantially circular with a cross section having a cut,
The spacer according to claim 1, wherein the second bulging portion has a substantially rectangular cross section.
前記第1膨出部の前記切込みは、円形の中央部に設けられ、
前記第2膨出部の前記切込みは、矩形の中央部に設けられていることを特徴とする請求項2に記載のスペーサ。
The notch of the first bulging portion is provided in a circular central portion;
The spacer according to claim 2, wherein the cut of the second bulging portion is provided in a central portion of a rectangle.
前記第1膨出部の前記切込みと前記第2膨出部の前記切込みとは、前記本体の同一の側方側に設けられていることを特徴とする請求項3に記載のスペーサ。 Wherein A said notches and said notches of said second bulging portion of the first bulging portion, the spacer of claim 3, characterized in that provided on the same side end of the body. 前記第1膨出部及び前記第2膨出部は、前記本体の軸線方向に交互に設けられている請求項1ないし4のいずれか1項に記載のスペーサ。 The spacer according to any one of claims 1 to 4, wherein the first bulging portion and the second bulging portion are alternately provided in the axial direction of the main body. 前記A連結端が、前記本体の軸線と直角方向に突出する突起部と、該突起部の先端に形成され突起部の突出方向と直角方向に延びる細長い係止部を有し、
前記B連結端が、前記係止部が挿通可能な細長い係止孔を有し、
前記係止部を前記係止孔に挿通した後、A連結端とB連結端を相対的に回転させることで、前記係止部と係止孔の角度がずれてA連結端とB連結端が連結される請求項1ないし5のいずれか1項に記載のスペーサ。
The A connecting end has a protrusion protruding in a direction perpendicular to the axis of the main body, and an elongated locking portion formed at the tip of the protrusion and extending in a direction perpendicular to the protrusion direction of the protrusion;
The B connecting end has an elongated locking hole into which the locking portion can be inserted,
After the locking portion is inserted into the locking hole, the A connecting end and the B connecting end are rotated relative to each other, so that the angles of the locking portion and the locking hole are shifted so that the A connecting end and the B connecting end. The spacer according to any one of claims 1 to 5, wherein the spacers are connected.
JP2010255798A 2010-11-16 2010-11-16 Spacer Active JP5735263B2 (en)

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JP3450501B2 (en) * 1995-03-07 2003-09-29 アペックス株式会社 Spacer for concrete product stock and method of manufacturing the same
JP4496141B2 (en) * 2005-06-30 2010-07-07 株式会社日栄商事 Spacer connection structure
JP4473812B2 (en) * 2005-12-09 2010-06-02 東興産業株式会社 Guard member for preventing breakage of concrete products
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