JP5789848B2 - 鏝 Used for discontinuous or groove forming construction - Google Patents
鏝 Used for discontinuous or groove forming construction Download PDFInfo
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- JP5789848B2 JP5789848B2 JP2013031963A JP2013031963A JP5789848B2 JP 5789848 B2 JP5789848 B2 JP 5789848B2 JP 2013031963 A JP2013031963 A JP 2013031963A JP 2013031963 A JP2013031963 A JP 2013031963A JP 5789848 B2 JP5789848 B2 JP 5789848B2
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Description
本発明はコンクリート面に生じるひび割れの未然防止や、ひび割れが伸長するのを防止するために、予め、土間コンクリートや壁面コンクリートに行う不連続部または溝の形成施工に用いる鏝に関するものである。 TECHNICAL FIELD The present invention relates to a ridge used in advance for forming and forming a discontinuous portion or a groove in soil concrete or wall concrete in order to prevent cracks occurring on a concrete surface and prevent cracks from extending.
コンクリート面に生じるひび割れの未然防止や、ひび割れが伸長するのを防止するために、以下の技術がある。
例えば、コンクリートの収縮低減剤を型枠の表面に塗布し、その後に塗布面に接してコンクリートを打設して行う工法がある（特許文献１参照）。
他には、コンクリートに不連続面または溝を形成する部分へ型枠に代えて自然分解性躯体を配置し、打設したコンクリートに不連続部または底部が連続している凹状の溝を形成し、前記自然分解性躯体が自然に分解するようにした工法もある（特許文献２参照）。
一方、コンクリート面の形成に使用する鏝には、以下の技術がある。
例えば、剛性の異なる鏝板を使用することでコンクリートの硬度に応じて、1本の鏝でも平面に仕上げるものがある（特許文献３参照）。
In order to prevent cracks occurring on the concrete surface and to prevent the cracks from extending, there are the following techniques.
For example, there is a construction method in which a concrete shrinkage reducing agent is applied to the surface of a mold, and then the concrete is placed in contact with the application surface (see Patent Document 1).
In addition, a natural degradable frame is placed in place of the formwork on the part where the discontinuous surface or groove is formed in the concrete, and a concave groove with a continuous discontinuity or bottom is formed in the cast concrete. There is also a construction method in which the natural degradable casing is naturally decomposed (see Patent Document 2).
On the other hand, there are the following techniques for the ridge used for forming the concrete surface.
For example, there is a case where even a single wrinkle is finished into a flat surface by using a wrinkle plate having different rigidity according to the hardness of the concrete (see Patent Document 3).
前記特許文献１に記載の工法は型枠の組み立て及び取り外しが必要となるため、作業性及びコストの問題がある。
この問題を解決するために、本発明の発明者は前記特許文献２に記載の工法を開発した。この工法によれば特許文献１のような型枠の組み立ては必要なく、かつ躯体は自然分解性素材であるから取り除く必要もない。よって作業性向上及びコスト低減がはかれる。
躯体は上下方向を複数の層構造とし、設置後にコンクリートを打設し、数日後に上部の層を剥離して植栽穴に植物を植える。よって美観を備えた不連続面または溝の形成が出来る。
また躯体を曲線形状とすることにより、デザイン性に優れた不連続面または溝を形成することも出来る。
しかし、この工法で効率的に不連続面または溝を形成するには、打設したコンクリートの縁を面取りする必要がある。これは、打設したコンクリートの縁の形状が直線でなく波型等になり躯体の縁を覆うこと、打設したコンクリートの水分により躯体が膨張するため躯体の上部の層を剥離しやすくする必要があるからである。
これを解決するには、躯体の縁に沿って動かすことで、コンクリートの縁を面取り出来る鏝のような道具があればよい。
ところが、前記特許文献３に記載の鏝では、コンクリートを平面に仕上げることは出来ても、躯体の縁に接しているコンクリートの縁を面取り出来ない。
以上から、躯体の縁に接するコンクリートの縁を面取り出来る鏝を提供することが課題である。
The construction method described in Patent Document 1 requires workability and cost because it requires assembly and removal of the formwork.
In order to solve this problem, the inventor of the present invention has developed a construction method described in Patent Document 2. According to this construction method, there is no need to assemble the mold as in Patent Document 1, and it is not necessary to remove the casing because it is a naturally degradable material. Therefore, workability improvement and cost reduction can be achieved.
The frame has a plurality of layers in the vertical direction. After installation, concrete is cast, and after a few days, the upper layer is peeled off and plants are planted in the planting holes. Therefore, a discontinuous surface or groove having a beautiful appearance can be formed.
Further, by forming the casing in a curved shape, it is possible to form a discontinuous surface or a groove excellent in design.
However, in order to efficiently form discontinuous surfaces or grooves by this method, it is necessary to chamfer the edges of the placed concrete. This is because the shape of the edge of the placed concrete is not a straight line but is corrugated and covers the edge of the case, and the upper part of the case needs to be easily peeled off because the case expands due to the moisture of the placed concrete. Because there is.
To solve this, it is necessary to have a tool like a pot that can chamfer the edge of concrete by moving it along the edge of the box.
However, in the cage described in Patent Document 3, although the concrete can be finished to a flat surface, the edge of the concrete in contact with the edge of the housing cannot be chamfered.
From the above, it is an object to provide a ridge that can chamfer the edge of the concrete in contact with the edge of the skeleton.
前記課題を解決するために、本発明に係る鏝は以下の８つの手段を有する。 In order to solve the above problems, the bag according to the present invention has the following eight means.
１つ目は、鏝板と柄から構成される鏝において、鏝板の使用面の長手方向に、使用面に垂直な面と前記垂直な面から使用面に角度を有した斜面を持つ断面略三角柱形状の面取り部を、垂直な面が向き合うように２個設けたことを特徴とする。 The first is a cross section having a surface perpendicular to the use surface and an inclined surface having an angle from the perpendicular surface to the use surface in the longitudinal direction of the use surface of the plate in the reed composed of the reed plate and the handle. Two triangular chamfered chamfered portions are provided so that vertical surfaces face each other.
２つ目は、２個の面取り部を、使用面に平行に設けたことを特徴とする。 The second is characterized in that two chamfered portions are provided in parallel to the use surface.
３つ目は面取り部の垂直な面と斜面の交点から鏝板の使用面の長手方向に角度を有した斜面を追加したことを特徴とする。 The third feature is that an inclined surface having an angle in the longitudinal direction of the use surface of the plate is added from the intersection of the vertical surface of the chamfered portion and the inclined surface.
４つ目は、鏝板に設けた水平方向の長孔を介して、少なくとも１個の面取り部を設けたことを特徴とする。 The fourth feature is that at least one chamfered portion is provided through a horizontal slot provided in the plate.
５つ目は、面取り対象物への軌跡が曲線となるように、少なくとも１個の面取り部の長手方向の長さを短くしたことを特徴とする。 The fifth feature is that the length in the longitudinal direction of at least one chamfered portion is shortened so that the locus to the chamfered object is a curve.
６つ目は、面取り対象物への軌跡が曲線となるように、２個の面取り部の向き合う垂直な面を湾曲させてなることを特徴とする。 The sixth is characterized in that the vertical surfaces of the two chamfered portions are curved so that the locus to the chamfered object is a curve.
７つ目は、少なくとも１個の鏝に対して回動自在な連結部材で２個の鏝を鏝板の使用面の長手方向に連結し、前方の鏝の背面を正面方向に又は後方の鏝の正面を背面方向に面取りしたことを特徴とする。 The seventh is a connecting member that is rotatable with respect to at least one scissors, and connects the two scissors in the longitudinal direction of the working surface of the scissors plate, and the rear surface of the front scissors in the front direction or the rear scissors It is characterized in that the front of the chamfer is chamfered in the back direction.
８つ目は面取り部が弾性体であることを特徴とする。 The eighth is characterized in that the chamfered portion is an elastic body.
前記１つ目の手段により、鏝を躯体の縁に沿って鏝板の使用面の長手方向に動かすことで、躯体の縁に接しているコンクリートの縁を、鏝の面取り部の使用面に向けた斜面の有した角度で面取り出来る。 By the first means, the concrete edge in contact with the edge of the frame is directed to the use surface of the chamfered portion of the wall by moving the wall along the edge of the frame in the longitudinal direction of the use surface of the frame. It can be chamfered at the angle of the slope.
前記２つ目の手段により、鏝の柄を握った手を躯体と平行に動かして面取り出来るため、手首や肘の負担を少なく出来る。 By the second means, the hand holding the handle of the heel can be chamfered by moving it parallel to the skeleton, so the burden on the wrist and elbow can be reduced.
前記３つ目の手段により、躯体の縁に接しているコンクリートの縁へ最初に、鏝の面取り部の鏝板の使用面の長手方向に角度を有した斜面を当てることで、少ない力で面取り出来る。 By the third means, the chamfering is performed with a small force by first applying a slope having an angle in the longitudinal direction of the use surface of the plate of the chamfered portion to the edge of the concrete in contact with the edge of the frame. I can do it.
前記４つ目の手段により、躯体の幅に応じて面取り出来る。 The fourth means can be chamfered according to the width of the housing.
前記５つ目の手段により、躯体が曲線形状でも使用面に垂直な面を躯体の縁に沿って鏝を動かせるため面取り出来る。 By the fifth means, even if the housing is curved, a surface perpendicular to the surface to be used can be chamfered so that the housing can be moved along the edge of the housing.
前記６つ目の手段により、躯体が曲線形状でも使用面に垂直な面を躯体の縁に沿って鏝を動かせるため面取り出来る。 According to the sixth means, even if the housing is curved, a surface perpendicular to the use surface can be chamfered so that the housing can be moved along the edge of the housing.
前記７つ目の手段により、前方または後方の鏝が回動し、かつ回動を妨げないように前方と後方の鏝のそれぞれが面取りされているため、躯体が曲線形状でも面取り出来る。 By the seventh means, the front or rear ridge is rotated and each of the front and rear ridges is chamfered so as not to prevent the rotation, so that the casing can be chamfered even in a curved shape.
前記８つ目の手段により、躯体が曲線形状でも面取り出来る。 The eighth means can be chamfered even if the housing is curved.
以下、本発明に係る鏝を図面により説明する。
なお、本記載は特許請求の範囲を説明した例であり、特許請求範囲を本記載に限定することを意味するものではない。
Hereinafter, the bag according to the present invention will be described with reference to the drawings.
In addition, this description is an example explaining the scope of claims and does not mean that the scope of claims is limited to this description.
本発明に係る鏝の実施形態を図１から４により説明する。
図１は本発明に係る鏝の実施形態を表す正面図、図２は本発明に係る鏝の実施形態を表す平面図、図３は本発明に係る鏝の実施形態を表す左側面図、図４は本発明に係る鏝の実施形態を表す底面図である。鏝１は図１から３に示すように柄２と鏝板３から構成している。鏝板３は図１、３、４に示すように面取り部４を設けている。
面取り部４は図１、４に示すように、鏝板３の使用面３Ａの長手方向Ｙに、使用面に垂直な面４Ａと、この面から使用面３Ａに角度を有した、使用面に角度を有した斜面４Ｂを設けている。図１に示すように、使用面に角度を有した斜面４Ｂは使用面３Ａに角度を有しているため、面取り部４の使用面の垂直方向Ｚの断面形状は略三角形となり、よって面取り部４は断面略三角柱形状である。
鏝１は図１、４に示すように、２個の面取り部４を、使用面に垂直な面４Ａが向き合うように設けている。
本発明に係る鏝の１つ目の解決手段はこれらの構成としたことである。これにより図示していないが、柄２を握って鏝１を躯体の縁に沿って使用面の長手方向Ｙに動かすことで、躯体の縁に接しているコンクリートの縁を、使用面に角度を有した斜面４Ｂの角度で面取り出来る。
なお面取り部４は図１から４に示すように、取り付け部材５及び長孔６を用いて鏝板３に取り付ける。面取り部４の使用面３Ａと接する側にも孔を設けて、蝶ネジで取り付けたことを表している。図示していないが蝶ボルトとナットで取り付けてもかまわない。当然一般的なネジ、またはボルトとナットでもかまわない。
また１個の面取り部４に対して２組の取り付け部材５及び長孔６を用いているが、１組または３組以上を用いてもかまわない。
An embodiment of a bag according to the present invention will be described with reference to FIGS.
FIG. 1 is a front view illustrating an embodiment of the bag according to the present invention, FIG. 2 is a plan view illustrating the embodiment of the bag according to the present invention, and FIG. 3 is a left side view illustrating the embodiment of the bag according to the present invention. 4 is a bottom view showing an embodiment of a bag according to the present invention. As shown in FIGS. 1 to 3, the heel 1 includes a handle 2 and a heel plate 3. The gutter plate 3 is provided with a chamfered portion 4 as shown in FIGS.
As shown in FIGS. 1 and 4, the chamfered portion 4 has a surface 4 </ b> A perpendicular to the use surface in the longitudinal direction Y of the use surface 3 </ b> A of the base plate 3, and a use surface having an angle from this surface to the use surface 3 </ b> A. An inclined surface 4B having an angle is provided. As shown in FIG. 1, since the inclined surface 4B having an angle on the use surface has an angle on the use surface 3A, the cross-sectional shape in the vertical direction Z of the use surface of the chamfered portion 4 is substantially triangular. 4 has a substantially triangular prism shape in cross section.
As shown in FIGS. 1 and 4, the ridge 1 is provided with two chamfered portions 4 such that a surface 4 </ b> A perpendicular to the use surface faces.
The first solving means of the bag according to the present invention is such a configuration. Although not shown in figure, the handle | steel_grip 1 is moved in the longitudinal direction Y of a use surface along the edge of a housing | casing by gripping the handle | steering_wheel 2, and the angle of the concrete edge which contact | connected the edge of a housing | casing is made an angle to a use surface. It can be chamfered at the angle of the slope 4B.
The chamfered portion 4 is attached to the gutter plate 3 using an attaching member 5 and a long hole 6 as shown in FIGS. A hole is also provided on the side of the chamfered portion 4 that is in contact with the use surface 3A, and it is attached with a thumbscrew. Although not shown, it may be attached with a wing bolt and a nut. Of course, general screws or bolts and nuts may be used.
Further, although two sets of attachment members 5 and long holes 6 are used for one chamfered portion 4, one set or three or more sets may be used.
本発明に係る鏝の２つ目の解決手段は、図１、４に示すように２個の面取り部４を、更に使用面３Ａに平行に設けたことである。これにより柄２を握った手を躯体と平行に動かして面取り出来るため、手首や肘の負担を少なく出来る。 The second means for solving the defects of the scissors according to the present invention is that two chamfered portions 4 are further provided in parallel with the use surface 3A as shown in FIGS. As a result, the hand holding the handle 2 can be chamfered by moving it parallel to the case, so the burden on the wrist and elbow can be reduced.
本発明に係る鏝の別の実施形態を図５、６により説明する。
図５は本発明に係る鏝の別の実施形態を表す正面図、図６は本発明に係る鏝の別の実施形態を表す左側面図である。
面取り部４は図５、６に示すように、使用面に垂直な面４Ａと使用面に角度を有した斜面４Ｂの交点から、使用面の長手方向Ｙに角度を有した、使用面の長手方向に角度を有した斜面４Ｃを設けている。
本発明に係る鏝の３つ目の解決手段はこの構成としたことである。これにより図示していないが、躯体の縁に接しているコンクリートの縁へ最初に、使用面の長手方向に角度を有した斜面４Ｃを当てることで、少ない力で面取り出来る。
Another embodiment of the bag according to the present invention will be described with reference to FIGS.
FIG. 5 is a front view showing another embodiment of the bag according to the present invention, and FIG. 6 is a left side view showing another embodiment of the bag according to the present invention.
As shown in FIGS. 5 and 6, the chamfered portion 4 has a length of the use surface having an angle in the longitudinal direction Y of the use surface from the intersection of the surface 4 </ b> A perpendicular to the use surface and the inclined surface 4 </ b> B having an angle with the use surface. A slope 4C having an angle in the direction is provided.
The third solving means of the bag according to the present invention is this configuration. Although not shown in figure, it is possible to chamfer with a small force by first applying the inclined surface 4C having an angle in the longitudinal direction of the use surface to the edge of the concrete in contact with the edge of the frame.
本発明に係る鏝の４つ目の解決手段は図２、４に示すように、使用面の水平方向Ｘに長い長孔６を設けたことである。これにより躯体の幅に応じて面取り出来る。
なお図示していないが図５、６に示した別の実施形態でも長孔６とすることは出来る。
As shown in FIGS. 2 and 4, the fourth means for solving the problem of the wrinkles according to the present invention is that long elongated holes 6 are provided in the horizontal direction X of the use surface. This allows chamfering according to the width of the housing.
Although not shown, the long hole 6 can be formed in another embodiment shown in FIGS.
本発明に係る鏝の更に別の実施形態を図７〜９により説明する。
図７は本発明に係る鏝の更に別の実施形態を表す平面図、図８は本発明に係る鏝の更に別の実施形態を表す左側面図、図９は本発明に係る鏝の更に別の実施形態を表す底面図である。
面取り部４の少なくとも１個を図８、９に示すように、面取り対象物（今回であればコンクリートの縁）への軌跡が曲線となるように、使用面の長手方向Ｙの長さを短くしている。面取り対象物（今回であればコンクリートの縁）への軌跡が曲線となれば、どのくらい短くてもよい。
本発明に係る鏝の５つ目の解決手段はこの構成としたことである。これにより躯体が曲線形状でも、使用面に垂直な面４Ａを躯体の縁に沿って鏝１を動かせるため面取りが出来る。
なお図９では、２個の面取り部材４とも使用面の長手方向Ｙの長さを短くしており、躯体が複雑な曲線形状でも面取り出来る。
なお図８には示していないが、図６に示した別の実施形態の、使用面の長手方向に角度を有した斜面４Ｃも設けることは出来る。
また面取り部４は、図１〜４に示した実施形態や、図５、６に示した別の実施形態と同様に、図７〜９に示すように取り付け部材５及び長孔６を用いて鏝板３に取り付ける。図８、９では使用面の長手方向Ｙの中心に設けているが端に設けてもかまわない。
Still another embodiment of the bag according to the present invention will be described with reference to FIGS.
FIG. 7 is a plan view showing still another embodiment of the bag according to the present invention, FIG. 8 is a left side view showing still another embodiment of the bag according to the present invention, and FIG. 9 is still another embodiment of the bag according to the present invention. It is a bottom view showing embodiment of this.
As shown in FIGS. 8 and 9, at least one of the chamfered portions 4 is shortened in the longitudinal direction Y of the use surface so that the locus to the chamfering object (in this case, the edge of the concrete) is a curve. doing. As long as the locus to the chamfering object (in this case, the edge of the concrete) is a curve, it may be as short as possible.
The fifth solving means of the bag according to the present invention is this configuration. Thereby, even if the housing is curved, the surface 4A perpendicular to the use surface can be chamfered because the housing 1 can be moved along the edge of the housing.
In addition, in FIG. 9, the length of the use surface is shortened in the longitudinal direction Y of the two chamfer members 4, and the chamfer can be chamfered even with a complicated curved shape.
Although not shown in FIG. 8, a slope 4C having an angle in the longitudinal direction of the use surface of another embodiment shown in FIG. 6 can also be provided.
Further, the chamfered portion 4 uses the attachment member 5 and the long hole 6 as shown in FIGS. 7 to 9 as in the embodiment shown in FIGS. 1 to 4 and the other embodiments shown in FIGS. Attach to the saddle plate 3. 8 and 9, it is provided at the center in the longitudinal direction Y of the use surface, but it may be provided at the end.
本発明に係る鏝の６つ目の解決手段は、面取り対象物（今回であればコンクリートの縁）への軌跡が曲線となるように、使用面に垂直な面４Ａを２個とも湾曲させたことである。
図示していないが、図７から９に示した更に別の実施形態と別の考え方で、使用面に垂直な面４Ａを湾曲させたものである。面取り対象物（今回であればコンクリートの縁）への軌跡が曲線となれば、どのくらい湾曲させてもよい。これにより躯体が曲線形状でも、使用面に垂直な面４Ａを躯体の縁に沿って鏝１を動かせるため面取り出来る。
The sixth solving means of the wrinkle according to the present invention is that both the surfaces 4A perpendicular to the use surface are curved so that the locus to the chamfering object (in this case, the edge of the concrete) is a curve. That is.
Although not shown, the surface 4A perpendicular to the use surface is curved according to a different concept from the other embodiments shown in FIGS. If the locus to the chamfering object (in this case, the edge of the concrete) is a curve, the curve may be curved to any extent. Thereby, even if the housing is curved, the surface 4A perpendicular to the use surface can be chamfered because the housing 1 can be moved along the edge of the housing.
本発明に係る鏝の７つ目の解決手段は、少なくとも１個の鏝１に対して回動自在な連結部材で２個の鏝１を使用面３Ａの長手方向Ｙに連結し、前方の鏝１の背面を正面方向に又は後方の鏝１の正面を背面方向に面取りしたことである。
図示していないが、図７から９に示した更に別の実施形態と別の考え方で、面取り対象物（今回であればコンクリートの縁）への軌跡が曲線となるように、２個の鏝１を回動自在な連結部材で列車のように連結したものである。前方の鏝１と後方の鏝１とが干渉しないように、前方の鏝１の背面を正面方向に又は後方の鏝１の正面を背面方向に面取りしている。前方の鏝１の背面を正面方向にかつ後方の鏝１の正面を背面方向に面取りしていれば更に干渉しない。これにより躯体が曲線形状でも面取り出来る。
The seventh solving means of the scissors according to the present invention is to connect two scissors 1 in the longitudinal direction Y of the use surface 3A with a connecting member that is rotatable with respect to at least one scissor 1, and to the front scissors The rear surface of 1 is chamfered in the front direction, or the front surface of the rear cage 1 is chamfered in the rear direction.
Although not shown, two ridges are used so that the trajectory to the chamfering object (in this case, the edge of the concrete) is a curved line in a different way from the other embodiment shown in FIGS. 1 is connected like a train by a rotatable connecting member. In order to prevent the front heel 1 and the rear heel 1 from interfering with each other, the back surface of the front heel 1 is chamfered in the front direction or the front surface of the rear heel 1 is chamfered in the back direction. If the front face of the front collar 1 is chamfered in the front direction and the front face of the rear collar 1 is chamfered in the rear direction, there is no further interference. This allows chamfering even if the housing is curved.
本発明に係る鏝の８つ目の解決手段は、面取り部４を弾性体にしたことである。
図示していないが、図７から９に示した更に別の実施形態と別の考え方で、面取り対象物（今回であればコンクリートの縁）への軌跡が曲線となるように、面取り部４を弾性体にしたものである。弾性体としては、エラストマー、ゴム、金属ばね等があげられる。
これにより躯体が曲線形状でも面取り出来る。
The eighth solving means for the wrinkles according to the present invention is that the chamfered portion 4 is made of an elastic body.
Although not shown, the chamfered portion 4 is formed in a different way from the other embodiment shown in FIGS. 7 to 9 so that the locus to the chamfering object (in this case, the edge of the concrete) is a curve. It is an elastic body. Examples of the elastic body include elastomer, rubber, and metal spring.
This allows chamfering even if the housing is curved.
１ 鏝
２ 柄
３ 鏝板
３Ａ 使用面
４ 面取り部
４Ａ 使用面に垂直な面
４Ｂ 使用面に角度を有した斜面
４Ｃ 使用面の長手方向に角度を有した斜面
５ 取り付け部材
６ 長孔
Ｘ 使用面の水平方向
Ｙ 使用面の長手方向
Ｚ 使用面の垂直方向
1 鏝 2 Handle 3 鏝 Plate 3A Use surface 4 Chamfered portion 4A Surface 4B perpendicular to use surface 4B Slope 4C used with an angle on the use surface Slope 5 with an angle in the longitudinal direction of the use surface 5 Mounting member 6 Long hole X Use surface Horizontal direction Y Longitudinal direction of surface used Z Vertical direction of surface used
Claims (6)
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| JP2013031963A JP5789848B2 (en) | 2013-02-21 | 2013-02-21 | 鏝 Used for discontinuous or groove forming construction |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2013031963A JP5789848B2 (en) | 2013-02-21 | 2013-02-21 | 鏝 Used for discontinuous or groove forming construction |
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| JP2014163040A JP2014163040A (en) | 2014-09-08 |
| JP5789848B2 true JP5789848B2 (en) | 2015-10-07 |
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| KR101870167B1 (en) * | 2018-02-22 | 2018-06-25 | 주식회사 아주산업 | Plaster Trowel for Concrete Edge |
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| DE3743412C1 (en) * | 1987-12-21 | 1989-05-03 | Gottfried Perdolt | Washing board for cleaning tilework (panelling, slabwork) |
| JP3001965U (en) * | 1994-03-14 | 1994-09-06 | 株式會社山西 | Grooving surface trowel for stairs |
| JP2008261140A (en) * | 2007-04-12 | 2008-10-30 | Takumi Sekizai Kogyo:Kk | Long coating trowel |
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