JP2006176970A - Permanent form - Google Patents

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JP2006176970A
JP2006176970A JP2004368940A JP2004368940A JP2006176970A JP 2006176970 A JP2006176970 A JP 2006176970A JP 2004368940 A JP2004368940 A JP 2004368940A JP 2004368940 A JP2004368940 A JP 2004368940A JP 2006176970 A JP2006176970 A JP 2006176970A
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main body
steel
concrete
plate body
mesh
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Nobuaki Takamura
宣明 高村
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Takamura Sogyo Corp
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Takamura Sogyo Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide permanent forms which are each free from deformation of a section steel even if the section steel is a light gauge channel, sufficiently endure lateral pressure of poured concrete, maintain an original state of each form, and facilitate connection thereof to each other. <P>SOLUTION: The permanent form is formed at least of a concrete plate main body (1), a mesh body (2) embedded in the plate main body (1), and the section steels (3) which are assembled like a quadrangular frame, rigidly bonded to the mesh body (2), and partly exposed from a rear surface (1a) of the plate main body (1). Each section steel (3) has an almost U-shaped cross section, and allows an opening surface (3a) side thereof to be bonded to the mesh body (2). Then the section steel (3) is embedded in the plate main body (1), and a flat plate portion (3b) thereof is protruded from a rear surface (1a) of the plate main body (1). Further the section steel (3) has a number of screw holes (3c) formed in the flat plate portion (3b) at regular intervals. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明はコンクリート製の構造物を施工する際に、そのものが構造物のコンクリート打設用の型枠として枠組され、打設コンクリートが固化後にコンクリート構造物の表面にそのまま残存するタイプの残存型枠に関する。   In the present invention, when a concrete structure is constructed, a residual formwork of the type in which the structure itself is framed as a formwork for placing concrete, and the cast concrete remains on the surface of the concrete structure after solidification. About.

従来、コンクリート製の構造物を施工する際に、構造物のコンクリート打設用の型枠として枠組し、打設コンクリートが固化後にコンクリート表面に固着し残存して型枠を取り外すことのないコンクリート製の残存型枠が知られている。この残存型枠を枠組する際に、並べて段積した残存型枠は上下及び左右の接続を連結金具で固定しながら行っていた。   Conventionally, when constructing a concrete structure, it is framed as a formwork for placing concrete in the structure, and the cast concrete is fixed to the concrete surface after solidification and remains without removing the formwork. The remaining formwork is known. When the remaining molds were framed, the remaining molds that were stacked side by side were connected while fixing the upper and lower and left and right connections with connecting fittings.

そして、この残存型枠としては、コンクリート製のプレートであり、その内部に埋設した補強用の網状体と、該網状体に固着しプレートの裏面から一部を露出する断面コの字状の溝形鋼であり、この溝形鋼は四角状に枠組させたものである。   And as this residual formwork, it is a concrete plate, a reinforcing mesh embedded in the interior, and a U-shaped groove that is fixed to the mesh and is partially exposed from the back surface of the plate It is a section steel, and this groove section steel is a rectangular frame.

この残存型枠の枠組の際に、簡単に連結金具でもって強固に連結可能とする残存型枠について本発明者が特開２００３−９６７９９号で提案したところである。この特開２００３−９６７９９号における残存型枠の構成は、露出する部分の形鋼がプレート本体の裏面と平行な平板部を有し、該平板部に多数のネジ用穴を穿設したものである。そして、このネジ用穴を利用し、段積した残存型枠を連結プレートで連結し確実な枠組を可能とするものであった。
特開特開２００３−９６７９９号公報 The present inventor has proposed in Japanese Patent Application Laid-Open No. 2003-96799 a residual mold that can be easily and firmly connected with a connecting bracket when the residual mold is framed. The structure of the remaining mold in Japanese Patent Laid-Open No. 2003-96799 is such that the exposed portion of the shape steel has a flat plate portion parallel to the back surface of the plate body, and a number of screw holes are formed in the flat plate portion. is there. Then, using this screw hole, the stacked residual molds are connected by a connecting plate to enable a reliable frame.
JP-A-2003-96799

しかしながら、前記特開２００３−９６７９９号の残存型枠においては、プレート本体の裏面から露出する形鋼の断面形状がＬ字状であり、その露出した平板部にネジ用穴を穿設させている。しかも、この平板部はプレート本体の裏面と平行で、その幅方向の片側のみで支持された状態のものである。従って、このような片側支持の平板部にネジ用穴を穿設した場合には、このネジ用穴を利用してプレート本体の枠組を行った後に、生コンクリートを打設すると、打設コンクリートの側圧が枠組したプレート本体に加わり、その側圧が支持棒，連結金具及びネジ用穴に螺合させたネジ等を介して平板部に作用する。すると、片持状態の平板部は側圧によりめくられて変形を起こし、枠組したプレート本体の全体がゆがんで波を打つ状態となる。その結果、打設コンクリートが流出したり、コンクリート固化後の構造物の表面がゆがんだりし見栄えの悪いものとなる等の問題点を有していた。また上記の問題点を解消するのに使用する形鋼の厚さを増加させればよいが、この場合には、残存型枠全体の重量が増加し、運搬や枠組作業に支障をきたし、製造コスト的にも不利となる等の問題点が残る。   However, in the remaining form of JP-A-2003-96799, the cross-sectional shape of the shape steel exposed from the back surface of the plate body is L-shaped, and a screw hole is formed in the exposed flat plate portion. . Moreover, this flat plate portion is parallel to the back surface of the plate body and is supported only on one side in the width direction. Therefore, when a screw hole is drilled in such a flat plate portion of one side support, after placing the frame of the plate body using this screw hole and placing the ready-mixed concrete, A lateral pressure is applied to the framed plate body, and the lateral pressure acts on the flat plate portion via a support rod, a coupling fitting, a screw screwed into a screw hole, and the like. Then, the flat plate portion in the cantilever state is turned and deformed by the side pressure, and the entire plate body that is framed is distorted and waved. As a result, there have been problems such as casting concrete flowing out, and the surface of the structure after the solidification of the concrete is distorted, resulting in a poor appearance. In addition, it is sufficient to increase the thickness of the shape steel used to solve the above problems, but in this case, the weight of the entire remaining formwork increases, which hinders transportation and frame work, and manufacture. Problems such as cost disadvantages remain.

本発明は上記の問題点に鑑み、残存型枠を枠組する際に、軽溝形鋼を使用しても形鋼の変形がなく、打設コンクリートの側圧にも充分耐え枠組状態を確保でき、且つ、残存型枠同志の連結固定が容易な残存型枠を提供することを目的とする。   In view of the above-mentioned problems, the present invention has no deformation of the shape steel even when using the light groove shape steel when framing the remaining formwork, can sufficiently withstand the lateral pressure of the cast concrete, and can ensure the framework state. It is another object of the present invention to provide a residual mold that can be easily connected and fixed between the remaining molds.

本発明は、コンクリート製のプレート本体（１）と、該プレート本体（１）内に埋設する網状体（２）と、四角状に枠組し前記網状体（２）と固着すると共に前記プレート本体（１）の裏面（1a）から一部露出する形鋼（３）とから少なくとも成る残存型枠において、前記形鋼（３）は、その断面形状が略コの字状であり、且つ、前記形鋼（３）の開口面（3a）側を前記網状体（２）と固着させると共に前記プレート本体（１）内に埋設し、前記形鋼（３）の平板部（3b）側を前記プレート本体（１）の裏面（1a）から突出させる。且つ前記形鋼（３）には、少なくとも前記平板部（3b）に多数のネジ用穴（3c）を等間隔で穿設する。   The present invention comprises a concrete plate body (1), a mesh body (2) embedded in the plate body (1), a rectangular frame and fixed to the mesh body (2) and the plate body ( 1) In the remaining form consisting of at least a section steel (3) partially exposed from the back surface (1a), the section (3) has a substantially U-shaped cross section, and the shape The opening (3a) side of the steel (3) is fixed to the mesh body (2) and embedded in the plate main body (1), and the flat plate portion (3b) side of the shaped steel (3) is fixed to the plate main body. Project from the back (1a) of (1). In the shape steel (3), a number of screw holes (3c) are formed at equal intervals in at least the flat plate portion (3b).

又、前記形鋼（３）の側面部（3d）に多数の貫通穴（3e）を穿設するのが好ましい。   Moreover, it is preferable that a large number of through holes (3e) are formed in the side surface (3d) of the shape steel (3).

更に前記ネジ用穴（3c）が、タッピンネジ用の下穴であるのが好ましい。   Further, the screw hole (3c) is preferably a pilot hole for a tapping screw.

又、前記貫通穴（3e）の一部が、前記プレート本体（１）内に埋設させるのが好ましい。   Moreover, it is preferable that a part of the through hole (3e) is embedded in the plate body (1).

本発明は、形鋼（３）の開口面（3a）側を網状体（２）に固着し、その網状体（２）と形鋼（３）の開口面（3a）側に一部をプレート本体（１）に埋設させ、平板部（3b）側をプレート本体（１）の裏面（1a）から突出させたことにより、形鋼（３）の露出した部分の断面形状が略コの字状であり、頂部の平坦な平板部（3b）は、側面部（3d）で両端支持されているため、平板部（3b）に穿設したネジ用穴（3c）の部分が強く引張られても、平板部（3b）の変形が起こり難く、従って、形鋼（３）は軽溝形鋼が使用できると共に肉厚の薄い平板部（3b）にネジ用穴（3c）を設けた形鋼（３）にすることが可能となり、残存型枠全体の軽量化とコスト低減を成すと共に、形鋼（３）の開口面（3a）側がプレート本体（１）に埋設されたことにより、プレート本体（１）のコンクリートが開口面（3a）から形鋼（３）内に入り易く形鋼（３）の空洞が生じない。   In the present invention, the opening surface (3a) side of the shape steel (3) is fixed to the mesh body (2), and a part of the plate is placed on the mesh surface (2) and the opening surface (3a) side of the shape steel (3). By embedding in the main body (1) and projecting the flat plate (3b) side from the back surface (1a) of the plate main body (1), the cross-sectional shape of the exposed part of the shaped steel (3) is substantially U-shaped. Since the flat plate portion (3b) at the top is supported at both ends by the side surface portion (3d), even if the portion of the screw hole (3c) drilled in the flat plate portion (3b) is strongly pulled The flat plate (3b) is not easily deformed. Therefore, the shape steel (3) can be a light-grooved steel and has a thin plate (3b) with a screw hole (3c) ( 3), the overall remaining formwork can be reduced in weight and cost, and the opening surface (3a) side of the shaped steel (3) is embedded in the plate body (1). Doo body (1) concrete does not occur cavity of shape steel from the opening face (3a) (3) enters the easily shaped steel (3).

又、形鋼（３）の側面部（3d）に多数の貫通穴（3e）を穿設したことにより、枠組した形鋼（３）の内部に打設コンクリートが充填され、プレート本体（１）と構造物との結合性を高め、且つ形鋼（３）の強度も増す。しかも形鋼（３）の内部に打設コンクリートが入り込む際に、内部の空気が枠組で使用されていないネジ用穴（3c）から逃げられるため、打設コンクリートの充填が確実に行われる。   Moreover, by placing a large number of through holes (3e) in the side surface (3d) of the shaped steel (3), the cast concrete is filled into the framed shaped steel (3), and the plate body (1) The bond between the steel and the structure is enhanced, and the strength of the shape steel (3) is also increased. Moreover, when the cast concrete enters the inside of the shaped steel (3), the internal air escapes from the screw holes (3c) not used in the frame, so that the cast concrete is reliably filled.

更に、ネジ用穴（3c）が、タッピンネジ用の下穴にすることにより、ネジ用穴（3c）の加工が容易であると共に枠組の際にプレート本体（１）の連結固定でタッピンネジが使用でき作業性を高める。   Furthermore, by making the screw hole (3c) into a pilot hole for the tapping screw, the screw hole (3c) can be easily processed, and the tapping screw can be used by connecting and fixing the plate body (1) when the frame is assembled. Increase workability.

又、貫通穴（3e）の一部がプレート本体（１）内に埋設させたことにより、プレート本体（１）と形鋼（３）との結合が強固となり、且つ、プレート本体（１）から露出した部分の貫通穴（3e）には打設コンクリートが入り込むため、プレート本体（１）と構造物との結合力もより強固なものとなる。   Further, since a part of the through hole (3e) is embedded in the plate main body (1), the connection between the plate main body (1) and the shaped steel (3) becomes strong, and the plate main body (1) Since the cast concrete enters the through hole (3e) in the exposed portion, the bonding force between the plate body (1) and the structure becomes stronger.

以下、本発明の実施例を図を基に説明する。図１は本発明の残存型枠を示す全体斜視図、図２は本発明の断面図、図３は本発明の網状体と形鋼を示す斜視図、図４は本発明の使用状態を示す部分説明図である。   Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an overall perspective view showing a residual mold according to the present invention, FIG. 2 is a cross-sectional view of the present invention, FIG. 3 is a perspective view showing a mesh body and a shaped steel of the present invention, and FIG. It is a partial explanatory view.

以下図１〜図４に基づき本発明の実施の形態を説明する。先ず以下図において、（１）はコンクリート製のプレート本体である。このプレート本体（１）は一定の厚さと面積でコンクリートを硬化させたプレート状のものであり、前記コンクリートとしては一般のポルトランドセメントに適量の砂等の骨材を混入させ硬化したもの、あるいは単にレジンコンクリートや特殊シリカセメントだけで硬化したもの等を多く使用するが、硬化したコンクリートに低粘度のビニール系モノマーを含浸、重合させたり、コンクリートに金属短繊維を混入し硬化させ、その中に低粘度のビニール系ポリマーを含浸、重合して耐久性及び機械的強度を著しく向上させたものを用いてもよい。又、プレート本体（１）の表面は見栄えを良くするために、通常は擬石風の化粧仕上を施して化粧部（1b）が形成されるが、使用場所によっては化粧仕上が必要ないので化粧部（1b）を形成しないこともある。尚、プレート本体（１）の側面全周には、段積する際に重ね部分から打設コンクリートが漏れ出すのを防止するためコーキング剤を注入するこの溝（1c）を設けるとよい。   Embodiments of the present invention will be described below with reference to FIGS. First, in the drawings, (1) is a concrete plate body. This plate body (1) is a plate-like material in which concrete is hardened with a constant thickness and area. As the concrete, it is hardened by mixing an appropriate amount of aggregate such as sand in general Portland cement, or simply Resin concrete or hardened only with special silica cement is often used, but the hardened concrete is impregnated with a low-viscosity vinyl monomer and polymerized, or mixed with short metal fibers and hardened. You may use what impregnated and polymerized the vinyl polymer of a viscosity and improved durability and mechanical strength remarkably. In addition, in order to improve the appearance of the plate body (1), the decorative part (1b) is usually formed by applying a pseudo stone-like cosmetic finish. (1b) may not be formed. In addition, it is good to provide this groove | channel (1c) which inject | pours a caulking agent in order to prevent the cast concrete from leaking out from the overlap part, when laminating | stacking, on the whole side surface periphery of a plate main body (1).

（２）はプレート本体（１）の内部に全部が埋設された網状体であり、該網状体（２）はプレート本体（１）を補強するためのものである。また前記網状体（２）には表面処理した金網，抜穴金網板が用いられ、特にエキスパンドメタルが特有な網目形状からして強度的な面、プレート本体（１）との結合性及び安価の面で使用するのが好ましい。又、網状体（２）の表面処理としてはメッキ処理，塗装処理等を施す。この時、ダブルコートカチオン電着塗装を施すと、防錆効果が極めて高く特に好ましいものとなる。尚、このダブルコートカチオン電着塗装とは、従来のカチオン電着塗装を２回行う塗装方法であり、これは従来１回のカチオン電着塗装では塗装される物の塗面の平滑性を求めるとエッジ部の塗装がされず、この耐エッジ部の防食性と塗面平滑性を解消するための塗装方法である。即ち、第１回の電着では耐エッジ防食性だけの機能を持たせ、それによって生じる塗面平滑性の低下は第２回の電着によってカバーしようとするものである。このダブルコートカチオン電着塗装では、網状体（２）がエキスパンドメタルである場合に、そのエッジ部が特に多いため、そのエッジ部の塗装を良く行える極めて有効な防錆効果であり、耐久性を高める。   (2) is a net-like body entirely embedded in the plate body (1), and the net-like body (2) is for reinforcing the plate body (1). The mesh body (2) is made of a surface-treated wire mesh or a perforated wire mesh plate. Particularly, the expanded metal has a special mesh shape and is strong in terms of strength, connectivity with the plate body (1) and inexpensive. It is preferable to use it on the surface. Further, as the surface treatment of the mesh body (2), plating treatment, painting treatment, etc. are performed. At this time, when a double coat cationic electrodeposition coating is applied, the rust prevention effect is extremely high, which is particularly preferable. The double-coat cation electrodeposition coating is a coating method in which the conventional cation electrodeposition coating is performed twice, and this requires the smoothness of the coating surface of the object to be coated in the conventional one cation electrodeposition coating. This is a coating method for eliminating the anti-corrosion property and smoothness of the coated surface of the edge-resistant portion without coating the edge portion. That is, in the first electrodeposition, only the edge anticorrosion resistance is provided, and the resulting decrease in the smoothness of the coating surface is to be covered by the second electrodeposition. In this double coat cationic electrodeposition coating, when the mesh (2) is an expanded metal, the edge portion is particularly large. Increase.

（３）は図２、図３に示すように断面コの字状の軽溝形鋼を用い、４本を四角状に配列し溶接で枠組した形鋼であり、この形鋼（３）の開口面（3a）側を網状体（２）に固着可能に枠組させている。そして、この四角状に枠組した形鋼（３）は開口面（3a）側で網状体（２）に溶接して固着させ、この網状体（２）全体と形鋼（３）の略半分がプレート本体（１）内に埋設され、形鋼（３）の他の部分はプレート本体（１）の裏面（1a）から突出させる。その突出した平板部（3b）は、プレート本体（１）の裏面（1a）と平行な面であり、両側面部（3d）で支持された状態となる。又、両側面部（3d）は互いに平行なものとは限らず、網状体（２）側に向って開いた状態のものである。   (3) is a shape steel using a light groove shape steel with a U-shaped cross section as shown in FIG. 2 and FIG. 3, arranged in a square shape and framed by welding. The opening surface (3a) side is framed so as to be fixed to the mesh body (2). And this square shaped frame (3) is welded and fixed to the mesh body (2) on the opening surface (3a) side, and the entire mesh body (2) and approximately half of the shape steel (3) are formed. It is embedded in the plate body (1), and the other part of the shaped steel (3) is projected from the back surface (1a) of the plate body (1). The protruding flat plate portion (3b) is a surface parallel to the back surface (1a) of the plate body (1) and is supported by both side surface portions (3d). Further, the side surface portions (3d) are not necessarily parallel to each other, but are open toward the mesh body (2).

更に形鋼（３）の露出する部分の平板部（3b）には、多数のネジ用穴（3c）を穿設させている。このネジ用穴（3c）とはネジが螺合するためのネジ溝を形成したネジ穴，タッピンネジ用の下穴をいう。そしてこのネジ用穴（3c）は通常等間隔で四角状の平板部（3b）に全周にわたって穿設させているが、必要に応じて四角状の四隅と中央のみに限定させて多数設けてもよい。そして上記ネジ溝を形成したネジ穴を穿設する場合には、図４に示すようにツバ出し加工を施すとネジ穴が長くできネジ溝も多くなり好ましく、連結金具（４）を介してプレート本体（１）を連結する際に、ネジ（５）とネジ用穴（3c）との螺合が強固なものとなる。   Further, a number of screw holes (3c) are formed in the flat plate portion (3b) of the exposed portion of the shape steel (3). This screw hole (3c) is a screw hole in which a screw groove is formed for screwing and a pilot hole for a tapping screw. The screw holes (3c) are usually perforated in the rectangular flat plate part (3b) at regular intervals over the entire circumference. However, if necessary, the screw holes (3c) are limited to only the four corners and the center. Also good. In the case of drilling the screw hole in which the screw groove is formed, it is preferable that the screw hole is processed to increase the length of the screw hole as shown in FIG. When connecting the main body (1), the screwing of the screw (5) and the screw hole (3c) becomes strong.

又、形鋼（３）の側面部（3d）には、多数の貫通穴（3e）を穿設させている。この貫通穴（3e）は露出した形鋼（３）の内部が空洞であるため、この形鋼（３）の内部に打設コンクリートを充填させて形鋼（３）の全体強度を高め、且つ、形鋼（３）の全体がコンクリートで包まれることにより、形鋼（３）の防錆と打設コンクリートとの結合性を高める役目を成す。   In addition, a large number of through holes (3e) are formed in the side surface (3d) of the shaped steel (3). This through hole (3e) is hollow inside the exposed shape steel (3), so that the cast steel (3) is filled with cast concrete to increase the overall strength of the shape steel (3), and By wrapping the entire shape steel (3) with concrete, it plays a role of increasing the rust prevention of the shape steel (3) and the bondability with the cast concrete.

更に、この貫通穴（3e）は略半分がプレート本体（１）に埋設させるのが好ましい。この場合にはプレート本体（１）と形鋼（３）との結合が強固となり、コンクリート打設後の構造物との結合性も高くなる。   Furthermore, it is preferable that substantially half of the through hole (3e) is embedded in the plate body (1). In this case, the connection between the plate main body (1) and the shape steel (3) becomes strong, and the connection with the structure after the concrete is placed also increases.

本発明の残存型枠を示す全体斜視図である。It is a whole perspective view which shows the residual formwork of this invention. 本発明の断面図である。It is sectional drawing of this invention. 本発明の網状体と形鋼を示す斜視図である。It is a perspective view which shows the meshwork and shape steel of this invention. 本発明の使用状態を示す部分説明図である。It is a partial explanatory view showing a use state of the present invention.

符号の説明Explanation of symbols

１ プレート本体
1a 裏面
２ 網状体
３ 形鋼
3a 開口面
3b 平板部
3c ネジ用穴
3d 側面部
3e 貫通穴

1 Plate body
1a Back side 2 Mesh 3 Shaped steel
3a Open face
3b Flat plate
3c Screw hole
3d side
3e Through hole

Claims (4)

コンクリート製のプレート本体（１）と、該プレート本体（１）内に埋設する網状体（２）と、四角状に枠組し前記網状体（２）と固着すると共に前記プレート本体（１）の裏面（1a）から一部露出する形鋼（３）とから少なくとも成る残存型枠において、前記形鋼（３）は、その断面形状が略コの字状であり、且つ、前記形鋼（３）の開口面（3a）側を前記網状体（２）と固着させると共に前記プレート本体（１）内に埋設し、前記形鋼（３）の平板部（3b）側を前記プレート本体（１）の前記裏面（1a）から突出させ、且つ前記形鋼（３）には、少なくとも前記平板部（3b）に多数のネジ用穴（3c）を等間隔で穿設したことを特徴とする残存型枠。   A plate body (1) made of concrete, a mesh body (2) embedded in the plate body (1), a rectangular frame and fixed to the mesh body (2), and the back surface of the plate body (1) (1a) In the remaining form consisting of at least a section steel (3) partially exposed, the section (3) has a substantially U-shaped cross section, and the section steel (3) The opening surface (3a) side of the steel plate is fixed to the mesh body (2) and embedded in the plate body (1), and the flat plate portion (3b) side of the shape steel (3) is placed on the plate body (1). A residual form that protrudes from the back surface (1a) and has a plurality of screw holes (3c) formed at equal intervals in at least the flat plate portion (3b) in the shape steel (3). . 前記形鋼（３）の側面部（3d）に多数の貫通穴（3e）を穿設した請求項１記載の残存型枠。   The residual formwork according to claim 1, wherein a number of through holes (3e) are formed in the side surface (3d) of the shape steel (3). 前記ネジ用穴（3c）が、タッピンネジ用の下穴である請求項１、２記載の残存型枠。   The residual mold according to claim 1, wherein the screw hole (3c) is a pilot hole for a tapping screw. 前記貫通穴（3e）の一部が、前記プレート本体（１）内に埋設させた請求項２記載の残存型枠。
The residual mold according to claim 2, wherein a part of the through hole (3e) is embedded in the plate body (1).
JP2004368940A 2004-12-21 2004-12-21 Permanent form Pending JP2006176970A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017057678A (en) * 2015-09-18 2017-03-23 タカムラ総業株式会社 Permanent form

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017057678A (en) * 2015-09-18 2017-03-23 タカムラ総業株式会社 Permanent form

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