JP2015040434A - Tubing device - Google Patents

Tubing device Download PDF

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JP2015040434A
JP2015040434A JP2013172483A JP2013172483A JP2015040434A JP 2015040434 A JP2015040434 A JP 2015040434A JP 2013172483 A JP2013172483 A JP 2013172483A JP 2013172483 A JP2013172483 A JP 2013172483A JP 2015040434 A JP2015040434 A JP 2015040434A
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casing tube
diameter
work deck
opening
frame
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JP6239313B2 (en
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浩司 高山
Koji Takayama
浩司 高山
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Nippon Sharyo Ltd
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Nippon Sharyo Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a tubing device capable of safely executing work, by eliminating danger such as an operator falls in a casing tube insertion hole.SOLUTION: The tubing device comprises a casing tube insertion hole 16 penetrating in the vertical direction through a central part of a base frame, a drive frame and a chuck frame. A work deck 20 having an opening part 19 having an inner diameter corresponding to an inner diameter of the casing tube insertion hole, is provided on the chuck frame, and a plurality of attachable-detachable inner peripheral side handrail members 21 are arranged in a ring shape around the opening part. When using a casing tube with a small outer diameter, an auxiliary work deck having the opening part with a small inner diameter is used, and a reduced number of the same inner peripheral side handrail members are arranged around the opening part with the small inner diameter.

Description

本発明は、チュービング装置に関し、詳しくは、建築、土木の基礎工事で地中へのケーシングの圧入や引き抜きを行うチュービング装置に関する。   The present invention relates to a tubing device, and more particularly, to a tubing device that press-fits or pulls out a casing from the ground during construction and civil engineering foundation work.

大口径のケーシングチューブ（鋼管杭）を地中に圧入したり、引き抜いたりする作業を行うための手段として、チュービング装置（オールケーシング掘削機）が用いられている。このチュービング装置は、一般に、地上に据え付けられるベースフレームと、該ベースフレームの上方に昇降シリンダを介して昇降可能に設けられたドライブフレームと、該ドライブフレームの上方にチャックシリンダを介して昇降可能に設けられたチャックフレームと、前記ベースフレーム、ドライブフレーム及びチャックフレームの中央部を鉛直方向に貫通するケーシングチューブ挿通孔とを備えている。このようなチュービング装置では、ケーシングの挿入や着脱、コンクリートの注入などの作業をする際の転落事故を防止するため、チュービング装置本体の上面に設けた作業デッキの外縁に沿って手摺を設けることが行われている（例えば、特許文献１参照。）。   Tubing devices (all-casing excavators) are used as means for press-fitting and pulling out large-diameter casing tubes (steel pipe piles) into the ground. This tubing device generally has a base frame installed on the ground, a drive frame provided above and below the base frame via an elevating cylinder, and can be raised and lowered above the drive frame via a chuck cylinder. A chuck frame provided, and a base tube, a drive frame, and a casing tube insertion hole penetrating the central portion of the chuck frame in the vertical direction are provided. In such a tubing device, a handrail may be provided along the outer edge of the work deck provided on the upper surface of the tubing device body in order to prevent a fall accident when performing operations such as inserting and removing the casing, and pouring concrete. (For example, refer to Patent Document 1).

特開２００１−３２９７７５号公報JP 2001-329775 A

しかし、従来の手摺は、チュービング装置本体の上面周囲に設けられるのみであり、ケーシングチューブ挿通孔内への転落防止に対しては考慮されていなかった。   However, the conventional handrail is only provided around the upper surface of the tubing device main body, and is not taken into consideration for preventing the fall into the casing tube insertion hole.

そこで本発明は、ケーシングチューブ挿通孔内に作業者が転落するような危険性を排除して安全に作業を行うことができるチュービング装置を提供することを目的としている。   SUMMARY OF THE INVENTION An object of the present invention is to provide a tubing device that can perform a work safely by eliminating the danger that an operator falls into a casing tube insertion hole.

上記目的を達成するため、本発明のチュービング装置は、地上に据え付けられるベースフレームと、該ベースフレームの上方に昇降シリンダを介して昇降可能に設けられたドライブフレームと、該ドライブフレームの上方にチャックシリンダを介して昇降可能に設けられたチャックフレームと、前記ベースフレーム、ドライブフレーム及びチャックフレームの中央部を鉛直方向に貫通するケーシングチューブ挿通孔とを備えたチュービング装置において、前記チャックフレームの上に、前記ケーシングチューブ挿通孔の内径に対応した内径を有する開口部を備えた作業デッキを設けるとともに、該作業デッキの前記開口部の周囲を囲む位置に、複数の着脱可能な手摺部材をリング状に配置したことを特徴としている。   In order to achieve the above object, a tubing device according to the present invention includes a base frame installed on the ground, a drive frame provided above the base frame so as to be movable up and down via a lifting cylinder, and a chuck above the drive frame. A tubing device comprising: a chuck frame that can be moved up and down via a cylinder; and a casing tube insertion hole that vertically penetrates a central portion of the base frame, the drive frame, and the chuck frame. A work deck having an opening having an inner diameter corresponding to the inner diameter of the casing tube insertion hole is provided, and a plurality of detachable handrail members are formed in a ring shape at a position surrounding the opening of the work deck. It is characterized by the arrangement.

さらに、本発明のチュービング装置は、前記ケーシングチューブ挿通孔に比べて外径が小さなケーシングチューブを使用する際には、前記開口部の内周に、外径が小さな前記ケーシングチューブの外径に対応した内径を有する小径の開口部を備えた補助作業デッキを着脱可能に設けるとともに、該補助作業デッキの前記小径の開口部の周囲を囲む位置に、前記作業デッキの開口部の周囲に配置した前記手摺部材と同じ手摺部材を、前記作業デッキの開口部の周囲の設置数よりも少ない配置数でリング状に配置したことを特徴としている。   Furthermore, the tubing device of the present invention corresponds to the outer diameter of the casing tube having a small outer diameter on the inner periphery of the opening when using a casing tube having a smaller outer diameter than the casing tube insertion hole. The auxiliary work deck having a small-diameter opening having an inner diameter is detachably provided, and the auxiliary work deck is disposed around the opening of the work deck at a position surrounding the small-diameter opening of the auxiliary work deck. The handrail member that is the same as the handrail member is arranged in a ring shape with an arrangement number smaller than the number of installation around the opening of the work deck.

本発明のチュービング装置によれば、作業デッキの開口部の周囲に手摺部材を配置したので、作業デッキからケーシングチューブ挿通孔内に作業者が転落することを確実に防止でき、従来から用いられている作業デッキ外縁側の手摺と併用することにより、チュービング装置上部での各種作業を安全帯を用いることなく効率よく安全に行うことができる。   According to the tubing device of the present invention, since the handrail member is arranged around the opening of the work deck, it is possible to reliably prevent the operator from falling from the work deck into the casing tube insertion hole, which has been conventionally used. By using it together with the handrail on the outer edge side of the work deck, various operations on the upper part of the tubing device can be performed efficiently and safely without using a safety belt.

さらに、標準のケーシングチューブに比べて小径のケーシングチューブを使用する際に、該小径のケーシングチューブの外径に対応した小径の開口部を備えた補助作業デッキを前記開口部の内周に設けるとともに、小径の開口部の周囲に、同じ手摺部材の使用数を少なくして配置することにより、手摺部材の種類を増加させることなく経済的に安全性を確保することができる。   Furthermore, when using a casing tube having a smaller diameter than that of a standard casing tube, an auxiliary work deck having a small-diameter opening corresponding to the outer diameter of the small-diameter casing tube is provided on the inner periphery of the opening. By arranging the same handrail member in a small number around the small-diameter opening, safety can be ensured economically without increasing the types of handrail members.

本発明の一形態例を示すチュービング装置の平面図である。It is a top view of the tubing apparatus which shows one example of this invention. 同じく側面図である。It is a side view similarly. 中径補助作業デッキ及び手摺部材を設置する状態を示す説明図である。It is explanatory drawing which shows the state which installs a medium diameter auxiliary | assistant work deck and a handrail member. 中径補助作業デッキ及び手摺部材を設置したチュービング装置の平面図である。It is a top view of the tubing apparatus which installed the medium diameter auxiliary | assistant work deck and the handrail member. 小径補助作業デッキ及び手摺部材を設置したチュービング装置の平面図である。It is a top view of the tubing apparatus which installed the small diameter auxiliary | assistant work deck and the handrail member.

図１乃至図３は、本発明のチュービング装置の一形態例を示すもので、このチュービング装置は、地上に据え付けられるベースフレーム１１と、該ベースフレーム１１の上方に昇降シリンダ１２を介して昇降可能に設けられたドライブフレーム１３と、該ドライブフレーム１３の上方にチャックシリンダ１４を介して昇降可能に設けられたチャックフレーム１５とを備えており、前記ベースフレーム１１、ドライブフレーム１３及びチャックフレーム１５の中央部には、鉛直方向に貫通して同軸上に配置されたケーシングチューブ挿通孔１６が設けられている。   1 to 3 show an example of a tubing device according to the present invention. This tubing device can be moved up and down via a base frame 11 installed on the ground and a lifting cylinder 12 above the base frame 11. A drive frame 13 provided on the drive frame 13 and a chuck frame 15 provided above the drive frame 13 via a chuck cylinder 14 so as to be movable up and down. The base frame 11, the drive frame 13, and the chuck frame 15 In the center portion, a casing tube insertion hole 16 is provided that passes through in the vertical direction and is coaxially disposed.

チャックフレーム１５の内周には、このチュービング装置で使用する標準仕様のケーシングチューブ（以下、大径ケーシングチューブという。）１７を把持するための複数のチャック１８が設けられている。また、チャックフレーム１５の上面には、ケーシングチューブ挿通孔１６の内径に対応した内径を有する開口部１９を備えた作業デッキ２０が設けられており、ケーシングチューブ挿通孔１６とチャックフレーム１５の外縁とが接近している部分には、外方に張り出す拡幅デッキ２０ａが設けられている。   A plurality of chucks 18 for holding a standard specification casing tube (hereinafter referred to as a large diameter casing tube) 17 used in the tubing device is provided on the inner periphery of the chuck frame 15. A work deck 20 having an opening 19 having an inner diameter corresponding to the inner diameter of the casing tube insertion hole 16 is provided on the upper surface of the chuck frame 15, and the casing tube insertion hole 16 and the outer edge of the chuck frame 15 are provided. A wide deck 20a that projects outward is provided at the portion where the two are approaching.

図１及び図２に示すように、ケーシングチューブ挿通孔１６に面する作業デッキ２０の内周部には、開口部１９の周囲を囲むようにして複数の着脱可能な内周側手摺部材２１が設けられるとともに、作業デッキ２０及び拡幅デッキ２０ａの外縁部には、複数の着脱可能な外縁部側手摺部材２２が設けられている。内周側手摺部材２１及び外縁部側手摺部材２２は、安全基準に対応した形状を有しており、水平方向の手摺部２１ａ，２２ａ及び中桟２１ｂ，２２ｂと、両端部に設けられた鉛直方向の一対の支柱部２１ｃ，２２ｃとを備えている。内周側手摺部材２１の幅寸法及び高さ寸法などは全て同一であり、外縁部側手摺部材２２の幅寸法は、あらかじめ設定された装着位置に対応した幅寸法にそれぞれ設定されている。   As shown in FIGS. 1 and 2, a plurality of detachable inner handrail members 21 are provided on the inner peripheral portion of the work deck 20 facing the casing tube insertion hole 16 so as to surround the periphery of the opening 19. In addition, a plurality of detachable outer edge side handrail members 22 are provided on the outer edge portions of the work deck 20 and the widening deck 20a. The inner peripheral side handrail member 21 and the outer edge side handrail member 22 have shapes corresponding to safety standards, and are provided with horizontal handrail portions 21a, 22a and intermediate rails 21b, 22b, and vertical provided at both ends. A pair of directional support columns 21c and 22c are provided. The width and height of the inner handrail member 21 are all the same, and the width of the outer edge handrail member 22 is set to a width corresponding to a preset mounting position.

作業デッキ２０及び拡幅デッキ２０ａにおける各手摺部材２１，２２の取付位置には、前記支柱部２１ｃ，２２ｃの下端部を挿入するための筒状の手摺取付部材２３，２４がそれぞれ所定位置に設けられている。各手摺部材２１，２２は、支柱部２１ｃ，２２ｃの下端部を手摺取付部材２３，２４の内部にそれぞれ挿入した後、抜け止め部材２５をそれぞれ取り付けることによって所定位置に固定され、ケーシングチューブ挿通孔１６の周囲には、１０個の内周側手摺部材２１がリング状に設置された状態になる。これにより、大径ケーシングチューブ１７を使用して作業を行う際に、ケーシングチューブ挿通孔１６内への転落事故や、作業デッキ２０、拡幅デッキ２０ａ外側への転落事故を確実に防止することができ、各種作業を安全に、効率よく進めることができる。   At the attachment positions of the handrail members 21 and 22 on the work deck 20 and the widening deck 20a, cylindrical handrail attachment members 23 and 24 for inserting the lower ends of the column portions 21c and 22c are provided at predetermined positions, respectively. ing. Each of the handrail members 21 and 22 is fixed at a predetermined position by inserting the lower end portions of the column portions 21c and 22c into the handrail attachment members 23 and 24, and then attaching the retaining members 25, respectively. In the vicinity of 16, 10 inner handrail members 21 are installed in a ring shape. Thereby, when working using the large-diameter casing tube 17, a fall accident into the casing tube insertion hole 16 and a fall accident to the outside of the work deck 20 and the wide deck 20a can be reliably prevented. Various operations can be performed safely and efficiently.

図３及び図４は、前記大径ケーシングチューブ１７よりも小さな内径、すなわち、ケーシングチューブ挿通孔１６の内径に比べて外径が小さな中径ケーシングチューブ３１を使用して作業を行う際の状態を示している。なお、以下の説明において、図１及び図２に示したチュービング装置の構成要素と同一の構成要素には同一の符号を付して詳細な説明は省略する。   3 and 4 show a state in which the inner diameter casing tube 31 is smaller than the large diameter casing tube 17, that is, the middle diameter casing tube 31 is smaller than the inner diameter of the casing tube insertion hole 16. Show. In the following description, the same components as those of the tubing device shown in FIGS. 1 and 2 are denoted by the same reference numerals, and detailed description thereof is omitted.

中径ケーシングチューブ３１を使用する場合は、まず、前記チャック１８の内周側に中径用チャック３２をそれぞれ取り付けるとともに、前記作業デッキ２０の開口部１９に中径用補助作業デッキ３３を嵌め込むようにして設置する。中径用補助作業デッキ３３は、外径が作業デッキ２０の開口部１９の内径に対応し、内径が中径ケーシングチューブ３１の外形に対応したリング状に形成されるとともに、上面内周部には、中径用補助作業デッキ３３の中径開口部３４の周囲を囲むようにして８個の前記内周側手摺部材２１を設置するための手摺取付部材３５が所定位置に設けられている。   When the medium diameter casing tube 31 is used, first, the medium diameter chuck 32 is attached to the inner peripheral side of the chuck 18 and the medium diameter auxiliary work deck 33 is fitted into the opening 19 of the work deck 20. Install it in a way. The auxiliary work deck for medium diameter 33 is formed in a ring shape whose outer diameter corresponds to the inner diameter of the opening 19 of the work deck 20, and whose inner diameter corresponds to the outer shape of the medium diameter casing tube 31. Are provided at predetermined positions with handrail attachment members 35 for installing the eight inner handrail members 21 so as to surround the middle diameter opening 34 of the medium diameter auxiliary work deck 33.

また、中径用補助作業デッキ３３の外周面上部に設置用上部フランジ３３ａを突設するとともに、作業デッキ２０の開口部１９の内周面下部に、前記設置用フランジ３３ａを載置する設置用下部フランジ１９ａ（図１参照）を設けておくことにより、中径用補助作業デッキ３３を設置する際の位置決めを確実に行えるとともに、作業デッキ２０の上面と中径用補助作業デッキ３３の上面とを面一にすることができ、作業時の安全性を確保することができる。   Further, an installation upper flange 33a projects from the upper outer peripheral surface of the medium-diameter auxiliary work deck 33, and the installation flange 33a is placed on the lower inner peripheral surface of the opening 19 of the work deck 20. By providing the lower flange 19a (see FIG. 1), positioning when installing the medium-diameter auxiliary work deck 33 can be performed reliably, and the upper surface of the work deck 20 and the upper surface of the medium-diameter auxiliary work deck 33 It is possible to ensure the safety during work.

このように、中径ケーシングチューブ３１を使用する際に、作業デッキ２０の開口部１９に中径用補助作業デッキ３３を設置するとともに、中径用補助作業デッキ３３に設けた手摺取付部材３５に内周側手摺部材２１を取り付けることにより、中径開口部３４を内周側手摺部材２１で囲むことができるので、中径ケーシングチューブ３１を使用したときの転落事故も防止することができる。また、大径ケーシングチューブ１７を使用するときと同じ内周側手摺部材２１を、設置数を減らして設置するようにしているので、専用の内周側手摺部材を製作して用意しておく場合に比べて、内周側手摺部材の製作コストや管理コストを低減することができる。   As described above, when the medium-diameter casing tube 31 is used, the medium-diameter auxiliary work deck 33 is installed in the opening 19 of the work deck 20 and the handrail mounting member 35 provided in the medium-diameter auxiliary work deck 33 is provided. By attaching the inner peripheral handrail member 21, the middle diameter opening 34 can be surrounded by the inner peripheral handrail member 21, so that a fall accident when the intermediate diameter casing tube 31 is used can also be prevented. Also, since the same inner peripheral handrail member 21 as when the large diameter casing tube 17 is used is installed with a reduced number of installations, a dedicated inner peripheral handrail member is prepared and prepared. As compared with the above, it is possible to reduce the manufacturing cost and management cost of the inner handrail member.

さらに、図５に示すように、中径ケーシングチューブ３１よりも小さな内径を有する小径ケーシングチューブ４１を使用して作業を行う際も、中径ケーシングチューブ３１を使用する場合と同様に、チャック１８の内周側に小径用チャック４２をそれぞれ取り付けるとともに、前記作業デッキ２０の開口部１９に小径用補助作業デッキ４３を嵌め込み、小径用補助作業デッキ４３の所定位置に設けた手摺取付部材４４に７個の内周側手摺部材２１を取り付け、小径用補助作業デッキ４３の小径開口部４５を囲むようにすればよい。   Further, as shown in FIG. 5, when the work is performed using the small diameter casing tube 41 having an inner diameter smaller than that of the medium diameter casing tube 31, as in the case of using the medium diameter casing tube 31, The small-diameter chuck 42 is attached to the inner peripheral side, and the small-diameter auxiliary work deck 43 is fitted into the opening 19 of the work deck 20, and seven pieces are attached to the handrail mounting member 44 provided at a predetermined position of the small-diameter auxiliary work deck 43. The inner peripheral side handrail member 21 may be attached so as to surround the small diameter opening 45 of the small diameter auxiliary work deck 43.

このように、使用するケーシングチューブの外径に対応した補助作業デッキを作業デッキの開口部に着脱可能な状態で嵌め込むとともに、補助作業デッキの開口部の大きさに応じて内周側手摺部材の設置数を変えて配置することにより、ケーシングチューブの径が小さい場合でも、作業の安全性を確保することができる。さらに、開口部の大きさに関係なく同じ内周側手摺部材を使用することにより、内周側手摺部材の製作コストの削減や管理する手間を省くことができる。   As described above, the auxiliary work deck corresponding to the outer diameter of the casing tube to be used is fitted into the opening of the work deck in a detachable state, and the inner handrail member according to the size of the opening of the auxiliary work deck By changing the number of the installations, even when the diameter of the casing tube is small, work safety can be ensured. Further, by using the same inner peripheral handrail member regardless of the size of the opening, the manufacturing cost of the inner peripheral handrail member can be reduced and the time and effort for management can be saved.

１１…ベースフレーム、１２…昇降シリンダ、１３…ドライブフレーム、１４…チャックシリンダ、１５…チャックフレーム、１６…ケーシングチューブ挿通孔、１７…大径ケーシングチューブ、１８…チャック、１９…開口部、１９ａ…設置用下部フランジ、２０…作業デッキ、２０ａ…拡幅デッキ、２１…内周側手摺部材、２２…外縁部側手摺部材、２１ａ，２２ａ…手摺部、２１ｂ，２２ｂ…中桟、２１ｃ，２２ｃ…支柱部、２３，２４…手摺取付部材、２５…抜け止め部材、３１…中径ケーシングチューブ、３２…中径用チャック、３３…中径用補助作業デッキ、３３ａ…設置用上部フランジ、３４…中径開口部、３５…手摺取付部材、４１…小径ケーシングチューブ、４２…小径用チャック、４３…小径用補助作業デッキ、４４…手摺取付部材、４５…小径開口部   DESCRIPTION OF SYMBOLS 11 ... Base frame, 12 ... Elevating cylinder, 13 ... Drive frame, 14 ... Chuck cylinder, 15 ... Chuck frame, 16 ... Casing tube insertion hole, 17 ... Large diameter casing tube, 18 ... Chuck, 19 ... Opening, 19a ... Lower flange for installation, 20 ... work deck, 20a ... wide deck, 21 ... inner side handrail member, 22 ... outer edge side handrail member, 21a, 22a ... handrail portion, 21b, 22b ... intermediate rail, 21c, 22c ... post 23, 24 ... handrail mounting member, 25 ... retaining member, 31 ... medium diameter casing tube, 32 ... medium diameter chuck, 33 ... medium diameter auxiliary work deck, 33a ... installation upper flange, 34 ... medium diameter Opening 35, handrail mounting member, 41 ... small diameter casing tube, 42 ... small diameter chuck, 43 ... small diameter auxiliary work deck, 44 ... Sliding the mounting member, 45 ... small-diameter opening

Claims (2)

地上に据え付けられるベースフレームと、該ベースフレームの上方に昇降シリンダを介して昇降可能に設けられたドライブフレームと、該ドライブフレームの上方にチャックシリンダを介して昇降可能に設けられたチャックフレームと、前記ベースフレーム、ドライブフレーム及びチャックフレームの中央部を鉛直方向に貫通するケーシングチューブ挿通孔とを備えたチュービング装置において、前記チャックフレームの上に、前記ケーシングチューブ挿通孔の内径に対応した内径を有する開口部を備えた作業デッキを設けるとともに、該作業デッキの前記開口部の周囲を囲む位置に、複数の着脱可能な手摺部材をリング状に配置したことを特徴とするチュービング装置。   A base frame installed on the ground, a drive frame provided above and below the base frame via an elevating cylinder, and a chuck frame provided above and below the drive frame via a chuck cylinder; In the tubing device having a casing tube insertion hole that vertically penetrates the central portion of the base frame, the drive frame, and the chuck frame, an inner diameter corresponding to the inner diameter of the casing tube insertion hole is provided on the chuck frame. A tubing apparatus comprising: a work deck having an opening; and a plurality of detachable handrail members arranged in a ring shape at a position surrounding the periphery of the work deck. 前記ケーシングチューブ挿通孔に比べて外径が小さなケーシングチューブを使用する際には、前記開口部の内周に、外径が小さな前記ケーシングチューブの外径に対応した内径を有する小径の開口部を備えた補助作業デッキを着脱可能に設けるとともに、該補助作業デッキの前記小径の開口部の周囲を囲む位置に、前記作業デッキの開口部の周囲に配置した前記手摺部材と同じ手摺部材を、前記作業デッキの開口部の周囲の配置数よりも少ない設置数でリング状に配置したことを特徴とする請求項１記載のチュービング装置。   When using a casing tube having a smaller outer diameter than the casing tube insertion hole, a small-diameter opening having an inner diameter corresponding to the outer diameter of the casing tube having a small outer diameter is provided on the inner periphery of the opening. The auxiliary work deck provided is detachably provided, and at the position surrounding the opening of the small diameter of the auxiliary work deck, the same handrail member as the handrail member arranged around the opening of the work deck, 2. The tubing device according to claim 1, wherein the tubing device is arranged in a ring shape with a smaller number of arrangements than the number of arrangements around the opening of the work deck.
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JP2020125614A (en) * 2019-02-04 2020-08-20 日本車輌製造株式会社 Tubing device and stage forming method for tubing device
JP2020125610A (en) * 2019-02-04 2020-08-20 日本車輌製造株式会社 Tubing device
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