JPH11130190A - Weld joint of panel assembly type storage tank - Google Patents
Weld joint of panel assembly type storage tankInfo
- Publication number
- JPH11130190A JPH11130190A JP9300473A JP30047397A JPH11130190A JP H11130190 A JPH11130190 A JP H11130190A JP 9300473 A JP9300473 A JP 9300473A JP 30047397 A JP30047397 A JP 30047397A JP H11130190 A JPH11130190 A JP H11130190A
- Authority
- JP
- Japan
- Prior art keywords
- panel
- flange
- storage tank
- end surface
- welded joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、パネル組立式貯
留槽を構成する上下パネルの上下端周縁部同士を溶接接
合する溶接継手に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a welded joint for welding upper and lower peripheral edges of upper and lower panels constituting a panel-assembled storage tank.
【０００２】[0002]
【従来の技術】液体貯留槽（例えば、水槽）は、円筒型
に形成することにより高強度であることが知られてい
る。図６は地上縦型円筒鋼製配水池の一般形状を示す正
面図、図７は、パネル組立式貯留槽の外観形状を示す正
面図、図８は、従来のパネル組立式貯留槽を構成するパ
ネル単体の一例を示す斜視図、図４は、従来のパネル組
立式貯留槽の溶接継手を示す横断面図、図５は、図４の
部分拡大図である。図４、図５において、Ａは貯留槽８
の外側、Ｂは内側を示す。図６に示す地上縦型円筒鋼製
配水池８を構成する図７に示すパネル組立式貯留槽８
は、従来は、図８に示すようなパネル１を、上下方向に
複数段積み重ねるとともに左右方向につなぎ合わせるこ
とにより円筒型に構成されている。パネル１は、四角形
の板体（パネル鋼板）が円弧状に形成されてなってお
り、パネル１には、その円周方向にわたり貯留槽８の外
側に突出する半円弧状の横断面からなるリブ９が２条設
けられている。パネル１の上下端の周縁部には、パネル
１の側板（板体）１０と直交方向（貯留槽８の内側）
に、それぞれ同方向に折り曲げられたフランジ２がパネ
ル１の円周方向にわたり形成されている。貯留槽８にお
いて、上側パネル１ａと下側パネル１ｂとの接合は、図
４、図５に示すように、互いに突き合わされた上側パネ
ル１ａの下端のフランジ２と下側パネル１ｂの上端のフ
ランジ２とを突合わせ隅肉溶接することによって行なわ
れている。３はその溶接継手部である（以下、「先行技
術」という）。2. Description of the Related Art It is known that a liquid storage tank (for example, a water tank) has a high strength by being formed in a cylindrical shape. FIG. 6 is a front view showing the general shape of a ground vertical cylindrical steel distribution reservoir, FIG. 7 is a front view showing the external shape of a panel-assembled storage tank, and FIG. 8 constitutes a conventional panel-assembled storage tank. FIG. 4 is a perspective view showing an example of a panel alone, FIG. 4 is a transverse sectional view showing a welded joint of a conventional panel-assembled storage tank, and FIG. 5 is a partially enlarged view of FIG. 4 and 5, A is a storage tank 8.
, B indicates the inside. The panel-assembled storage tank 8 shown in FIG. 7 that constitutes the above-ground vertical cylindrical steel distribution reservoir 8 shown in FIG.
Conventionally, a panel 1 as shown in FIG. 8 is formed in a cylindrical shape by stacking a plurality of panels in the up-down direction and connecting them in the left-right direction. The panel 1 has a quadrangular plate (panel steel plate) formed in an arc shape, and the panel 1 has a rib having a semicircular cross section that protrudes outside the storage tank 8 in the circumferential direction. 9 are provided in two articles. Peripheries at the upper and lower ends of the panel 1 are orthogonal to the side plates (plates) 10 of the panel 1 (inside the storage tank 8).
In addition, a flange 2 bent in the same direction is formed over the circumferential direction of the panel 1. In the storage tank 8, the upper panel 1a and the lower panel 1b are joined together as shown in FIGS. 4 and 5 by joining the lower end flange 2 of the upper panel 1a and the upper end flange 2 of the lower panel 1b. And is welded by fillet welding. Reference numeral 3 denotes the welded joint (hereinafter referred to as "prior art").
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上述し
た先行技術には以下のような問題がある。先行技術にお
いては、溶接継手部３は図４、図５に示すように、パネ
ル１の上下端周縁部において内側に折り曲げられたフラ
ンジ２、２を隅肉溶接で接合することによりなっている
が、このような溶接継手では、地震等により貯留槽８の
側板１０に曲げや図５中矢印に示す引張力６が負荷され
るとその際に切り欠きとなって応力集中部から亀裂が発
生し、パネル１のパネル鋼板自体に大きな変形や破損が
生じる以前に、溶接継手部３の部分から貯留槽８が破壊
に至る可能性がある。However, the above-mentioned prior art has the following problems. In the prior art, as shown in FIGS. 4 and 5, the weld joint portion 3 is formed by joining flanges 2 and 2 bent inward at upper and lower peripheral edges of the panel 1 by fillet welding. However, in such a welded joint, when the side plate 10 of the storage tank 8 is bent or a tensile force 6 shown by an arrow in FIG. 5 is applied due to an earthquake or the like, a cutout occurs at that time, and a crack is generated from the stress concentration portion. Before the panel steel plate of the panel 1 itself undergoes large deformation or breakage, the storage tank 8 may be broken from the portion of the weld joint 3.
【０００４】従って、この発明の目的は、上述の課題を
解決し、溶接継手部の亀裂の発生を極力防止して破壊の
生じ難い貯留槽を得ることができるパネル組立式貯留槽
の溶接継手を提供することにある。Accordingly, an object of the present invention is to provide a welded joint for a panel-assembled storage tank which solves the above-mentioned problems and which can minimize the occurrence of cracks in the welded joint to obtain a storage tank which is hardly broken. To provide.
【０００５】[0005]
【課題を解決するための手段】発明者らは、上述の課題
を解決するために研究を重ねた結果、パネルの上下端の
周縁部のフランジを、溶接継手部の応力集中を大幅に緩
和することができる形状とすることによって、パネルの
溶接継手部が側板部と同等以上の強度を確保することが
できることを知見した。この発明は、上述の知見に基づ
いてなされたものである。Means for Solving the Problems As a result of repeated studies to solve the above problems, the inventors have found that the flanges at the upper and lower edges of the panel are greatly reduced in stress concentration at the weld joint. It has been found that by adopting a shape that allows the panel to have a strength equal to or higher than that of the side plate portion, the welded joint portion of the panel can be secured. The present invention has been made based on the above findings.
【０００６】請求項１記載の発明は、円弧状に形成され
た四角形の板体からなるパネルを、複数枚上下方向およ
び左右方向に配置し溶接により接合してなるパネル組立
式貯留槽の上側に配置された前記パネルの下端周縁部と
下側に配置された前記パネルの上端周縁部との溶接継手
において、前記パネルの上下端の周縁部の各々には、前
記板体とほぼ直交方向に、且つそれぞれが同方向に向か
って突出するフランジが設けられており、それぞれの前
記フランジのうちのいずれか一方は、その先端部が前記
板体側に折り返されており、折り返されている前記先端
部の先端面と、他方の前記フランジの先端面とが突合せ
溶接により接合されていることに特徴を有するものであ
る。According to the first aspect of the present invention, a plurality of panels each formed of a quadrangular plate formed in an arc shape are arranged in the vertical and horizontal directions and joined by welding to the upper side of a panel-assembled storage tank. In a welded joint between the lower peripheral edge of the disposed panel and the upper peripheral edge of the panel disposed on the lower side, each of the upper and lower peripheral edges of the panel is substantially orthogonal to the plate body. And each of the flanges protruding in the same direction is provided, and one of the respective flanges has a front end portion folded back toward the plate body side, and the folded back end portion has It is characterized in that the front end surface and the front end surface of the other flange are joined by butt welding.
【０００７】請求項２記載の発明は、請求項１記載の溶
接継手において、前記一方のフランジは、折り返されて
いる前記先端部が湾曲した形状を有し、前記先端部と折
り返されていない部分との間に所定の間隔が設けられて
おり、他方の前記フランジは、前記一方のフランジの先
端面と突合せ溶接可能な位置にその先端面が位置するよ
うに形成されており、前記一方のフランジの先端面と、
前記他方のフランジの先端面とが突合せ溶接により接合
されていることに特徴を有するものである。According to a second aspect of the present invention, in the welded joint according to the first aspect, the one flange has a curved portion at the bent front end portion, and a portion that is not bent at the front end portion. The other flange is formed such that the front end surface thereof is located at a position where the front end surface of the one flange can be butt-welded, and the one flange is formed. And the tip face of
It is characterized in that the front end surface of the other flange is joined by butt welding.
【０００８】請求項３記載の発明は、請求項１または２
記載の溶接継手において、前記フランジのそれぞれには
突出部が形成されており、前記突出部同士を嵌め合わせ
て前記パネルを上下に配置することにより前記パネルの
位置が決定されることに特徴を有するものである。[0008] The invention described in claim 3 is claim 1 or 2.
In the welded joint described above, a protrusion is formed on each of the flanges, and the position of the panel is determined by fitting the protrusions and arranging the panel vertically. Things.
【０００９】[0009]
【発明の実施の形態】次に、この発明の実施の形態を図
面を参照しながら説明する。 〔実施の形態１〕図１は、この発明の実施の形態１に係
るパネル組立式貯留槽の溶接継手を示す横断面図、図２
は図１の部分拡大図である。図１、図２において、Ａは
貯留槽８の外側、Ｂは内側を示す。図６に示す地上縦型
円筒鋼製配水池７を構成する図７に示すパネル組立式貯
留槽８は、パネル１を、上下方向に複数段積み重ねると
共に左右方向につなぎ合わせることにより円筒型に構成
される。Next, an embodiment of the present invention will be described with reference to the drawings. Embodiment 1 FIG. 1 is a cross-sectional view showing a welded joint of a panel-assembled storage tank according to Embodiment 1 of the present invention, and FIG.
FIG. 2 is a partially enlarged view of FIG. 1 and 2, A indicates the outside of the storage tank 8, and B indicates the inside. The panel-assembled storage tank 8 shown in FIG. 7 that constitutes the above-ground vertical cylindrical steel distribution reservoir 7 shown in FIG. 6 is formed in a cylindrical shape by stacking the panels 1 in a plurality of stages vertically and connecting them in the left-right direction. Is done.
【００１０】図１、図２に示すように、パネル１の上端
周縁部には、パネル１の側板（板体）１０と直交方向
で、貯留槽８（図７参照）の内側に折り曲げられた上フ
ランジ２ｂがパネル１の円周方向にわたり形成されてい
る。上フランジ２ｂの先端部には上フランジ２ｂの基部
に向けて上側に湾曲状に折り返された折り返し部４ｂが
形成されている。そして、折り返し部４ｂと折り返され
ていない部分４ｃとの間には、所定の間隔が設けられて
いる。折り返し部４ｂは、パネル１の円周方向にわたり
形成されている。As shown in FIGS. 1 and 2, the upper edge of the panel 1 is bent inside the storage tank 8 (see FIG. 7) in a direction orthogonal to the side plate (plate) 10 of the panel 1. The upper flange 2b is formed over the circumferential direction of the panel 1. At the tip of the upper flange 2b, there is formed a folded portion 4b which is folded upward in a curved shape toward the base of the upper flange 2b. A predetermined interval is provided between the folded portion 4b and the unfolded portion 4c. The folded portion 4b is formed over the circumferential direction of the panel 1.
【００１１】パネル１の下端周縁部には、パネル１の側
板（板体）１０と直交方向で貯留槽８（図７参照）の内
側に折り曲げられた下フランジ２ａがパネル１の円周方
向にわたり形成されている。下フランジ２ａは、上フラ
ンジ２ｂの先端面と突合せ溶接するために、側板１０か
らすぐにＲ加工されて上側に湾曲して折り曲げられて折
り曲がり部４ａが形成されている。折り曲がり部４ａ
も、パネル１の円周方向にわたり形成されている。A lower flange 2a bent inward in the storage tank 8 (see FIG. 7) in a direction perpendicular to the side plate (plate body) 10 of the panel 1 extends along the circumferential direction of the panel 1 at the peripheral edge of the lower end of the panel 1. Is formed. The lower flange 2a is immediately rounded from the side plate 10 and is bent upward to bend to form a bent portion 4a in order to butt-weld the distal end surface of the upper flange 2b. Bending part 4a
Are formed over the circumferential direction of the panel 1.
【００１２】このように形成されたパネル１は、上側パ
ネル１ａが下側パネル１ｂに積み重ねられたときに、下
フランジ２ａの折り曲がり部４ａの先端面と、上フラン
ジ２ｂの折り返し部４ｂの先端面とが、突合せ溶接可能
な位置まで接近する。When the upper panel 1a is stacked on the lower panel 1b, the panel 1 formed as described above has a front end surface of the bent portion 4a of the lower flange 2a and a front end of the folded portion 4b of the upper flange 2b. The surface approaches the position where butt welding is possible.
【００１３】このように、上下フランジ２ｂ、２ａをＲ
加工して湾曲状に形成することにより、そのまま折り曲
げるよりも応力集中を大幅に緩和することができ有利で
ある。そのまま折り曲げて使用することもできる。As described above, the upper and lower flanges 2b and 2a are
By processing and forming in a curved shape, stress concentration can be remarkably eased as compared with bending as it is, which is advantageous. It can be folded and used as it is.
【００１４】このような、パネル１の上下端部の図１、
図２に示すようなフランジ形状の加工は、貯留槽８を組
立施工する以前に工場等の他所において実施しておくと
よい。As shown in FIG.
The processing of the flange shape as shown in FIG. 2 may be performed at another place such as a factory before the storage tank 8 is assembled.
【００１５】本発明溶接継手は、下側パネル１ｂの上側
に上側パネル１ａを積み重ね配置し、下フランジ２ａの
先端面と上フランジ２ｂの先端面とを突合せ隅肉溶接に
より接合することによりなっている。３はその溶接継手
部である。The welded joint of the present invention is obtained by stacking and disposing the upper panel 1a on the upper side of the lower panel 1b, and joining the distal end surface of the lower flange 2a and the distal end surface of the upper flange 2b by butt fillet welding. I have. 3 is the weld joint.
【００１６】このようにして接合された本発明溶接継手
によれば、上側パネル１ａの下端周縁部の下フランジ２
ａと溶接継手部３と下側パネル１ｂの上端周縁部の上フ
ランジ２ｂとが、同一横断面内でほぼ直線状に配置され
るため、切り欠き形状とならない。また、下フランジ２
ａの折り返し部４ｂについては、適度な湾曲形状のＲ加
工が施されているため、応力集中が大幅に緩和できる。According to the welded joint of the present invention thus joined, the lower flange 2 at the lower peripheral edge of the upper panel 1a is provided.
a, the welded joint portion 3, and the upper flange 2b of the upper end peripheral portion of the lower panel 1b are arranged substantially linearly in the same cross section, so that they do not have a notched shape. In addition, lower flange 2
As for the turn-back portion 4b of a, the rounding of the moderately curved shape is performed, so that the stress concentration can be greatly reduced.
【００１７】上記のように加工が施こされたパネル１を
貯留槽８の施工現地において鉛直方向に積み重ね、上下
端周縁部を突合せ溶接することで、パネル１同士が一体
化し高強度な円筒型貯留槽が得られる。The panels 1 processed as described above are vertically stacked at the construction site of the storage tank 8, and the upper and lower peripheral edges are butt-welded to integrate the panels 1 into a high-strength cylindrical mold. A storage tank is obtained.
【００１８】〔実施の形態２〕図３は、この発明の実施
の形態２に係るパネル組立式貯留槽の溶接継手を示す横
断面図である。図３において、Ａは貯留槽８の外側、Ｂ
は内側を示す。図３に示すように、本実施の形態は、実
施の形態１に係る溶接継手に、更に、パネル１（下側パ
ネル１ｂ）の上フランジ２ｂの基部に、上側に突出して
なる波形の突出部５ｂが形成され、パネル１（上側パネ
ル１ａ）の下フランジ２ａには上フランジ２ｂの突出部
５ｂとほぼ相似の形状を有する波形の突出部５ａが形成
されている。突出部５ａ、５ｂも、パネル１の円周方向
にわたり形成されている。Embodiment 2 FIG. 3 is a cross-sectional view showing a welded joint of a panel-assembled storage tank according to Embodiment 2 of the present invention. In FIG. 3, A is outside the storage tank 8 and B is
Indicates the inside. As shown in FIG. 3, the present embodiment is different from the welded joint according to the first embodiment in that, in addition to the base of the upper flange 2 b of the panel 1 (the lower panel 1 b), a wavy projecting portion that projects upward. 5b, and a corrugated protrusion 5a having a shape substantially similar to the protrusion 5b of the upper flange 2b is formed on the lower flange 2a of the panel 1 (upper panel 1a). The protruding portions 5a and 5b are also formed over the circumferential direction of the panel 1.
【００１９】本実施の形態によれば、実施の形態１と同
様に、切り欠き形状とならず、応力集中が大幅に緩和で
きると共に、上フランジ２ｂの突出部５ｂに下フランジ
２ａの突出部５ａを嵌め合わせて上下パネル１ａと１ｂ
とを配置することにより上下パネルの位置が決定され、
このようにしてパネル１を積み重ねるだけで自動的に芯
出しができる特徴も兼ね備えている。According to the present embodiment, similarly to the first embodiment, not a notched shape, stress concentration can be remarkably reduced, and the protrusion 5a of the lower flange 2a is connected to the protrusion 5b of the upper flange 2b. And the upper and lower panels 1a and 1b
By arranging and the position of the upper and lower panels is determined,
In this way, it has a feature that the centering can be automatically performed only by stacking the panels 1.
【００２０】[0020]
【発明の効果】以上説明したように、この発明によれ
ば、従来と比べて高強度で信頼性が高い溶接継手が提供
でき、パネルの位置決めも容易となり、かくして、有用
な効果がもたらされる。As described above, according to the present invention, it is possible to provide a welded joint having high strength and high reliability as compared with the related art, and to facilitate the positioning of the panel, thus providing useful effects.
【図１】この発明の実施の形態１に係るパネル組立式貯
留槽の溶接継手を示す横断面図である。FIG. 1 is a cross-sectional view showing a welded joint of a panel-assembled storage tank according to Embodiment 1 of the present invention.
【図２】図１の部分拡大図である。FIG. 2 is a partially enlarged view of FIG.
【図３】この発明の実施の形態２に係るパネル組立式貯
留槽の溶接継手を示す横断面図である。FIG. 3 is a transverse sectional view showing a welded joint of a panel-assembled storage tank according to Embodiment 2 of the present invention.
【図４】従来のパネル組立式貯留槽の溶接継手を示す横
断面図である。FIG. 4 is a cross-sectional view showing a welded joint of a conventional panel-assembled storage tank.
【図５】図４の部分拡大図である。FIG. 5 is a partially enlarged view of FIG. 4;
【図６】地上縦型円筒鋼製配水池の一般的な形状を示す
正面図である。FIG. 6 is a front view showing a general shape of a ground vertical cylindrical steel distribution reservoir.
【図７】パネル組立式貯留槽の外観形状を示す正面図で
ある。FIG. 7 is a front view showing an external shape of the panel-assembled storage tank.
【図８】従来のパネル組立式貯留槽用のパネル単体の一
例を示す斜視図である。FIG. 8 is a perspective view showing an example of a conventional panel unit for a panel storage tank.
１：パネル １ａ：上側パネル １ｂ：下側パネル ２：フランジ ２ａ：パネル下端周縁部の下フランジ ２ｂ：パネル上端周縁部の上フランジ ３：溶接継手部 ４ａ：折り曲がり部 ４ｂ：折り返し部 ４ｃ：折り返されていない部分 ５ａ：下フランジの突出部 ５ｂ：上フランジの突出部 ６：引張力 ７：地上縦型円筒鋼製配水池 ８：パネル組立式貯留槽 ９：リブ １０：側板 Ａ：貯留槽の外側 Ｂ：貯留槽の内側 1: Panel 1a: Upper panel 1b: Lower panel 2: Flange 2a: Lower flange of lower edge of panel 2b: Upper flange of upper edge of panel 3: Weld joint 4a: Bend 4b: Fold 4c: Fold 5a: Projection of the lower flange 5b: Projection of the upper flange 6: Tensile force 7: Distribution tank made of vertical vertical cylindrical steel 8: Panel storage tank 9: Rib 10: Side plate A: Storage tank Outside B: Inside the storage tank
Claims (3)
るパネルを、複数枚上下方向および左右方向に配置し溶
接により接合してなるパネル組立式貯留槽の上側に配置
された前記パネルの下端周縁部と下側に配置された前記
パネルの上端周縁部との溶接継手において、前記パネル
の上下端の周縁部の各々には、前記板体とほぼ直交方向
に、且つそれぞれが同方向に向かって突出するフランジ
が設けられており、それぞれの前記フランジのうちのい
ずれか一方は、その先端部が前記板体側に折り返されて
おり、折り返されている前記先端部の先端面と、他方の
前記フランジの先端面とが突合せ溶接により接合されて
いることを特徴とするパネル組立式貯留槽の溶接継手。1. A panel, comprising: a plurality of panels each having a rectangular plate body formed in an arc shape and arranged in a vertical direction and a horizontal direction, and joined by welding; In a welded joint between the lower peripheral edge and the upper peripheral edge of the panel disposed on the lower side, each of the upper and lower peripheral edges of the panel is substantially perpendicular to the plate body, and each is in the same direction. A flange protruding toward the front side is provided, and one of the flanges has a front end portion folded back toward the plate body side, and a front end surface of the folded back end portion and the other end surface are provided. A welded joint for a panel-assembled storage tank, wherein a front end surface of the flange is joined by butt welding.
る前記先端部が湾曲した形状を有し、前記先端部と折り
返されていない部分との間に所定の間隔が設けられてお
り、他方の前記フランジは、前記一方のフランジの先端
面と突合せ溶接可能な位置にその先端面が位置するよう
に形成されており、前記一方のフランジの先端面と、前
記他方のフランジの先端面とが突合せ溶接により接合さ
れていることを特徴とする請求項１記載の溶接継手。2. The one of the flanges, wherein the bent front end has a curved shape, a predetermined interval is provided between the front end and a non-returned portion, and The flange is formed such that the front end surface thereof is located at a position where the front end surface of the one flange can be butt-welded, and the front end surface of the one flange and the front end surface of the other flange abut. The welded joint according to claim 1, wherein the joint is joined by welding.
成されており、前記突出部同士を嵌め合わせて前記パネ
ルを上下に配置することにより前記パネルの位置が決定
されることを特徴とする請求項１または２記載の溶接継
手。3. A projection is formed on each of the flanges, and the position of the panel is determined by fitting the projections and arranging the panel up and down. Item 3. The welded joint according to item 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9300473A JPH11130190A (en) | 1997-10-31 | 1997-10-31 | Weld joint of panel assembly type storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9300473A JPH11130190A (en) | 1997-10-31 | 1997-10-31 | Weld joint of panel assembly type storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11130190A true JPH11130190A (en) | 1999-05-18 |
Family
ID=17885227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9300473A Pending JPH11130190A (en) | 1997-10-31 | 1997-10-31 | Weld joint of panel assembly type storage tank |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11130190A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100756267B1 (en) * | 2006-04-24 | 2007-09-06 | 권성룡 | Round-shaped water tank constructed with wave sectional stainless steel cylindrical unit |
| KR100756268B1 (en) | 2006-04-24 | 2007-09-06 | 권성룡 | Round-shaped water tank with dual structure preparatory tank |
| JP2019155416A (en) * | 2018-03-12 | 2019-09-19 | Ｊｆｅエンジニアリング株式会社 | Welding carriage for reinforcement belt |
-
1997
- 1997-10-31 JP JP9300473A patent/JPH11130190A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100756267B1 (en) * | 2006-04-24 | 2007-09-06 | 권성룡 | Round-shaped water tank constructed with wave sectional stainless steel cylindrical unit |
| KR100756268B1 (en) | 2006-04-24 | 2007-09-06 | 권성룡 | Round-shaped water tank with dual structure preparatory tank |
| JP2019155416A (en) * | 2018-03-12 | 2019-09-19 | Ｊｆｅエンジニアリング株式会社 | Welding carriage for reinforcement belt |
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