JPH054219A - Method and apparatus for manufacturing hollow concrete molding member - Google Patents

Method and apparatus for manufacturing hollow concrete molding member

Info

Publication number
JPH054219A
JPH054219A JP18352491A JP18352491A JPH054219A JP H054219 A JPH054219 A JP H054219A JP 18352491 A JP18352491 A JP 18352491A JP 18352491 A JP18352491 A JP 18352491A JP H054219 A JPH054219 A JP H054219A
Authority
JP
Japan
Prior art keywords
concrete
mold
formwork
shaped
gap
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
Application number
JP18352491A
Other languages
Japanese (ja)
Inventor
Yukio Yamamoto
幸男 山本
Hiroshi Nakane
博 中根
Original Assignee
Prefab Kiko Kk
プレハブ機工株式会社
Ooki Kensetsu Kk
大木建設株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Prefab Kiko Kk, プレハブ機工株式会社, Ooki Kensetsu Kk, 大木建設株式会社 filed Critical Prefab Kiko Kk
Priority to JP18352491A priority Critical patent/JPH054219A/en
Publication of JPH054219A publication Critical patent/JPH054219A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To simply and certainly perform filling work in a rear surface part hard to perform the filling with concrete in the manufacture of a hollow concrete molding member. CONSTITUTION:A cylindrical retaining mold 2 is arranged inside an outer retaining mold 1 having an L-shaped cross section so as to provide a definite gap between both molds and the gap part 8 formed into an L-shape is filled with concrete only in its longitudinal direction. Next, the concrete filled part is covered with a plate-shaped reinforcing outer retaining mold 3 to fix the mold 3 to the outer retaining mold 1. Thereafter, the whole of the retaining molds is rotated by 90 deg. around the bent part 12 of the L-shaped outer retaining mold 1 and the side surface part and upper surface part of the gap part are filled with concrete after rotation and the previously filled concrete 10a is unified with the later filled concrete 10b to manufacture a hollow concrete molding member.

Description

【発明の詳細な説明】Detailed Description of the Invention
【0001】[0001]
【産業上の利用分野】本願発明は、鉄筋コンクリート構
造物、鉄筋鉄骨コンクリート構造物等の構造物において
用いられる内部にコンクリートを充填して柱を作る中空
コンクリート成型部材の製造方法及びその製造装置に関
する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a hollow concrete molded member and a manufacturing apparatus therefor, which is used in a structure such as a reinforced concrete structure or a reinforced steel frame concrete structure to form a column by filling the inside with concrete.
【0002】[0002]
【従来の技術】近年建築現場では、型枠、支保工など仮
設材の大量投入、労務作業員の集中配備、型枠組立・解
体時の安全性、大量のく体部に対する一定品質の確保な
ど施工性における諸問題があり、現場作業の安全かつ省
力化した工法の開発が急務となっている。
2. Description of the Related Art In recent years, at construction sites, large amounts of temporary materials such as formwork and supporting work, concentrated deployment of labor workers, safety during formwork assembly and disassembly, ensuring a certain quality for a large amount of body parts, etc. Due to various problems in workability, it is an urgent task to develop a safe and labor-saving construction method for on-site work.
【0003】これらの諸問題を解決する方法の一つとし
て、型枠兼用の中空コンクリート成型部材を工場生産し
ておき、これを現場にて主筋に被嵌し、その内部にコン
クリートを打設することにより、建築物の柱・梁・ある
いは桁等を構築する合成工法がある。
As one of the methods for solving these various problems, a hollow concrete molding member that also serves as a formwork is produced in a factory, and the main reinforcement is fitted on site and concrete is placed therein. Therefore, there is a synthetic method for building columns, beams, or girders of buildings.
【0004】このような工法に用いられる中空コンクリ
ート成型部材の製造法としては、断面U字状をしたコン
クリート部材を製造し、これを2つ向合わせて結合し筒
状体の部材とする方法や、初めから円筒形をした部材を
製造するために筒状体をした外型枠とその内部に配置さ
れる少し小さい内型枠を縦方向に準備し、該外型枠と該
内型枠の間にコンクリートを流し込む方法や、断面U字
状をした外型枠とその内部に配置される筒状をした内型
枠を横方向に準備し、該外型枠にバイブレータ等を設備
し、作動させながら該外型枠と該内型枠の間にコンクリ
ートを充填する方法などがある。
As a method of manufacturing a hollow concrete molded member used in such a construction method, a method of manufacturing a concrete member having a U-shaped cross section and joining two of them facing each other to form a cylindrical member, In order to manufacture a member having a cylindrical shape from the beginning, a cylindrical outer mold and a slightly smaller inner mold arranged inside the cylinder are prepared in the vertical direction, and the outer mold and the inner mold are A method of pouring concrete between them, or an outer formwork having a U-shaped cross section and a cylindrical inner formwork to be placed inside thereof are prepared in the lateral direction, and a vibrator or the like is installed on the outer formwork to operate. There is a method in which concrete is filled between the outer mold and the inner mold while being allowed to do so.
【0005】[0005]
【解決しようとする課題】しかし、断面U字状型をした
コンクリート部材を2つ向合せて結合する方法では、互
いに完成された部材を結合するための煩雑な手間を有す
るという欠点がある。また、剪断補強筋であるフープ筋
等を挿入することも困難である。
However, the method of joining two concrete members having a U-shaped cross-section facing each other has a drawback in that it is troublesome to join the completed members to each other. It is also difficult to insert a hoop muscle or the like which is a shear reinforcement muscle.
【0006】筒状体した外型枠と内型枠を縦に準備し、
その間にコンクリートを充填し、結合部分をなくすとと
もにフープ筋等の剪断補強筋を挿入可能にした方法では
縦方向に長さがあるため、コンクリートの充填作業が煩
雑になるとともに充填したコンクリートがブリージング
を起こし、部材全体の強度が不均一になってしまうとい
う懸念を伴う。
A tubular outer mold and an inner mold are vertically prepared,
In the method of filling the concrete in the meantime, eliminating the joints and allowing the insertion of shear reinforcements such as hoops, there is a length in the longitudinal direction, so the concrete filling work becomes complicated and the filled concrete does not breathe. There is a concern that the strength of the entire member will be uneven.
【0007】さらに、断面U字状をした外型枠を横方向
に準備し、その内部に筒状体をした内型枠を配備し、バ
イブレータを作動させながらコンクリートを充填する方
法ではコンクリートの自重による充填よりは充填しやす
いが、それでも型枠の下面隙間部へのコンクリートの充
填は困難であり、完全な充填がされているか否かの確認
をすることができないものであった。
Furthermore, in the method of preparing an outer formwork having a U-shaped cross section in the lateral direction, arranging an inner formwork having a cylindrical body inside thereof, and filling concrete while operating a vibrator, the weight of the concrete itself is reduced. Although it is easier to fill than the filling by the method, it is still difficult to fill the space in the lower surface of the formwork with concrete, and it has not been possible to confirm whether or not the filling is complete.
【0008】本願発明は、このような課題に対処しよう
とするものであり、以下の記載の発明の完成によりその
目的を達成することができたものである。
The present invention is intended to address such a problem, and has achieved its object by completing the invention described below.
【0009】[0009]
【課題を解決するための手段】本願発明は、断面L字状
をした横長の外型枠とその内側に配置される筒状の内型
枠を該外型と該内型枠が一定の隙間を有するように、か
つ、形成された側部の隙間部を閉塞するように側型枠を
介して固定すると共に、型枠全体が該外型枠の曲折部を
軸として回動可能となるようにした製造装置を用いて行
うものであり、L字状の形成された隙間部のうち縦方向
の隙間にのみコンクリートを充填する工程と、充填後外
型枠の一側部と同形状をした板状の補助用外型枠により
該コンクリート充填部面を被覆固定し、全体として外型
枠がコ字状と成るようにする工程と、その後型枠全体を
L字状をした外型枠の曲折部を軸として90°回転させ
コンクリート充填部が下面部となり、全体として外型枠
がU字状となるようにする工程と、回転後先に充填した
コンクリートが硬化しないうちに連続作業にて、残りの
隙間部である縦方向の隙間部及び上面隙間部にコンクリ
ートを充填し、先に充填したコンクリートと後に充填し
たコンクリートを一体とする工程により中空コンクリー
ト成型部材を製造しようとするものである。
According to the present invention, a horizontally long outer mold having an L-shaped cross section and a cylindrical inner mold arranged inside thereof are provided with a constant gap between the outer mold and the inner mold. And is fixed via a side mold so as to close the formed gap portion of the side part, and the whole mold is rotatable about the bent part of the outer mold. The step of filling concrete only in the longitudinal gap among the L-shaped gaps formed, and the same shape as one side of the outer formwork after filling are performed. A step of covering and fixing the surface of the concrete-filled portion with a plate-shaped auxiliary outer mold so that the outer mold becomes U-shaped as a whole, and thereafter, the entire mold is L-shaped. Rotate 90 degrees around the bent part as the axis, the concrete filling part becomes the bottom part, and the outer formwork becomes U-shaped as a whole. In the continuous process before the concrete filled after the rotation and the step of rotating, the remaining gaps are filled with concrete in the longitudinal gaps and the upper face gaps, and the previously filled concrete and the It is intended to manufacture a hollow concrete molded member by a process of integrating filled concrete.
【0010】この際、予め内型枠にフープ筋等の剪断補
強材を所要の間隔で嵌装しておいてもよい。
At this time, a shear reinforcing material such as a hoop muscle may be fitted to the inner mold in advance at a required interval.
【0011】[0011]
【作用】コンクリートの充填工程において型枠全体を9
0°回転させるということにより、コンクリートの充填
がすべて直線方向にて行え、コンクリートが充填しずら
い下面部におけるコンクリートの充填において、空隙が
生じたりすることなく完全なコンクリートの充填が行
え、側面部や上面部においても従来通りの方向にて簡単
にかつ完全に充填することができる。
[Function] The entire formwork is 9 times in the concrete filling process.
By rotating 0 °, the concrete can be completely filled in the straight direction, and the concrete can be completely filled without any voids in the concrete filling on the lower surface where it is difficult to fill the concrete. It is possible to easily and completely fill the upper surface and the upper surface in the conventional direction.
【0012】[0012]
【実施例】本願発明の製造法は図1に示す製造装置
(A)を用いて行われる。この装置は、断面L字状をし
た横長の外型枠(1)と、その内側に一定の隙間部
(8)を有して配置される筒状をした内型枠(2)と、
該外型枠(1)と該内型枠(2)を固着するとともに側
部の隙間部を閉塞するための側型枠(4)と、外型枠
(1)の一側部と同形状の板状をした補助用外型枠
(3)からなるものであり、L字状をした外型枠(1)
を曲折部(12)の回転ヒンジ部(5)を軸として回動
自在になっている。
EXAMPLES The manufacturing method of the present invention is carried out by using the manufacturing apparatus (A) shown in FIG. This apparatus comprises a laterally long outer formwork (1) having an L-shaped cross section, and a cylindrical inner formwork (2) arranged with a constant clearance (8) inside thereof.
A side mold (4) for fixing the outer mold (1) and the inner mold (2) and closing a gap in the side, and the same shape as one side of the outer mold (1) The external formwork (3) in the form of a plate, which is L-shaped,
Is rotatable about the rotary hinge portion (5) of the bent portion (12).
【0013】回動手段は、外型枠のL字状をした端部
で、長手方向任意の個所に輪状の係止片(9)を設け、
係止片(9)に図示しないクレーンの爪を引っ掛けて行
うようにするが、手作業により行っても良いし、モータ
などの駆動手段を用いても良く特に限られたものではな
い。係止片(9)はL字状をした外型枠の他端にも設け
られている。
The rotating means is an L-shaped end portion of the outer mold, and a ring-shaped locking piece (9) is provided at an arbitrary position in the longitudinal direction,
The hook (9), not shown, is hooked on the locking piece (9), but it may be carried out manually or by using a driving means such as a motor, which is not particularly limited. The locking piece (9) is also provided at the other end of the L-shaped outer mold.
【0014】側型枠(4)は、外型枠(1)又は内型枠
(2)と一体形成されていても差し支えないが、コンク
リート硬化後の脱型作業を考慮して取外し可能にした方
が良い。又、側型枠(4)は、内型枠(2)の外周と同
等の大きさの中空部を有すると共に隙間部と同等の幅を
有する輪状としても良いし、該外型枠(1)と該内型枠
(2)の側面部全体を覆するようにした平面状としても
差し支えない。
The side formwork (4) may be formed integrally with the outer formwork (1) or the inner formwork (2), but it is removable in consideration of demolding work after hardening of concrete. Better Further, the side formwork (4) may have a hollow shape having the same size as the outer circumference of the inner formwork (2) and may have a ring shape having the same width as the gap part, and the outer formwork (1) Also, the inner formwork (2) may be planar so as to cover the entire side surface of the inner formwork (2).
【0015】内型枠(2)はコンクリート硬化後の脱型
作業を考慮して取外しし易いように数枚の板状部材から
なるようにすると良いが、ゴムなどの可撓性部材により
一体成形された筒状の型枠であって、中空部に圧縮空気
を充填し保形するようにしたものでも良い。
The inner formwork (2) may be composed of several plate-like members so as to be easily removed in consideration of the demolding work after hardening of concrete, but it is integrally molded by a flexible member such as rubber. It is also possible to use a hollow cylindrical formwork in which the hollow part is filled with compressed air to retain its shape.
【0016】この場合の内型枠用板状部材の組合せは図
3に示すように斜めの接合面を有する2枚の部材(2
b,2c又2e,2f)を縦に結合し、部材がずれない
ようにピン等で固定することにより両側面を形成し、次
いで、上面(2d)及び下面(2a)を組合せることに
より形がくずれることがなく内型枠(2)が形成され
る。
In this case, the combination of the plate-shaped members for the inner formwork is, as shown in FIG. 3, two members (2
b, 2c or 2e, 2f) are connected vertically and fixed with pins so that the members do not shift to form both side surfaces, and then the upper surface (2d) and the lower surface (2a) are combined to form The inner mold form (2) is formed without breaking down.
【0017】さらに、内型枠(2)の外周面には多数の
突起(7)が形成されている。この突起(7)は、成形
後の中空コンクリート部材の内面に多数の凹部(11)
ができるようにしたものであり、中空内への後打ちコン
クリートとの喰いつきを良くし、一体性を確保するため
のものである。
Further, a large number of protrusions (7) are formed on the outer peripheral surface of the inner mold (2). This protrusion (7) has a large number of recesses (11) on the inner surface of the hollow concrete member after molding.
The purpose of this is to improve the bite with the post-cast concrete in the hollow and to secure the integrity.
【0018】上記のような構成からなる装置は、初めに
外型枠(1)の長手方向両端に側型枠(4)を取付け、
次いで複数のフープ筋等の剪断補強筋(6・・6)を所
定の間隔に配置し、その後板状をした内型枠(2)を剪
断補強筋(6・・6)の中空内で組立て、外型枠(1)
及び側型枠(4)と一体とする。この時点では補強用外
型枠(3)は装置から除かれている。
In the apparatus having the above-mentioned structure, first, side molds (4) are attached to both longitudinal ends of the outer mold (1),
Next, a plurality of shear reinforcements (6 ... 6) such as hoop reinforcements are arranged at predetermined intervals, and then a plate-shaped inner formwork (2) is assembled in the hollow of the shear reinforcement reinforcements (6 ... 6). , Outer formwork (1)
And the side formwork (4). At this point, the stiffening outer formwork (3) has been removed from the device.
【0019】組立てられた装置は図2に示すように外型
枠(1)と内型枠(2)の間にL字状をした5cm程度
の隙間部(8)を有し、まず初めに縦方向の隙間部にの
みコンクリート(10)を充填する。コンクリートは自
重により隙間なくスムーズに充填される。
As shown in FIG. 2, the assembled device has an L-shaped gap (8) of about 5 cm between the outer mold (1) and the inner mold (2). Concrete (10) is filled only in the gaps in the vertical direction. The concrete is filled smoothly without any gap due to its own weight.
【0020】縦方向の充填が終了した後、上面に蓋をす
るように補強用外型枠(3)を被覆、固定し、全体とし
て外型枠が断面コ字状となるようにする。
After the vertical filling is completed, the reinforcing outer form (3) is covered and fixed so as to cover the upper surface so that the outer form has a U-shaped cross section as a whole.
【0021】次いで、コンクリート(10)が充填され
た部分が下面となるように型枠全体を、L字状をした外
型枠(1)の曲折部(12)の回転ヒンジ部(5)を軸
として90°回転させ、全体として外型枠が断面U字状
となるようにする。
Then, the entire formwork is placed so that the portion filled with concrete (10) is the lower surface, and the rotary hinge part (5) of the bent part (12) of the L-shaped outer formwork (1) is attached. Rotate the shaft by 90 ° so that the outer formwork has a U-shaped cross section as a whole.
【0022】その後、先に充填したコンクリート(10
a)が硬化しないうちに連続作業にて、残りの隙間部で
ある側面部及び上面部にコンクリート(10b)を充填
してコンクリート全体が筒状となるように一体化させ
る。
Then, the previously filled concrete (10
In a continuous operation before the hardening of a), the side surfaces and the upper surface, which are the remaining gaps, are filled with concrete (10b) and integrated so that the whole concrete becomes a tubular shape.
【0023】このように充填されたコンクリートは、硬
化後、補強用外型枠(3)及び側型枠(4)及び内型枠
(2)を取外し、外型枠(1)から脱型して中空コンク
リート部材(B)として用いられる。
After the concrete thus filled is hardened, the reinforcing outer formwork (3), the side formwork (4) and the inner formwork (2) are removed and removed from the outer formwork (1). Used as a hollow concrete member (B).
【0024】尚、内型枠(2)の取外し方は、組立てた
順序と逆に行えばよく、6板の板状部材のうち、上面及
び下面である(2a)及び(2d)を取外し、次いで、
2枚の部材が接合された側面の斜め接合面に添って取外
し易い(2b)及び(2f)を取外し、最後に(2c)
及び(2e)を取外すようにする。
The inner formwork (2) can be removed by reversing the order of assembling. Of the 6 plate members, the upper and lower surfaces (2a) and (2d) are removed. Then
Easy to remove (2b) and (2f) along the diagonal joint surface of the side where the two members are joined, and finally (2c)
And (2e) are removed.
【0025】[0025]
【効果】以上のように、本願発明は中空コンクリート部
材の製造におけるコンクリートの充填作業工程を、大き
く二段階に分けて行なうようにしたことによりコンクリ
ートの充填がしずらかった下面部へのコンクリート充填
を、充填し易い縦方向によって行なうことができ、コン
クリートの充填がスムーズ、かつ、隙間なく完全にコン
クリートを充填することができる。
[Effects] As described above, according to the present invention, the concrete filling work process in the production of the hollow concrete member is performed in two major steps, so that it is difficult to fill the concrete with the lower surface portion. The filling can be performed in the vertical direction, which is easy to fill, so that the concrete can be filled smoothly and completely without gaps.
【0026】また、従来の充填方法ように下面部に空隙
部が生じてしまう恐れがないので、品質の安定したもの
を常に提供することができる。
Further, unlike the conventional filling method, there is no possibility that a void is formed in the lower surface portion, so that it is possible to always provide a product of stable quality.
【図面の簡単な説明】[Brief description of drawings]
【図1】本願発明の製造方法を実施するのに用いられる
製造装置の斜視図。
FIG. 1 is a perspective view of a manufacturing apparatus used to carry out a manufacturing method of the present invention.
【図2】本願発明の製造方法の手順を示す製造装置の断
面図。
FIG. 2 is a cross-sectional view of a manufacturing apparatus showing the procedure of the manufacturing method of the present invention.
【図3】本願発明の製造方法にてコンクリートの充填を
行った充填完了斜視図。
FIG. 3 is a perspective view of completion of filling of concrete by the manufacturing method of the present invention.
【図4】完成品である中空コンクリート部材を示す斜視
図。
FIG. 4 is a perspective view showing a hollow concrete member which is a finished product.
【符号の説明】[Explanation of symbols]
A・・・中空コンクリート成型部材製造装置 B・・・中空コンクリート部材 1・・・外型枠 2・・・内型枠 3・・・補助用外型枠 4・・・側型枠 5・・・回転ヒンジ部 6・・・剪断補強筋 7・・・突起 8・・・隙間部 9・・・係止片 10・・・コンクリート 11・・・凹部 12・・・曲折部 A: Hollow concrete molding member manufacturing equipment B: Hollow concrete member 1 ... Outer formwork 2 ... Inner formwork 3 ... Auxiliary outer formwork 4 ... Side formwork 5 ... Rotating hinge 6 ... Shear reinforcement 7 ... Protrusion 8: Gap 9 ... Locking piece 10 ... Concrete 11 ... Recess 12 ... Bending section
フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 FI 技術表示箇所 // B28B 21/88 9040−4G Continuation of the front page (51) Int.Cl. 5 Identification number Office reference number FI technical display location // B28B 21/88 9040-4G

Claims (2)

    【特許請求の範囲】[Claims]
  1. 【請求項1】 断面L字状をした横長の外型枠とその内
    側に配置される筒状の内型枠を、該外型枠と該内型枠が
    一定の隙間を有するように、かつ形成された側部の隙間
    部を閉塞するように側型枠を介して固定し、L字状に形
    成された隙間部のうち縦方向の隙間にのみコンクリート
    を充填する工程と、充填後外型枠の一側部と同形状をし
    た板状の補助用外型枠によりコンクリート充填部面を被
    覆・固定する工程と、その後型枠全体をL字状をした外
    型枠の曲折部を軸として90°回転させる工程と、回転
    後残りの隙間部である縦方向の隙間部及び上面隙間部に
    コンクリートを充填して先に充填したコンクリートと一
    体とする工程により構成されることを特徴とする中空コ
    ンクリート成型部材の製造方法。
    1. A laterally long outer mold having an L-shaped cross section and a cylindrical inner mold arranged inside thereof are provided such that the outer mold and the inner mold have a constant gap, and A step of fixing via a side formwork so as to close the formed gap portion of the side portion, and filling concrete only in the longitudinal gap of the L-shaped gap portion; The process of covering and fixing the concrete filling part surface with a plate-shaped auxiliary outer mold having the same shape as one side of the frame, and then using the bent part of the L-shaped outer mold as the axis Hollow characterized by comprising a step of rotating 90 °, and a step of filling the vertical gap and the upper face gap, which are the remaining gaps after rotation, with concrete and integrating it with the previously filled concrete. Method for manufacturing concrete molded member.
  2. 【請求項2】 断面L字状をした横長の外型枠とその内
    側に配置される筒状をした内型枠と、該外型枠と該内型
    枠を一定の隙間を有して保持するとともに側部の隙間部
    を閉塞するための側型枠と、該外型枠と一体となり断面
    U字状の型枠と形成するための板状をした補助用外型枠
    とからなり、該外型枠の曲折部を軸として回動可能であ
    ることを特徴とする請求項1に記載の製造方法を実施す
    るための中空コンクリート成型部材の製造装置。
    2. A laterally long outer mold having an L-shaped cross section, a cylindrical inner mold arranged inside the outer mold, and the outer mold and the inner mold held with a constant gap. And a plate-shaped auxiliary outer formwork for forming a formwork having a U-shaped cross-section integrally with the outer formwork for closing the gap between the side parts, The hollow concrete molded member manufacturing apparatus for carrying out the manufacturing method according to claim 1, wherein the apparatus is rotatable around a bent portion of the outer mold.
JP18352491A 1991-06-28 1991-06-28 Method and apparatus for manufacturing hollow concrete molding member Pending JPH054219A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18352491A JPH054219A (en) 1991-06-28 1991-06-28 Method and apparatus for manufacturing hollow concrete molding member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18352491A JPH054219A (en) 1991-06-28 1991-06-28 Method and apparatus for manufacturing hollow concrete molding member

Publications (1)

Publication Number Publication Date
JPH054219A true JPH054219A (en) 1993-01-14

Family

ID=16137354

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18352491A Pending JPH054219A (en) 1991-06-28 1991-06-28 Method and apparatus for manufacturing hollow concrete molding member

Country Status (1)

Country Link
JP (1) JPH054219A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104859036A (en) * 2011-08-12 2015-08-26 朱月琴 Concrete solid square pile mold

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104859036A (en) * 2011-08-12 2015-08-26 朱月琴 Concrete solid square pile mold

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