JPH0569426A - Form device for molding concrete - Google Patents
Form device for molding concreteInfo
- Publication number
- JPH0569426A JPH0569426A JP16906691A JP16906691A JPH0569426A JP H0569426 A JPH0569426 A JP H0569426A JP 16906691 A JP16906691 A JP 16906691A JP 16906691 A JP16906691 A JP 16906691A JP H0569426 A JPH0569426 A JP H0569426A
- Authority
- JP
- Japan
- Prior art keywords
- molded product
- formwork
- substrate
- concrete
- pressure fluid
- 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.)
- Granted
Links
Landscapes
- Moulds, Cores, Or Mandrels (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、マンホール、雨水桝、
汚水桝、地下埋設管等を形成するために用いられる筒状
のコンクリート成形品を得るための型枠装置に関する。The present invention relates to a manhole, a rainwater basin,
The present invention relates to a formwork device for obtaining a tubular concrete molded product used for forming a sewage basin, an underground buried pipe, and the like.
【０００２】[0002]
【従来の技術】従来、実開昭５１−１６７５４号公報、
実開昭５９−１１０６０５号公報等に、底部を有する中
空コンクリート成形品を製造するための型枠装置が開示
されている。この型枠装置は、前記コンクリート成形品
の内面を規定する内型枠と、前記コンクリート成形品の
側部の外面を規定する、前記内型枠を取り囲む外型枠と
を備え、内外両型枠間に形成されたコンクリート成形品
は、前記内型枠と前記コンクリート成形品の底部との間
に加圧空気を導入して両者の付着を断つことにより脱型
される。2. Description of the Related Art Conventionally, Japanese Utility Model Publication No. 51-16754,
Japanese Utility Model Laid-Open No. 59-110605 discloses a formwork apparatus for producing a hollow concrete molded product having a bottom. This formwork device includes an inner formwork that defines an inner surface of the concrete molded product, and an outer formwork that defines an outer surface of a side portion of the concrete molded product and that surrounds the inner formwork. The concrete molded product formed in between is demolded by introducing pressurized air between the inner formwork and the bottom of the concrete molded product to break the adhesion between the two.
【０００３】[0003]
【発明が解決しようとする課題】ところで、底部を有し
ない筒状のコンクリート成形品についても、加圧空気を
用いて脱型することができれば成形作業の能率向上を期
待できるが、筒状のコンクリート成形品は底部を有しな
いことから、前記従来の型枠装置を適用することができ
ない。本発明の目的は、筒状のコンクリート成形品を成
形しまた加圧流体を利用してこれを脱型することができ
る型枠装置を提供することにある。By the way, even with respect to a cylindrical concrete molded product having no bottom portion, if the mold can be demolded by using pressurized air, the efficiency of the molding work can be expected to be improved, but the cylindrical concrete molded product can be expected. Since the molded product does not have a bottom portion, the conventional mold device cannot be applied. It is an object of the present invention to provide a formwork device capable of forming a tubular concrete molded product and demolding it by utilizing a pressurized fluid.
【０００４】[0004]
【課題を解決するための手段】本発明は、筒状のコンク
リート成形品を得るための型枠装置であって、前記コン
クリート成形品の一端部を規定する基板と、該基板に取
り付けられた、前記コンクリート成形品の側部の外面を
規定する外型枠と、該外型枠の内部にこれと間隔をおい
て配置され、前記コンクリート成形品の側部の内面を規
定しまた前記基板と共同して前記外型枠と同軸的な密閉
空間を形成する内型枠であって前記基板に対して前記外
型枠の軸線方向へ移動可能である内型枠と、前記密閉空
間に開放する一端部および加圧流体供給源に接続される
他端部を有する導管とを含む。前記コンクリート成形品
は、円形および多角形のいずれか一方の横断面形状を有
するものとすることができる。SUMMARY OF THE INVENTION The present invention is a formwork device for obtaining a cylindrical concrete molded product, which comprises a substrate defining one end of the concrete molded product, and a substrate attached to the substrate. An outer formwork defining the outer surface of the side of the concrete molded product, and an inner form spaced apart from the outer formwork, defining the inner surface of the side of the concrete molded product and cooperating with the substrate. And an inner formwork that forms a sealed space coaxial with the outer formwork and is movable in the axial direction of the outer formwork with respect to the substrate, and one end that opens to the closed space. And a conduit having another end connected to a source of pressurized fluid. The concrete molded product may have a circular or polygonal cross-sectional shape.
【０００５】[0005]
【発明の作用および効果】本発明によれば、前記基板と
前記内型枠との間の密閉空間に加圧流体を供給すること
により、前記成形品に対して前記内型枠を相対移動させ
ることができ、この相対移動により前記成形品と前記内
型枠との付着を断ち、脱型することができる。According to the present invention, the inner mold is relatively moved with respect to the molded product by supplying the pressurized fluid to the closed space between the substrate and the inner mold. By this relative movement, the adhesion between the molded product and the inner mold can be cut off and the mold can be released.
【０００６】[0006]
【実施例】図１および図２を参照すると、筒状のコンク
リート成形品（以下、単に「成形品」という。）９６を
得るための型枠装置１４が示されている。図示の成形品
９６はほぼ矩形状の横断面形状を有し、地中に設置され
るマンホール、桝、地中配電用ケーブルの中継地点に設
置される箱、暗渠等の構成部材として利用される。DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to FIGS. 1 and 2, there is shown a formwork apparatus 14 for obtaining a tubular concrete molded product (hereinafter referred to simply as "molded product") 96. The molded product 96 shown in the figure has a substantially rectangular cross-sectional shape, and is used as a component such as a manhole installed in the ground, a basin, a box installed at a relay point of an underground power distribution cable, or an underdrain. .
【０００７】型枠装置１４は、基板１８と、該基板上に
配置された外型枠２０および該外型枠に取り囲まれた内
型枠２２と、空気のような気体あるいは水のような液体
から成る加圧流体のための導管２４とを含み、それぞれ
が鋼のような金属材料で形成されている。The formwork apparatus 14 includes a substrate 18, an outer formwork 20 arranged on the substrate, an inner formwork 22 surrounded by the outer formwork, a gas such as air, or a liquid such as water. And a conduit 24 for pressurized fluid, each of which is formed of a metallic material such as steel.
【０００８】成形品９６は、型組みされた型枠装置１４
の外型枠２０と内型枠２２との間の空間に投入されたコ
ンクリートを例えば蒸気養生した後、脱型することによ
り得られる。The molded product 96 is formed by the mold assembly 14
The concrete put into the space between the outer mold 20 and the inner mold 22 is steam-cured and then demolded.
【０００９】基盤１８は成形品９６の開放一端部（下端
部）を規定する。基板１８は、四つのチャンネル形鋼を
矩形状に組み立てて成るフレーム２６上にこれを覆うよ
うに配置されかつ固定された矩形状の板部材から成る。The base 18 defines an open end (lower end) of the molded product 96. The substrate 18 is a rectangular plate member which is arranged and fixed so as to cover a frame 26 formed by assembling four channel-shaped steels in a rectangular shape.
【００１０】外型枠２０は成形品９６の側部外面９６ｃ
を規定する。外型枠２０は、基板１８の四つの周縁部分
に対応する四つの矩形状の板部材２８から成る。各板部
材２８は成形品９６の側部外面９６ｃに対向する板面の
反対側に設けられた複数のリブ３０で補強されている。
各板部材２８には横方向に相互に間隔をおかれた二対の
ブラケット３２が配置、固定され、また、フレーム２６
には各対のブラケット３２に対応してブラケット３４が
配置されかつ固定されている。The outer frame 20 is a side outer surface 96c of the molded product 96.
Stipulate. The outer frame 20 is composed of four rectangular plate members 28 corresponding to the four peripheral portions of the substrate 18. Each plate member 28 is reinforced by a plurality of ribs 30 provided on the opposite side of the plate surface facing the side outer surface 96c of the molded product 96.
Two pairs of brackets 32, which are laterally spaced from each other, are arranged and fixed to each plate member 28, and the frame 26
A bracket 34 is arranged and fixed to each of the brackets 32 corresponding to each pair of brackets 32.
【００１１】各ブラケット３４はその一部が各ブラケッ
ト３２の一部と相互に重なり合っており、重合部分を前
記周縁部分の伸長方向すなわち横方向に貫通するピン３
６を介して連結されている。したがって、各板部材２８
は、ブラケット３２，３４およびピン３６を介して、基
板１８に取り付けられている。A part of each bracket 34 overlaps a part of each bracket 32, and the pin 3 penetrates the overlapping part in the extension direction of the peripheral part, that is, the lateral direction.
It is connected via 6. Therefore, each plate member 28
Are attached to the substrate 18 via the brackets 32 and 34 and the pins 36.
【００１２】型組みした状態において、板部材２８の下
縁部はフレーム２６の内周縁のほぼ上方において基板１
８に密接し、また、板部材２８は基板１８と直角をな
す。互いに隣接する板部材２８は液密に接しかつ共同し
て矩形状の横断面形状を有する空間を形成する。脱型の
際、各板部材２８をピン３６の回りに回転させることに
より、内外両型枠２０，２２間に形成された成形品９６
から外型枠２０を剥離することができる。In the assembled state, the lower edge portion of the plate member 28 is substantially above the inner peripheral edge of the frame 26 and the substrate 1
8 and the plate member 28 is perpendicular to the substrate 18. The plate members 28 adjacent to each other are in liquid-tight contact and jointly form a space having a rectangular cross-sectional shape. At the time of demolding, by rotating each plate member 28 around the pin 36, a molded product 96 formed between the inner and outer mold frames 20 and 22.
The outer formwork 20 can be peeled off.
【００１３】基板１８には四つの帯板９４が基板１８の
周縁部から間隔をおいて配置されかつ基板１８に固定さ
れている。これらの帯板９４は、基板１８と共同して、
成形品９６の下端部９６ａに成形品相互の接合のために
設けられる雌型の段部を規定するとともに、型組み時の
基板１８と内型枠２２との間に密閉空間９８を形成する
ためのスペーサとしての役割を担う。密閉空間９８の軸
線は外型枠２０の軸線上にある。なお、成形品の開放他
端部（上端部）９６ｂに雄型の段部を設けるために、外
型枠の各板部材２８の上縁部にこれに沿って伸びる補助
板部材１００が取り付けられている。帯板９４を配置す
ることに代えて、または、帯板９４が不要の場合には、
内型枠２２の後記底板部１０２ａの中央部にくぼみ（図
示せず）を設けることにより、内型枠と基板とに規定さ
れる密閉空間を形成することができる。On the substrate 18, four strips 94 are arranged at intervals from the peripheral edge of the substrate 18 and fixed to the substrate 18. These strips 94, in cooperation with the substrate 18,
In order to define a female step portion provided at the lower end portion 96a of the molded product 96 for joining the molded products to each other, and to form a closed space 98 between the substrate 18 and the inner mold frame 22 at the time of mold assembly. Plays the role of a spacer. The axis of the closed space 98 is on the axis of the outer mold 20. In order to provide a male stepped portion at the other open end portion (upper end portion) 96b of the molded product, an auxiliary plate member 100 extending along the upper edge portion of each plate member 28 of the outer frame is attached. ing. Instead of arranging the strip plate 94, or when the strip plate 94 is unnecessary,
By providing a recess (not shown) at the center of the bottom plate portion 102a of the inner mold 22 described later, a closed space defined by the inner mold and the substrate can be formed.
【００１４】内型枠２２は成形品９６の側部内面９６ｄ
を規定する。内型枠２２は全体にほぼ立方体の形状を有
し、基板１８に対向するほぼ矩形の底板部１０２ａおよ
びこれと平行な頂板部１０２ｂと、両板部に連なりかつ
外型枠の板部材２８と平行な四つの側板部１０２ｃとか
ら成る。内型枠の側板部１０２ｃの上縁部は、外型枠の
板部材２８に設けられた補助板部材１００とはほぼ同一
の高さレベルにある。The inner frame 22 is a side inner surface 96d of the molded product 96.
Stipulate. The inner mold form 22 has a substantially cubic shape as a whole, and has a substantially rectangular bottom plate part 102a facing the substrate 18, a top plate part 102b parallel to the bottom plate part 102a, and a plate member 28 of the outer mold part connected to both plate parts. It is composed of four parallel side plate portions 102c. The upper edge portion of the side plate portion 102c of the inner mold is at substantially the same height level as the auxiliary plate member 100 provided on the plate member 28 of the outer mold.
【００１５】導管２４は、基板１８、帯板９４および内
型枠２２とで規定される密閉空間９８に前記加圧流体を
導入するためにある。導管２４の一端部２４ａは、基板
１８を貫通して伸びかつ密閉空間９８に開放している。
導管２４の他端部２４ｂはフレーム２６を貫通して型枠
装置１４の外部に伸び、導管２４の両端部はそれぞれ基
板１８およびフレーム２６に溶接により固着されてい
る。The conduit 24 is for introducing the pressurized fluid into a closed space 98 defined by the substrate 18, the strip 94 and the inner mold 22. One end 24a of the conduit 24 extends through the substrate 18 and is open to the enclosed space 98.
The other end 24b of the conduit 24 extends through the frame 26 to the outside of the formwork apparatus 14, and both ends of the conduit 24 are fixed to the substrate 18 and the frame 26 by welding.
【００１６】導管の他端部２４ｂは、高圧ホースのよう
な接続管５２に接続されている。接続管５２には圧力調
整弁５４および圧力調整ゲージ５６が設けられ、また、
接続管５２は前記加圧流体供給源の一部を成すコンプレ
ッサあるいはポンプ（図示せず）に接続されている。導
管２４と接続管５２とは、これらの接続およびその解除
を容易にまた短時間で行なうことができるカップリング
５８を介して接続されている。導管２４は、その設置数
量を一とする図示の例に代えて複数とすることができ
る。The other end 24b of the conduit is connected to a connecting pipe 52 such as a high pressure hose. The connection pipe 52 is provided with a pressure adjusting valve 54 and a pressure adjusting gauge 56, and
The connecting pipe 52 is connected to a compressor or pump (not shown) forming a part of the pressurized fluid supply source. The conduit 24 and the connecting pipe 52 are connected to each other via a coupling 58 which enables the connection and disconnection thereof to be performed easily and in a short time. A plurality of conduits 24 may be provided instead of the illustrated example in which the number of installed conduits is one.
【００１７】前記コンクリートは、各板部材２８と、内
型枠２２の底板部１０２ａを帯板９４に当接した状態
（型組みの状態）における各側板部１０２ｃとの間に形
成される空間に投入される。前記コンクリートが投入空
間の隅々まで行き渡るように、前記コンクリートの投入
の間、型枠装置１４に振動数３０００〜４０００回／分
の振動が加えられる。この作業は、導管２４を接続管５
２から切り離した状態で行ない、脱型時にのみ両管２
４，５２に接続する。The concrete is placed in a space formed between each plate member 28 and each side plate portion 102c in a state where the bottom plate portion 102a of the inner mold 22 is in contact with the strip plate 94 (state of mold assembly). It is thrown in. During the injection of the concrete, the formwork device 14 is vibrated at a vibration frequency of 3000 to 4000 times / minute so that the concrete is spread to every corner of the injection space. This work connects the conduit 24 to the connecting pipe 5
Performed in a state of being separated from 2, and both pipes 2 only when demolding
Connect to 4, 52.
【００１８】型枠装置１４には、また、型組み時に内型
枠２２を外型枠２０と同軸的に配置すべくこれを所定の
位置に位置決めるための一対の突起１０１および該突起
が嵌合可能の一対のソケット１０３が、内型枠の底板部
１０２ａおよび基板１８にそれぞれ取り付けられてい
る。ソケット１０３は基板１８を貫通して伸びかつ密閉
空間に開放している。A pair of protrusions 101 and a pair of protrusions for positioning the inner mold form 22 at a predetermined position so as to arrange the inner mold form 22 coaxially with the outer mold form 20 at the time of mold assembly are fitted to the mold form device 14. A pair of matable sockets 103 are attached to the bottom plate portion 102a of the inner mold and the substrate 18, respectively. The socket 103 extends through the substrate 18 and is open to the closed space.
【００１９】さらに、型組みに際して内型枠２２を基板
１８に固定するための固定手段が設けられている。この
固定手段は、内型枠の頂板部１０２ｂおよび底板部１０
２ａの矩形の四隅の近傍を貫通する四つのボルト１０４
と、各ボルトが螺合可能の袋ナット１０６とを有し、各
袋ナットは各ボルト１０４と同軸的に基板１８に固定さ
れ、該基板および帯板９４に設けられた孔を介して密閉
空間９８に開放している。Further, a fixing means for fixing the inner frame 22 to the substrate 18 at the time of assembling the mold is provided. The fixing means is a top plate portion 102b and a bottom plate portion 10 of the inner mold.
Four bolts 104 penetrating near the four corners of the rectangle 2a
And a cap nut 106 to which each bolt can be screwed, each cap nut is fixed to the substrate 18 coaxially with each bolt 104, and a hermetically sealed space is provided through holes provided in the substrate and the band plate 94. It is open to 98.
【００２０】ボルト１０４は、より詳細には、内型枠２
２の頂板部１０２ｂにその周縁部から間隔をおいて設け
られた溝１０８の底部を貫通している。溝１０８には各
ボルト１０４を取り巻くコイルばね１１０が配置され、
各コイルばねの両端部が各ボルト１０４の頭部と溝１０
８の底部とに当接している。各コイルばね１１０は各ボ
ルト１０４に上方向力を及ぼす。各ボルト１０４の軸部
先端を筒部材１１２が取り巻いている。筒部材１１２は
内型枠２２の内部において底板部１０２ａに固定されて
いる。筒部材１１２の開放上端にはボルト１０４が貫通
する蓋板１１４が固定されている。The bolt 104 is, more specifically, the inner formwork 2
The second top plate portion 102b penetrates the bottom portion of the groove 108 provided at a distance from the peripheral edge portion. A coil spring 110 surrounding each bolt 104 is arranged in the groove 108,
Both ends of each coil spring have a head portion of each bolt 104 and a groove 10.
It is in contact with the bottom part of 8. Each coil spring 110 exerts an upward force on each bolt 104. A tubular member 112 surrounds the tip of the shaft portion of each bolt 104. The tubular member 112 is fixed to the bottom plate portion 102a inside the inner mold 22. A lid plate 114 through which the bolt 104 penetrates is fixed to the open upper end of the tubular member 112.
【００２１】ボルト１０４は、筒部材１１２の内部にあ
ってボルトの先端部に固定された板片１１６が蓋板１１
４に気密または液密的に当接し、蓋板１１４に設けられ
たボルト挿通孔からの前記加圧流体の漏出を阻止する。
各ボルト１０４をコイルばね１１０のばね力に抗して押
し下げて各袋ナット１０６にねじ込むことにより、内型
枠２２が基板１８に固定される。このとき、各ボルト１
０４の頭部が溝１０８の底部に気密または液密的に接
し、ボルト１０４の挿通孔からの前記加圧流体の漏出が
阻止される。In the bolt 104, a plate piece 116 fixed to the tip of the bolt inside the tubular member 112 is a cover plate 11.
4 in air-tight or liquid-tight manner to prevent leakage of the pressurized fluid from the bolt insertion hole provided in the cover plate 114.
The inner formwork 22 is fixed to the substrate 18 by pushing down each bolt 104 against the spring force of the coil spring 110 and screwing it into each cap nut 106. At this time, each bolt 1
The head of 04 contacts the bottom of the groove 108 in an airtight or liquid-tight manner to prevent leakage of the pressurized fluid from the insertion hole of the bolt 104.
【００２２】脱型は、外型枠の各板部材２８を各ピン３
６の回りに回動させて成形品の外面９６ｃから引き剥す
に先立ち、バルブ５４を開いて導管２４から密閉空間９
８に前記加圧流体を供給して行なう。密閉空間９８に導
入された前記加圧流体は、内型枠２２の底板部１０２ａ
に圧力を及ぼす。その結果、内型枠２２が成形品９６の
軸線に沿って上昇し、これにより内型枠２２と成形品の
内面９６ｄとの付着が断たれる。内型枠２２が例えば３
〜５cmの距離を上昇した後、前記加圧流体の供給を停止
する。その後、内型枠２２の頂板部１０２ｂに矩形の四
辺のそれぞれの中央部近傍に設けられた吊金具６０を介
して内型枠２２を吊り上げてこれを外型枠２０外に撤去
する。図示の成形品９６は、縦、横および高さのそれぞ
れが約１ｍの外形寸法を有するものであって、この成形
品の脱型のために前記流体の内型枠２２に及ぼす流体圧
力は約６〜８Kg／cm2が適当である。For demolding, each plate member 28 of the outer mold is attached to each pin 3
6 is rotated around 6 to be peeled off from the outer surface 96c of the molded product, the valve 54 is opened to open the closed space 9 from the conduit 24.
8 is supplied with the pressurized fluid. The pressurized fluid introduced into the closed space 98 is the bottom plate portion 102a of the inner mold 22.
Exert pressure on. As a result, the inner formwork 22 rises along the axis of the molded product 96, whereby the adhesion between the inner formwork 22 and the inner surface 96d of the molded product is broken. The inner formwork 22 is, for example, 3
After increasing the distance of ~ 5 cm, the supply of the pressurized fluid is stopped. After that, the inner formwork 22 is lifted up through the hanging metal fittings 60 provided on the top plate portion 102b of the inner formwork 22 near the respective central portions of the four sides of the rectangle, and this is removed outside the outer formwork 20. The molded product 96 shown in the figure has an outer dimension of about 1 m in length, width and height, and the fluid pressure exerted on the inner mold frame 22 by the fluid for demolding the molded product is about 1. 6-8 kg / cm 2 is suitable.
【００２３】なお、図示の実施例では、ほぼ矩形の横断
面形状を有する成形品に関して説明したが、外型枠２０
および内型枠２２の横断面形状を他の多角形または円形
とし、さらに必要に応じて基板１８の平面形状を変更す
ることにより、他の多角形または円形の横断面形状を有
する成形品のための型枠装置とすることができる。In the illustrated embodiment, the molded product having a substantially rectangular cross-sectional shape has been described.
And for the molded product having another polygonal or circular cross-sectional shape by changing the cross-sectional shape of the inner mold 22 to another polygonal or circular shape and changing the planar shape of the substrate 18 as necessary. Formwork device.
【図面の簡単な説明】[Brief description of drawings]
【図１】筒状のコンクリート成形品を得るために用いら
れる型枠装置の縦断面図である。FIG. 1 is a vertical cross-sectional view of a formwork apparatus used to obtain a tubular concrete molded product.
【図２】図１に示す型枠装置の平面図である。2 is a plan view of the formwork device shown in FIG. 1. FIG.
１４ 型枠装置 １８ 基板 ２０ 外型枠 ２２ 内型枠 ２４ 導管 ９６ コンクリート成形品 ９８ 密閉空間 14 Formwork device 18 Substrate 20 Outer formwork 22 Inner formwork 24 Conduit 96 Concrete molded product 98 Closed space
Claims (2)
型枠装置であって、前記コンクリート成形品の一端部を
規定する基板と、前記基板に取り付けられた、前記コン
クリート成形品の側部の外面を規定する外型枠と、前記
外型枠の内部にこれと間隔をおいて配置され、前記コン
クリート成形品の側部の内面を規定しまた前記基板と共
同して前記外型枠と同軸的な密閉空間を形成する内型枠
であって前記基板に対して前記外型枠の軸線方向へ移動
可能である内型枠と、前記密閉空間に開放する一端部お
よび加圧流体供給源に接続される他端部を有する導管と
を含む、コンクリート成形用型枠装置。1. A formwork device for obtaining a tubular concrete molded product, comprising a substrate defining one end of the concrete molded product, and a side portion of the concrete molded product attached to the substrate. An outer formwork defining an outer surface and a space inside the outer formwork spaced apart from the outer formwork to define an inner surface of a side portion of the concrete molded product and coaxial with the outer formwork in cooperation with the substrate. An inner mold forming a general closed space that is movable in the axial direction of the outer mold with respect to the substrate, and one end opening to the closed space and a pressurized fluid supply source. A formwork device for concrete molding, including a conduit having the other end connected thereto.
多角形のいずれか一方の横断面形状を有する、請求項
（１）に記載のコンクリート成形用型枠装置。2. The concrete molding formwork apparatus according to claim 1, wherein the concrete molded product has a circular or polygonal cross-sectional shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3169066A JPH0790536B2 (en) | 1991-06-14 | 1991-06-14 | Forming equipment for concrete molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3169066A JPH0790536B2 (en) | 1991-06-14 | 1991-06-14 | Forming equipment for concrete molding |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19521087A Division JPS6440306A (en) | 1987-08-06 | 1987-08-06 | Framing device for forming concrete |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0569426A true JPH0569426A (en) | 1993-03-23 |
| JPH0790536B2 JPH0790536B2 (en) | 1995-10-04 |
Family
ID=15879704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3169066A Expired - Lifetime JPH0790536B2 (en) | 1991-06-14 | 1991-06-14 | Forming equipment for concrete molding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0790536B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200468002Y1 (en) * | 2011-07-26 | 2013-07-22 | 충청레미콘(주) | Concreted manhole for mold apparatus |
| KR20220007747A (en) * | 2020-07-09 | 2022-01-19 | 주식회사 대경콘크리트산업 | Concrete Manhole Form and its Removal Method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59110605U (en) * | 1983-01-18 | 1984-07-26 | 菊池 昭夫 | concrete formwork |
-
1991
- 1991-06-14 JP JP3169066A patent/JPH0790536B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59110605U (en) * | 1983-01-18 | 1984-07-26 | 菊池 昭夫 | concrete formwork |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200468002Y1 (en) * | 2011-07-26 | 2013-07-22 | 충청레미콘(주) | Concreted manhole for mold apparatus |
| KR20220007747A (en) * | 2020-07-09 | 2022-01-19 | 주식회사 대경콘크리트산업 | Concrete Manhole Form and its Removal Method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0790536B2 (en) | 1995-10-04 |
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