JPH0358888B2 - - Google Patents
Info
- Publication number
- JPH0358888B2 JPH0358888B2 JP63037014A JP3701488A JPH0358888B2 JP H0358888 B2 JPH0358888 B2 JP H0358888B2 JP 63037014 A JP63037014 A JP 63037014A JP 3701488 A JP3701488 A JP 3701488A JP H0358888 B2 JPH0358888 B2 JP H0358888B2
- Authority
- JP
- Japan
- Prior art keywords
- drainage basin
- mold
- invert
- receiving part
- peripheral edge
- 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.)
- Expired
Links
- 238000004519 manufacturing process Methods 0.000 claims description 33
- 239000012778 molding material Substances 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 4
- 238000009415 formwork Methods 0.000 description 16
- 239000000463 material Substances 0.000 description 5
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
- B28B7/168—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes for holders or similar hollow articles, e.g. vaults, sewer pits
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Description
【発明の詳細な説明】
＜産業上の利用分野＞
本発明は、汚水桝等の排水桝の製造方法及び製
造装置に関し、外型枠の内部に環状空間を隔てて
内型枠を配置し、内型枠の上部に配置された受部
の受面上に、外周縁が受面の外周縁から外部に出
ない外形を有するインバート型を伏せて配置した
排水桝製造装置を使用し、成形材を注入充填し、
硬化させ、更に型抜きした後、インバート型を取
外して排水桝を得ることにより、底部にインバー
トを有する排水桝を、材料の無駄を生じさせるこ
となく、安価に製造できるようにしたものであ
る。[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a method and apparatus for manufacturing a drainage basin such as a sewage basin. A drainage basin manufacturing device is used, in which an invert mold whose outer periphery does not protrude outward from the outer periphery of the receiving surface is placed face down on the receiving surface of the receiving part placed on the upper part of the inner formwork, and the molded material is Inject and fill
After curing and further cutting, the invert mold is removed to obtain a drainage basin, thereby making it possible to manufacture a drainage basin with an invert at the bottom at a low cost without wasting material.
＜従来の技術＞
第１０図は従来の排水桝製造装置の断面図であ
る。図において、１はコンクリート離型処理を施
した円筒状の鉄等でなる外型枠、２は内型枠であ
る。内型枠２は、外型枠１の内周面との間に、コ
ンクリート等の成形材注入空間となる環状空間３
を隔てて、外型枠１の内部に同円筒状に配置され
ている。この内型枠２は、インバート型を受ける
受部２１と、外型枠１の内周面との間で環状空間
３を形成する枠部２２とを備えている。受部２１
は枠部２２の内側に固定して設けられたアングル
等の支持部材２３で支持されている。４は基台で
ある。<Prior Art> FIG. 10 is a sectional view of a conventional drainage basin manufacturing apparatus. In the figure, 1 is an outer form made of cylindrical iron or the like that has been subjected to concrete release treatment, and 2 is an inner form. The inner formwork 2 has an annular space 3 between it and the inner peripheral surface of the outer formwork 1, which serves as a space for injecting a molding material such as concrete.
They are arranged in the same cylindrical shape inside the outer formwork 1, separated from each other. This inner formwork 2 includes a receiving part 21 for receiving an invert mold, and a frame part 22 that forms an annular space 3 between the inner peripheral surface of the outer formwork 1. Receiving part 21
is supported by a support member 23 such as an angle fixedly provided inside the frame portion 22. 4 is the base.
上記排水桝製造装置を使用して排水桝を製造す
るには、第１１図に示すように、受部２１の受面
２１１の上に合成樹脂成形体から成る排水桝用の
インバート型５を、伏せた状態で被せ、外型枠１
の上部開口面から、矢印イで示すようにコンクリ
ート等の成形材を流し込み固化させる。この後、
外型枠１、内型枠２を取り外すと、底部に合成樹
脂成形体でなるインバート型５を一体的に埋設し
た排水桝が得られる。 In order to manufacture a drainage basin using the drainage basin manufacturing apparatus described above, as shown in FIG. Cover it face down, outer formwork 1
From the upper opening surface, concrete or other forming material is poured in as shown by arrow A and allowed to solidify. After this,
When the outer formwork 1 and the inner formwork 2 are removed, a drainage basin is obtained in which an invert mold 5 made of a synthetic resin molded body is integrally buried in the bottom.
インバート型５は、第１２図に示すように、底
部５１と、その外周縁に沿つて立ち上げた外壁部
５２とを有する合成樹脂成形体でなり、底部５１
の内面に段面５１１と、段面５１１から所定の深
さで落ち込む流路５１２，５１３を設け、流路５
１２，５１３の端部を開口部５１４，５１５及び
５１６にそれぞれ連通させてある。 As shown in FIG. 12, the invert mold 5 is a synthetic resin molded body having a bottom portion 51 and an outer wall portion 52 raised along the outer periphery of the bottom portion 51.
A stepped surface 511 and channels 512 and 513 that fall down from the stepped surface 511 to a predetermined depth are provided on the inner surface of the channel 5.
12 and 513 are communicated with openings 514, 515, and 516, respectively.
第１３図は第１２図に示すインバート型５を用
い、第１０図に示した排水桝製造装置によつて得
られた排水桝の平面図、第１４図は第１３図A1
−A1線上における断面図であつて、コンクリー
トでなる本体６の底部に、合成樹脂成形体でなる
インバート型５を一体に埋設した構造となる。開
口部５１４及び５１５は汚水流入部として使用
し、開口部５１６は汚水放流部として使用する。 Figure 13 is a plan view of a drainage basin obtained by the drainage basin manufacturing apparatus shown in Figure 10 using the invert mold 5 shown in Figure 12, and Figure 14 is Figure 13 A 1
-A is a cross-sectional view taken along line 1 , and has a structure in which an invert mold 5 made of a synthetic resin molded body is integrally buried in the bottom of a main body 6 made of concrete. Openings 514 and 515 are used as wastewater inlets, and opening 516 is used as a wastewater outlet.
＜発明が解決しようとする問題点＞
上述したように、従来の排水桝製造装置では、
インバート型５を排水桝のインバート部としてそ
のまま桝本体に組込む一種の捨型として使用して
いた。インバート型５は、前述したように、形状
の複雑なプラスチツク等の成形品であり、製品コ
ストが高い。このため、インバート型５を捨型と
して使用する従来技術においては、排水桝のコス
ト高を招くという問題点があつた。<Problems to be solved by the invention> As mentioned above, in the conventional drainage basin manufacturing apparatus,
The invert mold 5 was used as a type of waste mold that was directly assembled into the main body of the drainage basin as an invert part of the drainage basin. As mentioned above, the invert mold 5 is a molded product made of plastic or the like with a complicated shape, and the product cost is high. Therefore, in the conventional technique in which the invert mold 5 is used as a waste mold, there is a problem in that the cost of the drainage basin is increased.
＜問題点を解決するための手段＞
上述する従来の問題点を解決するため、本発明
に係る排水桝製造方法は、外型枠と、この外枠型
の内部に成形材注入用の環状空間を隔てて配置さ
れ上端部に受部を配置した内枠型と、前記受部の
受面上に伏せて配置され所定の状態で配置された
とき外周縁が前記受面の外周縁から外部に出ない
外形を有するインバート型とで構成される排水桝
製造装置を使用し、前記排水桝製造装置の前記環
状空間及び前記インバート型の上部空間に成形材
を注入充填し、硬化させ、更に型抜きした後、前
記インバート型を取外して排水桝を得るようにし
た。<Means for Solving the Problems> In order to solve the above-mentioned conventional problems, the drainage basin manufacturing method according to the present invention includes an outer mold and an annular space for injecting a molding material inside the outer mold. an inner frame type, which is placed face down on the receiving surface of the receiving section and whose outer periphery extends outward from the outer periphery of the receiving surface when placed in a predetermined state; Using a drainage basin manufacturing apparatus consisting of an invert mold having an external shape that does not protrude, a molding material is injected and filled into the annular space of the drainage basin manufacturing apparatus and the upper space of the invert mold, hardened, and further removed from the mold. After that, the invert mold was removed to obtain a drainage basin.
＜作用＞
上述したように本発明に係る排水桝製造方法
は、成形材を注入充填し、硬化させ、更に型抜き
した後、インバート型を取外して排水桝を得るの
で、インバート型は排水桝から分離され、耐久性
が許す限り何度でも使用できる。このため、排水
桝の製品コストが安価になる。<Function> As described above, in the drainage basin manufacturing method according to the present invention, after the molding material is injected and filled, cured, and further cut out, the invert mold is removed to obtain the drainage basin. It can be separated and used as many times as durability allows. Therefore, the product cost of the drainage basin becomes low.
しかも、インバート型は、内型枠の上端部に配
置された受部の受面に所定の状態で配置されたと
き、外周縁が受面の外周縁から外部に出ない外形
を有するから、インバート型の外周縁が成形材中
にインサートされることがない。このため、最終
工程でのインバート型の取外し作業が容易であ
り、製造作業が容易になる。 Moreover, the invert type has an external shape in which the outer periphery does not protrude from the outer periphery of the receiving surface when placed in a predetermined state on the receiving surface of the receiving part placed at the upper end of the inner formwork. The outer periphery of the mold is not inserted into the molding material. Therefore, it is easy to remove the invert die in the final process, and the manufacturing process is facilitated.
＜実施例＞
第１図及び第２図は本発明に係る排水桝製造装
置と当該製造装置を用いた排水桝製造方法を示す
断面図である。図において、第１０図と同一の参
照符号は同一性ある構成部分を示している。７は
インバート型、８は中子である。インバート型７
は、内型枠２を構成する受部２１の受面２１１上
に所定の状態で配置されたとき、外周縁７１が受
部２１の受面２１１の外周縁２１２から外部に出
ない外形となつている。第３図はインバート型７
の１実施例を示し、受部２１の受面２１１上に重
ねられる面７２から所定の深さで落ち込む流路７
３，７４を設け、流路７２，７３の端部を開口部
７５，７６及び７７にそれぞれ連通させてある。
開口部７５〜７７を設けずに流路７２，７３の端
部を閉塞してもよい。<Example> FIGS. 1 and 2 are cross-sectional views showing a drainage basin manufacturing apparatus and a drainage basin manufacturing method using the manufacturing apparatus according to the present invention. In the figure, the same reference numerals as in FIG. 10 indicate the same components. 7 is an invert type, and 8 is a core. Invert type 7
When placed in a predetermined state on the receiving surface 211 of the receiving part 21 constituting the inner formwork 2, the outer peripheral edge 71 has an external shape that does not protrude from the outer peripheral edge 212 of the receiving surface 211 of the receiving part 21. ing. Figure 3 shows inverted type 7
A flow path 7 that falls at a predetermined depth from a surface 72 overlaid on the receiving surface 211 of the receiving portion 21.
3 and 74 are provided, and the ends of flow paths 72 and 73 are communicated with openings 75, 76 and 77, respectively.
The ends of the channels 72 and 73 may be closed without providing the openings 75 to 77.
上述の排水桝製造装置を使用して排水桝を製造
するには、第１図に示すように、受部２１の受面
２１１の上にインバート型７を伏せた状態、つま
り面７２が受面２１１に対向するように被せ、外
型枠１の上部開口面から、矢印イで示すようにコ
ンクリート等の成形材６を流し込み固化させる。
成形材６は、第２図に示すように、環状空間及び
インバート型７の上に充填されるが、インバート
型７外周縁７１が受部２１の外周縁２１２から外
部に出ないため、インバート型７の外周縁７１が
成形材６の内部にインサートされることがない。 In order to manufacture a drainage basin using the above-mentioned drainage basin manufacturing apparatus, as shown in FIG. 211, and pour a molding material 6, such as concrete, into the upper opening of the outer form 1 as shown by arrow A and solidify it.
As shown in FIG. 2, the molding material 6 is filled into the annular space and onto the invert mold 7, but since the outer peripheral edge 71 of the invert mold 7 does not come out from the outer peripheral edge 212 of the receiving part 21, the invert mold The outer peripheral edge 71 of 7 is not inserted into the molded material 6.
次に、外型枠１、内型枠２を取り外すと、第４
図及び第５図に示すように、底部に合成樹脂成形
体でなるインバート型７を有する排水桝が得られ
る。６５〜６７は中子８（第１図及び第２図参
照）によつて得られた開口部である。更にこの排
水桝からインバート型７を取外すと、第６図及び
第７図に示すコンクリート製排水桝が得られる。
この排水桝は、コンクリートでなる桝本体６の底
部６１の内面に、段面６２から所定の深さで落ち
込む流路６３，６４を設け、流路６３，６４の端
部を開口部６５，６６及び６７にそれぞれ連通さ
せた構造となる。 Next, when the outer formwork 1 and the inner formwork 2 are removed, the fourth
As shown in the drawings and FIG. 5, a drainage basin having an invert mold 7 made of a synthetic resin molded body at the bottom is obtained. 65 to 67 are openings obtained by the core 8 (see FIGS. 1 and 2). Furthermore, when the invert mold 7 is removed from this drainage basin, the concrete drainage basin shown in FIGS. 6 and 7 is obtained.
This drainage basin is provided with channels 63, 64 that fall down from a stepped surface 62 to a predetermined depth on the inner surface of the bottom 61 of the basin body 6 made of concrete, and the ends of the channels 63, 64 are connected to openings 65, 66. and 67, respectively.
第４図及び第５図の状態から、インバート型７
を取外して、第６図及び第７図に示す排水桝を得
るに当り、インバート型７の外周端縁がコンクリ
ート成形材の内部にインサートされることがない
ので、インバート型７は簡単に取外すことができ
る。 From the state shown in Figures 4 and 5, invert type 7
When removing the invert mold 7 to obtain the drainage basin shown in FIGS. 6 and 7, the outer peripheral edge of the invert mold 7 is not inserted into the concrete forming material, so the invert mold 7 can be easily removed. I can do it.
第８図は本発明に係る排水桝製造装置の別の実
施例を示している。図において、第１図及び第２
図と同一の参照符号は同一性ある構成部分を示
し、受部２１の支持部材２３と対向する位置に、
例えば120度の間隔で、３個のネジ穴９を厚み方
向に貫通して設けると共に、受部２１の上面側か
ら、各ネジ穴９にボルト１０をネジ込み、ボルト
１０の先端部を支持部材２３に当接させ、受部２
１の水平に対する傾斜角度を可変するための傾斜
角度可変手段を構成させてある。 FIG. 8 shows another embodiment of the drainage basin manufacturing apparatus according to the present invention. In the figure, Figures 1 and 2
The same reference numerals as in the drawings indicate the same components, and in the position facing the support member 23 of the receiving part 21,
For example, three screw holes 9 are provided at intervals of 120 degrees through the thickness direction, and a bolt 10 is screwed into each screw hole 9 from the upper surface side of the receiving part 21, and the tip of the bolt 10 is inserted into the support member. 23, and the receiving part 2
An inclination angle varying means for varying the inclination angle with respect to the horizontal plane is configured.
上記の構成において、ボルト１０を適当な治具
によつて回転させると、ボルト１０とネジ穴９と
の間のネジ結合により、受部２１は、ボルト１０
の回転量及び回転方向に応じて、支持部材２３に
対して上下する。この結果、受台２１はボルト１
０の回転量及び回転方向に応じて、第８図の実線
ロの状態から、点線ハで示すような位置に変化
し、水平に対してある角度だけ傾斜した状態とな
る。 In the above configuration, when the bolt 10 is rotated with a suitable jig, the receiving part 21 is rotated by the screw connection between the bolt 10 and the screw hole 9.
It moves up and down with respect to the support member 23 depending on the amount and direction of rotation. As a result, the pedestal 21 is
Depending on the rotation amount and rotation direction of 0, the position changes from the state shown by the solid line (b) in FIG. 8 to the position shown by the dotted line (c), in which the state is tilted by a certain angle with respect to the horizontal.
第９図は第８図に示す水桝製造装置を用いて製
造された排水桝を示し、流入口となる開口部６５
の高さh1及び放流部となる開口部６６の高さh2
を、受部２１の傾斜に応じた値に設定した排水桝
が得られる。従つて、流入部と放流部とで外部配
管接続位置が異なる場合にでも、配管接続を容易
に行なうことができる。 FIG. 9 shows a drainage basin manufactured using the water basin manufacturing apparatus shown in FIG. 8, with an opening 65 serving as an inlet.
h 1 and the height h 2 of the opening 66 which becomes the discharge part.
A drainage basin in which is set to a value corresponding to the inclination of the receiving portion 21 is obtained. Therefore, even if the external piping connection positions are different between the inlet and the outlet, the piping can be easily connected.
＜発明の効果＞
以上述べたように、本発明によれば、成形材を
注入充填し、硬化させ、更に型抜きした後、イン
バート型を取外して排水桝を得るので、インバー
ト型は排水桝から分離され、耐久性が許す限り何
度でも使用できる。このため、排水桝の製品コス
トが安価になる。<Effects of the Invention> As described above, according to the present invention, after the molding material is injected and filled, cured, and then cut out, the invert mold is removed to obtain the drainage basin. It can be separated and used as many times as durability allows. Therefore, the product cost of the drainage basin becomes low.
しかも、インバート型は、内型枠の上端部に配
置された受部の受面に所定の状態で配置されたと
き、外周縁が受面の外周縁から外部に出ない外形
を有するから、インバート型の外周縁が成形材中
にインサートされることがない。このため、最終
工程でのインバート型の取外し作業が容易であ
り、製造作業が容易になる。 Moreover, the invert type has an external shape in which the outer periphery does not protrude from the outer periphery of the receiving surface when placed in a predetermined state on the receiving surface of the receiving part placed at the upper end of the inner formwork. The outer periphery of the mold is not inserted into the molding material. Therefore, it is easy to remove the invert die in the final process, and the manufacturing process is facilitated.
第１図及び第２図は本発明に係る排水桝製造装
置とそれを用いた製造方法を示す断面図、第３図
は本発明に係る排水桝製造装置を構成するインバ
ート型の斜視図、第４図は本発明に係る排水桝製
造方法によつて製造された排水桝においてインバ
ート型を取除く前の平面部分断面図、第５図は第
４図A2−A2線上における断面図、第６図は本発
明に係る排水桝製造方法によつて得られた排水桝
の平面部分断面図、第７図は第６図A3−A3線上
における断面図、第８図は本発明に係る排水桝製
造装置の別の実施例における断面図、第９図は第
８図に示した排水桝製造装置を使用して得られた
排水桝の断面図、第１０図は従来の排水桝製造装
置の断面図、第１１図は従来の排水桝製造装置に
よる排水桝製造方法を説明する図、第１２図はイ
ンバート型の斜視図、第１３図は従来の排水桝製
造装置によつて得られた排水桝の平面図、第１４
図は第１３図A1−A1線上における断面図である。
１……外型枠、２……内型枠、２１……受部、
２２……枠部、７……インバート型。
1 and 2 are cross-sectional views showing a drainage basin manufacturing apparatus according to the present invention and a manufacturing method using the same, FIG. 3 is a perspective view of an invert type constituting the drainage basin manufacturing apparatus according to the present invention, and FIG. FIG. 4 is a partial cross-sectional plan view of a drainage basin manufactured by the drainage basin manufacturing method according to the present invention before the invert mold is removed, FIG . FIG. 6 is a plan partial sectional view of a drainage basin obtained by the drainage basin manufacturing method according to the present invention, FIG. 7 is a cross-sectional view taken along line A 3 - A 3 in FIG. 6, and FIG. A sectional view of another embodiment of the drainage basin manufacturing apparatus, FIG. 9 is a sectional view of a drainage basin obtained using the drainage basin manufacturing apparatus shown in FIG. 8, and FIG. 10 is a conventional drainage basin manufacturing apparatus. FIG. 11 is a diagram illustrating a drainage basin manufacturing method using a conventional drainage basin manufacturing device, FIG. 12 is a perspective view of an invert type, and FIG. Floor plan of drainage basin, No. 14
The figure is a sectional view taken along the line A1 - A1 in FIG. 13. 1... Outer formwork, 2... Inner formwork, 21... Receiving part,
22...Frame part, 7...Invert type.
Claims (1)
の環状空間を隔てて配置され上端部に受部を配置
した内枠型と、前記受部の受面上に伏せて配置さ
れ所定の状態で配置されたとき外周縁が前記受面
の外周縁から外部に出ない外形を有するインバー
ト型とで構成される排水桝製造装置を使用し、前
記排水桝製造装置の前記環状空間及び前記インバ
ート型の上部空間に成形材を注入充填し、硬化さ
せ、更に型抜きした後、前記インバート型を取外
して排水桝を得ることを特徴とする排水桝製造方
法。 ２ 外型枠と、この外枠型の内部に成形材注入用
の環状空間を隔てて配置され上端部に受部を配置
した内枠型と、前記受部の受面上に伏せて配置さ
れ所定の状態で配置されたとき外周縁が前記受面
の外周縁から外部に出ない外形を有するインバー
ト型とで構成される排水桝製造装置。[Scope of Claims] 1. An outer mold, an inner mold which is arranged inside the outer mold with an annular space for injecting a molding material and has a receiving part at its upper end, and a receiving surface of the receiving part. and an inverted type having an outer shape in which the outer peripheral edge does not protrude outside from the outer peripheral edge of the receiving surface when placed face down and in a predetermined state, A method for manufacturing a drainage basin, comprising injecting and filling a molding material into the annular space of the device and the upper space of the invert mold, curing it, and further removing the mold, and then removing the invert mold to obtain a drainage basin. 2. An outer mold, an inner mold which is arranged inside the outer mold with an annular space for injecting the molding material and has a receiving part at its upper end, and which is arranged face down on the receiving surface of the receiving part. A drainage basin manufacturing apparatus comprising an invert type having an outer shape in which the outer peripheral edge does not protrude outside from the outer peripheral edge of the receiving surface when arranged in a predetermined state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63037014A JPH01210311A (en) | 1988-02-19 | 1988-02-19 | Method and apparatus for manufacturing drain bin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63037014A JPH01210311A (en) | 1988-02-19 | 1988-02-19 | Method and apparatus for manufacturing drain bin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01210311A JPH01210311A (en) | 1989-08-23 |
| JPH0358888B2 true JPH0358888B2 (en) | 1991-09-06 |
Family
ID=12485820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63037014A Granted JPH01210311A (en) | 1988-02-19 | 1988-02-19 | Method and apparatus for manufacturing drain bin |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01210311A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5219161B2 (en) * | 2009-12-08 | 2013-06-26 | 株式会社トウブ | Drainage pavement side gutter block, drainage pavement gutter block formwork and drainage road structure. |
-
1988
- 1988-02-19 JP JP63037014A patent/JPH01210311A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01210311A (en) | 1989-08-23 |
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