JP2726322B2 - Tape for assigning connection angle of underground pipe and method of assigning angle - Google Patents

Tape for assigning connection angle of underground pipe and method of assigning angle

Info

Publication number
JP2726322B2
JP2726322B2 JP2020200A JP2020090A JP2726322B2 JP 2726322 B2 JP2726322 B2 JP 2726322B2 JP 2020200 A JP2020200 A JP 2020200A JP 2020090 A JP2020090 A JP 2020090A JP 2726322 B2 JP2726322 B2 JP 2726322B2
Authority
JP
Japan
Prior art keywords
angle
tape
degrees
connection
displayed
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 - Lifetime
Application number
JP2020200A
Other languages
Japanese (ja)
Other versions
JPH03223604A (en
Inventor
英二 吉村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HINODE SUIDO KIKI KK
Original Assignee
HINODE SUIDO KIKI KK
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 HINODE SUIDO KIKI KK filed Critical HINODE SUIDO KIKI KK
Priority to JP2020200A priority Critical patent/JP2726322B2/en
Publication of JPH03223604A publication Critical patent/JPH03223604A/en
Application granted granted Critical
Publication of JP2726322B2 publication Critical patent/JP2726322B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • A Measuring Device Byusing Mechanical Method (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、マンホールや汚水桝等を構成する側塊の周
面に地中埋設管の接続孔の削孔位置を割り付ける際に使
用する角度割り付け用テープ、及びこの角度割り付け用
テープを使用した角度割り付け方法に関する。
DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to an angle used for allocating a drilling position of a connection hole of an underground pipe to a peripheral surface of a side mass forming a manhole, a sewage basin, or the like. The present invention relates to an allocation tape and an angle allocation method using the angle allocation tape.

〔従来の技術〕[Conventional technology]

下水道の管路途中には、種々の目的で各種の桝が設置
されている。たとえば、下水の水質検査及び管路の点
検,清掃を行うため、各建物には宅内桝が、下水道本管
と宅内桝との間には汚水桝が、また、下水道本管にはマ
ンホールがそれぞれ配置されている。
Various basins are installed in the sewer pipeline for various purposes. For example, in order to inspect the sewage water quality and inspect and clean the pipeline, each building has a house basin, a sewer basin between the sewer main and the house basin, and a manhole in the sewer main. Are located.

そして、これらの桝を構成する側塊に接続される流入
管及び流出管は、接続角度が鋭角とならないように90度
から270度の範囲内でそれぞれ桝の桝芯に向けて取り付
けることが円滑な排水を行う上で必要となるが、その接
続角度は、道路や建物等の周囲の状況によってそれぞれ
異なるものである。
The inflow pipes and outflow pipes connected to the side blocks constituting these boxes can be smoothly attached to the squares of the boxes within the range of 90 to 270 degrees so that the connection angle is not acute. Although it is necessary to perform a proper drainage, the connection angle differs depending on the surrounding conditions such as a road and a building.

そこで、下水道の管路を敷設する際は、これらの桝の
設置位置やこの桝に接続される地中埋設管の接続角度等
に関する情報を記載した管路敷設平面図や縦断面図等の
設計図を予め作成し、これに使用される桝の側塊は、通
常、この設計図に基づいて、その周面に各地中埋設管の
接続孔を削孔した状態で工場から出荷されていた。
Therefore, when laying pipes for sewerage, design a plan such as a pipe laying plan or vertical sectional view that describes information on the installation position of these pits and the connection angle of underground pipes connected to this pit. Drawings are prepared in advance, and the side blocks of the square used for this are usually shipped from the factory with connection holes for buried pipes buried in various places on the peripheral surface based on this design drawing.

〔発明が解決しようとする課題〕[Problems to be solved by the invention]

ところが、実際の設置現場においては、前述の設計図
の作成段階では予想出来ない水道管・ガス管等の地中埋
設物や岩石等が流出管や流入管の設置予定位置を遮って
いる場合がしばしばある。
However, at the actual installation site, there are cases where underground objects such as water pipes and gas pipes, rocks, etc., which cannot be predicted at the stage of drafting the above-mentioned design drawings, block the planned locations of outflow pipes and inflow pipes. Often there.

そのような場所に設置される桝については、現場の状
況に応じて設置位置を変更する必要があり、この桝の設
置位置の変更に伴って、各地中埋設管の接続角度の変更
も必要となる。
It is necessary to change the installation position of pits installed in such places according to the situation at the site, and it is necessary to change the connection angle of underground pipes in various places along with the change of the installation position of this pit. Become.

したがって、このような場所に設置される桝について
は、設置位置を決定した後、トランシット等を使用して
桝どうしを連結する各地中埋設管の接続角度を測定し、
この測定結果に基づいて現場で側塊の周面に接続孔を削
孔している。
Therefore, for the basin installed in such a place, after determining the installation position, measure the connection angle of the buried pipes in various places connecting the basins using transit etc.
Based on the measurement results, connection holes are drilled on the peripheral surface of the side lump at the site.

しかしながら、通常の状態では桝芯位置の判らない筒
状の側塊の周面に、この接続角度を割り付けることは容
易ではなく、特に楕円形や長円形等の断面形状を有する
側塊においては、地中埋設管の接続位置によって周面の
曲率が変化したりするため、複雑な計算が必要とされ、
現場での削孔作業が一層面倒なものになっている。
However, in the normal state, it is not easy to assign this connection angle to the peripheral surface of the tubular side lump whose position is not known, especially in the side lump having a cross-sectional shape such as an ellipse or an oval. Since the curvature of the surrounding surface changes depending on the connection position of the underground pipe, complicated calculations are required,
The drilling work on site has become more troublesome.

そこで、本発明の目的は、側塊の周面に貼着すること
によって、基準位置からの角度を表示し、この角度目盛
りによって地中埋設管の接続孔の削孔位置を割り付ける
ことができる角度割り付け用テープを提供するととも
に、この角度割り付け用テープを使用して地中埋設管の
接続孔の削孔位置を割り付ける角度割り付け方法を提供
することにある。
Therefore, an object of the present invention is to display the angle from the reference position by sticking to the peripheral surface of the side lump, and to allocate the drilling position of the connection hole of the underground pipe by this angle scale. An object of the present invention is to provide an allocation tape and an angle allocation method for using the angle allocation tape to allocate a drilling position of a connection hole of an underground pipe.

〔課題を解決するための手段〕[Means for solving the problem]

本発明の地中埋設管の接続角度割り付け用テープは、
その目的を達成するために、帯状体の一方端部又は中央
部に、側塊の周囲に形成される基準部に整合させるため
の符号部を形成するとともに、前記帯状体の表面に、前
記側塊の周面における桝芯周りの角度を展開した角度目
盛りを表示したことを特徴とする。
The tape for laying the connection angle of the underground pipe of the present invention,
In order to achieve the object, a sign portion is formed at one end or the center of the band to align with a reference portion formed around the side mass, and the side of the band is formed on the surface of the band. It is characterized by displaying an angle scale obtained by developing an angle around a cell core on a peripheral surface of a lump.

帯状体の端部に符合部を形成した角度割り付け用テー
プにあっては、前述の角度目盛りを帯状体の表面に上下
二段に表示して、上段及び下段の角度目盛りをそれぞれ
前記符号部の形成位置を基準として、180度から90度ま
で及び180度から270度までの範囲で表示したものであっ
てもよい。
In the tape for angle allocation in which a sign is formed at the end of the band, the above-mentioned angle scale is displayed on the surface of the band in two upper and lower stages, and the upper and lower angle scales are respectively indicated by the above-mentioned sign portions. It may be displayed in a range from 180 degrees to 90 degrees and from 180 degrees to 270 degrees based on the formation position.

また、帯状体の中央部に符合部を形成した角度割り付
け用テープにあっては、符合部の形成位置の角度目盛り
を180度とし、この位置から両端部に向けて90度及び270
度の範囲で表示したものであってもよい。
Further, in the tape for angle allocation in which the matching portion is formed in the center of the band-like body, the angle scale at the forming position of the matching portion is set to 180 degrees, and 90 degrees and 270 degrees from this position toward both ends.
It may be displayed in a range of degrees.

この角度割り付け用テープを使用した地中埋設管の接
続角度割り付け方法は、側塊の周面に形成される基準部
に角度割り付け用テープに形成された符合部を整合さ
せ、該角度割り付け用テープを前記側塊の周面に貼着
し、その表面に表示された角度目盛りによって各管体の
取付孔の削孔位置を割り付けることを特徴とする。
The method of laying a connection angle of an underground pipe using this tape for angle assignment is to align a sign formed on the tape for angle assignment with a reference portion formed on the peripheral surface of the side lump, and the tape for angle assignment. Is affixed to the peripheral surface of the side lump, and the drilling positions of the mounting holes of each tube are assigned according to the angle scale displayed on the surface.

〔作用〕[Action]

本発明の地中埋設管の接続角度割り付け用テープは、
帯状体の一方端部又は中央部に、側塊の周面に形成され
る基準部に整合させるための符合部を形成するととも
に、前記帯状体の表面に、前記側塊の周面における桝芯
回りの角度を展開した角度目盛りを表示しているので、
この角度割り付け用テープの符合部を側塊の基準部に整
合させて側塊の周方向に貼着すれば、筒状の側塊の桝芯
を求めることなく地中埋設管の接続孔の削孔位置を正確
に割り付けることができる。
The tape for laying the connection angle of the underground pipe of the present invention,
At one end or the center of the band, a matching portion is formed to match the reference portion formed on the peripheral surface of the side lump, and the core of the peripheral surface of the side lump is formed on the surface of the band. Since the angle scale that expands the surrounding angle is displayed,
If the matching part of this tape for angle assignment is aligned with the reference part of the side lump and attached in the circumferential direction of the side lump, the connection hole of the underground pipe can be cut without obtaining the core of the cylindrical side lump. Hole positions can be accurately assigned.

〔実施例〕〔Example〕

以下、図面に示す実施例に基づき、本発明の特徴を具
体的に説明する。
Hereinafter, features of the present invention will be specifically described based on embodiments shown in the drawings.

第1図から第3図までは、円形断面を有する側塊の周
面に流入管(図示せず)の接続角度を輪得付ける方法、
及びそのときに使用する角度割り付け用テープを説明す
るための図である。
FIGS. 1 to 3 show a method of obtaining a connection angle of an inflow pipe (not shown) on a peripheral surface of a side mass having a circular cross section;
FIG. 3 is a diagram for explaining an angle allocating tape used at that time.

側塊1は、通常、第1図に示すように流入管2が取り
付けられる開口部3の中心線を通る面で左右に分割され
る型枠と内側の型枠とによって画成される空間部にコン
クリートを投入して製造されている。そこで、開口部3
の反対側にあたる側塊1の周面に、左右の型枠の合せ目
を利用して突起状又は線状の基準部4を形成する。な
お、前述のように積極的に基準部4を形成するほか、左
右の型枠の合せ目に自然に発生する線状の跡形を基準部
4として利用してもよい。
As shown in FIG. 1, the side mass 1 usually has a space defined by a mold divided into right and left by a plane passing through the center line of the opening 3 to which the inflow pipe 2 is attached and an inner mold. It is manufactured by putting concrete in it. Therefore, the opening 3
A projection or linear reference portion 4 is formed on the peripheral surface of the side lump 1 on the side opposite to the above by using the joint of the left and right molds. In addition to the positive formation of the reference portion 4 as described above, a linear trace that occurs naturally at the joint of the left and right molds may be used as the reference portion 4.

この基準部4は、側塊1の開口部3の反対側、すなわ
ち、開口部3から180度の位置に形成される。
The reference portion 4 is formed on the opposite side of the opening 3 of the side lump 1, that is, at a position 180 degrees from the opening 3.

この基準部4に合わせて後述する角度割り付け用テー
プ5を貼着し、側塊1の周面に流入管の接続孔の穿孔位
置に割り付ける。
An angle assignment tape 5 to be described later is adhered to the reference portion 4 and assigned to the peripheral surface of the side lump 1 at a position where the connection hole of the inflow pipe is pierced.

角度割り付け用テープ5は、第2図に示すように、帯
状体の中央部に前記側塊1の基準部4に整合させるため
の鍵穴状の符合部6が開設されている。なお、この符合
部6は、上述のように孔部として開設するほか、帯状体
の上下端付近にΔ状のしるしを表示する等、要するに前
記基準部4に整合させることのできるものであればどの
ようなものであってもよい。
As shown in FIG. 2, the tape 5 for angle assignment has a keyhole-shaped matching portion 6 for alignment with the reference portion 4 of the side lump 1 at the center of the band. In addition, the sign portion 6 is formed as a hole as described above, and a mark of Δ shape is displayed near the upper and lower ends of the belt-like body, as long as the mark portion 6 can be aligned with the reference portion 4 in short. Anything may be used.

そして、この符合部6を形成した位置に、該符合部6
位置が開口部3から180度の角度であることを示す数字
が表示され、該符合部6の形成位置から両側に向けて、
側塊1の周面における桝芯周りの角度をそれぞれ展開し
て、90度及び270度までの範囲で角度目盛り7を表示し
ている。
Then, at the position where the sign 6 is formed, the sign 6
A number indicating that the position is at an angle of 180 degrees from the opening 3 is displayed, and from the formation position of the code portion 6 toward both sides,
Angles around the cell core on the peripheral surface of the side lump 1 are developed, and the angle scale 7 is displayed in a range of 90 degrees and 270 degrees.

この角度割り付け用テープ5の符合部6を側塊1の基
準部4に整合させ、第3図に示すように側塊1の周方向
に沿って貼着すれば、開口部3の中心線を起点とする側
塊1の周面上の所定位置の角度が角度目盛り7から読み
取ることができる。
If the matching portion 6 of the angle assignment tape 5 is aligned with the reference portion 4 of the side lump 1 and attached along the circumferential direction of the side lump 1 as shown in FIG. The angle of a predetermined position on the peripheral surface of the side lump 1 as a starting point can be read from the angle scale 7.

したがって、前述した各管体の接続角度についての現
場における測定結果をこの角度目盛り7の上に記せば、
側塊1の桝芯Oを求めることなく流入管の接続孔の削孔
位置を正確に割り付けることができる。
Therefore, if the measurement result of the connection angle of each pipe body described above at the site is written on this angle scale 7,
The drilling position of the connection hole of the inflow pipe can be accurately allocated without finding the square O of the side lump 1.

なお、この角度割り付け用テープ5上に展開して表示
された角度目盛り7相互の間隔は、側塊1の外径及び形
状によって異なるものであるため、該角度割り付け用テ
ープ5上の一部に、対象とする側塊1を特定する表示部
8を印刷しておくことが望ましい。
The interval between the angle scales 7 developed and displayed on the angle assigning tape 5 is different depending on the outer diameter and the shape of the side lump 1. It is desirable to print the display unit 8 for specifying the target side lump 1.

この角度割り付け用テープ5を数種類用意しておけ
ば、種々の側塊1に対しても流入管の接続孔の削孔位置
を正確に割り付けることができる。
If several kinds of the angle assignment tapes 5 are prepared, the drilling positions of the connection holes of the inflow pipe can be accurately assigned to various side blocks 1.

第4図は、帯状体の一方の端部に符合部6を形成し、
この符合部6を形成した位置から、他端に向けて180度
から90度までの範囲で角度目盛り7aを下段に、180度か
ら270度までの範囲で角度目盛り7bを上段に表示した角
度割り付け用テープ5を示す。
FIG. 4 shows that a matching portion 6 is formed at one end of the strip.
From the position where the sign 6 is formed, the angle scale 7a is displayed on the lower stage in the range of 180 to 90 degrees toward the other end, and the angle scale 7b is displayed on the upper stage in the range of 180 to 270 degrees. 1 shows a tape 5 for use.

この角度割り付け用テープ5は、一端に形成した符合
部6を側塊1の基準部4に整合させて、側塊1の流入管
を取り付けようとする周方向に向けて貼着し、上段の角
度目盛り7a又は下段の角度目盛り7bの何れかに流入管の
接続角度についての現場における測定結果を記せば、第
2図のものと同様に側塊1の桝芯Oを求めることなく流
入管の接続孔の削孔位置を正確に割り付けることができ
る。
The angle assigning tape 5 is attached to the reference portion 4 of the side lump 1 in such a manner that the matching portion 6 formed at one end thereof is aligned with the reference portion 4 of the side lump 1 in the circumferential direction in which the inflow pipe of the side lump 1 is to be attached. If the measurement result of the connection angle of the inflow pipe at the site is written on either the angle scale 7a or the lower angle scale 7b, the flow rate of the inflow pipe can be determined without obtaining the core O of the side mass 1 as in FIG. The drilling positions of the connection holes can be accurately allocated.

この場合の角度割り付け用テープ5は、第2図のもの
に比較して、ほぼ半分の長さの帯状体で済み、それに伴
って側塊1の周面への貼着作業も容易となる。
In this case, the angle allocating tape 5 needs to be a strip having a length almost half that of the tape shown in FIG. 2, so that the work of sticking to the peripheral surface of the side lump 1 becomes easy.

なお、幅員の狭い道路において使用される楕円形や長
円形の断面形状を有する側塊1にあっては、その周面に
おける桝芯O周りの角度を展開図に示した場合、各角度
目盛りの間隔が変化してくる。たとえば、第5図(a)
に示す長円形断面を有する側塊1では、流出管2が取り
付けられる開口部3の反対側の側塊1の周面に形成され
た基準部4から、桝芯Oを通り開口部3と基準部4とを
結ぶ線に直交する線に向けて、展開図における角度目盛
りの間隔が漸次狭まってくる。
In the case of the side lump 1 having an elliptical or elliptical cross-sectional shape used on a narrow road, when the angle around the cell O on the peripheral surface is shown in a developed view, each angle scale is The interval changes. For example, FIG.
In the side lump 1 having an oval cross section shown in FIG. 1, a reference portion 4 formed on the peripheral surface of the side lump 1 on the opposite side of the opening 3 to which the outflow pipe 2 is attached passes through the square O and forms a reference with the opening 3. The distance between the angle scales in the developed view gradually decreases toward a line orthogonal to the line connecting the portion 4.

したがって、このような側塊1において使用する角度
割り付け用テープ5については、その表面の角度目盛り
7も、これに相応した状態に表示されることになる。
Therefore, the angle scale 7 on the surface of the tape 5 for angle assignment used in such a side lump 1 is displayed in a state corresponding thereto.

以上に説明したように、種々の側塊1に対応した角度
割り付け用テープ5を使用することによって、容易に流
出管の接続角度を側塊1の周面に割り付けることができ
る。そして、このようにして流入管の接続孔を削孔した
側塊1どうしを連結する地中埋設管は、常に側塊1の桝
芯Oに向かっているので、管路敷設後の桝内における下
水の流れが円滑なものとなる。
As described above, the connection angle of the outflow pipe can be easily allocated to the peripheral surface of the side lump 1 by using the angle allocation tape 5 corresponding to various side lump 1. Then, the underground pipe connecting the side blocks 1 having the connection holes of the inflow pipes drilled in this way always faces toward the core O of the side block 1, so that the underground pipe in the box after the pipeline is laid is The flow of sewage becomes smooth.

〔発明の効果〕〔The invention's effect〕

以上に説明したように、本発明においては、角度割り
付け用テープを側塊の周面に貼着するだけで、各地中埋
設管の接続角度を側塊の周面に割り付けることができ
る。また、この角度割り付け用テープを使用して各管体
の接続孔を削孔した側塊どうしを地中埋設管によって連
結すれば、各管体は常に桝の桝芯に向かうので、管路敷
設後の桝内における下水の流れが円滑なものとなり、桝
内に汚物等が滞留することがない。
As described above, in the present invention, the connection angle of the buried pipes in various places can be assigned to the peripheral surface of the side lump only by sticking the angle-allocating tape on the peripheral surface of the side lump. In addition, if the side blocks obtained by drilling the connection holes of each pipe using this angle assignment tape are connected by an underground pipe, each pipe will always head toward the core of the tub, so pipe laying The flow of the sewage in the subsequent basin becomes smooth, and the sewage does not stay in the basin.

【図面の簡単な説明】[Brief description of the drawings]

第1図から第3図までは、円形断面を有する側塊の周面
に流入管(図示せず)の接続角度を割り付ける方法、及
びそのときに使用する角度割り付け用テープを説明する
ための図であり、第4図は、帯状体の上下二段に角度目
盛りを表示した角度割り付け用テープを示す。 また、第5図は異形断面を有する側塊の周面に流入管の
接続孔を削孔する際の角度割り付けを説明するための図
である。 1:側塊、2:流出管 3:開口部、4:基準部 5:角度割り付け用テープ 6:符合部、7:角度目盛り 8:表示部、O:桝芯
FIGS. 1 to 3 are diagrams for explaining a method of allocating a connection angle of an inflow pipe (not shown) to a peripheral surface of a side block having a circular cross section, and an angle allocating tape used at that time. FIG. 4 shows an angle allocating tape in which angle scales are displayed on the upper and lower two stages of the band. FIG. 5 is a diagram for explaining the angle assignment when drilling the connection hole of the inflow pipe on the peripheral surface of the side block having the irregular cross section. 1: Side mass, 2: Outflow pipe 3: Opening, 4: Reference part 5: Tape for angle assignment 6: Matching part, 7: Angle scale 8: Display part, O: Square core

Claims (4)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】帯状体の一方端部又は中央部に、側塊の周
面に形成される基準部に整合させるための符号部を形成
するとともに、前記帯状体の表面に、前記側塊の周面に
おける桝芯周りの角度を展開した角度目盛りを表示して
いることを特徴とする地中埋設管の接続角度割り付け用
テープ。
1. A sign portion for aligning with a reference portion formed on a peripheral surface of a side lump is formed at one end or a center of the band, and the side lump of the side lump is formed on a surface of the band. A tape for laying a connection angle for an underground pipe, wherein an angle scale obtained by developing an angle around a square core on a peripheral surface is displayed.
【請求項2】請求項1記載の角度目盛りが、帯状体の表
面に上下二段に表示されており、上段及び下段の角度目
盛りがそれぞれ前記帯状体の端部に形成された符合部の
位置を基準として、180度から90度まで及び180度から27
0度までの範囲で表示されていることを特徴とする地中
埋設管の接続角度割り付け用テープ。
2. An angle scale according to claim 1, wherein the angle scale is displayed on the surface of the band in two upper and lower stages, and the upper and lower angle scales are respectively located at the ends of the band. 180 to 90 degrees and 180 to 27 degrees
A tape for laying a connection angle for an underground pipe, which is displayed in a range of up to 0 degrees.
【請求項3】請求項1記載の角度目盛りが、帯状体の中
央部に形成された符合部の位置を180度とし、この位置
から両端部に向けて90度及び270度の範囲で表示されて
いることを特徴とする地中埋設管の接続角度割り付け用
テープ。
3. The angle scale according to claim 1, wherein the position of the sign formed at the center of the band is 180 degrees, and the angle scale is displayed in a range of 90 degrees and 270 degrees toward both ends from this position. A tape for laying connection angles of underground pipes, characterized in that:
【請求項4】側塊の周面に形成されている基準部に角度
割り付け用テープに形成された符合部を整合させて、該
角度割り付け用テープを前記側塊の周方向に貼着し、そ
の表面に表示された角度目盛りによって地中埋設管の接
続孔の削孔位置を割り付けることを特徴とする地中埋設
管の接続角度割り付け方法。
4. A code portion formed on an angle allocating tape is aligned with a reference portion formed on a peripheral surface of the side mass, and the angle allocating tape is attached in a circumferential direction of the side mass. A method of allocating a connection angle of an underground pipe, wherein a drilling position of a connection hole of the underground pipe is allocated according to an angle scale displayed on a surface thereof.
JP2020200A 1990-01-29 1990-01-29 Tape for assigning connection angle of underground pipe and method of assigning angle Expired - Lifetime JP2726322B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2020200A JP2726322B2 (en) 1990-01-29 1990-01-29 Tape for assigning connection angle of underground pipe and method of assigning angle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020200A JP2726322B2 (en) 1990-01-29 1990-01-29 Tape for assigning connection angle of underground pipe and method of assigning angle

Publications (2)

Publication Number Publication Date
JPH03223604A JPH03223604A (en) 1991-10-02
JP2726322B2 true JP2726322B2 (en) 1998-03-11

Family

ID=12020524

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020200A Expired - Lifetime JP2726322B2 (en) 1990-01-29 1990-01-29 Tape for assigning connection angle of underground pipe and method of assigning angle

Country Status (1)

Country Link
JP (1) JP2726322B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06185087A (en) * 1992-10-05 1994-07-05 Takamura Kenzai Kogyo Kk Body block for manhole and boring method of hole in block
CN103353267B (en) * 2013-07-19 2015-09-23 太仓伟利达铭板科技有限公司 A kind of pick-up unit being exclusively used in computer display screen support

Also Published As

Publication number Publication date
JPH03223604A (en) 1991-10-02

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