JPH10244591A - Joiner and joint structure of strip by joiner - Google Patents
Joiner and joint structure of strip by joinerInfo
- Publication number
- JPH10244591A JPH10244591A JP4880897A JP4880897A JPH10244591A JP H10244591 A JPH10244591 A JP H10244591A JP 4880897 A JP4880897 A JP 4880897A JP 4880897 A JP4880897 A JP 4880897A JP H10244591 A JPH10244591 A JP H10244591A
- Authority
- JP
- Japan
- Prior art keywords
- joiner
- strip
- main body
- tube
- backing material
- 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
- 239000000463 material Substances 0.000 claims abstract description 20
- 229920003002 synthetic resin Polymers 0.000 description 6
- 239000000057 synthetic resin Substances 0.000 description 6
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明はジョイナおよびジョイ
ナによるストリップの接合構造に関し、特にたとえば老
朽化した下水管等の内面に沿って螺旋状に巻回されるス
トリップの幅方向側縁どうしを接合するジョイナおよび
ジョイナによるストリップの接合構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joiner and a joining structure of strips by the joiner, and more particularly to joining widthwise side edges of a strip spirally wound along an inner surface of an aged sewer pipe or the like. The present invention relates to a joiner and a joining structure of strips by the joiner.
【０００２】[0002]
【従来の技術】この種のジョイナおよびジョイナによる
ストリップの接合構造の一例が、特開平８−７５０４２
号に開示されている。すなわち、この公報の図２には、
ジョイナの係合部に形成された突条をストリップの巻回
側縁（幅方向側縁）に嵌合するとともに、管の内面とス
トリップおよびジョイナとの間に裏込材を充填した構成
が開示されている。2. Description of the Related Art An example of this type of joiner and a joining structure of strips by the joiner is disclosed in Japanese Patent Application Laid-Open No. 8-75042.
Issue. That is, in FIG. 2 of this publication,
A configuration is disclosed in which a ridge formed at an engagement portion of a joiner is fitted to a winding side edge (width direction side edge) of a strip, and a backing material is filled between an inner surface of a tube and the strip and the joiner. Have been.
【０００３】[0003]
【発明が解決しようとする課題】従来技術では、ストリ
ップの幅方向側縁にジョイナの突条を嵌合するようにし
てはいるものの、ジョイナがストリップから容易に離脱
してしまうという問題点があった。それゆえに、この発
明の主たる目的は、ジョイナの離脱を防止できる、ジョ
イナおよびジョイナによるストリップの接合構造を提供
することである。In the prior art, although the ridge of the joiner is fitted to the side edge of the strip in the width direction, there is a problem that the joiner is easily detached from the strip. Was. Therefore, a main object of the present invention is to provide a joiner and a joining structure of strips by the joiner, which can prevent the detachment of the joiner.
【０００４】[0004]
【課題を解決するための手段】第１の発明は、管の内面
に沿って螺旋状に巻回される帯状ストリップの幅方向側
縁どうしを接合するためのジョイナであって、幅方向側
縁間に配置される本体、本体に設けられるかつ幅方向側
縁のそれぞれと嵌まり合う第１および第２の突条、およ
び本体に設けられるかつ管の内面と本体との間に充填さ
れる裏込材に埋め込まれるアンカ部を備える、ジョイナ
である。A first aspect of the present invention is a joiner for joining widthwise side edges of a strip of a strip spirally wound along an inner surface of a tube, wherein the widthwise side edges are joined. A main body disposed therebetween, first and second ridges provided on the main body and engaging with respective widthwise side edges, and a back provided on the main body and filled between the inner surface of the tube and the main body. A joiner including an anchor portion embedded in a filling material.
【０００５】第２の発明は、管の内面に沿って螺旋状に
巻回された帯状ストリップの幅方向側縁どうしを第１の
発明のジョイナ（または第１の発明のジョイナにおける
本体の内面を平坦にしたジョイナ）を用いて互いに接合
し、管の内面とストリップおよびジョイナのそれぞれと
の間に裏込材を充填してアンカ部を裏込材に埋め込ん
だ、ジョイナによるストリップの接合構造である。[0005] In a second aspect of the present invention, the widthwise side edges of the strip strip spirally wound along the inner surface of the tube are connected to the joiner of the first aspect of the invention (or the inner surface of the main body of the joiner of the first aspect of the invention). A joint structure of strips by a joiner in which a backing material is filled between the inner surface of the pipe and each of the strip and the joiner, and an anchor portion is embedded in the backing material. .
【０００６】[0006]
【作用】ジョイナの本体に設けられたアンカ部が管の内
面とジョイナ（本体）との間に充填された裏込材に埋め
込まれるので、裏込材の硬化後は、アンカ部が裏込材に
強固に固定される。[Function] Since the anchor portion provided on the body of the joiner is embedded in the backing material filled between the inner surface of the pipe and the joiner (body), after the backing material is cured, the anchor portion becomes the backing material. Firmly fixed to
【０００７】[0007]
【発明の効果】第１および第２の発明によれば、ジョイ
ナがストリップから離脱するのを防止できる。この発明
の上述の目的，その他の目的，特徴および利点は、図面
を参照して行う以下の実施例の詳細な説明から一層明ら
かとなろう。According to the first and second aspects of the present invention, the joiner can be prevented from coming off the strip. The above and other objects, features and advantages of the present invention will become more apparent from the following detailed description of embodiments with reference to the drawings.
【０００８】[0008]
【実施例】図１〜図３に示すこの実施例のジョイナ１０
は、老朽化した下水管１２を更生するために、あるいは
新設の下水管１２の内面を保護するために、下水管１２
の内面に沿って螺旋状に巻回された帯状ストリップ１４
の幅方向側縁どうしを接合して内管１６を形成するため
のものである。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A joiner 10 of this embodiment shown in FIGS.
In order to rehabilitate the aging sewer pipe 12 or to protect the inner surface of the new sewer pipe 12,
Strip 14 spirally wound along the inner surface of
Are formed to form the inner tube 16 by joining the side edges in the width direction.
【０００９】ストリップ１４は、たとえば硬質塩化ビニ
ル等のような合成樹脂の押出成形によって連続的に形成
されるものであり、帯状の本体１８を含む。本体１８の
一方主面には、下水管１２の内面に当接する断面略Ｔ状
の脚部２０が長手方向に延びて形成され、また、本体１
８の幅方向両側縁には、条溝２２が長手方向に延びて形
成される。条溝２２は、本体１８に近い第１壁２４と本
体１８から遠い第２壁２６とによって規定され、第２壁
２６の内面には、図２に示すように、断面略鋸歯状の突
起２８が形成される。また、条溝２２の底部には、下水
管１２の内面に当接する断面略コ状の脚部３０が形成さ
れる。The strip 14 is formed continuously by extruding a synthetic resin such as hard vinyl chloride or the like, and includes a strip-shaped main body 18. On one main surface of the main body 18, a leg portion 20 having a substantially T-shaped cross section that is in contact with the inner surface of the sewer pipe 12 is formed to extend in the longitudinal direction.
8 are formed on both side edges in the width direction so as to extend in the longitudinal direction. The groove 22 is defined by a first wall 24 close to the main body 18 and a second wall 26 remote from the main body 18. On the inner surface of the second wall 26, as shown in FIG. Is formed. A leg 30 having a substantially U-shaped cross section is formed at the bottom of the groove 22 to be in contact with the inner surface of the sewer pipe 12.
【００１０】ジョイナ１０は、たとえば硬質塩化ビニル
等のような硬質合成樹脂の押出成形によって連続的に形
成されるものであり、平坦な内面を有する帯状の本体３
２を含む。本体３２の幅方向両端部には、ストリップ１
４の条溝２２に嵌合される突条３４および突条３４と協
働してストリップ１４の第２壁２６を挟持する挟持部３
６が外面から突出して形成される。そして、突条３４に
は、第２壁２６に形成された突起２８と係合される断面
略鋸歯状の突起３８が形成される。さらに、本体３２に
は、挟持部３４から本体３２の主面に対して略平行方向
に延びてアンカ部４０が形成される。The joiner 10 is formed continuously by extrusion of a hard synthetic resin such as hard vinyl chloride, for example, and has a band-shaped main body 3 having a flat inner surface.
2 inclusive. Strips 1 are provided at both ends in the width direction of the main body 32.
4 and a holding portion 3 for holding the second wall 26 of the strip 14 in cooperation with the protrusion 34.
6 are formed projecting from the outer surface. The protrusion 34 is formed with a protrusion 38 having a substantially sawtooth cross section which is engaged with the protrusion 28 formed on the second wall 26. Further, an anchor portion 40 is formed on the main body 32 so as to extend from the holding portion 34 in a direction substantially parallel to the main surface of the main body 32.
【００１１】下水管１２の内面に内管１６を形成する際
には、図２および図３からよくわかるように、ストリッ
プ１４を下水管１２の内面に沿って螺旋状に巻回し、ジ
ョイナ１０の突条３４をストリップ１４の条溝２２に嵌
め込んでストリップ１４の幅方向側縁どうしを接合す
る。このとき、下水管１２の内面に段差がある場合に
は、図４に示すように、ジョイナ１０の本体３２が段差
に沿って変形する。When forming the inner tube 16 on the inner surface of the sewer tube 12, the strip 14 is spirally wound along the inner surface of the sewer tube 12, as can be clearly seen from FIGS. The ridge 34 is fitted into the groove 22 of the strip 14 to join the side edges of the strip 14 in the width direction. At this time, if there is a step on the inner surface of the sewer pipe 12, the main body 32 of the joiner 10 is deformed along the step as shown in FIG.
【００１２】内管１６を形成した後、下水管１２の内面
とストリップ１４およびジョイナ１０との間にセメント
ミルク等のような裏込材４２を充填する。すると、ジョ
イナ１０に形成されたアンカ部４０が裏込材４２内に埋
め込まれ、裏込材４２の硬化後は、アンカ部４０が裏込
材４２に強固に固定される。なお、ジョイナ１０におけ
る本体３２の内面は平坦に形成されているので、この内
面を後処理する必要はない。After the inner tube 16 is formed, a backing material 42, such as cement milk, is filled between the inner surface of the sewer tube 12 and the strip 14 and the joiner 10. Then, the anchor portion 40 formed in the joiner 10 is embedded in the backing material 42, and after the backing material 42 is hardened, the anchor portion 40 is firmly fixed to the backing material 42. In addition, since the inner surface of the main body 32 in the joiner 10 is formed flat, it is not necessary to post-process this inner surface.
【００１３】この実施例によれば、ジョイナ１０に形成
されたアンカ部４０が裏込材４２に固定されるので、ジ
ョイナ１０がストリップ１４から離脱するのが防止され
得る。なお、上述の実施例では、ジョイナ１０全体を硬
質塩化ビニル等のような硬質合成樹脂で形成するように
しているが、本体３２の中央部を軟質塩化ビニル等のよ
うな軟質合成樹脂で形成するようにしてもよい。このよ
うにすると、本体３２により大きな屈曲性を持たせるこ
とができるので、下水管１２の内面に生じた段差（図
４）が大きい場合にも十分に対処できる。According to this embodiment, since the anchor portion 40 formed on the joiner 10 is fixed to the backing material 42, the detachment of the joiner 10 from the strip 14 can be prevented. In the above-described embodiment, the entire joiner 10 is formed of a hard synthetic resin such as hard vinyl chloride, but the center of the main body 32 is formed of a soft synthetic resin such as soft vinyl chloride. You may do so. With this configuration, the main body 32 can have greater flexibility, so that it is possible to sufficiently cope with a case where the step (FIG. 4) generated on the inner surface of the sewer pipe 12 is large.
【００１４】また、たとえば図５に示すように、本体３
２の中央部を硬質合成樹脂または軟質合成樹脂でＵ状に
形成するようにしてもよい。このようにすると、Ｕ状部
４４において本体３２が幅方向に伸縮するので、ストリ
ップ１４の幅方向側縁間の間隔のばらつきにも十分に対
処できる。ただし、この場合には、本体３２の内面に生
じたＵ状の凹部に充填材を充填して内面を平坦にする必
要がある。For example, as shown in FIG.
2 may be formed in a U-shape with a hard synthetic resin or a soft synthetic resin. In this way, since the main body 32 expands and contracts in the width direction at the U-shaped portion 44, it is possible to sufficiently cope with variations in the interval between the side edges of the strip 14 in the width direction. However, in this case, it is necessary to fill the U-shaped recess formed on the inner surface of the main body 32 with a filler to flatten the inner surface.
【００１５】さらに、アンカ部４０は、上述の実施例の
形状に限定されるものではなく、たとえば図６に示すよ
うに略Ｌ状に形成されてもよいし、たとえば図７に示す
ように、略Ｔ状に形成されてもよい。Further, the anchor portion 40 is not limited to the shape of the above-described embodiment, and may be formed in a substantially L shape as shown in FIG. 6, for example, or as shown in FIG. It may be formed in a substantially T shape.
【図１】この発明の一実施例を示す斜視図である。FIG. 1 is a perspective view showing an embodiment of the present invention.
【図２】図１実施例の使用状態を示す図解図である。FIG. 2 is an illustrative view showing a use state of the embodiment in FIG. 1;
【図３】下水管の内面に内管を形成した状態を示す図解
図である。FIG. 3 is an illustrative view showing a state where an inner pipe is formed on an inner surface of the sewer pipe;
【図４】段差部の状態を示す図解図である。FIG. 4 is an illustrative view showing a state of a step portion;
【図５】この発明の他の実施例を示す図解図である。FIG. 5 is an illustrative view showing another embodiment of the present invention;
【図６】この発明の他の実施例を示す図解図である。FIG. 6 is an illustrative view showing another embodiment of the present invention;
【図７】この発明の他の実施例を示す図解図である。FIG. 7 is an illustrative view showing another embodiment of the present invention;
１０ …ジョイナ １２ …下水管 １４ …ストリップ １６ …内管 ３２ …本体 ３４ …突条 ３６ …挟持部 ３８ …突起 ４０ …アンカ部 ４２ …裏込材 DESCRIPTION OF SYMBOLS 10 ... Joiner 12 ... Sewer pipe 14 ... Strip 16 ... Inner pipe 32 ... Main body 34 ... Protrusion 36 ... Nipping part 38 ... Projection 40 ... Anchor part 42 ... Backing material
───────────────────────────────────────────────────── フロントページの続き (72)発明者 篠原 峰生 大阪市天王寺区餌差町７番６号 株式会社 大阪防水建設社内 (72)発明者 宮川 恒夫 東京都中央区新川１丁目８番８号 株式会 社クボタ建設内 (72)発明者 尾関 直哉 東京都中央区新川１丁目８番８号 株式会 社クボタ建設内 (72)発明者 中本 敏夫 大阪府堺市石津北町64番地 株式会社クボ タビニルパイプ工場内 (72)発明者 高田 和孝 大阪府堺市石津北町64番地 株式会社クボ タビニルパイプ工場内 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Mineo Shinohara 7-6, Bashizashi-cho, Tennoji-ku, Osaka-shi In-house Osaka Waterproofing Co., Ltd. (72) Inventor Tsuneo Miyagawa 1-8-8 Shinkawa, Chuo-ku, Tokyo Stock Inside Kubota Corporation (72) Inventor Naoya Ozeki 1-8-8 Shinkawa, Chuo-ku, Tokyo Inside Kubota Corporation (72) Inventor Toshio Nakamoto 64 Ishizu-Kitacho, Sakai City, Osaka Prefecture Kubota Vinyl Pipe Plant Co., Ltd. (72) Inventor Kazutaka Takada 64 Ishizu-Kitacho, Sakai-shi, Osaka Inside Kubota Vinyl Pipe Factory
Claims (3)
ストリップの幅方向側縁どうしを接合するためのジョイ
ナであって、 前記幅方向側縁間に配置される本体、 前記本体に設けられるかつ前記幅方向側縁のそれぞれと
嵌まり合う第１および第２の突条、および前記本体に設
けられるかつ前記管の内面と前記本体との間に充填され
る裏込材に埋め込まれるアンカ部を備える、ジョイナ。1. A joiner for joining widthwise side edges of a strip strip spirally wound along an inner surface of a tube, wherein the body is disposed between the widthwise side edges. First and second ridges provided on the main body and fitted with each of the width-direction side edges, and embedded in a backing material provided on the main body and filled between the inner surface of the tube and the main body. Joiner with an anchor part to be inserted.
記載のジョイナ。2. The body according to claim 1, wherein an inner surface of said body is flattened.
Joiner mentioned.
ストリップの幅方向側縁どうしを請求項１または２記載
のジョイナを用いて互いに接合し、前記管の内面と前記
ストリップおよび前記ジョイナのそれぞれとの間に裏込
材を充填して前記アンカ部を前記裏込材に埋め込んだ、
ジョイナによるストリップの接合構造。3. The strip-shaped strips spirally wound along the inner surface of the tube are joined to each other by using the joiner according to claim 1 or 2, and the inner surface of the tube and the strip are joined together. Filling a backing material between each of the joiners and embedding the anchor portion in the backing material,
Striper joint structure by joiner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4880897A JP3571481B2 (en) | 1997-03-04 | 1997-03-04 | Joiner and strip joining structure by joiner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4880897A JP3571481B2 (en) | 1997-03-04 | 1997-03-04 | Joiner and strip joining structure by joiner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10244591A true JPH10244591A (en) | 1998-09-14 |
| JP3571481B2 JP3571481B2 (en) | 2004-09-29 |
Family
ID=12813518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4880897A Expired - Lifetime JP3571481B2 (en) | 1997-03-04 | 1997-03-04 | Joiner and strip joining structure by joiner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3571481B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002120290A (en) * | 2000-10-17 | 2002-04-23 | Ashimori Ind Co Ltd | Inner surface member and tube member for repairing existing pipe line and method for repairing existing pipe line |
| JP2004069037A (en) * | 2002-08-09 | 2004-03-04 | Kubota Corp | Reinforcing member for helical pipe, and method for constructing regenerated pipe using the same |
| JP2004251340A (en) * | 2003-02-19 | 2004-09-09 | Kubota Corp | Joiner |
| JP2015009557A (en) * | 2013-07-02 | 2015-01-19 | 株式会社大阪防水建設社 | Lining method, lining structure, lining material |
-
1997
- 1997-03-04 JP JP4880897A patent/JP3571481B2/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002120290A (en) * | 2000-10-17 | 2002-04-23 | Ashimori Ind Co Ltd | Inner surface member and tube member for repairing existing pipe line and method for repairing existing pipe line |
| JP2004069037A (en) * | 2002-08-09 | 2004-03-04 | Kubota Corp | Reinforcing member for helical pipe, and method for constructing regenerated pipe using the same |
| JP2004251340A (en) * | 2003-02-19 | 2004-09-09 | Kubota Corp | Joiner |
| JP2015009557A (en) * | 2013-07-02 | 2015-01-19 | 株式会社大阪防水建設社 | Lining method, lining structure, lining material |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3571481B2 (en) | 2004-09-29 |
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