JPS6439996U - - Google Patents
Info
- Publication number
- JPS6439996U JPS6439996U JP13610487U JP13610487U JPS6439996U JP S6439996 U JPS6439996 U JP S6439996U JP 13610487 U JP13610487 U JP 13610487U JP 13610487 U JP13610487 U JP 13610487U JP S6439996 U JPS6439996 U JP S6439996U
- Authority
- JP
- Japan
- Prior art keywords
- water stop
- collar
- pipe joint
- tubular body
- propulsion pipe
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Joints With Sleeves (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Description
第１図は本考案になる推進管継手の止水部の詳
細を示す拡大断面図、第２図は第１図に示す止水
部を採用した推進管の概略を示す図、第３図は従
来技術になる止水部を示す図である。
２０，２０′……推進管、２５……管体、２６
，２６′……鋼製カラー、２８……第一の段部、
２９……第二の段部、３０……溝、３１……ゴム
輪、３３……環状突起、３４……テーパカラー部
、３６……水膨潤性ゴム。
Figure 1 is an enlarged cross-sectional view showing details of the water stop part of the propulsion pipe joint according to the present invention, Figure 2 is a diagram schematically showing a propulsion pipe adopting the water stop part shown in Figure 1, and Figure 3 is It is a figure which shows the water stop part which becomes a prior art. 20, 20'... Propulsion tube, 25... Tube body, 26
, 26'... steel collar, 28... first step,
29...Second step portion, 30...Groove, 31...Rubber ring, 33...Annular projection, 34...Tapered collar portion, 36...Water-swellable rubber.
Claims (1)
金属製の中空円管状カラーと、前記管体の他端外
周に形成され、前記カラーと嵌合する段部と、該
段部に嵌め込まれ、前記カラーとの間に挾間され
る弾性体の環状止水部材とから成る推進管継手の
止水部において、前記弾性体の環状止水部材は、
前記カラーの内壁面に密着する襞状の突起部と、
前記突起部から前記管体の推進先端側に向かつて
その端面付近まで延長された勾配の緩いテーパ面
を有するテーパカラー部とから構成され、前記管
体の段部が段差を有する第一の段部と第二の段部
とからなり、これら段部の間に第二の段部よりさ
らに低い溝を形成し、これら第一と第二の段部に
わたつて嵌め込まれた前記止水部材の内周側に形
成された突起が前記溝に嵌まり込んでいることを
特徴とする推進管継手の止水部。 (2) 実用新案登録請求の範囲第１項において、
前記環状止水部材は、襞状突起の一部とその基部
とが水膨潤性ゴムからなり、これを挾む両側の部
分が水非膨潤性ゴムからなることを特徴とする推
進管継手の止水部。[Claims for Utility Model Registration] (1) A hollow circular tubular collar made of metal fixed to the outer periphery of one end of a hollow circular tubular body, and a hollow circular tubular collar formed on the outer periphery of the other end of the tubular body and fitted with the collar. In the water stop part of the propulsion pipe joint, the water stop part of the propulsion pipe joint is composed of a stepped part and an elastic annular water stop member fitted into the step part and interposed between the collar and the elastic annular water stop member.
a pleated protrusion that closely contacts the inner wall surface of the collar;
a tapered collar portion having a tapered surface with a gentle slope extending from the protrusion toward the propulsion tip side of the tubular body to near the end face thereof, and the stepped portion of the tubular body has a first step having a step; and a second step, a groove lower than the second step is formed between these steps, and the water stop member is fitted across the first and second steps. A water stop portion of a propulsion pipe joint, characterized in that a protrusion formed on the inner peripheral side fits into the groove. (2) In paragraph 1 of the claims for utility model registration,
The annular water stop member is a stop for a propulsion pipe joint, characterized in that a part of the pleated protrusion and its base are made of water-swellable rubber, and the parts on both sides sandwiching this are made of water-non-swellable rubber. Water club.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13610487U JPS6439996U (en) | 1987-09-05 | 1987-09-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13610487U JPS6439996U (en) | 1987-09-05 | 1987-09-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6439996U true JPS6439996U (en) | 1989-03-09 |
Family
ID=31396301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13610487U Pending JPS6439996U (en) | 1987-09-05 | 1987-09-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6439996U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6016084B2 (en) * | 1977-10-31 | 1985-04-23 | キヤノン株式会社 | thermal head |
-
1987
- 1987-09-05 JP JP13610487U patent/JPS6439996U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6016084B2 (en) * | 1977-10-31 | 1985-04-23 | キヤノン株式会社 | thermal head |