JPH0475290U - - Google Patents
Info
- Publication number
- JPH0475290U JPH0475290U JP11816690U JP11816690U JPH0475290U JP H0475290 U JPH0475290 U JP H0475290U JP 11816690 U JP11816690 U JP 11816690U JP 11816690 U JP11816690 U JP 11816690U JP H0475290 U JPH0475290 U JP H0475290U
- Authority
- JP
- Japan
- Prior art keywords
- tube
- protrusions
- sheath
- places
- utility
- 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 4
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の実施例を示す一部切欠き側面
図、第２図は第１図における−断面図、第３
図、第４図並びに第５図はそれぞれ本考案におい
て使用する異なる通水用管を示す断面図、第６図
並びに第７図はそれぞれ本考案において使用する
他の異なる通水用管を示す斜視図である。
１……鞘管、２……通水用管、２１……突起。
Figure 1 is a partially cutaway side view showing an embodiment of the present invention, Figure 2 is a sectional view of Figure 1, and Figure 3 is a cross-sectional view of Figure 1.
Figures 4 and 5 are cross-sectional views showing different water pipes used in the present invention, and Figures 6 and 7 are perspective views showing other different water pipes used in the present invention. It is a diagram. 1...Sheath pipe, 2...Water flow pipe, 21...Protrusion.
Claims (1)
て突起を有し、これらの突起を含めた外径が鞘管
内径の９０％以上である通水用管を通管したこと
を特徴とする鞘管式配管。 It is characterized by having a water passage pipe which has protrusions on the tube surface at three or more places on the outer periphery of the tube, and whose outer diameter including these protrusions is 90% or more of the inner diameter of the sheath tube. Sheath type piping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11816690U JPH0475290U (en) | 1990-11-09 | 1990-11-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11816690U JPH0475290U (en) | 1990-11-09 | 1990-11-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0475290U true JPH0475290U (en) | 1992-06-30 |
Family
ID=31866070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11816690U Pending JPH0475290U (en) | 1990-11-09 | 1990-11-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0475290U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003343766A (en) * | 2002-05-23 | 2003-12-03 | Sekisui Chem Co Ltd | Soundproof tube |
-
1990
- 1990-11-09 JP JP11816690U patent/JPH0475290U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003343766A (en) * | 2002-05-23 | 2003-12-03 | Sekisui Chem Co Ltd | Soundproof tube |