JPS631092U - - Google Patents
Info
- Publication number
- JPS631092U JPS631092U JP9446086U JP9446086U JPS631092U JP S631092 U JPS631092 U JP S631092U JP 9446086 U JP9446086 U JP 9446086U JP 9446086 U JP9446086 U JP 9446086U JP S631092 U JPS631092 U JP S631092U
- Authority
- JP
- Japan
- Prior art keywords
- frame
- lid
- ventilation
- manhole
- intrusion
- 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
- 238000009423 ventilation Methods 0.000 claims description 4
- 241001465754 Metazoa Species 0.000 claims 1
Description
図面は本案の実施例を示すもので、第１図は本
案器具の正面図、第２図は同上Ａ―Ａ線断面図、
第３図は蓋体の取付構造を示す断断面図、第４図
は使用状態の断面図である。
１……枠体、２……通気部、３……通気孔、４
……蓋体。
The drawings show an embodiment of the present invention; Fig. 1 is a front view of the proposed device, Fig. 2 is a cross-sectional view taken along line A-A of the same as above;
FIG. 3 is a sectional view showing the mounting structure of the lid, and FIG. 4 is a sectional view of the lid in use. 1... Frame body, 2... Ventilation section, 3... Ventilation hole, 4
...Lid body.
Claims (1)
自在に装着する弾力性を備えた枠体１と、該枠体
１の上方部に多数の通気孔３を穿設してなる通気
部２と、前記枠体１の内側に突出したピン５に軸
装し、下流方向に対してのみ開蓋可能とした蓋体
４とからなることを特徴とする下水管における小
動物等の侵入防止器具。 A frame 1 having elasticity that can be detachably attached to the mouth of a drain pipe connected to a manhole, and a ventilation section 2 having a large number of ventilation holes 3 formed in the upper part of the frame 1. A device for preventing the intrusion of small animals and the like into a sewer pipe, characterized by comprising a lid 4 which is mounted on a pin 5 projecting inside the frame 1 and can be opened only in the downstream direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9446086U JPS631092U (en) | 1986-06-20 | 1986-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9446086U JPS631092U (en) | 1986-06-20 | 1986-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS631092U true JPS631092U (en) | 1988-01-06 |
Family
ID=30957946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9446086U Pending JPS631092U (en) | 1986-06-20 | 1986-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS631092U (en) |
-
1986
- 1986-06-20 JP JP9446086U patent/JPS631092U/ja active Pending