JPS56146511A - Weir - Google Patents
WeirInfo
- Publication number
- JPS56146511A JPS56146511A JP7873880A JP7873880A JPS56146511A JP S56146511 A JPS56146511 A JP S56146511A JP 7873880 A JP7873880 A JP 7873880A JP 7873880 A JP7873880 A JP 7873880A JP S56146511 A JPS56146511 A JP S56146511A
- Authority
- JP
- Japan
- Prior art keywords
- bag body
- weir
- feeding
- air
- internal bag
- 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
Landscapes
- Barrages (AREA)
Abstract
PURPOSE: To uniformize the weight of a rubber weir when it is leveled by providing an internal bag body expanding or reducing with feeding of air into or discharging thereof from the external bag body adapted to erect with the feeding on discharging of water.
CONSTITUTION: A river A flows in the direction B and a weir body X is set on a bed D thereof. The weir body X comprises an internal bag body 1 adapted to expand or reduce with the feeding of air or discharging thereof and an external bag body which houses the internal bag body 1 and adapted to erect being expanded or level being reduced with feed of air into or discharge thereof from it. The internal bag body 1 and the external bag body 2 are made of a flexible sheet such as the rubber. The internal bag body 1 is airtight and the external bag body 2 is of a water stopping property. Therefore, the weight of the weir X at erection is made almost even over the entire length depending on the form retaining effect of the internal bag body 1 during the feeding of air.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55078738A JPS6037244B2 (en) | 1980-06-11 | 1980-06-11 | weir |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55078738A JPS6037244B2 (en) | 1980-06-11 | 1980-06-11 | weir |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4851580A Division JPS6020526B2 (en) | 1980-04-12 | 1980-04-12 | weir |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56146511A true JPS56146511A (en) | 1981-11-14 |
| JPS6037244B2 JPS6037244B2 (en) | 1985-08-24 |
Family
ID=13670223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55078738A Expired JPS6037244B2 (en) | 1980-06-11 | 1980-06-11 | weir |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6037244B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7114879B2 (en) | 2001-07-09 | 2006-10-03 | Henry K. Obermeyer | Water control gate and actuator therefore |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5633335U (en) * | 1979-08-22 | 1981-04-01 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52146425A (en) * | 1976-05-31 | 1977-12-06 | Nippon Zeon Co | Public engineering and building materials |
-
1980
- 1980-06-11 JP JP55078738A patent/JPS6037244B2/en not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5633335U (en) * | 1979-08-22 | 1981-04-01 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7114879B2 (en) | 2001-07-09 | 2006-10-03 | Henry K. Obermeyer | Water control gate and actuator therefore |
| US8511937B2 (en) | 2001-07-09 | 2013-08-20 | Henry K. Obermeyer | Water control apparatus |
| US9028170B2 (en) | 2001-07-09 | 2015-05-12 | Henry K. Obermeyer | Water control apparatus |
| US9765495B2 (en) | 2001-07-09 | 2017-09-19 | Henry K. Obermeyer | Water control apparatus |
| US10370813B2 (en) | 2001-07-09 | 2019-08-06 | Henry K. Obermeyer | Water control apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6037244B2 (en) | 1985-08-24 |
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