GB435570A - Improvements in and relating to subsoil drainage pipes or conduits - Google Patents
Improvements in and relating to subsoil drainage pipes or conduitsInfo
- Publication number
- GB435570A GB435570A GB934434A GB934434A GB435570A GB 435570 A GB435570 A GB 435570A GB 934434 A GB934434 A GB 934434A GB 934434 A GB934434 A GB 934434A GB 435570 A GB435570 A GB 435570A
- Authority
- GB
- United Kingdom
- Prior art keywords
- conduits
- pipe
- class
- relating
- water
- 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.)
- Expired
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
- E02B11/005—Drainage conduits
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
435,570. Conduits. CLIFFORD, G. F., 4, Institution Hill, River Valley Road, Singapore, Straits Settlements. March 24, 1934, No. 9344. [Class 33] [See also Group XXVIII] A subsoil drainage pipe or conduit is made of porous material such as earthenware through which water may percolate into the interior of the pipe, and is covered over part of its internal peripheral surface with a non-porous waterproof covering, whereby the percolated water may flow without further seepage and with small loss of friction head. In the form shown, the pipe has approximately onehalf of its invert treated with a coat B of bitumen, asphalt, rubber, gutta-percha, cement, waterproof glaze, &c. Specification 4712/90, [Class 33], is referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB934434A GB435570A (en) | 1934-03-24 | 1934-03-24 | Improvements in and relating to subsoil drainage pipes or conduits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB934434A GB435570A (en) | 1934-03-24 | 1934-03-24 | Improvements in and relating to subsoil drainage pipes or conduits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB435570A true GB435570A (en) | 1935-09-24 |
Family
ID=9870141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB934434A Expired GB435570A (en) | 1934-03-24 | 1934-03-24 | Improvements in and relating to subsoil drainage pipes or conduits |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB435570A (en) |
-
1934
- 1934-03-24 GB GB934434A patent/GB435570A/en not_active Expired
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