JPS5724715A - Culvert drain pipe - Google Patents
Culvert drain pipeInfo
- Publication number
- JPS5724715A JPS5724715A JP10022180A JP10022180A JPS5724715A JP S5724715 A JPS5724715 A JP S5724715A JP 10022180 A JP10022180 A JP 10022180A JP 10022180 A JP10022180 A JP 10022180A JP S5724715 A JPS5724715 A JP S5724715A
- Authority
- JP
- Japan
- Prior art keywords
- threads
- selan
- welded
- fushion
- thread
- 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
Abstract
PURPOSE: To provide a drainage pipe which is manufactured such that a right and a left thick plastic selan thread are fushion-welded at an intersection to form a resinoid frame, and a large number of plastic thin threads, running in an outer circumferential axis, are fushion-welded to form a netform cylindrical frame.
CONSTITUTION: A very thick thread, made of a toughened plastic resin, such as high density polyethylene, is used as right selan threads 11 and left selan threads 12, of which a net cylindrical frame consists. In the example, the inner right selan threads 11 and the outer left selan threads 12 are alternately placed at every 3- thread intervals, and overlapped intersections are fusion-welded. A large number of thin plastic resin threads 2 are fushion-welded at an outer circumference of a netform cylindrical frame 1 so formed to finish forming of a culvert drain pipe, and as a result, at least 1,000kg or more of a flatness strength per 1m2 can be obtained.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10022180A JPS5724715A (en) | 1980-07-22 | 1980-07-22 | Culvert drain pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10022180A JPS5724715A (en) | 1980-07-22 | 1980-07-22 | Culvert drain pipe |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5724715A true JPS5724715A (en) | 1982-02-09 |
JPS6144162B2 JPS6144162B2 (en) | 1986-10-01 |
Family
ID=14268237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10022180A Granted JPS5724715A (en) | 1980-07-22 | 1980-07-22 | Culvert drain pipe |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5724715A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018077268A (en) * | 2016-11-07 | 2018-05-17 | 株式会社イノアックコーポレーション | Roller for image forming apparatus and method for manufacturing the same |
-
1980
- 1980-07-22 JP JP10022180A patent/JPS5724715A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018077268A (en) * | 2016-11-07 | 2018-05-17 | 株式会社イノアックコーポレーション | Roller for image forming apparatus and method for manufacturing the same |
Also Published As
Publication number | Publication date |
---|---|
JPS6144162B2 (en) | 1986-10-01 |
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