JPS491469A - - Google Patents
Info
- Publication number
- JPS491469A JPS491469A JP4076872A JP4076872A JPS491469A JP S491469 A JPS491469 A JP S491469A JP 4076872 A JP4076872 A JP 4076872A JP 4076872 A JP4076872 A JP 4076872A JP S491469 A JPS491469 A JP S491469A
- Authority
- JP
- Japan
- 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
- Extrusion Of Metal (AREA)
- Metal Extraction Processes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47040768A JPS5141865B2 (US06623731-20030923-C00052.png) | 1972-04-22 | 1972-04-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47040768A JPS5141865B2 (US06623731-20030923-C00052.png) | 1972-04-22 | 1972-04-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS491469A true JPS491469A (US06623731-20030923-C00052.png) | 1974-01-08 |
| JPS5141865B2 JPS5141865B2 (US06623731-20030923-C00052.png) | 1976-11-12 |
Family
ID=12589794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47040768A Expired JPS5141865B2 (US06623731-20030923-C00052.png) | 1972-04-22 | 1972-04-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5141865B2 (US06623731-20030923-C00052.png) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2801459A1 (de) * | 1977-01-18 | 1978-07-27 | Hitachi Ltd | Vorrichtung zum herstellen von waermeuebertragungsrohren |
| JPS53137855A (en) * | 1977-05-07 | 1978-12-01 | Mitsui Keikinzoku Kako | Production of hollw material having spiral convex rail |
| JPS5516762A (en) * | 1978-07-21 | 1980-02-05 | Mitsubishi Alum Co Ltd | Extrusion of material |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017131895A (ja) * | 2014-06-04 | 2017-08-03 | 眞 村田 | 管材製造装置、管材製造方法、および、管材 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3267712A (en) * | 1963-12-18 | 1966-08-23 | Purpose Extruded Aluminum Inc | Apparatus for forming spiraled extrusions |
-
1972
- 1972-04-22 JP JP47040768A patent/JPS5141865B2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3267712A (en) * | 1963-12-18 | 1966-08-23 | Purpose Extruded Aluminum Inc | Apparatus for forming spiraled extrusions |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2801459A1 (de) * | 1977-01-18 | 1978-07-27 | Hitachi Ltd | Vorrichtung zum herstellen von waermeuebertragungsrohren |
| DE2801459B2 (de) * | 1977-01-18 | 1981-09-24 | Hitachi, Ltd., Tokyo | Rohrstrangpresse zum Herstellen von Wärmetauscherrohren |
| DE2801459C3 (de) * | 1977-01-18 | 1982-04-29 | Hitachi, Ltd., Tokyo | Rohrstrangpresse zum Herstellen von Wärmetauscherrohren |
| JPS53137855A (en) * | 1977-05-07 | 1978-12-01 | Mitsui Keikinzoku Kako | Production of hollw material having spiral convex rail |
| JPS5516762A (en) * | 1978-07-21 | 1980-02-05 | Mitsubishi Alum Co Ltd | Extrusion of material |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5141865B2 (US06623731-20030923-C00052.png) | 1976-11-12 |
