JPH035882B2 - - Google Patents
Info
- Publication number
- JPH035882B2 JPH035882B2 JP56185106A JP18510681A JPH035882B2 JP H035882 B2 JPH035882 B2 JP H035882B2 JP 56185106 A JP56185106 A JP 56185106A JP 18510681 A JP18510681 A JP 18510681A JP H035882 B2 JPH035882 B2 JP H035882B2
- Authority
- JP
- Japan
- Prior art keywords
- tube
- grooved
- rolls
- plug
- grooves
- 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 - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes or tubes with decorated walls
- B21C37/207—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes or tubes with decorated walls with helical guides
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Extraction Processes (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18510681A JPS5886923A (ja) | 1981-11-18 | 1981-11-18 | 内面溝付き管の連続的製造法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18510681A JPS5886923A (ja) | 1981-11-18 | 1981-11-18 | 内面溝付き管の連続的製造法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5886923A JPS5886923A (ja) | 1983-05-24 |
JPH035882B2 true JPH035882B2 (en]) | 1991-01-28 |
Family
ID=16164956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18510681A Granted JPS5886923A (ja) | 1981-11-18 | 1981-11-18 | 内面溝付き管の連続的製造法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5886923A (en]) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4995252A (en) * | 1989-03-06 | 1991-02-26 | Carrier Corporation | Method and apparatus for internally enhancing heat exchanger tubing |
DE3916225A1 (de) * | 1989-05-18 | 1990-11-22 | Italcoil S P A | Verfahren und vorrichtung zur herstellung genuteter rohre fuer waermeaustauscher |
JPH04124923U (ja) * | 1991-04-23 | 1992-11-13 | 株式会社タナカヤ | ボトルホルダー |
JP2741299B2 (ja) * | 1992-02-24 | 1998-04-15 | 株式会社フジユニバンス | 車両用連結ロッドの成形方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5912365B2 (ja) * | 1979-02-01 | 1984-03-22 | 日立電線株式会社 | 内面溝付金属管加工方法 |
-
1981
- 1981-11-18 JP JP18510681A patent/JPS5886923A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5886923A (ja) | 1983-05-24 |
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