JPS6247609B2 - - Google Patents
Info
- Publication number
- JPS6247609B2 JPS6247609B2 JP14405082A JP14405082A JPS6247609B2 JP S6247609 B2 JPS6247609 B2 JP S6247609B2 JP 14405082 A JP14405082 A JP 14405082A JP 14405082 A JP14405082 A JP 14405082A JP S6247609 B2 JPS6247609 B2 JP S6247609B2
- Authority
- JP
- Japan
- Prior art keywords
- circular tube
- groove
- spiral
- lower mold
- 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
Links
- 239000011295 pitch Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 230000010363 phase shift Effects 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 239000000758 substrate Substances 0.000 description 9
- 238000001514 detection method Methods 0.000 description 8
- 239000000945 filler Substances 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D17/00—Forming single grooves in sheet metal or tubular or hollow articles
- B21D17/02—Forming single grooves in sheet metal or tubular or hollow articles by pressing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14405082A JPS5935834A (ja) | 1982-08-20 | 1982-08-20 | 外面に螺旋溝を有する円管の製造方法及び製造装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14405082A JPS5935834A (ja) | 1982-08-20 | 1982-08-20 | 外面に螺旋溝を有する円管の製造方法及び製造装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5935834A JPS5935834A (ja) | 1984-02-27 |
| JPS6247609B2 true JPS6247609B2 (enExample) | 1987-10-08 |
Family
ID=15353149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14405082A Granted JPS5935834A (ja) | 1982-08-20 | 1982-08-20 | 外面に螺旋溝を有する円管の製造方法及び製造装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5935834A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6424937A (en) * | 1987-07-20 | 1989-01-26 | Chuo Jutaku Kk | Dew condensation preventive wall structure |
| JPH0236510U (enExample) * | 1988-09-02 | 1990-03-09 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0114345Y2 (enExample) * | 1984-11-05 | 1989-04-26 | ||
| JPS642731A (en) * | 1987-06-23 | 1989-01-06 | Kajima Corp | Production of sleeve for reinforcement joint |
| WO2005068101A1 (en) * | 2004-01-05 | 2005-07-28 | Cooper-Standard Automotive Inc. | Indented tube for a heat exchanger |
-
1982
- 1982-08-20 JP JP14405082A patent/JPS5935834A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6424937A (en) * | 1987-07-20 | 1989-01-26 | Chuo Jutaku Kk | Dew condensation preventive wall structure |
| JPH0236510U (enExample) * | 1988-09-02 | 1990-03-09 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5935834A (ja) | 1984-02-27 |
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