ZA712838B - Method for forming corners of omegatype expansion joints - Google Patents
Method for forming corners of omegatype expansion jointsInfo
- Publication number
- ZA712838B ZA712838B ZA712838A ZA712838A ZA712838B ZA 712838 B ZA712838 B ZA 712838B ZA 712838 A ZA712838 A ZA 712838A ZA 712838 A ZA712838 A ZA 712838A ZA 712838 B ZA712838 B ZA 712838B
- Authority
- ZA
- South Africa
- Prior art keywords
- omegatype
- expansion joints
- forming corners
- corners
- forming
- Prior art date
Links
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
- B21D53/00—Making other particular articles
- B21D53/16—Making other particular articles rings, e.g. barrel hoops
- B21D53/18—Making other particular articles rings, e.g. barrel hoops of hollow or C-shaped cross-section, e.g. for curtains, for eyelets
-
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
- B21D22/16—Spinning over shaping mandrels or formers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3409070A | 1970-05-04 | 1970-05-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA712838B true ZA712838B (en) | 1972-01-26 |
Family
ID=21874239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA712838A ZA712838B (en) | 1970-05-04 | 1971-05-03 | Method for forming corners of omegatype expansion joints |
Country Status (8)
Country | Link |
---|---|
US (1) | US3631587A (en) |
JP (1) | JPS4946709B1 (en) |
BE (1) | BE766635A (en) |
CA (1) | CA938779A (en) |
CH (1) | CH536148A (en) |
DE (1) | DE2116967A1 (en) |
GB (1) | GB1326505A (en) |
ZA (1) | ZA712838B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITPN20100062A1 (en) * | 2010-10-20 | 2012-04-21 | Free Spirits S R L | PROCEDURE FOR THE MANUFACTURE OF METALLIC TUBULAR CURVES AND TUBULAR CURVES OBTAINED WITH THIS PROCEDURE |
CN102967069B (en) * | 2012-12-19 | 2014-06-18 | 徐阳 | Solar heat collection straight-through vacuum tube, and getter ring and manufacturing method thereof |
JP6071833B2 (en) * | 2013-02-18 | 2017-02-01 | 三菱日立パワーシステムズ株式会社 | Exhaust gas catalytic equipment |
CN106140979A (en) * | 2016-08-19 | 2016-11-23 | 江阴市福瑞得铜业有限公司 | A kind of single thimble mould for processing copper pipe |
CN110918750B (en) * | 2019-12-02 | 2021-05-04 | 西安航天动力研究所 | Thin-wall metal omega-section sealing ring spinning forming device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2368403A (en) * | 1941-10-21 | 1945-01-30 | United Aircraft Corp | Method of manufacturing heat radiators |
CH470622A (en) * | 1967-01-23 | 1969-03-31 | Sulzer Ag | Process for the production of pipe elbows from cast metallic material |
US3488766A (en) * | 1967-02-15 | 1970-01-06 | Wisconsin Centrifugal Foundry | Method of casting elbows |
-
1970
- 1970-05-04 US US34090A patent/US3631587A/en not_active Expired - Lifetime
- 1970-12-10 CA CA100316A patent/CA938779A/en not_active Expired
- 1970-12-30 JP JP45123202A patent/JPS4946709B1/ja active Pending
-
1971
- 1971-04-07 DE DE19712116967 patent/DE2116967A1/en active Pending
- 1971-05-03 ZA ZA712838A patent/ZA712838B/en unknown
- 1971-05-03 CH CH652571A patent/CH536148A/en not_active IP Right Cessation
- 1971-05-03 BE BE766635A patent/BE766635A/en unknown
- 1971-05-03 GB GB1270371*[A patent/GB1326505A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE766635A (en) | 1971-10-01 |
JPS4946709B1 (en) | 1974-12-11 |
US3631587A (en) | 1972-01-04 |
DE2116967A1 (en) | 1971-11-25 |
CH536148A (en) | 1973-04-30 |
GB1326505A (en) | 1973-08-15 |
CA938779A (en) | 1973-12-25 |
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