BE335258A - - Google Patents
Info
- Publication number
- BE335258A BE335258A BE335258DA BE335258A BE 335258 A BE335258 A BE 335258A BE 335258D A BE335258D A BE 335258DA BE 335258 A BE335258 A BE 335258A
- Authority
- BE
- Belgium
- Prior art keywords
- fins
- tube
- ball
- frame supporting
- frame
- Prior art date
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
- B21C37/22—Making finned or ribbed tubes by fixing strip or like material to tubes
- B21C37/24—Making finned or ribbed tubes by fixing strip or like material to tubes annularly-ribbed tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE335258A true BE335258A (enExample) |
Family
ID=13735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE335258D BE335258A (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE335258A (enExample) |
-
0
- BE BE335258D patent/BE335258A/fr unknown
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