NL7202480A - - Google Patents
Info
- Publication number
- NL7202480A NL7202480A NL7202480A NL7202480A NL7202480A NL 7202480 A NL7202480 A NL 7202480A NL 7202480 A NL7202480 A NL 7202480A NL 7202480 A NL7202480 A NL 7202480A NL 7202480 A NL7202480 A NL 7202480A
- Authority
- NL
- Netherlands
Links
Classifications
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- 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
- B21C37/12—Making tubes or metal hoses with helically arranged seams
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- 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
- B21C37/16—Making tubes with varying diameter in longitudinal direction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7202480A NL7202480A (https=) | 1972-02-25 | 1972-02-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7202480A NL7202480A (https=) | 1972-02-25 | 1972-02-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7202480A true NL7202480A (https=) | 1973-08-28 |
Family
ID=19815460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7202480A NL7202480A (https=) | 1972-02-25 | 1972-02-25 |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL7202480A (https=) |
-
1972
- 1972-02-25 NL NL7202480A patent/NL7202480A/xx not_active Application Discontinuation
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |