CH561089A5 - - Google Patents
Info
- Publication number
- CH561089A5 CH561089A5 CH219973A CH219973A CH561089A5 CH 561089 A5 CH561089 A5 CH 561089A5 CH 219973 A CH219973 A CH 219973A CH 219973 A CH219973 A CH 219973A CH 561089 A5 CH561089 A5 CH 561089A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes 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
- B21C37/121—Making tubes or metal hoses with helically arranged seams with non-welded and non-soldered seams
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT136872A AT316283B (de) | 1972-02-21 | 1972-02-21 | Verfahren und Vorrichtung zum Herstellen von Rohren |
| AT110373A AT325391B (de) | 1973-02-07 | 1973-02-07 | Verfahren zum herstellen von rohren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH561089A5 true CH561089A5 (es) | 1975-04-30 |
Family
ID=25594909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH219973A CH561089A5 (es) | 1972-02-21 | 1973-02-15 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH561089A5 (es) |
| DE (1) | DE2307228C3 (es) |
| SE (1) | SE403977B (es) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2077486A1 (es) * | 1991-07-19 | 1995-11-16 | Garcia Cesareo Rivas | Maquina conformadora de tubos de chapa. |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4858517A (en) * | 1988-06-08 | 1989-08-22 | Rick Coker | Fire damper kit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1964591C3 (de) * | 1969-12-23 | 1973-09-20 | Emil 6603 Sulzbach Siegwart | Falzrollen einer Vorrichtung zur Hmrstellung von Wendelfalzrohren |
-
1973
- 1973-02-14 DE DE19732307228 patent/DE2307228C3/de not_active Expired
- 1973-02-15 CH CH219973A patent/CH561089A5/xx not_active IP Right Cessation
- 1973-02-20 SE SE7302376A patent/SE403977B/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2077486A1 (es) * | 1991-07-19 | 1995-11-16 | Garcia Cesareo Rivas | Maquina conformadora de tubos de chapa. |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2307228A1 (de) | 1973-08-30 |
| DE2307228B2 (de) | 1980-09-25 |
| SE403977B (sv) | 1978-09-18 |
| DE2307228C3 (de) | 1981-05-14 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |