FR2146134B1 - - Google Patents
Info
- Publication number
- FR2146134B1 FR2146134B1 FR7126528A FR7126528A FR2146134B1 FR 2146134 B1 FR2146134 B1 FR 2146134B1 FR 7126528 A FR7126528 A FR 7126528A FR 7126528 A FR7126528 A FR 7126528A FR 2146134 B1 FR2146134 B1 FR 2146134B1
- Authority
- FR
- France
- 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
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
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/22—Making finned or ribbed tubes by fixing strip or like material to tubes
- B21C37/26—Making finned or ribbed tubes by fixing strip or like material to tubes helically-ribbed tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7126528A FR2146134B1 (en) | 1971-07-20 | 1971-07-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7126528A FR2146134B1 (en) | 1971-07-20 | 1971-07-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2146134A1 FR2146134A1 (en) | 1973-03-02 |
FR2146134B1 true FR2146134B1 (en) | 1974-04-26 |
Family
ID=9080620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7126528A Expired FR2146134B1 (en) | 1971-07-20 | 1971-07-20 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2146134B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1310206B1 (en) * | 1999-04-06 | 2002-02-11 | Wam Spa | METHOD AND MACHINE FOR THE CONTINUOUS FORMATION OF TRANSPORT PROPELLERS FOR AUGER CONVEYOR. |
-
1971
- 1971-07-20 FR FR7126528A patent/FR2146134B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2146134A1 (en) | 1973-03-02 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |