FR977959A - - Google Patents
Info
- Publication number
- FR977959A FR977959A FR977959DA FR977959A FR 977959 A FR977959 A FR 977959A FR 977959D A FR977959D A FR 977959DA FR 977959 A FR977959 A FR 977959A
- 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
- B21C5/00—Pointing; Push-pointing
-
- 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
- B21C5/00—Pointing; Push-pointing
- B21C5/003—Pointing; Push-pointing of hollow material, e.g. tube
-
- 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
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR977959A true FR977959A (it) | 1951-04-09 |
Family
ID=1566865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR977959D Expired FR977959A (it) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR977959A (it) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4082120A (en) * | 1968-03-22 | 1978-04-04 | Trefilunion | Method of producing tubular lattice reinforcement for reinforced concrete tubular pipe having a socket at one end thereof |
| US4620572A (en) * | 1985-06-14 | 1986-11-04 | International Business Machines Corporation | Radial reform head |
-
0
- FR FR977959D patent/FR977959A/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4082120A (en) * | 1968-03-22 | 1978-04-04 | Trefilunion | Method of producing tubular lattice reinforcement for reinforced concrete tubular pipe having a socket at one end thereof |
| US4620572A (en) * | 1985-06-14 | 1986-11-04 | International Business Machines Corporation | Radial reform head |