FR2171973A1 - - Google Patents
Info
- Publication number
- FR2171973A1 FR2171973A1 FR7205396A FR7205396A FR2171973A1 FR 2171973 A1 FR2171973 A1 FR 2171973A1 FR 7205396 A FR7205396 A FR 7205396A FR 7205396 A FR7205396 A FR 7205396A FR 2171973 A1 FR2171973 A1 FR 2171973A1
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
- B21D51/30—Folding the circumferential seam
- B21D51/34—Folding the circumferential seam by pressing
-
- 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
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7205396A FR2171973A1 (zh) | 1972-02-17 | 1972-02-17 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7205396A FR2171973A1 (zh) | 1972-02-17 | 1972-02-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2171973A1 true FR2171973A1 (zh) | 1973-09-28 |
Family
ID=9093670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7205396A Withdrawn FR2171973A1 (zh) | 1972-02-17 | 1972-02-17 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2171973A1 (zh) |
-
1972
- 1972-02-17 FR FR7205396A patent/FR2171973A1/fr not_active Withdrawn
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |