FR2228551B1 - - Google Patents
Info
- Publication number
- FR2228551B1 FR2228551B1 FR7316465A FR7316465A FR2228551B1 FR 2228551 B1 FR2228551 B1 FR 2228551B1 FR 7316465 A FR7316465 A FR 7316465A FR 7316465 A FR7316465 A FR 7316465A FR 2228551 B1 FR2228551 B1 FR 2228551B1
- 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
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
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- 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
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
- B21D26/049—Deforming bodies having a closed end
-
- 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
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/053—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure characterised by the material of the blanks
-
- 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
- B21D51/02—Making hollow objects characterised by the structure of the objects
- B21D51/08—Making hollow objects characterised by the structure of the objects ball-shaped objects
-
- 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
- B21D51/24—Making hollow objects characterised by the use of the objects high-pressure containers, e.g. boilers, bottles
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7316465A FR2228551A1 (en) | 1973-05-08 | 1973-05-08 | Method of forming hollow sheet metal sphere - metal cylinder deformed by internal water pressure within spherical mould |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7316465A FR2228551A1 (en) | 1973-05-08 | 1973-05-08 | Method of forming hollow sheet metal sphere - metal cylinder deformed by internal water pressure within spherical mould |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2228551A1 FR2228551A1 (en) | 1974-12-06 |
FR2228551B1 true FR2228551B1 (en) | 1975-12-26 |
Family
ID=9118947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7316465A Granted FR2228551A1 (en) | 1973-05-08 | 1973-05-08 | Method of forming hollow sheet metal sphere - metal cylinder deformed by internal water pressure within spherical mould |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2228551A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2789915B1 (en) * | 1999-02-23 | 2001-04-13 | Air Liquide | ENVELOPE FORMING METHOD, ENCLOSURE THUS OBTAINED, AND USE OF SUCH ENVELOPES |
DE10016025B4 (en) | 2000-03-31 | 2005-06-16 | Hde Solutions Gmbh | Process for producing hollow bodies |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3096576A (en) * | 1963-07-09 | parilla | ||
US2715377A (en) * | 1954-03-23 | 1955-08-16 | Jr Hartwell H Gary | Method of forming heads for boilers, pressure vessels, tanks, and the like |
FR1187964A (en) * | 1956-11-14 | 1959-09-17 | Thompson J Wolverhampton Ltd | Improvements to a method and device for forming a dome-shaped part from sheet metal |
US3688535A (en) * | 1968-06-07 | 1972-09-05 | Continental Can Co | Apparatus for electrohydraulic pressure arc control |
-
1973
- 1973-05-08 FR FR7316465A patent/FR2228551A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2228551A1 (en) | 1974-12-06 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |