FR491430A - Procédé pour la fabrication de corps creux - Google Patents
Procédé pour la fabrication de corps creuxInfo
- Publication number
- FR491430A FR491430A FR491430DA FR491430A FR 491430 A FR491430 A FR 491430A FR 491430D A FR491430D A FR 491430DA FR 491430 A FR491430 A FR 491430A
- Authority
- FR
- France
- Prior art keywords
- manufacture
- hollow bodies
- bodies
- hollow
- Prior art date
- 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
- B21D51/00—Making hollow 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
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
- H01R33/02—Single-pole devices, e.g. holder for supporting one end of a tubular incandescent or neon lamp
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connecting Device With Holders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US491430XA | 1917-07-23 | 1917-07-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR491430A true FR491430A (fr) | 1919-06-03 |
Family
ID=21958260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR491430D Expired FR491430A (fr) | 1917-07-23 | 1918-08-23 | Procédé pour la fabrication de corps creux |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR491430A (fr) |
GB (1) | GB491430A (fr) |
-
1918
- 1918-08-23 FR FR491430D patent/FR491430A/fr not_active Expired
-
1938
- 1938-02-24 GB GB5889/38A patent/GB491430A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB491430A (en) | 1938-09-01 |
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