FR842982A - Improvements to a method and apparatus for the manufacture of metal tubes and other tubular articles - Google Patents
Improvements to a method and apparatus for the manufacture of metal tubes and other tubular articlesInfo
- Publication number
- FR842982A FR842982A FR842982DA FR842982A FR 842982 A FR842982 A FR 842982A FR 842982D A FR842982D A FR 842982DA FR 842982 A FR842982 A FR 842982A
- Authority
- FR
- France
- Prior art keywords
- manufacture
- metal tubes
- tubular articles
- articles
- tubular
- 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
- 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
- B21C45/00—Separating mandrels from work or vice versa
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB842982X | 1938-04-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR842982A true FR842982A (en) | 1939-06-22 |
Family
ID=10570275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR842982D Expired FR842982A (en) | 1938-04-20 | 1938-09-05 | Improvements to a method and apparatus for the manufacture of metal tubes and other tubular articles |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR842982A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE938785C (en) * | 1952-01-10 | 1956-02-09 | Albert Calmes | A pulling or pushing bench for pipes directly in front of it, the pull-in device, which is open on both sides and which is to be extended, with the pushing mandrel in a non-positive manner |
DE1045342B (en) * | 1957-06-05 | 1958-12-04 | Demag Ag | Method and device for the production of extremely heavy, for example for pushing thick-walled tubes, certain hollow parts as well as hollow parts produced by this method |
-
1938
- 1938-09-05 FR FR842982D patent/FR842982A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE938785C (en) * | 1952-01-10 | 1956-02-09 | Albert Calmes | A pulling or pushing bench for pipes directly in front of it, the pull-in device, which is open on both sides and which is to be extended, with the pushing mandrel in a non-positive manner |
DE1045342B (en) * | 1957-06-05 | 1958-12-04 | Demag Ag | Method and device for the production of extremely heavy, for example for pushing thick-walled tubes, certain hollow parts as well as hollow parts produced by this method |
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