FR861621A - Method and apparatus for the manufacture of pleated pipes - Google Patents
Method and apparatus for the manufacture of pleated pipesInfo
- Publication number
- FR861621A FR861621A FR861621DA FR861621A FR 861621 A FR861621 A FR 861621A FR 861621D A FR861621D A FR 861621DA FR 861621 A FR861621 A FR 861621A
- Authority
- FR
- France
- Prior art keywords
- manufacture
- pleated
- pipes
- pleated pipes
- 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
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/12—Making tubes or metal hoses with helically arranged seams
- B21C37/124—Making tubes or metal hoses with helically arranged seams the tubes having a special shape, e.g. with corrugated wall, flexible tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR861621T | 1939-08-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR861621A true FR861621A (en) | 1941-02-13 |
Family
ID=9341054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR861621D Expired FR861621A (en) | 1939-08-01 | 1939-08-01 | Method and apparatus for the manufacture of pleated pipes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR861621A (en) |
-
1939
- 1939-08-01 FR FR861621D patent/FR861621A/en not_active Expired
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