BE453772A - - Google Patents
Info
- Publication number
- BE453772A BE453772A BE453772DA BE453772A BE 453772 A BE453772 A BE 453772A BE 453772D A BE453772D A BE 453772DA BE 453772 A BE453772 A BE 453772A
- Authority
- BE
- Belgium
- Prior art keywords
- mandrel
- pleating
- bands
- net
- serpentine
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles 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
- B21C37/08—Making tubes with welded or soldered seams
- B21C37/09—Making tubes with welded or soldered seams of coated strip material ; Making multi-wall tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE453772A true BE453772A (https=) |
Family
ID=108058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE453772D BE453772A (https=) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE453772A (https=) |
-
0
- BE BE453772D patent/BE453772A/fr unknown
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