NL6412978A - - Google Patents
Info
- Publication number
- NL6412978A NL6412978A NL6412978A NL6412978A NL6412978A NL 6412978 A NL6412978 A NL 6412978A NL 6412978 A NL6412978 A NL 6412978A NL 6412978 A NL6412978 A NL 6412978A NL 6412978 A NL6412978 A NL 6412978A
- Authority
- NL
- Netherlands
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
- B21C37/12—Making tubes or metal hoses with helically arranged seams
-
- 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
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/16—Making tubes with varying diameter in longitudinal direction
- B21C37/18—Making tubes with varying diameter in longitudinal direction conical tubes
- B21C37/185—Making tubes with varying diameter in longitudinal direction conical tubes starting from sheet material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials For Medical Uses (AREA)
- Moulding By Coating Moulds (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Treatment Of Fiber Materials (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR953120A FR1382331A (fr) | 1963-11-08 | 1963-11-08 | Procédé pour la fabrication des tubes coniques et tubes fabriqués par ce procédé |
| FR970082A FR85959E (fr) | 1964-04-08 | 1964-04-08 | Procédé pour la fabrication des tubes coniques et tubes fabriqués par ce procédé |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6412978A true NL6412978A (enExample) | 1965-05-10 |
Family
ID=26204239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6412978A NL6412978A (enExample) | 1963-11-08 | 1964-11-06 |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE655373A (enExample) |
| CH (1) | CH447991A (enExample) |
| DE (2) | DE1777330B1 (enExample) |
| ES (1) | ES305719A1 (enExample) |
| GB (1) | GB1075548A (enExample) |
| LU (1) | LU47290A1 (enExample) |
| NL (1) | NL6412978A (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2815477A1 (de) * | 1978-04-10 | 1979-10-18 | Vulkan Werk Gmbh | Rohr aus schraubenfoermig gewickeltem bandmaterial |
| EP0201729A3 (de) * | 1985-04-12 | 1987-04-29 | Horst Hano | Vorrichtung zur Herstellung von Wickelrohr sowie Wickelrohr |
| US8720153B2 (en) | 2010-01-25 | 2014-05-13 | Keystone Tower Systems, Inc. | Tapered spiral welded structure |
| US10189064B2 (en) | 2010-01-25 | 2019-01-29 | Keystone Tower Systems, Inc. | Control system and method for tapered structure construction |
| EP3581326B1 (en) | 2011-09-20 | 2021-11-03 | Keystone Tower Systems, Inc. | Tapered structure construction |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH396A (de) * | 1889-01-30 | 1889-09-11 | Wilhelm Lorenz | Werkzeugscheibe mit zentralem Hohlraum und mit im Kreise angeordneten, nach dem Hohlraum hin gerichteten vor- und zurückbewegbaren Werkzeugen |
| FR1294632A (fr) * | 1961-07-11 | 1962-05-26 | Machine pour la fabrication de tubes de différents diamètres à partir d'une bande enroulée en hélice |
-
1964
- 1964-11-05 LU LU47290D patent/LU47290A1/xx unknown
- 1964-11-06 NL NL6412978A patent/NL6412978A/xx unknown
- 1964-11-06 CH CH1437964A patent/CH447991A/fr unknown
- 1964-11-06 ES ES0305719A patent/ES305719A1/es not_active Expired
- 1964-11-06 BE BE655373A patent/BE655373A/xx unknown
- 1964-11-07 DE DE19641777330D patent/DE1777330B1/de active Pending
- 1964-11-07 DE DE19641452196 patent/DE1452196A1/de active Pending
- 1964-11-09 GB GB45530/64A patent/GB1075548A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| LU47290A1 (enExample) | 1965-05-05 |
| ES305719A1 (es) | 1965-05-01 |
| GB1075548A (en) | 1967-07-12 |
| BE655373A (enExample) | 1965-05-06 |
| DE1777330B1 (de) | 1972-03-16 |
| DE1452196A1 (de) | 1969-03-27 |
| CH447991A (fr) | 1967-12-15 |