FR2018689A1 - - Google Patents
Info
- Publication number
- FR2018689A1 FR2018689A1 FR6932397A FR6932397A FR2018689A1 FR 2018689 A1 FR2018689 A1 FR 2018689A1 FR 6932397 A FR6932397 A FR 6932397A FR 6932397 A FR6932397 A FR 6932397A FR 2018689 A1 FR2018689 A1 FR 2018689A1
- Authority
- FR
- France
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K13/00—Welding by high-frequency current heating
- B23K13/01—Welding by high-frequency current heating by induction heating
- B23K13/02—Seam welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/08—Seam welding not restricted to one of the preceding subgroups
- B23K11/082—Seam welding not restricted to one of the preceding subgroups of three-dimensional seams
- B23K11/084—Seam welding not restricted to one of the preceding subgroups of three-dimensional seams of helicoïdal seams
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US76167368A | 1968-09-23 | 1968-09-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2018689A1 true FR2018689A1 (fr) | 1970-06-26 |
Family
ID=25062928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6932397A Withdrawn FR2018689A1 (fr) | 1968-09-23 | 1969-09-23 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3548141A (fr) |
JP (1) | JPS507025B1 (fr) |
DE (1) | DE1946852A1 (fr) |
FR (1) | FR2018689A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2046284C2 (de) * | 1970-09-19 | 1975-12-04 | Hoesch Maschinenfabrik Deutschland Ag, 4600 Dortmund | Rohrauslauf an einem Schraubennahtrohrwerk |
US3899651A (en) * | 1973-10-11 | 1975-08-12 | United States Steel Corp | Method and apparatus for control of weld temperature in a high frequency electric resistance welded pipe mill |
-
1968
- 1968-09-23 US US761673A patent/US3548141A/en not_active Expired - Lifetime
-
1969
- 1969-09-16 DE DE19691946852 patent/DE1946852A1/de active Pending
- 1969-09-23 FR FR6932397A patent/FR2018689A1/fr not_active Withdrawn
- 1969-09-24 JP JP44076181A patent/JPS507025B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS507025B1 (fr) | 1975-03-20 |
DE1946852A1 (de) | 1970-04-23 |
US3548141A (en) | 1970-12-15 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |