CH376457A - Process for the production of a double-walled or multi-walled folded tube and folded tube produced by the process - Google Patents
Process for the production of a double-walled or multi-walled folded tube and folded tube produced by the processInfo
- Publication number
- CH376457A CH376457A CH8147959A CH8147959A CH376457A CH 376457 A CH376457 A CH 376457A CH 8147959 A CH8147959 A CH 8147959A CH 8147959 A CH8147959 A CH 8147959A CH 376457 A CH376457 A CH 376457A
- Authority
- CH
- Switzerland
- Prior art keywords
- walled
- folded tube
- double
- production
- produced
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/14—Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics
- F16L11/16—Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics wound from profiled strips or bands
-
- 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
- B21C37/123—Making tubes or metal hoses with helically arranged seams of coated strip material; Making multi-wall tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- General Induction Heating (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH8147959A CH376457A (en) | 1959-12-04 | 1959-12-04 | Process for the production of a double-walled or multi-walled folded tube and folded tube produced by the process |
GB40814/60A GB907095A (en) | 1959-12-04 | 1960-11-28 | Improvements in or relating to multiple walled corrugated pipes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH8147959A CH376457A (en) | 1959-12-04 | 1959-12-04 | Process for the production of a double-walled or multi-walled folded tube and folded tube produced by the process |
Publications (1)
Publication Number | Publication Date |
---|---|
CH376457A true CH376457A (en) | 1964-04-15 |
Family
ID=4538852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH8147959A CH376457A (en) | 1959-12-04 | 1959-12-04 | Process for the production of a double-walled or multi-walled folded tube and folded tube produced by the process |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH376457A (en) |
GB (1) | GB907095A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2540273A1 (en) * | 1975-09-10 | 1977-03-31 | Pforzheim Metallschlauch | Reinforced corrugated tubing - with inner tube spirally wound with tape which is pre-corrugated parallel to tube corrugations |
FR2844022A1 (en) * | 2002-08-28 | 2004-03-05 | Inst Francais Du Petrole | Flexible pipe e.g. for undersea oil flow line has two corrugated metal layers made from spiral-wound strip with crests and troughs |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4793384A (en) * | 1986-02-11 | 1988-12-27 | Titeflex Corporation | Self-damping convoluted conduit |
US4867269A (en) * | 1987-06-30 | 1989-09-19 | Titeflex Corporation | Tuned self-damping convoluted conduit |
US5284185A (en) * | 1988-12-27 | 1994-02-08 | Shiro Kanao | Pressure-resistant helical corrugated pipe and method of producing same |
JPH0658158B2 (en) * | 1988-12-27 | 1994-08-03 | 史朗 金尾 | Pressure resistant spiral corrugated tube |
DE4010178C1 (en) * | 1990-03-30 | 1991-06-13 | Bundy Gmbh, 6900 Heidelberg, De | |
DE102008001297B4 (en) | 2007-04-27 | 2014-10-30 | Westfalia Metallschlauchtechnik Gmbh & Co. Kg | Spiral-corrugated membrane bellows and method for its production |
WO2012038547A1 (en) * | 2010-09-24 | 2012-03-29 | Westfalia Metallschlauchtechnik Gmbh & Co. Kg | Fixed, preferably gastight coiled hose |
-
1959
- 1959-12-04 CH CH8147959A patent/CH376457A/en unknown
-
1960
- 1960-11-28 GB GB40814/60A patent/GB907095A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2540273A1 (en) * | 1975-09-10 | 1977-03-31 | Pforzheim Metallschlauch | Reinforced corrugated tubing - with inner tube spirally wound with tape which is pre-corrugated parallel to tube corrugations |
DE2540273C2 (en) * | 1975-09-10 | 1983-11-24 | Witzenmann GmbH, Metallschlauch-Fabrik Pforzheim, 7530 Pforzheim | Multi-layer corrugated hose and device for its manufacture |
FR2844022A1 (en) * | 2002-08-28 | 2004-03-05 | Inst Francais Du Petrole | Flexible pipe e.g. for undersea oil flow line has two corrugated metal layers made from spiral-wound strip with crests and troughs |
Also Published As
Publication number | Publication date |
---|---|
GB907095A (en) | 1962-10-03 |
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