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 process

Info

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
Application number
CH8147959A
Other languages
German (de)
Inventor
Marco Dipl Ing Dreyer
Original Assignee
Metallschlauchfabrik Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Metallschlauchfabrik Ag filed Critical Metallschlauchfabrik Ag
Priority to CH8147959A priority Critical patent/CH376457A/en
Priority to GB40814/60A priority patent/GB907095A/en
Publication of CH376457A publication Critical patent/CH376457A/en

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
CH8147959A 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 CH376457A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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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