DE2950440C2 - Wendelrohr und Verfahren zu seiner Herstellung - Google Patents

Wendelrohr und Verfahren zu seiner Herstellung

Info

Publication number
DE2950440C2
DE2950440C2 DE19792950440 DE2950440A DE2950440C2 DE 2950440 C2 DE2950440 C2 DE 2950440C2 DE 19792950440 DE19792950440 DE 19792950440 DE 2950440 A DE2950440 A DE 2950440A DE 2950440 C2 DE2950440 C2 DE 2950440C2
Authority
DE
Germany
Prior art keywords
strip
fold
tape
spiral tube
edges
Prior art date
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.)
Expired
Application number
DE19792950440
Other languages
German (de)
English (en)
Other versions
DE2950440A1 (de
Inventor
Des Erfinders Auf Nennung Verzicht
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novelis Deutschland GmbH
Original Assignee
Alcan Ohler GmbH
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 Alcan Ohler GmbH filed Critical Alcan Ohler GmbH
Priority to DE19792950440 priority Critical patent/DE2950440C2/de
Priority to SE8008736A priority patent/SE451214B/sv
Publication of DE2950440A1 publication Critical patent/DE2950440A1/de
Application granted granted Critical
Publication of DE2950440C2 publication Critical patent/DE2950440C2/de
Expired legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
DE19792950440 1979-12-14 1979-12-14 Wendelrohr und Verfahren zu seiner Herstellung Expired DE2950440C2 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19792950440 DE2950440C2 (de) 1979-12-14 1979-12-14 Wendelrohr und Verfahren zu seiner Herstellung
SE8008736A SE451214B (sv) 1979-12-14 1980-12-12 Spiralformigt lindat ror

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792950440 DE2950440C2 (de) 1979-12-14 1979-12-14 Wendelrohr und Verfahren zu seiner Herstellung

Publications (2)

Publication Number Publication Date
DE2950440A1 DE2950440A1 (de) 1981-06-19
DE2950440C2 true DE2950440C2 (de) 1987-01-15

Family

ID=6088543

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792950440 Expired DE2950440C2 (de) 1979-12-14 1979-12-14 Wendelrohr und Verfahren zu seiner Herstellung

Country Status (2)

Country Link
DE (1) DE2950440C2 (US06623731-20030923-C00012.png)
SE (1) SE451214B (US06623731-20030923-C00012.png)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1650135A1 (de) * 1967-12-18 1970-08-06 Ohler Flexrohr Gmbh Wendelrohr aus wendelfoermig gewickeltem bandfoermigem Material
DE2020547A1 (de) * 1969-05-12 1970-11-26 Vulcan Australia Wendelrohr
DE2127750C3 (de) * 1971-06-04 1981-04-09 Westaflex-Werk L. u. F. Westerbarkey GmbH & Co, 4830 Gütersloh Doppelrohr
US3858421A (en) * 1972-06-06 1975-01-07 Cecil H Wood Helical ducting means and method for forming the same
DE7533150U (de) * 1975-10-18 1976-02-19 Siegwart, Emil, 6603 Sulzbach Aus einem metallband gewickeltes leitungsrohr
US4029129A (en) * 1976-03-26 1977-06-14 Laffie Harper Helical pipe lock seam

Also Published As

Publication number Publication date
DE2950440A1 (de) 1981-06-19
SE451214B (sv) 1987-09-14
SE8008736L (sv) 1981-06-15

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Legal Events

Date Code Title Description
8101 Request for examination as to novelty
8105 Search report available
8110 Request for examination paragraph 44
8127 New person/name/address of the applicant

Owner name: ALCAN OHLER GMBH, 5970 PLETTENBERG, DE

D2 Grant after examination
8363 Opposition against the patent
8327 Change in the person/name/address of the patent owner

Owner name: ALCAN DEUTSCHLAND GMBH, 3400 GOETTINGEN, DE

8331 Complete revocation