FR2268216B3 - - Google Patents

Info

Publication number
FR2268216B3
FR2268216B3 FR7504522A FR7504522A FR2268216B3 FR 2268216 B3 FR2268216 B3 FR 2268216B3 FR 7504522 A FR7504522 A FR 7504522A FR 7504522 A FR7504522 A FR 7504522A FR 2268216 B3 FR2268216 B3 FR 2268216B3
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.)
Expired
Application number
FR7504522A
Other languages
French (fr)
Other versions
FR2268216A1 (en
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.)
OSAKA RASENKAN KOGYO Co Ltd
Original Assignee
OSAKA RASENKAN KOGYO Co Ltd
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 OSAKA RASENKAN KOGYO Co Ltd filed Critical OSAKA RASENKAN KOGYO Co Ltd
Publication of FR2268216A1 publication Critical patent/FR2268216A1/fr
Application granted granted Critical
Publication of FR2268216B3 publication Critical patent/FR2268216B3/fr
Granted 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
    • F16L9/00—Rigid pipes
    • F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
    • F16L9/165—Rigid pipes wound from sheets or strips, with or without reinforcement of metal

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints That Cut Off Fluids, And Hose Joints (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Duct Arrangements (AREA)
FR7504522A 1974-04-16 1975-02-13 Connection of spirally corrugated air ducts - has ends of tubes doubly interlocked to give airtight joint Granted FR2268216A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4326174U JPS50132714U (da) 1974-04-16 1974-04-16

Publications (2)

Publication Number Publication Date
FR2268216A1 FR2268216A1 (en) 1975-11-14
FR2268216B3 true FR2268216B3 (da) 1977-10-28

Family

ID=12658896

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7504522A Granted FR2268216A1 (en) 1974-04-16 1975-02-13 Connection of spirally corrugated air ducts - has ends of tubes doubly interlocked to give airtight joint

Country Status (2)

Country Link
JP (1) JPS50132714U (da)
FR (1) FR2268216A1 (da)

Also Published As

Publication number Publication date
FR2268216A1 (en) 1975-11-14
JPS50132714U (da) 1975-10-31

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