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
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)
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) |
-
1974
- 1974-04-16 JP JP4326174U patent/JPS50132714U/ja active Pending
-
1975
- 1975-02-13 FR FR7504522A patent/FR2268216A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2268216A1 (en) | 1975-11-14 |
JPS50132714U (da) | 1975-10-31 |