DK112911B - Ventilation pipeline comprising two coaxial tin pipes. - Google Patents

Ventilation pipeline comprising two coaxial tin pipes.

Info

Publication number
DK112911B
DK112911B DK421962A DK421962A DK112911B DK 112911 B DK112911 B DK 112911B DK 421962 A DK421962 A DK 421962A DK 421962 A DK421962 A DK 421962A DK 112911 B DK112911 B DK 112911B
Authority
DK
Denmark
Prior art keywords
coaxial
ventilation pipeline
tin
pipes
tin pipes
Prior art date
Application number
DK421962A
Other languages
Danish (da)
Inventor
Frumerie N De
G Malmborg
Original Assignee
Svenska Flaektfabriken Ab
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 Svenska Flaektfabriken Ab filed Critical Svenska Flaektfabriken Ab
Publication of DK112911B publication Critical patent/DK112911B/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
    • F16L9/00—Rigid pipes
    • F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies
    • 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
    • F16L59/00—Thermal insulation in general
    • F16L59/06—Arrangements using an air layer or vacuum
    • F16L59/07—Arrangements using an air layer or vacuum the air layer being enclosed by one or more layers of insulation

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Duct Arrangements (AREA)
  • Ventilation (AREA)
DK421962A 1961-10-13 1962-09-28 Ventilation pipeline comprising two coaxial tin pipes. DK112911B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1018761 1961-10-13

Publications (1)

Publication Number Publication Date
DK112911B true DK112911B (en) 1969-01-27

Family

ID=20291858

Family Applications (1)

Application Number Title Priority Date Filing Date
DK421962A DK112911B (en) 1961-10-13 1962-09-28 Ventilation pipeline comprising two coaxial tin pipes.

Country Status (4)

Country Link
DK (1) DK112911B (en)
ES (1) ES281279A1 (en)
FI (1) FI40760B (en)
GB (1) GB962420A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI108316B (en) * 2000-04-12 2001-12-31 Flaekt Oy Air-conditioning ductwork

Also Published As

Publication number Publication date
ES281279A1 (en) 1963-03-01
FI40760B (en) 1969-01-31
GB962420A (en) 1964-07-01

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