GB962420A - Ventilating ducts - Google Patents

Ventilating ducts

Info

Publication number
GB962420A
GB962420A GB3696762A GB3696762A GB962420A GB 962420 A GB962420 A GB 962420A GB 3696762 A GB3696762 A GB 3696762A GB 3696762 A GB3696762 A GB 3696762A GB 962420 A GB962420 A GB 962420A
Authority
GB
United Kingdom
Prior art keywords
ducts
ventilating
fittings
secured
insulation
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
GB3696762A
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.)
Svenska Flaktfabriken AB
Original Assignee
Svenska Flaktfabriken 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 Flaktfabriken AB filed Critical Svenska Flaktfabriken AB
Publication of GB962420A publication Critical patent/GB962420A/en
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
    • 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)

Abstract

962,420. Ventilating. SVENSKA FLAKTFABRIKEN. Sept. 28, 1962 [Oct. 13, 1961], No. 36967/62. Heading F4V. [Also in Division F2] Ventilating ducts comprise concentrically mounted thinwalled sheet metal ducts 1, 2 with an insulating air space 4 therebetween, the ducts being secured relatively to one another by means only of external insulation 8 mounted on pipe bends 5, T-fittings 6 or other connecting and branching members in such a manner that the ducts are assembled respectively by being pressed into and on to the insulation. The ends of the ducts may be coated internally with a sealing agent, and the duct 2 may be secured to the fittings by rivets.
GB3696762A 1961-10-13 1962-09-28 Ventilating ducts Expired GB962420A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB962420A true GB962420A (en) 1964-07-01

Family

ID=20291858

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3696762A Expired GB962420A (en) 1961-10-13 1962-09-28 Ventilating ducts

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1274956B1 (en) * 2000-04-12 2005-06-22 Fläkt Woods AB Air-conditioning duct system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1274956B1 (en) * 2000-04-12 2005-06-22 Fläkt Woods AB Air-conditioning duct system

Also Published As

Publication number Publication date
FI40760B (en) 1969-01-31
DK112911B (en) 1969-01-27
ES281279A1 (en) 1963-03-01

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