FR910919A - Method of construction of soundproofing channels - Google Patents

Method of construction of soundproofing channels

Info

Publication number
FR910919A
FR910919A FR910919DA FR910919A FR 910919 A FR910919 A FR 910919A FR 910919D A FR910919D A FR 910919DA FR 910919 A FR910919 A FR 910919A
Authority
FR
France
Prior art keywords
soundproofing
channels
construction
soundproofing channels
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
Other languages
French (fr)
Inventor
De Rosen
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.)
LES TRAVAUX SOUTERRAINS
Original Assignee
LES TRAVAUX SOUTERRAINS
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 LES TRAVAUX SOUTERRAINS filed Critical LES TRAVAUX SOUTERRAINS
Application granted granted Critical
Publication of FR910919A publication Critical patent/FR910919A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02Energy absorbers; Noise absorbers
    • F16L55/027Throttle passages

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR910919D 1944-12-23 1944-12-23 Method of construction of soundproofing channels Expired FR910919A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR910919T 1944-12-23

Publications (1)

Publication Number Publication Date
FR910919A true FR910919A (en) 1946-06-24

Family

ID=9415346

Family Applications (1)

Application Number Title Priority Date Filing Date
FR910919D Expired FR910919A (en) 1944-12-23 1944-12-23 Method of construction of soundproofing channels

Country Status (1)

Country Link
FR (1) FR910919A (en)

Similar Documents

Publication Publication Date Title
FR901127A (en) Construction process
FR908952A (en) Process for fitting hollow bodies
FR910919A (en) Method of construction of soundproofing channels
CH259758A (en) Method of constructing a frame.
FR54338E (en) Method of constructing soundproofing channels for ventilation
FR910920A (en) Advanced method of constructing multiple soundproofing channels
FR912613A (en) Improved apparatus and method of constructing cast-in-place buildings
FR911288A (en) Method of constructing soundproofing channels for ventilation
FR988833A (en) Process for isomerization of bodies belonging to the phenyl-chroman series
FR910921A (en) Soundproofing channels
FR919788A (en) Method of establishing concrete constructions and constructions resulting from the application of this method
FR903138A (en) Slag formation process
FR993880A (en) Direction finding method and installation
FR55853E (en) Building construction process
FR908956A (en) Construction process
FR901054A (en) Construction process
FR58065E (en) Advanced method of constructing multiple soundproofing channels
FR913981A (en) Method for the isolation of piperazine
FR896189A (en) Method of determining an azimuthal direction
FR56664E (en) Method of forming straightening elements
FR908103A (en) Hull construction process
FR908415A (en) Building blocks
FR890976A (en) Method of developing diazotypies
FR992156A (en) Composition intended for the production of permanent waves of the hair
FR983903A (en) Method of establishing constructions and constructions resulting from the application of this method