FR910920A - Advanced method of constructing multiple soundproofing channels - Google Patents

Advanced method of constructing multiple soundproofing channels

Info

Publication number
FR910920A
FR910920A FR910920DA FR910920A FR 910920 A FR910920 A FR 910920A FR 910920D A FR910920D A FR 910920DA FR 910920 A FR910920 A FR 910920A
Authority
FR
France
Prior art keywords
channels
advanced method
constructing multiple
soundproofing
multiple soundproofing
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 FR910920A publication Critical patent/FR910920A/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
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02—Energy absorbers; Noise absorbers
    • F16L55/027—Throttle passages

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR910920D 1944-12-23 1944-12-23 Advanced method of constructing multiple soundproofing channels Expired FR910920A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR910920T 1944-12-23

Publications (1)

Publication Number Publication Date
FR910920A true FR910920A (en) 1946-06-24

Family

ID=9415354

Family Applications (1)

Application Number Title Priority Date Filing Date
FR910920D Expired FR910920A (en) 1944-12-23 1944-12-23 Advanced method of constructing multiple soundproofing channels

Country Status (1)

Country Link
FR (1) FR910920A (en)

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