FR910922A - Dispositif de construction de canaux d'insonorisation - Google Patents

Dispositif de construction de canaux d'insonorisation

Info

Publication number
FR910922A
FR910922A FR910922DA FR910922A FR 910922 A FR910922 A FR 910922A FR 910922D A FR910922D A FR 910922DA FR 910922 A FR910922 A FR 910922A
Authority
FR
France
Prior art keywords
construction device
channel construction
soundproofing
soundproofing channel
construction
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
English (en)
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 FR910922A publication Critical patent/FR910922A/fr
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)
FR910922D 1944-12-23 1944-12-23 Dispositif de construction de canaux d'insonorisation Expired FR910922A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR910922T 1944-12-23

Publications (1)

Publication Number Publication Date
FR910922A true FR910922A (fr) 1946-06-24

Family

ID=9415370

Family Applications (1)

Application Number Title Priority Date Filing Date
FR910922D Expired FR910922A (fr) 1944-12-23 1944-12-23 Dispositif de construction de canaux d'insonorisation

Country Status (1)

Country Link
FR (1) FR910922A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3568791A (en) * 1968-02-27 1971-03-09 Univ Sydney Air ducting

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3568791A (en) * 1968-02-27 1971-03-09 Univ Sydney Air ducting

Similar Documents

Publication Publication Date Title
FR950411A (fr) Dispositif amortisseur de mouvements
FR934838A (fr) Système sélecteur d'impulsions
FR950513A (fr) Dispositif de conversion
FR938541A (fr) Dispositif téléphonique
FR910922A (fr) Dispositif de construction de canaux d'insonorisation
FR925484A (fr) Dispositif obturateur d'ouvertures
FR910923A (fr) Dispositif pour l'insonorisation de canaux de ventilation
FR921160A (fr) Canal perfectionné d'insonorisation
FR938552A (fr) Dispositif d'accouplement débrayable
FR916933A (fr) Dispositif de guidage
FR53827E (fr) Dispositif d'arrosage
FR916694A (fr) Dispositif de serrure
FR906522A (fr) Dispositif de communication
FR917460A (fr) Dispositif de fixation
FR908471A (fr) Dispositif de commande d'embrayage
FR918948A (fr) Dispositif perfectionné de construction
FR929199A (fr) Dispositif de ventilation à déflecteur
FR910921A (fr) Canaux d'insonorisation
FR941094A (fr) Dispositif de filtration
FR907411A (fr) Dispositif d'enregistrement sonore
FR55752E (fr) Dispositif de démultiplication progressive
CH275556A (fr) Dispositif d'entraînement.
FR905183A (fr) Dispositif de tronçonnage
FR990200A (fr) Dispositif de frappe
FR932147A (fr) Dispositif téléphonique