NL7704011A - DEVICE FOR SOUND DAMPING, EQUIPPED WITH COULISSES. - Google Patents

DEVICE FOR SOUND DAMPING, EQUIPPED WITH COULISSES.

Info

Publication number: NL7704011A
Authority: NL; Netherlands
Prior art keywords: coulisses; sound damping; damping; sound
Prior art date: 1976-04-17

Application number

NL7704011A

Other languages

Dutch (nl)

Original Assignee

Gruenzweig Hartmann Glasfaser

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.)

1976-04-17

Filing date

1977-04-13

Publication date

1977-10-19

1977-04-13 Application filed by Gruenzweig Hartmann Glasfaser filed Critical Gruenzweig Hartmann Glasfaser

1977-10-19 Publication of NL7704011A publication Critical patent/NL7704011A/en

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
- F16L9/21—Rigid pipes made of sound-absorbing materials or with sound-absorbing structure
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)
Building Environments (AREA)
Exhaust Silencers (AREA)

NL7704011A 1976-04-17 1977-04-13 DEVICE FOR SOUND DAMPING, EQUIPPED WITH COULISSES. NL7704011A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19762617000 DE2617000B2 (en)	1976-04-17	1976-04-17	Backdrops air silencer

Publications (1)

Publication Number	Publication Date
NL7704011A true NL7704011A (en)	1977-10-19

Family

ID=5975650

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7704011A NL7704011A (en)	1976-04-17	1977-04-13	DEVICE FOR SOUND DAMPING, EQUIPPED WITH COULISSES.

Country Status (6)

Country	Link
AT (1)	AT361751B (en)
BE (1)	BE853655A (en)
CH (1)	CH619804A5 (en)
DE (1)	DE2617000B2 (en)
FR (1)	FR2348429A1 (en)
NL (1)	NL7704011A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3425450A1 (en) *	1983-09-22	1985-04-04	Rox Lufttechnische Gerätebau GmbH, 5000 Köln	Equipment silencer
DE3544022A1 (en) *	1985-12-13	1987-06-19	Wakofix Montagebau Gmbh & Co K	Sound damper for smoke-exhaust and venting ducts
DE3604695A1 (en) *	1986-02-14	1987-08-20	Bayer Ag	Waste-gas chimney with resonator/absorber sound damper arranged therein
JPH0617200Y2 (en) *	1986-05-19	1994-05-02	日東紡績株式会社	Sound absorber
DE3707650C1 (en) *	1987-03-10	1988-06-09	Fraunhofer Ges Forschung	Sound absorber for scenery
DE3784171T2 (en) *	1987-11-11	1993-07-29	Nitto Boseki Co Ltd	SOUND ABSORBING TUBE.
FI95747B (en) *	1991-01-17	1995-11-30	Valmet Paper Machinery Inc	Mufflers for low frequencies for air ducts in paper mills
DE102006032259B3 (en) *	2006-07-12	2007-07-05	Frenzelit-Werke Gmbh & Co. Kg	Connection element for damping noises of power station turbines, has completely or partly sound-permeable outer skin made from textile sheet material, produced from glass fibers or high temperature glass fiber or from its mixtures
DE102008047272A1 (en) *	2008-09-16	2010-03-25	Ltg Aktiengesellschaft	Air line element i.e. noise reduction element, has baffle-type silencer assigned to region of interior side of layer, where specific weight of sound damming material is larger than that of sound absorbing material
DE102009034463A1 (en)	2009-07-22	2011-02-03	Filtro Klimatechnik Gmbh	Airborne sound absorbing device, particularly for use in air conditioning units, comprises sound absorbing bodies arranged in air flow channel or housing, where cover is designed at end of front side of sound absorbing body

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AT124595B (en) *	1928-06-02	1931-09-25	Burgess Lab Inc C F	Silencer.
US2046193A (en) *	1931-01-03	1936-06-30	Burgess Lab Inc C F	Muffler
GB750974A (en) *	1953-06-02	1956-06-20	Maxim Silencer Co	Improvements in silencers for gaseous currents
NL262265A (en) *	1960-03-11	1900-01-01
FR1381570A (en) *	1963-10-31	1964-12-14		Spiral duct silencer for flowing gaseous media
DE1260869B (en) *	1964-02-04	1968-02-08	Gerber Schall Schwingungstech	Soundproof backdrop for exhaust pipes
GB1192194A (en) *	1966-08-05	1970-05-20	Chiyoda Chem Eng Construct Co	Silencer for Suction or Discharge of Fluids Unders Pressure
GB1242864A (en) *	1968-05-15	1971-08-18	Dunlop Holdings Ltd	Acoustical elements
DE2303611B2 (en) *	1973-01-25	1977-08-04	Vasiljevic, Costa Silard, Dipl.-Ing. Dr, 7400 Tübingen	SILENCER

1976
- 1976-04-17 DE DE19762617000 patent/DE2617000B2/en not_active Withdrawn
1977
- 1977-04-13 NL NL7704011A patent/NL7704011A/en not_active Application Discontinuation
- 1977-04-15 CH CH470577A patent/CH619804A5/en not_active IP Right Cessation
- 1977-04-15 AT AT265477A patent/AT361751B/en not_active IP Right Cessation
- 1977-04-15 BE BE176765A patent/BE853655A/en unknown
- 1977-04-18 FR FR7711590A patent/FR2348429A1/en not_active Withdrawn

Also Published As

Publication number	Publication date
DE2617000B2 (en)	1981-04-02
FR2348429A1 (en)	1977-11-10
AT361751B (en)	1981-03-25
CH619804A5 (en)	1980-10-15
DE2617000A1 (en)	1977-10-20
BE853655A (en)	1977-08-01
ATA265477A (en)	1980-08-15

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Legal Events

Date	Code	Title	Description
1983-12-01	BV	The patent application has lapsed