GB2059341B - Double layer attenuation panel - Google Patents

Double layer attenuation panel

Info

Publication number
GB2059341B
GB2059341B GB8022524A GB8022524A GB2059341B GB 2059341 B GB2059341 B GB 2059341B GB 8022524 A GB8022524 A GB 8022524A GB 8022524 A GB8022524 A GB 8022524A GB 2059341 B GB2059341 B GB 2059341B
Authority
GB
United Kingdom
Prior art keywords
double layer
attenuation panel
layer attenuation
panel
double
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
GB8022524A
Other versions
GB2059341A (en
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.)
Rohr Inc
Original Assignee
Rohr Industries Inc
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
Priority claimed from US06/076,284 external-priority patent/US4318453A/en
Priority claimed from US06/081,267 external-priority patent/US4271219A/en
Priority claimed from US06/103,913 external-priority patent/US4294329A/en
Application filed by Rohr Industries Inc filed Critical Rohr Industries Inc
Publication of GB2059341A publication Critical patent/GB2059341A/en
Application granted granted Critical
Publication of GB2059341B publication Critical patent/GB2059341B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • E04C2/36—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by transversely-placed strip material, e.g. honeycomb panels
    • E04C2/365—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by transversely-placed strip material, e.g. honeycomb panels by honeycomb structures
    • 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
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B32B2305/026—Porous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2607/00—Walls, panels
GB8022524A 1979-09-17 1980-07-09 Double layer attenuation panel Expired GB2059341B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/076,284 US4318453A (en) 1979-09-17 1979-09-17 Double layer attenuation panel
US06/081,267 US4271219A (en) 1979-10-02 1979-10-02 Method of manufacturing an adhesive bonded acoustical attenuation structure and the resulting structure
US06/103,913 US4294329A (en) 1979-12-17 1979-12-17 Double layer attenuation panel with two layers of linear type material

Publications (2)

Publication Number Publication Date
GB2059341A GB2059341A (en) 1981-04-23
GB2059341B true GB2059341B (en) 1983-06-08

Family

ID=27372849

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8022524A Expired GB2059341B (en) 1979-09-17 1980-07-09 Double layer attenuation panel

Country Status (3)

Country Link
DE (1) DE3034196C2 (en)
FR (1) FR2464930B1 (en)
GB (1) GB2059341B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2056367B (en) * 1979-07-06 1983-06-02 Rohr Industries Inc Process for producing noise attenuation panels
GB2061819B (en) * 1979-10-29 1983-03-09 Rohr Industries Inc Honeycomb noise attenuation structure
US5041323A (en) * 1989-10-26 1991-08-20 Rohr Industries, Inc. Honeycomb noise attenuation structure
FR2672324A1 (en) * 1991-02-05 1992-08-07 Sonokell Structural panel for false ceilings or partitions having acoustic insulation properties
US5175401A (en) * 1991-03-18 1992-12-29 Grumman Aerospace Corporation Segmented resistance acoustic attenuating liner
FR2817994B1 (en) * 2000-12-08 2003-02-28 Eads Airbus Sa SANDWICH ACOUSTIC PANEL
FR2925208B1 (en) * 2007-12-14 2016-07-01 Eurocopter France ABSORBENT STRUCTURE FOR ATTENUATING NOISE GENERATED IN PARTICULAR BY A ROTOR AND FAIRING COMPRISING SUCH A STRUCTURE
DE102008016066A1 (en) * 2008-03-28 2009-10-01 Airbus Deutschland Gmbh sandwich panel
FR2930670B1 (en) * 2008-04-29 2013-02-15 Ateca PERFECTED ACOUSTIC PANEL
FR2956513B1 (en) * 2010-02-17 2012-08-31 Snecma ACOUSTIC TREATMENT PANEL.
EP2727102A1 (en) 2011-06-29 2014-05-07 Zephyros Inc. Acoustic panel and associated assembly method
WO2018009055A1 (en) * 2016-07-06 2018-01-11 Celluplex B.V. Cardboard fire resistant wall panel
NL2017119B1 (en) * 2016-07-06 2018-01-15 Celluplex B V Cardboard fire resistant wall panel

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3166149A (en) * 1965-01-19 Damped-resonator acoustical panels
US3948346A (en) * 1974-04-02 1976-04-06 Mcdonnell Douglas Corporation Multi-layered acoustic liner
US4084366A (en) * 1975-11-14 1978-04-18 Haworth Mfg., Inc. Sound absorbing panel

Also Published As

Publication number Publication date
DE3034196C2 (en) 1986-10-16
DE3034196A1 (en) 1981-04-02
FR2464930B1 (en) 1986-04-18
FR2464930A1 (en) 1981-03-20
GB2059341A (en) 1981-04-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930709