GB2019983A

GB2019983A – Sound-attenuating panel
– Google Patents

GB2019983A – Sound-attenuating panel
– Google Patents
Sound-attenuating panel

Info

Publication number
GB2019983A

GB2019983A
GB7900309A
GB7900309A
GB2019983A
GB 2019983 A
GB2019983 A
GB 2019983A
GB 7900309 A
GB7900309 A
GB 7900309A
GB 7900309 A
GB7900309 A
GB 7900309A
GB 2019983 A
GB2019983 A
GB 2019983A
Authority
GB
United Kingdom
Prior art keywords
sound
attenuating panel
attenuating
panel
Prior art date
1978-05-01
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.)

Granted

Application number
GB7900309A
Other versions

GB2019983B
(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.)

Boeing Co

Original Assignee
Boeing Co
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.)
1978-05-01
Filing date
1979-01-04
Publication date
1979-11-07

1979-01-04
Application filed by Boeing Co
filed
Critical
Boeing Co

1979-11-07
Publication of GB2019983A
publication
Critical
patent/GB2019983A/en

1982-09-02
Application granted
granted
Critical

1982-09-02
Publication of GB2019983B
publication
Critical
patent/GB2019983B/en

Status
Expired
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

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

B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL

B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE

B29D24/00—Producing articles with hollow walls

B29D24/002—Producing articles with hollow walls formed with structures, e.g. cores placed between two plates or sheets, e.g. partially filled

B29D24/005—Producing articles with hollow walls formed with structures, e.g. cores placed between two plates or sheets, e.g. partially filled the structure having joined ribs, e.g. honeycomb

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

B32B15/00—Layered products comprising a layer of metal

B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material

B32B15/06—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of natural rubber or synthetic rubber

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

B32B15/00—Layered products comprising a layer of metal

B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material

B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin

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

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

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

B32B2305/024—Honeycomb

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

B32B2307/00—Properties of the layers or laminate

B32B2307/50—Properties of the layers or laminate having particular mechanical properties

B32B2307/56—Damping, energy absorption

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

B32B2307/70—Other properties

B32B2307/724—Permeability to gases, adsorption

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

B32B2307/70—Other properties

B32B2307/724—Permeability to gases, adsorption

B32B2307/7242—Non-permeable

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

B32B2307/70—Other properties

B32B2307/726—Permeability to liquids, absorption

B32B2307/7265—Non-permeable

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

B32B2311/00—Metals, their alloys or their compounds

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

B32B2315/00—Other materials containing non-metallic inorganic compounds not provided for in groups B32B2311/00 – B32B2313/04

B32B2315/02—Ceramics

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

B32B2317/00—Animal or vegetable based

B32B2317/22—Natural rubber

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

B32B2319/00—Synthetic rubber

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

B32B2398/00—Unspecified macromolecular compounds

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

Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC

Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

Y10T428/00—Stock material or miscellaneous articles

Y10T428/12—All metal or with adjacent metals

Y10T428/1234—Honeycomb, or with grain orientation or elongated elements in defined angular relationship in respective components [e.g., parallel, inter- secting, etc.]

Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC

Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

Y10T428/00—Stock material or miscellaneous articles

Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]

Y10T428/24149—Honeycomb-like

Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC

Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

Y10T428/00—Stock material or miscellaneous articles

Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]

Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture

GB7900309A
1978-05-01
1979-01-04
Sound-attenuating panel

Expired

GB2019983B
(en)

Applications Claiming Priority (1)

Application Number
Priority Date
Filing Date
Title

US05/901,337

US4265955A
(en)

1978-05-01
1978-05-01
Honeycomb core with internal septum and method of making same

Publications (2)

Publication Number
Publication Date

GB2019983A
true

GB2019983A
(en)

1979-11-07

GB2019983B

GB2019983B
(en)

1982-09-02

Family
ID=25413968
Family Applications (2)

Application Number
Title
Priority Date
Filing Date

GB7900310A
Expired

GB2019767B
(en)

1978-05-01
1979-01-04
Method of making a cellular core with internal septum

GB7900309A
Expired

GB2019983B
(en)

1978-05-01
1979-01-04
Sound-attenuating panel

Family Applications Before (1)

Application Number
Title
Priority Date
Filing Date

GB7900310A
Expired

GB2019767B
(en)

1978-05-01
1979-01-04
Method of making a cellular core with internal septum

Country Status (6)

Country
Link

US
(1)

US4265955A
(en)

JP
(1)

JPS54144488A
(en)

DE
(1)

DE2903024A1
(en)

FR
(1)

FR2425118A1
(en)

GB
(2)

GB2019767B
(en)

IT
(1)

IT1116451B
(en)

Cited By (8)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

FR2445436A1
(en)

*

1978-12-27
1980-07-25
Rolls Royce

MULTI-LAYER ACOUSTIC TRIM, FOR FLUID FLOW DUCTS, SUCH AS INTAKE OR EXHAUST DUCTS FOR GAS TURBINE ENGINES

FR2498793A1
(en)

*

1981-01-29
1982-07-30
Snecma

INSONORIZING TRIM FOR GAS DUCT, IN PARTICULAR FOR A TURBOREACTOR BLOWER VEHICLE AND TOOLS FOR MANUFACTURING SAME

EP0311931A2
(en)

*

1987-10-15
1989-04-19
The Boeing Company
Reinforced honeycomb core sandwich panels and method for making same

GB2252076A
(en)

*

1991-01-22
1992-07-29
Short Brothers Plc
Noise attenuation panel

WO1992012854A1
(en)

*

1991-01-22
1992-08-06
Short Brothers Plc
Structural cellular component

EP0586000A1
(en)

*

1992-08-10
1994-03-09
The Boeing Company
Non-metallic thermally conductive honeycomb thrust reverser inner wall

WO1996000650A1
(en)

*

1994-06-30
1996-01-11
Short Brothers Plc
Structural cellular component

GB2295794A
(en)

*

1994-06-30
1996-06-12
Short Brothers Plc
Structural cellular component

Families Citing this family (80)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US4594120A
(en)

*

1981-07-27
1986-06-10
Ltv Aerospace And Defense Company
Method for installing a septum in honeycomb core

US4475624A
(en)

*

1981-07-27
1984-10-09
Ltv Aerospace And Defense Company
Honeycomb structure

US4421201A
(en)

*

1981-09-29
1983-12-20
The Boeing Company
High efficiency broadband acoustic resonator and absorption panel

US5076875A
(en)

*

1983-01-11
1991-12-31
Facet Enterprises, Incorporated
Composite intermediate bonding structures

US4522284A
(en)

*

1983-04-20
1985-06-11
Peabody Noise Control, Inc.
Composite panel structure

US4641726A
(en)

*

1983-04-20
1987-02-10
Peabody Noise Control, Inc.
Composite structure and method of manufacturing it

US4496024A
(en)

*

1983-08-06
1985-01-29
Midwest-Acoust-A-Fiber, Inc.
Sound absorption panel and method of making

US4849276A
(en)

*

1984-02-17
1989-07-18
The Boeing Company
Thermal insulation structure

US4816097A
(en)

*

1988-04-05
1989-03-28
The Boeing Company
Method of manufacturing a non-metallic core having a perforated septum embedded therein

FR2639742B2
(en)

*

1988-05-30
1992-03-13
Dassault Electronique

TRANSACTION SYSTEM OF THE MIXED ELECTRONIC PURSE TYPE

US5106668A
(en)

*

1989-06-07
1992-04-21
Hexcel Corporation
Multi-layer honeycomb structure

US5180619A
(en)

*

1989-12-04
1993-01-19
Supracor Systems, Inc.
Perforated honeycomb

US5618633A
(en)

*

1994-07-12
1997-04-08
Precision Castparts Corporation
Honeycomb casting

CA2164663C
(en)

*

1994-12-20
1999-08-10
David B. Martin
Tackable acoustical-barrier panel

FR2737689B1
(en)

*

1995-08-09
1997-10-31
Michel Ets

PHONICALLY INSULATING PANEL, IN PARTICULAR FLOOR MAT FOR VEHICLE INTERIOR

US5776579A
(en)

*

1996-03-28
1998-07-07
The Boeing Company
Structural bonding with encapsulated foaming adhesive

US5782082A
(en)

*

1996-06-13
1998-07-21
The Boeing Company
Aircraft engine acoustic liner

DE19804718C2
(en)

*

1998-02-06
2001-09-13
Eurocopter Deutschland

Sound absorbing sandwich wall

FR2781719B1
(en)

*

1998-07-30
2000-09-08
Hispano Suiza Sa

HONEYCOMB STRUCTURE, IN PARTICULAR FOR SOUND ABSORPTION, AND MANUFACTURING METHOD THEREOF

US6203656B1
(en)

1998-08-03
2001-03-20
General Electric Company
Acoustic liner manufacture

US5997985A
(en)

*

1998-09-10
1999-12-07
Northrop Grumman Corporation
Method of forming acoustic attenuation chambers using laser processing of multi-layered polymer films

DE19910595A1
(en)

*

1999-03-10
2000-09-21
Volkswagen Ag

Airborne sound-absorbing molded part

US6509081B1
(en)

2000-09-28
2003-01-21
The Boeing Company
No-septum acoustic sandwich panel, and apparatus and method for suppressing noise in a nozzle

JP4585723B2
(en)

*

2001-09-18
2010-11-24
日機装株式会社

Method for manufacturing perforated honeycomb panel

US6668561B1
(en)

2002-06-27
2003-12-30
Northrop Grumman Corporation
Pressure regulated structure

US6871725B2
(en)

*

2003-02-21
2005-03-29
Jeffrey Don Johnson
Honeycomb core acoustic unit with metallurgically secured deformable septum, and method of manufacture

EP1628857B1
(en)

*

2003-06-03
2010-01-27
Decoma International Inc.
Bumper energy absorber and method of fabricating and assembling the same

US8413761B2
(en)

*

2005-04-04
2013-04-09
Hexcel Corporation
Acoustic honeycomb with perforated septum caps

US7434659B2
(en)

*

2005-04-04
2008-10-14
Hexcel Corporation
Acoustic septum cap honeycomb

WO2008067366A2
(en)

*

2006-11-28
2008-06-05
Usa As Represented By The Administrator Of The National Aeronautics And Space Administration
Composite panel with reinforced recesses

DE102007060668A1
(en)

*

2007-12-17
2009-06-18
Airbus Deutschland Gmbh

Sandwich panel for sound absorption

CN101468532A
(en)

*

2007-12-29
2009-07-01
冷鹭浩
Plastic foaming cellular composite board

FR2940176B1
(en)

*

2008-12-22
2011-02-11
Aircelle Sa

METHOD FOR MANUFACTURING AN ACOUSTICAL ATTENUATION PANEL, IN PARTICULAR FOR AERONAUTICS

US7998389B2
(en)

*

2009-07-17
2011-08-16
Spirit Aerosystems, Inc.
Method for septumizing injection molded thermoplastic core

US9079674B1
(en)

*

2009-09-18
2015-07-14
Blue Origin, Llc
Composite structures for aerospace vehicles, and associated systems and methods

JP5531343B2
(en)

*

2010-01-21
2014-06-25
神鋼建材工業株式会社

Partition panel

US8607925B2
(en)

*

2010-07-20
2013-12-17
Hendrik David Gideonse
Wedge-shaped acoustic diffuser and method of installation

US8596413B2
(en)

*

2011-07-25
2013-12-03
Dresser-Rand Company
Acoustic array of polymer material

US8607924B2
(en)

*

2011-09-08
2013-12-17
Hexcel Corporation
Anchoring of septums in acoustic honeycomb

US10294815B2
(en)

*

2012-03-01
2019-05-21
The Boeing Company
SPF/DB structure for attenuation of noise from air flow

US8651233B2
(en)

2012-05-08
2014-02-18
Hexcel Corporation
Acoustic structure with increased bandwidth suppression

US8696843B1
(en)

2012-09-06
2014-04-15
The Boeing Company
Repair of acoustically treated structures

US8733500B1
(en)

2012-11-12
2014-05-27
Hexcel Corporation
Acoustic structure with internal thermal regulators

US8820477B1
(en)

*

2013-07-29
2014-09-02
The Boeing Company
Acoustic panel

US9643392B2
(en)

2013-07-29
2017-05-09
The Boeing Company
Septumization of honeycomb sandwiches

US9693166B2
(en)

2014-06-24
2017-06-27
The Boeing Company
Automated production of acoustic structures

US9931825B2
(en)

2014-07-09
2018-04-03
The Boeing Company
Septumization of cellular cores

RU2572253C1
(en)

*

2014-10-07
2016-01-10
Федеральное государственное унитарное предприятие “Всероссийский научно-исследовательский институт авиационных материалов” (ФГУП “ВИАМ”)
Sound-absorbing material and structural elements of engine and its nacelle

US10336433B2
(en)

2015-03-09
2019-07-02
The Boeing Company
Fused porogen process for acoustic septa fabrication

MX370318B
(en)

*

2015-09-28
2019-11-25
Eduardo Gadsden Hevia Carlos
Construction system based on spatial cells.

WO2016208507A1
(en)

*

2015-06-22
2016-12-29
富士フイルム株式会社
Sound-proof structure, louver, and partition

JP6570641B2
(en)

*

2015-08-21
2019-09-04
富士フイルム株式会社

Soundproof structure

JP6510653B2
(en)

*

2015-08-21
2019-05-08
富士フイルム株式会社

Soundproof structure

US10232549B2
(en)

2015-09-10
2019-03-19
The Boeing Company
Geometric sound absorption via additive manufacturing

RU2612674C1
(en)

*

2015-10-15
2017-03-13
Федеральное государственное унитарное предприятие “Всероссийский научно-исследовательский институт авиационных материалов” (ФГУП “ВИАМ”)
Polymer sound-absorbing material and method for its manufacturing

US9752595B2
(en)

*

2015-11-03
2017-09-05
Rohr, Inc.
Nacelle core with insert

US10174675B2
(en)

2015-12-30
2019-01-08
General Electric Company
Acoustic liner for gas turbine engine components

US20170254379A1
(en)

*

2016-03-07
2017-09-07
Purple Innovation, Llc
Elastomeric cushion members including perforated skins and related methods

US9620102B1
(en)

*

2016-05-02
2017-04-11
Hexcel Corporation
Stepped acoustic structures with multiple degrees of freedom

JP6625224B2
(en)

2016-08-23
2019-12-25
富士フイルム株式会社

Soundproof structure and opening structure

US10332501B2
(en)

2017-02-01
2019-06-25
General Electric Company
Continuous degree of freedom acoustic cores

CN106982546B
(en)

*

2017-04-21
2019-05-14
中国航空工业集团公司基础技术研究院
A kind of electromagnetic shielding honeycomb core material, preparation method and implantation tooling

CA3075298A1
(en)

2017-09-07
2019-03-14
The Nordam Group Llc
Acoutic abatement panel fabrication

US11125157B2
(en)

2017-09-22
2021-09-21
The Boeing Company
Advanced inlet design

RU2699298C2
(en)

*

2017-10-05
2019-09-04
Акционерное общество “Объединенная двигателестроительная корпорация” (АО “ОДК”)
Method for manufacturing acoustic structure blank

CN107639922B
(en)

*

2017-10-25
2019-11-15
中国航空工业集团公司基础技术研究院
A kind of device and method preparing internal partition honeycomb core material

US11059559B2
(en)

2018-03-05
2021-07-13
General Electric Company
Acoustic liners with oblique cellular structures

US11052633B2
(en)

*

2018-05-17
2021-07-06
Safran Cabin Inc.
Honeycomb core with improved acoustic properties and method for making same

US11261786B2
(en)

*

2018-08-06
2022-03-01
Rohr, Inc.
Continuous slanted cell septum

US11047304B2
(en)

2018-08-08
2021-06-29
General Electric Company
Acoustic cores with sound-attenuating protuberances

US10823059B2
(en)

2018-10-03
2020-11-03
General Electric Company
Acoustic core assemblies with mechanically joined acoustic core segments, and methods of mechanically joining acoustic core segments

US20220189445A1
(en)

*

2019-02-13
2022-06-16
Nissan Motor Co., Ltd.
Soundproofing structure

US20220130363A1
(en)

*

2019-02-13
2022-04-28
Nissan Motor Co., Ltd.
Soundproofing structure

FR3093374B1
(en)

*

2019-02-28
2023-06-16
Safran Nacelles

Process for producing alveolar cores with open internal conical shapes

US11434819B2
(en)

2019-03-29
2022-09-06
General Electric Company
Acoustic liners with enhanced acoustic absorption and reduced drag characteristics

FR3101723B1
(en)

*

2019-10-08
2022-07-22
Safran Nacelles

Acoustic attenuation panel for low frequency waves

US11668236B2
(en)

2020-07-24
2023-06-06
General Electric Company
Acoustic liners with low-frequency sound wave attenuating features

FR3115147B1
(en)

*

2020-10-09
2023-06-09
Airbus Operations Sas

METHOD FOR MANUFACTURING A SOUNDPROOFING ASSEMBLY COMPRISING TWO SUPERIMPOSED PANELS

FR3124016A1
(en)

*

2021-06-15
2022-12-16
Safran Nacelles

Reinforced acoustic treatment panel for an aircraft propulsion system

US11674396B2
(en)

2021-07-30
2023-06-13
General Electric Company
Cooling air delivery assembly

Family Cites Families (18)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US525202A
(en)

*

1894-08-28

Jean benoit granjon and camille bellon

US2870857A
(en)

*

1956-03-06
1959-01-27
Celotex Corp
Translucent acoustical correction ceiling construction

US3064345A
(en)

*

1959-08-27
1962-11-20
Northrop Corp
Process for chucking porous materials

US3053720A
(en)

*

1960-03-14
1962-09-11
Purex Corp Ltd
Process for etching metal honeycomb

US3021565A
(en)

*

1960-05-09
1962-02-20
Northrop Corp
Stabilizer for honeycom core

US3249659A
(en)

*

1961-07-19
1966-05-03
Allied Chem
Method of making laminated panel structures

US3802145A
(en)

*

1970-06-03
1974-04-09
Rohr Corp
Mechanism and method for providing intra-cell thermal resistance in honeycomb panel cores

US3734234A
(en)

*

1971-11-08
1973-05-22
Lockheed Aircraft Corp
Sound absorption structure

DE2314396B1
(en)

*

1973-03-22
1974-06-20
Vasiljevic Costa Silard Dipl I

Device for sound absorption using resonators

US3948346A
(en)

*

1974-04-02
1976-04-06
Mcdonnell Douglas Corporation
Multi-layered acoustic liner

GB1502314A
(en)

*

1974-04-08
1978-03-01
Lockheed Aircraft Corp
Cellular sound absorptive structure

GB1490923A
(en)

*

1975-06-23
1977-11-02
Short Brothers & Harland Ltd
Sound-absorbing structures

JPS5248560A
(en)

*

1975-10-16
1977-04-18
Kondo Hiroaki
Method of making honeycomb board

US4084366A
(en)

*

1975-11-14
1978-04-18
Haworth Mfg., Inc.
Sound absorbing panel

US4001473A
(en)

*

1976-02-19
1977-01-04
Rohr Industries, Inc.
Sound attenuating structural honeycomb sandwich material

JPS52134227A
(en)

*

1976-05-06
1977-11-10
Nippon Light Metal Co
Core material of panel for construction and its preparation method

JPS5910903B2
(en)

*

1976-07-13
1984-03-12
日本ポリウレタン工業株式会社

Continuous manufacturing method for composite panels

US4118263A
(en)

*

1976-12-30
1978-10-03
Cook William H Jun
Method of manufacturing structural honeycomb with integral heat radiation shields, and the resulting product thereof

1978

1978-05-01
US
US05/901,337
patent/US4265955A/en
not_active
Expired – Lifetime

1979

1979-01-04
GB
GB7900310A
patent/GB2019767B/en
not_active
Expired

1979-01-04
GB
GB7900309A
patent/GB2019983B/en
not_active
Expired

1979-01-26
DE
DE19792903024
patent/DE2903024A1/en
active
Granted

1979-02-15
JP
JP1556179A
patent/JPS54144488A/en
active
Pending

1979-02-19
FR
FR7904174A
patent/FR2425118A1/en
active
Granted

1979-04-17
IT
IT48750/79A
patent/IT1116451B/en
active

Cited By (17)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

FR2445436A1
(en)

*

1978-12-27
1980-07-25
Rolls Royce

MULTI-LAYER ACOUSTIC TRIM, FOR FLUID FLOW DUCTS, SUCH AS INTAKE OR EXHAUST DUCTS FOR GAS TURBINE ENGINES

FR2498793A1
(en)

*

1981-01-29
1982-07-30
Snecma

INSONORIZING TRIM FOR GAS DUCT, IN PARTICULAR FOR A TURBOREACTOR BLOWER VEHICLE AND TOOLS FOR MANUFACTURING SAME

US4449607A
(en)

*

1981-01-29
1984-05-22
S.N.E.C.M.A.
Soundproofing for a gas pipe, in particular for the fan jet of a turbojet, and equipment for its fabrication

EP0311931A2
(en)

*

1987-10-15
1989-04-19
The Boeing Company
Reinforced honeycomb core sandwich panels and method for making same

EP0311931A3
(en)

*

1987-10-15
1989-09-27
The Boeing Company
Reinforced honeycomb core sandwich panels and method for making same

GB2252076B
(en)

*

1991-01-22
1994-11-09
Short Brothers Plc
Noise attenuation panel

GB2252076A
(en)

*

1991-01-22
1992-07-29
Short Brothers Plc
Noise attenuation panel

WO1992012854A1
(en)

*

1991-01-22
1992-08-06
Short Brothers Plc
Structural cellular component

WO1992012856A1
(en)

*

1991-01-22
1992-08-06
Short Brothers Plc
Noise attenuation panel

EP0586000A1
(en)

*

1992-08-10
1994-03-09
The Boeing Company
Non-metallic thermally conductive honeycomb thrust reverser inner wall

US6051302A
(en)

*

1992-08-10
2000-04-18
The Boeing Company
Thrust reverser inner wall

US6210773B1
(en)

1992-08-10
2001-04-03
The Boeing Company
Non-metallic thermally conductive honeycomb thrust reverser inner wall

US6440521B1
(en)

1992-08-10
2002-08-27
The Boeing Company
Method for transferring heat in an aircraft engine thrust reverser

WO1996000650A1
(en)

*

1994-06-30
1996-01-11
Short Brothers Plc
Structural cellular component

GB2295794A
(en)

*

1994-06-30
1996-06-12
Short Brothers Plc
Structural cellular component

GB2295794B
(en)

*

1994-06-30
1998-07-08
Short Brothers Plc
Structural cellular component

US5785919A
(en)

*

1994-06-30
1998-07-28
Short Brothers Plc
Method of manufacture of structual cellular components

Also Published As

Publication number
Publication date

IT7948750D0
(en)

1979-04-17

JPS54144488A
(en)

1979-11-10

GB2019767A
(en)

1979-11-07

DE2903024C2
(en)

1989-11-02

GB2019983B
(en)

1982-09-02

IT1116451B
(en)

1986-02-10

US4265955A
(en)

1981-05-05

DE2903024A1
(en)

1979-11-15

FR2425118A1
(en)

1979-11-30

FR2425118B1
(en)

1985-02-01

GB2019767B
(en)

1982-07-07

Similar Documents

Publication
Publication Date
Title

GB2019983B
(en)

1982-09-02

Sound-attenuating panel

GB2025691B
(en)

1982-09-22

Phovoltaic-cell panel

GB2036933B
(en)

1982-09-15

Acoustical panel

DE2965468D1
(en)

1983-07-07

Improved acoustical panel

GB2066730B
(en)

1984-02-29

Sound-absorbing panel

JPS5545987A
(en)

1980-03-31

Panel structure

AU3994678A
(en)

1980-03-27

Facing panel structure

GB2059330B
(en)

1983-03-09

Panel construction

JPS54125827A
(en)

1979-09-29

Panel assembly

GB2032354B
(en)

1983-04-27

Panel

JPS5536566A
(en)

1980-03-14

Sounddinsulating panel

JPS55116949A
(en)

1980-09-08

Panel

JPS54152319A
(en)

1979-11-30

Panel for construction

JPS5613161A
(en)

1981-02-09

Fireeresisting panel

JPS54152318A
(en)

1979-11-30

Structure panel

JPS5526391A
(en)

1980-02-25

Panel

JPS54155618A
(en)

1979-12-07

Panel

JPS5499314A
(en)

1979-08-06

Sounddabsorbing panel

JPS5517556A
(en)

1980-02-07

Panel

JPS5517557A
(en)

1980-02-07

Panel

JPS5561203A
(en)

1980-05-08

Panel unit

JPS54101699A
(en)

1979-08-10

Art panel

JPS5555750A
(en)

1980-04-23

Panel for buildeng

JPS55122964A
(en)

1980-09-22

Panel application

JPS566853A
(en)

1981-01-24

Panel

Legal Events

Date
Code
Title
Description

1999-01-27
PE20
Patent expired after termination of 20 years

Effective date:
19990103

Download PDF in English

None