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WO2006007502A1 - Procede d'isolation - Google Patents

Procede d'isolation Download PDF

Info

Publication number
WO2006007502A1
WO2006007502A1 PCT/US2005/023031 US2005023031W WO2006007502A1 WO 2006007502 A1 WO2006007502 A1 WO 2006007502A1 US 2005023031 W US2005023031 W US 2005023031W WO 2006007502 A1 WO2006007502 A1 WO 2006007502A1
Authority
WO
WIPO (PCT)
Prior art keywords
insulation
articles
aircraft
vehicle
shape
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.)
Ceased
Application number
PCT/US2005/023031
Other languages
English (en)
Inventor
Daniel R. Fronek
Michael P. Daniels
David J. Yarusso
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.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties 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.)
Filing date
Publication date
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Priority to EP05787522A priority Critical patent/EP1765640A1/fr
Priority to CA002572460A priority patent/CA2572460A1/fr
Priority to JP2007519376A priority patent/JP2008505005A/ja
Priority to BRPI0512906-0A priority patent/BRPI0512906A/pt
Publication of WO2006007502A1 publication Critical patent/WO2006007502A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/08—Insulating elements, e.g. for sound insulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/08—Insulating elements, e.g. for sound insulation
    • B60R13/0815—Acoustic or thermal insulation of passenger compartments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
    • B64C1/40—Sound or heat insulation, e.g. using insulation blankets

Definitions

  • This invention relates to processes for providing thermal and/or acoustic shielding to, for example, transportation vehicles such as aircraft.
  • Thermal and/or acoustic insulation is widely employed in a variety of applications. Such insulation provides enhanced comfort and improved efficiency in certain common vehicle uses (for example, in air conditioning and acoustically insulating automobiles) and is critical to the proper operation of other vehicles (for example, in maintaining a temperature gradient in high-flying aircraft).
  • the insulation installed in many of today's vehicles must meet very stringent thermal and acoustic insulation requirements. As a result, the insulation material is often tightly packed into constricted areas and around many objects to ensure maximum insulation. The insulation must also perform under a wide range of environmental conditions. These demands are particularly strict in the design of aircraft, which regularly undergo dramatic temperature, pressure, and humidity changes.
  • Complicating the process of insulating vehicles is the fact that their shells often contain numerous obstructions (for example, pipes, stringers, tubes, and structural ribs) that the insulation material must be fitted around.
  • the insulation also needs to be removable to permit inspection, maintenance, and repair (for example, inspection for corrosion and other problems).
  • the insulating material is, particularly in the aircraft industry, generally custom cut to size and fitted with a custom cover to form a customized insulation blanket.
  • custom parts typically must be assigned individual part numbers that require tracking during manufacture and storage.
  • the custom parts must then be matched with the locations within the vehicle that correspond to the custom parts in size and shape. Since a typical large passenger jet aircraft, for example, can have over 1300 differently-sized and/or differently-shaped pieces of insulation, the costs of such customization and its accompanying tracking can be substantial.
  • this invention provides such a process, which comprises providing a vehicle with an insulation system comprising a plurality of location- interchangeable, insulation articles that are substantially identical in size and shape.
  • the vehicle can be, for example, an automobile, truck, train, boat, ship, or aircraft (preferably, an aircraft; more preferably, a commercial aircraft; most preferably, a commercial jet that has a passenger capacity of at least about 100).
  • location-interchangeable means that the insulation articles can be used in more than one location within a vehicle and are not customized in size or shape to match surfaces (or spaces) that have particular sizes and shapes. Rather, the articles are of a standard size and shape, such that a plurality (that is, at least two) of the articles can be used (instead of a single, larger, customized article) to collectively cover surfaces (or fill spaces) of varying shapes and sizes.
  • the articles are "substantially identical” in size and shape (that is, sufficiently identical in size and shape, in accordance with typical manufacturing tolerances, to enable the substitution of one for another in carrying out the process of the invention).
  • the insulation system can further comprise other components (for example, insulation articles of a limited number of other standard shapes and/or sizes).
  • the insulation system is preferably provided to at least a major portion of the interior surface of the exterior skin of the aircraft, or to at least a major portion of the exterior surface of the interior compartments of the aircraft.
  • one or more of the interior panels of the aircraft can comprise a plurality of the articles.
  • Insulation articles that can be used in carrying out the process of the invention include any of the materials (for example, fiberglass) and/or articles (for example, insulation blankets) that can be used to provide thermal and/or acoustic shielding.
  • the insulation articles can comprise, for example, fibrous insulation, foam insulation, vacuum-based insulation, glass bubble-based insulation, or combinations thereof.
  • the insulation articles comprise fibrous insulation, vacuum-based insulation, or combinations thereof (more preferably, the articles comprise vacuum-based insulation).
  • Suitable fibrous materials include, for example, fiberglass and the melt blown fibers comprising polypropylene that are commercially available from 3M Company of St. Paul, MN under the trade designation THINSULATE.
  • Fibrous insulation can be provided in the form of a lofty non- woven layer or mat in which the fibers are entangled with or bonded to each other.
  • Such mats can be prepared according to conventional techniques such as melt blowing, air laying, or carding. The mats can be made with thermobonding fibers and exposed to heat to cause the thermobonding fibers to soften and bind at least some of the fibers together.
  • the mat consists of a combination of entangled staple fibers and bonding staple fibers where the bonding fibers have, for example, a core of polyethylene terephthalate surrounded by a sheath of an adhesive polymer formed from isophthalate and terephthalate esters.
  • the insulation articles used in the process of the invention can be in the form of a panel or a mat or bat of insulation material, or, alternatively, the articles can optionally further comprise protective layers or even a protective casing or bag (for example, comprising polymer film) that substantially or even fully encloses the insulation material.
  • the layers and/or bag can be either flexible, semi-rigid, or rigid.
  • the insulation material can optionally be treated (for example, with silicones or fluorochemicals as topical treatments or polymer melt additives) to increase its hydrophobicity.
  • the insulation articles can comprise one or more layers of insulation material.
  • other materials and layers conventionally found in insulation blankets can be included.
  • the article can further comprise one or more high-temperature resistant materials (including, for example, materials that are resistant to flame propagation and/or flame penetration), one or more adhesive compositions or films, one or more scrims (for example, woven or nonwoven material or netting), one or more water repellent coatings, one or more intumescent additives or coatings, one or more reflective films (for example, for controlling radiant energy), and one or more polymer films (which can optionally be metallized), as well as flame retardants, antistatic agents, anti-mildew agents, and the like.
  • the above-described insulation articles can be manufactured by known methods and can further comprise one or more attachment devices for use in attaching the articles to each other and/or to the vehicle.
  • Useful attachment devices include adhesives (for example, pressure-sensitive adhesives or non-tacky adhesives), re-closable fasteners (for example, hook and loop fasteners), mechanical interlocks (for example, tongue and groove, buttons and button holes, snaps, and shaped "puzzle-like" edges or structures), clips, pins, and the like, and combinations thereof.
  • the attachment devices are preferably an integral part of the article, but separate attachment devices can be utilized, if desired.
  • the articles can be of any shape and size that facilitates coverage of a vehicle surface.
  • usefully shaped articles include spherical articles and "two-dimensional" panels or sheets or thicker versions thereof (three-dimensional "solids") that are, for example, square (six faces), rectangular (six faces), triangular (five faces), hexagonal (eight faces), octagonal (ten faces), doughnut-shaped, and the like.
  • the particular shape and size of the articles that are chosen for carrying out the process of the invention will vary, depending, for example, upon the size of the vehicle and its surface configurations. However, rectangular shapes (rectangular solids) can sometimes be preferred, due to their versatility.
  • useful insulation systems can further comprise other components such as supplementary insulation articles of a limited number of other standard shapes or sizes.
  • supplementary insulation articles of a limited number of other standard shapes or sizes.
  • large open sections of a vehicle preferably, an aircraft
  • smaller areas can be insulated using smaller supplementary insulation articles.
  • the shapes can be selected for optimum packing geometry to allow installation around surface protrusions with minimal or no gaps.
  • the supplementary insulation articles are of the same shape as the primary insulation articles (differing only in size).
  • the supplementary insulation articles can be differently-shaped, however, although the insulation system generally contains no more than about 100 different shapes in total (preferably, no more than about 50; more preferably, no more than about 20; most preferably, no more than about 10).
  • the insulation articles of each particular shape can vary in size, but the total number of sizes of each different shape generally does not exceed about 100 (preferably, does not exceed about 50; more preferably, does not exceed about 20; most preferably, does not exceed about 10).
  • the vehicle can be provided with the insulation articles in any desired manner (for example, by bringing the articles in or on the vehicle or one or more of its components, for example, by placement, application, or attachment).
  • the insulation articles can, for example, be attached to the vehicle and/or to each other to form the insulation system. This can be accomplished using any attachment device that is capable of use with the materials comprising the insulation articles and with the vehicle surface.
  • the insulation articles can be coated with a first adhesive that will adhere only to itself and will release when pulled upon. Such an adhesive generally cannot aggressively bind dirt or other contaminants.
  • a second adhesive can be used to attach the insulation articles to the vehicle surface.
  • mechanical or re-closable fastening systems can be used to attach the articles to each other, and an adhesive can be used to attach the articles to the vehicle surface.
  • an adhesive can be used to attach the articles to the vehicle surface.
  • the insulation articles are in the form of panels or sheets, they can be laid down, for example, in an overlapping manner similar to the manner in which roofing shingles are laid down. Such overlap can reduce thermal and acoustic leakage at the joints between the insulation articles and increase the insulating properties of the system. This approach can facilitate installation in confined spaces and enable desirable thermal and acoustic properties to be achieved in such spaces.
  • adhesive can be used on one side of the panels or sheets for attachment both to the vehicle surface and to other panels or sheets. Mechanical or re-closable fasteners can also be used to hold each sheet to the one below.
  • the insulation process of the invention is particularly useful in insulating aircraft by providing (for example, applying or attaching) the insulation system to an area anywhere between and including (i) the interior surface of the exterior skin of the aircraft and (ii) the exterior surface of the interior compartments of the aircraft (including the underside of the floor of the passenger compartment).
  • the insulation articles can be designed to be flexible enough to push around irregular shapes on the aircraft surface or can simply be positioned to allow wire penetrations, etc.
  • the insulation articles can be designed to be sufficiently stiff yet elastic to enable them to be snapped into place over the frame.
  • Such insulation articles can insulate the frame and also provide attachment sites for the remainder of the insulation system.
  • Fiberglass insulating material in the form of OrcotekTM Strip Blankets (fiberglass batting with an insulation covering film, available from Orcon Corporation, Union City, California) is used to prepare fiberglass insulation articles. The dimensions of each article are marked onto the top surface of the insulation covering film of the OrcotekTM Strip Blankets and then cut out. The cut edges are then sealed using OrcotapeTM OT-54W (a pressure sensitive, reinforced metallized polyvinyl fluoride tape, available from Orcon Corporation, Union City, California) to provide fiberglass insulation articles.
  • OrcotapeTM OT-54W a pressure sensitive, reinforced metallized polyvinyl fluoride tape, available from Orcon Corporation, Union City, California
  • Vacuum-based insulation articles are prepared by vacuum sealing a core of INSTILL foam (a micro-cellular, open-cell polystyrene foam available from Dow Chemical Company, Midland, Michigan) within a MylarTM SBL barrier film (a multilayer, polyester-based film having a metallized coating and heat sealable layers, available from Dupont Teijin FilmsTM, Hopewell, Virginia).
  • INSTILL foam a micro-cellular, open-cell polystyrene foam available from Dow Chemical Company, Midland, Michigan
  • MylarTM SBL barrier film a multilayer, polyester-based film having a metallized coating and heat sealable layers, available from Dupont Teijin FilmsTM, Hopewell, Virginia.
  • a vacuum chamber equipped with a thermal sealing means is employed for this purpose, with the vacuum being approximately 0.05 Torr.
  • a desiccant is incorporated into each individual article.
  • 3MTM ScotchmateTM Hook and Loop Reclosable Fasteners for example, 3MTM ScotchmateTM Reclosable Fastener SJ3530 (Hook) and 3MTM ScotchmateTM Reclosable Fastener SJ3531 (Loop), available from 3M Company, St. Paul, Minnesota
  • the hook or loop system is attached to the insulation articles by stitching or by using a pressure sensitive adhesive (PSA).
  • PSA pressure sensitive adhesive
  • the corresponding (or mating) loop or hook is attached to the vehicle using a PSA.
  • Natural rubber-based adhesives, synthetic rubber-based adhesives, and acrylic- based adhesives are used, including 3MTM Adhesive Transfer Tape 468MP (comprising an acrylic type of adhesive, available from 3M Company, St. Paul, Minnesota).
  • An area of a vehicle measuring 3 meters long by 1 meter wide is provided with insulation articles having a rectangular geometry.
  • the insulation articles are placed in an abutting arrangement, with no overlap and in a single layer.
  • the thickness of the insulation articles is selected to meet the performance requirements of a desired application.
  • the rectangular insulation articles are of three different sizes, measuring 1 meter long by 1 meter wide, 1 meter long by 0.5 meter wide, and 0.5 meter long by 0.5 meter wide.
  • the area is insulated by attaching 3, 6, or 12 insulation articles, respectively, to the area using attachment devices.
  • Combinations of insulation articles of the different sizes are used to insulate an adjacent area of the same dimensions (3 meters long by 1 meter wide).
  • Example 1 is repeated with the modification that the insulation articles are positioned in an overlapping configuration (that is, a "shingled” relationship analogous to the laying of roof shingles). Attachment devices are employed to attach the insulation articles to the vehicle to be insulated and/or to the other insulation articles.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Thermal Insulation (AREA)
  • Laminated Bodies (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Insulating Bodies (AREA)

Abstract

L'invention concerne un procédé d'isolation d'un véhicule, qui consiste à doter le véhicule (automobile, camion, train, bateau, navire ou aéronef, par exemple) d'un système isolant comprenant une pluralité d'articles isolants interchangeables, de taille et de forme sensiblement identiques.
PCT/US2005/023031 2004-07-01 2005-06-29 Procede d'isolation Ceased WO2006007502A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP05787522A EP1765640A1 (fr) 2004-07-01 2005-06-29 Procede d'isolation
CA002572460A CA2572460A1 (fr) 2004-07-01 2005-06-29 Procede d'isolation
JP2007519376A JP2008505005A (ja) 2004-07-01 2005-06-29 遮断方法
BRPI0512906-0A BRPI0512906A (pt) 2004-07-01 2005-06-29 processo de isolamento

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US58458404P 2004-07-01 2004-07-01
US60/584,584 2004-07-01

Publications (1)

Publication Number Publication Date
WO2006007502A1 true WO2006007502A1 (fr) 2006-01-19

Family

ID=35385697

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/023031 Ceased WO2006007502A1 (fr) 2004-07-01 2005-06-29 Procede d'isolation

Country Status (7)

Country Link
EP (1) EP1765640A1 (fr)
JP (1) JP2008505005A (fr)
KR (1) KR20070037633A (fr)
CN (1) CN1980816A (fr)
BR (1) BRPI0512906A (fr)
CA (1) CA2572460A1 (fr)
WO (1) WO2006007502A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008132171A3 (fr) * 2007-04-26 2009-01-15 Airbus Gmbh Élément structurel de fuselage d'avion
WO2012052484A1 (fr) * 2010-10-20 2012-04-26 Airbus Operations Gmbh Système d'isolation sans eau de condensation pour avion de passagers

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3077426A (en) * 1957-05-24 1963-02-12 Owens Corning Fiberglass Corp Acoustical panel
US5565254A (en) * 1993-06-25 1996-10-15 W. L. Gore & Associates, Inc. Cover for insulation and method of manufacture
WO1999019169A1 (fr) * 1997-10-14 1999-04-22 The Dow Chemical Company Composant sensible a la chaleur isole
US6358591B1 (en) * 1999-06-04 2002-03-19 Orcon Corporation Fire-blocking insulation blanket

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3077426A (en) * 1957-05-24 1963-02-12 Owens Corning Fiberglass Corp Acoustical panel
US5565254A (en) * 1993-06-25 1996-10-15 W. L. Gore & Associates, Inc. Cover for insulation and method of manufacture
WO1999019169A1 (fr) * 1997-10-14 1999-04-22 The Dow Chemical Company Composant sensible a la chaleur isole
US6358591B1 (en) * 1999-06-04 2002-03-19 Orcon Corporation Fire-blocking insulation blanket

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008132171A3 (fr) * 2007-04-26 2009-01-15 Airbus Gmbh Élément structurel de fuselage d'avion
US8905349B2 (en) 2007-04-26 2014-12-09 Airbus Operations Gmbh Structural element of an aircraft fuselage
CN101674978B (zh) * 2007-04-26 2015-04-29 空中客车运营有限公司 飞行器机身的结构元件
WO2012052484A1 (fr) * 2010-10-20 2012-04-26 Airbus Operations Gmbh Système d'isolation sans eau de condensation pour avion de passagers
CN103201168A (zh) * 2010-10-20 2013-07-10 空中客车德国运营有限责任公司 用于乘客飞行器的无冷凝水隔绝系统
US9193435B2 (en) 2010-10-20 2015-11-24 Airbus Operations Gmbh Condensation water-free insulation system for passenger aircraft

Also Published As

Publication number Publication date
BRPI0512906A (pt) 2008-04-15
EP1765640A1 (fr) 2007-03-28
KR20070037633A (ko) 2007-04-05
JP2008505005A (ja) 2008-02-21
CN1980816A (zh) 2007-06-13
CA2572460A1 (fr) 2006-01-19

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