WO2015079730A1 - 航空機の内装品用のシート材及びその製造方法 - Google Patents

航空機の内装品用のシート材及びその製造方法 Download PDF

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Publication number
WO2015079730A1
WO2015079730A1 PCT/JP2014/066376 JP2014066376W WO2015079730A1 WO 2015079730 A1 WO2015079730 A1 WO 2015079730A1 JP 2014066376 W JP2014066376 W JP 2014066376W WO 2015079730 A1 WO2015079730 A1 WO 2015079730A1
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Prior art keywords
retardant urethane
roll
flame
fbl
flame retardant
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PCT/JP2014/066376
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English (en)
French (fr)
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道人 鈴木
昭二 相澤
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株式会社ジャムコ
横浜フォームラバー株式会社
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Priority to EP14866548.2A priority Critical patent/EP3075649B1/en
Priority to US15/038,899 priority patent/US20170165951A1/en
Publication of WO2015079730A1 publication Critical patent/WO2015079730A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
    • B64D11/06—Arrangements of seats, or adaptations or details specially adapted for aircraft seats
    • B64D11/0647—Seats characterised by special upholstery or cushioning features
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/45—Joining of substantially the whole surface of the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/729—Textile or other fibrous material made from plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/731—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the intensive physical properties of the material of the parts to be joined
    • B29C66/7311—Thermal 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/02—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/04—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the partial melting of at least one 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/16—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating
    • B32B37/20—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of continuous webs only
    • B32B37/203—One or more of the layers being plastic
    • 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
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2675/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, for preformed parts, e.g. for inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0012—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular thermal properties
    • B29K2995/0016—Non-flammable or resistant to heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3076—Aircrafts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/771—Seats
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • 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
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • 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
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/02—Temperature
    • 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
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/04—Time
    • 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
    • B32B2375/00—Polyureas; Polyurethanes
    • 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
    • B32B2479/00—Furniture
    • 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
    • B32B2605/00—Vehicles
    • B32B2605/18—Aircraft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D45/00—Aircraft indicators or protectors not otherwise provided for
    • B64D2045/009—Fire detection or protection; Erosion protection, e.g. from airborne particles

Definitions

  • the present invention relates to a sheet material having fire resistance used on the surface of interior parts such as passenger seats of aircraft, and a method for manufacturing the same.
  • the cushion material on which passengers and passengers are seated is required to satisfy the fire resistance specified by FAA (Federal Aviation Administration) EASA (European Aviation Safety Agency).
  • This type of cushioning material is composed of a dress cover (skin material) and a cushion.
  • the cushion is formed by attaching a fireproof cloth called FBL (Fire Blocking Layer) to an elastic material such as urethane with an adhesive.
  • FBL Fire Blocking Layer
  • the dress cover is basically sewn in accordance with the shape of the cushion, and is fixed to the cushion with a simple fastener such as Velcro. However, pads and the like that do not require replacement of the dress cover may be fixed by bonding.
  • the objective of this invention is providing the sheet
  • the sheet material of the present invention comprises FBL (Fire Blocking Layer) welded to one surface of a flame retardant urethane material via a molten layer, and a flame retardant urethane material.
  • FBL Fire Blocking Layer
  • a dress cover (skin material) welded to the other surface through a molten layer is provided.
  • the thickness dimension of the molten layer welded to the FBL of the flame retardant urethane material is about 1.5 mm, and the thickness dimension of the molten layer welded to the dress cover of the flame retardant urethane material is about 1.5 mm.
  • the thickness dimension of the remaining flame-retardant urethane material is about 1.5 mm.
  • the manufacturing method of the sheet material of the present invention includes a step of preparing a roll of flame-retardant urethane material and a roll of FBL, Manufacturing the flame retardant urethane FBL roll by heating the surface facing the FBL roll of the flame retardant urethane material and melting the surface, and the melt surface of the flame retardant urethane material and the surface of the FBL roll surface by pressure welding
  • a step of pressure bonding the fusion surface of the flame-retardant urethane material and the back surface of the dress cover is a step of pressure bonding the fusion surface of the flame-retardant urethane material and the back surface of the dress cover.
  • the temperature for heating the surface of the flame-retardant urethane material is 800 ° C. to 900 ° C., and the heating time is 0.5 seconds to 1.5 seconds.
  • the sheet material for aircraft interior parts according to the present invention is provided with the above structure, so that a sheet material having a high aesthetic appearance can be obtained while satisfying fire resistance.
  • FIG. 1 is a perspective view of a passenger seat of an aircraft.
  • FIG. 2 is a perspective view of the upper inner pad.
  • FIG. 3 is a perspective view of the lower inner pad.
  • FIG. 4A is a sectional structural view of a sheet material.
  • FIG. 4B is a sectional view of the sheet material.
  • FIG. 4C is a sectional view of the sheet material.
  • FIG. 5 is an explanatory view showing the manufacturing process of the sheet material.
  • FIG. 6 is an explanatory view showing the manufacturing process of the sheet material.
  • FIG. 7 is an explanatory diagram of the heating process.
  • FIG. 1 shows the appearance of an aircraft passenger seat, and an upper inner pad 10, a lower inner pad 20, and the like are attached to the inside of the seat 1.
  • FIG. 2 shows the appearance of the upper inner pad 10, which is a curved product in which the sheet material 30 is attached to the surface of the cushion that matches the shape of the FRP molding material.
  • FIG. 3 shows the appearance of the lower inner pad 20, and the lower inner pad 20 is a curved product in which a sheet material 30 is attached to the surface of the cushion in accordance with the shape of the FRP molding material.
  • the sheet material 30 of the present invention has a cross-sectional structure in which an FBL (fireproof cloth) 32 and a dress cover (skin material) 34 are laminated on both surfaces of a flame-retardant urethane material 36.
  • FIG. 5 and 6 show the manufacturing process of the sheet material.
  • a flame-retardant urethane roll 100 and an FBL roll 110 are prepared, and the flame-resistant urethane roll 100 heating surface 100 a of the flame-retardant urethane roll 100 out of materials drawn from both rolls is heated by the burner 200.
  • the surface of the heat-resistant urethane is melted and passed between the pressing roll 210 and the base 220 together with the FBL, and both are welded to produce the flame-retardant urethane FBL roll 120.
  • the heating surface 100a is melted by applying a flame of about 800 ° C. to 900 ° C. with a burner 200 for about 0.5 to 1.0 seconds.
  • the flame retardant urethane FBL roll 120 is wound into a roll shape with the flame retardant urethane roll 100 on the front side and the FBL roll 110 on the back side.
  • a flame-retardant urethane FBL roll 120 and a dress cover roll 130 are prepared.
  • the dress cover roll is arranged so that the back surface 130b of the dress faces the flame retardant urethane roll 100.
  • the material drawn from the flame retardant urethane FBL roll 120 is melted by applying a flame of about 800 ° C. to 900 ° C. to the heating surface 100b of the flame retardant urethane roll 100 with a burner 200 for 0.5 to 1.0 seconds. Is melt-bonded together with the cover 130 between the pressing roll 210 and the base 220.
  • the completed sheet material 150 is manufactured in a long strip shape with the front surface 130a of the dress cover 130 and the FBL roll 110 as both surfaces. This is cut out to an appropriate size and used as the sheet material 30 shown in FIG.
  • flame retardant urethane 36 has a thickness dimension T 2 in the initial state, melts into FBL the molten layer 36a having a thickness T 1, it is welded.
  • the penetration dimension T 2 a is about 1.5 mm.
  • the dress cover 34 has a thickness dimension T 3 , but the molten layer 36 b of the flame-retardant urethane material 36 is melted into the dress cover 34.
  • the penetration dimension T 2 b is about 1.5 mm.
  • FIG. 7 is an explanatory view showing an outline of a burner used in the heating process.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Textile Engineering (AREA)
  • Thermal Sciences (AREA)
  • Laminated Bodies (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

　シート材（３０）は、難燃性ウレタン材（３６）の一方の表面（３６ａ）を溶融して溶着されるＦＢＬと、難燃性ウレタン材（３６）の他方の面（３６ｂ）を溶融して溶着されるドレスカバー（３４）により構成される。

Description

航空機の内装品用のシート材及びその製造方法
　本発明は、航空機の客席などの内装品の表面に使用される耐火性を備えたシート材及びその製造方法に関する。
　航空機の内装材に対しては、火災の発生による事故を防ぐために、従来から難燃性が強く求められ、多くの規制がある。例えば、航空機事故発生時において、機内火災が発生した際に、乗客の避難の時間及び避難経路を確保すべく、火災が広がらない様に自己消火性や、煙を抑える要求事項がある。
　この中で乗客や乗員が着座するクッション材は、ＦＡＡ（米国連邦航空局）ＥＡＳＡ（欧州航空安全機関）が規定する耐火性能を満足することが要求される。
　この種のクッション材は、ドレスカバー（表皮材）とクッションで構成されている。
　クッションは、ウレタンなどの弾力性を有する材料にＦＢＬ（Ｆｉｒｅ　Ｂｌｏｃｋｉｎｇ　Ｌａｙｅｒ）と称する耐火布を接着剤でとりつけることで作成される。
　ドレスカバーは、基本的に生地をクッションの形状に合わせ縫製し、ベルクロ等の簡易ファスナーでクッションに固定している。但し、ドレスカバーの交換を必要としない、パッド等に関しては、接着にて固着する場合もある。
日本国特開２００７－３３１２７７号公報 日本国特開２００５－１８６４９９号公報
　この種のドレスカバーは、乗客・乗員による使用頻度も高いために汚れも多く、ドライクリーニングなどの洗濯が必要となる。
　また、クッションとドレスカバー間には追従性が無いために表面にしわ等が発生しやすくなる。
　この汚れやしわ等は座席全体の美観を損ねる事につながるため、各エアラインが品質管理に気を使う箇所となっている。
　本発明の目的は、表皮材にしわ等が発生しにくい航空機内装品用のドレスカバーを加工したシート材（ドレスカバーとＦＢＬを組み合わせた材料）及びその製造方法を提供することである。
　上記目的を達成するために、本発明のシート材は、難燃性ウレタン材の一方の面に溶融層を介して溶着されるＦＢＬ（Ｆｉｒｅ　Ｂｌｏｃｋｉｎｇ　Ｌａｙｅｒ：耐火布）と、難燃性ウレタン材の他方の面に溶融層を介して溶着されるドレスカバー（表皮材）を備える。
　そして、難燃性ウレタン材のＦＢＬに溶着される溶融層の厚さ寸法は約１．５ｍｍであり、難燃性ウレタン材のドレスカバーに溶着される溶融層の厚さ寸法は約１．５ｍｍであり、残りの難燃性ウレタン材の厚さ寸法は約１．５ｍｍである。
　また、本発明のシート材の製造方法は、難燃性ウレタン材のロールとＦＢＬのロールを用意する工程と、
　難燃性ウレタン材のＦＢＬロールに対向する面を加熱して表面を溶融する工程と、難燃性ウレタン材の溶融面とＦＢＬロール面の表面を圧着溶着して難燃性ウレタンＦＢＬロールを製造する工程と、溶着された難燃性ウレタンＦＢＬロールとドレスカバーロールを用意する工程と、難燃性ウレタンＦＢＬロールのドレスカバーロールに対向する難燃性ウレタン材を加熱して表面を溶融する工程と、難燃性ウレタン材の溶融面とドレスカバーの裏面を圧着溶着する工程を備える。
　そして、難燃性ウレタン材の表面を加熱する温度は８００℃～９００℃であり、加熱時間は０．５秒～１．５秒である。
　本発明の航空機内装品用のシート材は以上の構造を備えることにより、耐火性を満足しつつ美観の高いシート材を得ることができる。
図１は航空機の客席の斜視図である。 図２は上部インナーパッドの斜視図である。 図３は下部インナーパッドの斜視図である。 図４Ａはシート材の断面構造図である。 図４Ｂはシート材の断面構造図である。 図４Ｃはシート材の断面構造図である。 図５はシート材の製造工程を示す説明図である。 図６はシート材の製造工程を示す説明図である。 図７は加熱工程の説明図である。
　図１は、航空機の乗客用の座席の外観を示し、座席１の内側には、上部インナーパッド１０、下部インナーパッド２０等が取り付けられる。
　図２は、上部インナーパッド１０の外観を示し、上部インナーパッド１０は、ＦＲＰの成形材の形状に合わせたクッションの表面にシート材３０を張り付けた曲面形状の製品である。
　図３は下部インナーパッド２０の外観を示し、下部インナーパッド２０は、ＦＲＰの成形材の形状に合わせたクッションの表面にシート材３０を張り付けた曲面形状の製品である。
　図４Ａから図４Ｃは、本発明の製造方法によりつくられたシート材３０の断面構造を示す。
　本発明のシート材３０は、難燃性のウレタン材３６の両面にＦＢＬ（耐火布）３２とドレスカバー（表皮材）３４を積層した断面構造を備える。
　図５、図６は、シート材の製造工程を示す。
　図５において、難燃性ウレタンロール１００と、ＦＢＬロール１１０を用意し、両ロールから引き出した材料のうちの難燃性ウレタンロール１００のＦＢＬ側の加熱面１００ａをバーナー２００で加熱して難燃性ウレタンの表面を溶融し、ＦＢＬとともに押圧ロール２１０と基台２２０の間を通過させて両者を溶着させて、難燃性ウレタンＦＢＬロール１２０を作製する。
　加熱面１００ａには、バーナー２００で約８００℃～９００℃の炎を０．５～１．０秒程度当てて表面を溶融する。
　難燃性ウレタンＦＢＬロール１２０は、難燃性ウレタンロール１００を表側に、ＦＢＬロール１１０を裏側にした状態でロール状に巻き取られる。
　次に、図６に示すように難燃性ウレタンＦＢＬロール１２０とドレスカバーロール１３０を用意する。ドレスカバーロールは、ドレスの裏面１３０ｂが難燃性ウレタンロール１００に対向するように配置される。
　難燃性ウレタンＦＢＬロール１２０から引き出された材料は、難燃性ウレタンロール１００の加熱面１００ｂにバーナー２００により約８００℃～９００℃の炎を０．５～１．０秒当てて溶かし、ドレスがカバー１３０とともに押圧ロール２１０と基台２２０の間を通して、溶融圧着する。
　完成したシート材１５０は、ドレスカバー１３０の表面１３０ａとＦＢＬロール１１０を両面として長尺の帯状に製造される。
　これを適宜の寸法に切り出して図４に示すシート材３０として使用する。
　難燃性ウレタン３６は初期状態で厚さ寸法Ｔ２を有するが、溶融層３６ａが厚さ寸法Ｔ１をもつＦＢＬに溶け込み、溶着される。溶け込み寸法Ｔ２ａは１．５ｍｍ程度である。
　また、ドレスカバー３４は厚さ寸法Ｔ３を有するが、難燃性ウレタン材３６の溶融層３６ｂがドレスカバー３４に溶け込む。
　溶け込み寸法Ｔ２ｂは１．５ｍｍ程度である。
　この結果、残りの難燃性ウレタンの厚さ寸法Ｔ２ｃは１．５ｍｍ程度となる。
　図７は、加熱工程に使用されるバーナーの概要を示す説明図である。
　本発明は以上のように、ドレスカバー表面の美観を維持できる耐久性の高い航空機の内装品用のシート材を得ることができる。
　１　航空機の客席
　１０　上部インナーパッド
　２０　下部インナーパッド
　３０　シート材
　３２　ＦＢＬ
　３４　ドレスカバー
　３６　難燃性ウレタン材
　１００　難燃性ウレタンロール
　１１０　ＦＢＬロール
　１２０　難燃性ウレタンＦＢＬロール
　１３０　ドレスカバーロール
　２００　バーナー
　２１０　プレスローラー
　２２０　基台

Claims (4)

  1. 　難燃性ウレタン材と、難燃性ウレタン材の一方の面に溶融層を介して溶着されるＦＢＬ（Ｆｉｒｅ　Ｂｌｏｃｋｉｎｇ　Ｌａｙｅｒ：耐火布）と、難燃性ウレタン材の他方の面に溶融層を介して溶着されるドレスカバー（表皮材）とを備える航空機の内装品用シート材。
  2. 　難燃性ウレタン材のＦＢＬに溶着される溶融層の厚さ寸法は約１．５ｍｍであり、難燃性ウレタン材のドレスカバーに溶着される溶融層の厚さ寸法は約１．５ｍｍであり、溶融されない難燃性ウレタン材の厚さ寸法は約１．５ｍｍである請求項１記載の航空機の内装品用シート材。
  3. 　難燃性ウレタン材のロールとＦＢＬのロールを用意する工程と、
    　難燃性ウレタン材のＦＢＬロールに対向する面を加熱して表面を溶融する工程と、
    　難燃性ウレタン材の溶融面とＦＢＬロール面の表面を圧着溶着して難燃性ウレタンＦＢＬロールを製造する工程と、
    　溶着された難燃性ウレタンＦＢＬロールとドレスカバーロールを用意する工程と、
    　難燃性ウレタンＦＢＬロールのドレスカバーロールに対向する難燃性ウレタン材を加熱して表面を溶融する工程と、
    　難燃性ウレタン材の溶融面とドレスカバーの裏面を圧着溶着する工程と、
    　を備える航空機の内装品用シート材の製造方法。
  4. 　難燃性ウレタン材の表面を加熱する温度は８００℃～９００℃であり、加熱時間は０．５秒～１．５秒である請求項３記載の航空機の内装品用シートの製造方法。
PCT/JP2014/066376 2013-11-27 2014-06-20 航空機の内装品用のシート材及びその製造方法 WO2015079730A1 (ja)

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