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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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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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 US15/038,899 priority Critical patent/US20170165951A1/en
Priority to EP14866548.2A priority patent/EP3075649B1/en
Publication of WO2015079730A1 publication Critical patent/WO2015079730A1/ja

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D11/00Passenger or crew accommodation; Flight-deck installations not otherwise provided for
    • B64D11/06Arrangements of seats, or adaptations or details specially adapted for aircraft seats
    • B64D11/0647Seats characterised by special upholstery or cushioning features
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/40Layered products comprising a layer of synthetic resin comprising polyurethanes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/40General 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
    • B29C66/41Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/45Joining of substantially the whole surface of the articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General 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
    • B29C66/71General 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General 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
    • B29C66/72General 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
    • B29C66/729Textile or other fibrous material made from plastics
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General 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
    • B29C66/73General 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
    • B29C66/731General 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
    • B29C66/7311Thermal properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/12Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/02Methods 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/04Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the partial melting of at least one layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10Methods 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/16Methods 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
    • B32B37/20Methods 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
    • B32B37/203One or more of the layers being plastic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered 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
    • B32B5/02Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2675/00Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, for preformed parts, e.g. for inserts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2995/00Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0012Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular thermal properties
    • B29K2995/0016Non-flammable or resistant to heat
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/30Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3076Aircrafts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/771Seats
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00Layers arrangement
    • B32B2250/033 layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/30Properties of the layers or laminate having particular thermal properties
    • B32B2307/306Resistant to heat
    • B32B2307/3065Flame resistant or retardant, fire resistant or retardant
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/02Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/04Time
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2375/00Polyureas; Polyurethanes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2479/00Furniture
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00Vehicles
    • B32B2605/18Aircraft
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D45/00Aircraft indicators or protectors not otherwise provided for
    • B64D2045/009Fire 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Tを有するが、溶融層36aが厚さ寸法TをもつFBLに溶け込み、溶着される。溶け込み寸法Taは1.5mm程度である。
 また、ドレスカバー34は厚さ寸法T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Tb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Tc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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