JP2018064687A - Method for manufacturing seat trim cover - Google Patents

Method for manufacturing seat trim cover Download PDF

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JP2018064687A
JP2018064687A JP2016204167A JP2016204167A JP2018064687A JP 2018064687 A JP2018064687 A JP 2018064687A JP 2016204167 A JP2016204167 A JP 2016204167A JP 2016204167 A JP2016204167 A JP 2016204167A JP 2018064687 A JP2018064687 A JP 2018064687A
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pieces
pair
trim cover
manufacturing
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JP6745192B2 (en
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博 関野
Hiroshi Sekino
博 関野
隆彦 鈴木
Takahiko Suzuki
隆彦 鈴木
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Tachi S Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a method for manufacturing a seat trim cover that can easily improve the quality of appearance.SOLUTION: A trim cover 4 is formed by joining a plurality of pieces together. The plurality of pieces include a pair of symmetrical pieces 11, 12 arranged on opposite sides of a center plane S perpendicular to the seat width direction, and a connecting piece 13 joined to corresponding edges 11b, 12b of the pair of symmetrical pieces 11, 12. A method for manufacturing the trim cover includes the steps of: integrally cutting a pair of symmetrical pieces 11, 12 and one or more connecting pieces 14 to connect the pair of symmetrical pieces 11, 12 with each other, from a sheet of genuine leather fabric L3; joining the connecting piece 13 to corresponding edges 11b, 12b of each of the pair of symmetrical pieces 11, 12 that have been cut; and cutting away the connecting piece 14 connecting the pair of symmetrical pieces 11, 12 to which the connecting piece 13 have been joined together.SELECTED DRAWING: Figure 5

Description

本発明は、シートトリムカバーの製造方法に関する。   The present invention relates to a method for manufacturing a seat trim cover.

自動車等の車両に設置されるシートのトリムカバーは、典型的には複数のピースが接ぎ合わされて構成されている。複数のピースには、例えばシートクッションやシートバックのサイド部を覆う額縁など、シート幅方向に垂直な中心面を挟んで対をなす対称ピースが含まれる。   A seat trim cover installed in a vehicle such as an automobile is typically configured by joining a plurality of pieces together. The plurality of pieces include symmetrical pieces that are paired with a center plane perpendicular to the seat width direction, such as a frame covering a side portion of the seat cushion or the seat back.

また、シートの外観品質を向上させる観点から、一部のピースに装飾用のギャザーが形成される場合がある。例えば特許文献１に記載されたシートトリムカバーでは、シートバックのサイド部を覆う額縁に装飾用のギャザーが形成されている。   In addition, from the viewpoint of improving the appearance quality of the sheet, a decorative gather may be formed on some pieces. For example, in the seat trim cover described in Patent Document 1, a decorative gather is formed on the frame that covers the side portion of the seat back.

特開２０１２−８１０４４号公報JP 2012-81044 A

シートトリムカバーを構成する複数のピースの材料として本革が用いられる場合があるが、本革は、天然素材であるが故に、例えば風合いや剛軟度及び伸縮性といった物性にばらつきが生じ易い。物性のばらつきは、例えばギャザーが形成される場合に、ギャザーの寄りかたがピース間で不揃いとなる要因となる。額縁などの対称ピースにおいては、表面の風合いの相違、ギャザーの寄りかたの不揃いが強調されてしまい、シートの外観品質を損なう虞がある。   Genuine leather may be used as a material for a plurality of pieces constituting the seat trim cover. However, since genuine leather is a natural material, physical properties such as texture, bending resistance, and stretchability are likely to vary. For example, when the gathers are formed, the variation in the physical properties becomes a factor that the gathering is not uniform between pieces. In a symmetrical piece such as a frame, the difference in the texture of the surface and the unevenness of the gathering are emphasized, which may impair the appearance quality of the sheet.

本発明は、上述した事情に鑑みなされたものであり、簡便に外観品質を向上させることができるシートトリムカバーの製造方法を提供することを目的としている。   The present invention has been made in view of the above-described circumstances, and an object of the present invention is to provide a method of manufacturing a seat trim cover that can easily improve the appearance quality.

本発明の一態様のシートトリムカバーの製造方法は、複数のピースが接ぎ合わされてなるシートトリムカバーの製造方法であって、前記複数のピースは、シート幅方向に垂直な中心面を挟んで対をなす対称ピース、及び前記対称ピースそれぞれの互いに対応する縁部に接ぎ合わされる接続ピースを含み、一対の前記対称ピースと、当該一対の対称ピースを部分的に相互に接続する一つ以上の接続片とを、一枚の本革生地から一体に裁断するステップと、裁断された前記一対の対称ピースそれぞれの対応する縁部に前記接続ピースを接ぎ合せるステップと、前記接続ピースが接ぎ合わされた前記一対の対称ピースを相互に接続している前記接続片を切除するステップと、を備える。   A manufacturing method of a seat trim cover according to an aspect of the present invention is a manufacturing method of a seat trim cover in which a plurality of pieces are joined together, and the plurality of pieces are opposed to each other with a center plane perpendicular to the sheet width direction interposed therebetween. A pair of symmetrical pieces, and one or more connections that partially connect the pair of symmetrical pieces to each other. Cutting the piece integrally from one piece of genuine leather fabric, connecting the connecting piece to the corresponding edge of each of the pair of cut symmetrical pieces, and connecting the connecting piece Cutting the connecting piece connecting the pair of symmetrical pieces to each other.

本発明によれば、簡便に外観品質を向上させることができるシートトリムカバーの製造方法を提供することができる。   ADVANTAGE OF THE INVENTION According to this invention, the manufacturing method of the seat trim cover which can improve external appearance quality simply can be provided.

本発明の実施形態を説明するための、車両用シートのシートトリムカバーの一例の斜視図である。It is a perspective view of an example of a seat trim cover of a vehicular seat for explaining an embodiment of the present invention. 図１のシートトリムカバーの製造方法を説明する模式図である。It is a schematic diagram explaining the manufacturing method of the seat trim cover of FIG. 図１のシートトリムカバーの製造方法を説明する模式図である。It is a schematic diagram explaining the manufacturing method of the seat trim cover of FIG. 図１のシートトリムカバーの製造方法を説明する模式図である。It is a schematic diagram explaining the manufacturing method of the seat trim cover of FIG. 図１のシートトリムカバーの製造方法を説明する模式図である。It is a schematic diagram explaining the manufacturing method of the seat trim cover of FIG. 図１のシートトリムカバーの製造方法を説明する模式図である。It is a schematic diagram explaining the manufacturing method of the seat trim cover of FIG.

図１は、本発明の実施形態を説明するための、車両用シートのシートトリムカバーの一例を示す。   FIG. 1 shows an example of a seat trim cover for a vehicle seat, for explaining an embodiment of the present invention.

図１に示す車両用シート１は、シートクッション２と、シートバック３とを備える。シートクッション２は、フレームと、例えばウレタンフォームなどの発泡材からなりフレームに支持されたクッションパッドと、クッションパッドを覆うトリムカバー４とを有する。シートバック３も、シートクッション２と同様に構成され、フレームと、クッションパッドと、トリムカバー５とを有する。   A vehicle seat 1 shown in FIG. 1 includes a seat cushion 2 and a seat back 3. The seat cushion 2 includes a frame, a cushion pad made of a foam material such as urethane foam and supported by the frame, and a trim cover 4 that covers the cushion pad. The seat back 3 is also configured similarly to the seat cushion 2 and includes a frame, a cushion pad, and a trim cover 5.

トリムカバー４は、身頃ピース１０と、一対の額縁ピース１１，１２と、接続ピース１３とを含む複数のピースが接ぎ合わされてなる。トリムカバー５もまた、複数のピースが接ぎ合わされてなる。   The trim cover 4 is formed by joining a plurality of pieces including a body piece 10, a pair of frame pieces 11 and 12, and a connection piece 13. The trim cover 5 is also formed by joining a plurality of pieces.

身頃ピース１０は、シート幅方向におけるシートクッション２の座面の中央部を覆っている。一対の額縁ピース１１，１２は、身頃ピース１０の左右の縁部にそれぞれ接ぎ合わされており、シートクッション２の座面の左右のサイド部を覆っている。一対の額縁ピース１１，１２は、シート幅方向に垂直な中心面Ｓを挟んで略対称に形成されており、さらに本例では、身頃ピース１０に接ぎ合わされている一対の額縁ピース１１，１２それぞれの縁部１１ａ，１２ａに沿ってギャザーが形成されている。   The body piece 10 covers the center of the seat surface of the seat cushion 2 in the seat width direction. The pair of frame pieces 11, 12 are in contact with the left and right edge portions of the body piece 10, and cover the left and right side portions of the seat surface of the seat cushion 2. The pair of frame pieces 11 and 12 are formed substantially symmetrically with respect to the center plane S perpendicular to the sheet width direction, and in this example, the pair of frame pieces 11 and 12 that are in contact with the body piece 10 respectively. Gathers are formed along the edges 11a and 12a.

接続ピース１３は、身頃ピース１０の後端側の縁部に接ぎ合わされており、さらに、一対の額縁ピース１１，１２それぞれの後端側の縁部であって互いに対応する縁部１１ｂ，１２ｂに接ぎ合わされている。   The connection piece 13 is joined to the edge part on the rear end side of the body piece 10, and is further connected to the edge parts 11 b and 12 b which are the rear end side edges of the pair of frame pieces 11 and 12 and corresponding to each other. Have been joined together.

シートクッション２の座面を覆っている身頃ピース１０及び一対の額縁ピース１１，１２は、シートクッション２において乗員と接触する頻度が相対的に高く、またシートクッション２の外観の主要部位を構成しており、肌触りや外観品質を考慮して、本革を表地とする表皮材から形成されている。本革を表地とする表皮材は、本革の単層構造であってもよいし、本革の裏にワディング（例えば弾性変形可能な軟質ポリウレタンフォームなどの樹脂発泡体）が積層された多層構造であってもよい。   The body piece 10 and the pair of frame pieces 11 and 12 that cover the seating surface of the seat cushion 2 have a relatively high frequency of contact with the occupant in the seat cushion 2 and constitute the main part of the appearance of the seat cushion 2. In consideration of touch and appearance quality, it is made of a skin material with leather as the outer material. The skin material with leather as the outer surface may be a single-layer structure of genuine leather, or a multilayer structure in which wadding (for example, a resin foam such as elastic polyurethane resin that can be elastically deformed) is laminated on the back of the genuine leather. It may be.

なお、トリムカバー４を構成する他のピースもまた、身頃ピース１０及び一対の額縁ピース１１，１２と同様に本革を表地とする表皮材によって形成されているものとするが、身頃ピース１０及び一対の額縁ピース１１，１２を除く他の構成ピースは、合皮又は布帛（編物、織布、不織布等）を表地とする他の表皮材によって形成されていてもよい。   In addition, although the other piece which comprises the trim cover 4 shall also be formed by the skin material which uses leather as a surface material similarly to the body piece 10 and a pair of frame pieces 11 and 12, Other constituent pieces other than the pair of frame pieces 11 and 12 may be formed of other skin materials having a synthetic leather or a fabric (knitted fabric, woven fabric, nonwoven fabric, etc.) as a surface material.

以下に、トリムカバー４の製造方法を説明する。   Below, the manufacturing method of the trim cover 4 is demonstrated.

まず、図２に示すように、トリムカバー４を構成する複数のピースそれぞれの形状に基づいて、本革の原反Ｌが複数の本革生地Ｌｉ（ｉ＝１，２，３，・・・）にカットされる。各本革生地Ｌｉには互いに異なるピースが割り当てられ、各本革生地Ｌｉは、割り当てられるピースを裁断可能な大きさに形成される。なお、各本革生地Ｌｉは、図示の例ではいずれも矩形状に形成されているが、特に矩形状に限定されるものではない。   First, as shown in FIG. 2, based on the shape of each of the plurality of pieces constituting the trim cover 4, the original leather L is converted into a plurality of genuine leather fabrics Li (i = 1, 2, 3,... ). Different pieces are assigned to each genuine leather fabric Li, and each genuine leather fabric Li is formed in a size that allows the assigned pieces to be cut. Each genuine leather fabric Li is formed in a rectangular shape in the illustrated example, but is not particularly limited to a rectangular shape.

基本的に、一枚の本革生地Ｌｉには一つのピースが割り当てられるが、対称ピースについては、一枚の本革生地Ｌｉに一対の対称ピースが割り当てられる。図示の例では、本革生地Ｌ１に身頃ピース１０が割り当てられており、本革生地Ｌ２に接続ピース１３が割り当てられているのに対し、対称ピースである一対の額縁ピース１１，１２については、本革生地Ｌ３に一対の額縁ピース１１，１２が割り当てられている。   Basically, one piece is assigned to one genuine leather fabric Li, but a pair of symmetrical pieces is assigned to one genuine leather fabric Li. In the illustrated example, the body piece 10 is assigned to the genuine leather fabric L1, and the connection piece 13 is assigned to the genuine leather fabric L2, whereas the pair of frame pieces 11 and 12, which are symmetrical pieces, A pair of frame pieces 11, 12 are assigned to the genuine leather fabric L3.

そして、カットされた各本革生地Ｌｉから、各本革生地Ｌｉに割り当てられているピースが裁断される。   And the piece allocated to each genuine leather fabric Li is cut from each cut genuine leather fabric Li.

図３は、対称ピースである一対の額縁ピース１１，１２が割り当てられた本革生地Ｌ３を示している。一対の額縁ピース１１，１２は、これら一対の額縁ピース１１，１２を部分的に相互に接続する接続片１４を含み、一枚の本革生地Ｌ３から一体に裁断される。接続片１４は複数設けられていてもよいが、本例では一つとされている。   FIG. 3 shows a genuine leather fabric L3 to which a pair of frame pieces 11, 12 that are symmetrical pieces are assigned. The pair of frame pieces 11 and 12 include connection pieces 14 that partially connect the pair of frame pieces 11 and 12 to each other, and are integrally cut from a single genuine leather fabric L3. A plurality of connection pieces 14 may be provided, but in this example, only one connection piece 14 is provided.

一対の額縁ピース１１，１２は、それぞれの対応する縁部（ただし、接続ピース１３が接ぎ合わされる縁部１１ｂ，１２ｂを除く）が対向した状態に裁断されており、本例では、後工程にてギャザーが形成される縁部１１ａ，１２ａが対向した状態に裁断されている。   The pair of frame pieces 11 and 12 are cut in a state where their corresponding edge portions (except for the edge portions 11b and 12b to which the connection piece 13 is joined) are opposed to each other. The edges 11a and 12a where the gathers are formed are cut to face each other.

そして、接続片１４は対向して配置された縁部１１ａ，１２ａの間に設けられており、本例では、接続ピース１３（図１参照）が接ぎ合わされる縁部１１ｂ，１２ｂ側とは反対側に位置する縁部１１ａ，１２ａの前端部間に設けられている。本革生地Ｌ３から裁断された一対の額縁ピース１１，１２は、この接続片１４によって分離不能に相互に接続されている。   And the connection piece 14 is provided between the edge parts 11a and 12a arrange | positioned facing, and is opposite to the edge parts 11b and 12b side to which the connection piece 13 (refer FIG. 1) is joined in this example. It is provided between the front ends of the edges 11a, 12a located on the side. The pair of frame pieces 11, 12 cut from the genuine leather fabric L3 are connected to each other by the connection piece 14 so as not to be separated.

一枚の本革生地Ｌ３から裁断された一対の額縁ピース１１，１２は、互いに異なる本革生地から裁断されたものに比べて等質な風合いとなり、剛軟度及び伸縮性といった物性についても等質となる。   The pair of frame pieces 11 and 12 cut from one genuine leather fabric L3 have a uniform texture compared to those cut from different genuine leather fabrics, and have physical properties such as bending resistance and stretchability. It becomes quality.

次に、図４に示すように、一対の額縁ピース１１，１２それぞれの縁部１１ａ，１２ａにギャザーが順に形成される。上記のとおり、一対の額縁ピース１１，１２が一枚の本革生地Ｌ３から裁断されていることによって一対の額縁ピース１１，１２の物性が等質であることから、一対の額縁ピース１１，１２の間でギャザーの寄りかたを揃えることができる。   Next, as shown in FIG. 4, gathers are sequentially formed on the edge portions 11 a and 12 a of the pair of frame pieces 11 and 12. As described above, since the pair of frame pieces 11, 12 are cut from one genuine leather fabric L3, the pair of frame pieces 11, 12 have the same physical properties. You can align the gathering between the two.

特に本例では、ギャザーが形成される縁部１１ａ，１２ａが対向した状態に一対の額縁ピース１１，１２が裁断されており、これらの縁部１１ａ，１２ａが一枚の本革生地Ｌ３において近接した部位に置かれていることから、縁部１１ａ，１２ａの物性が一層等質となり、一対の額縁ピース１１，１２の間でギャザーの寄りかたをさらに揃えることができる。   In particular, in this example, the pair of frame pieces 11 and 12 are cut with the edges 11a and 12a where the gathers are formed facing each other, and these edges 11a and 12a are close to each other in a single genuine leather fabric L3. Therefore, the physical properties of the edge portions 11a and 12a become more uniform, and the gathering of the gathers between the pair of frame pieces 11 and 12 can be further aligned.

また、縁部１１ａ，１２ａはギャザーが形成されることによって長手方向に短縮されるが、縁部１１ａ，１２ａを相互に接続している接続片１４が一つであることから、縁部１１ａ，１２ａが相互に拘束されず、ギャザーが形成される順序にかかわらず、一対の額縁ピース１１，１２に等しくギャザーが形成される。これにより、一対の額縁ピース１１，１２の間でギャザーの寄りかたをさらに揃えることができる。   Further, the edges 11a and 12a are shortened in the longitudinal direction due to the formation of gathers. However, since there is one connecting piece 14 connecting the edges 11a and 12a to each other, the edges 11a and 12a Regardless of the order in which the gathers are formed, the gathers are equally formed on the pair of frame pieces 11 and 12. Thereby, the manner of gathering can be further aligned between the pair of frame pieces 11 and 12.

次に、図５に示すように、一対の額縁ピース１１，１２それぞれの縁部１１ｂ，１２ｂに、本革生地Ｌ２（図２参照）から裁断された接続ピース１３が接ぎ合わされる。なお、一対の額縁ピース１１，１２や接続ピース１３を形成している本革の裏にワディングが積層される場合には、一対の額縁ピース１１，１２と接続ピース１３とが接ぎ合わされる前工程にて各ピースを形成している本革にワディングが接合される。本革とワディングとは、例えば縁縫いなどの適宜な方法によって接合される。   Next, as shown in FIG. 5, the connection piece 13 cut from the genuine leather fabric L <b> 2 (see FIG. 2) is brought into contact with the edge portions 11 b and 12 b of the pair of frame pieces 11 and 12. In addition, when a wadding is laminated | stacked on the back of the genuine leather which forms a pair of frame pieces 11 and 12 and the connection piece 13, the process before a pair of frame pieces 11 and 12 and the connection piece 13 contact | connect The wadding is joined to the genuine leather forming each piece. Genuine leather and wadding are joined by an appropriate method such as edge stitching.

接続ピース１３が接ぎ合わされる縁部１１ｂ，１２ｂは、一対の額縁ピース１１，１２それぞれの縁部１１ａ，１２ａの後端側に配置されており、一方、一対の額縁ピース１１，１２を相互に接続している接続片１４は縁部１１ａ，１２ａの前端部間に設けられている。これにより、縁部１１ａ，１２ａの後端部側の間隔を広げることができ、縁部１１ａ，１２ａの後端部側に位置する縁部１１ｂ，１２ｂに接続ピース１３を接ぎ合せる縫製作業の作業性を高めることができる。   The edge portions 11b and 12b to which the connecting piece 13 is brought together are arranged on the rear end side of the edge portions 11a and 12a of the pair of frame pieces 11 and 12, respectively, while the pair of frame pieces 11 and 12 are mutually connected. The connected connecting piece 14 is provided between the front end portions of the edge portions 11a and 12a. Thereby, the space | interval of the rear end part side of the edge parts 11a and 12a can be expanded, and the operation | work of the sewing operation | work which joins the connection piece 13 to the edge parts 11b and 12b located in the rear end part side of the edge parts 11a and 12a Can increase the sex.

次に、図６に示すように、一対の額縁ピース１１，１２を相互に接続している接続片１４が切除される。接続片１４が切除された後も、一対の額縁ピース１１，１２は、縁部１１ｂ，１２ｂに接ぎ合わされている接続ピース１３によって、分離不能に相互に接続された状態に保たれる。   Next, as shown in FIG. 6, the connection piece 14 that connects the pair of frame pieces 11 and 12 to each other is cut off. Even after the connection piece 14 is cut off, the pair of frame pieces 11 and 12 are kept in a state of being connected to each other in a non-separable manner by the connection piece 13 that is in contact with the edge portions 11b and 12b.

この後、一対の額縁ピース１１，１２及び接続ピース１３と、身頃ピース１０等の他のピースとが接ぎ合わされ、トリムカバー４が製造される。   Thereafter, the pair of frame pieces 11 and 12 and the connection piece 13 are brought into contact with another piece such as the body piece 10 to manufacture the trim cover 4.

以上のトリムカバー４の製造方法によれば、一枚の本革生地Ｌ３から裁断された一対の額縁ピース１１，１２は、トリムカバー４の製造工程において一貫して、接続片１４又は接続ピース１３によって分離不能に相互に接続されている。これにより、例えば一対の額縁ピース１１，１２に識別番号を付与するといった追加の手間を要することなく、一対の額縁ピース１１，１２を簡便に且つ確実にマッチングさせておくことができる。   According to the manufacturing method of the trim cover 4 described above, the pair of frame pieces 11 and 12 cut from one genuine leather fabric L3 are consistently connected to the connecting piece 14 or the connecting piece 13 in the manufacturing process of the trim cover 4. Are inseparably connected to each other. Thereby, a pair of frame pieces 11 and 12 can be matched easily and reliably, for example, without requiring the additional effort of providing an identification number to a pair of frame pieces 11 and 12.

そして、対称ピースである一対の額縁ピース１１，１２が一枚の本革生地Ｌ３から裁断されていることによって、一対の額縁ピース１１，１２の風合いや剛軟度及び伸縮性といった物性が等質となる。これにより、トリムカバー４の外観品質を簡便に向上させることができる。   The pair of frame pieces 11, 12 that are symmetrical pieces are cut from one genuine leather fabric L3, so that the physical properties of the pair of frame pieces 11, 12 such as texture, bending resistance, and elasticity are uniform. It becomes. Thereby, the external appearance quality of the trim cover 4 can be improved easily.

特に、一対の額縁ピース１１，１２それぞれの縁部１１ａ，１２ａにギャザーが形成される本例のトリムカバー４においては、一対の額縁ピース１１，１２の物性が等質であることによって、一対の額縁ピース１１，１２の間でギャザーの寄りかたを揃えることができる。これにより、トリムカバー４の外観品質のさらなる向上を図ることができる。   In particular, in the trim cover 4 of the present example in which gathers are formed on the edge portions 11a and 12a of the pair of frame pieces 11 and 12, the physical properties of the pair of frame pieces 11 and 12 are uniform, The way of gathering can be aligned between the frame pieces 11 and 12. As a result, the appearance quality of the trim cover 4 can be further improved.

以上、シートクッション２のトリムカバー４を構成する一対の額縁ピース１１，１２を例にして本発明の実施形態を説明したが、対称ピースは一対の額縁ピース１１，１２に限られるものではない。例えば図１に示した車両用シート１において、トリムカバー４の一対の額縁ピース１１，１２のシート幅方向外側に隣設されるまちピース１５，１６もまた、シート幅方向に垂直な中心面Ｓを挟んで略対称に形成されており、これら一対のまちピース１５，１６についても、一枚の本革生地から接続片を含んで一体に裁断し、他の接続ピースと接ぎ合わされた後に接続片を切除するようにしてもよい。また、シートバック３のトリムカバー５を構成する一対の額縁ピース２１，２２、及び一対のまちピース２５，２６についても、同様に、一枚の本革生地から接続片を含んで一体に裁断し、他の接続ピースと接ぎ合わされた後に接続片を切除するようにしてもよい。   The embodiment of the present invention has been described above by taking the pair of frame pieces 11 and 12 constituting the trim cover 4 of the seat cushion 2 as an example, but the symmetrical piece is not limited to the pair of frame pieces 11 and 12. For example, in the vehicle seat 1 shown in FIG. 1, the town pieces 15, 16 adjacent to the outer side in the seat width direction of the pair of frame pieces 11, 12 of the trim cover 4 are also center planes S perpendicular to the seat width direction. The pair of town pieces 15 and 16 are also cut into one piece including a connection piece from one genuine leather fabric and joined to another connection piece after being connected to other connection pieces. May be excised. Similarly, the pair of frame pieces 21 and 22 and the pair of town pieces 25 and 26 constituting the trim cover 5 of the seat back 3 are cut together from a single genuine leather cloth including a connection piece. The connecting piece may be cut out after being joined with another connecting piece.

１ 車両用シート
２ シートクッション
３ シートバック
４ トリムカバー
５ トリムカバー
１０ 身頃ピース
１１ 額縁ピース
１１ａ 縁部
１１ｂ 縁部
１２ 額縁ピース
１２ａ 縁部
１２ｂ 縁部
１３ 接続ピース
１４ 接続片
Ｌ 原反
Ｌ１，Ｌ２，Ｌ３ 本革生地
Ｓ 中心面 DESCRIPTION OF SYMBOLS 1 Vehicle seat 2 Seat cushion 3 Seat back 4 Trim cover 5 Trim cover 10 Body piece 11 Frame piece 11a Edge part 11b Edge part 12 Frame piece 12a Edge part 12b Edge part 13 Connection piece 14 Connection piece L Original fabric L1, L2, L3 Genuine leather fabric S Center plane

Claims (5)

複数のピースが接ぎ合わされてなるシートトリムカバーの製造方法であって、
前記複数のピースは、シート幅方向に垂直な中心面を挟んで対をなす対称ピース、及び前記対称ピースそれぞれの対応する縁部に接ぎ合わされる接続ピースを含み、
一対の前記対称ピースと、当該一対の対称ピースを部分的に相互に接続する一つ以上の接続片とを、一枚の本革生地から一体に裁断するステップと、
裁断された前記一対の対称ピースそれぞれの対応する縁部に前記接続ピースを接ぎ合せるステップと、
前記接続ピースが接ぎ合わされた前記一対の対称ピースを相互に接続している前記接続片を切除するステップと、
を備えるシートトリムカバーの製造方法。 A method for manufacturing a seat trim cover in which a plurality of pieces are joined together,
The plurality of pieces include a symmetric piece paired across a center plane perpendicular to the sheet width direction, and a connecting piece that is joined to a corresponding edge of each of the symmetric pieces,
Cutting the pair of symmetrical pieces and one or more connecting pieces that partially connect the pair of symmetrical pieces to each other integrally from a single genuine leather fabric;
Joining the connecting piece to a corresponding edge of each of the pair of symmetric pieces cut;
Cutting away the connecting pieces that connect the pair of symmetrical pieces with the connecting pieces joined together;
A method for manufacturing a seat trim cover. 請求項１記載のシートトリムカバーの製造方法であって、
前記接続ピースが接ぎ合わされる前記縁部を除いた前記一対の対称ピースそれぞれの対応する縁部が対向して配置され、対向して配置された縁部が前記接続片によって相互に接続されるように、前記一対の対称ピース及び前記接続片を前記本革生地から一体に裁断するシートトリムカバーの製造方法。 A method for manufacturing a seat trim cover according to claim 1,
The corresponding edges of each of the pair of symmetrical pieces excluding the edge to which the connection pieces are joined are arranged to face each other, and the edges arranged to face each other are connected to each other by the connection pieces. A method for manufacturing a seat trim cover, in which the pair of symmetrical pieces and the connecting piece are integrally cut from the genuine leather fabric. 請求項２記載のシートトリムカバーの製造方法であって、
前記接続片は一つとするシートトリムカバーの製造方法。 A method of manufacturing a seat trim cover according to claim 2,
A method of manufacturing a seat trim cover in which the connection piece is one. 請求項３記載のシートトリムカバーの製造方法であって、
前記接続ピースが接ぎ合わされる前記縁部は、対向して配置される前記縁部の一端側に配置されており、
前記接続片を、対向して配置される前記縁部の他方の端部間に設けるシートトリムカバーの製造方法。 A method for manufacturing a seat trim cover according to claim 3,
The edge where the connection pieces are brought together is arranged on one end side of the edge arranged oppositely,
A method for manufacturing a seat trim cover, wherein the connection piece is provided between the other ends of the edge portions arranged to face each other. 請求項３又は４記載のトリムカバーの製造方法であって、
対向して配置される前記縁部に沿ってギャザーを形成するステップをさらに備えるシートトリムカバーの製造方法。 A method of manufacturing a trim cover according to claim 3 or 4,
A method for manufacturing a seat trim cover, further comprising the step of forming a gather along the edges arranged to face each other.
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