JP2001340157A - Cushion seat made of resin and manufacturing method therefor - Google Patents
Cushion seat made of resin and manufacturing method thereforInfo
- Publication number
- JP2001340157A JP2001340157A JP2000163815A JP2000163815A JP2001340157A JP 2001340157 A JP2001340157 A JP 2001340157A JP 2000163815 A JP2000163815 A JP 2000163815A JP 2000163815 A JP2000163815 A JP 2000163815A JP 2001340157 A JP2001340157 A JP 2001340157A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- backrest
- cushion sheet
- resin cushion
- depression
- 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.)
- Pending
Links
Classifications
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/4242—Means for deforming the parison prior to the blowing operation
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/20—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements
- B29C2049/2017—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements outside the article
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、家庭用椅子、座椅
子、事務用椅子、車両用座席、公衆施設内や屋外用の椅
子やベンチなどを構成する樹脂製クッションシートに関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cushion seat made of resin constituting a chair for home use, a chair for office use, a chair for office use, a seat for vehicle, a chair or bench for public facilities or outdoors.
【０００２】[0002]
【従来の技術】従来、この種の樹脂製クッションシート
としては、特公平４−６９８６３号公報に記載されたも
のが知られている。この従来の樹脂製クッションシート
は、それぞれ別体の着座部と背もたれ部を連結して構成
されたものであり、背もたれ部と着座部はクッション性
をもたせた表皮シートで覆った構成を成している。2. Description of the Related Art Conventionally, as a resin cushion sheet of this kind, a cushion sheet described in Japanese Patent Publication No. 4-69663 is known. This conventional resin cushion seat is configured by connecting a separate seating portion and a backrest portion to each other, and the backrest portion and the seating portion are configured to be covered with a skin sheet having cushioning properties. I have.
【０００３】[0003]
【発明が解決しようとする課題】ところで、上記特公平
４−６９８６３号公報に記載されているような従来の樹
脂製クッションシートは、背もたれ部や着座部にクッシ
ョン性をもたせるために、発泡材を内装した表皮シート
材を貼着しているところから、構造が複雑であるうえ製
造工数が嵩み、簡易構造のもので間に合いまたはそのほ
うが好ましい用途の椅子、ベンチあるいは座席などとし
ては不向きである。The conventional resin cushion sheet described in Japanese Patent Publication No. 4-69663 discloses a foam material in order to provide cushioning to the backrest portion and the seating portion. Since the interior skin sheet material is stuck, the structure is complicated and the number of manufacturing steps is large, and it is not suitable as a chair, bench, seat or the like of a simple structure having a sufficient or more preferable use.
【０００４】そこで本発明は、着座部と背もたれ部を一
体状の中空二重壁構造とするとともに、背もたれ部にそ
の基礎面より着座部側に膨らむ膨出部を一体に形成し、
かつその膨出部の周囲に凹溝状の陥没部を形成すること
により、簡易構造であって、しかもクッション性にもす
ぐれた樹脂製クッションシートを提供することを目的と
するものである。In view of the above, the present invention provides a seating portion and a backrest portion having an integral hollow double-walled structure, and a swelling portion which swells from the base surface of the backrest portion toward the seating portion side.
Further, it is an object of the present invention to provide a resin cushion sheet having a simple structure and excellent cushioning properties by forming a concave groove-shaped depression portion around the bulging portion.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
本発明は、次の樹脂製クッションシートと、その製造方
法を提案する。すなわち、請求項１に係る樹脂製クッシ
ョンシートは、着座部と背もたれ部が一体状の中空二重
壁構造を成す樹脂製クッションシートであって、背もた
れ部は、その基礎面より着座部側に膨らむ一体に形成さ
れた膨出部を有し、かつその膨出部の周囲に凹溝状の陥
没部を形成して成ることを特徴とするものである。In order to achieve the above object, the present invention proposes the following resin cushion sheet and a method of manufacturing the same. That is, the resin cushion sheet according to claim 1 is a resin cushion sheet in which the seating portion and the backrest form an integral hollow double-walled structure, and the backrest swells from the base surface to the seating portion side. It has a bulging portion formed integrally, and is formed by forming a concave portion in the shape of a groove around the bulging portion.
【０００６】請求項２に係る樹脂製クッションシート
は、請求項１の構成において、背もたれ部の膨出部を囲
む陥没部は、基礎面に対して斜め下向きに形成されてい
ることを特徴とするものである。According to a second aspect of the present invention, in the resin cushion seat according to the first aspect, the recessed portion surrounding the bulging portion of the backrest portion is formed obliquely downward with respect to the base surface. Things.
【０００７】請求項３に係る樹脂製クッションシート
は、請求項１または２の構成において、背もたれ部の膨
出部は表皮シート材で覆われていて、その表皮シート材
の周端末を陥没部内で貼着されていることを特徴とする
ものである。According to a third aspect of the present invention, in the resin cushion sheet according to the first or second aspect, the bulging portion of the backrest portion is covered with a skin sheet material, and a peripheral end of the skin sheet material is set in the depressed portion. It is characterized by being stuck.
【０００８】請求項４に係る樹脂製クッションシートの
製造方法は、着座部と背もたれ部が一体状の中空二重壁
構造を成す樹脂製クッションシートをブロー成形する方
法であって、そのブロー成形金型として、着座部と着座
部に対して略直角状を成す背もたれ部を一体状の中空二
重壁構造体に形成するキャビティを有し、かつ背もたれ
部を形成するそのキャビティに膨出部を形成する窪み部
と、その周囲に凹溝状の陥没部を形成する突起部を有す
る一対の分割金型を用いることを特徴とするものであ
る。According to a fourth aspect of the present invention, there is provided a method of blow-molding a resin cushion sheet having a hollow double-walled structure in which a seating portion and a backrest are integrally formed. As a mold, it has a cavity in which a seat portion and a back portion substantially perpendicular to the seat portion are formed in an integral hollow double-walled structure, and a bulge portion is formed in the cavity forming the back portion. And a pair of split molds each having a concave portion to be formed and a protruding portion around which a concave portion is formed.
【０００９】請求項５に係る樹脂製クッションシートの
製造方法は、請求項４記載のブロー成形金型において、
窪み部にはシート材を突起部に跨って沿うように配置し
てブロー成形することを特徴とするものである。According to a fifth aspect of the present invention, there is provided a method of manufacturing a resin cushion sheet, comprising the steps of:
The sheet material is arranged in the depression so as to straddle the projection and blow-molded.
【００１０】[0010]
【発明の実施の形態】図１および図２は本発明に係る樹
脂製クッションシートの一実施の形態を示し、図１は破
断斜視図、図２は図１の一部を示す断面図、図３は本発
明に係る樹脂製クッションシートの他の実施の形態を示
す一部の断面図である。また、図４および図５は本発明
に係る樹脂製クッションシートをブロー成形により製造
する態様を示し、図４は分割金型を開いてパリソンを配
置する前の状態を示す断面図、図５は分割金型を閉じて
ブロー成形した状態を示す断面図である。1 and 2 show an embodiment of a resin cushion sheet according to the present invention. FIG. 1 is a cutaway perspective view, and FIG. 2 is a sectional view showing a part of FIG. 3 is a partial cross-sectional view showing another embodiment of the resin cushion sheet according to the present invention. 4 and 5 show an embodiment in which the resin cushion sheet according to the present invention is manufactured by blow molding, FIG. 4 is a cross-sectional view showing a state before a split mold is opened and a parison is arranged, and FIG. It is sectional drawing which shows the state which divided mold | die closed and blow-molded.
【００１１】図１および図２において、１は樹脂製クッ
ションシートである。この樹脂製クッションシート１
は、着座部２と背もたれ部３が一体状の中空二重壁構造
を成しており、着座部２に対して背もたれ部３は略直角
状に立ち上がっている。背もたれ部３は、その基礎面よ
り着座部２側に弧を描いて膨らんだ膨出面４を一体に成
しており、その膨出部４の周囲には凹溝状の陥没部５が
形成されている。背もたれ部３の膨出部４は、背もたれ
部３の略全面にわたり、その膨出部４を囲む陥没部５
は、基礎面に対して斜め下向きに形成されている。In FIGS. 1 and 2, reference numeral 1 denotes a resin cushion sheet. This resin cushion sheet 1
Has a hollow double-walled structure in which the seating portion 2 and the backrest portion 3 are integrated, and the backrest portion 3 stands up at a substantially right angle to the seating portion 2. The backrest 3 is integrally formed with a bulging surface 4 bulging in an arc from the base surface toward the seating portion 2, and a concave groove-shaped depression 5 is formed around the bulging portion 4. ing. The bulging portion 4 of the backrest 3 extends over substantially the entire surface of the backrest 3 and a depression 5 surrounding the bulging portion 4.
Are formed obliquely downward with respect to the base surface.
【００１２】本発明係る樹脂製クッションシート１は、
図３に示すように、背もたれ部３の膨出部４を表皮シー
ト材６で覆った構成とすることができる。そして、表皮
シート材６の周端末７は陥没部５内でその膨出部４側の
面に貼着されている。The resin cushion sheet 1 according to the present invention comprises:
As shown in FIG. 3, the swelling portion 4 of the backrest 3 may be covered with a skin sheet material 6. Further, the peripheral end 7 of the skin sheet material 6 is adhered to the surface on the side of the bulging portion 4 in the concave portion 5.
【００１３】本発明に係る樹脂製クッションシート１の
構成材料は、ブロー成形可能な熱可塑性樹脂であればよ
いが、ポリプロピレン樹脂、ポリアミド樹脂、ＡＢＳ樹
脂、ポリカーボネート樹脂などが好適である。また、表
皮シート材６は、ポリプロピレン、ポリエチレン、ポリ
エステル、ポリ塩化ビニルなどからなる合成樹脂シー
ト、綿、麻、羊毛、絹などの天然繊維、ビスコースレー
ヨン、動アンチモンレーヨンなどの再生繊維、またアセ
テート、レーヨンなどの半合成繊維、およびこれらのブ
レンド繊維、ならびにこれらを加工して得られた織物、
編物、不織布またはこれらを貼り合わせた複合シートで
構成されたものある。The constituent material of the resin cushion sheet 1 according to the present invention may be a thermoplastic resin which can be blow-molded, but a polypropylene resin, a polyamide resin, an ABS resin, a polycarbonate resin and the like are preferable. The skin sheet material 6 is made of a synthetic resin sheet made of polypropylene, polyethylene, polyester, polyvinyl chloride, etc., natural fibers such as cotton, hemp, wool, silk, etc., regenerated fibers such as viscose rayon and dynamic antimony rayon, and acetate. , Semi-synthetic fibers such as rayon, and blended fibers thereof, and woven fabrics obtained by processing them,
Some are composed of a knitted fabric, a nonwoven fabric, or a composite sheet obtained by laminating them.
【００１４】本発明に係る樹脂製クッションシート１に
よれば、着座部２と背もたれ部３を一体状の中空二重壁
構造としているので、着座部２と背もたれ部３にクッシ
ョン性として作用する中空部の容量が大きく、着座部２
と背もたれ部３ともにクッション性にすぐれている。そ
して、特に陥没部５を斜めに形成することにより、膨出
部４のクッション性をいっそう向上させることができ
る。According to the resin cushion sheet 1 of the present invention, since the seating portion 2 and the backrest portion 3 have an integral hollow double-walled structure, the hollow portion which acts as a cushioning function on the seating portion 2 and the backrest portion 3. Capacity is large and the seating part 2
And the backrest 3 both have excellent cushioning properties. In particular, by forming the depression 5 obliquely, the cushioning property of the bulging part 4 can be further improved.
【００１５】本発明に係る樹脂製クッションシート１
は、図４および図５に示すように、分割金型８，９を用
いてブロー成形により製造される。この分割金型８，９
は着座部２と着座部２に対して略直角状を成す背もたれ
部３を一体状の中空二重壁構造体に形成するキャビティ
１０，１１を有し、かつ背もたれ部４を形成するそのキ
ャビティ１１には、膨出部４を形成する窪み部１２と、
その周囲に凹溝状の陥没部５を形成する突起部１３を有
するものである。１４は押出ヘッド、１５はパリソンで
ある。なお、図４および図５は、図３に示す樹脂製クッ
ションシート１をブロー成形する態様であって、窪み部
１２にはシート材６を突起部１３に跨って沿うように配
置する。A resin cushion sheet 1 according to the present invention.
Is manufactured by blow molding using split molds 8 and 9 as shown in FIGS. This split mold 8, 9
Have cavities 10 and 11 for forming a seat portion 2 and a back portion 3 substantially at right angles to the seat portion 2 in an integral hollow double-walled structure, and a cavity 11 for forming a back portion 4. A concave portion 12 forming the bulging portion 4;
It has a protrusion 13 around which a concave groove-shaped depression 5 is formed. 14 is an extrusion head and 15 is a parison. 4 and 5 show an embodiment in which the resin cushion sheet 1 shown in FIG. 3 is blow-molded, and the sheet material 6 is arranged in the depression 12 so as to extend over the projection 13.
【００１６】図４に示すように、開いた分割金型８，９
間にパリソン１５を配置し、次いで図５に示すように、
分割金型８，９を閉じてパリソン１５内に圧力流体を導
入してブロー成形することにより、図３に示す樹脂製ク
ッションシート１がブロー成形される。As shown in FIG. 4, the opened split molds 8 and 9 are opened.
With parison 15 in between, then as shown in FIG.
By closing the split molds 8 and 9 and introducing a pressurized fluid into the parison 15 and performing blow molding, the resin cushion sheet 1 shown in FIG. 3 is blow molded.
【００１７】[0017]
【発明の効果】本発明によれば、着座部と背もたれ部を
一体状の中空二重壁構造とするとともに、背もたれ部に
その基礎面より着座部側に膨らむ膨部面を有し、かつそ
の膨出部の周囲に凹溝状の陥没部を形成することによ
り、簡易構造であって、しかもクッション性にもすぐれ
た樹脂製クッションシートを提供することができる。According to the present invention, the seating portion and the backrest portion have an integral hollow double-wall structure, and the backrest portion has a swelling portion surface swelling from the base surface to the seating portion side, and By forming the concave portion in the shape of a concave groove around the bulging portion, a resin cushion sheet having a simple structure and excellent cushioning properties can be provided.
【図１】本発明に係る樹脂製クッションシートの一実施
の形態を示す破断斜視図である。FIG. 1 is a cutaway perspective view showing one embodiment of a resin cushion sheet according to the present invention.
【図２】図１の一部を示す断面図である。FIG. 2 is a sectional view showing a part of FIG. 1;
【図３】本発明に係る樹脂製クッションシートの他の実
施の形態を示す一部の断面図である。FIG. 3 is a partial cross-sectional view showing another embodiment of the resin cushion sheet according to the present invention.
【図４】図３の樹脂製クッションシートをブロー成形に
より製造する態様を示す断面図である。FIG. 4 is a cross-sectional view showing an embodiment of manufacturing the resin cushion sheet of FIG. 3 by blow molding.
【図５】図４の状態から分割金型を閉じてブロー成形し
た状態を示す断面図である。FIG. 5 is a cross-sectional view showing a state in which the split mold is closed and blow molded from the state of FIG. 4;
１ 樹脂製クッションシート ２ 着座部 ３ 背もたれ部 ４ 膨出部 ５ 陥没部 ６ 表皮シート材 ７ 周端末 ８，９ 分割金型 １０，１１ キャビティ １２ 窪み部 １３ 突起部 １４ 押出ヘッド １５ パリソン DESCRIPTION OF SYMBOLS 1 Resin cushion sheet 2 Seating part 3 Backrest part 4 Swelling part 5 Depression part 6 Skin sheet material 7 Peripheral end 8,9 Split mold 10,11 Cavity 12 Depression part 13 Projection part 14 Extrusion head 15 Parison
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｂ２９Ｌ 31:58 Ｂ２９Ｌ 31:58 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) B29L 31:58 B29L 31:58
Claims (5)
壁構造を成す樹脂製クッションシートであって、背もた
れ部は、その基礎面より着座部側に膨らむ一体に形成さ
れた膨出部を有し、かつその膨出部の周囲に凹溝状の陥
没部を形成して成ることを特徴とする樹脂製クッション
シート。1. A resin cushion sheet in which a seating portion and a backrest portion form an integral hollow double-walled structure, wherein the backrest portion is an integrally formed bulging portion that swells from the base surface to the seating portion side. And a resin-made cushion sheet formed by forming a recessed portion in the shape of a groove around the bulging portion.
礎面に対して斜め下向きに形成されていることを特徴と
する請求項１記載の樹脂製クッションシート。2. The resin cushion seat according to claim 1, wherein the depression surrounding the bulge of the backrest is formed obliquely downward with respect to the base surface.
われていて、その表皮シート材の周端末を陥没部内で貼
着されていることを特徴とする請求項１または請求項２
に記載の樹脂製クッションシート。3. The swelling portion of the backrest portion is covered with a skin sheet material, and a peripheral end of the skin sheet material is adhered in the depression portion.
4. The resin cushion sheet according to 1.
壁構造を成す樹脂製クッションシートをブロー成形する
方法であって、そのブロー成形金型として、着座部と着
座部に対して略直角状を成す背もたれ部を一体状の中空
二重壁構造体に形成するキャビティを有し、かつ背もた
れ部を形成するそのキャビティに膨出部を形成する窪み
部と、その周囲に凹溝状の陥没部を形成する突起部を有
する一対の分割金型を用いることを特徴とする樹脂製ク
ッションシートの製造方法。4. A method for blow-molding a resin cushion sheet having a hollow double-walled structure in which a seating portion and a backrest portion are integral with each other. It has a cavity that forms a right-angled back portion in an integral hollow double-walled structure, and a dent portion that forms a bulging portion in the cavity that forms the back portion, and a groove-shaped portion around it. A method for manufacturing a resin cushion sheet, comprising using a pair of split molds having a projection forming a depression.
て、窪み部には表皮シート材を突起部に跨って沿うよう
に配置してブロー成形することを特徴とする樹脂製クッ
ションシートの製造方法。5. A method of manufacturing a resin cushion sheet according to claim 4, wherein the skin sheet material is arranged in the depression so as to extend along the projection and blow-molded. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000163815A JP2001340157A (en) | 2000-05-31 | 2000-05-31 | Cushion seat made of resin and manufacturing method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000163815A JP2001340157A (en) | 2000-05-31 | 2000-05-31 | Cushion seat made of resin and manufacturing method therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001340157A true JP2001340157A (en) | 2001-12-11 |
Family
ID=18667519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000163815A Pending JP2001340157A (en) | 2000-05-31 | 2000-05-31 | Cushion seat made of resin and manufacturing method therefor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001340157A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007038553A (en) * | 2005-08-04 | 2007-02-15 | Jsp Corp | Thermoplastic resin hollow foamed blow-molded product and its manufacturing method |
| JP2015089777A (en) * | 2013-11-07 | 2015-05-11 | 株式会社タチエス | Vehicle seat |
-
2000
- 2000-05-31 JP JP2000163815A patent/JP2001340157A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007038553A (en) * | 2005-08-04 | 2007-02-15 | Jsp Corp | Thermoplastic resin hollow foamed blow-molded product and its manufacturing method |
| JP2015089777A (en) * | 2013-11-07 | 2015-05-11 | 株式会社タチエス | Vehicle seat |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH10235720A (en) | Panel with skin and its manufacture | |
| CN100496940C (en) | Process for making integral elastic supports and support obtainable by said process | |
| JP4545581B2 (en) | Interior panel for vehicle and method for manufacturing the same | |
| US6505570B1 (en) | Method for forming a foamed product integral with trim cover assembly | |
| JP2001340157A (en) | Cushion seat made of resin and manufacturing method therefor | |
| JP2004231030A (en) | Interior parts for automobile manufacturing method thereof, and molding die for the same | |
| JP3565961B2 (en) | Manufacturing method and mold for manufacturing laminated molded products | |
| JP6936648B2 (en) | Vehicle seat pads and their manufacturing methods | |
| KR200416768Y1 (en) | frame for rear seat armrest of a car | |
| JPH10217320A (en) | Cloth-stuck hollow molding and manufacture thereof | |
| JP2004291647A (en) | Process for manufacturing automotive upholstered panel | |
| JP3811661B2 (en) | Panel with skin and method for manufacturing the same | |
| US20090315384A1 (en) | Chair and Chair Covering | |
| JPH08323849A (en) | Method and apparatus for producing cloth lined hollow molding | |
| JPH0138659B2 (en) | ||
| CN219845845U (en) | Cushion for sitting | |
| JPH0939078A (en) | Cloth lined hollow molded product | |
| JP2843616B2 (en) | Cushion product and manufacturing method thereof | |
| JPH0356330Y2 (en) | ||
| JP4625649B2 (en) | Air-conditioning outlet, instrument panel, and automobile interior material manufacturing method | |
| JP3806439B2 (en) | Manufacturing method of hollow molded product with skin | |
| JP2559421Y2 (en) | Outer skin of foam molding | |
| JP2002046169A (en) | Hollow molding skin and its production method | |
| JP2004262265A (en) | Skin material for vehicle and seat for vehicle | |
| JP3980080B2 (en) | Cushioned article and molding apparatus therefor |