JPH0318566B2 - - Google Patents
Info
- Publication number
- JPH0318566B2 JPH0318566B2 JP59007100A JP710084A JPH0318566B2 JP H0318566 B2 JPH0318566 B2 JP H0318566B2 JP 59007100 A JP59007100 A JP 59007100A JP 710084 A JP710084 A JP 710084A JP H0318566 B2 JPH0318566 B2 JP H0318566B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- skin material
- synthetic resin
- mold
- resin film
- 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.)
- Expired - Lifetime
Links
- 239000000463 material Substances 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000006260 foam Substances 0.000 claims description 7
- 229920003002 synthetic resin Polymers 0.000 claims description 7
- 239000000057 synthetic resin Substances 0.000 claims description 7
- 229920006186 water-soluble synthetic resin Polymers 0.000 claims description 7
- 239000012866 water-soluble synthetic resin Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000005187 foaming Methods 0.000 claims description 5
- 239000011550 stock solution Substances 0.000 claims description 4
- 229920001169 thermoplastic Polymers 0.000 claims description 4
- 239000004416 thermosoftening plastic Substances 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 238000007666 vacuum forming Methods 0.000 description 4
- 230000035699 permeability Effects 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、たとえば、椅子や自動車の座席ある
いは寝具のマツトに使用される、通気性表皮材で
被覆した発泡成形体の製造方法に関するものであ
る。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a method for producing a foam molded product coated with an air-permeable skin material, which is used, for example, for chairs, car seats, or bedding mats. be.
座席や寝具のクツシヨン材として使用されてい
る合成樹脂等の発泡成形体の表面を被覆するに
は、従来は、成形型内で、所定の形状に発泡成形
させたものを、別に裁断縫成した表皮材により被
覆するか、もしくは、合成樹脂シート等の表皮材
を、所定形状に真空成形した後、同じ成形型内に
おいて、発泡材を発泡させていた。
Conventionally, in order to cover the surface of foam molded products such as synthetic resins used as cushioning materials for seats and bedding, the foam was molded into a predetermined shape in a mold, then cut and sewn separately. After covering with a skin material or vacuum forming a skin material such as a synthetic resin sheet into a predetermined shape, a foaming material is foamed in the same mold.
しかし、前者の方法によると、表皮材の製造が
繁雑で、形状が複雑な場合、製造が困難で非実用
的である。また後者の方法では、複雑な形状のも
のも製造しうるが、表皮材に通気性がないため、
人体の発汗等により、表皮材との接触面に不快感
を生じることがある。 However, according to the former method, manufacturing of the skin material is complicated, and if the shape is complicated, manufacturing is difficult and impractical. The latter method can also produce products with complex shapes, but since the skin material is not breathable,
Sweating of the human body may cause discomfort on the contact surface with the skin material.
このような問題点を解決するため、後者の方法
を改良して、発泡成形体を、通気性を有する表皮
材で、成形時に一体に被覆する方法も提案されて
いる。 In order to solve these problems, a method has been proposed that improves the latter method and integrally covers the foamed molded product with a skin material having air permeability during molding.
たとえば、特公昭48−2068号公報、特公昭48−
12418号公報、特公昭48−37429号公報、特公昭55
−51729号公報に開示されている如くである。 For example, Special Publication No. 48-2068, Special Publication No. 48-2068,
Publication No. 12418, Special Publication No. 1983-37429, Special Publication No. 1983
This is as disclosed in Publication No.-51729.
しかし、これらの方法には、表面のみが通気性
で、全体として通気性が不十分であつたり、製造
が面倒であつたり、製造中に表皮材の通気孔の一
部が目詰まりして、通気性が損なわれる等の欠点
がある。 However, with these methods, only the surface is breathable and the overall breathability is insufficient, manufacturing is cumbersome, and some of the ventilation holes in the skin material become clogged during manufacturing. There are drawbacks such as poor air permeability.
本発明は、上述の従来方法の問題点を解決し
た、通気性表皮材をもつて被覆した発泡成形体の
製造方法を提供することを目的とするものであ
る。
SUMMARY OF THE INVENTION An object of the present invention is to provide a method for producing a foam molded article coated with an air-permeable skin material, which solves the problems of the conventional methods described above.
すなわち本発明は、通気性と伸縮性を有する布
地、もしくは通気性と熱可塑性を有する合成樹脂
フイルムよりなる表皮材に、熱可塑性を有する水
溶性合成樹脂フイルムを積層してなるシートを、
表皮材を外面として、成形型内において成形し、
ついで同型内において成形された表皮材内へ、発
泡合成樹脂の未発泡原液を注入して発泡させた
後、水または水蒸気をもつて、水溶性合成樹脂フ
イルムを溶解して除去することを特徴とするもの
である。 That is, the present invention provides a sheet made by laminating a thermoplastic water-soluble synthetic resin film on a skin material made of breathable and stretchable fabric or a breathable and thermoplastic synthetic resin film.
Molded in a mold with the skin material as the outer surface,
Next, an unfoamed stock solution of foamed synthetic resin is injected into the skin material molded in the same mold and foamed, and then water or steam is used to dissolve and remove the water-soluble synthetic resin film. It is something to do.
以下、本発明の方法により、椅子の座席を製造
する要領を、図面を参照して説明する。
Hereinafter, the method of manufacturing a chair seat using the method of the present invention will be explained with reference to the drawings.
第１図において、１は、所定形状に加工した真
空成形型、２は、図示を省略した真空源に連通す
る排気孔、３は押え枠である。 In FIG. 1, 1 is a vacuum forming die processed into a predetermined shape, 2 is an exhaust hole communicating with a vacuum source (not shown), and 3 is a presser frame.
真空成形型１と押え枠３の間に、通気性と高伸
縮性を有する布地のような表皮材４の上に、たと
えばポリビニールアルコールのような水溶性合成
樹脂フイルム５（以下水溶性フイルムという）を
積層したシート６を挾持する。 Between the vacuum mold 1 and the presser frame 3, a water-soluble synthetic resin film 5 such as polyvinyl alcohol (hereinafter referred to as water-soluble film) is placed on a skin material 4 such as a breathable and highly elastic fabric. ) is sandwiched between the sheets 6 laminated together.
ついで、シート６を加熱するとともに、排気孔
２より排気すれば、第２図に示すように、シート
６は、真空成形型１の内面に密接して成形され
る。 Then, by heating the sheet 6 and exhausting air through the exhaust hole 2, the sheet 6 is molded in close contact with the inner surface of the vacuum mold 1, as shown in FIG.
ついで、押え枠３を取り去り、第３図に示すよ
うに、真空成形型１内のシート６上に、発泡ポリ
ウレタンの未発泡原液７を、所定量注入し、上蓋
８をもつて、開口面を閉塞してから、発泡させ
る。 Next, the presser frame 3 is removed, and as shown in FIG. After occlusion, it is foamed.
しかる後、脱型すれば、第４図に示すように、
緊張状態のシート６をもつて被覆された、発泡成
形体９が得られる。 After that, if you remove the mold, as shown in Figure 4,
A foamed molded body 9 is obtained which is coated with a sheet 6 in tension.
このものを、水や温湯あるいは水蒸気に曝せ
ば、水溶性フイルム５は、表皮材４より溶出して
除去され、かつ表皮材４は収縮して、発泡成形体
９に密着する。 When this material is exposed to water, hot water, or steam, the water-soluble film 5 is eluted and removed from the skin material 4, and the skin material 4 contracts and adheres closely to the foamed molded product 9.
その後、第５図に示すように、表皮材４の周囲
を内方へ折り返して、発泡成形体９の裏面（第５
図上面）に座板１０を貼着すれば、座席１１を得
ることができる。 Thereafter, as shown in FIG. 5, the periphery of the skin material 4 is folded inward, and
The seat 11 can be obtained by attaching the seat plate 10 to the top surface of the figure.
本発明によると、未発泡原液が発泡し終わるま
では、表皮材の内面は、水溶性フイルムをもつて
覆われているので、発泡成形体の一部が、表皮材
の通気孔に侵入して、これを閉塞することはな
く、従つて、得られた座席の表皮材の通気性が損
われることはない。
According to the present invention, since the inner surface of the skin material is covered with a water-soluble film until the unfoamed stock solution finishes foaming, a portion of the foamed molded product may enter the ventilation holes of the skin material. , and therefore the air permeability of the resulting seat skin material is not impaired.
また、通気性表皮材をもつて被覆した発泡成形
体を、たとえ形状が複雑であつても、簡単に製造
することができ、椅子や自動車の座席の製造に適
用して甚だ便利である。 Furthermore, a foam molded article coated with an air-permeable skin material can be easily produced even if the shape is complex, and it is extremely convenient to apply it to the manufacture of chairs and automobile seats.
図面は、本発明方法を工程順に示す中央縦断正
面図で、第１図は、真空成形開始前の状態、第２
図は、真空成形終了後の状態、第３図は、ウレタ
ン発泡開始前の状態、第４図は、ウレタン発泡終
了して脱型した状態、第５図は、座席完成後の状
態を、それぞれ示す。
１……真空成形型、２……排気孔、３……押え
枠、４……表皮材、５……水溶性合成樹脂フイル
ム、６……シート、７……ポリウレタン未発泡原
液、８……上蓋、９……発泡成形体、１０……座
板、１１……座席。
The drawings are central longitudinal sectional front views showing the method of the present invention in the order of steps.
The figure shows the state after the completion of vacuum forming, Fig. 3 shows the state before the start of urethane foaming, Fig. 4 shows the state after the urethane foaming has finished and the mold has been removed, and Fig. 5 shows the state after the seat is completed. show. 1... Vacuum forming mold, 2... Exhaust hole, 3... Presser frame, 4... Skin material, 5... Water-soluble synthetic resin film, 6... Sheet, 7... Unfoamed polyurethane stock solution, 8... Top lid, 9... foam molded body, 10... seat plate, 11... seat.
Claims (1)
性と熱可塑性を有する合成樹脂フイルムよりなる
表皮材に、熱可塑性を有する水溶性合成樹脂フイ
ルムを積層してなるシートを、表皮材を外面とし
て、成形型内において成形し、ついで同型内にお
いて、成形された表皮材内へ、発泡合成樹脂の未
発泡原液を注入して発泡させた後、水または水蒸
気をもつて、水溶性合成樹脂フイルムを溶解して
除去することを特徴とする通気性表皮材をもつて
被覆した発泡成形体の製造方法。 ２ 発泡させた後、成形型内において、水または
水蒸気をもつて、水溶性合成樹脂フイルムを溶解
除去することを特徴とする特許請求の範囲第１項
に記載の方法。 ３ 発泡させたものを成形型より抜き出してか
ら、水または水蒸気をもつて、水溶性合成樹脂フ
イルムを溶解除去することを特徴とする特許請求
の範囲第１項に記載の方法。 ４ シートを、真空成形型内において真空成形す
ることを特徴とする特許請求の範囲第１項乃至第
３項のいずれかに記載の方法。[Scope of Claims] 1. A sheet made by laminating a thermoplastic water-soluble synthetic resin film on a skin material made of breathable and stretchable fabric or a breathable and thermoplastic synthetic resin film, It is molded in a mold with the skin material as the outer surface, and then, in the same mold, an unfoamed stock solution of foamed synthetic resin is injected into the molded skin material and foamed, and water or steam is added to the water-soluble resin. 1. A method for producing a foam molded article coated with an air-permeable skin material, the method comprising dissolving and removing a synthetic resin film. 2. The method according to claim 1, wherein after foaming, the water-soluble synthetic resin film is dissolved and removed using water or steam in a mold. 3. The method according to claim 1, characterized in that after the foamed product is extracted from the mold, the water-soluble synthetic resin film is dissolved and removed using water or steam. 4. The method according to any one of claims 1 to 3, characterized in that the sheet is vacuum formed in a vacuum mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59007100A JPS60151011A (en) | 1984-01-20 | 1984-01-20 | Manufacture of foamed molding unit coated with permeable skin member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59007100A JPS60151011A (en) | 1984-01-20 | 1984-01-20 | Manufacture of foamed molding unit coated with permeable skin member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60151011A JPS60151011A (en) | 1985-08-08 |
| JPH0318566B2 true JPH0318566B2 (en) | 1991-03-12 |
Family
ID=11656658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59007100A Granted JPS60151011A (en) | 1984-01-20 | 1984-01-20 | Manufacture of foamed molding unit coated with permeable skin member |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60151011A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6558391B2 (en) * | 2017-03-31 | 2019-08-14 | マツダ株式会社 | Functional laminate and manufacturing method thereof |
-
1984
- 1984-01-20 JP JP59007100A patent/JPS60151011A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60151011A (en) | 1985-08-08 |
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