JPH0341992A - Production of cushion pad of sheet - Google Patents
Production of cushion pad of sheetInfo
- Publication number
- JPH0341992A JPH0341992A JP2168135A JP16813590A JPH0341992A JP H0341992 A JPH0341992 A JP H0341992A JP 2168135 A JP2168135 A JP 2168135A JP 16813590 A JP16813590 A JP 16813590A JP H0341992 A JPH0341992 A JP H0341992A
- Authority
- JP
- Japan
- Prior art keywords
- cushion member
- cushion
- felt layer
- molded
- synthetic resin
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 229920005989 resin Polymers 0.000 claims abstract description 29
- 239000011347 resin Substances 0.000 claims abstract description 29
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 29
- 239000000057 synthetic resin Substances 0.000 claims abstract description 29
- 238000005187 foaming Methods 0.000 claims abstract description 10
- 230000035699 permeability Effects 0.000 claims abstract description 8
- 239000006260 foam Substances 0.000 claims description 15
- 239000011550 stock solution Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 11
- 238000010097 foam moulding Methods 0.000 claims description 10
- 238000000465 moulding Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 239000012943 hotmelt Substances 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 235000008429 bread Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
- Laminated Bodies (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はシートのクッションパッドの製造方法に関し、
更に詳細に説明すると、自動車等のシート、または家具
等のシートに用いられ、表面側に形成された通気性を有
し、且つ第１のクッション性を有する第１のクッション
部材と、この第１のり・ノション部材の下面側に積層さ
れた発泡合成樹脂よりなる第２のクッション性を有する
第２のり・７シヨン部材とを備えたシートのクッション
性・ノドの製造方法に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a method for manufacturing a seat cushion pad,
More specifically, the first cushion member is used for a seat of an automobile or a seat of furniture, and has air permeability formed on the surface side and has a first cushioning property; The present invention relates to a method for producing a cushioning property/gutter for a seat, which includes a second glue/notion member having a second cushioning property made of a foamed synthetic resin laminated on the lower surface side of the glue/notion member.
従来より、シートのクッションパッドには単一の材質よ
りなるクッションパッドの他に、第１図に示す如く、ス
ラブウレタン等の合成樹脂材から形成された適宜の厚さ
の第１のクッション部材２と、この第１のクッション部
材２の下面側にホソトメルトシート４を介して積層され
た第２のクッション部材３とを備えたクッションバッド
１が存在し、座感及び表面感触の良好なりッションバソ
ド１を得るようになされている。Conventionally, seat cushion pads include, in addition to a cushion pad made of a single material, a first cushion member 2 of an appropriate thickness made of a synthetic resin material such as slab urethane, as shown in FIG. and a second cushion member 3 laminated on the lower surface side of the first cushion member 2 with a photomelt sheet 4 interposed therebetween. It is made to obtain.
〔発明が解決しようとする課題］
然し乍ら、従来の製造方法ではホットメルトシート４が
高価であり、製品コストアップの原因となると共に、こ
のホットメルトシート４にピンホール等が存在する場合
に、第１のクッション部材２に第２のクッション部材３
を成形するための発泡合成樹脂の原液がこのピンホール
より含浸し、部分的に硬度の異なるクッションバッド１
が成形され、この不良品が多数形成される虞れを有し、
またホットメルトシート４は含浸を防止する目的を有す
るため通気性を有さす、このためにシートの通気性を著
しく阻害することとなる。更に前記第１のクッション部
材２を裏返し状態で発泡成形型の下型に配置し、第２の
クッション部材３を成形するための発泡合成樹脂の原液
を第１のクッション部材２の裏面側に注入し所定の発泡
条件下で発泡成形する場合には、上型のベント孔より所
謂ウレタンパンと称される発泡合成樹脂のクズが発生し
、このウレタンパンの処理が煩雑で作業能率の向上が阻
害され、成形品の品質の均一なりッションバソド１が得
られない欠点を有していた。[Problems to be Solved by the Invention] However, in the conventional manufacturing method, the hot melt sheet 4 is expensive, which causes an increase in product cost. A second cushion member 3 is attached to the first cushion member 2.
The stock solution of foamed synthetic resin for molding is impregnated through this pinhole, and the cushion pad 1 has partially different hardness.
is molded, and there is a risk that many defective products will be formed.
In addition, the hot melt sheet 4 has air permeability because it has the purpose of preventing impregnation, and this significantly impairs the air permeability of the sheet. Further, the first cushion member 2 is placed upside down in the lower die of a foam mold, and a stock solution of foamed synthetic resin for molding the second cushion member 3 is injected into the back side of the first cushion member 2. However, when performing foam molding under specified foaming conditions, foamed synthetic resin debris called urethane bread is generated from the vent hole of the upper mold, and processing of this urethane bread is complicated and hinders improvement of work efficiency. However, it has the disadvantage that it is not possible to obtain a molded product with uniform quality.
本発明の目的は、座感及び表面感触が優れ、且つ高価な
ホントメルトシートを用いずに第１及び第２のクッショ
ン部材を接合することができ、第２のクッション部材を
成形する発泡合成樹脂の原液が発泡成形型のベント孔よ
り所謂ウレタンパンとして発生する虞れがなく、発泡合
成樹脂の原液を有効に使用することができると共に、ウ
レタンパンの処理作業を行う必要がなく、経済性に優れ
たシートのクッションバッドの製造方法を提供するもの
である。An object of the present invention is to provide a foamed synthetic resin for molding the second cushion member, which has excellent seating feel and surface feel, and which allows first and second cushion members to be joined without using an expensive real melt sheet. There is no risk that the undiluted solution will be generated as so-called urethane bread through the vent hole of the foam molding mold, and the undiluted solution of the foamed synthetic resin can be used effectively, and there is no need to process the urethane pan, making it more economical. To provide an excellent method for manufacturing a seat cushion pad.
本発明は上述せる課題に鑑みてなされたもので、通気性
を有し、且つ第１のクッション性を有する第１のクッシ
ョン部材を発泡成形型の上型に取付け、発泡合成樹脂の
原液を前記発泡成形型の下型に注入して第２のクッショ
ン性を有する第２のクッション部材を前記第１のクッシ
ョン部材と一体に成形するシートのクッションバッドの
製造方法において、前記第１のクッション部材を予め所
望形状に成形された通気性を有するレジンフェルト層に
接合し、該第１のクッション部材を所望形状に形状保持
させた状態で前記上型に取付け、次いで前記発泡成形型
の下型に発泡合成樹脂の原液を注入し、前記第２のクッ
ション部材を発泡成形する際に発生する発泡ガス及びエ
アを前記レジンフェルト層及び第１のクッション部材を
通過させて上型のベント孔より発泡成形型外に排出させ
、且つ前記発泡合成樹脂の原液が前記レジンフェルト層
に含浸可能な状態で前記第２のクッション部材を発泡成
形することを特徴とする。The present invention has been made in view of the above-mentioned problems, and a first cushion member having air permeability and a first cushioning property is attached to the upper mold of a foam mold, and an undiluted solution of foamed synthetic resin is poured into the foam mold. A method for manufacturing a cushion pad for a seat, in which a second cushion member having a second cushioning property is integrally formed with the first cushion member by injection into a lower die of a foam molding mold, wherein the first cushion member is The first cushion member is bonded to an air-permeable resin felt layer formed in advance into a desired shape, and attached to the upper mold while maintaining the first cushion member in the desired shape, and then foamed into the lower mold of the foam molding mold. The foaming gas and air generated when the synthetic resin stock solution is injected and the second cushion member is foam-molded is passed through the resin felt layer and the first cushion member to form the foam mold through the vent hole of the upper mold. The second cushion member is foam-molded in a state in which the foamed synthetic resin is discharged to the outside and the foamed synthetic resin stock solution can impregnate the resin felt layer.
本発明方法に依れば、通気性を有し、且つ第１のクッシ
ョン性を有する第１のクッション部材を予め所望形状に
成形された通気性を有するレジンフェルト層に接合し、
該第１のクッション部材を所望形状に形状保持させた状
態で発泡成形型の上型に取付け、次いで発泡成形型の下
型に発泡合成樹脂の原液を注入し、第２のクッション部
材を発泡成形するので、第２のクッション部材の発泡成
形の際に発生する発泡ガス及びエアを通気性を有するレ
ジンフェルト層及び通気性を有する第１のクッション部
材を通過させて上型のベント孔より発泡成形型外に排出
させることができ、また発泡合成樹脂の原液がレジンフ
ェルト層に含浸可能な状態で前記第２のクッション部材
を発泡成形することができ、第１及び第２のクッション
部材をレジンフェルト層を介して接合させることができ
るものである。According to the method of the present invention, a first cushion member that is breathable and has first cushioning properties is bonded to a resin felt layer that is breathable and has been formed into a desired shape in advance;
The first cushion member is held in a desired shape and is attached to the upper mold of a foam mold, and then a stock solution of foamed synthetic resin is poured into the lower mold of the foam mold, and the second cushion member is foam molded. Therefore, the foaming gas and air generated during foam molding of the second cushion member is passed through the breathable resin felt layer and the breathable first cushion member, and the foam molding is performed through the vent hole of the upper mold. The second cushion member can be foam-molded in a state where the resin felt layer can be impregnated with the stock solution of the foamed synthetic resin, and the first and second cushion members can be formed into a resin felt layer. They can be bonded through layers.
〔実施例〕
以下本発明に係るシートのクッションバッドの製造方法
を図面を参照して詳述する。[Example] Hereinafter, a method for manufacturing a seat cushion pad according to the present invention will be described in detail with reference to the drawings.
第２図乃至第４図には本発明方法を車両等のシートのク
ッションバッドの製造方法に適用した場合の一実施例の
概略が夫々示されており、第２図に示す如くクッション
バッド１１は合成樹脂材より成形された通気性を有し且
つ表面感触の良好な第１のクッション性を有する第１の
クッション部材Ｉ２と、この第１のクッション部材１２
の下面側に積層される発泡合成樹脂より発泡成形された
前記第１のクッション部材１２の第１のクッション性と
異なる第２のクッション性を有する第２のクッション部
材１３と、前記第１及び第２のクッション部材１２及び
１３間に位置するレジンフェルト層１５とから形成され
ている。前記レジンフェルト層１５と第２のクッション
部材１３は第２のクッション部材１３が発泡合成樹脂の
原液１３より発泡成形される際に一体成形されると共に
、この原液１３′がレジンフェルト層１５に含浸可能な
状態でクッションパッド１１が発泡成形される。2 to 4 schematically show an embodiment in which the method of the present invention is applied to a method for manufacturing a cushion pad for a seat of a vehicle, etc. As shown in FIG. A first cushion member I2 molded from a synthetic resin material and having first cushioning properties with air permeability and a good surface feel; and this first cushion member 12.
a second cushion member 13 having a second cushioning property different from the first cushioning property of the first cushioning member 12 which is laminated on the lower surface side of the foamed synthetic resin; The resin felt layer 15 is located between the two cushion members 12 and 13. The resin felt layer 15 and the second cushion member 13 are integrally molded when the second cushion member 13 is foam-molded from a foamed synthetic resin stock solution 13, and the resin felt layer 15 is impregnated with this stock solution 13'. The cushion pad 11 is foam-molded as possible.
前記第１のクッション部材１２は例えばスラブウレタン
フオーム等の厚さ５〜３（Ｉｎに形成されたシート状の
ものが用いられ、また、レジンフェルト層１５は粗毛等
の９ｉ繊維に熱硬化性繊維の半毛品等が混入されて形成
されている。このレジンフェルト層１５は板状のものよ
り第３図に示す如くプレス成形により所望の形状に予め
成形されたものが用いられる。The first cushion member 12 is a sheet-like member made of, for example, slab urethane foam with a thickness of 5 to 3 (In), and the resin felt layer 15 is made of 9i fibers such as coarse hair and thermosetting fibers. The resin felt layer 15 is formed by mixing a semi-wool product, etc. Rather than a plate-like resin felt layer 15, one pre-formed into a desired shape by press molding as shown in FIG. 3 is used.
このプレス成形されたレジンフェルト層１５に前記シー
ト状の第１のクッション部材１２を適宜の接合手段を介
して接合し、第４図に示す如く、発泡成形型２１の上型
２１ａにセットする。この第１のクッション部材１２は
プレス成形されたレジンフェルトＪｉｉ１５の弾力によ
り形状保持され、上型２１ａに密着状態で取付けられ、
下型２１ｂに発泡合成樹脂の原液１３′を注入し、上型
２１ａと下型２１ｂとを閉じて所定の発泡条件下で発泡
成形することにより前記レジンフェルトＮ１５の下面に
第２のクッション部材１３が接合された状態の第２図に
示す如きクッションパッド１１を得ることができる。The sheet-shaped first cushion member 12 is bonded to this press-molded resin felt layer 15 via a suitable bonding means, and then set in the upper mold 21a of the foam mold 21, as shown in FIG. This first cushion member 12 is held in shape by the elasticity of the press-molded resin felt Jii 15, and is attached to the upper die 21a in close contact with it.
A foamed synthetic resin stock solution 13' is injected into the lower mold 21b, the upper mold 21a and the lower mold 21b are closed, and foam molding is performed under predetermined foaming conditions, thereby forming a second cushion member 13 on the lower surface of the resin felt N15. It is possible to obtain a cushion pad 11 as shown in FIG. 2 in which the two are joined together.
発泡合成樹脂の原液１３′の発泡成形の際に発生する発
泡ガスや発泡成形型２１内のエアは通気性を有するレジ
ンフェルト層１５及び第１のクッション部材１２を通過
して上型２１ａに形成されたベント孔２２より外部に排
出され、第２のクッション部材１３にす、われ、ひけ等
を発生させる虞れがない。またレジンフェルト層１５に
発泡合成樹脂の原液１３′がある程度含浸して含浸層が
形成されるが第１のクッション部材１２まで含浸しない
ので表面感触を悪化させることがなく、反対にレジンフ
ェルトｊＷ１５の弾力性を強化させることとなり、特に
クッションパッド１１のサイド部等に形成された弯曲部
の含浸層はサイドサポート機能を増大し、サイドサポー
ト効果を増大させることができる。Foaming gas generated during foam molding of the foamed synthetic resin stock solution 13' and air in the foam mold 21 pass through the breathable resin felt layer 15 and the first cushion member 12 and are formed in the upper mold 21a. There is no possibility that the liquid will be discharged to the outside through the vent hole 22, causing cracks, sink marks, etc., on the second cushion member 13. In addition, although the resin felt layer 15 is impregnated to some extent with the foamed synthetic resin stock solution 13' to form an impregnated layer, the first cushion member 12 is not impregnated, so the surface feel is not deteriorated. This strengthens the elasticity, and in particular, the impregnated layer on the curved portions formed on the side portions of the cushion pad 11 can increase the side support function and increase the side support effect.
〔発明の効果〕
以上が本発明に係るシートのクッションパッドの製造方
法の一実施例の方法であるが、断る方法に依れば、予め
所望形状に成形された通気性を有するレジンフェルト層
の弾力を利用して第１のクッション部材を発泡成形型の
上型に形状保持させてセットし、次いで、第２のクッシ
ョン部材を発泡成形し、この第２のクッション部材の発
泡成形の際に前記レジンフェルト層が通気性を有するの
で発泡ガスやエア等をベント孔より容易に排出させるこ
とができると共にベント孔より発泡合成樹脂クズを発生
させることがなく、発泡合成樹脂の原液を有効に使用す
ることができ、発泡合成樹脂クズの処理作業を必要とせ
ず作業能率を向上させることができ、表面感触が良好で
サポート機能を増大させることができる経済性に優れた
シートのクッションパッドの製造方法を得ることができ
る。[Effects of the Invention] The above is an embodiment of the method for producing a seat cushion pad according to the present invention. The first cushion member is held in shape and set in the upper die of a foam mold using elasticity, and then the second cushion member is foam molded. Since the resin felt layer is breathable, foaming gas, air, etc. can be easily discharged from the vent hole, and foamed synthetic resin waste is not generated from the vent hole, making effective use of the foamed synthetic resin undiluted solution. We have developed an economical manufacturing method for seat cushion pads that can improve work efficiency without requiring processing of foamed synthetic resin waste, have a good surface feel, and increase support functions. Obtainable.
第１図は従来のクッションパッドを示す断面図、第２図
乃至第４図は本発明方法の一実施例を夫々示すもので、
第２図は本発明方法より製造された車両等のシートのシ
ートクッションの一実施例の概略を示す断面図、第３図
はレジンフェルト層をプレス成形した状態の断面図、第
４図は第２のクッション部材を発泡成形により成形する
状態を示す断面説明図である。
図中、１１・・・クッションパッド、１２・・・第１の
クッション部材、１３・・・第２のクッション部材、１
３′・・・発泡合成樹脂の原液、１５・・・レジンフェ
ルト層、
２
１・・・発泡成形型、
２・・・ベント孔。
特
許
出
願
人
池田物産株式会社FIG. 1 is a sectional view showing a conventional cushion pad, and FIGS. 2 to 4 each show an embodiment of the method of the present invention.
FIG. 2 is a cross-sectional view schematically showing an embodiment of a seat cushion for a vehicle seat manufactured by the method of the present invention, FIG. 3 is a cross-sectional view of a state in which a resin felt layer is press-molded, and FIG. FIG. 2 is an explanatory cross-sectional view showing a state in which the second cushion member is molded by foam molding. In the figure, 11... cushion pad, 12... first cushion member, 13... second cushion member, 1
3'... Stock solution of foamed synthetic resin, 15... Resin felt layer, 2 1... Foaming mold, 2... Vent hole. Patent applicant Ikeda Bussan Co., Ltd.
Claims (1)
第１のクッション部材を発泡成形型の上型に取付け、発
泡合成樹脂の原液を前記発泡成形型の下型に注入して第
２のクッション性を有する第２のクッション部材を前記
第１のクッション部材と一体に成形するシートのクッシ
ョンパッドの製造方法において、前記第１のクッション
部材を予め所望形状に成形された通気性を有するレジン
フェルト層に接合し、該第１のクッション部材を所望形
状に形状保持させた状態で前記上型に取付け、次いで前
記発泡成形型の下型に発泡合成樹脂の原液を注入し、前
記第２のクッション部材を発泡成形する際に発生する発
泡ガス及びエアを前記レジンフェルト層及び第１のクッ
ション部材を通過させて上型のベント孔より発泡成形型
外に排出させ、且つ前記発泡合成樹脂の原液が前記レジ
ンフェルト層に含浸可能な状態で前記第２のクッション
部材を発泡成形することを特徴とするシートのクッショ
ンパッドの製造方法。(1) A first cushion member that is breathable and has a first cushioning property is attached to the upper mold of a foam mold, and a stock solution of foamed synthetic resin is injected into the lower mold of the foam mold. In the manufacturing method of a seat cushion pad, the second cushion member having a cushioning property of No. 2 is integrally formed with the first cushion member, wherein the first cushion member has an air permeability formed in advance into a desired shape. The first cushion member is bonded to the resin felt layer and attached to the upper mold while maintaining the desired shape. Then, a stock solution of foamed synthetic resin is poured into the lower mold of the foam mold, and the second cushion member is bonded to the resin felt layer. The foaming gas and air generated during foam molding of the foamed synthetic resin are allowed to pass through the resin felt layer and the first cushioning member, and are discharged from the foaming mold through the vent hole of the upper mold. A method for manufacturing a seat cushion pad, characterized in that the second cushion member is foam-molded in a state where the resin felt layer can be impregnated with a stock solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2168135A JPH0341992A (en) | 1990-06-26 | 1990-06-26 | Production of cushion pad of sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2168135A JPH0341992A (en) | 1990-06-26 | 1990-06-26 | Production of cushion pad of sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0341992A true JPH0341992A (en) | 1991-02-22 |
| JPH0354595B2 JPH0354595B2 (en) | 1991-08-20 |
Family
ID=15862485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2168135A Granted JPH0341992A (en) | 1990-06-26 | 1990-06-26 | Production of cushion pad of sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0341992A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0970330A (en) * | 1995-09-07 | 1997-03-18 | Ikeda Bussan Co Ltd | Layered different hardness pad for vehicle seat |
| WO2003059803A1 (en) * | 2002-01-10 | 2003-07-24 | Namba Press Works Co., Ltd | Cushion body of seat cushion and method of manufacturing the cushion body |
| EP2845709A2 (en) | 2013-09-10 | 2015-03-11 | Delta Kogyo Co., Ltd. | Manufacturing method of integrated foam-molded product and integrated foam-molded product |
| JP2021049682A (en) * | 2019-09-24 | 2021-04-01 | トヨタ紡織株式会社 | Method for manufacturing interior material for vehicle |
-
1990
- 1990-06-26 JP JP2168135A patent/JPH0341992A/en active Granted
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0970330A (en) * | 1995-09-07 | 1997-03-18 | Ikeda Bussan Co Ltd | Layered different hardness pad for vehicle seat |
| WO2003059803A1 (en) * | 2002-01-10 | 2003-07-24 | Namba Press Works Co., Ltd | Cushion body of seat cushion and method of manufacturing the cushion body |
| US7056457B2 (en) | 2002-01-10 | 2006-06-06 | Yasumasa Senoo | Cushion body of seat cushion and method of manufacturing the cushion body |
| KR100918457B1 (en) * | 2002-01-10 | 2009-09-24 | 남바프레스고교 가부시키가이샤 | Cushion body of seat cushion and method of manufacturing the cushion body |
| EP2845709A2 (en) | 2013-09-10 | 2015-03-11 | Delta Kogyo Co., Ltd. | Manufacturing method of integrated foam-molded product and integrated foam-molded product |
| US10118323B2 (en) | 2013-09-10 | 2018-11-06 | Delta Kogyo Co. Ltd. | Manufacturing method of integrated foam-molded product |
| JP2021049682A (en) * | 2019-09-24 | 2021-04-01 | トヨタ紡織株式会社 | Method for manufacturing interior material for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0354595B2 (en) | 1991-08-20 |
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