JPH11254464A - Method for fitting fastening member to integrally foamed molded article and fastening member-integrally foamed molded article - Google Patents
Method for fitting fastening member to integrally foamed molded article and fastening member-integrally foamed molded articleInfo
- Publication number
- JPH11254464A JPH11254464A JP10080191A JP8019198A JPH11254464A JP H11254464 A JPH11254464 A JP H11254464A JP 10080191 A JP10080191 A JP 10080191A JP 8019198 A JP8019198 A JP 8019198A JP H11254464 A JPH11254464 A JP H11254464A
- Authority
- JP
- Japan
- Prior art keywords
- fastening member
- fastening
- molded article
- permanent magnet
- molding
- 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
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は車両のシートパッド
等の発泡成形品に面ファスナー等のファスニング部材を
一体成形するファスニング部材の一体発泡成形品への取
付方法およびファスニング部材一体発泡成形品に関する
ものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of mounting a fastening member such as a hook-and-loop fastener integrally with a foam molded product such as a vehicle seat pad and the like, and a method of attaching the fastening member to the integrated foam molded product and a foam molded product integrally formed with the fastening member. It is.
【０００２】[0002]
【従来の技術】各種車両のシートやドアの内装品等には
一般に発泡ウレタンに布等の表皮材を組み付けたクッシ
ョン材が用いられている。この発泡ウレタンと表皮材
は、ウレタンに固定された面ファスナー等のファスニン
グ部材によって着脱自在に組み付けられている場合があ
る。2. Description of the Related Art In general, cushioning materials in which a skin material such as cloth is assembled with urethane foam are used for interior parts of seats and doors of various vehicles. In some cases, the urethane foam and the skin material are detachably assembled by a fastening member such as a hook-and-loop fastener fixed to the urethane.
【０００３】ウレタンの表面に上記ファスニング部材を
安定よくかつ効率的に配設するためには、ウレタンとフ
ァスニング材との一体成形が従来より行なわれている。
この場合、現在では、液体発泡原料がファスニング部材
のファスニング面に浸入して付着することがないよう
に、例えば上記ファスニング面を箱状のガイド部材で覆
ってから成形型に液体発泡原料を流し込むようにしてい
る。[0003] In order to stably and efficiently dispose the fastening member on the surface of urethane, integral molding of urethane and a fastening material has been conventionally performed.
In this case, at present, for example, the liquid foaming raw material is poured into a molding die after covering the fastening surface with a box-shaped guide member so that the liquid foaming raw material does not penetrate and adhere to the fastening surface of the fastening member. I have to.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記従
来の方法では、上記箱状のガイド部材に対するファスニ
ング部材の取付工程が問題であり、ガイド部材の内寸に
対しファスニング部材の外寸が小さいとファスニング面
に前記発泡液の浸入があり、逆にファスニング部材の外
寸が大きいとガイド部材との嵌合力が強くなりすぎて脱
型時にウレタンが破れたりするという不都合が生じる。
また、上記ガイド部材に上記の如くファスニング部材を
固定する作業も煩雑であり、工程に時間がかかるという
問題もある。However, in the above-mentioned conventional method, there is a problem in the step of attaching the fastening member to the box-shaped guide member, and if the outer size of the fastening member is smaller than the inner size of the guide member, the fastening is performed. On the other hand, if the foaming liquid is infiltrated into the surface, and the outer dimension of the fastening member is large, the fitting force with the guide member becomes too strong, and the urethane may be broken at the time of demolding.
In addition, the work of fixing the fastening member to the guide member as described above is also complicated, and there is a problem that the process takes time.
【０００５】本発明は叙上の如き実状に対処し、上記フ
ァスニング部材を磁力によって金型内で保持することに
より、ウレタン等の一体発泡成形品への取付を簡便かつ
確実に行なわしめることを目的とするものでるある。SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has an object to easily and reliably mount a fastening member to an integral foam molded article such as urethane by holding the fastening member in a mold by magnetic force. It is to be.
【０００６】[0006]
【課題を解決するための手段】すなわち、上記目的に適
合する本発明のファスニング部材の成形品への取付方法
は、上記の如く面ファスナー等のファスニング部材を発
泡成形品に一体成形により取付ける方法において、上記
ファスニング部材のファスニング面を発泡液の浸入を防
止する被覆材にて被覆して剥離可能に一体化せしめ、こ
の被覆材またはファスニング部材の少くとも一方を磁性
体の粉末を混入した素材にて形成すると共に、成形金型
のファスニング部材設置面に永久磁石を埋設し、この永
久磁石により上記ファスニング部材を上記ファスニング
部材設置面に磁力固定して上記成形品の一体発泡成形を
行なうことを特徴とする。That is, a method of attaching a fastening member of the present invention to a molded article which meets the above object is a method of attaching a fastening member such as a hook-and-loop fastener to a foam molded article by integral molding as described above. The fastening surface of the fastening member is covered with a covering material for preventing the intrusion of the foaming liquid, and is integrated so as to be peelable, and at least one of the covering material and the fastening member is made of a material mixed with a magnetic powder. Forming and embedding a permanent magnet in the fastening member installation surface of a molding die, and magnetically fixing the fastening member to the fastening member installation surface with the permanent magnet to perform integral foam molding of the molded product. I do.
【０００７】そして、もう１つの本発明のファスニング
部材の成形品への取付方法は、上記の如く面ファスナー
等のファスニング部材を発泡成形品に一体成形により取
付ける方法において、上記ファスニング部材を磁性体の
粉末を混合した素材にて形成すると共に、成形金型のフ
ァスニング部材設置面に永久磁石を埋設し、この永久磁
石により上記ファスニング部材を上記ファスニング部材
設置面に磁力固定して上記成形品の一体発泡成形を行う
ことを特徴とする。Another method of attaching a fastening member to a molded article according to the present invention is a method of attaching a fastening member such as a hook-and-loop fastener to a foam molded article by integral molding as described above. In addition to being formed from a material mixed with powder, a permanent magnet is buried in the fastening member installation surface of the molding die, and the fastening member is magnetically fixed to the fastening member installation surface by the permanent magnet to integrally form the molded product. It is characterized by performing molding.
【０００８】また、上記本発明の各取付方法において、
上記永久磁石を棒状として上記ファスニング部材設置面
に端面をそろえてファスニング部材の長手方向に複数埋
設することも可能である。さらに、上記永久磁石を円柱
状として、その直径がファスニング部材の幅以上とする
ことも可能である。In each of the mounting methods of the present invention,
It is also possible to make the permanent magnet into a bar shape and to embed a plurality of permanent magnets in the longitudinal direction of the fastening member with the end faces aligned with the fastening member installation surface. Further, the permanent magnet may be formed in a cylindrical shape, and the diameter thereof may be equal to or larger than the width of the fastening member.
【０００９】一方、上記本発明請求項１の取付方法によ
って製造された一体発泡成形品は、上記ファスニング部
材のファスニング面を発泡液の浸入を防止する被覆材に
て被覆して剥離可能に一体化せしめ、この被覆材または
ファスニング部材の少くとも一方を磁性体の粉末を混入
した素材にて形成したことを特徴とする。また、請求項
２の取付方法によって製造された一体発泡成形品は、上
記ファスニング部材を磁性体を混入した素材にて形成し
たことを特徴とする。On the other hand, the integrated foam molded article manufactured by the mounting method according to the first aspect of the present invention is formed such that the fastening surface of the fastening member is covered with a coating material for preventing infiltration of a foaming liquid, and is integrated so as to be peelable. At least one of the coating material and the fastening member is formed of a material mixed with magnetic powder. The integrated foam molded article manufactured by the mounting method according to claim 2 is characterized in that the fastening member is formed of a material mixed with a magnetic material.
【００１０】[0010]
【作用】上記本発明によれば、従来のガイド部材が不要
となる上、ファスニング部材の設置及び固定が磁力を利
用した極めて容易なものとなるため、そのセッティング
時間を従来の１／３〜１／４に短縮して製造コストを大
きく削減することが可能である。また、上記の如くガイ
ド部材を使用しないことから、ファスニング部材のガイ
ド部材に対する嵌合の強弱の問題もなくなり、これによ
り強すぎる嵌合によるウレタン部の破れや、弱すぎる嵌
合による発泡液のファスニング面への浸入の問題も同時
に解決することが可能となる。According to the present invention, the conventional guide member is not required, and the installation and fixing of the fastening member becomes extremely easy using the magnetic force. The manufacturing cost can be greatly reduced by shortening to / 4. In addition, since the guide member is not used as described above, the problem of the strength of the fitting of the fastening member to the guide member is also eliminated, thereby breaking the urethane portion due to too strong fitting, and fastening the foaming liquid due to too weak fitting. The problem of intrusion into the surface can be solved at the same time.
【００１１】[0011]
【発明の実施の形態】以下更に添付図面を参照して、本
発明の実施の形態を説明する。Embodiments of the present invention will be described below with reference to the accompanying drawings.
【００１２】図１は本発明実施形態の車両用シートパッ
ドの製造工程を示す断面図であり、面ファスナー１を発
泡成形品であるウレタンフォーム２に一体成形により取
付けるようになっている。面ファスナー１のファスニン
グ面１ａには、図２にも示すように、シートカバー（図
示せず）裏面の起毛と係合する係合突起１ｂが多数突設
されている。そして、図２にも示すように、上記面ファ
スナー１のファスニング面１ａを発泡液の浸入を防止す
るゴム膜等の被覆材３にて液密に被覆し一体化すると共
に、上記面ファスナー１を、鉄粉、ニッケル粉等の強磁
性体粉末（図示せず）を混合した素材にて形成してい
る。FIG. 1 is a sectional view showing a manufacturing process of a vehicle seat pad according to an embodiment of the present invention. A hook-and-loop fastener 1 is attached to a urethane foam 2 which is a foam molded product by integral molding. As shown in FIG. 2, the fastening surface 1a of the hook-and-loop fastener 1 is provided with a large number of engaging projections 1b which engage with raised hairs on the back surface of a seat cover (not shown). Then, as shown in FIG. 2, the fastening surface 1a of the hook-and-loop fastener 1 is liquid-tightly covered with a coating material 3 such as a rubber film for preventing infiltration of a foaming liquid, and is integrated. , Iron powder, nickel powder, and other ferromagnetic powders (not shown).
【００１３】他方、図３にも示すように、成形金型４の
ファスニング部材設置面５に円柱状の永久磁石６を複数
埋設し、この永久磁石６によりファスニング部材設置面
５に上記面ファスナー１を磁力固定して上記ウレタンフ
ォーム２を一体発泡成形している（なお、設置面５にお
いて、面ファスナー１の設置面５に当接する部分は前記
被覆材３となる）。On the other hand, as shown in FIG. 3, a plurality of columnar permanent magnets 6 are embedded in the fastening member installation surface 5 of the molding die 4, and the surface fastener 1 is mounted on the fastening member installation surface 5 by the permanent magnets 6. Is fixed by magnetic force, and the urethane foam 2 is integrally foam-molded (a portion of the installation surface 5 that comes into contact with the installation surface 5 of the hook-and-loop fastener 1 becomes the covering material 3).
【００１４】上記永久磁石６は上記設置面５に端面を面
一にそろえて、面ファスナー１の長手方向に所定間隔で
埋設されており、その直径を面ファスナー１の幅以上と
することにより、設置時の面ファスナー１のセンタリン
グを容易にしている。この永久磁石６は、１個あたり９
キロガウス以上の磁束密度を持つものが望ましい。この
ように、ウレタンフォーム２の発泡成形が完了して金型
４を取り外すと、ウレタンフォーム２からなるシートパ
ッドに面ファスナー１が一体となった状態で取付けられ
たことになる。そして、前記被覆材３を剥離することに
より、面ファスナー１のファスニング面が現れる。The permanent magnet 6 is buried at predetermined intervals in the longitudinal direction of the hook-and-loop fastener 1 with its end face flush with the installation surface 5 and its diameter is set to be equal to or larger than the width of the hook-and-loop fastener 1. The centering of the hook-and-loop fastener 1 at the time of installation is facilitated. The number of the permanent magnets 6 is 9
Those having a magnetic flux density of kilogauss or more are desirable. As described above, when the foaming of the urethane foam 2 is completed and the mold 4 is removed, the hook-and-loop fastener 1 is attached to the seat pad made of the urethane foam 2 in an integrated state. Then, when the covering material 3 is peeled off, the fastening surface of the surface fastener 1 appears.
【００１５】しかして、上記本発明実施形態によれば、
従来のガイド部材が不要となる上、面ファスナー１の設
置および固定が磁力を利用した極めて容易なものとなる
ため、そのセッティング時間を従来の約５秒／本から約
１〜１．５秒／本に短縮して製造コストを大きく削減す
ることが可能である。また、上記の如くガイド部材を使
用しないことから、面ファスナー１のガイド部材に対す
る嵌合の強弱の問題もなくなり、これにより強すぎる嵌
合によるウレタン部の破れや、弱すぎる嵌合による発泡
液のファスニング面１ａへの浸入の問題も同時に解決す
ることが可能となる。According to the embodiment of the present invention,
Since the conventional guide member is not required, and the installation and fixing of the hook-and-loop fastener 1 is extremely easy using magnetic force, the setting time is reduced from about 5 seconds / piece to about 1-1.5 seconds / piece. It is possible to greatly reduce the manufacturing cost by shortening to a book. In addition, since the guide member is not used as described above, the problem of the strength of the fitting of the hook-and-loop fastener 1 to the guide member is also eliminated. The problem of infiltration into the fastening surface 1a can be solved at the same time.
【００１６】以上、本発明の実施形態を説明したが、上
記実施形態において、磁性体の粉末は被覆材３の素材に
混合するか、あるいはファスニング部材１の両方の素材
に混合することも可能である。また、被覆材３なしでも
発泡液の浸入を防止しうる方法をとるときは、上記ファ
スニング部材１に磁性体を混合することが好適である。Although the embodiment of the present invention has been described above, in the above-described embodiment, the powder of the magnetic material can be mixed with the material of the coating material 3 or mixed with both materials of the fastening member 1. is there. When a method that can prevent the intrusion of the foaming liquid without using the coating material 3 is adopted, it is preferable to mix a magnetic material into the fastening member 1.
【００１７】[0017]
【発明の効果】以上説明したように、本発明は、ファス
ニング部材あるいはこれをシールする被覆材を磁性体の
粉末を混入した素材にて形成すると共に、成形金型のフ
ァスニング部材設置面に永久磁石を埋設し、この永久磁
石により上記ファスニング部材を上記ファスニング部材
設置面に磁力固定して上記成形品の一体発泡成形を行う
ものであり、本発明を実施することにより、従来のガイ
ド部材が不要となる上、ファスニング部材の設置および
固定が磁力を利用した極めて容易なものとなり、これに
よってそのセッティング時間を従来の１／３〜１／４に
短縮して製造コストを大きく削減することが可能であ
る。そして、上記の如くガイド部材を使用しないことか
ら、ファスニング部材のガイド部材に対する嵌合の強弱
の問題もなくなり、これにより強すぎる嵌合によるウレ
タン部の破れや、弱すぎる嵌合による発泡液のファスニ
ング面への浸入の問題も同時に解決し、ファスニング部
材付発泡成形品を簡便かつ確実に、しかも低コストにて
作製しうるとの顕著な効果を奏するものである。As described above, according to the present invention, a fastening member or a coating material for sealing the fastening member is formed of a material mixed with a powder of a magnetic material, and a permanent magnet is provided on the fastening member installation surface of a molding die. Is embedded, and the permanent magnet is used to perform the integral foam molding of the molded product by magnetically fixing the fastening member to the fastening member installation surface.By implementing the present invention, the conventional guide member is unnecessary. In addition, the installation and fixing of the fastening member becomes extremely easy using magnetic force, whereby the setting time can be shortened to 1/3 to 1/4 of the conventional case, and the manufacturing cost can be greatly reduced. . Further, since the guide member is not used as described above, the problem of the strength of the fitting of the fastening member to the guide member is eliminated, whereby the urethane portion is broken by too strong fitting, and the fastening of the foaming liquid by too weak fitting is performed. This also solves the problem of infiltration into the surface at the same time, and has a remarkable effect that a foamed molded product with a fastening member can be easily and reliably manufactured at low cost.
【図１】本発明実施形態の車両用シートパッドの製造工
程を示す断面図である。FIG. 1 is a sectional view showing a manufacturing process of a vehicle seat pad according to an embodiment of the present invention.
【図２】ファスニング部材の拡大図である。FIG. 2 is an enlarged view of a fastening member.
【図３】ファスニング部材設置面の拡大図である。FIG. 3 is an enlarged view of a fastening member installation surface.
１ 面ファスナー １ａ ファスニング面 １ｂ 係合突起 ２ ウレタンフォーム ３ 被覆材 ４ 成形金型 ５ ファスニング部材設置面 ６ 永久磁石 Reference Signs List 1 surface fastener 1a fastening surface 1b engagement protrusion 2 urethane foam 3 coating material 4 molding die 5 fastening member installation surface 6 permanent magnet
Claims (6)
泡成形品に一体成形により取付ける方法において、上記
ファスニング部材のファスニング面を発泡液の浸入を防
止する被覆材にて被覆して剥離可能に一体化せしめ、こ
の被覆材またはファスニング部材の少くとも一方を磁性
体の粉末を混合した素材にて形成すると共に、成形金型
のファスニング部材設置面に永久磁石を埋設し、この永
久磁石により上記ファスニング部材を上記ファスニング
部材設置面に磁力固定して上記成形品の一体発泡成形を
行うことを特徴とするファスニング部材の一体発泡成形
品への取付方法。1. A method of attaching a fastening member such as a hook-and-loop fastener to a foamed molded product by integral molding, wherein the fastening surface of the fastening member is covered with a covering material for preventing infiltration of a foaming liquid, and integrated so as to be peelable. At least one of the coating material and the fastening member is formed of a material in which a powder of a magnetic material is mixed, and a permanent magnet is buried in a fastening member installation surface of a molding die. A method of attaching a fastening member to an integral foam molded article, wherein the molded article is subjected to integral foam molding by magnetically fixing to a fastening member installation surface.
泡成形品に一体成形により取付ける方法において、この
ファスニング部材を磁性体の粉末を混入した素材にて形
成すると共に、成形金型のファスニング部材設置面に永
久磁石を埋設し、この永久磁石により上記ファスニング
部材を上記ファスニング部材設置面に磁力固定して上記
成形品の一体発泡成形を行なうことを特徴とするファス
ニング部材の一体発泡成形品への取付方法。2. A method for attaching a fastening member such as a hook-and-loop fastener to a foam molded product by integral molding, wherein the fastening member is formed of a material mixed with a magnetic material powder, and is attached to a fastening member installation surface of a molding die. A method of attaching a fastening member to an integral foam molded article, wherein a permanent magnet is embedded, and the fastening member is magnetically fixed to the fastening member installation surface with the permanent magnet to perform integral foam molding of the molded article.
ニング部材設置面に端面をそろえてファスニング部材の
長手方向に複数埋設された請求項１または２記載のファ
スニング部材の一体発泡成形品への取付方法。3. The fastening member according to claim 1, wherein the permanent magnet has a rod shape, and a plurality of the permanent magnets are buried in the longitudinal direction of the fastening member with their end surfaces aligned with the fastening member installation surface. Method.
がファスニング部材の幅以上である請求項１、２または
３記載のファスニング部材の一体発泡成形品への取付方
法。4. The method according to claim 1, wherein the permanent magnet has a columnar shape, and has a diameter equal to or greater than the width of the fastening member.
体成形により取付けた発泡成形品において、上記ファス
ニング部材のファスニング面を発泡液の浸入を防止する
被覆材にて被覆して剥離可能に一体化せしめ、この被覆
材またはファスニング部材の少くとも一方を磁性体の粉
末を混入した素材にて形成したことを特徴とするファス
ニング部材の一体発泡成形品。5. A foam molded product having a fastening member such as a hook-and-loop fastener attached thereto by integral molding, wherein the fastening surface of the fastening member is covered with a covering material for preventing infiltration of a foaming liquid, and is integrated in a peelable manner. An integral foam molded product of a fastening member, wherein at least one of the coating material and the fastening member is formed of a material mixed with a magnetic substance powder.
体成形により取付けた発泡成形品において、上記ファス
ニング部材を磁性体を混入した素材にて形成したことを
特徴とするファスニング部材の一体発泡成形品。6. An integrated foam molded product of a fastening member, wherein the fastening member is formed of a material mixed with a magnetic material, wherein the fastener is formed by integrally molding a fastening member such as a hook-and-loop fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08019198A JP4060434B2 (en) | 1998-03-11 | 1998-03-11 | Attaching the fastening member to the integral foam molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08019198A JP4060434B2 (en) | 1998-03-11 | 1998-03-11 | Attaching the fastening member to the integral foam molding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11254464A true JPH11254464A (en) | 1999-09-21 |
| JP4060434B2 JP4060434B2 (en) | 2008-03-12 |
Family
ID=13711497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP08019198A Expired - Fee Related JP4060434B2 (en) | 1998-03-11 | 1998-03-11 | Attaching the fastening member to the integral foam molding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4060434B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001252930A (en) * | 2000-03-10 | 2001-09-18 | Bridgestone Corp | Method for manufacturing foamed resin molded article |
| JP2008079948A (en) * | 2006-09-28 | 2008-04-10 | Bridgestone Corp | Molding method of seat pad |
| JP2017226936A (en) * | 2016-06-24 | 2017-12-28 | 豊田通商株式会社 | Reinforcement cloth for urethane foam molding and method for producing the same |
| JP2018202672A (en) * | 2017-05-31 | 2018-12-27 | 倉敷紡績株式会社 | Molding tool for resin foam molding, and manufacturing method of sheet pad for vehicle using the molding tool |
| CN109501086A (en) * | 2018-09-27 | 2019-03-22 | 浙江天铁实业股份有限公司 | Resist the manufacturing method for tearing nail type high polymer elastic backing plate open under track sleeper |
-
1998
- 1998-03-11 JP JP08019198A patent/JP4060434B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001252930A (en) * | 2000-03-10 | 2001-09-18 | Bridgestone Corp | Method for manufacturing foamed resin molded article |
| JP2008079948A (en) * | 2006-09-28 | 2008-04-10 | Bridgestone Corp | Molding method of seat pad |
| JP2017226936A (en) * | 2016-06-24 | 2017-12-28 | 豊田通商株式会社 | Reinforcement cloth for urethane foam molding and method for producing the same |
| JP2018202672A (en) * | 2017-05-31 | 2018-12-27 | 倉敷紡績株式会社 | Molding tool for resin foam molding, and manufacturing method of sheet pad for vehicle using the molding tool |
| CN109501086A (en) * | 2018-09-27 | 2019-03-22 | 浙江天铁实业股份有限公司 | Resist the manufacturing method for tearing nail type high polymer elastic backing plate open under track sleeper |
| CN109501086B (en) * | 2018-09-27 | 2020-12-22 | 浙江天铁实业股份有限公司 | Manufacturing method of nail-removal-resistant high-molecular elastic base plate under sleeper for track |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4060434B2 (en) | 2008-03-12 |
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