JP3128444B2 - Locking member for mold-in molding and method for manufacturing resin molded body using the same - Google Patents
Locking member for mold-in molding and method for manufacturing resin molded body using the sameInfo
- Publication number
- JP3128444B2 JP3128444B2 JP06284625A JP28462594A JP3128444B2 JP 3128444 B2 JP3128444 B2 JP 3128444B2 JP 06284625 A JP06284625 A JP 06284625A JP 28462594 A JP28462594 A JP 28462594A JP 3128444 B2 JP3128444 B2 JP 3128444B2
- Authority
- JP
- Japan
- Prior art keywords
- locking member
- molding
- mold
- substrate
- cushion
- 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 - Fee Related
Links
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
- Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
Description
【0001】[0001]
【産業上の利用分野】本発明は、自動車シートや事務用
椅子などのクッションをモールドイン成形する際に、こ
のクッション表面に埋め込まれるモールドイン成形用係
止部材に関するものである。係止部材付きのクッション
は、その表面を繊維布などの被覆体で蔽い、被覆体を係
止部材でクッションに固定して使用される。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a locking member for mold-in molding which is embedded in the surface of a cushion such as an automobile seat or office chair when molding the cushion. The cushion with the locking member is used by covering the surface with a covering such as a fiber cloth and fixing the covering to the cushion with the locking member.
【0002】[0002]
【従来の技術】一般に、自動車や事務用椅子などに用い
られるシートは、発泡ウレタンなどからなるクッション
の表面に、シートカバーを取付けて構成している。この
シートカバーの取付けにあたって、従来、ワイヤをクッ
ション用成形型の凹部に嵌合させてモールドイン成形
し、このワイヤとシートカバーとの間を多数の金属製固
定具で固定することにより、上記クッションにシートカ
バーを取付けるいわゆるホグリング法が採用されてい
る。このホグリング法において、上記固定具は電動工具
を用いて固定される。2. Description of the Related Art In general, seats used for automobiles and office chairs are constructed by attaching a seat cover to the surface of a cushion made of urethane foam or the like. Conventionally, when attaching the seat cover, the wire is fitted into the concave portion of the molding die for the cushion and molded in, and the wire and the seat cover are fixed with a large number of metal fixing members, thereby forming the cushion. The so-called hog ring method of attaching a seat cover to a vehicle is adopted. In the Hogling method, the fixture is fixed using a power tool.
【0003】最近、自動車シートの成形方法として、表
面に多数の係合素子を、裏面に多数の埋設要素をそれぞ
れ備えた面ファスナーテープを、成形型内の所定の位置
にセットし、該成形型内に成形用樹脂を注入して発泡さ
せ、上記テープの埋設要素をクッション表面に埋設一体
化し、かつ、上記係合素子がクッションの外表面に露出
するように埋め込み成形する方法(いわゆるモールドイ
ン成形法)が提案されている。そして、シートカバーに
は上記面ファスナーテープの係合素子に係合可能な被係
合素子が設けられ、これらの両素子を係合させることに
より、上記シートカバーがクッションに沿わせて被覆さ
れる。Recently, as a method of forming an automobile seat, a surface fastener tape having a plurality of engaging elements on a front surface and a plurality of buried elements on a back surface is set at a predetermined position in a forming die. A method of injecting molding resin into the inside to foam the resin, embedding and integrating the embedded element of the tape on the surface of the cushion, and embedding and molding so that the engaging element is exposed on the outer surface of the cushion (so-called mold-in molding). Law) has been proposed. The seat cover is provided with an engaged element capable of engaging with the engaging element of the hook-and-loop fastener, and by engaging these two elements, the seat cover is covered along the cushion. .
【0004】ところで、上記のモールドイン成形法で
は、上記面ファスナーテープを成形型に設けた凹部に装
着して、成形用樹脂(以下樹脂組成物と言うことがあ
る)がテープ基板と成形型凹部の間隙から係合素子側に
流入し該素子を埋めるのを阻止する必要がある。In the above-mentioned mold-in molding method, the hook-and-loop fastener tape is mounted in a concave portion provided in a molding die, and a molding resin (hereinafter, sometimes referred to as a resin composition) is formed between the tape substrate and the concave portion of the molding die. It is necessary to prevent the air from flowing into the engagement element side from the gap and filling the element.
【0005】上記問題を解決する係止部材の1例が図7
に示される。係止部材Aは面ファスナーの基板Bの表裏
両面に多数の係合素子Cと埋設要素Dとを備えた面ファ
スナーテープEを用い、上記係合素子Cの上面にモール
ド成形時に成形型に埋設された磁石体に吸着するスチー
ルペーパFを配置するとともに、このスチールペーパF
および係合素子Cの全体をカバーフィルムGで覆って、
モールド成形時に係合素子C側に成形樹脂組成物が流入
するのを阻止する構造を有する。このフィルムGは、そ
の外周縁部が上記面ファスナーテープEの周縁部に、粘
接着剤やヒートシール手段などで接合一体化されてい
る。FIG. 7 shows an example of a locking member which solves the above problem.
Is shown in The locking member A uses a surface fastener tape E having a large number of engaging elements C and buried elements D on both front and back surfaces of a surface fastener substrate B, and is embedded in a molding die at the time of molding on the upper surface of the engaging element C. A steel paper F to be attracted to the magnet body is arranged, and the steel paper F
And covering the entire engaging element C with a cover film G,
It has a structure for preventing the molding resin composition from flowing into the engagement element C during molding. The outer periphery of the film G is integrally joined to the periphery of the surface fastener tape E by an adhesive or a heat sealing means.
【0006】そして、該係止部材Aは、底面に磁石Jが
設置されている成形型の凹部Kに、上記スチールペーパ
Fをその磁気吸引力を利用して固定する。この後成形型
内に発泡原液などの樹脂組成物を注入して、上記埋設要
素Dが樹脂に埋め込まれたクッションなどの成形体を成
形し、クッションを取り出し、その後カバーフィルムG
とスチールペーパFとを取外し、面ファスナーの係合素
子Cをクッションの表面に露出させる。[0006] The locking member A fixes the steel paper F to the concave portion K of the mold in which the magnet J is provided on the bottom surface by using its magnetic attraction. Thereafter, a resin composition such as an undiluted foam solution is injected into a molding die to form a molded article such as a cushion in which the burying element D is embedded in the resin, and the cushion is taken out.
And the steel paper F are removed, and the engaging element C of the hook-and-loop fastener is exposed on the surface of the cushion.
【0007】他の一例として特開昭64−9708号に
開示されるモールドイン用の係止部材がある。該係止部
材は、面ファスナーの全周端部に表面または裏面に向い
た凹溝部を設け、一方成形型のファスナー装着部の周縁
に凸部または凹部を設け、面ファスナーの凹溝部と成形
型の凹部周縁の凸または凹部を嵌着する構造である。該
係止部材では面ファスナーの周縁部に凹溝部とその外側
に耳部を設けており、その両構造により係止部材は成形
型の装着部に嵌着されると考えられる。As another example, there is a locking member for mold-in disclosed in JP-A-64-9708. The locking member is provided with a concave groove facing the front surface or the rear surface at the entire peripheral end of the hook-and-loop fastener, while a convex portion or a concave portion is provided at the peripheral edge of the fastener mounting portion of the molding die, and the concave groove portion of the hook-and-loop fastener and the molding die are provided. Is a structure in which a convex or concave portion on the periphery of the concave portion is fitted. In the locking member, a concave groove portion is provided on the peripheral edge portion of the hook-and-loop fastener and an ear portion is provided outside the groove portion, and the locking member is considered to be fitted to the mounting portion of the molding die by both structures.
【0008】さらに、実開平3−58109号に示され
る係止部材は、面ファスナーテープの外周に断面矩形の
嵌合部材を装着する構造で、面ファスナーテープの幅が
嵌合部材の分だけ増して、面ファスナーテープが大型化
する欠点がある。また、上記嵌合部材は、面ファスナー
テープとは別個に成形されて、面ファスナーテープの外
周に装着されるので、装着作業が面倒で生産性に劣る欠
点もある。Further, the locking member disclosed in Japanese Utility Model Laid-Open No. 3-58109 has a structure in which a fitting member having a rectangular cross section is attached to the outer periphery of the hook-and-loop fastener, and the width of the hook-and-loop fastener tape is increased by the width of the fitting member. Therefore, there is a disadvantage that the hook-and-loop fastener tape becomes large. Further, since the fitting member is formed separately from the hook-and-loop fastener tape and is mounted on the outer periphery of the hook-and-loop fastener tape, there is a disadvantage that mounting work is troublesome and productivity is poor.
【0009】[0009]
【発明が解決しようとする課題】ところが、上述したホ
グリング法によるときには、上記シートカバーをクッシ
ョンに固定するとき、多数の固定具を必要とし、多大の
手間も要する。しかも、これら固定具は電動工具で取付
けられるため、怪我をしたり腱鞘炎になるなど安全およ
び労働衛生上に問題があり、その上、樹脂材料にワイヤ
や固定具などの金属部品が混在しているので、使用後の
樹脂材料のリサイクルが行いにくい欠点もある。However, when the above-described hog ring method is used, when the seat cover is fixed to the cushion, a large number of fixing tools are required, and much labor is required. In addition, since these fixtures are attached with an electric tool, there are problems in safety and occupational health such as injury and tendonitis, and metal parts such as wires and fixtures are mixed in the resin material. Therefore, there is a disadvantage that it is difficult to recycle the used resin material.
【0010】また、図7に示したモールドイン成形手段
による場合は、上記クッションの成形後に、上記スチー
ルペーパFとファスナーカバーフィルムGとを取外す必
要があるが、これらの部材は廃棄物となって処分する必
要が生ずる。しかも、上記フィルムGの取外し時に、フ
ィルム屑が上記係合素子面に残ると、係合素子の露出を
妨げ係合力を低下させ、また外観が悪くなったりするた
め、細心で面倒な取外作業が必要となる。その作業には
手間がかかり、その上、前記スチールペーパFの取外時
に手指の怪我を招く恐れもあった。In the case of the mold-in molding means shown in FIG. 7 , it is necessary to remove the steel paper F and the fastener cover film G after molding the cushion, but these members become waste. Need to be disposed of. In addition, when film debris remains on the engagement element surface when removing the film G, the exposure of the engagement element is hindered, the engagement force is reduced, and the appearance is deteriorated. Is required. The work is troublesome, and furthermore, there is a risk of injuries to fingers when removing the steel paper F.
【0011】特開昭64−9708号に示される係止部
材は、面ファスナーの端部に設ける構造が複雑であり、
成形型の凹部の周縁にも凹部か凸部を設ける必要があ
り、その製造を複雑にする欠点がある。従って、より簡
単な構造で十分な効果を得る係止部材が求められてい
た。また、該ファスナーは周縁部に係合素子が存在しな
い部分を有するので、ファスナー巾が大きくなる。細巾
のテープを取り付ける場合は、埋設要素や係合素子の数
が少なくなり、成形体への係止部分の固定や被覆体の係
止が十分でない。The locking member disclosed in JP-A-64-9708 has a complicated structure provided at the end of the hook-and-loop fastener.
It is necessary to provide a concave portion or a convex portion also on the periphery of the concave portion of the molding die, and there is a drawback that the production thereof is complicated. Therefore, there has been a demand for a locking member that can obtain a sufficient effect with a simpler structure. Further, since the fastener has a portion where the engagement element does not exist at the peripheral edge, the width of the fastener is increased. When a narrow tape is attached, the number of buried elements and engaging elements is reduced, and the fixing of the locking portion to the molded body and the locking of the covering are not sufficient.
【0012】本発明は、以上のような問題に鑑みてなさ
れたもので、その目的は、モールドイン成形時に、成形
型の凹部内に面ファスナーテープを固定し、かつ、この
面ファスナーテープの係合素子側に発泡原液などの樹脂
組成物が流入するのを確実に阻止することができ、しか
も、小形で、生産性、安全性および作業性に優れ、さら
にリサイクルが可能なモールドイン成形用係止部材を提
供することにある。The present invention has been made in view of the above problems, and has as its object to fix a hook-and-loop fastener tape in a concave portion of a mold at the time of mold-in molding, and to provide a hook-and-loop fastener for the hook-and-loop fastener. A mold-in molding unit that can reliably prevent the resin composition such as the undiluted foam solution from flowing into the combined element, and that is compact, has excellent productivity, safety and workability, and is recyclable. It is to provide a stop member.
【0013】[0013]
【課題を解決するための手段】本発明は、基板の表面に
係合素子を有する面ファスナーテープであって、該ファ
スナーの巾側両端に長さ方向に基板の裏面に立ち上がる
突条を有し、該突条の最外側部が基板巾側端部より約
0.3ないし約5mm外側に突出することを特徴とする
モールドイン成形用係止部材である。 SUMMARY OF THE INVENTION The present invention relates to a hook-and-loop fastener having an engaging element on the surface of a substrate, and having ridges standing on the back surface of the substrate in the longitudinal direction at both ends on the width side of the fastener. An outermost portion of the ridge projects outwardly by about 0.3 to about 5 mm from an end of the width side of the substrate .
【0014】さらに、本発明は上記の構成の係止部材に
おいて、突条の端部に膨大部を有するモールドイン成形
用係止部材を提供する。この構造によれば、突条が樹脂
に埋設され膨大部がアンカー効果を示すため、樹脂成形
体と係止部材の接合をより高める事ができる。Further, the present invention provides a locking member for mold-in molding which has an enlarged portion at the end of the ridge in the above-structured locking member. According to this structure, since the ridge is buried in the resin and the enlarged portion exhibits an anchor effect, the joining between the resin molded body and the locking member can be further enhanced.
【0015】また本発明は、上記の構成の係止部材にお
いて、面ファスナーテープの裏面に埋設要素を有するモ
ールドイン成形用係止部材を提供する。この構造によれ
ば、成形体と係止部材との接合をさらに強力にできる。[0015] The present invention also provides a locking member for mold-in molding, which has an embedding element on the back surface of the hook-and-loop fastener tape. According to this structure, the joining between the molded body and the locking member can be further strengthened.
【0016】本発明は、上記の係止部材を、その表面の
係合素子が成形型の凹部に当接するように該凹部に嵌着
し、係止部材の該突条で成形型の凹部の壁面と係止部材
の間隙を実質的に封止し、成形型に樹脂組成物を導入す
ることからなる係止部材付き樹脂成形体の製造方法を提
供する。According to the present invention, the above-mentioned locking member is fitted into the concave portion of the molding die such that the engaging element on the surface thereof is in contact with the concave portion of the molding die. Provided is a method for producing a resin molded body with a locking member, which comprises substantially sealing a gap between a wall surface and a locking member and introducing a resin composition into a molding die.
【0017】図1は本発明の係止部材の1例を示す斜視
図であり、図2は図1のX,X線における断面図であ
る。図1および2において、係止部材はその基板1の表
面側に多数の係合素子2を有し、裏面側には巾側両端に
長さ方向に立ち上がる突条3を有する。突条3は、その
最外側部が基板1の巾側端部より約0.3ないし約5m
m外側に突出する構造とする。図2において、突条3は
基板1の巾側端部からdの距離だけ突出しており、dが
約0.3ないし約5mmである。裏面側には、所望によ
り埋設要素4を設けることができる。FIG. 1 is a perspective view showing an example of a locking member according to the present invention, and FIG. 2 is a sectional view taken along line X, X in FIG. 1 and 2, the locking member has a large number of engaging elements 2 on the front surface side of the substrate 1 and has protruding ridges 3 rising in the length direction at both ends on the width side on the rear surface side. The outermost portion of the ridge 3 is about 0.3 to about 5 m from the width end of the substrate 1.
The structure protrudes m outside. In FIG. 2, the ridge 3 protrudes from the width-side end of the substrate 1 by a distance d, and d is about 0.3 to about 5 mm. On the back side, a buried element 4 can be provided if desired.
【0018】図3は、図1の係止部材を成形型の係止部
材嵌着用の凹部に嵌着した状態を示す断面模式図であ
る。一般に、該係止部材嵌着用の凹部の巾は、係止部材
の巾とやや小さいかほぼ等しい巾に設定され、係止部材
は該凹部にセットされる。本係止部材を成形型5の凹部
6に嵌着した場合、突条3が基板端部より外側に突出す
ることにより、突条が成形型凹部の壁面7と接触または
接近し、その間隙を実質的に封止する。適当な供給装置
8から供給される成形材料9が凹部6に導入されても、
突条3により間隙が封止されるから、係合素子2側に流
入することはない。FIG. 3 is a schematic cross-sectional view showing a state in which the locking member of FIG. 1 is fitted into a concave portion for fitting the locking member of the molding die. Generally, the width of the concave portion for fitting the locking member is set to be slightly smaller or substantially equal to the width of the locking member, and the locking member is set in the concave portion. When the locking member is fitted into the concave portion 6 of the molding die 5, the ridge 3 projects outward from the end of the substrate, so that the ridge contacts or approaches the wall surface 7 of the concave portion of the molding die. Substantially seal. Even if the molding material 9 supplied from a suitable supply device 8 is introduced into the recess 6,
Since the gap is sealed by the ridge 3, it does not flow into the engagement element 2.
【0019】突条の突出dが十分に大きいと、突条体の
弾性力により凹部の壁面との間で強い封止ができる。本
発明の係止部材では突出dは約0.3ないし約5mmが
必要である。しかしdの大きさは、基板の巾の大きさに
関係するものであり、基板の巾が大きい面ファスナーで
は大きいdが好ましく、5mm以上の突出でも使用でき
る場合がある。基板の巾が小さい面ファスナーに大きい
突出dを与えると、成形型凹部に嵌着する時に突条の弾
性力が強くて、嵌着が困難になったり面ファスナーを変
形するので好ましくない。 If the protrusion d of the protrusion is sufficiently large, a strong seal can be formed between the protrusion and the wall surface of the recess by the elastic force of the protrusion. In the locking member of the present invention, the protrusion d needs to be about 0.3 to about 5 mm. However, the size of d is related to the size of the width of the substrate, and is preferably large for a hook-and-loop fastener having a large width of the substrate. In some cases, a protrusion of 5 mm or more can be used. Giving a large protrusion d to the surface fastener having a small width of the substrate is not preferable because the elasticity of the ridge is strong when the surface fastener is fitted into the concave portion of the molding die, which makes the fitting difficult or deforms the surface fastener .
【0020】本発明の突条3は基板1の裏面に設けられ
ているから、基板の幅、つまり面ファスナーテープの幅
を大きく増大させることがない。したがって、細巾の面
ファスナーテープを用いた係止部材として有効であり、
係合素子を係止部材の表面全域に設けることができる。
さらに、上記突条3が面ファスナーテープに一体形成さ
れているので、嵌合要素を別途形成して面ファスナーテ
ープに装着する場合と比較して、生産性に優れている。Since the ridges 3 of the present invention are provided on the back surface of the substrate 1, the width of the substrate, that is, the width of the surface fastener tape does not greatly increase. Therefore, it is effective as a locking member using a narrow surface fastener tape,
The engagement element can be provided over the entire surface of the locking member.
Further, since the ridges 3 are integrally formed on the hook-and-loop fastener tape, the productivity is superior to the case where a fitting element is separately formed and attached to the hook-and-loop fastener tape.
【0021】本発明の係止部材が成形型の凹部に嵌着さ
れる場合、係止部材の突条と成形型の凹部の壁面との間
に間隙のないことが好ましいが、僅かな間隙があって
も、樹脂組成物が突条を成形型凹部の壁面に押し付ける
ように作用し間隙を封止することができる。また、わず
かな間隙があっても、樹脂組成物の粘度が高いと自己の
粘性で間隙の流下は極めて少ないので、樹脂による係合
素子の汚染は無視する事ができる。この場合でも、壁面
の封止は行われていると認められる。係止部材の突条の
最外側部間の距離W1(図2に示す)と、凹部の巾方向
の壁面間の距離W2(図3に示す)の差(W1−W2)
は−1mmないし5mmであれば、係止部材の嵌着も容
易で、樹脂の流入は実質的に防止できる。(W1−W
2)は、より好ましくは−0.5mmないし2mmであ
る。上記の範囲でW1がW2よりも大きいとき、係止部
材が弾性変形して凹部の壁面に密着するから、封止が良
好となり、樹脂組成物の流入防止に効果的である。When the locking member of the present invention is fitted into the concave portion of the molding die, it is preferable that there is no gap between the protrusion of the locking member and the wall surface of the concave portion of the molding die. Even so, the resin composition acts so as to press the ridge against the wall surface of the concave portion of the molding die, so that the gap can be sealed. In addition, even if there is a slight gap, if the viscosity of the resin composition is high, the flow down the gap due to its own viscosity is extremely small, so that the contamination of the engagement element by the resin can be ignored. Even in this case, it is recognized that the wall surface is sealed. The difference (W1-W2) between the distance W1 (shown in FIG. 2) between the outermost portions of the protrusions of the locking member and the distance W2 (shown in FIG. 3) between the wall surfaces in the width direction of the recess.
If -1 mm to 5 mm, the engagement of the locking member is easy, and the inflow of resin can be substantially prevented. (W1-W
2) is more preferably -0.5 mm to 2 mm. When W1 is larger than W2 in the above range, the locking member is elastically deformed and comes into close contact with the wall surface of the concave portion, so that the sealing is improved and the resin composition is effectively prevented from flowing.
【0022】本発明の係止部材をモールドイン成形に使
用する場合、巾方向の間隙からの樹脂の流入と共に、係
止部材の長さ方向の端部からの樹脂の流入も問題であ
る。しかし係止部材の基板は普通、巾約7ないし50m
m、好ましくは約7ないし20mm、より好ましくは約
10ないし15mm程度であり、長さ10cm以上、好
ましくは数十cmであり、非常に細長い形状である。従
って、長さ方向の端部から樹脂が流入しても、その部分
で汚染される係合素子は非常に少ないので、該端部から
の樹脂の流入は許容され得る。通常は、成形型凹部の長
さと係止部材の長さをほぼ等しくすることで、該端部の
封止は達成される。When the locking member of the present invention is used for mold-in molding, there is a problem that the resin flows from the longitudinal end of the locking member together with the resin flowing from the gap in the width direction. However, the substrate of the locking member is usually about 7 to 50 m wide.
m, preferably about 7 to 20 mm, more preferably about 10 to 15 mm, and a length of 10 cm or more, preferably several tens cm, and a very elongated shape. Therefore, even if the resin flows in from the end in the length direction, since the engaging element contaminated in that portion is very small, the resin can flow from the end. Usually, the sealing of the end is achieved by making the length of the mold recess substantially equal to the length of the locking member.
【0023】係止部材の長さをL1とし、成形型凹部の
長さ方向壁面間距離をL2とするとき、(L1−L2)
を−5mm〜5mm、より好ましくは−2mm〜2mm
とする。(L1−L2)が−5mmより小さいと樹脂の
流入が多くなり、5mmより大きいと係止部材の成形型
凹部への嵌着が困難になり、また係止部材が凹部内で変
形するので好ましくない。長さ方向の端部の封止を高度
にするには、面ファスナーの長さ方向の表面側端部に平
坦部、すなわちシール部を形成し、このシール部を成形
型凹部の壁面の一部に設けた棚部に載置し、シール部と
棚部を密着する。When the length of the locking member is L1 and the distance between the wall surfaces in the longitudinal direction of the mold recess is L2, (L1-L2)
-5 mm to 5 mm, more preferably -2 mm to 2 mm
And When (L1−L2) is smaller than −5 mm, the inflow of the resin increases. When (L1−L2) is larger than 5 mm, it becomes difficult to fit the locking member into the concave portion of the molding die, and the locking member is deformed in the concave portion. Absent. To enhance the sealing of the longitudinal end, a flat part, that is, a seal part is formed at the longitudinal end of the surface fastener in the longitudinal direction, and this seal part is part of the wall surface of the concave part of the mold. Is placed on the shelf provided in the box, and the sealing portion and the shelf are brought into close contact with each other.
【0024】[0024]
【実施例】以下、本発明の実施例を図面に基づいてさら
に説明する。図4は、本発明に係るモールドイン成形用
係止部材の適用例として、自動車用シートクッションの
構造を示す部分断面図である。シート12は、発泡ウレ
タンなどからなるモールド成形体であるクッション13
を備え、このクッションの外表面にシートカバー14を
被覆させる。上記クッション13の外表面には、シート
カバーを固定する部分、例えばその外周縁部に沿ってほ
ぼコの字形状とされた溝15が形成され、この溝15内
に係止部材16がモールドイン成形により固着され、こ
の係止部材16の係合部材に上記シートカバー14を係
止させることにより、シートカバー14がクッション1
3に取付けられる。シートカバー14の裏面の繊維布1
7は、係合素子と係合しうる多数のループ状繊維層をも
つ織編物、不織布が採用される。Embodiments of the present invention will be further described below with reference to the drawings. FIG. 4 is a partial cross-sectional view showing the structure of an automobile seat cushion as an application example of the mold-in molding locking member according to the present invention. The seat 12 is a cushion 13 which is a molded article made of urethane foam or the like.
The outer surface of the cushion is covered with the seat cover 14. On the outer surface of the cushion 13, a groove 15 having a substantially U-shape is formed along a portion for fixing the seat cover, for example, an outer peripheral edge thereof. The seat cover 14 is fixed by molding, and the seat cover 14 is locked by the engaging member of the locking member 16.
3 attached. Fiber cloth 1 on the back of seat cover 14
Reference numeral 7 denotes a woven or knitted fabric or a nonwoven fabric having a large number of loop-like fiber layers that can engage with the engaging elements.
【0025】上記モールドイン成形用係止部材16は、
図1または図5に示したものである。係止部材に用いる
面ファスナーは、基板の表面にシートカバーなどの繊維
布と係合する多数の係合素子を設ける。係合素子の形状
は任意であり、きのこ状、鈎状、矢じり状でよい。その
裏面側には上記クッションに埋設係止される断面円弧状
またはきのこ状頭部をもった埋設要素を設けるのが望ま
しいが、基板の巾が小さいものでは、両端部の突条だけ
とし、突条が埋設要素を兼ねることも出来る。The above-described locking member 16 for mold-in molding includes:
This is shown in FIG. 1 or FIG . A hook-and-loop fastener used as a locking member is provided with a large number of engaging elements that engage with a fiber cloth such as a seat cover on the surface of a substrate. The shape of the engagement element is arbitrary, and may be a mushroom shape, a hook shape, or an arrowhead shape. It is desirable to provide a buried element having an arc-shaped or mushroom-shaped head that is buried and locked in the cushion on the back side, but if the board width is small, only ridges at both ends are used. Articles can also serve as buried elements.
【0026】本発明の係止部材の他の1例の斜視図を図
5に示す。図5の係止部材は基板の裏面側に巾方向の両
端部に2つの突条3、3を有すると共に、中間部に2つ
の列状の断面円弧状頭部をもつ埋設要素4、4を有す
る。基板の裏面側の突条がその頭部に膨大部を有する
と、成形樹脂に対しアンカー効果を発揮し、両者の接合
が強力になり、樹脂成形体から係止部材の脱離、特に係
止部材の巾側縁での剥離を防ぐことができる。埋設要素
は、係止部材の長手方向に連続した列条とするか、係合
素子のように多数の細片素子とすることができる。FIG. 3 is a perspective view of another example of the locking member of the present invention.
It is shown in FIG. The locking member shown in FIG. 5 has two ridges 3 and 3 at both ends in the width direction on the back side of the substrate, and two embedded elements 4 and 4 having two rows of arcuate heads in the middle. Have. If the ridge on the back side of the substrate has an enlarged portion at its head, it exerts an anchoring effect on the molding resin, the joining of both becomes strong, and the locking member is detached from the resin molded body, especially locking. Separation at the width side edge of the member can be prevented. The buried element can be a longitudinally continuous row of locking members or a number of strip elements such as engagement elements.
【0027】突条3の断面形状は、必要に応じて任意の
ものにすることができ、その例を図6−aないし図6−
cに示す。図6−aの突条は、突条3の端部に断面錨状
の膨大部18を有し、該膨大部の右端部が基板1の端部
より外側にdだけ突出する。図6−bの突条は、端部の
膨大部18と中間部の突出部19を有し、その最外側部
が基板端部より外側にdだけ突出する。図6−cの突条
は、突条3が外側に湾曲して立ち上がっており、湾曲部
の最外側部が基板端部よりdだけ突出する。The cross-sectional shape of the ridges 3 may be any ones as needed, FIG. 6 -a to FIG its Example 6 -
c. Figure 6 -a ridge has a cross-section anchor-like enlarged portion 18 on the end portion of the projection 3, the right end portion of the bulging most projects only d outward from the end portion of the substrate 1. Figure 6 -b ridges has a large portion 18 and the protrusion 19 of the intermediate portion of the end portion, the outermost portion protrudes only d outward from the edge of the substrate. Figure 6 -c ridges are ridges 3 has risen curved outwardly, the outermost portion of the curved portion protrudes by d from the edge of the substrate.
【0028】係止部材の基板の巾はその用途により選択
され、普通7ないし50mm程度であり、好ましくは7
ないし20mm程度、より好ましくは10ないし15m
m程度である。 係止部材として使用する面ファスナー
テープは、ポリエチレン,ポリプロピレンなどのポリオ
レフィン系樹脂、ナイロンなどのポリアミド系樹脂、ポ
リエステル系樹脂、ポリウレタン樹脂、塩化ビニール樹
脂その他の樹脂およびこれらを任意に配合した樹脂組成
物から成形される。The width of the substrate of the locking member is selected depending on its use, and is usually about 7 to 50 mm, preferably about 7 to 50 mm.
About 20 to about 20 mm, more preferably about 10 to 15 m
m. The hook-and-loop fastener tape used as the locking member is a polyolefin resin such as polyethylene or polypropylene, a polyamide resin such as nylon, a polyester resin, a polyurethane resin, a vinyl chloride resin or other resins, and a resin composition containing any of these resins. Molded from
【0029】また、成形方法に特に制限はなく、周知の
押出成形方法によって成形される。つまり、面ファスナ
ーテープ成形用の成形ダイに、上記基板を押出す第1吐
出孔と、その上下方向にそれぞれ係合素子、埋設要素お
よび突条に対応する第2吐出孔を、図1、図5又は図6
の形状に対応するように連通状に設け、該成形ダイから
熱可塑性樹脂を押し出し、基板の上下両面に係合素子、
埋設要素および巾両端の突条に対応する列条を有するテ
ープ状成形物を成形する。テープ状成形物が冷却した
後、基板の長さ方向に対し所定の刃角度に設定された回
転カッタにより、基板表面側の列条に所定間隔で多数の
切り目を入れる。一方、裏面側の突条に対応する列条に
は切れ目を入れない。The molding method is not particularly limited, and is formed by a known extrusion molding method. In other words, a first discharge hole for extruding the substrate and a second discharge hole corresponding to the engaging element, the buried element and the ridge in the vertical direction are formed on the forming die for forming the surface fastener tape, as shown in FIGS. 5 or FIG.
Provided in communication so as to correspond to the shape of, extruding the thermoplastic resin from the molding die, engaging elements on the upper and lower surfaces of the substrate,
A tape-shaped molding having rows corresponding to the buried elements and the ridges at both ends of the width is formed. After the tape-shaped molded product is cooled, a number of cuts are formed at predetermined intervals in the rows on the substrate surface side by a rotary cutter set at a predetermined blade angle with respect to the length direction of the substrate. On the other hand, no cut is made in the row corresponding to the protrusion on the back side.
【0030】上記テープ状成形物を延伸ロールで延伸す
ると、基板が長手方向に引き伸ばされるから、上記カッ
タで切れ目をつけられた表面側の列条は、断面矢じり状
の多数の独立した係合素子となる。また裏面側の巾端部
にある列条は連続した状態を保持する。特に両端部の突
条は樹脂組成物をシールする部材でもあるので、連続の
構造が必要である。When the tape-like molded product is stretched by a stretching roll, the substrate is stretched in the longitudinal direction. Therefore, the row of rows on the front side cut by the cutter has a large number of independent engaging elements having a barbed cross section. Becomes The row at the width end on the back side maintains a continuous state. In particular, since the protrusions at both ends are also members for sealing the resin composition, a continuous structure is required.
【0031】図1および図5に示したような両端部突条
と埋設要素が直接成形ダイから製造されるものでは、中
間部にある埋設要素に対応する列条だけをカッターで切
断するのは困難であり、基板の裏面に多数の矢じり状の
埋設要素を設けることは難しい。 In the case where the ridges and the buried elements at both ends are directly manufactured from the molding die as shown in FIGS. 1 and 5 , only the row corresponding to the buried elements at the intermediate portion is cut by the cutter. It is difficult to provide a large number of barbed buried elements on the back surface of the substrate .
【0032】上記各素子および要素の断面形状を同じく
する必要はなく、必要に応じて異なる形状とすることも
できる。係合素子および埋設要素の高さは、特に制限は
ないが、通常約1mmないし約15mm、より好ましく
は約2mmないし6mmである。モールドイン成形用の
係止部材には、約3ないし約7mmの高さ、より好まし
くは約3ないし5mmの高さである。It is not necessary that the cross-sectional shapes of the above-mentioned elements and elements be the same, but they may be different if necessary. The height of the engagement element and the buried element is not particularly limited, but is usually about 1 mm to about 15 mm, and more preferably about 2 mm to 6 mm. The locking member for mold-in molding has a height of about 3 to about 7 mm, more preferably about 3 to 5 mm.
【0033】係止部材は上記の押出成形方法のほかに、
上記係合素子を基板に植設して形成することもできる。
この場合、係合素子は必ずしもきのこ状とする必要はな
く、例えば、鈎状、矢じり状、その他係合機能を有する
形状に形成することができる。[0033] In addition to the above-mentioned extrusion molding method,
The engagement element may be formed by implanting it in a substrate.
In this case, the engaging element does not necessarily have to be mushroom-shaped, but may be formed into, for example, a hook shape, an arrowhead shape, or any other shape having an engaging function.
【0034】次に、本発明の係止部材を使用した自動車
用クッションの製造例について説明する。先ず、上記モ
ールドイン成形用係止部材として、図5に示した面ファ
スナーテープ1を使用し、図3に示すように、テープ1
をその係合素子2が成形型5の凹部6の内側に、突条3
及び埋設要素4が成形型の内側を向くようにセットす
る。Next, an example of manufacturing an automobile cushion using the locking member of the present invention will be described. First, a hook-and-loop fastener tape 1 shown in FIG. 5 was used as the locking member for mold-in molding, and as shown in FIG.
The engaging element 2 is inserted into the recess 6 of the
And the buried element 4 is set so as to face the inside of the mold.
【0035】このとき、上記面ファスナーテープ1の突
条が成形型凹部の巾方向の壁面7,7に接触または近接
しておかれ、係止部材と成形型凹部との間隙をシールし
て、成形型内への発泡原液の注入時に、発泡原液が凹部
内側の係合素子側に流入するのを阻止する。At this time, the ridges of the surface fastener tape 1 are in contact with or close to the widthwise wall surfaces 7 of the concave portion of the molding die, thereby sealing the gap between the locking member and the concave portion of the molding die. When the foaming liquid is injected into the mold, the foaming liquid is prevented from flowing into the engagement element side inside the concave portion.
【0036】この状態で、上記成形型にポリウレタなど
の樹脂を注入して発泡させ、その硬化後に成形型5から
クッション13を外部に取出すことにより、このクッシ
ョン13の溝15に上記係止部材が一体的に埋め込まれ
た成形体が得られる。ここで、上記係合素子2は、その
表面が発泡材で覆われることなく、クッション13の外
表面に確実に露出する。また、突条および嵌合要素の一
部が上記クッション13内に埋め込まれて、本係止部材
がクッションに強固に取付けられる。In this state, a resin such as polyurethane is injected into the molding die to cause foaming. After the resin is cured, the cushion 13 is taken out of the molding die 5 so that the locking member is inserted into the groove 15 of the cushion 13. A molded body integrally embedded is obtained. Here, the engaging element 2 is reliably exposed to the outer surface of the cushion 13 without its surface being covered with the foam material. Further, a part of the ridge and the fitting element is embedded in the cushion 13, and the final locking member is firmly attached to the cushion.
【0037】さらに、図4で示すように、以上のように
成形されたクッション13の表面にシートカバー14を
かぶせ、クッションの表面に露出される上記係止部材の
係合素子2に、上記シートカバー14の裏面側に設けた
被係合素子(ループ状繊維)17を係合させることによ
り、シートカバー14がクッション13の外観形状に沿
って密着状に確実に被覆される。クッションの細くて深
い凹部に本係止部材を使用すれば、シートカバーをクッ
ションに吊り込むように固定でき、クッションの表面に
密接してシートカバーを装着し、風合いの優れたシート
が得られる。Further, as shown in FIG. 4 , a seat cover 14 is put on the surface of the cushion 13 formed as described above, and the engaging element 2 of the locking member exposed on the surface of the cushion is attached to the seat. By engaging the engaged elements (loop-like fibers) 17 provided on the back surface side of the cover 14, the seat cover 14 is securely covered in a tight manner along the external shape of the cushion 13. If the permanent locking member is used in the thin and deep concave portion of the cushion, the seat cover can be fixed so as to be hung on the cushion, and the seat cover is attached in close contact with the surface of the cushion, so that a sheet with excellent texture can be obtained.
【0038】なお、以上の実施例では、本発明にかかる
モールドイン成形用係止部材の適用例として自動車用ク
ッションを示したが、このクッションに限らず、他のモ
ールド成形体にも適用することができる。In the above-described embodiment, the cushion for the automobile is shown as an application example of the locking member for mold-in molding according to the present invention. However, the present invention is not limited to this cushion, but may be applied to other molded articles. Can be.
【0039】[0039]
【発明の効果】以上説明したように、本発明のモールド
イン成形用係止部材は、成形型内の凹部に簡単かつ確実
に保持でき、しかも成形型凹部の巾方向の間隙の封止に
優れ、樹脂組成物の係合素子側への流入を確実に阻止す
ることがでる。従来のものと比較して細巾の係止部材で
あっても、表面全面に係合素子を配することができ、被
覆体を強固に固定できる。クッションの細くて深い凹部
に本係止部材を使用すれば、シートカバーをクッション
に吊り込むように固定でき、クッションの表面に密接し
てシートカバーを装着し、風合いの優れたシートが得ら
れる。また、生産性、安全性および作業性にも優れたも
のとなり、しかも、リサイクルが可能で公害問題の発生
も防止できる。As described above, the locking member for mold-in molding of the present invention can be easily and securely held in the concave portion in the molding die, and is excellent in sealing the gap in the width direction of the concave portion of the molding die. In addition, it is possible to reliably prevent the resin composition from flowing into the engagement element. Even if the locking member is narrower than the conventional one, the engaging element can be arranged on the entire surface, and the cover can be firmly fixed. If the permanent locking member is used in the thin and deep concave portion of the cushion, the seat cover can be fixed so as to be hung on the cushion, and the seat cover is attached in close contact with the surface of the cushion, so that a sheet with excellent texture can be obtained. In addition, productivity, safety and workability are excellent, and recyclability is possible, thereby preventing the occurrence of pollution problems.
【図1】本発明に係るモールドイン成形用係止部材の1
例を示す斜視図である。FIG. 1 shows a locking member for mold-in molding according to the present invention.
It is a perspective view showing an example.
【図2】図1の係止部材のX、X線における断面図であ
る。FIG. 2 is a cross-sectional view of the locking member of FIG.
【図3】本発明に係る係止部材をモールドイン成形型に
嵌着した状態を示す断面模式図である。 FIG. 3 is a schematic cross-sectional view showing a state where the locking member according to the present invention is fitted to a mold-in mold .
【図4】本発明に係る樹脂成形体の1例の構造を示す部
分断面図である。FIG. 4 is a partial sectional view showing the structure of an example of a resin molded body according to the present invention.
【図5】本発明に係る係止部材の他の例を示す斜視図で
ある。FIG. 5 is a perspective view showing another example of the locking member according to the present invention.
【図6】本発明の係止部材に設けられる突条のさらに他
の例を示す断面図である。FIG. 6 is a cross-sectional view showing still another example of a ridge provided on the locking member of the present invention.
【図7】従来の係止部材を示す断面図である。FIG. 7 is a sectional view showing a conventional locking member.
1…係止部材の基板、2…係合素子、3…突条、4…埋
設要素、5…成形型、6…成形型凹部、7…凹部内壁
面、8…樹脂供給装置、9…成形材料(樹脂組成物)、
10…折り曲げ片、11…折り曲げ線、12…シート、
13…クッション、14…シートカバー、15…溝、1
6…係止部材、17…被係合素子、18…膨大部、19
…中間突出部DESCRIPTION OF SYMBOLS 1 ... Board | substrate of a locking member, 2 ... Engagement element, 3 ... Protrusion, 4 ... Embedding element, 5 ... Molding die, 6 ... Molding recessed part, 7 ... Recess inner wall surface, 8 ... Resin supply device, 9 ... Molding Material (resin composition),
10: bending piece, 11: bending line, 12: sheet,
13: cushion, 14: seat cover, 15: groove, 1
6: locking member, 17: engaged element, 18: enlarged part, 19
… Intermediate protrusion
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平5−192939(JP,A) 実開 平6−64825(JP,U) 実開 平4−69113(JP,U) (58)調査した分野(Int.Cl.7,DB名) A44B 18/00 A47C 7/18 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-5-192939 (JP, A) JP-A-6-64825 (JP, U) JP-A-4-69113 (JP, U) (58) Survey Field (Int. Cl. 7 , DB name) A44B 18/00 A47C 7/18
Claims (4)
ナーテープであって、該ファスナーの巾側両端に長さ方
向に基板の裏面に立ち上がる突条を有し、該突条の最外
側部が基板巾側端部より約0.3ないし約5mm外側に
突出することを特徴とするモールドイン成形用係止部
材。 1. A hook-and-loop fastener tape having an engaging element on the surface of a substrate, having ridges standing on the back surface of the substrate in the length direction at both ends on the width side of the fastener, and the outermost portion of the ridges Are protruded outward by about 0.3 to about 5 mm from the end of the width of the substrate .
有するモールドイン成形用係止部材。2. A have your claim 1, mold-in molding engaging member having an enlarged portion at an end portion of the ridge.
面ファスナーテープの裏面に埋設要素を有するモールド
イン成形用係止部材。3. The claim 1 or 2,
A locking member for mold-in molding having a buried element on the back surface of the hook-and-loop fastener tape.
止部材を、その表面の係合素子が成形型の凹部に当接す
るように該凹部に嵌着し、係止部材の該突条で成形型の
凹部の壁面と係止部材の間隙を実質的に封止し、成形型
に樹脂組成物を導入することからなる係止部材付き樹脂
成形体の製造方法。4. The locking member for molding according to claim 1, wherein the engaging element on the surface is fitted in the concave portion so that the engaging element on the surface thereof contacts the concave portion of the molding die. A method for producing a resin molded body with a locking member, comprising substantially sealing a gap between a wall surface of a concave portion of a molding die and a locking member with a strip, and introducing a resin composition into the molding die.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP06284625A JP3128444B2 (en) | 1994-11-18 | 1994-11-18 | Locking member for mold-in molding and method for manufacturing resin molded body using the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP06284625A JP3128444B2 (en) | 1994-11-18 | 1994-11-18 | Locking member for mold-in molding and method for manufacturing resin molded body using the same |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH08140713A JPH08140713A (en) | 1996-06-04 |
JP3128444B2 true JP3128444B2 (en) | 2001-01-29 |
Family
ID=17680893
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP06284625A Expired - Fee Related JP3128444B2 (en) | 1994-11-18 | 1994-11-18 | Locking member for mold-in molding and method for manufacturing resin molded body using the same |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3128444B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101467294B1 (en) * | 2014-08-04 | 2014-12-01 | (주)일광인더스트리 | Fastener Tape for Seat Pad |
KR200496571Y1 (en) * | 2021-01-26 | 2023-02-28 | 이재순 | Pants chair having tactile and optical illusion effects |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6460230B2 (en) * | 2000-01-12 | 2002-10-08 | Kuraray Co., Ltd. | Mold-in fastening member and production of molded resin article having mold-in fastening member |
KR101979821B1 (en) * | 2012-09-14 | 2019-05-20 | 송위현 | Fastener having improved adhesiveness |
JP7017215B2 (en) * | 2016-12-06 | 2022-02-08 | クラレファスニング株式会社 | Molded surface fastener with excellent peeling durability |
-
1994
- 1994-11-18 JP JP06284625A patent/JP3128444B2/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101467294B1 (en) * | 2014-08-04 | 2014-12-01 | (주)일광인더스트리 | Fastener Tape for Seat Pad |
KR200496571Y1 (en) * | 2021-01-26 | 2023-02-28 | 이재순 | Pants chair having tactile and optical illusion effects |
Also Published As
Publication number | Publication date |
---|---|
JPH08140713A (en) | 1996-06-04 |
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