JPS62211110A - Molding process for trimming parts of vehicle - Google Patents
Molding process for trimming parts of vehicleInfo
- Publication number
- JPS62211110A JPS62211110A JP61052584A JP5258486A JPS62211110A JP S62211110 A JPS62211110 A JP S62211110A JP 61052584 A JP61052584 A JP 61052584A JP 5258486 A JP5258486 A JP 5258486A JP S62211110 A JPS62211110 A JP S62211110A
- Authority
- JP
- Japan
- Prior art keywords
- clip
- fitting
- holes
- sealing material
- piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title abstract description 4
- 238000000465 moulding Methods 0.000 title description 6
- 238000009966 trimming Methods 0.000 title 1
- 239000004927 clay Substances 0.000 claims abstract description 19
- 239000003566 sealing material Substances 0.000 claims abstract description 15
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000011162 core material Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 20
- 229910052742 iron Inorganic materials 0.000 abstract description 10
- 239000002390 adhesive tape Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract description 2
- 238000005452 bending Methods 0.000 abstract 1
- 239000012792 core layer Substances 0.000 description 5
- 235000021189 garnishes Nutrition 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000006260 foam Substances 0.000 description 2
- 239000002966 varnish Substances 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (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、クリップ取付部片をインサート成形によって
芯材に取付ける車両用内装部品、例えば自動車のが−ニ
ツシュ類の製造方法に関するものであシ、合成樹脂の成
形加工業界で利用されるものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for manufacturing vehicle interior parts, such as automobile interior parts, in which a clip attachment piece is attached to a core material by insert molding. , which is used in the synthetic resin molding industry.
第３Ａ図乃至３Ｇ図は自動車のピラーガ一二ツシ、に関
する従来技術説明図であｆｉ、 ３Ａ図に示す如くピラ
ーが−ニツシュにインサートする補強用鉄板１００には
、適所にクリップ取付部１０１゜１０１’ 、 ｌ Ｏ
１’をしぼシ加工によシ膨出形成している。そして３８
．３Ｃ図から明らかな如く膨出形成したクリップ取付部
にはクリップを挿入係止する友めの取付用孔１１２ 、
１１２’を形成している。そして第３Ａ図の鉄板１００
を第３Ｆ図の如く、上型Ａには、スプレーやはけ塗膜等
で塗膜（底皮層）１０２を形成しておき、下型Ｂには、
芯材になる鉄板ｌＯＯを膨出したクリップ取付部１０１
．１０１’ ｅ １０１’のみが当接するようにセット
した後型締めし、キャビティ内に半硬質ウレタンを注入
成形して鉄板１００のクリップ取付部１０１ 、１０１
’ 、 １０１’のみが表出した状態の鉄板人シビラー
ガーニクシュを形成し、脱型後にクリップ取付部１０１
．１０１’、１０１’の取付用孔１１２ 、１１２’を
覆っている半硬質ウレタンを。Figures 3A to 3G are explanatory diagrams of the prior art related to the pillar guard of an automobile.As shown in Figure 3A, a reinforcing iron plate 100 inserted into the pillar is provided with clip attachment portions 101 and 101 at appropriate locations. ' , l O
1' is embossed to form a bulge. and 38
．． As is clear from Fig. 3C, the bulging clip mounting portion has a companion mounting hole 112 for inserting and locking the clip.
112'. and iron plate 100 in Figure 3A.
As shown in Fig. 3F, a coating film (bottom skin layer) 102 is formed on the upper mold A by spraying or brushing, and on the lower mold B,
Clip attachment part 101 with a bulged iron plate lOO serving as the core material
．． After setting so that only 101' e 101' are in contact with each other, the mold is clamped, and semi-hard urethane is injected into the cavity to form the clip attachment parts 101 , 101 of the iron plate 100 .
``, 101'' is exposed, and after demolding, the clip attachment part 101 is formed.
．． Semi-hard urethane covering the mounting holes 112 and 112' of 101' and 101'.
手でちぎシ取った夛ナイフで切シ取りたシして取シ除い
て、第３Ｄ、３ｇ図の如きクリップ１１０゜１１０′等
が３Ｇ図の如く取付用孔１１２から挿入嵌着出来るよう
にしていた。Cut it by hand and remove it with a knife so that the clips 110° and 110' as shown in Figures 3D and 3G can be inserted and fitted through the mounting hole 112 as shown in Figure 3G. was.
上述の従来品にあっては、インサートする鉄板がピラー
ガーニッシュ全体の芯板、即ち、製品形状と略同−の芯
板であって大きい次め、製品自体のＸ量が大でありコス
トが高くつく上に、製造時に、クリップ取付部１０１，
１０１’、１０１’の開口部１１２，１１２’には半硬
質ウレタンが第３Ｆ図上型側からまわり込み、場合によ
っては（注入圧力が強い場合）下型Ｂと鉄板１００との
隙間から入り込むこともあり、開口部１１２ ＃ １１
２’をふさいでしまうので、脱型後に手間のかかる穴開
は作業を行なって、クリップ１１０ 、 ｌ １０’が
我人出来るようにする必要があった。In the conventional product described above, the iron plate to be inserted is the core plate of the entire pillar garnish, that is, the core plate is approximately the same as the product shape, and is large, and the product itself has a large amount of X, resulting in high cost. In addition, during manufacturing, the clip attachment part 101,
Semi-rigid urethane may enter the openings 112, 112' of 101' and 101' from the upper mold side in FIG. There is also opening 112 #11
2' would be blocked, so it was necessary to perform a time-consuming hole drilling operation after demolding so that the clips 110 and 110' could be made by oneself.
〔問題点を解決するための手段及び作用〕第１８．ＩＣ
図の如く、クリップ取付用孔１２゜１２′を穿設し、且
つ両端末を内側に折）曲げたクリップ取付部片１に、ク
リップ取付用孔をふさぐようにシール材５を当接し、次
いで第１Ｄ図の如くシール材５を維持すると共にクリッ
プが差し込める領域を確保するように粘土７をクリップ
取付部片に付着保持し、次いで型内にセットしてクリッ
プ取付用孔が表出し、両端末の折り曲げ部や粘土が埋設
する状態に、芯材４の適所にインサート成形し、脱型後
にシール材５を取付用孔１２から抜き取る製造方法によ
って従来の間助点を解決するようにした。[Means and actions for solving problems] No. 18. IC
As shown in the figure, a sealing material 5 is brought into contact with a clip mounting piece 1 with a clip mounting hole 12° 12' formed and both ends bent inward, so as to close the clip mounting hole, and then As shown in Fig. 1D, clay 7 is adhered and held on the clip attachment piece so as to maintain the sealing material 5 and secure an area into which the clip can be inserted, and then set it in the mold so that the clip attachment hole is exposed and both The conventional drawbacks are solved by a manufacturing method in which insert molding is performed at a proper position of a core material 4 in a state where the bent part of the terminal or clay is buried, and the sealing material 5 is extracted from the mounting hole 12 after demolding.
この製造方法によれば、取付用孔の外面は型面に当接し
、且つ内面はシール材及び粘土で被榎されているのでイ
ンサート成形時に取付用孔が注入樹脂材でふさがれるこ
とはなく、脱型後にシール材を取付用孔から引き出して
除去するだけでクリップ挿入嵌着穴が形成出来る。According to this manufacturing method, the outer surface of the mounting hole is in contact with the mold surface, and the inner surface is covered with sealant and clay, so the mounting hole is not blocked by the injected resin material during insert molding. A clip insertion hole can be formed by simply pulling out and removing the sealing material from the mounting hole after demolding.
クリップ取付部片は、両端末の折曲片が芯材に埋設して
いるためにしっかり固定される。The clip attachment piece is firmly fixed because the bent pieces at both ends are embedded in the core material.
クリップ取付部片が製品の適所にインサート体として埋
設されるのみであるから、インサート体による製品の重
量増加を小さく出来る。Since the clip attachment piece is simply buried as an insert body in a proper location of the product, the increase in weight of the product due to the insert body can be reduced.
本実施例は第１Ａ図に示すピラーガーニッシュの製造に
関するものであって、第１Ｃ図に示す如く、鉄板のしば
り加工によＦ）ａ、ｂｌｃ、ｄの４傾斜面と平坦上面ｆ
、上面の方形のクリップの取付用孔１２′、及び上面か
ら傾斜面Ｃの上半にわたるクリップ取付用孔１２を形成
し、傾斜面ａ、ｂ両端末に内側折曲片１１．ｘｉを形成
してクリップ取付部片１を作成した。This example relates to the manufacture of the pillar garnish shown in Fig. 1A, and as shown in Fig. 1C, four inclined surfaces F) a, blc, and d and a flat upper surface f are formed by binding the iron plate.
, a rectangular clip attachment hole 12' on the upper surface, and a clip attachment hole 12 extending from the upper surface to the upper half of the inclined surface C, and inner bent pieces 11. xi was formed to create the clip attachment piece 1.
クリップ取付部片ｌと同様に、鉄板のしぼシ加工によっ
てクリップ取付部片１′及びｌＮを作成した。Similar to clip attachment piece 1, clip attachment pieces 1' and IN were created by crimp iron plates.
各取付部片１．１’、１”はクリップ取付用孔の配置形
状に差異があるだけである。Each mounting piece 1.1', 1'' differs only in the arrangement of the clip mounting holes.
次にこれらクリップ取付部片１，１’＄１’のそれぞれ
に、第１Ｄ図に示す如く、該取付用孔１２′。Next, each of these clip attachment pieces 1, 1'$1' is provided with the attachment hole 12', as shown in FIG. 1D.
１２０鳴Ｗｌよりやや広い幅Ｗ３で両方の孔１２′。Both holes 12' have a width W3 slightly wider than 120 ring Wl.
１２を同時に覆う長さのゴムテープを、シール材５とし
て取付部片ｌの内側から当接して両孔１２′。A rubber tape having a length that simultaneously covers both holes 12' is used as a sealing material 5 and is brought into contact with the mounting piece l from the inside.
１２をふさぎ、更に柔らかい粘土７の塊を、取付部片ｌ
内側からゴムテープを覆い、且つクリップが差し込める
領域を確保する形態に押し付けて接着テープ６によって
粘土塊が落ちないように保持した。12, and then add a lump of soft clay 7 to the mounting piece l.
The clay lump was held by the adhesive tape 6 so that it would not fall off by covering it with rubber tape from the inside and pressing it in such a manner as to ensure an area into which a clip could be inserted.
次に得られた粘土付きの各クリップ取付用部片を所定間
隔離して型内にセットした。第２図は取付部片１につい
ての作用説明図であるが各取付部片とも同様である。Next, each of the obtained clay-coated clip attachment pieces was separated for a predetermined period and set in a mold. Although FIG. 2 is an explanatory view of the operation of the mounting piece 1, the same applies to each of the mounting pieces.
図ト）の如く下型Ｂにはスラッシュ表皮３及びスラッシ
ュ発泡層２を積層形成しておき、上型Ａにはクリップ取
付部片の平坦上面ｆと各傾斜面ａ。As shown in Figure 3), a slash skin 3 and a slash foam layer 2 are laminated on the lower mold B, and the upper mold A has a flat upper surface f and each inclined surface a of the clip attachment piece.
ｂ、ｃ、ｄの路上半部を密着セットした。型締め後図（
ｂ）に示す如く、キャビティＣ内に硬質ウレタンを注入
成形し、冷却後図（ｃ）の如く型を開いて成形品を取出
した。第１Ａ図は脱塵したピラーガーニッシュＧでアシ
、第１Ｂ図からも明らかな如く、クリップ取付部片は、
上面ｆと各傾斜ａ、ｂ、ｃ。The road halves of b, c, and d were set in close contact. View after mold clamping (
As shown in Fig. b), hard urethane was injected into the cavity C, and after cooling, the mold was opened as shown in Fig. (c) and the molded product was taken out. Figure 1A shows the pillar garnish G after removing dust, and as is clear from Figure 1B, the clip attachment piece is
Top surface f and each slope a, b, c.
ｄの上半部とが表出しているだけで他は硬質ウレタンで
成形されたコア層４に埋設した状態に一体成形した。It was integrally molded in such a way that only the upper half d was exposed and the rest was embedded in the core layer 4 made of hard urethane.
第１Ａ図のピラーガーニッシュは、第２Ｄ図に示す如く
ゴムテープ５をクリップ取付用孔１２から引き出して除
去し、慣用の例えば第３Ｄ、３Ｅ図に示す如き係止部１
１０’、１１０”を備えたクリップ取付用孔１２から粘
土塊に押し込んで孔１２′と係止部１１０’とを係止し
て取付けた後、クリソ７’ｌｌＯを介して慣用の手段で
自動車のピラーに嵌着した。The pillar garnish shown in FIG. 1A is removed by pulling out the rubber tape 5 from the clip attachment hole 12 as shown in FIG.
10' and 110'' into the clay lump, and the hole 12' and the locking part 110' are locked and installed, and then the clip is attached to the car by conventional means via the chryso 7'llO. It fitted into the pillar.
硬質ウレタン注入時に、粘土塊のためにエアーが谷りリ
ッグ取付部片の内側凹部にこもらなくなった０
クリップ取付部片の取付用孔への硬質ウレタンの下ｇＢ
側からの入り込みが完全に防止出来、上型Ａとクリップ
取付部片の各傾斜面ａ、ｂ、ｃ。When hard urethane was injected, air was no longer trapped in the inner recess of the rig mounting piece due to clay lumps.
Entrance from the sides can be completely prevented, and each sloped surface a, b, c of the upper mold A and the clip attachment piece.
ｄとの隙間から少量の硬質ウレタンが入シ込んだ場合で
すら、ゴムテープ５によりて取付用孔１２゜１２′の確
保が出来た。Even in the case where a small amount of hard urethane entered through the gap between d and d, a mounting hole of 12° 12' could be secured with the rubber tape 5.
ゴムシートは接着力のない柔らかな粘土塊によって支承
したため容易に引き抜けた。粘土が柔らかいため取ｐ出
すことなくそのままクリップが嵌め込め次。The rubber sheet was supported by a soft clay lump with no adhesive strength, so it was easily pulled out. Because the clay is soft, the clip can be inserted without removing it.
本発明は上述の実施例の外、シール材としては、粘土に
くっつかなく、且つ取付用孔の開口部から抜き出せる程
度に柔らかく、且つ簡単にちぎれない物であれば良く、
例えばフェルトでも利用可能である。In addition to the above-mentioned embodiments, the present invention is also applicable to the sealing material as long as it does not stick to the clay, is soft enough to be pulled out from the opening of the mounting hole, and is not easily torn.
For example, felt can also be used.
またクリップ取付部片は、所定の強度を有しコア層に強
固に埋設可能の材質であれば同効機能を奏し、例えば繊
維強化プラスチックス製でも良い。Further, the clip attachment piece can have the same function as long as it is made of a material that has a predetermined strength and can be firmly embedded in the core layer, and may be made of fiber-reinforced plastic, for example.
また芯材４としては、成形性、保形性及び強度の面で要
求を満たせば良いのであって、硬質ウレタン以外の適切
なプラスチックスの適用が可能である。Further, as the core material 4, it is sufficient to meet the requirements in terms of moldability, shape retention, and strength, and appropriate plastics other than hard urethane can be used.
プラスチックスコア層にクリップ取付部片を部分的にイ
ンサート成形し次ため著しい軽量化が達成出来、ゴス１
ダウンも達成出来る。By partially insert-molding the clip attachment piece into the plastic score layer, a significant weight reduction can be achieved, making Goss 1
Down can also be achieved.
シール材５をクリップ取付部片の取付用孔にはめてコア
層を成形するため注入植月すによる取付用孔の閉塞が防
止出来、シール材を粘土で支承しているため、シール材
の引き抜きが容易に達成出来る。The sealing material 5 is inserted into the mounting hole of the clip mounting piece to form the core layer, which prevents the mounting hole from being blocked by the injection molding.Since the sealing material is supported by clay, it is easy to pull out the sealing material. can be easily achieved.
クリップ取付部片の両端末の折曲片が、クリップ取付部
片とコア層との強固な結合を可能にする。The bent pieces at both ends of the clip attachment piece enable a strong connection between the clip attachment piece and the core layer.
クリップ取付部片の内側凹部に粘土を保持して成形する
ため、クリップ取付部片内側凹部にエアーがこもらない
。Since clay is held and molded in the inner recess of the clip attachment piece, air is not trapped in the inner recess of the clip attachment piece.
第１Ａ図は、本発明によって得られたピ２−が一二ツシ
ュの裏面斜視図でらシ第１Ｂ図は、第１Ａ因のＸ−Ｘ断
面図であシ、第１Ｃ図はクリップ取付部片の斜視図で１
）、第１Ｄ図は粘土を保持した状態を示すクリップ取付
部片断面図である。
第２図に、本発明の各工程を示すもので、（、）は型に
設置した状態を、（ｂ）は硬質ウレタン注入状態を、（
ｃ）は脱呈状態を、（ｄ）はゴムシールを除去する状態
を示している。第３図は従来技術の説明図であって、第
３Ａ図は芯材鉄板の裏面斜視図、第３Ｂ図は芯材鉄板の
部分拡大斜視図、第３Ｃ図は第３Ａ図のＹ−Ｙ断面図、
第３Ｄ図はクリップ斜視図、第３Ｅ図は変形クリップ斜
視図、第３Ｆ図は成形状態図、第３Ｇ図はクリップ取付
状態の部分断面図である。
ｌｔｌ’ｔｌ’：クリップ取付部片、２ニスラッシュ発
泡膚、３ニスラッシュ表皮、４：コア層、５：ゴムシー
ル、６：接着テープ、７：粘土、１１：折曲片、１２，
１２’：クリップ取付用孔。
第１Ｂ図
Ｂ
（ａ）型に設置する
Δ
０°’）ＰＩＵＱ 第２図Fig. 1A is a rear perspective view of the pin 2-12 bushing obtained by the present invention, Fig. 1B is a sectional view taken along the line X-X of Fig. 1A, and Fig. 1C is a clip attachment section. 1 in perspective view of piece
), FIG. 1D is a sectional view of the clip attachment part showing a state in which clay is held. Fig. 2 shows each process of the present invention, (,) shows the state installed in the mold, (b) shows the state in which hard urethane is injected, and (
c) shows the state in which the rubber seal is removed, and (d) shows the state in which the rubber seal is removed. Fig. 3 is an explanatory diagram of the prior art, in which Fig. 3A is a rear perspective view of a core iron plate, Fig. 3B is a partially enlarged perspective view of a core iron plate, and Fig. 3C is a Y-Y cross section of Fig. 3A. figure,
FIG. 3D is a perspective view of the clip, FIG. 3E is a perspective view of the modified clip, FIG. 3F is a diagram of the molded state, and FIG. 3G is a partial sectional view of the clip in the attached state. ltl'tl': Clip attachment piece, 2 varnish foam skin, 3 varnish skin, 4: core layer, 5: rubber seal, 6: adhesive tape, 7: clay, 11: bent piece, 12,
12': Clip attachment hole. Figure 1B B (Δ 0°') PIUQ installed in type (a) Figure 2
Claims (1)
に端末を内側に折り曲げて折曲片（１１）を形成したク
リップ取付部片（１、１′、１″）に、該取付用孔（１
２、１２′）を覆うようにシール材（５）をはめ込み、
シール材（５）を覆い且つクリップが差し込める領域を
確保する粘土（７）をクリップ取付部片の内側に保持し
、次いで型内にセットして、クリップ取付用孔は表出し
、且つ折曲片（１１）及び粘土（７）は埋設した状態に
、プラスチックス成形芯材（４）の適所にインサート成
形し、脱型後にシール材（５）を取付用孔から抜き取る
ことを特徴とする車両用内装部品の製造方法。 ２、芯材（４）が硬質ウレタンである特許請求の範囲第
１項記載の製造方法。[Scope of Claims] 1. Clip attachment pieces (1, 1', 1'') with clip attachment holes (12, 12') formed and whose ends are bent inward to form bent pieces (11). ) into the mounting hole (1
Insert the sealing material (5) so as to cover the
Clay (7) that covers the sealing material (5) and secures an area into which the clip can be inserted is held inside the clip attachment piece, and then set in the mold so that the clip attachment hole is exposed and bent. A vehicle characterized in that the piece (11) and the clay (7) are buried and insert-molded in the appropriate position of the plastic molded core material (4), and the sealing material (5) is extracted from the mounting hole after demolding. Manufacturing method for interior parts. 2. The manufacturing method according to claim 1, wherein the core material (4) is hard urethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61052584A JPS62211110A (en) | 1986-03-12 | 1986-03-12 | Molding process for trimming parts of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61052584A JPS62211110A (en) | 1986-03-12 | 1986-03-12 | Molding process for trimming parts of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62211110A true JPS62211110A (en) | 1987-09-17 |
Family
ID=12918843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61052584A Pending JPS62211110A (en) | 1986-03-12 | 1986-03-12 | Molding process for trimming parts of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62211110A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01136705U (en) * | 1988-03-11 | 1989-09-19 | ||
| JP2019014217A (en) * | 2017-07-11 | 2019-01-31 | トヨタ紡織株式会社 | Manufacturing method of seat cushion material, and foaming mold for manufacturing the same |
-
1986
- 1986-03-12 JP JP61052584A patent/JPS62211110A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01136705U (en) * | 1988-03-11 | 1989-09-19 | ||
| JPH0449365Y2 (en) * | 1988-03-11 | 1992-11-20 | ||
| JP2019014217A (en) * | 2017-07-11 | 2019-01-31 | トヨタ紡織株式会社 | Manufacturing method of seat cushion material, and foaming mold for manufacturing the same |
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