JPH11192654A - Hollow double-wall structure - Google Patents
Hollow double-wall structureInfo
- Publication number
- JPH11192654A JPH11192654A JP36950297A JP36950297A JPH11192654A JP H11192654 A JPH11192654 A JP H11192654A JP 36950297 A JP36950297 A JP 36950297A JP 36950297 A JP36950297 A JP 36950297A JP H11192654 A JPH11192654 A JP H11192654A
- Authority
- JP
- Japan
- Prior art keywords
- wall
- hollow double
- reinforcing member
- shaped reinforcing
- walled structure
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/20—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements
- B29C2049/2017—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements outside the article
Landscapes
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、熱可塑性プラスチ
ックをブロー成形することにより得られる中空二重壁構
造体に関する。The present invention relates to a hollow double-walled structure obtained by blow molding a thermoplastic.
【０００２】[0002]
【従来の技術】従来から、建築物の内装壁、パーティシ
ョン、扉、あるいは自動車のフロアトランクリッドやリ
ヤーパーセルシュエルフなどを構成するプラスチック製
の中空二重壁構造体において、中空部内に形成するイン
ナーリブに平板状でかつ曲面状の棒状体をインサートす
ることにより、強度および剛性を向上させる技術は、特
開平９−１５５９５７号公報に記載されている。2. Description of the Related Art Conventionally, an inner wall formed in a hollow portion of a plastic hollow double-walled structure constituting an interior wall, a partition, a door of a building, a floor trunk lid or a rear parcel elf of an automobile or the like. A technique for improving strength and rigidity by inserting a flat and curved rod into a rib is described in Japanese Patent Application Laid-Open No. 9-155957.
【０００３】[0003]
【発明が解決しようとする課題】前掲の特開平９−１５
５９５７号公報に記載されている技術は、本出願人が開
発したものであるが、その後の検討の結果、主にブロー
成形上、次のような問題点のあることが分かった。SUMMARY OF THE INVENTION The above-mentioned Japanese Patent Application Laid-Open No. 9-15 / 1997
The technology described in Japanese Patent No. 5957 was developed by the present applicant, but as a result of subsequent studies, it has been found that the following problems mainly exist in blow molding.
【０００４】すなわち、特開平９−１５５９５７号公報
に記載されているものは、ブロー成形される中空二重壁
構造体にインサートされる棒状体が金属製であるが、樹
脂材料は金属に比して冷却収縮率が著しく大きいので、
ブロー成形後に中空二重壁構造体が冷却する過程で生じ
る冷却収縮が、インサートされている棒状体によって部
分的に妨げられる現象を呈し、この冷却収縮差が変形歪
みの原因となることである。That is, in Japanese Patent Application Laid-Open No. 9-155957, a rod-shaped body inserted into a blow-molded hollow double-walled structure is made of metal. The cooling shrinkage is extremely large,
The cooling shrinkage generated in the process of cooling the hollow double-walled structure after blow molding exhibits a phenomenon that is partially hindered by the inserted rod-shaped body, and this difference in cooling shrinkage causes deformation distortion.
【０００５】また、この種の中空二重壁構造体のよう
に、プラスチックの成形体に金属製の棒状体をインサー
トしたものにおいては、その廃棄処理時に、材料の再生
利用のうえからプラスチック材と金属材とに分ける処理
が求められるが、前掲従来のものでは、金属製の棒状体
がプラスチックの成形体の内部に完全に埋没しているう
え金属製の棒状体が外側から全く見えないので、プラス
チック材から金属製の棒状体を分別する作業は容易でな
い。[0005] Further, in a case where a metal rod is inserted into a plastic molded body, such as a hollow double-walled structure of this kind, a plastic material is used at the time of disposal after recycling of the material. Although it is required to separate the metal rod from the metal, the conventional rod is completely buried inside the plastic molded body and the metal rod is not visible from the outside at all. It is not easy to separate a metal rod from a plastic material.
【０００６】そこで、本発明は、上述のような課題を解
決しようとするものであって、中空二重壁構造体の強度
および剛性を高くする棒状補強部材として合成樹脂製の
ものを用いるとともに、棒状補強部材と中空二重壁構造
体と一体の上記棒状補強部材の周囲を包囲する包囲壁と
の間に断熱材を介在させることにより、ブロー成形時の
熱によって棒状補強部材が変形するのを防止し、棒状補
強部材が合成樹脂製であってもその補強部材としての機
能が損なわれず、ブロー成形中はもとより成形後の冷却
収縮による変形歪みを生じない中空二重壁構造体を得る
ことを目的とする。In view of the above, the present invention is to solve the above-mentioned problems, and uses a synthetic resin-made rod-shaped reinforcing member for increasing the strength and rigidity of the hollow double-walled structure. By interposing a heat insulating material between the rod-shaped reinforcing member and the surrounding wall surrounding the rod-shaped reinforcing member integral with the hollow double-walled structure, the deformation of the rod-shaped reinforcing member due to heat during blow molding can be prevented. It is possible to obtain a hollow double-walled structure that does not lose its function as a reinforcing member even when the bar-shaped reinforcing member is made of a synthetic resin, and does not generate deformation distortion due to cooling shrinkage after molding as well as during blow molding. Aim.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するた
め、本発明に係る中空二重壁構造体は、表壁と、表壁に
間隔をおいて対向する裏壁と、表壁および裏壁との間に
中空部を形成する周囲壁とで構成される中空二重壁構造
体であって、中空部内には合成樹脂の棒状補強部材が配
設されるとともに、棒状補強部材の周囲は、少なくとも
裏壁と一体に連なる包囲壁で包囲されており、棒状補強
部材と包囲壁との間には断熱材が介在していることを特
徴とするものである。In order to achieve the above object, a hollow double-walled structure according to the present invention comprises a front wall, a back wall opposed to the front wall at an interval, a front wall and a back wall. And a peripheral wall forming a hollow portion between the hollow wall portion and a hollow reinforcing member, and a synthetic resin rod-shaped reinforcing member is provided in the hollow portion, and the periphery of the rod-shaped reinforcing member is It is surrounded by at least a surrounding wall integrally connected to the back wall, and a heat insulating material is interposed between the bar-shaped reinforcing member and the surrounding wall.
【０００８】本発明に係る中空二重壁構造体において
は、それぞれ次のように構成するのが好適である。すな
わち、断熱材は、発泡樹脂で成ること、棒状補強部材
は、中空二重壁構造体と同材質の樹脂で成ること、包囲
壁は、棒状補強部材の両端部を包囲する構成であるこ
と、棒状補強部材の両端部と包囲壁との間に断熱材を介
在させること、中空二重壁構造体の表面に繊維シートを
貼着して成ることである。The hollow double-walled structure according to the present invention is preferably configured as follows. That is, the heat insulating material is made of a foamed resin, the bar-shaped reinforcing member is made of a resin of the same material as the hollow double-walled structure, and the surrounding wall is configured to surround both ends of the bar-shaped reinforcing member. A heat insulating material is interposed between both ends of the bar-shaped reinforcing member and the surrounding wall, and a fiber sheet is adhered to the surface of the hollow double-walled structure.
【０００９】[0009]
【発明の実施の形態】図１、図２および図３は本発明の
一実施の形態に係る中空二重壁構造体を示し、図１は表
面側から見た斜視図、図２は裏面側から見た斜視図、図
３は図２のＡ−Ａ線拡大断面図である。FIG. 1, FIG. 2 and FIG. 3 show a hollow double-wall structure according to an embodiment of the present invention. FIG. 1 is a perspective view seen from the front side, and FIG. FIG. 3 is an enlarged sectional view taken along line AA of FIG.
【００１０】また、図４、図５および図６は本発明の他
の実施の形態に係る中空二重壁構造体を示し、図４は裏
面側から見た斜視図、図５は図４のＢ−Ｂ線拡大断面
図、図６は図４のＣ−Ｃ線拡大断面図である。FIGS. 4, 5 and 6 show a hollow double-walled structure according to another embodiment of the present invention. FIG. 4 is a perspective view seen from the back side, and FIG. FIG. 6 is an enlarged sectional view taken along line CC of FIG. 4.
【００１１】図１および図２において、１は中空二重壁
構造体である。この中空二重壁構造体１はパネル状を成
しており、２は表壁、３は裏壁、４は周囲壁であって、
図３に示すように、表壁２に対して裏壁３は間隔をおい
て対向しており、周囲壁４によって表壁２および裏壁３
との間に中空部５が形成されている。表壁２の表面には
繊維シート６が貼着されている。繊維シート６は中空二
重壁構造体１の意匠的効果を高め、かつ感触性を良く
し、外観性を向上させるためのものである。1 and 2, reference numeral 1 denotes a hollow double-walled structure. The hollow double-walled structure 1 has a panel shape, 2 is a front wall, 3 is a back wall, 4 is a peripheral wall,
As shown in FIG. 3, the back wall 3 is opposed to the front wall 2 at a distance, and the front wall 2 and the back wall 3 are
And a hollow portion 5 is formed between them. A fiber sheet 6 is adhered to the surface of the front wall 2. The fiber sheet 6 is for enhancing the design effect of the hollow double-walled structure 1, improving the feel, and improving the appearance.
【００１２】上記中空二重壁構造体１の中空部５内に
は、２本の真っ直ぐな棒状補強部材７が配設されるとと
もに、この棒状補強部材７は裏壁３と一体に連なる包囲
壁８でその周面が全長にわたって包囲されている。図示
の実施の形態では、裏壁３と一体の包囲壁８が表壁２に
も溶着一体化されている。In the hollow portion 5 of the hollow double-walled structure 1, two straight bar-shaped reinforcing members 7 are disposed, and the bar-shaped reinforcing members 7 are integrally formed with the back wall 3. At 8 the circumference is surrounded over the entire length. In the illustrated embodiment, the surrounding wall 8 integral with the back wall 3 is also welded and integrated with the front wall 2.
【００１３】棒状補強部材７は略角筒状を成しており、
その両面の包囲壁８と接合する部分にそれぞれ突条９を
有している。この両面の突条９との間にわたって棒状補
強部材７の表面を覆う断熱材１０が貼着され、棒状補強
部材７と包囲壁８との間には断熱材１０が介在されてい
る。The bar-shaped reinforcing member 7 has a substantially rectangular cylindrical shape.
Protrusions 9 are provided at portions of the two surfaces that are joined to the surrounding wall 8. A heat insulating material 10 covering the surface of the bar-shaped reinforcing member 7 is attached between the projecting ridges 9 on both surfaces, and the heat insulating material 10 is interposed between the bar-shaped reinforcing member 7 and the surrounding wall 8.
【００１４】図４、図５および図６には、本発明の他の
実施の形態が示されている。この実施の形態において
は、棒状補強部材７がパイプ状を成している。そして、
このパイプ状の棒状補強部材７の表面には円筒状の断熱
材１０で覆われ、裏壁３と一体を成す包囲壁８は棒状補
強部材７の全周囲を断熱材１０を介して包囲している。
包囲壁８の裏壁３側は立上り部１１を成し、かつ表壁２
側は溶着部１２を成しているとともに一体化されてい
る。立上り部１１は裏壁３から一体に形成される包囲壁
８が互いに溶着して厚肉状に形成されており、１３はそ
の溶着部である。FIGS. 4, 5 and 6 show another embodiment of the present invention. In this embodiment, the bar-shaped reinforcing member 7 has a pipe shape. And
The surface of the pipe-shaped rod-shaped reinforcing member 7 is covered with a cylindrical heat-insulating material 10, and the surrounding wall 8 integral with the back wall 3 surrounds the entire periphery of the rod-shaped reinforcing member 7 via the heat-insulating material 10. I have.
The back wall 3 side of the surrounding wall 8 forms a rising portion 11 and the front wall 2
The side forms a welded part 12 and is integrated. The rising portion 11 is formed by thickening the surrounding wall 8 integrally formed from the back wall 3 by welding to each other, and 13 is a welding portion thereof.
【００１５】この本発明の他の実施の形態では、図６に
示すように、断熱材１０が棒状補強部材７の両端部より
長く突出しており、その突出部１４には、棒状補強部材
７の両端部をそれぞれ覆う発泡材から成る蓋部材１５が
嵌装されている。そして、棒状補強部材７の両端部は、
断熱材１０の突出部１４と蓋部材１５を介して包囲壁８
により包囲されている。In another embodiment of the present invention, as shown in FIG. 6, the heat insulating material 10 protrudes longer than both ends of the bar-shaped reinforcing member 7, and the protruding portion 14 of the bar-shaped reinforcing member 7 A cover member 15 made of a foam material covering both ends is fitted. And both ends of the rod-shaped reinforcing member 7
The surrounding wall 8 is interposed between the protrusion 14 of the heat insulating material 10 and the lid member 15.
Surrounded by
【００１６】本発明に係る中空二重壁構造体１は、ＡＢ
Ｓ樹脂、変性ポリフェニレンオキサイド樹脂、ポリカー
ボネート樹脂、ポリアミド樹脂、ポリエチレンテレフタ
ート樹脂、ポリブチレンテレフタート樹脂、ポリプロピ
レン樹脂、ポリエチレン樹脂等、ブロー成形可能な熱可
塑性樹脂で構成される。The hollow double-walled structure 1 according to the present invention comprises AB
It is made of blow-moldable thermoplastic resin such as S resin, modified polyphenylene oxide resin, polycarbonate resin, polyamide resin, polyethylene terephthalate resin, polybutylene terephthalate resin, polypropylene resin, polyethylene resin and the like.
【００１７】また、棒状補強部材７は、剛性の大きい、
少なくとも１０００ＭＰａ（好ましくは１５００ＭＰ
ａ）以上の合成樹脂であり、中空二重壁構造体１より剛
性が高いことを要する。具体的には、高密度ポリエチレ
ン樹脂、ポリプロピレン樹脂、ＡＢＳ樹脂、ＡＳ樹脂、
ポリアミド樹脂、ポリエチレンテレフタート樹脂、ポリ
ブチレンテレフタート樹脂あるいはポリカーボネート樹
脂、変性ポリフェニレン樹脂などのエンジニアリング樹
脂など、さらにはこれらのブレンド体、これらにカーボ
ンファイバー、炭酸カルシウム、タルク、マイカ、ホィ
スカーなどの補強部材を充填したものなどが好ましい。Further, the rod-shaped reinforcing member 7 has high rigidity,
At least 1000MPa (preferably 1500MPa
a) The above synthetic resin is required to have higher rigidity than the hollow double-wall structure 1. Specifically, high-density polyethylene resin, polypropylene resin, ABS resin, AS resin,
Engineering resins such as polyamide resin, polyethylene terephthalate resin, polybutylene terephthalate resin or polycarbonate resin and modified polyphenylene resin, and blends thereof, and reinforcing members such as carbon fiber, calcium carbonate, talc, mica, and whiskers And the like are preferred.
【００１８】断熱材１０は、発泡体、繊維の集合体であ
る布であって多くの空気を内在する比較的嵩張りの大き
い布（例えば綿）、２枚の比較的薄いシートから成る空
気袋などである。The heat insulating material 10 is an air bag made of a relatively large-volume cloth (for example, cotton) containing a large amount of air therein, which is a cloth which is an aggregate of a foam and a fiber, and two relatively thin sheets. And so on.
【００１９】繊維シート６は、綿、麻、羊毛、絹などの
天然繊維、ビスコースレーヨン、銅アンモニアレーヨン
等の再生繊維、アセテート、トリアセテート等の半合成
繊維、ナイロン、ポリエステル、アクリル、ビニロン、
ポリプロピレン、ポリウレタン等の合成繊維およびこれ
らのブレンド繊維およびこれらを加工して得られる織
物、編物、不織布である。The fiber sheet 6 is made of natural fibers such as cotton, hemp, wool and silk, regenerated fibers such as viscose rayon and copper ammonia rayon, semi-synthetic fibers such as acetate and triacetate, nylon, polyester, acrylic, vinylon, and the like.
Synthetic fibers such as polypropylene and polyurethane, blended fibers thereof, and woven, knitted and non-woven fabrics obtained by processing these.
【００２０】本発明に係る中空二重壁構造体１は、ブロ
ー成形により成形されるが、棒状補強部材７は金型内に
配置してブロー成形することにより中空二重壁構造体１
にインサートされる。そして、棒状補強部材７は、断熱
材１０で覆われており、裏壁３と一体を成す包囲壁８と
の間に介在されるので、棒状補強部材７はブロー成形時
に熱を受けることが少なく、熱による変形が防止され
る。このため、棒状補強部材７が合成樹脂製であっても
その補強部材としての機能が損なわれず、ブロー成形中
はもとより成形後の冷却収縮による変形歪みを生じない
中空二重壁構造体１を得ることができる。The hollow double-wall structure 1 according to the present invention is formed by blow molding. The bar-shaped reinforcing member 7 is disposed in a mold and blow-molded.
Inserted into. Since the bar-shaped reinforcing member 7 is covered with the heat insulating material 10 and is interposed between the back wall 3 and the surrounding wall 8 that is integral with the back wall 3, the bar-shaped reinforcing member 7 receives less heat during blow molding. And deformation due to heat is prevented. For this reason, even if the bar-shaped reinforcing member 7 is made of synthetic resin, the function as the reinforcing member is not impaired, and the hollow double-walled structure 1 which does not generate deformation distortion due to cooling shrinkage after molding as well as during blow molding is obtained. be able to.
【００２１】また、図４、図５および図６に示すよう
に、棒状補強部材７の両端部を、断熱材１０の突出部１
４と蓋部材１５を介して包囲壁８により包囲した構成で
は、中空二重壁構造体１が棒状補強部材７に対して冷却
収縮を起こしても、その収縮による歪みが発泡材である
蓋部材１５により吸収されるので、中空二重壁構造体１
には変形歪が生じない。As shown in FIGS. 4, 5 and 6, both ends of the bar-shaped reinforcing member 7 are connected to the protrusions 1 of the heat insulating material 10.
In the configuration in which the hollow double-walled structure 1 is cooled and contracted with respect to the bar-shaped reinforcing member 7 in the configuration surrounded by the surrounding wall 8 via the cover member 15 and the lid member 15, the distortion caused by the contraction is a foam member. 15, the hollow double-walled structure 1
Has no deformation strain.
【００２２】本発明に係る中空二重壁構造体１において
は、棒状補強部材７が合成樹脂から成っているので、中
空二重壁構造体１の廃棄時に、中空二重壁構造体１と棒
状補強部材７との分別作業が容易である。特に、棒状補
強部材７を中空二重壁構造体１と同材質のものとすれ
ば、廃棄時の材料再生処理がいっそう確実かつ容易にで
きる。In the hollow double-walled structure 1 according to the present invention, the bar-shaped reinforcing member 7 is made of synthetic resin. Separation work with the reinforcing member 7 is easy. In particular, if the rod-shaped reinforcing member 7 is made of the same material as that of the hollow double-walled structure 1, the material regeneration processing at the time of disposal can be performed more reliably and easily.
【００２３】[0023]
【発明の効果】本発明によれば、中空二重壁構造体の強
度および剛性を高くする棒状補強部材として合成樹脂製
のものを用いるとともに、棒状補強部材と中空二重壁構
造体と一体の上記棒状補強部材の周囲を包囲する包囲壁
との間に断熱材を介在させることにより、ブロー成形時
の熱によって棒状補強部材が変形するのを防止し、棒状
補強部材が合成樹脂製であってもその補強部材としての
機能が損なわれず、ブロー成形中はもとより成形後の冷
却収縮による変形歪みを生じない中空二重壁構造体を得
ることができる。According to the present invention, a bar-shaped reinforcing member made of synthetic resin is used to increase the strength and rigidity of the hollow double-walled structure, and the rod-shaped reinforcing member and the hollow double-walled structure are integrated. By interposing a heat insulating material between the rod-shaped reinforcing member and the surrounding wall surrounding the rod-shaped reinforcing member, the rod-shaped reinforcing member is prevented from being deformed by heat during blow molding, and the rod-shaped reinforcing member is made of synthetic resin. In addition, a hollow double-walled structure can be obtained which does not lose its function as a reinforcing member and does not undergo deformation distortion due to cooling shrinkage after molding as well as during blow molding.
【図面の簡単な説明】[Brief description of the drawings]
【図１】本発明の一実施の形態に係る中空二重壁構造体
を表面側から見た斜視図である。FIG. 1 is a perspective view of a hollow double-walled structure according to an embodiment of the present invention as viewed from the front side.
【図２】本発明の一実施の形態に係る中空二重壁構造体
を裏面側から見た斜視図である。FIG. 2 is a perspective view of the hollow double-walled structure according to one embodiment of the present invention as viewed from the back surface side.
【図３】図２のＡ−Ａ線拡大断面図である。FIG. 3 is an enlarged sectional view taken along line AA of FIG. 2;
【図４】本発明の他の実施の形態に係る中空二重壁構造
体を裏面側から見た斜視図であFIG. 4 is a perspective view of a hollow double-wall structure according to another embodiment of the present invention as viewed from the back side.
【図５】図４のＢ−Ｂ線拡大断面図である。FIG. 5 is an enlarged sectional view taken along line BB of FIG. 4;
【図６】図４のＣ−Ｃ線拡大断面図である。FIG. 6 is an enlarged sectional view taken along line CC of FIG. 4;
１ 中空二重壁構造体 ２ 表壁 ３ 裏壁 ４ 周囲壁 ５ 中空部 ６ 繊維シート ７ 棒状補強部材 ８ 包囲壁 ９ 突条 １０ 断熱材 １１ 立上り部 １２ 溶着部 １３ 溶着部 １４ 突出部 １５ 蓋部材 DESCRIPTION OF SYMBOLS 1 Hollow double wall structure 2 Front wall 3 Back wall 4 Peripheral wall 5 Hollow part 6 Fiber sheet 7 Bar-shaped reinforcing member 8 Surrounding wall 9 Ridge 10 Heat insulating material 11 Rising part 12 Welding part 13 Welding part 14 Projecting part 15 Cover member
Claims (6)
壁と、表壁および裏壁との間に中空部を形成する周囲壁
とで構成される中空二重壁構造体であって、中空部内に
は合成樹脂の棒状補強部材が配設されるとともに、棒状
補強部材の周囲は、少なくとも裏壁と一体に連なる包囲
壁で包囲されており、棒状補強部材と包囲壁との間には
断熱材が介在していることを特徴とする中空二重壁構造
体。1. A hollow double-walled structure comprising a front wall, a back wall facing the front wall at an interval, and a peripheral wall forming a hollow portion between the front wall and the back wall. In addition, a synthetic resin bar-shaped reinforcing member is provided in the hollow portion, and the periphery of the bar-shaped reinforcing member is surrounded by at least an enclosing wall integrally connected to the back wall. A hollow double-walled structure having a heat insulating material interposed therebetween.
する請求項１記載の中空二重壁構造体。2. The hollow double-wall structure according to claim 1, wherein the heat insulating material is made of a foamed resin.
材質の樹脂で成ることを特徴とする請求項１または２記
載の中空二重壁構造体。3. The hollow double-walled structure according to claim 1, wherein the bar-shaped reinforcing member is made of a resin of the same material as the hollow double-walled structure.
する構成であることを特徴とする請求項１、２または３
記載の中空二重壁構造体。4. The surrounding wall is configured to surround both ends of the bar-shaped reinforcing member.
The hollow double-walled structure according to the above.
断熱材を介在させたことを特徴とする請求項４記載の中
空二重壁構造体。5. The hollow double-wall structure according to claim 4, wherein a heat insulating material is interposed between both ends of the bar-shaped reinforcing member and the surrounding wall.
貼着して成ることを特徴とする請求項１、２、３、４ま
たは５記載の中空二重壁構造体。6. The hollow double-walled structure according to claim 1, wherein a fiber sheet is adhered to the surface of the hollow double-walled structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP36950297A JPH11192654A (en) | 1997-12-26 | 1997-12-26 | Hollow double-wall structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP36950297A JPH11192654A (en) | 1997-12-26 | 1997-12-26 | Hollow double-wall structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11192654A true JPH11192654A (en) | 1999-07-21 |
Family
ID=18494587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP36950297A Pending JPH11192654A (en) | 1997-12-26 | 1997-12-26 | Hollow double-wall structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11192654A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001260213A (en) * | 2000-03-16 | 2001-09-25 | Kyoraku Co Ltd | Hollow double-wall structure and blow molding die therefor |
| JP2006334801A (en) * | 2005-05-31 | 2006-12-14 | Kyoraku Co Ltd | Resin panel and its manufacturing method |
| JP2011088446A (en) * | 2010-12-28 | 2011-05-06 | Kyoraku Co Ltd | Method of manufacturing resin panel |
| WO2013077198A1 (en) * | 2011-11-24 | 2013-05-30 | キョーラク株式会社 | Resin panel and forming method |
-
1997
- 1997-12-26 JP JP36950297A patent/JPH11192654A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001260213A (en) * | 2000-03-16 | 2001-09-25 | Kyoraku Co Ltd | Hollow double-wall structure and blow molding die therefor |
| JP2006334801A (en) * | 2005-05-31 | 2006-12-14 | Kyoraku Co Ltd | Resin panel and its manufacturing method |
| EP2436505A1 (en) * | 2005-05-31 | 2012-04-04 | Kyoraku Co.,Ltd. | Resin panel for interior articles of automobiles |
| JP2011088446A (en) * | 2010-12-28 | 2011-05-06 | Kyoraku Co Ltd | Method of manufacturing resin panel |
| WO2013077198A1 (en) * | 2011-11-24 | 2013-05-30 | キョーラク株式会社 | Resin panel and forming method |
| US9862162B2 (en) | 2011-11-24 | 2018-01-09 | Kyoraku Co., Ltd. | Resin panel |
| US10179441B2 (en) | 2011-11-24 | 2019-01-15 | Kyoraku Co., Ltd. | Resin panel and molding method |
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