JPS6356429A - Method for molding rear parcel shelf for car - Google Patents
Method for molding rear parcel shelf for carInfo
- Publication number
- JPS6356429A JPS6356429A JP20096686A JP20096686A JPS6356429A JP S6356429 A JPS6356429 A JP S6356429A JP 20096686 A JP20096686 A JP 20096686A JP 20096686 A JP20096686 A JP 20096686A JP S6356429 A JPS6356429 A JP S6356429A
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- parcel shelf
- rear parcel
- base plate
- mold
- 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
- 238000000465 moulding Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 14
- 229920005989 resin Polymers 0.000 claims abstract description 24
- 239000011347 resin Substances 0.000 claims abstract description 24
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 12
- 239000000758 substrate Substances 0.000 claims description 47
- 238000003825 pressing Methods 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 11
- 238000005452 bending Methods 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 238000009966 trimming Methods 0.000 abstract 1
- 230000002787 reinforcement Effects 0.000 description 27
- 230000000694 effects Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000011256 inorganic filler Substances 0.000 description 2
- 229910003475 inorganic filler Inorganic materials 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 239000000805 composite resin Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R5/00—Compartments within vehicle body primarily intended or sufficiently spacious for trunks, suit-cases, or the like
- B60R5/04—Compartments within vehicle body primarily intended or sufficiently spacious for trunks, suit-cases, or the like arranged at rear of vehicle
- B60R5/044—Compartments within vehicle body primarily intended or sufficiently spacious for trunks, suit-cases, or the like arranged at rear of vehicle luggage covering means, e.g. parcel shelves
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/006—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor for making articles having hollow walls
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Step Arrangements And Article Storage (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
（発明の分野）
この発明は自動車用リアパーセルシェルフの成形方法に
関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention This invention relates to a method of forming a rear parcel shelf for an automobile.
（従来技術とその問題点）
周知のように、リアパーセルシェルフは、乗用車の後部
座席後方に配設されるもので、乗用車のタイプ等によっ
て種々の形態のものがある。(Prior Art and its Problems) As is well known, rear parcel shelves are arranged behind the rear seats of passenger cars, and there are various forms depending on the type of passenger car.
例えば、その代表的なリアパーセルシェルフとして、所
定の形状にプレス成形した樹脂基板（板厚１〜５ｍｍ程
度）を金属製のレインフォースで補強した構造のものが
おる。For example, a typical rear parcel shelf has a structure in which a resin substrate (approximately 1 to 5 mm thick) press-molded into a predetermined shape is reinforced with metal reinforcement.
この種のリアパーセルシェルフの成形方法は、まずセル
ロース系フィラーあるいは無機質フィラーを含有するポ
リプロピレン樹脂シートの小片を加熱軟化させた状態で
、プレス金型の下型面上にセットし、次いでレインフォ
ースを該樹脂シートの小片−Ｆに載置し、ざらに、リア
パーセルシェルフ本体を形成するための樹脂基板を積層
し、然る後、プレス上型を下型に係合、圧締することに
より、三者を一体成形するものでおる。The molding method for this type of rear parcel shelf involves first heating and softening a small piece of a polypropylene resin sheet containing cellulose filler or inorganic filler and setting it on the lower mold surface of a press mold. Place it on the small piece -F of the resin sheet, roughly laminate the resin substrate for forming the rear parcel shelf body, and then engage and press the upper press mold with the lower mold, The three parts are integrally molded.
ここにおいてレインフォースは通常中空角筒からなり、
比較的長尺でかつ断面は例えば１０ｍｍ角程度０大きざ
のものが用いられる。Here, the reinforcement usually consists of a hollow rectangular tube,
A relatively long piece with a cross section of, for example, about 10 mm square is used.
このように、金Ｒ製のレインフォースを樹脂シートで樹
脂基板に補強した構造のリアパーセルシェルフにあって
は、次のような問題点があった。As described above, the rear parcel shelf having the structure in which the reinforcement made of Gold R is reinforced on the resin substrate with the resin sheet has the following problems.
第１に乗用車では、軽量化が大きな課題の１つになって
いるが、レインフォースは金Ｒ製のものが一般的であり
、樹脂基板の下面に複数本並設されるから、リアパーセ
ルシェルフのｆｆｉ！アップは避けられないものとなる
。First, weight reduction is a major issue in passenger cars, and reinforcements are generally made of gold R, and multiple reinforcements are installed in parallel on the underside of the resin board, so they can be used on rear parcel shelves. ffi! Ups are inevitable.
また、造形上の制限が多く、リアパーセルシェルフの形
状変更が容易にできないという不具合もおった。In addition, there were many restrictions on the design, and there was a problem in that the shape of the rear parcel shelf could not be easily changed.
すなわら、レインフォースは細長い面部分を補強するの
が一般的であるが、補強が必要な部位面の形態はこのよ
うなものに限らず、例えばリアパーセルシェルフ下面の
大部分おるいはリアパーセルシェルフの外周縁下面のみ
のように、製品の形状によって種々の形態がおる。In other words, reinforcement generally reinforces a long and narrow surface, but the shape of the surface that requires reinforcement is not limited to this type of surface.For example, most of the bottom surface of a rear parcel shelf or the rear There are various forms depending on the shape of the product, such as only the lower surface of the outer periphery of a parcel shelf.
このような要求に対して、レインフォースを用いて充分
対応することは困難であり、従って、リアパーセルシェ
ルフはレインフォースで補強できる形状に限定して設計
せざるを１７ないのである。It is difficult to sufficiently meet such demands using reinforcement, and therefore, rear parcel shelves must be designed to have a shape that can be reinforced with reinforcement17.
さらに厄介なことに、上記構造においてはリアパーセル
シェルフに反りが生じる。すなわら金属製レインフォー
スは樹脂基板の下面に取着されるが、反りは両者の収縮
率が異なることに起因した現象である。To make matters worse, the above structure causes the rear parcel shelf to warp. That is, although the metal reinforcement is attached to the lower surface of the resin substrate, the warping is a phenomenon caused by the difference in shrinkage rate between the two.
すなわち、従来レインフォースの固定溝）青は、例えば
第５図（Ａ＞、（Ｂ）に示すようになっている。第５図
（Ａ）において、この固定構造は、上面に表皮材１が配
置された（か１脂基板２の下面と、この樹脂基板２と同
月質の埋設用の小片３の両面間に断面矩形状の中空状レ
インフォース４を配置し、樹脂基板２および小片３を互
いに半溶融状態（軟化状態）にして、上下型間に投首し
、次いで圧締することにより、同図（Ｂ）に示すように
、レインフォース４を一体的に埋設するようにしたもの
である。In other words, the conventional reinforcement fixing groove (blue) is as shown in FIG. 5 (A>, (B)). In FIG. A hollow reinforcement 4 with a rectangular cross section is placed between the lower surface of the resin substrate 2 and both sides of the small piece 3 for burial made of the same material as the resin substrate 2, and the resin substrate 2 and the small piece 3 are By making each other into a semi-molten state (softened state), inserting them between the upper and lower molds, and then pressing them together, the reinforcement 4 is buried as one piece, as shown in Figure (B). be.
しかしながら、このような固定構造においては、第６図
に示１ように、レインフォース４の末端部は前記小片３
によって閉じられた状態でおり、このレインフォースを
インサートした状態でコールドプレスすると樹脂基板１
および小片３とレインフォース４は加熱状態から常温に
冷却されるのに伴い収縮差が生じる（樹脂の方が金属に
比して収縮が大である）。However, in such a fixing structure, as shown in FIG.
When cold pressing is performed with this reinforcement inserted, the resin substrate 1
A difference in shrinkage occurs between the small piece 3 and the reinforcement 4 as they are cooled from a heated state to room temperature (resin shrinks more than metal).
かつ、レインフォース４はその両端において小片３によ
って被包された状態であるために、樹脂基板の表面側に
同第６図に想像線で示すように反りが生じるのでおる。In addition, since the reinforcement 4 is covered with the small piece 3 at both ends thereof, a warpage occurs on the front side of the resin substrate as shown by the imaginary line in FIG. 6.
そして、前記反りを防止する構造として次のようなもの
が提案されている。この構造は、第７図に示すように、
レインフォース４の端縁に樹脂製のエンドキャップ５を
移動可能に装着したものでおる。The following structures have been proposed to prevent the warping. This structure, as shown in Figure 7,
A resin end cap 5 is movably attached to the edge of the reinforcement 4.
エンドキャップ５はレインフォース４の外形よりも大ぎ
なフランジ部６とレインフォース４の内周部に嵌合され
るガイド部７とで構成されている。The end cap 5 is composed of a flange portion 6 that is larger than the outer shape of the reinforcement 4 and a guide portion 7 that is fitted into the inner peripheral portion of the reinforcement 4.
このようなエンドキャップ５をフランジ部６とレインフ
ォース４の縁部との間に所要の間隙を設けるようにして
、レインフォース４の縁部に装着するのである。Such an end cap 5 is attached to the edge of the reinforcement 4 with a required gap provided between the flange portion 6 and the edge of the reinforcement 4.
すると、所定のリアパーセルシェルフが成形され、冷却
する際に前記樹脂Ｕ板２．小片３が収縮すると、エンド
キャップ５のガイド部７がレインフォース４縁部内に没
入移動し、樹脂基板２等の縮みしろを調節し、もって］
）す記反りか防止されるのでおる。Then, a predetermined rear parcel shelf is molded, and when cooling, the resin U plate 2. When the small piece 3 contracts, the guide part 7 of the end cap 5 moves into the edge of the reinforcement 4, adjusts the shrinkage margin of the resin substrate 2, etc.
) This will prevent warping.
しかし、この構造においてはエンドキャップおよびレイ
ンフォースか必要なため、必然的に作業工数およびコス
トアップをもたらす難があった。However, this structure requires an end cap and reinforcement, which inevitably increases the number of man-hours and costs.
（発明の目的）
この発明は、以上のような従来の欠点に鑑みなされたも
のであって、本発明の目的とするところは、軽量でしか
も良好な強度を有するリアパーセルシェルフの成形方法
を提供することにある。(Object of the Invention) The present invention was made in view of the above-mentioned conventional drawbacks, and an object of the present invention is to provide a method for molding a rear parcel shelf that is lightweight and has good strength. It's about doing.
（発明の構成と効果）
上記目的を達成するために、本発明に係る自動車用リア
パーセルシェルの成形方法は、プレス成形用金型の下型
面上に加熱軟化した熱可塑性樹脂よりなる第１塁板を載
置する工程と、この第１基板の一端にブロー装置と連結
するエア吹出口をセットする工程と、該エア吹出口を前
記第１基板とともに挟み込むように、熱可塑性樹脂より
なる第２基板を第１基板の上面に載置する工程と、次い
で直ちに上型を下型上に係合・圧締するとともに、前記
エア吹出口からエアを圧送することにより、上記樹脂板
間に空間部を有する形状に第１基板並びに第２基板を成
形する工程とよりなる。(Structure and Effects of the Invention) In order to achieve the above object, the method for molding a rear parcel shell for an automobile according to the present invention provides a method for molding a rear parcel shell for an automobile according to the present invention. a step of placing a base plate; a step of setting an air outlet connected to a blowing device at one end of the first substrate; and a step of setting a first board made of thermoplastic resin so as to sandwich the air outlet with the first substrate. A space is created between the resin plates by placing the two substrates on the upper surface of the first substrate, immediately engaging and pressing the upper mold onto the lower mold, and pumping air from the air outlet. The method consists of a step of molding the first substrate and the second substrate into a shape having a portion.
すなわち、本発明による自動車用リアパーセルシェルフ
の成形方法によれば、上下の熱可塑性樹脂基板が強固に
積層された一般部と、樹脂基板間に空間部を有し、かつ
全体を所要形状に成形されたリアパーセルシェルフを得
ることができる。That is, according to the method for molding a rear parcel shelf for an automobile according to the present invention, the upper and lower thermoplastic resin substrates have a general part in which they are firmly laminated, and a space part between the resin boards, and the whole can be molded into a desired shape. You can get a rear parcel shelf.
従って、従来のレインフォースを廃止しても充分な強度
が確保され、製品の軽伍かに大きく貢献することができ
るとともにレインフォースを廃止することにより、樹脂
基板とレインフォースとの収縮率の差異から生じる製品
の反りも未然に解決され、外観性能も向上する。Therefore, even if the conventional reinforcement is abolished, sufficient strength can be ensured, contributing greatly to the lightness of the product, and by abolishing the reinforcement, the difference in shrinkage rate between the resin substrate and the reinforcement The warping of the product caused by this is also solved, and the appearance performance is also improved.
さらに、樹脂基板間に空間部を有する二重溝造により、
断熱効果、並びに吸音効果が期待でき、車室内の静粛性
を維持する等種々の利点を有する。Furthermore, due to the double groove structure with a space between the resin substrates,
It can be expected to have a heat insulation effect and a sound absorption effect, and has various advantages such as maintaining quietness in the vehicle interior.
（実施例の説明）
以下、本発明に係る成形方法について、その一実施例を
図面を参照して詳細に説明する。(Description of Examples) Hereinafter, one example of the molding method according to the present invention will be described in detail with reference to the drawings.
第１図および第２図はこの発明に係る自動車用リアパー
セルシェルフの成形方法の各工程を示す。FIGS. 1 and 2 show each step of the method for molding a rear parcel shelf for an automobile according to the present invention.
各図において、符＠１０は所要形状の型面１０ａを形成
した下型を示し、符号１１は上記下を１０に係合する型
面１１ａを形成した上型を示し、また符号１２はブロー
装置Ｂに連結するエア吹出口（ノズル）を示す。In each figure, the symbol @10 indicates a lower mold with a mold surface 10a of a desired shape, the symbol 11 designates an upper mold with a mold surface 11a that engages the lower part with 10, and the symbol 12 indicates a blowing device. The air outlet (nozzle) connected to B is shown.
これら、８上・下型１０．１１から構成されるプレス成
形用金型のうち下型１０の型面１０ａ上に第１図に示す
ように、裏当てシー１へ１３および熱可塑性樹脂製の第
１基板１４を順次載置する。As shown in FIG. The first substrates 14 are placed one after another.
ここにおいて、裏当てシート１３は、不織イ５または織
布が用いられる。また、熱可塑性樹脂の第１基板１４は
セルロース系フィラーあるいは無機質フィラーを含有す
るポリプロピレン複合樹脂シー１〜をヒータ等の加熱手
段によって予め半′？８融状態に加熱軟化されたもので
ある。Here, the backing sheet 13 is made of non-woven fabric 5 or woven fabric. The first substrate 14 made of thermoplastic resin is prepared by heating the polypropylene composite resin sheet 1 containing cellulose filler or inorganic filler by heating means such as a heater. It is heated and softened to a melting state.
上記裏当てシート１３および第１基板１４を載置後、上
記エア吹出口１２を第１基板１４と後述する熱可塑性樹
脂製の第２基板１５との間に挟み込むように所定位置に
セットする。After placing the backing sheet 13 and the first substrate 14, the air outlet 12 is set at a predetermined position so as to be sandwiched between the first substrate 14 and a second substrate 15 made of thermoplastic resin, which will be described later.
次いで、第１基板１４と同様加熱軟化された熱可塑性樹
脂の第２基板１５および表皮材１６を第１基板１４の上
面に載置する。通常、表皮材１６は、カーペラ１へ、織
イ「、不織布等が用いられ、また、第２基板１５として
は、第１基板１４と同材質または近似の収縮率を有する
材質が用いられる。Next, like the first substrate 14, a second substrate 15 made of a heat-softened thermoplastic resin and a skin material 16 are placed on the upper surface of the first substrate 14. Usually, the skin material 16 is made of woven fabric, non-woven fabric, etc., and the second substrate 15 is made of the same material as the first substrate 14 or a material having a similar shrinkage rate.
そして、これら材質のシートを載置した後、第２図に示
すように直ちに上下型を係合、圧締するとともに、エア
吹出口１２から、エアを圧送することにより、前記裏当
てシート１３および熱可塑性樹脂の各基板１４，１５、
並びに表皮材１６を両型面１０ａ、１１ａのキャビティ
形状に沿って一体成形し、かつ、圧送されたエアにより
下面の第１基板１４は裏当てシート１３とともに下型１
Ｏに形成した溝部１０ｂに押圧され、第１基板１４およ
び第２基板１５の間には空間部１７が形成される。After placing the sheets of these materials, the upper and lower dies are immediately engaged and pressed as shown in FIG. Each substrate 14, 15 of thermoplastic resin,
In addition, the skin material 16 is integrally molded along the cavity shapes of both mold surfaces 10a and 11a, and the first substrate 14 on the lower surface is molded together with the backing sheet 13 by the compressed air.
A space 17 is formed between the first substrate 14 and the second substrate 15 by being pressed by the groove 10b formed in the shape of O.
その後、冷却した上、下型の係合を解除し、成形品を取
出し、成形品の係合縁部をトリム加工すれば、第３図お
よび第４図に示すリアパーセルシェルフ２０が得られる
。Thereafter, the cooled upper and lower molds are disengaged, the molded product is taken out, and the engaging edges of the molded product are trimmed to obtain the rear parcel shelf 20 shown in FIGS. 3 and 4.
第３図は、本成形ににって得られたリアパーセルシェル
フの一部破断斜視図、第４図は同リアパーセルシェルフ
の裏面を示す一部破断斜視図である。FIG. 3 is a partially cutaway perspective view of the rear parcel shelf obtained by this molding, and FIG. 4 is a partially cutaway perspective view showing the back side of the rear parcel shelf.
上記リアパーセルシェルフ２０は、熱可塑性）カ１脂の
第１基板１４と一体化された熱可塑性樹脂の第２基板１
５と、該第２基板の上面に貼着された表皮材１６並びに
第１基板１４の下面に貼着された裏当てシー＋−１３と
から構成されており、各部材間は前記成形口）において
アンカー効果または溶融接合により強固に接合固定され
ている。The rear parcel shelf 20 has a second substrate 1 made of thermoplastic resin integrated with a first substrate 14 made of thermoplastic resin.
5, a skin material 16 affixed to the upper surface of the second substrate 14, and a backing sheet +- 13 affixed to the lower surface of the first substrate 14, and the space between each member is the molding opening). It is firmly bonded and fixed by anchor effect or fusion bonding.
また、リアパーセルシェルフ２０は各部（Ａが強固に積
層された一１県部２０ａと樹脂基板間に空間部１７を有
する補強部２０ｂとからなり、前記−股部２０ａには小
物類を収容する凹部２１が形成されている。空間部１７
は全体として連通ずる溝を形成し、例えばリアパーセル
シェルフ２０の上面に荷物等により負荷がかかっても、
その撓み変形は極めて小さく、良好な強度が得られる。In addition, the rear parcel shelf 20 is composed of each part (A), which is a strongly laminated part 20a, and a reinforcing part 20b having a space 17 between the resin substrates, and the above-mentioned crotch part 20a stores small items. A recess 21 is formed.Space 17
For example, even if a load is applied to the top surface of the rear parcel shelf 20 due to luggage or the like,
The bending deformation is extremely small and good strength can be obtained.
なお、本実施例においてはエアは成形時空間部１７の端
部１７ａより圧送されるが、形状により複数箇所設定し
ても良く、また、その箇所に必要に応じてキャップを嵌
合しても良い。ざらに、前記表皮材１６および裏当てシ
ート１３は仕様により適宜省略しても良い。In this embodiment, air is pumped from the end 17a of the molding space part 17, but multiple locations may be provided depending on the shape, and a cap may be fitted to the location as necessary. good. In general, the skin material 16 and the backing sheet 13 may be omitted as appropriate depending on the specifications.
第１図および第２図は本発明に係るリアパーセルシェル
フの成形方法を示す各断面図、第３図は本発明に係る成
形方法を適用したリアパーセルシェルフの一部破断斜視
図、第４図は同リアパーセルシェルフの裏面を示す一部
破断斜視図、第５図（Ａ＞、＜８）は従来のリアパーセ
ルシェルフのレインフォースの固定構造を示す断面図、
第６図は上記固定構造の末端取付部分の構造を示す部分
断面図、第７図は上記固定構造に付加するエンドキャッ
プを示す斜視図である。
１０・・・・・・プレス成形用下型
１１・・・・・・プレス成形用上型
１２・・・・・・エア吹出口
１３・・・・・・裏当てシート
１４・・・・・・第１基板
１５・・・・・・第２基板
１６・・・・・・表皮材
１７・・・・・・空間部
２０・・・・・・リアパーセルシェルフ２０ａ・・・−
股部
２０ｂ・・・補強部
第５図
（Ａ）（Ｂ）
第６図1 and 2 are cross-sectional views showing a method of forming a rear parcel shelf according to the present invention, FIG. 3 is a partially cutaway perspective view of a rear parcel shelf to which the method of forming a rear parcel shelf according to the present invention is applied, and FIG. 4 is a partially cutaway perspective view showing the back side of the rear parcel shelf, and Fig. 5 (A>, <8) is a sectional view showing the reinforcement fixing structure of the conventional rear parcel shelf.
FIG. 6 is a partial sectional view showing the structure of the end attachment portion of the fixing structure, and FIG. 7 is a perspective view showing an end cap added to the fixing structure. 10... Lower die for press molding 11... Upper die for press forming 12... Air outlet 13... Backing sheet 14...・First substrate 15...Second substrate 16...Skin material 17...Space section 20...Rear parcel shelf 20a...-
Crotch part 20b... Reinforcement part Fig. 5 (A) (B) Fig. 6
Claims (1)
塑性樹脂よりなる第１基板を載置する工程と、この第１
基板の一端にブロー装置と連結するエア吹出口をセット
する工程と、該エア吹出口を前記第１基板とともに挟み
込むように、熱可塑性樹脂よりなる第２基板を第１基板
の上面に載置する工程と、次いで直ちに上型を下型上に
係合・圧締するとともに、前記エア吹出口からエアを圧
送することにより、上記樹脂板間に空間部を有する形状
に第１基板並びに第２基板を成形する工程とよりなるこ
とを特徴とする自動車用リアパーセルシェルフの成形方
法。(1) A step of placing a first substrate made of a heat-softened thermoplastic resin on the lower mold surface of a press molding die;
A step of setting an air outlet connected to a blowing device at one end of the substrate, and placing a second substrate made of thermoplastic resin on the top surface of the first substrate so as to sandwich the air outlet with the first substrate. The first substrate and the second substrate are formed into a shape having a space between the resin plates by immediately engaging and pressing the upper mold onto the lower mold and pumping air from the air outlet. A method for molding a rear parcel shelf for an automobile, comprising a step of molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20096686A JPS6356429A (en) | 1986-08-27 | 1986-08-27 | Method for molding rear parcel shelf for car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20096686A JPS6356429A (en) | 1986-08-27 | 1986-08-27 | Method for molding rear parcel shelf for car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6356429A true JPS6356429A (en) | 1988-03-11 |
| JPH021649B2 JPH021649B2 (en) | 1990-01-12 |
Family
ID=16433278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20096686A Granted JPS6356429A (en) | 1986-08-27 | 1986-08-27 | Method for molding rear parcel shelf for car |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6356429A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6392431A (en) * | 1986-10-08 | 1988-04-22 | Kyoraku Co Ltd | Manufacture of molding with skin |
| JP2002018934A (en) * | 2000-07-05 | 2002-01-22 | T S Tec Kk | Vehicle lining and its manufacturing method |
| KR100447138B1 (en) * | 2001-08-11 | 2004-09-04 | 윤선영 | Appararus of hollow forming metal product with double well |
-
1986
- 1986-08-27 JP JP20096686A patent/JPS6356429A/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6392431A (en) * | 1986-10-08 | 1988-04-22 | Kyoraku Co Ltd | Manufacture of molding with skin |
| JPH0453696B2 (en) * | 1986-10-08 | 1992-08-27 | Kyoraku Co Ltd | |
| JP2002018934A (en) * | 2000-07-05 | 2002-01-22 | T S Tec Kk | Vehicle lining and its manufacturing method |
| KR100447138B1 (en) * | 2001-08-11 | 2004-09-04 | 윤선영 | Appararus of hollow forming metal product with double well |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH021649B2 (en) | 1990-01-12 |
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