JPH0344499Y2 - - Google Patents
Info
- Publication number
- JPH0344499Y2 JPH0344499Y2 JP16057785U JP16057785U JPH0344499Y2 JP H0344499 Y2 JPH0344499 Y2 JP H0344499Y2 JP 16057785 U JP16057785 U JP 16057785U JP 16057785 U JP16057785 U JP 16057785U JP H0344499 Y2 JPH0344499 Y2 JP H0344499Y2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- nozzle
- molded product
- paint
- primary molded
- 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
Links
- 238000000465 moulding Methods 0.000 claims description 29
- 239000003973 paint Substances 0.000 claims description 26
- 239000011248 coating agent Substances 0.000 claims description 20
- 238000000576 coating method Methods 0.000 claims description 20
- 238000003780 insertion Methods 0.000 claims description 20
- 230000037431 insertion Effects 0.000 claims description 20
- 229920003002 synthetic resin Polymers 0.000 claims description 18
- 239000000057 synthetic resin Substances 0.000 claims description 18
- 229920001187 thermosetting polymer Polymers 0.000 claims description 16
- 239000000498 cooling water Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims 1
- 230000001737 promoting effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 239000003677 Sheet moulding compound Substances 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Coating Apparatus (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は、合成樹脂製の１次成形品を成形し、
その表面に熱硬化性塗料の塗膜を形成する合成樹
脂成形装置に関するものである。[Detailed description of the invention] (Industrial application field) This invention molds a primary molded product made of synthetic resin,
This invention relates to a synthetic resin molding device that forms a coating film of thermosetting paint on its surface.
（従来技術）
従来、合成樹脂成形装置として、合成樹脂成形
品を成形する分割された成形型の一方に、成形品
の成形後その表面に塗布する熱硬化性塗料を射出
するインモールドコートノズルを備え、且つこの
ノズル本体内に冷却水を流してノズル本体内で熱
硬化性塗料が成形型の温度で硬化するのを防止し
たものが知られている（例えば特公昭59−23552
号公報参照）。(Prior art) Conventionally, synthetic resin molding equipment has been equipped with an in-mold coating nozzle, which injects thermosetting paint to be applied to the surface of the molded product after molding, to one side of a divided mold for molding the synthetic resin molded product. It is known that the thermosetting paint is prevented from curing at the temperature of the mold by flowing cooling water into the nozzle body (for example, Japanese Patent Publication No. 59-23552
(see publication).
ところが、この種の従来の合成樹脂成形装置
は、成形型の成形面に冷却されたインモールドコ
ートノズルのノズル本体（シヤツトオフピンな
ど）が臨んでいるために、このノズルの挿入孔付
近の温度が低くなり合成樹脂成形品が十分に硬化
せず、インモールドコート用塗料の注入時に注入
圧力によつて未硬化部分の補強繊維等が塗膜層内
に混入し、塗膜の仕上り状態を悪化させる問題点
を有していた。 However, in this type of conventional synthetic resin molding equipment, the nozzle body (shut-off pin, etc.) of the cooled in-mold coat nozzle faces the molding surface of the mold, so the temperature near the nozzle insertion hole is low. The problem is that the synthetic resin molded product does not cure sufficiently, and reinforcing fibers from the uncured parts get mixed into the coating layer due to the injection pressure when in-mold coating paint is injected, worsening the finish of the coating. It had a point.
（考案の目的）
本考案は、上記従来技術の問題点に鑑みなされ
たもので、ノズルに対向した部位の１次成形品の
未硬化を防ぎ、インモールドコート用塗料の注入
時に形成されるコート膜の仕上りが悪化するのを
防止することができる合成樹脂成形装置を提供す
ることを目的とする。(Purpose of the invention) The present invention was devised in view of the above-mentioned problems of the conventional technology.It prevents the primary molded product from uncuring in the area facing the nozzle, and prevents the coating formed when in-mold coating paint is injected. An object of the present invention is to provide a synthetic resin molding device that can prevent the finish of a film from deteriorating.
（考案の構成）
本考案の上記目的を達成するための手段は、熱
硬化性樹脂の熱プレス成形により１次成形品を成
形する分割された成形型と、該成形型の成形面に
臨ませて形成され上記１次成形品の成形直後に該
成形型を相対的に隔離移動させてできるキヤビテ
イ内に熱硬化性塗料を供給するノズル挿入孔と、
該ノズル挿入孔に嵌挿され上記熱硬化性塗料を流
通する塗料通路及び該塗料通路を囲繞する冷却水
通路を併設したインモールドコート用ノズルと、
該ノズルを嵌挿する成形型と対向する成形型の上
記ノズル挿入孔と対向する部分に設けられ該部分
の１次成形品の硬化を促進する硬化促進手段とか
ら構成されたことを特徴とする合成樹脂成形装置
である。(Structure of the invention) The means for achieving the above object of the invention consists of a divided mold for molding a primary molded product by hot press molding of a thermosetting resin, and a mold that faces the molding surface of the mold. a nozzle insertion hole for supplying a thermosetting paint into a cavity formed by relatively isolating and moving the mold immediately after molding the primary molded product;
an in-mold coating nozzle that is fitted into the nozzle insertion hole and has a paint passage through which the thermosetting paint flows, and a cooling water passage that surrounds the paint passage;
It is characterized by comprising a hardening accelerating means, which is provided in a part of the mold facing the nozzle insertion hole that faces the mold into which the nozzle is inserted, and promotes hardening of the primary molded product in the part. This is a synthetic resin molding device.
上記手段による作用は、ノズルと対向する一方
の成形型の該ノズルに対応した部分に設けられた
１次成形品の硬化を促進する硬化促進手段によつ
て、１次成形品の上記ノズル対応部分の未硬化を
防ぎ、コート用熱硬化性塗料注入時のコート塗膜
の悪化を防止する点にある。 The effect of the above-mentioned means is that the hardening accelerating means for accelerating the hardening of the primary molded product provided in the part of one of the molds facing the nozzle corresponding to the nozzle causes the hardening of the part of the primary molded product corresponding to the nozzle to be activated. The objective is to prevent the thermosetting coating from not curing and prevent the coating film from deteriorating when the thermosetting coating is injected.
（実施例）
以下、添付の図面を参照して、本考案の実施例
を説明する。(Embodiments) Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
＜第１実施例＞
第１図に示す本実施例の合成樹脂成形装置１
は、例えば自動車のフエンダ等を合成樹脂によつ
て一体成形し、更にその外表部にインモールドコ
ート膜を形成するものであり、相互に型合せされ
る上型３と下型４とから成る成形型２と、該上型
３に取着されたインモールドコート用ノズル５と
を備えている。上記上型３は、加熱装置によつて
所定温度（例えば140℃）に保持され、プレス装
置（図示省略）によつて上下動される可動定盤６
と一体的に上下動するように構成されている。
又、下型４は固定定盤７上に載置固定されてい
る。<First Example> Synthetic resin molding apparatus 1 of this example shown in FIG.
This is a molding method in which, for example, an automobile fender or the like is integrally molded from synthetic resin, and an in-mold coating film is further formed on the outer surface thereof, and consists of an upper mold 3 and a lower mold 4 that are molded together. It includes a mold 2 and an in-mold coating nozzle 5 attached to the upper mold 3. The upper die 3 is maintained at a predetermined temperature (for example, 140°C) by a heating device, and a movable surface plate 6 is moved up and down by a press device (not shown).
It is configured to move up and down integrally with the
Further, the lower mold 4 is placed and fixed on a fixed surface plate 7.
而して、上型３と下型４との間には、上型３
（可動定盤６）の上方移動により、樹脂シートを
熱プレス成形して１次成形品８を成形する１次空
間、及び熱プレス成形完了後該１次成形品８表面
にコート膜を形成する２次空間としてのキヤビテ
イ９が形成されるようになつている。 Therefore, between the upper mold 3 and the lower mold 4, the upper mold 3
By moving the movable surface plate 6 upward, a coating film is formed on the primary space where the resin sheet is hot press-molded to form the primary molded product 8, and on the surface of the primary molded product 8 after the hot press molding is completed. A cavity 9 is formed as a secondary space.
上記上型３には、該上型３のキヤビテイ形成面
９ａに開口するノズル挿入孔１０が貫設されてい
る。第２図に拡大図示する如く、ノズル挿入孔１
０は、上型３側面に開口する大径のノズル本体挿
入孔１０ａと、該本体挿入孔１０ａからキヤビテ
イ形成面９ａに至るノズル噴口部挿入孔１０ｂと
によつて構成されている。 The upper mold 3 is provided with a nozzle insertion hole 10 that opens into the cavity forming surface 9a of the upper mold 3. As shown in the enlarged view in Fig. 2, nozzle insertion hole 1
0 is constituted by a large-diameter nozzle body insertion hole 10a that opens on the side surface of the upper mold 3, and a nozzle spout insertion hole 10b that extends from the main body insertion hole 10a to the cavity forming surface 9a.
又上記インモールドコート用ノズル５は、円筒
状のノズル本体１１と、該ノズル本体１１の先端
の噴口部１２とによつて構成されており、これら
ノズル本体１１および噴口部１２は、それぞれ本
体挿入孔１０ａ及び噴口部挿入孔１０ｂに嵌挿さ
れ得るように構成されている。 The in-mold coating nozzle 5 is composed of a cylindrical nozzle body 11 and a nozzle part 12 at the tip of the nozzle body 11. It is configured so that it can be inserted into the hole 10a and the nozzle insertion hole 10b.
前記ノズル本体１１の軸心部には、噴口部１２
に連通する塗料通路１３が形成され、該塗料通路
１３の外周には、塗料通路１３を囲繞する如く冷
却水通路１４が形成され、更に該冷却水通路１４
の外周には空気断熱層１５が形成されている。上
記塗料通路１３にはスタテイツクミキサ（図示省
略）から熱硬化性の樹脂塗料が供給される。更
に、ノズル本体１１の軸心部には、上記塗料通路
１３と噴口部１２を軸方向に貫通するシヤツトオ
フピン１７が摺動自在に取付けられている。該シ
ヤツトオフピン１７の外端は、第１図に図示の如
く上型３側面に付設された作動シリンダ１８のピ
ストンロツド１８ａと連結杆１９を介して結合さ
れており、作動シリンダ１８の駆動と連動してシ
ヤツトオフピン１７が進退して噴口部１２を開閉
し、塗料のキヤビテイ９内への射出を制御する。
なお、噴口部１２の先端面１２ａ及びシヤツトオ
フピン１７の先端面１７ａは、共にキヤビテイ形
成面９ａと面一になるような形状とされている。 At the axial center of the nozzle body 11, a spout portion 12 is provided.
A paint passage 13 is formed which communicates with the paint passage 13, and a cooling water passage 14 is formed around the outer periphery of the paint passage 13 so as to surround the paint passage 13.
An air insulation layer 15 is formed around the outer periphery. A thermosetting resin paint is supplied to the paint passage 13 from a static mixer (not shown). Furthermore, a shutter-off pin 17 is slidably attached to the axial center of the nozzle body 11, and extends through the paint passage 13 and the nozzle 12 in the axial direction. The outer end of the shaft-off pin 17 is connected via a connecting rod 19 to a piston rod 18a of an operating cylinder 18 attached to the side surface of the upper mold 3, as shown in FIG. The shutter-off pin 17 moves back and forth to open and close the nozzle 12 to control the injection of paint into the cavity 9.
Note that the tip end surface 12a of the nozzle port 12 and the tip end surface 17a of the shutter-off pin 17 are both shaped to be flush with the cavity forming surface 9a.
一方、上記下型４の１次空間形成面４ａには、
上記ノズル挿入孔１０と対向する部位に当該部分
の１次成形品の硬化を促進する硬化促進手段とし
ての突出部４ｂが形成されている。該突出部４ｂ
の形状はノズル噴口部の先端面１２ａの形状に対
応している。 On the other hand, on the primary space forming surface 4a of the lower mold 4,
A protrusion 4b is formed at a portion facing the nozzle insertion hole 10 as a hardening accelerator for accelerating the hardening of the primary molded product in that portion. The protrusion 4b
The shape corresponds to the shape of the tip surface 12a of the nozzle outlet.
又、該突出部４ｂの高さは、例えば１次成形品
８の板厚3.0mmで、上型３及び下型４の温度が共
に140℃（ただし、上型３のノズル挿入孔１０の、
詳しくはそのノズル噴口部挿入孔１０ｂ付近の上
型３の温度が若干冷されて110℃）の状態におい
て、１次成形品８を全体的に均一（同時間内に）
に硬化させるためには、実験的に得られた第３図
に示すSMC（シート成型コンパウンド）の板厚と
離型可能時間との関係に従い、グラフ横軸の3.0
mm位置に始点を持つ破線矢視a1，a2，a3を辿り終
点の1.0mmに至り、上記突出部４ｂにおける１次
成形品８の厚さ１，０mmと100秒の離型可能時間
とが求められ、これにより、2.0mmと決定される。 The height of the protrusion 4b is, for example, when the thickness of the primary molded product 8 is 3.0 mm, and the temperature of both the upper mold 3 and the lower mold 4 is 140°C (however, the height of the nozzle insertion hole 10 of the upper mold 3 is
Specifically, in a state where the temperature of the upper mold 3 near the nozzle injection hole 10b is slightly cooled to 110°C), the primary molded product 8 is uniformly formed as a whole (within the same time).
In order to harden the compound to 3.0 on the horizontal axis of the graph, follow the relationship between the thickness of the SMC (sheet molding compound) and the release time shown in Figure 3, which was obtained experimentally.
Follow the dashed line arrows a 1 , a 2 , a 3 starting at the mm position to reach the end point of 1.0 mm, and the thickness of the primary molded product 8 at the protrusion 4b is 1.0 mm and the mold release time is 100 seconds. From this, it is determined to be 2.0 mm.
なお、２０は、シヤフトオフピン１７を軸心位
置に保持するためのスペーサ、２１はノズル本体
１１とノズル挿入孔１０との間に介設されるスペ
ーサ、２２はノズル挿入孔１０の周りに円弧状に
配置されたヒータ、２３は塗料供給管、２４，２
５は冷却水入口管及び出口管である。 Note that 20 is a spacer for holding the shaft-off pin 17 at the axial center position, 21 is a spacer interposed between the nozzle body 11 and the nozzle insertion hole 10, and 22 is a spacer provided in a circle around the nozzle insertion hole 10. Heaters arranged in an arc, 23 a paint supply pipe, 24, 2
5 is a cooling water inlet pipe and an outlet pipe.
本実施例の合成樹脂成形装置１の作動を説明す
ると、先ずプレス装置によつて可動定盤６を大き
く引き上げて上型３を完全に離脱させた状態で下
型４の１次空間形成面４ａに熱硬化性樹脂シート
を載置する。その後上型３をプレス装置によつて
下動せしめて熱プレス成形を行い、１次成形品８
を形成する。１次成形品８は、上述した如く、若
干温度の低い上型３のノズル噴口部挿入孔１０ｂ
域においても他の周囲部と同時間内に硬化を完了
する。 To explain the operation of the synthetic resin molding apparatus 1 of this embodiment, first, the movable surface plate 6 is greatly pulled up by the press device to completely remove the upper mold 3, and the primary space forming surface 4a of the lower mold 4 is A thermosetting resin sheet is placed on. Thereafter, the upper mold 3 is moved down by a press device to perform hot press molding, and the primary molded product 8 is
form. As mentioned above, the primary molded product 8 is inserted into the nozzle spout insertion hole 10b of the upper mold 3 whose temperature is slightly low.
Curing is completed within the same time as other surrounding areas.
次に上型３を若干量上動させて上型３のキヤビ
テイ形成面９ａと１次成形品８との間に熱硬化性
塗料の塗膜形成用の空間を形成した後、作動シリ
ンダ１８によつてシヤツトオフピン１７を閉塞位
置（第２図実線位置）から開口位置（第２図鎖線
位置）まで後退させて、噴口部１２を開口せしめ
る。すると、ノズル５から１次成形品８の表面に
熱硬化性塗料が射出されてインモールドコート膜
が形成される。この際、１次成形品８のノズル対
応部分は完全に硬化を完了しているために、塗膜
形成に何ら悪影響を及ぼすことが無い。 Next, the upper mold 3 is moved upward by a slight amount to form a space for forming a film of thermosetting paint between the cavity forming surface 9a of the upper mold 3 and the primary molded product 8. Therefore, the shutter-off pin 17 is moved back from the closed position (the solid line position in FIG. 2) to the open position (the chain line position in FIG. 2), and the nozzle 12 is opened. Then, the thermosetting paint is injected from the nozzle 5 onto the surface of the primary molded product 8 to form an in-mold coat film. At this time, since the nozzle corresponding portion of the primary molded product 8 has been completely cured, there is no adverse effect on coating film formation.
インモールドコート膜が硬化した後、上型３を
下型４から離脱させて完成品を取り出すことがで
きる。 After the in-mold coating film is cured, the upper mold 3 can be separated from the lower mold 4 and the finished product can be taken out.
＜第２実施例＞
第４図に示す本実施例の合成樹脂成形装置３０
は、第１実施例に対して硬化促進手段及びそれを
取着する下型３４の構成が異なるだけで、他の構
成は同等である。<Second Example> Synthetic resin molding apparatus 30 of this example shown in FIG.
This embodiment differs from the first embodiment only in the configuration of the curing accelerator and the lower mold 34 to which it is attached, and the other configurations are the same.
本実施例における硬化促進手段は、上記上型３
に対向した下型３４の１次空間形成面３４ａの上
記ノズル噴口部挿入孔１０ｂに対向した部位の穴
３４ｃに、面一状に埋設されたカートリツジヒー
タ３４ｂより構成されている。このカートリツジ
ヒータ３４ｂは、セラミツク材や熱硬化性樹脂等
の断熱材３４ｄによつて上記穴３４ｃ内に固定さ
れており、外部に導設されたリード線３４ｅによ
つて電力が供給され、下型３４の周囲部の温度
（例えば第１実施例と同様に140℃）よりも10〜30
℃高い温度を保持する。したがつて、カートリツ
ジヒータ３４ｂ上に位置する１次成形品８は、上
述のように水冷されたノズルの影響によつて温度
が下がり硬化が遅れようとするが、上記下型３４
の周囲部よりも高い温度のカートリツジヒータ３
４ｂによつて補完され、硬化の遅れは防止され
る。 The curing accelerating means in this example is the upper mold 3.
A cartridge heater 34b is embedded flush with a hole 34c at a portion of the primary space forming surface 34a of the lower die 34 facing the nozzle insertion hole 10b. This cartridge heater 34b is fixed in the hole 34c by a heat insulating material 34d such as ceramic material or thermosetting resin, and is supplied with electric power by a lead wire 34e connected to the outside. 10 to 30 degrees higher than the temperature of the surrounding area of the mold 34 (for example, 140°C as in the first embodiment)
Hold the temperature ℃ higher. Therefore, the temperature of the primary molded product 8 located on the cartridge heater 34b decreases due to the effect of the water-cooled nozzle as described above, and hardening tends to be delayed.
Cartridge heater 3 whose temperature is higher than the surrounding area
4b to prevent curing delays.
（考案の効果）
以上述べた如く、本考案の合成樹脂成形装置に
よれば、冷却によつて周囲よりも温度が下がつて
いるインモールドコート用ノズルの影響を受ける
１次成形品は、下型のノズルに対向した部位に設
けられた硬化促進手段によつて硬化が促進され、
その結果、全体的に同一時間内に硬化が完了し未
硬化部分の発生が効果的に防止され、従つて上記
ノズルに対応した部位の１次成形品上に形成され
るコート塗膜の仕上りが悪化するのを防ぐことが
可能となる。(Effects of the invention) As described above, according to the synthetic resin molding apparatus of the invention, the primary molded product, which is affected by the in-mold coating nozzle whose temperature is lower than the surrounding area due to cooling, is Curing is accelerated by a curing accelerator provided at a part of the mold facing the nozzle,
As a result, curing is completed within the same amount of time as a whole, effectively preventing the occurrence of uncured parts, and therefore improving the finish of the coating film formed on the primary molded product in the area corresponding to the nozzle. It is possible to prevent it from getting worse.
図面は本考案の実施例を示すもので、第１図は
第１実施例の合成樹脂成形装置の縦断面図、第２
図は上記第１実施例の合成樹脂成形装置の要部拡
大断面図、第３図は上記第１実施例の装置の製作
に利用されるSMC成形の板厚と離型可能時間と
の関係を示すグラフ図、第４図は第２実施例の合
成樹脂成形装置の要部縦断面図である。
１，３０……合成樹脂成形装置、２……成形
型、３……上型、４，３４……下型、４ｂ……突
出部、５……インモールドコート用ノズル、８…
…１次成形品、９……キヤビテイ、１０……ノズ
ル挿入孔、１３……塗料通路、１４……冷却水通
路、３４ｂ……カートリツジヒータ。
The drawings show embodiments of the present invention, and FIG. 1 is a vertical sectional view of the synthetic resin molding apparatus of the first embodiment, and FIG.
The figure is an enlarged cross-sectional view of the main parts of the synthetic resin molding apparatus of the first embodiment, and FIG. The graph shown in FIG. 4 is a vertical cross-sectional view of a main part of the synthetic resin molding apparatus of the second embodiment. DESCRIPTION OF SYMBOLS 1, 30... Synthetic resin molding device, 2... Molding mold, 3... Upper mold, 4, 34... Lower mold, 4b... Projection part, 5... Nozzle for in-mold coating, 8...
...Primary molded product, 9...Cavity, 10...Nozzle insertion hole, 13...Paint passage, 14...Cooling water passage, 34b...Cartridge heater.
Claims (1)
を成形する分割された成形型と、該成形型の成形
面に臨ませて形成され上記１次成形品の成形直後
に該成形型を相対的に隔離移動させてできるキヤ
ビテイ内に熱硬化性塗料を供給するノズル挿入孔
と、該ノズル挿入孔に嵌挿され上記熱硬化性塗料
を流通する塗料通路及び該塗料通路を囲繞する冷
却水通路を併設したインモールドコート用ノズル
と、該ノズルを嵌挿する成形型と対向する成形型
の上記ノズル挿入孔と対向する部分に設けられ該
部分の１次成形品の硬化を促進する硬化促進手段
とから構成されたことを特徴とする合成樹脂成形
装置。 A divided mold for molding a primary molded product by hot press molding of a thermosetting resin, and a mold formed facing the molding surface of the mold, and a mold that is formed relative to the mold immediately after molding the primary molded product. A nozzle insertion hole for supplying the thermosetting paint into a cavity formed by moving the paint in isolation, a paint passage inserted into the nozzle insertion hole through which the thermosetting paint flows, and a cooling water passage surrounding the paint passage. an in-mold coating nozzle provided side by side, and a hardening accelerating means provided in a part facing the nozzle insertion hole of the mold opposite to the mold into which the nozzle is inserted, and promoting hardening of the primary molded product in the part. A synthetic resin molding device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16057785U JPH0344499Y2 (en) | 1985-10-18 | 1985-10-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16057785U JPH0344499Y2 (en) | 1985-10-18 | 1985-10-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6267720U JPS6267720U (en) | 1987-04-27 |
| JPH0344499Y2 true JPH0344499Y2 (en) | 1991-09-19 |
Family
ID=31086086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16057785U Expired JPH0344499Y2 (en) | 1985-10-18 | 1985-10-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0344499Y2 (en) |
-
1985
- 1985-10-18 JP JP16057785U patent/JPH0344499Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6267720U (en) | 1987-04-27 |
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