JPH028572B2 - - Google Patents
Info
- Publication number
- JPH028572B2 JPH028572B2 JP5738385A JP5738385A JPH028572B2 JP H028572 B2 JPH028572 B2 JP H028572B2 JP 5738385 A JP5738385 A JP 5738385A JP 5738385 A JP5738385 A JP 5738385A JP H028572 B2 JPH028572 B2 JP H028572B2
- Authority
- JP
- Japan
- Prior art keywords
- plastic molded
- thermoplastic elastomer
- present
- polypropylene resin
- molding
- 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
- 229920003023 plastic Polymers 0.000 claims description 39
- 239000004033 plastic Substances 0.000 claims description 39
- 229920001155 polypropylene Polymers 0.000 claims description 22
- 239000004743 Polypropylene Substances 0.000 claims description 21
- -1 polypropylene Polymers 0.000 claims description 21
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 18
- 239000011347 resin Substances 0.000 claims description 17
- 229920005989 resin Polymers 0.000 claims description 17
- 239000002131 composite material Substances 0.000 claims description 16
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 8
- 229920000642 polymer Polymers 0.000 claims description 8
- 238000001746 injection moulding Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 229920001400 block copolymer Polymers 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 claims description 3
- 238000000034 method Methods 0.000 description 16
- 239000000463 material Substances 0.000 description 14
- 238000010137 moulding (plastic) Methods 0.000 description 11
- 239000012778 molding material Substances 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 229920001971 elastomer Polymers 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920002587 poly(1,3-butadiene) polymer Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1676—Making multilayered or multicoloured articles using a soft material and a rigid material, e.g. making articles with a sealing part
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、硬質プラスチツク成形材料であるポ
リプロピレン樹脂と軟質プラスチツク成形材料で
ある非加硫の熱可塑性エラストマーとが一体的に
融着している複合プラスチツク成形品の製造方法
に関する。Detailed Description of the Invention (Field of Industrial Application) The present invention is characterized in that a polypropylene resin, which is a hard plastic molding material, and an unvulcanized thermoplastic elastomer, which is a soft plastic molding material, are integrally fused together. This invention relates to a method for manufacturing composite plastic molded products.
（従来の技術）
従来、自動車材料、建築材料、電気製品、その
他あらゆる分野においてプラスチツク成形品は広
く使用されており、特に、アルミサツシの枠、自
動車の窓枠、電機製品の各種スイツチやツマミ等
の如く、本体に取り付ける部分は硬く強靭な硬質
プラスチツクで成形し、その他の部分を軟質プラ
スチツク或いはゴム等のエラストマーで形成し、
雨水の浸入を防止したり或いは人間の手で触れた
場合の感触を良くしたり、更には人体が当たつて
も怪我や材料の破損がない様にしている場合が多
い。(Prior art) Plastic molded products have been widely used in automobile materials, building materials, electrical products, and all other fields.In particular, they are used in aluminum sash frames, automobile window frames, various switches and knobs of electrical products, etc. The part attached to the main body is made of hard and tough plastic, and the other parts are made of soft plastic or elastomer such as rubber.
It is often used to prevent rainwater from entering, to improve the feel of the material when touched by a human hand, and to prevent injury or damage to the material even if the human body comes into contact with it.
この様な複合プラスチツク成形品はあらゆる分
野で使用されているが、従来はこれらの硬質プラ
スチツクと軟質プラスチツク或いはゴムとは異質
の材料である為、それらの一体化には接着材を用
いる方法や、両者の結合部位をオス−メス型の凹
凸形状として嵌合させる方法が行われている。 Composite plastic molded products like this are used in all sorts of fields, but since these hard plastics and soft plastics or rubber are different materials, conventional methods have been used to integrate them using adhesives, A method has been used in which the connecting portions of the two are fitted in a male-female concavo-convex shape.
（発明が解決しようとしている問題点）
しかしながら、接着剤による一体化方法の場合
には両部材が異質である為に、時々接着不良を生
じて不良品が発生することが多い。又、接着剤の
使用には殆どの場合に有機溶剤が使用される為、
衛生上も好ましくなく、又、製造上非常に煩雑で
ある。(Problems to be Solved by the Invention) However, in the case of an integration method using an adhesive, since both members are different, poor adhesion sometimes occurs, often resulting in defective products. Also, since organic solvents are used in most cases when using adhesives,
It is not sanitary and is very complicated to manufacture.
又、両部材を嵌合させる方法では、各々の部材
を成形する為の金型が複雑で高価であり、又、嵌
合させる作業が非常に煩雑である。 Furthermore, in the method of fitting both members, the molds for molding each member are complicated and expensive, and the fitting operation is very complicated.
従つて、硬質プラスチツクと軟質プラスチツク
とからなるプラスチツク成形品を、上記の如き接
着剤やオス−メス型の嵌合を用いずに提供出来る
方法が強く要望されている。 Therefore, there is a strong need for a method of providing plastic molded articles made of hard plastic and soft plastic without using adhesives or male-female fittings as described above.
本発明者は上記の如き従来技術の欠点を解決す
べく鋭意研究の結果、硬質プラスチツクとして特
定の材料を選択し、且つ軟質プラスチツクとして
別の特定の材料を選択し、両者を組合せて射出成
形方法で複合プラスチツク成形品を得るときは、
何らの接着剤も嵌合技術をも使用しないで十分に
一体化した複合プラスチツク成形品が得られるこ
とを知見して本発明を完成した。 As a result of intensive research to solve the above-mentioned drawbacks of the prior art, the present inventor selected a specific material as a hard plastic and another specific material as a soft plastic, and developed an injection molding method by combining the two. When obtaining composite plastic molded products,
The present invention was completed by the discovery that fully integrated composite plastic molded articles can be obtained without the use of any adhesives or fitting techniques.
（問題点を解決する為の手段）
即ち、本発明は、ポリプロピレン樹脂を金型内
に溶融射出成形し、次いで非加硫の熱可塑性エラ
ストマーを溶融射出して、ポリプロピレン部材と
熱可塑性エラストマー部材とを一体的に融着成形
させることを特徴とする複合プラスチツク成形品
の製造方法である。(Means for Solving the Problems) That is, the present invention melt-injects a polypropylene resin into a mold, then melt-injects an unvulcanized thermoplastic elastomer to form a polypropylene member and a thermoplastic elastomer member. This is a method for manufacturing a composite plastic molded product, which is characterized by integrally fusion-molding the composite plastic molded products.
次に、本発明の１実施例を示す添付図面に従つ
て本発明方法を更に具体的に説明する。 Next, the method of the present invention will be explained in more detail with reference to the accompanying drawings showing one embodiment of the present invention.
第１図は、本発明方法による複合プラスチツク
成形品１０を図解的に示したものであり、第２図
は、従来技術のプラスチツク成形品２０を図解的
に示したものであり、第３図は、従来技術の他の
プラスチツク成形品３０を図解的に示したもので
ある。 FIG. 1 diagrammatically shows a composite plastic molded article 10 made by the method of the present invention, FIG. 2 diagrammatically shows a plastic molded article 20 of the prior art, and FIG. , which schematically shows another plastic molded article 30 of the prior art.
図中の１，１′，１″は硬質プラスチツク成形部
材を、２，２′，２″は軟質プラスチツク成形部材
を、そして３，３′，３″は両部材の接合部分を示
したものである。 In the figure, 1, 1', 1'' are hard plastic molded parts, 2, 2', 2'' are soft plastic molded parts, and 3, 3', 3'' are the joining parts of both parts. be.
添付図面から明らかな通り、本発明方法による
複合プラスチツク成形品は、硬質プラスチツク成
形部材と軟質プラスチツク成形部材との一体化
に、第２図に示す如き両部材のオス−メス型の凹
凸嵌合手段及び第３図に示す如き接着剤をも必要
とせず、両部材がその接合部で両者とも溶融状態
で密着して強固に一体的に融着していることを特
徴としている。 As is clear from the accompanying drawings, the composite plastic molded product produced by the method of the present invention is manufactured by integrating a hard plastic molded member and a soft plastic molded member with male-female concave-convex fitting means for both members as shown in FIG. Also, the present invention is characterized in that the two members are tightly molten and fused together at the joint portion, without requiring an adhesive as shown in FIG. 3.
以上の如き従来技術の接着剤や嵌合技術を使用
することなく、本発明方法において両部材の一体
化が実現出来たのは、本発明において硬質プラス
チツクとしてポリプロピレン樹脂を採用し、且つ
軟質プラスチツクとして熱可塑性エラストマーを
採用し、且つ両部材を射出成形方法で融着するこ
とによる。 The reason why the method of the present invention was able to realize the integration of both components without using the adhesives and fitting techniques of the prior art as described above is because polypropylene resin is used as the hard plastic in the present invention, and polypropylene resin is used as the soft plastic. This is achieved by using a thermoplastic elastomer and by fusing both members together using an injection molding method.
従来、硬質プラスチツクとしては非常に多数の
ものが知られ、又、軟質プラスチツクとしても非
常に多数のものが知られており、両者の単なる融
着による接合は不可能であると考えられており、
特にポリプロピレン樹脂の如き無極性材料の接着
は、同種のもの以外は殆ど不可能とされていた
が、本発明者の詳細な研究によれば、この様な不
活性なポリプロピレン樹脂に対しては、種々の軟
質プラスチツクのうち、特定的に熱可塑性エラス
トマーのみが容易に融着することを知見したもの
である。 Conventionally, a large number of hard plastics and a large number of soft plastics have been known, and it has been thought that it is impossible to join the two simply by fusion.
In particular, it was thought that it was almost impossible to bond non-polar materials such as polypropylene resin to other materials other than those of the same type, but according to detailed research by the present inventor, it is possible to bond non-polar materials such as polypropylene resin. It has been discovered that among various soft plastics, only thermoplastic elastomers are easily fused.
本発明において使用するポリプロピレン樹脂と
は、プロピレンモノマーを主体とし、その他共重
合性のオレフインを少量共重合成分として含有し
てもよい重合体であつて、従来、各種の繊維、各
種の成形物用の原料として広く使用されているも
のであり、これら従来公知のポリプロピレン樹脂
は、いずれも本発明においてそのまま使用するこ
とが出来る。 The polypropylene resin used in the present invention is a polymer mainly composed of propylene monomer, which may also contain a small amount of other copolymerizable olefins as a copolymerization component, and has conventionally been used for various fibers and various molded products. These conventionally known polypropylene resins can be used as they are in the present invention.
又、本発明において使用する熱可塑性エラスト
マーとは、常温ではゴムと同様な弾性を有する
が、加熱によつて軟化して流動性、即ち、可塑性
を示す材料であり、例えば、スチレンポリマーと
ブタジエンポリマーとのブロツクコポリマー、ポ
リエステル系のブロツクコポリマー、スチレンポ
リマーとエチレンポリマーとブチレンポリマーと
のブロツクコポリマー、エチレンポリマーとプロ
ピレンポリマーとのブロツクコポリマー等の各種
の熱可塑性エラストマーが知られており、これら
の公知の熱可塑性エラストマーは本発明において
いずれも使用出来る。 Furthermore, the thermoplastic elastomer used in the present invention is a material that has elasticity similar to rubber at room temperature, but softens upon heating and exhibits fluidity, that is, plasticity.For example, styrene polymer and butadiene polymer Various thermoplastic elastomers are known, such as block copolymers of polyester, block copolymers of styrene polymers, ethylene polymers, and butylene polymers, and block copolymers of ethylene polymers and propylene polymers. Any thermoplastic elastomer can be used in the present invention.
本発明において特に好ましいものは、スチレン
ポリマーとエチレンポリマーとブチレンポリマー
とのブロツクコポリマーであつて、商品名、住友
TPE−SBシリーズとして市場から入手し得る材
料である。 Particularly preferred in the present invention is a block copolymer of styrene polymer, ethylene polymer, and butylene polymer, which is available under the trade name Sumitomo Co., Ltd.
This material is commercially available as the TPE-SB series.
この様な好ましい熱可塑性エラストマーは、本
発明者の詳細な研究によれば、特定の成形温度
（例えば、200℃以上）において剪断速度103乃至
104の範囲においてポリプロピレン樹脂と同様な
流動性や粘度を有する様になるものであり、この
様な両者の性質の故に、従来は不可能とされてい
たポリプロピレン樹脂との十分な融着が可能とな
つたものと考えられる。 According to detailed research by the present inventors, such preferred thermoplastic elastomers have a shear rate of 10 3 to
In the range of 10 to 4 , it has fluidity and viscosity similar to that of polypropylene resin, and because of these two properties, sufficient fusion with polypropylene resin, which was previously considered impossible, is possible. It is thought that it became.
以上の如き硬質プラスチツク成形材料と軟質プ
ラスチツク成形材料とからなる本発明の複合プラ
スチツク成形品は、両部材が一体的に融着してい
る限りいずれの形状でもよいが、最も有用な形状
は、硬質プラスチツク成形部材が固定部材であつ
て、軟質プラスチツク成形材料が可動或いは接触
材料である形状、例えば、建築材料、特にアルミ
サツシの枠や自動車等の開閉部材に設ける密封部
材用としての形状である。 The composite plastic molded product of the present invention comprising a hard plastic molding material and a soft plastic molding material as described above may have any shape as long as both parts are integrally fused, but the most useful shape is a hard plastic molding material. A shape in which the plastic molded member is a fixed member and the soft plastic molded material is a movable or contact material, for example, a shape for a sealing member provided in a building material, particularly an aluminum sash frame, or an opening/closing member of an automobile, etc.
この様な本発明の複合プラスチツク成形品は射
出成形方法で製造し、先ず硬質プラスチツク成形
材料であるポリプロピレン樹脂を金型内に注入成
形し、次いで熱可塑性エラストマーを注入して、
成形と同時に両者を融着させる射出成形方法であ
る。成形条件自体は従来の一般的成形条件と同様
でよく、公知の２色成形機が硬質部分と軟質部分
を同時成形でき量産に最適であるが、一旦成形し
型から取出した硬質プラスチツク部分にインサー
ト方式を利用して熱可塑性エラストマーを一体成
形させてもよい。 Such a composite plastic molded article of the present invention is manufactured by an injection molding method, in which polypropylene resin, which is a hard plastic molding material, is first injected into a mold, and then a thermoplastic elastomer is injected.
This is an injection molding method that fuses the two together at the same time as molding. The molding conditions themselves may be the same as conventional general molding conditions, and a known two-color molding machine can simultaneously mold hard and soft parts, making it ideal for mass production. The thermoplastic elastomer may be integrally molded using this method.
（作用・効果）
以上の如き本発明方法によれば、硬質プラスチ
ツク成形材料であるポリプロピレン樹脂と軟質プ
ラスチツク材料である熱可塑性エラストマーとの
複合プラスチツク成形品が単なる両者の射出成形
で得ることが出来る。従つて、従来の嵌合法の如
き複雑で高価な金型の使用は不要となり、又、接
着剤も全く使用する必要がないので極めて経済的
に一体化した優れた複合プラスチツク成形品を提
供することが可能となつた。(Function/Effect) According to the method of the present invention as described above, a composite plastic molded article of polypropylene resin, which is a hard plastic molding material, and thermoplastic elastomer, which is a soft plastic material, can be obtained simply by injection molding of both. Therefore, it is not necessary to use complicated and expensive molds as in the conventional fitting method, and there is no need to use adhesive at all, so it is an object to provide an excellent composite plastic molded product that is integrated extremely economically. became possible.
次に実施例を挙げて本発明を更に具体的に説明
する。 Next, the present invention will be explained in more detail with reference to Examples.
射出成型機としてDC100−200型２色成型機
（日精樹脂工業株式会社製造）を使用し、ポリプ
ロピレン樹脂を200℃乃至230℃の温度で溶融し、
第１図の如きキヤビテイ形状を有する50℃の温度
の金型内に注入した。これによつて第１図の１の
形状のポリプロピレン成形体が成形される。 Using a DC100-200 type two-color molding machine (manufactured by Nissei Jushi Kogyo Co., Ltd.) as an injection molding machine, polypropylene resin was melted at a temperature of 200℃ to 230℃,
The mixture was poured into a mold having a cavity shape as shown in FIG. 1 at a temperature of 50°C. As a result, a polypropylene molded body having the shape 1 in FIG. 1 is molded.
次に上記ポリプロピレン樹脂が固化したら、熱
可塑性エラストマー（住友TPE）を180℃乃至
240℃の温度で溶融して同一の金型に注入させた。
これによつて第１図の２の形状のTPE成形体が
成形される。 Next, once the above polypropylene resin has solidified, thermoplastic elastomer (Sumitomo TPE) is heated to 180°C or
It was melted at a temperature of 240°C and poured into the same mold.
As a result, a TPE molded body having the shape 2 in FIG. 1 is formed.
金型を冷却後該金型を開き、第１図の如き複合
プラスチツク成形品を得た。 After cooling the mold, the mold was opened to obtain a composite plastic molded article as shown in FIG.
この成形品はポリプロピレン樹脂部分と熱可塑
性エラストマー部分との境界部において両者が共
に溶融接着して完全に一体化しており剥離不能で
あつた。 In this molded article, the polypropylene resin portion and the thermoplastic elastomer portion were melted and bonded together at the boundary and were completely integrated, and could not be separated.
尚、ポリプロピレン樹脂を着色する場合、例え
ば、黒く着色するときはポリプロピレン100部に
対し、カーボンブラツク１部（重量比）を混入す
る。 When coloring the polypropylene resin, for example, when coloring it black, 1 part (by weight) of carbon black is mixed with 100 parts of polypropylene.
第１図は、本発明方法による複合プラスチツク
成形物の断面を図解的に示し、第２乃至第３図は
従来技術のプラスチツク成形物の断面を図解的に
示す。
１，１′，１″……硬質プラスチツク成形材料、
２，２′，２″……軟質プラスチツク成形材料、
３，３′，３″……接合部分。
FIG. 1 diagrammatically shows a cross-section of a composite plastic molding according to the method of the invention, and FIGS. 2 and 3 diagrammatically show cross-sections of a plastic molding according to the prior art. 1, 1', 1''...Hard plastic molding material,
2, 2', 2''...soft plastic molding material,
3, 3', 3''...joint part.
Claims (1)
し、次いで非加硫の熱可塑性エラストマーを溶融
射出して、ポリプロピレン部材と熱可塑性エラス
トマー部材とを一体的に融着成形させることを特
徴とする複合プラスチツク成形品の製造方法。 ２ 非加硫の熱可塑性エラストマーが、スチレン
ポリマーとエチレンポリマーとブチレンポリマー
とのブロツクコポリマーである特許請求の範囲第
１項に記載の複合プラスチツク成形品の製造方
法。[Scope of Claims] 1. Melt-injection molding a polypropylene resin in a mold, then melt-injecting an unvulcanized thermoplastic elastomer, and integrally fusion-molding the polypropylene member and the thermoplastic elastomer member. A method for producing a composite plastic molded product characterized by: 2. The method for producing a composite plastic molded article according to claim 1, wherein the unvulcanized thermoplastic elastomer is a block copolymer of a styrene polymer, an ethylene polymer, and a butylene polymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5738385A JPS61213145A (en) | 1985-03-19 | 1985-03-19 | Composite plastic molded shape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5738385A JPS61213145A (en) | 1985-03-19 | 1985-03-19 | Composite plastic molded shape |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1208783A Division JPH0825225B2 (en) | 1989-08-11 | 1989-08-11 | Method for manufacturing composite plastic molded product |
| JP5340216A Division JP2921636B2 (en) | 1993-12-08 | 1993-12-08 | Plastic molding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61213145A JPS61213145A (en) | 1986-09-22 |
| JPH028572B2 true JPH028572B2 (en) | 1990-02-26 |
Family
ID=13054080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5738385A Granted JPS61213145A (en) | 1985-03-19 | 1985-03-19 | Composite plastic molded shape |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61213145A (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07115434B2 (en) * | 1986-11-05 | 1995-12-13 | 旭化成工業株式会社 | Multi-layer tube-shaped molded product |
| JPS63115711A (en) * | 1986-11-05 | 1988-05-20 | Asahi Chem Ind Co Ltd | Double-layer injection molding |
| JPS63173833A (en) * | 1987-01-12 | 1988-07-18 | Daikyo Kk | Synthetic resin cover with gasket and manufacture thereof |
| JPH0619803B2 (en) * | 1987-04-09 | 1994-03-16 | 日本電気株式会社 | Magnetic recording device |
| JPS6422519A (en) * | 1987-07-18 | 1989-01-25 | Toyoda Gosei Kk | Injection molded form of coating soft resin |
| JPS6422516A (en) * | 1987-07-18 | 1989-01-25 | Toyoda Gosei Kk | Soft resin insert molded form |
| JPH064261B2 (en) * | 1988-10-17 | 1994-01-19 | 大成プラス株式会社 | Automotive lamp packing assembly method |
| DE4405765C2 (en) * | 1994-02-23 | 1996-01-18 | Braun Ag | Housing for an electrically operated device for personal use |
| EP0699519A3 (en) | 1994-08-30 | 1998-04-22 | Shell Internationale Researchmaatschappij B.V. | Co moulded multi-layer polymer blend system, and shaped articles derived therefrom |
| US6406123B1 (en) | 1998-09-07 | 2002-06-18 | Seiko Epson Corporation | Capping unit for ink jet recording head incorporated in ink jet recording apparatus and method of manufacturing the same |
| CN106738615A (en) * | 2016-12-23 | 2017-05-31 | 张家港市大能塑料制品有限公司 | A kind of production technology of plastics and rubber combined layer |
| CN106608011A (en) * | 2016-12-23 | 2017-05-03 | 张家港市大能塑料制品有限公司 | Novel plastic production process |
-
1985
- 1985-03-19 JP JP5738385A patent/JPS61213145A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61213145A (en) | 1986-09-22 |
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