JPH0521731B2 - - Google Patents
Info
- Publication number
- JPH0521731B2 JPH0521731B2 JP63175074A JP17507488A JPH0521731B2 JP H0521731 B2 JPH0521731 B2 JP H0521731B2 JP 63175074 A JP63175074 A JP 63175074A JP 17507488 A JP17507488 A JP 17507488A JP H0521731 B2 JPH0521731 B2 JP H0521731B2
- Authority
- JP
- Japan
- Prior art keywords
- paper
- mold
- synthetic resin
- cloth
- injection
- 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 - Fee Related
Links
- 239000004744 fabric Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 22
- 238000002347 injection Methods 0.000 claims description 21
- 239000007924 injection Substances 0.000 claims description 21
- 229920003002 synthetic resin Polymers 0.000 claims description 18
- 239000000057 synthetic resin Substances 0.000 claims description 18
- 239000002537 cosmetic Substances 0.000 claims description 14
- 238000001746 injection moulding Methods 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 8
- 229920005989 resin Polymers 0.000 description 16
- 239000011347 resin Substances 0.000 description 16
- 239000000463 material Substances 0.000 description 15
- 239000000047 product Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000005034 decoration Methods 0.000 description 3
- 241000167854 Bourreria succulenta Species 0.000 description 2
- 235000019693 cherries Nutrition 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 229920006383 Tyril Polymers 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000037303 wrinkles Effects 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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
-
- 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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
- B29C45/14811—Multilayered articles
-
- 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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14827—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles using a transfer foil detachable from the insert
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は表面を紙質で加飾された合成樹脂製化
粧品容器の成形法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a method for molding a synthetic resin cosmetic container whose surface is decorated with paper.
合成樹脂製化粧品容器の成形法とし、生産性や
デザインや着色の自由度などの利点から射出成形
法が汎用されている。ところで、この種化粧品容
器は利用者の美意識に深く関係した用途であるた
め、容器外観が重視され、人目を惹き個性とバラ
イテイーに富んだ装飾が要求され、旧来より数々
の加飾技術が提案されている。
Injection molding is widely used as a method for molding cosmetic containers made of synthetic resin due to its advantages such as productivity, design, and coloring freedom. Incidentally, since this type of cosmetic container is used for applications that are closely related to the aesthetic sense of the user, emphasis is placed on the appearance of the container, and decorations that are eye-catching and rich in individuality and variety are required. ing.
そのひとつとして、合成樹脂射出成形品の表面
を和紙等の紙で加飾する方法がある。紙類はデザ
イン、色彩、模様、図柄等の自由度が高く、種類
も多く、かつ材料費が安いという利点があるが、
従来のこの種紙類の加飾方法は、一般的に、合成
樹脂射出成形品を作り、これに紙類を適当な接着
剤を用いて接着する方法が採られていた。しか
し、この方法は工数が多く、面倒な作業が要する
ためコスト高となり、その割に良品が得られない
という問題があつた。 One method is to decorate the surface of a synthetic resin injection molded product with paper such as Japanese paper. Paper has the advantage of having a high degree of freedom in design, color, pattern, design, etc., comes in many types, and has low material costs.
Conventional methods for decorating this type of paper generally involve making a synthetic resin injection molded product and adhering the paper to this using a suitable adhesive. However, this method requires a large number of man-hours and troublesome work, resulting in high costs, and there is a problem in that good quality products cannot be obtained.
この対策としては、化粧品容器の射出成形時に
紙類にダイレクトに接合することが考えられる。
しかし、紙類は周知のように薄く、強度が乏し
く、熱による影響を受けやすい。そのため、射出
圧により紙類が破損して樹脂中に混入したり、キ
ヤビテイの型面に貼り付き、剥がせなくなる等の
トラブルが多発し、良品歩留りがきわめて悪くな
る。 As a countermeasure to this problem, it is possible to directly bond it to paper during injection molding of cosmetic containers.
However, as is well known, paper is thin, has poor strength, and is easily affected by heat. As a result, problems such as paper being damaged by the injection pressure and mixed into the resin, or sticking to the mold surface of the cavity and becoming unable to be removed occur frequently, resulting in an extremely low yield of non-defective products.
特開昭49−110747号公報には、プラスチツク絵
皿の成形紙類による加飾法として、透明な樹脂シ
ートの裏面に絵柄紙を貼着したものを皿の形状に
切り抜いて表層材とし、その表層材を70〜80℃に
加熱した金型内に配して加圧軟化させることで湾
曲状に予備成形し、次いで樹脂を射出し、絵柄紙
と樹脂シートの両層を成形体に密着させる方法が
提案されている。 JP-A No. 49-110747 discloses a method of decorating plastic picture plates with molded paper, in which a patterned paper is pasted on the back of a transparent resin sheet, which is then cut out in the shape of a plate and used as the surface material. The surface layer material is placed in a mold heated to 70-80℃ and softened under pressure to preform it into a curved shape.Then, resin is injected and both the patterned paper and resin sheet layers are brought into close contact with the molded body. A method is proposed.
しかしこの先行技術は、紙とプラスチツクの積
層体の加飾（絵柄紙が樹脂シートと成形品との間
でサンドイツチ状に貼付られる）であつて紙質だ
けで加飾されたものではないため、紙質特有の質
感や肌ざわりを活かすことができない。 However, this prior art is a decoration of a laminate of paper and plastic (patterned paper is pasted like a sandwich between a resin sheet and a molded product), and is not decorated only with paper quality. It is not possible to take advantage of the unique texture and feel of the skin.
しかも、先行技術は、加飾用の絵柄紙を樹脂シ
ートに接着剤で貼着する工程、成形品の大きさや
形状に合わせて切り抜く工程が必要であり、さら
にその積層表層材を金型に入れて加熱・加圧して
積層表層材を湾曲状に予備成形する工程を必要と
する。このため、製造工程数が多いとともに非常
に手間がかかり、生産能率が低下し、製造コスト
が高くなることを避けられない。 Moreover, the prior art requires a process of attaching decorative paper to a resin sheet with adhesive, a process of cutting out the molded product according to its size and shape, and then placing the laminated surface material in a mold. This requires a step of preforming the laminated surface material into a curved shape by applying heat and pressure. For this reason, the number of manufacturing steps is large and it is extremely time-consuming, resulting in a decrease in production efficiency and an increase in manufacturing costs.
さらに、射出成形時の熱に加え、予備成形時に
加熱されるため、それらの熱的影響で紙質が劣化
したり印刷の退色が生じたりしやすく、また、前
記２度の加熱と圧縮力により接着剤が溶けたり、
プラスチツクフイルムが部分的に溶融したりし、
型面に貼り付くトラブルが生じやすいという問題
があつた。 Furthermore, in addition to the heat generated during injection molding, heat is also applied during preforming, so these thermal effects tend to deteriorate the paper quality and cause print discoloration.Also, the above-mentioned two-degree heating and compressive force cause adhesion. If the agent dissolves,
The plastic film may partially melt,
There was a problem in that it easily stuck to the mold surface.
本発明は前記のような問題点を解決するために
創案されたもので、その目的とするところは、デ
ザイン、色彩の自由度が高く独特な質感や肌ざわ
りのある反面、機械的および熱的強度が弱い紙類
を使用し、その弱点をうまく補つてダイレクトに
紙質で加飾された合成樹脂製化粧品容器を極めて
簡単な工程で能率良く低コストで成形できる方法
を提供することにある。 The present invention was created to solve the above-mentioned problems, and its purpose is to provide a unique texture and feel with a high degree of freedom in design and color, while improving mechanical and thermal strength. To provide a method for efficiently molding a cosmetic container made of synthetic resin directly decorated with paper in an extremely simple process at a low cost by using paper which has weak properties.
上記目的を達成するため本発明は、合成樹脂製
化粧品容器を射出成形するにあたり、帯状の紙類
とこれによりも強度が高く柔軟でかつ紙類と肌離
れしやすい帯状の布を接着することなく重合して
紙類が射出孔に面するように金型外の両側からパ
ーテイング面に添つて張設し、射出孔により熱溶
融合成樹脂を射出し、冷却、固化したのち離型す
ることで帯状の布を剥離する方法としたものであ
る。
In order to achieve the above object, the present invention enables injection molding of synthetic resin cosmetic containers without bonding a strip-shaped paper and a strip-shaped cloth that is stronger, more flexible, and more easily separated from the paper. The polymerized paper is stretched along the parting surface from both sides outside the mold so that it faces the injection hole, and hot-melt synthetic resin is injected through the injection hole, cooled and solidified, and then released from the mold to form a band. This is a method for peeling off the cloth.
以下本発明を添付図面に基いて詳述すると、第
１図ないし第３図は本発明の第１の方法を模式的
に示しており、１は雄型、２は雌型であり、それ
らの間に所要のキヤビテイ３が形成されるように
なつている。４は射出ノズルである。 The present invention will be described below in detail based on the accompanying drawings. Figures 1 to 3 schematically show the first method of the present invention, 1 is a male type, 2 is a female type, and their A required cavity 3 is formed between them. 4 is an injection nozzle.
本発明はこのような射出成形型で合成樹脂製の
化粧品容器を成形するに際して、帯状の紙類５と
同じく帯状の布６を接着することなく重ね合せた
状態で、しかも紙類５が射出ノズル４に対向する
ようにパーテイング面２０に添つて張設する。 When molding a cosmetic container made of synthetic resin using such an injection mold, the present invention provides a method in which the paper strip 5 and the strip cloth 6 are overlapped without gluing, and the paper material 5 is injected into the injection nozzle. 4 along the parting surface 20.
ここで「紙類」としては、天然または合成の和
紙、洋紙のいずれをも含む。代表的なものとして
は、千代紙、染め紙、型染め紙、クレープペーパ
ーと称する揉み上げ紙、模様紙、擬革紙、薄葉紙
などがあげられる。 Here, "paper" includes both natural or synthetic Japanese paper and Western paper. Typical examples include chiyogami, dyed paper, stenciled paper, rolled paper called crepe paper, patterned paper, fake leather paper, and thin paper.
また、「布」としては、紙類５よりも強度が高
く、柔軟でかつ紙類５と肌離れしやすい材料すな
わち合成繊維、天然繊維、半合成繊維の織物また
は編物類が用いられる。 Further, as the "cloth", a material that is stronger than the paper 5, is flexible, and easily separates from the paper 5, ie, a woven or knitted fabric made of synthetic fiber, natural fiber, or semi-synthetic fiber is used.
前記帯状の紙類５と帯状の布６はロール巻きし
たものが用いられ、金型外に延長してピンチロー
ラ等の送り装置で移動させる方式とする。 The band-shaped paper 5 and the band-shaped cloth 6 are wound into rolls, and are extended outside the mold and moved by a feeding device such as a pinch roller.
上記のようにパーテイング面２０に紙類５と薄
層材６を重ね合わせた状態で張設した後、型合わ
せを行い、射出ノズル４からキヤビテイ３に溶融
合成樹脂７を射出する。これによりキヤビテイ３
は合成樹脂７で満たされ、その表面に紙類５が接
着され、紙類５の布６は雄型２の内面２１に密接
される。紙類５は布６によりバツクアツプされて
いるため、射出圧や樹脂温度により破損すること
なく、かつまた雌型面に貼り付くことなく、樹脂
表面にだけ完全に接合される。 After the paper 5 and the thin layer material 6 are stretched over the parting surface 20 as described above, the molds are matched, and the molten synthetic resin 7 is injected into the cavity 3 from the injection nozzle 4. This allows cavity 3
is filled with synthetic resin 7, paper 5 is adhered to its surface, and cloth 6 of paper 5 is brought into close contact with inner surface 21 of male mold 2. Since the paper 5 is backed up by the cloth 6, it is completely bonded only to the resin surface without being damaged by injection pressure or resin temperature, and without sticking to the female mold surface.
冷却後、雄型１と雌型２を開き、成形品８を取
出す。布６は紙類５と接着されておらず、また片
側も雌側２の表面と接着されていないため、離型
力で自動的に紙類５及び金型の双方から剥離され
る。そして、布６は帯状であり損耗がないため繰
返し使用することができる。 After cooling, the male mold 1 and the female mold 2 are opened and the molded product 8 is taken out. Since the cloth 6 is not adhered to the paper 5 and neither one side is adhered to the surface of the female side 2, the cloth 6 is automatically peeled off from both the paper 5 and the mold by the mold release force. Since the cloth 6 is in the form of a band and does not wear out, it can be used repeatedly.
前記布６よる作用を補足すると、布は織構造な
いし編構造となつており、柔軟でかつ紙より対的
に強度が高いため精密に型面形状に添つて接触
し、樹脂射出時に強度の弱い紙を背後から補強し
つつ紙の型面への接触を防止する。 To supplement the effect of the cloth 6, the cloth has a woven or knitted structure, and is flexible and has higher strength than paper, so it contacts precisely along the shape of the mold surface, and has a weak strength during resin injection. To prevent paper from coming into contact with the pattern surface while reinforcing the paper from behind.
さらに、布は織構造ないし編構造特有の目によ
り粗面状であり、フイルムに比べて型面や紙との
接触面積が少ないため肌離れがよく、かつテンシ
ヨンがかけられているため、紙および雌型面と剥
離しやすい。 Furthermore, cloth has a rough surface due to the texture peculiar to its woven or knitted structure, and compared to film, it has less contact area with the pattern surface and paper, so it releases easily from the skin, and because it is under tension, it Easy to separate from female mold surface.
さらに布を帯状のまま使用することと織構造な
いし編構造による強度と柔軟性とにより各シヨツ
トごとに順次移動させて使用することができるた
め、無駄がなく繰返し使用できる。 Furthermore, since the cloth can be used as a strip and the strength and flexibility of the woven or knitted structure allows it to be moved sequentially for each shot, it can be used repeatedly without waste.
以上の工程により、第４図ａ，ｂで例示するよ
うな表面を紙類５で加飾された装飾性の高い製品
９が得られる。 Through the above steps, a highly decorative product 9 whose surface is decorated with paper 5 as illustrated in FIGS. 4a and 4b is obtained.
第５図は本発明の第２の方法を示している。こ
の方法は、加飾面が擦られたり、水分等が付着す
ることを嫌う化粧品容器に好適な例である。すな
わち、この場合には雌型２に射出ノズル４が設け
られ、この射出ノズル４に対向するように紙類５
が配される。そして合成樹脂としては透明樹脂が
用いられる。この方法によれば、製品の内面に紙
類５が装着され、それが外面から透視されるた
め、上記目的に適合させることができる。 FIG. 5 shows a second method of the invention. This method is a suitable example for cosmetic containers that do not want the decorated surface to be rubbed or have moisture attached. That is, in this case, the female mold 2 is provided with an injection nozzle 4, and the paper 5 is placed opposite the injection nozzle 4.
will be arranged. A transparent resin is used as the synthetic resin. According to this method, the paper 5 is attached to the inner surface of the product and can be seen through from the outer surface, so that it can be adapted to the above purpose.
以下本発明の実施例を示す。 Examples of the present invention will be shown below.
実施例 １
外形80mmφ、厚み２mmの断面半球状の化粧品容
器を射出成形するにあたり、厚さ約50μｍの桜模
様付き千代紙と40デニールナイロン製リツプスト
ツプタフタ（密度：縦横とも130本／インチ）を
重ね合せ、千代紙が雄型（ゲート側）に向くよう
に雌型パーテイング面に張設し、雄型を装着して
型締めした。成形機としては、東洋機械金属社製
の５オンス射出成形機を用い、ABS樹脂（商品
名スタイラツク120、旭化成工業(株)製）を樹脂温
度220℃で射出した。金型温度は30℃に保持した。Example 1 In injection molding a cosmetic container with an outer diameter of 80 mmφ and a hemispherical cross-section and a thickness of 2 mm, Chiyogami with a cherry blossom pattern approximately 50 μm thick and lip stop taffeta made of 40 denier nylon (density: 130 pieces/inch in length and width) were used. They were stacked one on top of the other, and the Chiyogami paper was stretched over the female mold parting surface so that it faced the male mold (gate side), and the male mold was attached and the molds were clamped. A 5-ounce injection molding machine manufactured by Toyo Kikai Kinzoku Co., Ltd. was used as a molding machine, and ABS resin (trade name Stylac 120, manufactured by Asahi Kasei Industries, Ltd.) was injected at a resin temperature of 220°C. The mold temperature was maintained at 30°C.
樹脂の冷却、固化後、金型を開き成形品を取出
した。リツプストツプタフタを型開きに伴い千代
紙及び雌型表面から剥離した。 After cooling and solidifying the resin, the mold was opened and the molded product was taken out. The lip stop taffeta was peeled off from the chiyogami paper and the surface of the female mold as the mold was opened.
この結果、第４図ａのような白抜きと黒抜きの
２種の桜の模様を有する紙質加飾容器が得られ
た。紙はしわが全くなく、樹脂と完全に一体化し
ていた。 As a result, a paper decorative container having two types of cherry blossom patterns, white and black, as shown in FIG. 4a, was obtained. The paper had no wrinkles and was completely integrated with the resin.
実施例 ２
射出ゲートを雌型側に設けた金型を用い、樹脂
をAS樹脂（商品名タイリル789、旭化成工業(株)
製）としたほか、実施例１と同じ条件で成形を行
つた。Example 2 Using a mold with an injection gate on the female mold side, the resin was made of AS resin (trade name Tyril 789, manufactured by Asahi Kasei Industries, Ltd.).
In addition, the molding was carried out under the same conditions as in Example 1.
その結果、内面（凹入面）が紙質で加飾され、
それがくつきりと透視された美麗な合成樹脂容器
が１シヨツトで得られた。 As a result, the inner surface (concave surface) is decorated with paper quality,
A beautiful synthetic resin container in which it was clearly visible was obtained in one shot.
以上説明した本発明によれば、合成樹脂製化粧
品容器を射出成形するにあたり、帯状の紙類とこ
れよりも強度が高く柔軟でかつ紙類と肌離れしや
すい帯状の布を接着することなく重合して紙類が
射出孔に面するように金型外の両側からパーテイ
ング面に添つて張設し、射出孔により熱溶融合成
樹脂を射出し、冷却、固化したのち離型すること
で帯状の布を剥離する方法としたので、豊富で精
巧な色彩や模様、図柄と特異な質感を持ち、比較
的安価な紙類の特性をうまく生かし、かつその弱
点である射出圧力や樹脂の熱による破損及びキヤ
ビテイへの貼り付きを回避して美麗な加飾を施す
ことができ、外観と肌ざわりの特異な商品価値の
高い化粧品容器を得ることができる。
According to the present invention described above, when injection molding a cosmetic container made of synthetic resin, a strip-shaped paper and a strip-shaped cloth that is stronger, more flexible, and easily separated from the paper are polymerized without adhesion. Then, the paper is stretched along the parting surface from both sides outside the mold so that it faces the injection hole, and the hot melted synthetic resin is injected through the injection hole, cooled and solidified, and then released from the mold to form a strip. The method of peeling the cloth makes good use of the characteristics of paper, which has rich and elaborate colors, patterns, patterns, and unique textures, and is relatively inexpensive, while also eliminating its weak points of damage caused by injection pressure and heat of the resin. Moreover, it is possible to avoid sticking to the cavity and apply beautiful decorations, and to obtain a cosmetic container with a unique appearance and texture and high commercial value.
さらに、加飾材としての紙とバツクアツプ材兼
離型材としての布の双方とも帯状のまま使用する
ため、加飾材を成形形状に予め加工する工程が不
要であり、どのような平面形状（たとえば真円
形、楕円形、角形など）にも自在に対応すること
ができ、しかも加飾材を得るための接着剤などに
よる積層工程も一切不要であり、したがつて模様
や絵柄の変更も容易であり、また、予備成形とい
つた工程も一切不要であり、さらに、バツクアツ
プ材兼離型材が消耗されず繰返し使用できる。さ
らに金型を何ら改造する必要もない。これらのた
め、前記したような美麗な紙質加飾化粧品容器を
最小の工程で、能率よく、非常に低コストで成形
できるなどのすぐれた効果が得られる。 Furthermore, since both paper as a decorative material and cloth as a back-up material and mold release material are used in the form of strips, there is no need to pre-process the decorative material into a molded shape. It can be made into any shape (perfect circle, oval, square, etc.), and there is no need for any lamination process using adhesives to obtain decorative materials, so it is easy to change patterns and designs. Moreover, there is no need for any processes such as preforming, and furthermore, the back-up material and mold release material are not consumed and can be used repeatedly. Furthermore, there is no need to modify the mold in any way. For these reasons, excellent effects such as the ability to mold the above-mentioned beautiful paper-based decorative cosmetic containers with minimal steps, efficiently, and at a very low cost can be obtained.
第１図ないし第３図は本発明による紙質加飾合
成樹脂製化粧品容器の成形法を段階的に示す断面
図、第４図ａ，ｂは本発明による成形品の例を示
す平面図、第５図は本発明による製造法の別の例
を示す断面図である。
１……雄型、２……雌型、４……射出ノズル、
５……紙類、６……布。
1 to 3 are cross-sectional views showing step-by-step a method of molding a cosmetic container made of paper decorative synthetic resin according to the present invention, and FIGS. 4a and 4b are plan views showing an example of a molded product according to the present invention. FIG. 5 is a sectional view showing another example of the manufacturing method according to the present invention. 1...male type, 2...female type, 4...injection nozzle,
5...Paper, 6...Cloth.
Claims (1)
り、帯状の紙類とこれよりも強度が高く柔軟でか
つ紙類と肌離れしやすい帯状の布を接着すること
なく重合して紙類が射出孔に面するように金型外
の両側からパーテイング面に添つて張設し、射出
孔により熱溶融合成樹脂を射出し、冷却、固化し
たのち離型することで帯状の布を剥離することを
特徴とする紙質加飾合成樹脂射出成形品の成形
法。1. When injection molding synthetic resin cosmetic containers, a strip of paper and a strip of cloth that is stronger, more flexible, and easier to separate from the paper are polymerized without adhesion, and the paper fits into the injection hole. The fabric is stretched along the parting surface from both sides outside the mold so that they are facing each other, and hot-melted synthetic resin is injected through the injection hole, cooled and solidified, and then released from the mold to peel off the band-shaped cloth. A molding method for paper-like decorative synthetic resin injection molded products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63175074A JPH0225312A (en) | 1988-07-15 | 1988-07-15 | Manufacture of paper-like decorating synthetic resin injection-molded item |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63175074A JPH0225312A (en) | 1988-07-15 | 1988-07-15 | Manufacture of paper-like decorating synthetic resin injection-molded item |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0225312A JPH0225312A (en) | 1990-01-26 |
| JPH0521731B2 true JPH0521731B2 (en) | 1993-03-25 |
Family
ID=15989778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63175074A Granted JPH0225312A (en) | 1988-07-15 | 1988-07-15 | Manufacture of paper-like decorating synthetic resin injection-molded item |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0225312A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9916045D0 (en) * | 1999-07-09 | 1999-09-08 | Kirby John K | Laminar mats and a method of production thereof |
| JP2005336649A (en) * | 2004-05-26 | 2005-12-08 | Kao Corp | Method for producing molded article |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5028462A (en) * | 1973-07-16 | 1975-03-24 | ||
| JPS516184A (en) * | 1974-07-06 | 1976-01-19 | Kleentek Ind | Ekishono seiseisochi |
| JPS6328781A (en) * | 1986-07-19 | 1988-02-06 | 吉貝機械金属株式会社 | Caliper brake gear for bicycle |
-
1988
- 1988-07-15 JP JP63175074A patent/JPH0225312A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5028462A (en) * | 1973-07-16 | 1975-03-24 | ||
| JPS516184A (en) * | 1974-07-06 | 1976-01-19 | Kleentek Ind | Ekishono seiseisochi |
| JPS6328781A (en) * | 1986-07-19 | 1988-02-06 | 吉貝機械金属株式会社 | Caliper brake gear for bicycle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0225312A (en) | 1990-01-26 |
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