JPH0677931B2 - Manufacturing method of container spout - Google Patents
Manufacturing method of container spoutInfo
- Publication number
- JPH0677931B2 JPH0677931B2 JP61184652A JP18465286A JPH0677931B2 JP H0677931 B2 JPH0677931 B2 JP H0677931B2 JP 61184652 A JP61184652 A JP 61184652A JP 18465286 A JP18465286 A JP 18465286A JP H0677931 B2 JPH0677931 B2 JP H0677931B2
- Authority
- JP
- Japan
- Prior art keywords
- aluminum foil
- spout
- container
- mouth wall
- film
- 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 - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
- B65D5/42—Details of containers or of foldable or erectable container blanks
- B65D5/72—Contents-dispensing means
- B65D5/74—Spouts
- B65D5/746—Spouts formed separately from the container
-
- 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
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Closures For Containers (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 この発明は、容器、箱体、カートン、カン、等の各種の
入れものに用いる、入れものの注出口の製造方法に関す
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing a spout of a container used for various containers such as containers, boxes, cartons, cans, and the like.
従来の技術 従来、箱体、カートン、カン、等の入れものの注出口と
して第５図及び第６図に示すようなものが用いられてい
る。同図においてａは入れものに対する取付部、ｂは注
筒、ｃは口壁であり、全体は柔軟性の合成樹脂により形
成されている。2. Description of the Related Art Conventionally, as shown in FIGS. 5 and 6, a spout for a container such as a box, a carton, a can or the like has been used. In the figure, a is a mounting portion for a container, b is a spout, and c is a mouth wall, and the whole is formed of a flexible synthetic resin.
そしてｄは無端状の裂溝、ｅはこの裂溝ｄ内側に形成さ
れた切取部であり、この切取部ｅ上にプルリング等の裂
取部材ｆが設けられている。ｇは螺条であり、ｈ（第６
図）はこの螺条ｇに螺合する螺溝ｉを有する蓋体であ
る。Further, d is an endless fissure, e is a cutout formed inside the fissure d, and a tearing member f such as a pull ring is provided on the cutout e. g is a thread, and h (6th
The drawing shows a lid having a thread groove i that is screwed into the thread g.
そして前記裂溝ｄには、アルミニウム等を用いたフイル
ム箔ｊが付着させられている。このフイルム箔ｊは一例
として第７図に示すように形成されており、同図におい
てｋはアルミニウム箔、ｌ、ｍは合成樹脂層を示す。A film foil j made of aluminum or the like is attached to the fissure d. The film foil j is formed as shown in FIG. 7 by way of example, in which k is an aluminum foil and l and m are synthetic resin layers.
なお、取付部ａはフランジ状に形成され、一例としてカ
ートンに取付ける構造が示されている。The mounting portion a is formed in a flange shape, and as an example, a structure for mounting on a carton is shown.
発明が解決しようとする問題点 第５図に示す入れものの注出口は、形成された場合、理
由は不明であるが、第８図に示すように取付部ａ、口壁
ｃ等は若干ながら断面弧状に、上方に曲つてしまうので
ある。Problems to be Solved by the Invention Although the reason for the spout of the container shown in FIG. 5 being formed is unknown, as shown in FIG. 8, the mounting portion a, the mouth wall c, etc. are slightly cross-sectioned. It bends upward in an arc.
このようなものはカートン等の表面が平面状となつてい
る入れものの表面に取付ける場合、接触が不良で、溶
着、接着等が不充分となり易く取付けに悪影響を及ぼ
す。When such a product is attached to the surface of a container such as a carton whose surface is flat, the contact is poor, and welding, adhesion, etc. are likely to be insufficient, which adversely affects the installation.
この発明は、このような問題を解決するためになされた
もので、その目的はフランジ状の取付部ａを有する入れ
ものの注出口においてフランジ状の取付部ａ及び口壁ｃ
等の、前記のような曲りを制御できる入れものの注出口
の製造方法を提供することである。The present invention has been made to solve such a problem, and its purpose is to provide a flange-shaped mounting portion a and a mouth wall c in a spout of a container having a flange-shaped mounting portion a.
It is another object of the present invention to provide a method for manufacturing a spout of a container in which bending as described above can be controlled.
この発明を実施例を示す図面について述べると第１図及
び第２図において、フランジ状の取付部１に注筒２を設
け、該注筒２内側に口壁３を形成し、該口壁３に無端状
の裂溝４を形成して入れものの注出口５を形成するとこ
ろの金型６内に、アルミニウム箔７に熱収縮性フイルム
８を付着させて形成したアルミ箔フイルム９を収容し、
該アルミ箔フイルム９を前記口壁３に対応させて位置せ
しめ、前記金型６内に加熱溶融した合成樹脂を注入する
ことを特徴とする入れものの注出口の製造方法である。With reference to the drawings showing an embodiment of the present invention, in Fig. 1 and Fig. 2, a casting pipe 2 is provided in a flange-shaped mounting portion 1, a mouth wall 3 is formed inside the casting pipe 2, and the mouth wall 3 An aluminum foil film 9 formed by adhering a heat-shrinkable film 8 to an aluminum foil 7 is accommodated in a mold 6 where an endless fissure 4 is formed to form a spout 5 of a container.
The method for producing a spout of a container is characterized in that the aluminum foil film 9 is positioned so as to correspond to the mouth wall 3, and the synthetic resin that has been heated and melted is injected into the mold 6.
作用 アルミニウム箔７に熱収縮性フイルム８を付着せしめて
形成したアルミ箔フイルム９を、入れものの注出口５の
形成用の金型６内に収容し、該アルミ箔フイルム９を口
壁３に対応させて位置せしめ、この金型６内に溶融した
合成樹脂を注入すると、第１図に示すように、アルミ箔
フイルム９をインサート成形した処の、入れものの注出
口５が形成される。Action The aluminum foil film 9 formed by attaching the heat-shrinkable film 8 to the aluminum foil 7 is housed in the mold 6 for forming the spout 5 of the container, and the aluminum foil film 9 corresponds to the mouth wall 3. Then, when the molten synthetic resin is poured into the mold 6, the spout 5 of the container is formed as shown in FIG. 1 where the aluminum foil film 9 is insert-molded.
この場合アルミ箔フイルム９は口壁３の下側に、口壁３
に対応してインサート成型される。そしてこの場合前記
アルミ箔フイルム９の熱収縮性フイルム８は、前記溶融
した合成樹脂の熱により収縮を起し、口壁３の下面に付
着しつつ、口壁３の下面及び取付部１の下面を半径方向
内方に引つ張る作用をし、従来であれば第８図に示すよ
うに曲げられた取付部ａ及び口壁ｃを、第３図に示すよ
うにはぼ水平に形成することができる。勿論この場合、
アルミ箔フイルム９が取付部１、口壁３等を内側に引つ
張るその量は予め算出されて判明しており、これにより
前記のようにほぼ水平に形成されるのである。In this case, the aluminum foil film 9 is placed below the mouth wall 3 and
It is insert-molded according to. In this case, the heat-shrinkable film 8 of the aluminum foil film 9 shrinks due to the heat of the molten synthetic resin and adheres to the lower surface of the mouth wall 3, while the lower surface of the mouth wall 3 and the lower surface of the mounting portion 1 To pull inwardly in the radial direction and form the mounting portion a and the mouth wall c which are conventionally bent as shown in FIG. 8 substantially horizontally as shown in FIG. You can Of course, in this case
The amount by which the aluminum foil film 9 pulls the mounting portion 1, the mouth wall 3 and the like inward has been calculated in advance and is known, whereby the aluminum foil film 9 is formed substantially horizontally as described above.
実施例 第１図において11は裂溝４内側に形成された裂取部で、
この裂取部11上に、ブルリング等の裂取部材12が設けら
れる。13は金型６の湯口である。Example In FIG. 1, 11 is a tearing portion formed inside the fissure 4,
A tearing member 12 such as a bull ring is provided on the tearing portion 11. 13 is a sprue for the die 6.
前記アルミ箔フイルム９について述べると、これはほぼ
40〜70ミクロンの厚さの熱収縮性フイルムと、ほぼ９ミ
クロンのアルミニウム箔を張り合せたもので、加熱によ
り良好に全体が収縮するようになつているものである。The aluminum foil film 9 is almost the same.
A heat-shrinkable film having a thickness of 40 to 70 microns and an aluminum foil having a thickness of approximately 9 microns are laminated together, and the entire film is properly shrunk by heating.
次にアルミ箔フイルム９は第３図に示すように取付部１
及び口壁３をほぼ水平にするように設けられるが、他の
目的に、例えば第８図に示すもの程でなくとも、若干量
同図に示すもののように上方に曲がるように、その使用
面積等を勘案して用いてもよい。Next, the aluminum foil film 9 is attached to the mounting portion 1 as shown in FIG.
And the mouth wall 3 is provided so as to be substantially horizontal, but for other purposes, for example, even if it is not as large as that shown in FIG. 8, the used area is slightly bent upward as shown in FIG. Etc. may be used in consideration.
このようにすることにより図示しない整列機等の上の進
行を良好にさせることができよう。By doing so, it is possible to improve the progress on the aligning machine (not shown).
発明の効果 この発明は、前記のように構成され、フランジ状の取付
部１に注筒２を設け、注筒２内側に口壁３を形成し、該
口壁３に裂溝４を形成して入れものの注出口５を形成す
る処の金型６内に、アルミニウム箔７に熱収縮性フイル
ム８を付着させて形成したアルミ箔フイルム９を収容
し、該アルミ箔フイルム９を、前記口壁３に対応させて
位置させ、金型６内に加熱溶融した合成樹脂を注入する
ことにより、成形される注出口５の、口壁３、取付部１
等の前記のような曲りを制御することができる。EFFECTS OF THE INVENTION The present invention is configured as described above, in which the flange-shaped mounting portion 1 is provided with the injection pipe 2, the mouth wall 3 is formed inside the injection pipe 2, and the groove 4 is formed in the mouth wall 3. An aluminum foil film 9 formed by adhering a heat-shrinkable film 8 to an aluminum foil 7 is housed in a mold 6 where a pouring port 5 of the container is formed, and the aluminum foil film 9 is attached to the mouth wall. 3, the synthetic resin that has been heated and melted is injected into the mold 6, and the mouth wall 3 and the mounting portion 1 of the spout 5 that is molded.
It is possible to control the bending as described above.
第１図〜第４図はこの発明の実施例を示し、第１図は入
れものの注出口の製造用金型の断面図、第２図は入れも
のの注出口に用いるアルミ箔フイルムの断面図、第３図
は入れものの注出口の半断面図、第４図は同注出口に用
いる蓋の半断面図、第５図〜第８図は従来の入れものの
注出口の半断面図、第６図は同注出口に用いる蓋体の半
断面図、第７図は同注出口に用いるフイルム箔の断面
図、第８図は入れものの注出口の正面図である。 １……取付部 ２……注筒 ３……口壁 ４……裂溝 ５……入れものの注出口 ６……金型 ７……アルミニウム箔 ８……熱収縮性フイルム ９……アルミ箔フイルム1 to 4 show an embodiment of the present invention, FIG. 1 is a sectional view of a mold for producing a spout of a container, FIG. 2 is a sectional view of an aluminum foil film used for a spout of a container, FIG. 3 is a half sectional view of a spout of a container, FIG. 4 is a half sectional view of a lid used for the spout, and FIGS. 5 to 8 are half sectional views of a spout of a conventional container. Is a half sectional view of the lid used for the spout, FIG. 7 is a sectional view of the film foil used for the spout, and FIG. 8 is a front view of the container spout. 1 …… Mounting part 2 …… Casting tube 3 …… Mouth wall 4 …… Groove 5 …… Spout of container 6 …… Mold 7 …… Aluminum foil 8 …… Heat-shrinkable film 9 …… Aluminum foil film
Claims (1)
設け、該注筒（２）内側に口壁（３）を形成し、該口壁
（３）に無端状の裂溝（４）を形成して入れものの注出
口（５）を形成するところの金型（６）内に、アルミニ
ウム箔（７）に熱収縮性フイルム（８）を付着させて形
成したアルミ箔フイルム（９）を収容し、該アルミ箔フ
イルム（９）を前記口壁（３）に対応させて位置せし
め、前記金型（６）内に加熱溶融した合成樹脂を注入す
ることを特徴とする入れものの注出口の製造方法。1. A flange-shaped mounting portion (1) is provided with a casting pipe (2), and a mouth wall (3) is formed inside the casting pipe (2), and the mouth wall (3) has an endless tear. Aluminum foil film formed by attaching a heat-shrinkable film (8) to an aluminum foil (7) in a mold (6) where a groove (4) is formed to form a spout (5) of a container. (9) is accommodated, the aluminum foil film (9) is positioned so as to correspond to the mouth wall (3), and heat-melted synthetic resin is injected into the mold (6). Manufacturing method of thing spout.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61184652A JPH0677931B2 (en) | 1986-08-06 | 1986-08-06 | Manufacturing method of container spout |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61184652A JPH0677931B2 (en) | 1986-08-06 | 1986-08-06 | Manufacturing method of container spout |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6341109A JPS6341109A (en) | 1988-02-22 |
| JPH0677931B2 true JPH0677931B2 (en) | 1994-10-05 |
Family
ID=16156982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61184652A Expired - Lifetime JPH0677931B2 (en) | 1986-08-06 | 1986-08-06 | Manufacturing method of container spout |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0677931B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02299819A (en) * | 1989-05-15 | 1990-12-12 | Dainippon Printing Co Ltd | Manufacture of pouring-out port |
| ES2671708T3 (en) * | 2014-06-10 | 2018-06-08 | Tetra Laval Holdings & Finance S.A. | Opening device and apparatus for molding an opening device in a laminar packaging material |
-
1986
- 1986-08-06 JP JP61184652A patent/JPH0677931B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6341109A (en) | 1988-02-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |