JPH06312446A - Hollow container and production thereof - Google Patents
Hollow container and production thereofInfo
- Publication number
- JPH06312446A JPH06312446A JP12479093A JP12479093A JPH06312446A JP H06312446 A JPH06312446 A JP H06312446A JP 12479093 A JP12479093 A JP 12479093A JP 12479093 A JP12479093 A JP 12479093A JP H06312446 A JPH06312446 A JP H06312446A
- Authority
- JP
- Japan
- Prior art keywords
- hollow container
- head
- blow molding
- mouth
- protruding
- 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
Landscapes
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、食品、化粧品、薬品な
どのプラスチック製中空容器およびそれを熱可塑性樹脂
のブロー成形により製造する製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plastic hollow container for foods, cosmetics, medicines and the like and a manufacturing method for manufacturing the same by blow molding of a thermoplastic resin.
【０００２】[0002]
【従来の技術】この種の中空容器、およびその容器を熱
可塑性樹脂のブロー成形により製造する方法は、特開昭
５９−１７８２２５号公報に記載されているものなどが
知られている。2. Description of the Related Art A hollow container of this type and a method for producing the container by blow molding of a thermoplastic resin are known from those disclosed in JP-A-59-178225.
【０００３】[0003]
【発明が解決しようとする課題】熱可塑性樹脂のブロー
成形により製造された中空容器においては、口部の上端
に頭部を一体に形成して、頭部の上端からブロー成形の
ための圧力流体を導入した後、その開口部を加熱溶融し
て封止するが、その加熱溶融封止部は、特開昭５９−１
７８２２５号公報にも記載されているように、頭部の上
端に隆起状の瘢痕として残るので、中空容器の輸送、移
動時などにおいてその瘢痕が他の容器の外面に擦り傷を
生じさせるという問題がある。そこで、従来から、この
種の中空容器の製造に当たっては、加熱溶封止部の瘢痕
を除くためにかなりの時間と手数を費やしているのが実
状である。In a hollow container manufactured by blow molding of a thermoplastic resin, a head is integrally formed at the upper end of the mouth, and a pressure fluid for blow molding is formed from the upper end of the head. After the introduction, the opening is heated and melted for sealing, and the heating and melting sealing portion is disclosed in JP-A-59-1.
As described in Japanese Patent No. 78225, since it remains as a raised scar on the upper end of the head, there is a problem that the scar causes scratches on the outer surface of another container when the hollow container is transported or moved. is there. Therefore, conventionally, in the manufacture of this type of hollow container, it is the actual situation that a considerable amount of time and labor is spent to remove the scar at the heat-sealed portion.
【０００４】本発明は、このような問題点の解消を図る
ことを目的とし、ブロー成形のための圧力流体を導入す
る突出連通部を封止した封止部を頭部の上端に形成した
凹溝内に形成することにより、封止部の瘢痕をそのまま
に残しても、多数の中空容器の輸送や移動などの過程で
損傷することがなく、熱可塑性樹脂のブロー成形による
中空容器の製造工程を大幅に簡素化して、製造効率の向
上を図ることができる中空容器およびその製造方法を提
供するものである。SUMMARY OF THE INVENTION The present invention aims to solve the above problems, and a concave portion formed at the upper end of the head has a sealing portion for sealing a protruding communicating portion for introducing a pressure fluid for blow molding. By forming in the groove, even if the scar on the sealing part is left as it is, it will not be damaged in the process of transportation or movement of many hollow containers, and the manufacturing process of hollow containers by blow molding of thermoplastic resin The present invention provides a hollow container and a method for manufacturing the same, which is capable of significantly simplifying the manufacturing method and improving the manufacturing efficiency.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するた
め、本発明に係る中空容器は、胴部の一端に口部を有す
る熱可塑性樹脂製の中空容器であって、口部の上端にさ
らに膨出する頭部を一体に形成し、頭部の上端には凹溝
を形成するとともに、この凹溝内に、ブロー成形のため
の圧力流体を導入する突出連通部を封止した封止部を形
成したものである。In order to achieve the above object, the hollow container according to the present invention is a thermoplastic resin hollow container having a mouth portion at one end of a body portion, and a hollow container at the upper end of the mouth portion. A sealing part in which a bulging head is integrally formed, and a concave groove is formed in the upper end of the head, and a protruding communication part for introducing pressure fluid for blow molding is sealed in the concave groove. Is formed.
【０００６】また、本発明に係る中空容器の製造方法
は、胴部の一端に口部を有する熱可塑性樹脂製の中空容
器をブロー成形により製造する方法であって、口部の上
端に頭部を有するとともに頭部の上端に内方に凹設され
た凹溝を有する中空容器をこの頭部の凹溝に形成した突
出連通部から圧力流体を導入してブロー成形し、次いで
突出連通部を加熱溶融して溶融樹脂を移動させることに
より突出連通部を密封し加熱溶融封止部を形成するもの
である。The method for manufacturing a hollow container according to the present invention is a method for manufacturing a hollow container made of a thermoplastic resin having a mouth portion at one end of a body portion by blow molding, and the head portion is provided at the upper end of the mouth portion. A hollow container having a groove formed inwardly at the upper end of the head is blow-molded by introducing pressure fluid from the protruding communication part formed in the groove of the head, and then the protruding communication part is formed. By heating and melting and moving the molten resin, the protruding communication portion is sealed to form the heating and melting sealing portion.
【０００７】なお、本発明において、封止部とは、突出
連通部を形成する樹脂を加熱溶融して封止するものや、
あるいは別体の樹脂を加熱溶融して封止するもの、さら
には接着性の部材で封止するなど、種々の態様で実施で
きるものである。In the present invention, the term "sealing portion" means that the resin forming the protruding communication portion is heated and melted to be sealed,
Alternatively, it can be carried out in various modes such as a method of heating and melting a separate resin and sealing, and further a method of sealing with an adhesive member.
【０００８】[0008]
【作用】本発明に係る中空容器によれば、頭部の上端の
凹溝内に、ブロー成形のための圧力流体を導入する突出
連通部を封止した封止部を形成するので、この封止部が
他の中空容器に擦り傷を生じさせることはない。また、
本発明に係る中空容器の製造方法によれば、ブロー成形
後に突出連通部を加熱溶融して封止するのみで、所期の
中空容器が得られる。According to the hollow container of the present invention, a sealing portion for sealing the protruding communication portion for introducing the pressure fluid for blow molding is formed in the concave groove at the upper end of the head. The stopper does not scratch other hollow containers. Also,
According to the method for manufacturing a hollow container of the present invention, the desired hollow container can be obtained only by heating and melting and sealing the protruding communicating portion after blow molding.
【０００９】[0009]
【実施例】本発明の実施例を図面に基き説明する。図面
には本発明に係る中空容器として、胴部を押圧変形する
ことにより内容物を押し出す食品用ものが例示されてい
る。図１および図２において１は中空容器、２はその胴
部、３は閉じた底部、４は口部であり、口部４の上端に
はさらに上方に膨出する頭部５が一体に形成されてい
る。口部４の外周はネジ６を有している。頭部５の周面
は容器を把持する平坦な把持部７をなしており、頭部５
の上端には、容器の中心軸に対して略直交する向きに広
がる凹溝８が凹設して形成されるとともに、この凹溝８
内に、ブロー成形のための圧力流体を導入する突出連通
部を加熱溶融封止した加熱溶融封止部９が形成されてい
る。この加熱溶融封止部９は、頭部５の上端面より突出
するものではなく、凹溝８内に形成されている。Embodiments of the present invention will be described with reference to the drawings. In the drawings, as a hollow container according to the present invention, a food container for extruding contents by pressing and deforming a body is illustrated. In FIGS. 1 and 2, 1 is a hollow container, 2 is a body thereof, 3 is a closed bottom, 4 is a mouth, and a head 5 that bulges further upward is integrally formed at the upper end of the mouth 4. Has been done. The outer periphery of the mouth portion 4 has a screw 6. The peripheral surface of the head 5 forms a flat gripping portion 7 for gripping the container.
A groove 8 is formed at the upper end of the container so as to spread in a direction substantially orthogonal to the center axis of the container.
Formed therein is a heat-melt sealing unit 9 formed by heat-melt sealing a protruding communication unit for introducing a pressure fluid for blow molding. The heating and melting sealing portion 9 does not protrude from the upper end surface of the head portion 5 but is formed in the concave groove 8.
【００１０】本発明に係る中空容器１は、ポリエチレ
ン、ポリプロピレン、ポリカーボネート、ポリスチレ
ン、ポリアミドなどブロー成形可能な熱可塑性合成樹脂
のブロー成形により製造される。ブロー成形された中空
容器１は、図３および図４に示すように、頭部５の上端
に突出形成された細く短い突出連通部１０を介して膨出
部１１が一連に形成されており、膨出部１１にはブロー
成形時に圧力流体を導入したノズル孔１２が開口してい
る。The hollow container 1 according to the present invention is manufactured by blow molding of a thermoplastic synthetic resin capable of blow molding such as polyethylene, polypropylene, polycarbonate, polystyrene and polyamide. As shown in FIGS. 3 and 4, the blow-molded hollow container 1 has a bulging portion 11 formed in series through a thin and short protruding communication portion 10 formed on the upper end of the head portion 5 to project, A nozzle hole 12 into which a pressure fluid is introduced at the time of blow molding is opened in the bulging portion 11.
【００１１】図３および図４に示すようにブロー成形さ
れた中空容器１は、その後加工として、図５および図６
に示すように加熱溶融部材１３により突出連通部１０を
加熱してその部分の樹脂を溶融し移動させて突出連通部
１０を溶融封止するとともに、膨出部１１を切断し、図
１および図２に示すように頭部５の上端に加熱溶融封止
部９を形成する。The hollow container 1 blow-molded as shown in FIGS. 3 and 4 is processed as shown in FIGS.
As shown in FIG. 1, the heating and melting member 13 heats the protruding communication portion 10 to melt and move the resin in that portion to melt and seal the protruding communication portion 10, and cut the bulging portion 11 to remove the resin. As shown in FIG. 2, a heat-melting sealing portion 9 is formed on the upper end of the head portion 5.
【００１２】上記のように加工された中空容器１おいて
は、頭部５の上端の凹溝８内に、ブロー成形のための圧
力流体を導入する突出連通部１０を加熱溶融封止した加
熱溶融封止部９が形成されているので、この加熱溶融封
止部９が他の中空容器に擦り傷を生じさせることはな
い。また、上記中空容器１によれば、加熱溶融伏し部９
は、頭部５の上端面を越えない範囲で突出形成すること
ができるので、多くの溶融樹脂により加熱溶融封止部９
のシールをより完全に行うことができる。In the hollow container 1 processed as described above, the protruding communicating portion 10 for introducing the pressure fluid for blow molding is heated and melt-sealed in the concave groove 8 at the upper end of the head 5. Since the melt-sealing portion 9 is formed, the heat-melt-sealing portion 9 does not scratch other hollow containers. Further, according to the hollow container 1, the heating and melting yielding portion 9
Can be formed so as not to exceed the upper end surface of the head portion 5, so that the heat-melt sealing portion 9 is made of a large amount of molten resin.
Can be more completely sealed.
【００１３】本発明に係る中空容器１は、そのブロー成
形工程において、口部４に細く短い突出連通部１０を介
して連通する膨出部１１から圧力流体を導入するので、
膨出部１１に圧力流体のノズルを差し込む際に生じるこ
とがあるパリスンの破損屑が口部４に落ち込む虞がな
く、衛生的な中空容器１が得られる。なお、図１のよう
に構成された中空容器１に内容物を充填する工程では、
図示の切断面Ａで頭部５を切断して口部４を開口して行
う。In the blow molding process of the hollow container 1 according to the present invention, the pressure fluid is introduced from the bulging portion 11 communicating with the mouth portion 4 via the narrow and short protruding communicating portion 10,
The hygienic hollow container 1 can be obtained without the risk of parison broken chips that may be generated when the pressure fluid nozzle is inserted into the bulging portion 11 and falling into the mouth 4. In addition, in the step of filling the contents in the hollow container 1 configured as shown in FIG.
The head 5 is cut along the cut surface A shown in the drawing to open the mouth portion 4.
【００１４】[0014]
【発明の効果】本発明によれば、ブロー成形のための圧
力流体を導入する突出連通部を封止した封止部を頭部の
上端に形成した凹溝内に形成することにより、封止部の
瘢痕をそのままに残しても、多数の中空容器の輸送や移
動などの過程で損傷することがなく、熱可塑性樹脂のブ
ロー成形による中空容器の製造工程を大幅に簡素化し
て、製造効率の向上を図ることができる効果が得られ
る。According to the present invention, the sealing portion, which seals the protruding communicating portion for introducing the pressure fluid for blow molding, is formed in the recessed groove formed at the upper end of the head, thereby sealing. Even if the scar on the part is left as it is, it will not be damaged in the process of transportation and movement of a large number of hollow containers, greatly simplifying the manufacturing process of hollow containers by blow molding of thermoplastic resin, and improve the manufacturing efficiency. The effect that improvement can be aimed at is acquired.
【図１】本発明に係る中空容器の一部を破断して示す全
体の正面図である。FIG. 1 is an overall front view showing a hollow container according to the present invention with a part thereof broken away.
【図２】図１の一部の斜視図である。FIG. 2 is a perspective view of a part of FIG.
【図３】ブロー成形後の中空容器の態様を示す一部を破
断した全体正面図である。FIG. 3 is a partially cutaway front view showing an aspect of a hollow container after blow molding.
【図４】図３の中空容器の態様を示す一部を破断した全
体側面図である。FIG. 4 is a partially cutaway overall side view showing an aspect of the hollow container of FIG.
【図５】図４の一部を拡大しかつ一部を破断して示す正
面図である。FIG. 5 is a front view showing a part of FIG. 4 in an enlarged manner and a part thereof broken away.
【図６】連通部を加熱溶融して封止する態様を示す一部
を破断した側面図である。FIG. 6 is a partially cutaway side view showing an aspect in which a communication part is heated and melted and sealed.
１ 中空容器 ２ 胴部 ４ 口部 ５ 頭部 ７ 把持部 ８ 凹溝 ９ 加熱溶融封止部 １０ 突出連通部 １１ 膨出部 １２ ノズル孔 １３ 加熱溶融部材 DESCRIPTION OF SYMBOLS 1 Hollow container 2 Body part 4 Mouth part 5 Head part 7 Grip part 8 Recessed groove 9 Heat melting sealing part 10 Projection communication part 11 Bulging part 12 Nozzle hole 13 Heat melting member
Claims (2)
製の中空容器であって、口部の上端にさらに膨出する頭
部を一体に形成し、頭部の上端には凹溝を形成するとと
もに、この凹溝内に、ブロー成形のための圧力流体を導
入する突出連通部を封止した封止部を形成したことを特
徴とする中空容器。1. A hollow container made of a thermoplastic resin having a mouth portion at one end of a body portion, wherein a further bulging head is integrally formed at the upper end of the mouth portion, and a concave groove is formed at the upper end of the head portion. And a sealing portion for sealing a protruding communicating portion for introducing a pressure fluid for blow molding is formed in the concave groove.
製の中空容器をブロー成形により製造する方法であっ
て、口部の上端に頭部を有するとともに頭部の上端に内
方に凹設された凹溝を有する中空容器をこの頭部の凹溝
に形成した突出連通部から圧力流体を導入してブロー成
形し、次いで突出連通部を加熱溶融して溶融樹脂を移動
させることにより突出連通部を密封し加熱溶融封止部を
形成したことを特徴とする中空容器の製造方法。2. A method for producing a thermoplastic resin hollow container having a mouth at one end of a body by blow molding, the method comprising a head at the upper end of the mouth and an inward direction at the upper end of the head. By introducing pressure fluid from the protruding communication part formed in the groove of this head into the hollow container having the recessed groove and blow molding, then heating and melting the protruding communication part to move the molten resin A method for manufacturing a hollow container, characterized in that the protruding communicating portion is sealed to form a heat-melting sealed portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12479093A JP3203447B2 (en) | 1993-04-30 | 1993-04-30 | Hollow container and method for producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12479093A JP3203447B2 (en) | 1993-04-30 | 1993-04-30 | Hollow container and method for producing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06312446A true JPH06312446A (en) | 1994-11-08 |
| JP3203447B2 JP3203447B2 (en) | 2001-08-27 |
Family
ID=14894191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12479093A Expired - Lifetime JP3203447B2 (en) | 1993-04-30 | 1993-04-30 | Hollow container and method for producing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3203447B2 (en) |
-
1993
- 1993-04-30 JP JP12479093A patent/JP3203447B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP3203447B2 (en) | 2001-08-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0225677B1 (en) | Blown bag-in-box composite container and method and apparatus for making the same | |
| US4640855A (en) | Plastic container with integral spout | |
| EP1332036B1 (en) | Extrusion blow-molded squeezable tube-shaped container and method for making same | |
| EP1853416B1 (en) | Process for the manufacture of containers which have an integral handle | |
| US5049349A (en) | Method for making a blown bag-in-box composite container | |
| US5885517A (en) | Method of making a plastic container having an injection molded finish with an integral closure attached thereto | |
| US5392950A (en) | Plastic container with a completely sealed handle | |
| US3926324A (en) | Plastic container for pressurized liquid | |
| EP0719630B1 (en) | Method for producing containers, such as bottles or the like, with film of thermoplastic synthetic material, and apparatus for carrying out the method | |
| NZ208970A (en) | Making synthetic resin can body by injection or extrusion and blow moulding | |
| JPH10506075A (en) | Thermoformable material container with closure | |
| EP1282504B1 (en) | Plastic container with integral handle | |
| RU95122381A (en) | METHOD FOR MANUFACTURING CONTAINERS, FOR EXAMPLE, BOTTLES OR TP FROM FILM OF THERMOPLASTIC SYNTHETIC MATERIAL, DEVICE FOR ITS IMPLEMENTATION AND CONTAINER | |
| EP1688235A1 (en) | Process for blow-molding a container comprising a handle | |
| US20040188376A1 (en) | Resin tube-like container and preform thereof | |
| JPH06312446A (en) | Hollow container and production thereof | |
| JP7452063B2 (en) | Synthetic resin container and its manufacturing method | |
| JPH0780921A (en) | Manufacture of biaxially oriented blow molded bottle with handle and handle | |
| JPH07276478A (en) | Biaxially stretched blow molded handled bottle | |
| JP2002321750A (en) | Container of small capacity with twist-off type mouth portion | |
| JP3597599B2 (en) | Sealed hollow body and method for producing the same | |
| JPH0677960B2 (en) | Molding method for hollow container with handle | |
| CN114679907A (en) | Extrusion blow molded container | |
| IT9021949A1 (en) | PROCEDURE FOR THE PRODUCTION OF JARS, OR BOTTLES, IN SYNTHETIC MATERIAL AND JAR, OR BOTTLE, OBTAINED BY SUCH PROCEDURE | |
| JPH0471700B2 (en) |
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 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 9 Free format text: PAYMENT UNTIL: 20100629 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100629 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 11 Free format text: PAYMENT UNTIL: 20120629 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120629 Year of fee payment: 11 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 12 Free format text: PAYMENT UNTIL: 20130629 |
|
| EXPY | Cancellation because of completion of term |