JPH10338269A - Bottle body - Google Patents
Bottle bodyInfo
- Publication number
- JPH10338269A JPH10338269A JP14770897A JP14770897A JPH10338269A JP H10338269 A JPH10338269 A JP H10338269A JP 14770897 A JP14770897 A JP 14770897A JP 14770897 A JP14770897 A JP 14770897A JP H10338269 A JPH10338269 A JP H10338269A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- outer layer
- inner layer
- slit
- bottle
- 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.)
- Pending
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
- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
- B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
- B65D1/0207—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by material, e.g. composition, physical features
- B65D1/0215—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by material, e.g. composition, physical features multilayered
Landscapes
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、定形の外殻を形成
する外層内に、変形自在な内袋を形成する内層を剥離自
在に積層形成し、外観形状を変化させることなく、かつ
内容液収納部に外気を侵入させることなく、内容液の注
出使用を可能とした合成樹脂製ブロー成形壜体に関する
ものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outer layer forming a fixed outer shell, and an inner layer forming a deformable inner bag is formed in a releasable manner on the outer layer to form an outer shell without changing the external shape and the content liquid. TECHNICAL FIELD The present invention relates to a synthetic resin blow-molded bottle that allows the content liquid to be poured out and used without allowing outside air to enter a storage section.
【０００２】[0002]
【従来の技術】定形の外殻を形成する外層内に、変形自
在な内袋を形成する内層を剥離自在に積層して構成した
合成樹脂製ブロー成形壜体の代表的な従来技術として
は、特開平５−３１０２６５号公報に開示された技術が
ある。2. Description of the Related Art A typical conventional technique of a synthetic resin blow-molded bottle in which an inner layer forming a deformable inner bag is releasably laminated on an outer layer forming a fixed outer shell is described below. There is a technique disclosed in JP-A-5-310265.
【０００３】この従来技術は、壜体をブロー成形する際
に形成される金型喰切り部である底部パーティングライ
ンに、内層同士は接着し、外層同士は接着しないことに
より形成されるスリットを設け、内層内に収納された内
容液が注出使用されて、内層が形成する内袋が容積減少
変形する際に、このスリットを通して外層と内層との間
に外気を侵入させることにより、外層に対する内層の剥
離を円滑に達成できるようにして、内容液の注出使用に
よる内層の容積減少変形が無理なく良好に行われるよう
に意図したものである。In this prior art, a slit formed by bonding inner layers and not bonding outer layers is formed on a bottom parting line, which is a die cutting portion formed when blow molding a bottle. Provided, when the content liquid stored in the inner layer is poured out and used, and when the inner bag formed by the inner layer is deformed to reduce the volume, the outside air is introduced between the outer layer and the inner layer through this slit, whereby the outer layer is It is intended that the separation of the inner layer can be smoothly achieved, and that the volume reduction and deformation of the inner layer can be easily and satisfactorily performed by using and discharging the content liquid.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記従
来技術は、外層と内層との間への外気の侵入口が、壜体
底面に開口された上記スリットのみであって、内外層間
で空気の流通がほとんど生じないので、外層に対する内
層の剥離が該スリット周辺部に偏ってしまい、全体的に
平均して円滑に達成され難く、そのため内層の容積減少
変形も円滑に達成され難いという問題があった。However, in the above prior art, the entrance of the outside air between the outer layer and the inner layer is only the slit opened on the bottom surface of the bottle, and the air flow between the inner layer and the outer layer. Hardly occurs, the separation of the inner layer from the outer layer is biased toward the periphery of the slit, and it is difficult to achieve smoothness on average as a whole, and therefore, there is a problem that the volume reduction deformation of the inner layer is also difficult to achieve smoothly. .
【０００５】また、壜体を浴室等の温水が位置する面上
で使用すると、この壜体底面に開口されたスリットから
湯水が外層と内層との間に侵入し、しかも外気の侵入口
がこのスリットのみで、内外層間が減圧状態になり易い
ため、侵入した湯水が外層内に留まり易く、不都合が生
じる恐れがあると云う問題があった。Further, when the bottle is used on a surface such as a bathroom where warm water is located, hot water enters between the outer layer and the inner layer through a slit opened in the bottom of the bottle, and the entrance of the outside air is caused by this. Since the inner and outer layers are easily decompressed only by the slit, there is a problem that invading hot water easily stays in the outer layer, which may cause inconvenience.
【０００６】そこで、本発明は、上記した従来技術にお
ける問題点を解消すべく創案されたもので、外層に対す
る内層の剥離を全体的に平均して円滑に行わせると共
に、底部のスリットから侵入した湯水を容易にかつ迅速
に排出させることを技術的課題とし、もって内層の良好
な変形形態を達成すると共に、壜体の衛生的な使用形態
を得ることを目的とする。Accordingly, the present invention has been made to solve the above-mentioned problems in the prior art, and makes it possible to smoothly separate the inner layer from the outer layer on the whole and to penetrate through the slit at the bottom. It is an object of the present invention to easily and quickly discharge hot and cold water, thereby achieving a good deformation of an inner layer and obtaining a sanitary use of a bottle.
【０００７】[0007]
【課題を解決するための手段】上記技術的課題を解決す
る本発明の手段は、ブロー成形により成形された壜体で
あること、定形の外殻を形成する合成樹脂製の外層と、
この外層に剥離自在に積層され、内袋を形成する可撓性
合成樹脂製の内層とから構成されること、下端部の底部
に形成した金型喰切り部の外層の端縁間に、外層と内層
との間への外気の侵入口としてのスリットを設けるこ
と、上端部の口部の外層に、この外層と内層との間る外
気を取り入れる空気取り入れ孔を設けること、にある。Means for solving the above-mentioned problems of the present invention are as follows: a bottle formed by blow molding; an outer layer made of a synthetic resin forming a fixed outer shell;
A flexible synthetic resin inner layer laminated on the outer layer to form an inner bag, and an outer layer between the edges of the outer layer of the die cutting portion formed at the bottom of the lower end. A slit is provided as an inlet for the outside air between the inner layer and the inner layer, and an air intake hole for taking in the outside air between the outer layer and the inner layer is provided in the outer layer at the mouth at the upper end.
【０００８】定形の外殻を形成する外層と、内容液を直
接収納する変形自在な内袋を形成する内層とは、剥離自
在に積層されており、この外層と内層との間は、底部の
スリットと口部の空気取り入れ孔とにより外部に開放さ
れているので、内層内に減圧が発生して、内層がその内
部容積を減少させる方向に変形しようとすると、この変
形に従った外層内へのスリットおよび空気取り入れ孔か
らの外気の侵入およびその外気の流通により、外層と内
層との剥離が部分的に偏ることなく、全体的に平均して
円滑に達成されて、内層の変形が無理なく良好に達成さ
れる。[0008] An outer layer forming a fixed outer shell and an inner layer forming a deformable inner bag for directly accommodating the content liquid are releasably laminated, and a bottom portion is provided between the outer layer and the inner layer. Since it is open to the outside by the slit and the air intake hole at the mouth, when a decompression occurs in the inner layer and the inner layer tries to deform in a direction to reduce its internal volume, it moves into the outer layer according to this deformation. The intrusion of outside air from the slits and the air intake holes and the flow of the outside air, the separation of the outer layer and the inner layer is not partially biased, the smoothness is achieved on average as a whole, and the deformation of the inner layer is Well achieved.
【０００９】すなわち、空気取り入れ孔は壜体の上端部
に、スリットは壜体の下端部にそれぞれ位置しているの
で、内層は外層に対して、その上下両端を支持された状
態で剥離しながら萎み変形することになり、この萎み変
形は内容液の重量が一定して作用した状態で発生するの
で、無理なくかつ良好に達成されることになる。That is, since the air intake hole is located at the upper end of the bottle and the slit is located at the lower end of the bottle, the inner layer separates from the outer layer while the upper and lower ends are supported. Since the wiping deformation occurs, and the wiping deformation occurs in a state where the weight of the content liquid is constant, the wiping deformation can be achieved without difficulty and satisfactorily.
【００１０】この際、外気はスリットおよび空気取り入
れ孔を通して外層内に侵入し、内層だけが外層から剥離
して容積を減少させる方向に変形するので、外層は変形
を発生させる外力を受けることが全くなく、変形するこ
となく定形の外殻形状を維持し、壜体の外観形状を一定
に保持する。At this time, the outside air enters the outer layer through the slits and the air intake holes, and only the inner layer separates from the outer layer and deforms in a direction to reduce the volume. It maintains a fixed outer shell shape without deformation and keeps the appearance of the bottle constant.
【００１１】また、壜体が湯水が位置する面上に置かれ
た場合に、たとえこの湯水が底面のスリットから外層と
内層との間に侵入したとしても、このスリットと上端部
に設けた空気取り入れ孔とからの外気の侵入およびその
外気の流通により内外層間は常圧に保持されているた
め、侵入した湯水はスリットから容易にかつ迅速に排出
され、外層内に長時間留まることはない。Further, when the bottle is placed on the surface where the hot water is located, even if the hot water enters between the outer layer and the inner layer through the slit on the bottom surface, the slit and the air provided at the upper end portion are provided. Since the inside and outside layers are maintained at normal pressure due to the intrusion of outside air from the intake hole and the flow of the outside air, the intruded hot water is easily and quickly discharged from the slit, and does not remain in the outer layer for a long time.
【００１２】[0012]
【発明の実施の形態】以下、本発明の実施例を、図面を
参照しながら説明する。壜体１は、高密度ポリエチレン
樹脂製の外層２と、ナイロン製の内層３とを、共押出し
成形手段により積層円筒状に押出し成形したパリソンか
らブロー成形され、円筒形状の口部４の外周面には、ポ
ンプ付きキャップ等のキャップを螺合組付けするための
螺条が刻設されている。Embodiments of the present invention will be described below with reference to the drawings. The bottle 1 is blow-molded from a parison formed by extruding an outer layer 2 made of a high-density polyethylene resin and an inner layer 3 made of nylon into a laminated cylindrical shape by co-extrusion molding means, and the outer peripheral surface of a cylindrical mouth portion 4 is formed. Is provided with a thread for screwing a cap such as a cap with a pump.
【００１３】この壜体１の底部６パーティングライン上
の金型喰切り部７には、外層２の喰い切り端縁間を離反
させて、一方の外気侵入口としてのスリット８が形成さ
れている。A slit 8 is formed in the die cutting portion 7 on the parting line 6 at the bottom 6 of the bottle 1 so as to separate the cutting edges of the outer layer 2 so as to allow one outside air to enter. I have.
【００１４】この金型喰切り部７は、ブロー成形金型で
ある両割金型で、ブロー成形前のパリソンまたはブロー
成形後の壜体１の中間成形品の一部を喰い切ることによ
り成形されるが、この喰い切りは、内層３を重ねた状態
で、外層２と内層３との積層物を押し潰しながら切断す
るので、図３に示すように、内層３同士は充分に溶着す
るものの、外層２同士は、間に位置した内層３の一部に
邪魔されて、その喰い切り端縁間を殆ど接触させること
ができない状態となる。The mold cutting portion 7 is a blow mold which is a split mold, and is formed by cutting a part of an intermediate molded product of the parison before blow molding or the bottle 1 after blow molding. However, in this cutting, the inner layer 3 is cut while crushing the laminate of the outer layer 2 and the inner layer 3 in a state where the inner layer 3 is overlapped, so that the inner layers 3 are sufficiently welded to each other as shown in FIG. The outer layers 2 are hindered by a part of the inner layer 3 located therebetween, so that the cut edges are hardly brought into contact with each other.
【００１５】このため、外層２と内層３とが剥離自在て
あることも加わって、この金型喰切り部７に指先で適当
に力を加えることにより、外層２の喰い切り端縁間を、
外層２と内層３とを剥離させながら離反させてスリット
８を形成することができる。[0015] Therefore, in addition to the fact that the outer layer 2 and the inner layer 3 are detachable, by appropriately applying a force to the die cutting portion 7 with a fingertip, the gap between the cutting edges of the outer layer 2 is reduced.
The slit 8 can be formed by separating the outer layer 2 and the inner layer 3 while separating them.
【００１６】また、壜体１の上端部に位置する口部４の
下部には、もう一つの外気侵入口としての空気取り入れ
孔９が形成されている。Further, an air intake hole 9 as another outside air inlet is formed at a lower portion of the mouth portion 4 located at an upper end portion of the bottle 1.
【００１７】この空気取り入れ孔９の形成手段として
は、例えば、パンチングにより外層２だけに孔を開設し
て空気取り入れ孔９を成形するとか、外層２を内層３よ
りも融点の低い合成樹脂材料で形成し、外層２材料の融
点以上で内層３材料の融点未満の温度に加熱した穿孔治
具を、壜体１の口部４の外層２部分に押し当て、この外
層２に内層３との間への空気取り入れ孔９を溶融形成す
る方法等、適宜の手段を用いることができる。As a means for forming the air intake hole 9, for example, a hole is formed only in the outer layer 2 by punching to form the air intake hole 9, or the outer layer 2 is made of a synthetic resin material having a lower melting point than the inner layer 3. A punching jig formed and heated to a temperature equal to or higher than the melting point of the material of the outer layer 2 and lower than the melting point of the material of the inner layer 3 is pressed against the outer layer 2 of the mouth 4 of the bottle 1, and the outer layer 2 is pressed against the inner layer 3. Appropriate means such as a method of melting and forming the air intake hole 9 into the air can be used.
【００１８】この空気取り入れ孔９は、図に示すように
壜体１の口部４に設けるのが望ましいが、口部４に近接
した壜体１の上端部に位置する箇所に設けても良い。The air intake hole 9 is desirably provided at the mouth 4 of the bottle 1 as shown in the figure, but may be provided at a location located at the upper end of the bottle 1 close to the mouth 4. .
【００１９】この空気取り入れ孔９は口部４に設けられ
ているので、これをキャップによって覆い隠すことがで
き、よって壜体１の外観形状を損なうことがなく、商品
としての壜体の良好な外観体裁を維持することができ
る。Since the air intake hole 9 is provided in the mouth portion 4, the air intake hole 9 can be covered and covered by a cap, so that the external shape of the bottle 1 is not impaired, and the good quality of the bottle as a product can be obtained. Appearance appearance can be maintained.
【００２０】[0020]
【発明の効果】本発明は、上記した構成となっているの
で、以下に示す効果を奏する。外層と内層との間への外
気侵入口として、壜体の下端部に位置する底部のスリッ
トと、壜体の上端部に位置する口部の空気取り入れ孔と
を設けたので、内層内に収納された内容液が注出使用さ
れて、内層が容積減少変形する際に、この変形に従った
外層内へのスリットおよび空気取り入れ孔からの外気の
侵入およびその外気の流通により、外層と内層との剥離
が部分的に偏ることなく、全体的に平均して円滑に達成
されて、内層の変形が無理なく良好に達成される。Since the present invention has the above-described structure, the following effects can be obtained. A bottom slit located at the lower end of the bottle and an air intake hole at the mouth located at the upper end of the bottle are provided as an outside air entry port between the outer layer and the inner layer. When the inner liquid undergoes volume reduction deformation due to the use of the content liquid poured out, the outer layer and the inner layer are formed by the intrusion of outside air from the slits and the air intake holes into the outer layer according to this deformation and the flow of the outside air. Of the inner layer is smoothly achieved on average as a whole without being partially biased, and the deformation of the inner layer is easily and satisfactorily achieved.
【００２１】また、スリットと空気取り入れ孔とからの
外気の侵入およびその外気の流通により内外層間は常圧
に保持されているため、たとえ湯水が底面のスリットか
ら外層と内層との間に侵入したとしても、侵入した湯水
はこのスリットから容易にかつ迅速に排出され、壜体内
に長時間留まることはないので、壜体の外層内に湯水が
長時間留まることによる不都合の発生を皆無とすること
ができ、良好で衛生的な使用状況を得ることができる。Since the inside and outside layers are maintained at normal pressure due to the intrusion of outside air from the slit and the air intake hole and the circulation of the outside air, even hot water enters between the outer layer and the inner layer through the slit on the bottom surface. Even so, the invading hot water is easily and quickly discharged from this slit and does not stay in the bottle for a long time, so there is no inconvenience caused by the hot water staying in the outer layer of the bottle for a long time. And a good and hygienic use situation can be obtained.
【図１】本発明の一実施例を示す、略右半分を縦断面し
た正面図。FIG. 1 is a front view showing a substantially right half of a longitudinal section of an embodiment of the present invention.
【図２】図１に示した実施例の、全体斜視図。FIG. 2 is an overall perspective view of the embodiment shown in FIG.
【図３】図１に示した実施例の、スリット形成前の金型
喰切り部を示す拡大縦断面図。FIG. 3 is an enlarged longitudinal sectional view showing a die cutting portion before forming a slit in the embodiment shown in FIG. 1;
１ ； 壜体 ２ ； 外層 ３ ； 内層 ４ ； 口部 ５ ； 胴部 ６ ； 底部 ７ ； 金型喰切り部 ８ ； スリット ９ ； 空気取り入れ孔 DESCRIPTION OF SYMBOLS 1; Bottle 2; Outer layer 3; Inner layer 4; Mouth 5; Trunk 6; Bottom 7;
Claims (1)
る合成樹脂製の外層(2) と、該外層(2) に剥離自在に積
層され、内袋を形成する可撓性合成樹脂製の内層(3) と
から構成され、下端部の底部(6) に形成した金型喰切り
部(7) の前記外層(2) の端縁間に、前記外層(2) と内層
(3) との間への外気の侵入口としてのスリット(8) を設
けると共に、上端部の口部(4) の外層(2) に、該外層
(2) と内層(3) との間への空気取り入れ孔(9) を設けて
成る壜体。1. An outer layer (2) made of synthetic resin forming a fixed outer shell by blow molding, and an outer layer (2) made of flexible synthetic resin laminated releasably on the outer layer (2) to form an inner bag. An inner layer (3), and between the edges of the outer layer (2) of the die cutting portion (7) formed at the bottom (6) of the lower end, the outer layer (2) and the inner layer
A slit (8) is provided as an inlet for outside air between the outer layer (3) and the outer layer (2) at the upper end (4).
A bottle having an air intake (9) between (2) and the inner layer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14770897A JPH10338269A (en) | 1997-06-05 | 1997-06-05 | Bottle body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14770897A JPH10338269A (en) | 1997-06-05 | 1997-06-05 | Bottle body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10338269A true JPH10338269A (en) | 1998-12-22 |
Family
ID=15436434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14770897A Pending JPH10338269A (en) | 1997-06-05 | 1997-06-05 | Bottle body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10338269A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001038194A1 (en) * | 1999-11-19 | 2001-05-31 | Taisei Kako Co., Ltd. | Delivery container |
| KR100937782B1 (en) | 2001-10-31 | 2010-01-20 | 가부시키가이샤 요시노 고교쇼 | Blow-molded container |
| WO2011057307A1 (en) * | 2009-11-11 | 2011-05-19 | Anoushavan Mirzoyan | Bottle neck for beverage |
| JP2015030482A (en) * | 2013-07-31 | 2015-02-16 | 株式会社吉野工業所 | Teeming container |
| JP2017065765A (en) * | 2015-09-30 | 2017-04-06 | 株式会社吉野工業所 | Double container |
| JP2017171317A (en) * | 2016-03-22 | 2017-09-28 | 北海製罐株式会社 | Polyester resin-made blow molded multiple bottle |
| US11752683B2 (en) | 2007-04-19 | 2023-09-12 | Anheuser-Busch Inbev S.A. | Integrally blow-moulded bag-in-container comprising an inner layer and an outer layer comprising energy absorbing additives, preform for making it and process for producing it |
| US11834226B2 (en) | 2007-04-19 | 2023-12-05 | Anheuser-Busch Inbev S.A. | Integrally blow-moulded bag-in-container having interface vents opening to the atmosphere at location adjacent to bag's mouth; preform for making it; and processes for producing the preform and bag-in-container |
| US11890784B2 (en) | 2007-04-19 | 2024-02-06 | Anheus Er-Busch Inbev S.A. | Integrally blow-moulded bag-in-container having an inner layer and the outer layer made of the same material and preform for making it |
-
1997
- 1997-06-05 JP JP14770897A patent/JPH10338269A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001038194A1 (en) * | 1999-11-19 | 2001-05-31 | Taisei Kako Co., Ltd. | Delivery container |
| US6581803B1 (en) | 1999-11-19 | 2003-06-24 | Taisei Kako Co., Ltd. | Discharging container |
| US7114636B2 (en) | 1999-11-19 | 2006-10-03 | Taisei Kako Co., Ltd. | Discharging container |
| KR100937782B1 (en) | 2001-10-31 | 2010-01-20 | 가부시키가이샤 요시노 고교쇼 | Blow-molded container |
| US11752683B2 (en) | 2007-04-19 | 2023-09-12 | Anheuser-Busch Inbev S.A. | Integrally blow-moulded bag-in-container comprising an inner layer and an outer layer comprising energy absorbing additives, preform for making it and process for producing it |
| US11834226B2 (en) | 2007-04-19 | 2023-12-05 | Anheuser-Busch Inbev S.A. | Integrally blow-moulded bag-in-container having interface vents opening to the atmosphere at location adjacent to bag's mouth; preform for making it; and processes for producing the preform and bag-in-container |
| US11890784B2 (en) | 2007-04-19 | 2024-02-06 | Anheus Er-Busch Inbev S.A. | Integrally blow-moulded bag-in-container having an inner layer and the outer layer made of the same material and preform for making it |
| WO2011057307A1 (en) * | 2009-11-11 | 2011-05-19 | Anoushavan Mirzoyan | Bottle neck for beverage |
| JP2015030482A (en) * | 2013-07-31 | 2015-02-16 | 株式会社吉野工業所 | Teeming container |
| JP2017065765A (en) * | 2015-09-30 | 2017-04-06 | 株式会社吉野工業所 | Double container |
| JP2017171317A (en) * | 2016-03-22 | 2017-09-28 | 北海製罐株式会社 | Polyester resin-made blow molded multiple bottle |
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