JPH0531790A - Biaxially stretchable synthetic resin piece for forming inner bottle, forming method of double bottle and double bottle - Google Patents
Biaxially stretchable synthetic resin piece for forming inner bottle, forming method of double bottle and double bottleInfo
- Publication number
- JPH0531790A JPH0531790A JP3210070A JP21007091A JPH0531790A JP H0531790 A JPH0531790 A JP H0531790A JP 3210070 A JP3210070 A JP 3210070A JP 21007091 A JP21007091 A JP 21007091A JP H0531790 A JPH0531790 A JP H0531790A
- Authority
- JP
- Japan
- Prior art keywords
- bottle
- piece
- double
- mouth
- grooves
- 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
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
- B05B11/026—Membranes separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
Landscapes
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
- Rigid Containers With Two Or More Constituent Elements (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、例えばポンプ付きのク
リ−ム状物収納壜として使用できる、内外二重壜の内壜
形成用の二軸延伸可能な合成樹脂製ピースと、その内外
二重壜の成形方法ならびに内外二重壜に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a biaxially stretchable synthetic resin piece for forming an inner bottle of an inner and outer double bottle, which can be used as, for example, a cream-shaped bottle containing a pump. The present invention relates to a method for forming a heavy bottle and a double bottle for inside and outside.
【０００２】[0002]
【従来の技術】本発明に関する内外二重壜に比較的近い
壜として、壜口部に装着させたポンプから壜内に垂下す
るシリンダに、クリ−ムを収納させた袋口部を固着さ
せ、ポンプ操作で袋内のクリームを吐出できるよう設け
たものが知られている。2. Description of the Related Art As a bottle relatively close to the inner and outer double bottles according to the present invention, a bag mouth portion containing a cream is fixed to a cylinder hanging from a pump attached to the bottle mouth portion into the bottle, It is known that a pump is provided so that the cream in the bag can be discharged.
【０００３】[0003]
【発明が解決しようとする課題】上記従来の壜は、壜内
へ予め形成した袋を挿入させなければならない不便があ
った。However, the above-mentioned conventional bottle has the inconvenience of having to insert a preformed bag into the bottle.
【０００４】本発明は内外二重壜を極めて容易に成形で
きるようにしたもので、第１の発明は、外壜内へ挿入さ
せて、該外壜内壁面をキャビティとして二軸延伸するこ
とが可能とした、内壜成形用の合成樹脂製ピースを提案
するものであり、又第２の発明は、上記ピースを二軸延
伸して内外二重壜を成形する方法を提案するものであ
り、更に第３の発明は、その発明方法により成形した内
外二重壜を提案するものである。The present invention makes it possible to mold the inner and outer double bottles very easily. In the first invention, the inner and outer double bottles are inserted into the outer bottle and biaxially stretched by using the inner wall surface of the outer bottle as a cavity. It is possible to propose a synthetic resin piece for forming an inner bottle, and a second invention is to propose a method for forming an inner and outer double bottle by biaxially stretching the piece. Furthermore, a third invention proposes an inner and outer double bottle molded by the method of the invention.
【０００５】[0005]
【課題を解決するための手段】有底かつ上端面開口の管
部２上端に外向きフランジ３を付設した内壜形成用の二
軸延伸可能な合成樹脂製ピース１を設けて、その外向き
フランジ下面に、径方向への複数の空気流通溝４を穿設
すると共に、上記管部の上端部外周に複数の突条５を縦
設して、これ等突条間に形成した溝状凹部６と上記空気
流通溝４とを連通させた。A biaxially stretchable synthetic resin piece 1 for forming an inner bottle having a bottomed and upper end surface open pipe portion 2 and an outward flange 3 attached to the upper end thereof is provided outwardly. On the lower surface of the flange, a plurality of air circulation grooves 4 are formed in the radial direction, and on the outer periphery of the upper end of the pipe portion, a plurality of ridges 5 are provided vertically, and groove-shaped recesses formed between these ridges. 6 and the air circulation groove 4 were communicated with each other.
【０００６】ピース１の管部を加熱した後、ピース１よ
りも長く設けた外壜11の第１口頸部12上端面へ上記外向
きフランジ３を載置させかつ突条５外面を第１口頸部内
面へ当接させて、管部２を外壜11内へ挿入させ、上記突
条が管部２の上部外面と外壜11の第１口頸部12内面との
間に形成する溝状凹部６と上記空気流通溝４とを通って
外壜内の空気を排出させ乍ら行う上記ピースの二軸延伸
により、内壜16を形成する。After heating the pipe portion of the piece 1, the outward flange 3 is placed on the upper end surface of the first mouth / neck portion 12 of the outer bottle 11 which is provided longer than the piece 1, and the outer surface of the ridge 5 is firstly placed. The tube portion 2 is inserted into the outer bottle 11 by being brought into contact with the inner surface of the mouth / neck portion, and the protrusion is formed between the upper outer surface of the tube portion 2 and the inner surface of the first mouth / neck portion 12 of the outer bottle 11. The inner bottle 16 is formed by biaxially stretching the piece by discharging the air in the outer bottle through the groove-shaped recess 6 and the air circulation groove 4.
【０００７】[0007]
【実施例】１は内壜形成用の二軸延伸可能な合成樹脂製
ピースである。該ピースは、予め射出成形したもので、
有底かつ上端面開口の管部２上端に外向きフランジ３を
付設している。又その外向きフランジ下面には径方向へ
の複数の空気流通溝４を穿設すると共に、上記管部の上
端部外周に複数の突条５を縦設して、これ等突条間に形
成した溝状凹部６と上記空気流通溝４とを連通させてい
る。Example 1 is a biaxially stretchable synthetic resin piece for forming an inner bottle. The piece is injection molded beforehand,
An outward flange 3 is attached to the upper end of the pipe portion 2 having a bottom and an opening on the upper end surface. Further, a plurality of air circulation grooves 4 are formed in the radial direction on the lower surface of the outward flange, and a plurality of ridges 5 are vertically provided on the outer periphery of the upper end portion of the pipe portion so as to be formed between these ridges. The groove-shaped recess 6 and the air circulation groove 4 are communicated with each other.
【０００８】該ピースは、外壜11の第１口頸部12上端面
へ外向きフランジ３を載置させ、かつ突条５外面を第１
口頸部12内面へ当接させてその管部２を外壜内へ挿入さ
せるもので、その管部の長さはその二軸延伸のため外壜
の長さよりも短かく設けている。第１口頸部12内面への
当接のため、上記突条５の先端円は第１口頸部12内面と
ほゞ同径とする。ピース肉厚は約１〜２ミリ、長さは約
103ミリ、管部の最大外径は約18ミリ、最小外径は約12
ミリ程度とすればよい。In this piece, the outward flange 3 is placed on the upper end surface of the first mouth / neck portion 12 of the outer bottle 11, and the outer surface of the ridge 5 is first.
The tube portion 2 is inserted into the outer bottle by bringing it into contact with the inner surface of the mouth / neck portion 12, and the length of the tube portion is set shorter than the length of the outer bottle because of its biaxial stretching. Since the contact with the inner surface of the first mouth-neck portion 12, the tip circle of the ridge 5 has approximately the same diameter as the inner surface of the first mouth-neck portion 12. Piece wall thickness is about 1-2 mm, length is about
103 mm, maximum outer diameter of the tube is about 18 mm, minimum outer diameter is about 12
It may be about millimeters.
【０００９】上記ピースを内壜16とするためには、まず
図３が示すようにピース１をヒータ21等でピース温度が
約 150℃〜165 ℃となるよう加熱する。該加熱を行うに
は、押下げ棒22を上下方向へ挿通させた圧縮空気管23下
部を、下向き段部を介して小外径化させておき、上記押
下げ棒を挿入させてピース１の上部を圧縮空気管23の下
部外面へ嵌合させ、該嵌合部分外面をホルダ24で挟持し
て行えばよい。In order to use the piece as the inner bottle 16, first, as shown in FIG. 3, the piece 1 is heated by the heater 21 or the like so that the piece temperature is about 150 ° C. to 165 ° C. In order to perform the heating, the lower portion of the compressed air pipe 23, through which the push-down rod 22 is inserted in the vertical direction, is made to have a small outer diameter through a downward step, and the push-down rod is inserted to insert the piece 1 into the piece 1. The upper part may be fitted to the outer surface of the lower part of the compressed air pipe 23, and the outer surface of the fitting part may be sandwiched by the holder 24.
【００１０】上記加熱後、図４が示すように上記ホルダ
を外し、圧縮空気管23に装着させたまゝピース管部を外
壜11内へ挿入し、外向きフランジ３を下向き段部下面と
外壜の第１口頸部上端面とで挟持させる。外壜11の第１
口頸部12外面は第２ホルダ25で挟持させている。該状態
でピース温度は約 135℃から 145℃とする。該状態から
図６が示すように、圧縮空気管23からの圧縮空気吹込み
と同時に押下げ棒22を押下げすることで二軸延伸を行
い、図７が示すように内外二重壜19を形成する。尚ピー
ス１の二軸延伸に際して外壜11内の空気は、該外壜の第
１口頸部12内面と内壜16の第２口頸部17外面との間の既
述溝状凹部６と、第１口頸部12上端面へ載置させた外向
きフランジ３下面の空気流通溝４を通って排出される。
このようにして形成された内壜16の肩部および胴部外面
は、吹込み完了時において外壜11の内面へ圧接するが、
冷却により収縮してその外壜内面との間に小間隙を形成
することとなる。内壜胴部の肉厚は、 0.035ミリ程度と
することが出来、この程度まで肉薄とすることで該内壜
胴部は袋状の可撓性を有することとなる。After the heating, as shown in FIG. 4, the holder is removed, and the piece pipe part attached to the compressed air pipe 23 is inserted into the outer bottle 11, and the outward flange 3 is attached to the lower surface of the downward step part and the outer surface. Hold it with the upper surface of the first neck of the bottle. Outer bottle 11 first
The outer surface of the mouth / neck portion 12 is held by the second holder 25. In this state, the piece temperature is about 135 ° C to 145 ° C. From this state, as shown in FIG. 6, biaxial stretching is performed by pressing down the push-down bar 22 at the same time as blowing compressed air from the compressed air pipe 23, and as shown in FIG. Form. When the piece 1 is biaxially stretched, the air in the outer bottle 11 forms the aforementioned groove-shaped recess 6 between the inner surface of the first mouth / neck portion 12 of the outer bottle and the outer surface of the second mouth / neck portion 17 of the inner bottle 16. , Through the air circulation groove 4 on the lower surface of the outward flange 3 placed on the upper end surface of the first mouth / neck portion 12.
The shoulder portion and the outer surface of the body portion of the inner bottle 16 thus formed are pressed against the inner surface of the outer bottle 11 when the blowing is completed.
When cooled, it contracts to form a small gap with the inner surface of the outer bottle. The wall thickness of the inner bottle body can be set to about 0.035 mm, and by making the wall thickness as thin as this, the inner bottle body has bag-like flexibility.
【００１１】[0011]
【発明の効果】本発明は既述構成とするもので、請求項
１が示すようなピース１とすることで、該ピースを外壜
11内へ挿入させて二軸延伸させ、もって該ピースを内壜
とするに際してその外壜内の空気排出を溝凹部６と空気
流通溝４とを介して行える便利があり、又請求項２が示
すように、上記ピースを外壜内へ挿入させてそのピース
の外向きフランジ３を外壜の第１口頸部12上端面へ載置
させ、その外壜内面をキャビティとして二軸延伸させれ
ばよいから、内外二重壜の形成が容易であり、更に請求
項３が示すように形成した内外二重壜は、外壜の第１口
頸部12上端面へ載置させた内壜16の外向きフランジ３下
面の空気流通溝４と、ピースの管部上端の外周、つまり
内壜の第２口頸部17外面に縦設した突条５がその第２口
頸部と外壜の第１口頸部内面との間に形成する溝状凹部
６とを通って内外両壜の間に外気が流入することとなる
ため、例えば内壜16内へクリーム等を充填させ、壜口部
に装着させたポンプのシリンダをその内壜内へ垂設して
上記ポンプ操作によりその内壜内のクリーム等を吸上げ
して吐出させる際に、その内壜内への外気置換を行うこ
となくその内壜胴部の収縮によってそのクリーム状物の
吐出が行われても、内外両壜間へ外気が流入することで
外壜負圧化による変形を防止することができる。又薬品
類のうちには壜内空気の酵素を吸収する等の理由で壜内
が負圧化して変形するものもあるが、このような場合も
内壜内へ収納物を充填させておくことで、外壜の変形を
防止できる。As described above, the present invention has the above-mentioned structure. By providing the piece 1 as set forth in claim 1, the piece is an outer bottle.
When the piece is inserted into 11 and biaxially stretched, and thus the piece is used as an inner bottle, it is convenient that air can be discharged from the outer bottle via the groove recess 6 and the air circulation groove 4. As shown, the piece is inserted into the outer bottle, and the outward flange 3 of the piece is placed on the upper end surface of the first mouth / neck portion 12 of the outer bottle, and the inner surface of the outer bottle is biaxially stretched as a cavity. Therefore, it is easy to form the inner and outer double bottles, and the inner and outer double bottles formed as described in claim 3 are the inner bottle 16 placed on the upper end surface of the first mouth / neck part 12 of the outer bottle. The air flow groove 4 on the lower surface of the outward flange 3 of the outer periphery of the pipe, and the outer periphery of the upper end of the pipe portion of the piece, that is, the ridge 5 vertically provided on the outer surface of the second mouth / neck portion 17 of the inner bottle, Since the outside air flows between the inner and outer bottles through the groove-shaped recess 6 formed between the inner surface of the first mouth and neck, for example, the inner bottle 16 When the pump cylinder that is filled with cream or the like is installed vertically in the bottle and the pump is operated to suck up and discharge the cream or the like in the bottle, the bottle Even if the creamy substance is discharged due to the contraction of the inner bottle body without replacing the inside air with the outside air, the outside air flows between the inside and outside bottles to prevent deformation due to negative pressure on the outside bottle. be able to. In addition, some chemicals may be deformed by negative pressure inside the bottle due to absorption of enzymes in the air in the bottle. In such a case, however, the contents should be filled in the bottle. Therefore, the deformation of the outer bottle can be prevented.
【図１】本発明に係る合成樹脂製ピースの断面図であ
る。FIG. 1 is a sectional view of a synthetic resin piece according to the present invention.
【図２】上記ピース要部の拡大断面図である。FIG. 2 is an enlarged sectional view of a main part of the piece.
【図３】上記ピース加熱状態を示す断面図である。FIG. 3 is a cross-sectional view showing the piece heating state.
【図４】上記ピースを外壜内へセットした状態を示す断
面図である。FIG. 4 is a cross-sectional view showing a state where the piece is set in the outer bottle.
【図５】図４要部の拡大断面図である。5 is an enlarged cross-sectional view of a main part of FIG.
【図６】上記ピースの二軸延伸状態を示す断面図であ
る。FIG. 6 is a cross-sectional view showing a biaxially stretched state of the piece.
【図７】内外二重壜の断面図である。FIG. 7 is a cross-sectional view of the inner and outer double bottles.
１ ピース ４ 空気流通溝 ５ 突条 ６ 溝状凹部 11 外壜 16 内壜 22 押下げ棒 23 圧縮空気管 1 piece 4 air circulation grooves 5 ridges 6 Groove-shaped recess 11 outer bottle 16 inner bottle 22 Push-down bar 23 Compressed air pipe
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 // Ｂ２９Ｌ 22:00 4Ｆ ─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. 5 Identification code Office reference number FI technical display location // B29L 22:00 4F
Claims (3)
きフランジ３を付設して該外向きフランジ下面に、径方
向への複数の空気流通溝４を穿設すると共に、上記管部
の上端部外周に複数の突条５を縦設して、これ等突条間
に形成した溝状凹部６と上記空気流通溝４とを連通させ
たことを特徴とする、内壜形成用の二軸延伸可能な合成
樹脂製ピース。1. A pipe 2 having a bottomed and open upper end face is provided with an outward flange 3 at the upper end thereof, and a plurality of air circulation grooves 4 are formed in a radial direction on the lower face of the outward flange, and the pipe is provided. For forming an inner bottle, characterized in that a plurality of ridges 5 are vertically provided on the outer circumference of the upper end of the portion, and the groove-shaped recesses 6 formed between these ridges and the air circulation groove 4 are communicated with each other. Biaxially stretchable synthetic resin piece.
た後、ピース１よりも長く設けた外壜11の第１口頸部12
上端面へ上記外向きフランジ３を載置させかつ突条５外
面を第１口頸部内面へ当接させて、管部２を外壜11内へ
挿入させ、上記突条が管部２の上部外面と外壜11の第１
口頸部12内面との間に形成する溝状凹部６と上記空気流
通溝４とを通って外壜内の空気を排出させ乍ら行う上記
ピースの二軸延伸により、内壜16を形成することを特徴
とする内外二重壜の成形方法。2. A first mouth-neck portion 12 of an outer bottle 11 which is provided longer than the piece 1 after heating the pipe portion of the piece 1 according to claim 1.
The outer flange 3 is placed on the upper end surface, and the outer surface of the ridge 5 is brought into contact with the inner surface of the first mouth / neck portion to insert the tube portion 2 into the outer bottle 11. First outer surface and outer bottle 11
The inner bottle 16 is formed by biaxial stretching of the piece by discharging the air in the outer bottle through the groove-shaped recess 6 formed between the mouth and neck 12 and the air circulation groove 4. A method for forming double bottles inside and outside, which is characterized in that
た内外二重壜。3. An inner and outer double bottle formed by the molding method according to claim 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21007091A JP3201417B2 (en) | 1991-07-26 | 1991-07-26 | Biaxially stretchable synthetic resin piece for forming inner bottle, method for forming inner / outer double bottle, and inner / outer double bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21007091A JP3201417B2 (en) | 1991-07-26 | 1991-07-26 | Biaxially stretchable synthetic resin piece for forming inner bottle, method for forming inner / outer double bottle, and inner / outer double bottle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0531790A true JPH0531790A (en) | 1993-02-09 |
| JP3201417B2 JP3201417B2 (en) | 2001-08-20 |
Family
ID=16583325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21007091A Expired - Fee Related JP3201417B2 (en) | 1991-07-26 | 1991-07-26 | Biaxially stretchable synthetic resin piece for forming inner bottle, method for forming inner / outer double bottle, and inner / outer double bottle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3201417B2 (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0716915A (en) * | 1993-05-07 | 1995-01-20 | Nissei Asb Mach Co Ltd | Double-wall bottle and its molding method and device |
| JPH08175568A (en) * | 1994-08-15 | 1996-07-09 | Toyo Seikan Kaisha Ltd | Laminate-peelable bottle and production thereof as well as drill for making atmosphere-introducing hole for production of the bottle, heatseal device for pinch off-opening, and pouring pump used for the bottle |
| EP2246267A2 (en) | 2009-04-30 | 2010-11-03 | Orsola Patrini | Container associable with airless pumps and method for its production |
| EP2251094A1 (en) | 2009-04-30 | 2010-11-17 | Lumson S.p.A. | Device for dispensing fluid substances enclosed in sealed conditions in a bag with guided deformation |
| EP2279848A1 (en) | 2009-07-30 | 2011-02-02 | Lumson S.p.A. | Improved container associable with airless pumps and method for its production |
| EP2345523A1 (en) | 2010-01-15 | 2011-07-20 | Lumson S.p.A. | Decorated container associable with airless pumps and method for its production |
| ITMI20100435A1 (en) * | 2010-03-17 | 2011-09-18 | Lumson Spa | "METHOD FOR THE REALIZATION OF A CONTAINER TO BE USED WITH A HERMETIC PUMP" |
| EP3037174A1 (en) | 2014-12-24 | 2016-06-29 | Lumson S.p.A. | Device to contain and dispense fluid substances |
| JP2018083657A (en) * | 2016-11-25 | 2018-05-31 | 北海製罐株式会社 | Blow molded multi-wall bottle and manufacturing method thereof |
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-
1991
- 1991-07-26 JP JP21007091A patent/JP3201417B2/en not_active Expired - Fee Related
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