JPH0531791A - 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 bottle

Info

Publication number
JPH0531791A
JPH0531791A JP3212875A JP21287591A JPH0531791A JP H0531791 A JPH0531791 A JP H0531791A JP 3212875 A JP3212875 A JP 3212875A JP 21287591 A JP21287591 A JP 21287591A JP H0531791 A JPH0531791 A JP H0531791A
Authority
JP
Japan
Prior art keywords
bottle
piece
double
synthetic resin
forming
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
Application number
JP3212875A
Other languages
Japanese (ja)
Other versions
JP3062309B2 (en
Inventor
Shoji Azuma
昇治 吾妻
Haruo Tsuchida
治夫 土田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yoshino Kogyosho Co Ltd
Original Assignee
Yoshino Kogyosho Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yoshino Kogyosho Co Ltd filed Critical Yoshino Kogyosho Co Ltd
Priority to JP21287591A priority Critical patent/JP3062309B2/en
Publication of JPH0531791A publication Critical patent/JPH0531791A/en
Application granted granted Critical
Publication of JP3062309B2 publication Critical patent/JP3062309B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0055—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents
    • 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
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/0715—Preforms or parisons characterised by their configuration the preform having one end closed
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/06—Injection blow-moulding

Landscapes

  • Engineering & Computer Science (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

PURPOSE:To easily obtain a double bottle by a method wherein a synthetic resin piece, to the upper end of a bottomed tubular part with an opening on the upper end face of which an outward extending flange having a proper number of air flow grooves vertically provided on its outer peripheral face is annexed, is biaxially stretched in an outer bottle in order to form an inner bottle. CONSTITUTION:A biaxially stretchable synthetic resin piece 1, to the upper end of a bottomed tubular part 2 with an opening on the upper end face of which an outward extending flange 3 having a plurality of air flow grooves 4 vertically provided on its outer peripheral face, is heated. Next, the tubular part 2 of the heated piece 1 is inserted in an outer bottle 11. By exhausting the air in the outer bottle 11, the piece 1 is biaxially stretched so as to form an inner bottle 15. At the same time, the outward extending flange 3 is fitted to the inner face of the neck part 12 of the outer bottle 11 in order to obtain a double bottle 18.

Description

【発明の詳細な説明】Detailed Description of the Invention

【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
フランジ外周面に適当数の空気流通溝４を縦設した。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. An appropriate number of air circulation grooves 4 were vertically provided on the outer peripheral surface of the flange.

【０００６】ピース１の管部を加熱した後、該ピース１
よりも長い外壜11内へ、該ピースの上端部を保持して管
部２を挿入させ、かつ該外壜内面をキャビティとして管
部２を二軸延伸することで該ピースを内壜15となし、該
内壜上端の外向きフランジ３外周面を外壜が有する口頸
部12の上端部内面へ嵌着させる。After heating the pipe portion of the piece 1, the piece 1 is heated.
The pipe portion 2 is inserted into the longer bottle 11 while holding the upper end of the piece, and the pipe portion 2 is biaxially stretched by using the inner surface of the bottle as a cavity to move the piece into the bottle bottle 15. None, the outer peripheral surface of the outward flange 3 at the upper end of the inner bottle is fitted to the inner surface of the upper end of the mouth / neck portion 12 of the outer bottle.

【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。その外向きフランジ外周面には適当数の
空気流通溝４を縦設する。外向きフランジ外周面を長く
するため、図示のようにその外向きフランジ外周から短
筒５を起立してもよく、図示例ではその短筒上端に第２
外向きフランジ６を付設している。図示例のように短筒
５および第２外向きフランジ６を付設した場合は、上記
空気流通溝４を外向きフランジ３下端から第２外向きフ
ランジ上端まで連続して形成する。該ピースは、後述の
ようにその管部２を外壜11内で二軸延伸することで最終
的に内壜15となるものであり、この場合ピース上端部は
内壜の上端部となる。外向きフランジ３は外壜11の口頸
部12内面へ嵌着可能に、ほゞ口頸部内面と同径とする。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. An appropriate number of air circulation grooves 4 are vertically provided on the outer peripheral surface of the outward flange. In order to lengthen the outer peripheral surface of the outward flange, the short cylinder 5 may be erected from the outer peripheral surface of the outward flange as shown in the figure.
An outward flange 6 is attached. When the short cylinder 5 and the second outward flange 6 are attached as in the illustrated example, the air circulation groove 4 is continuously formed from the lower end of the outward flange 3 to the upper end of the second outward flange. The piece finally becomes the inner bottle 15 by biaxially stretching the tube portion 2 in the outer bottle 11 as described later, and in this case, the upper end portion of the piece becomes the upper end portion of the inner bottle. The outward flange 3 has the same diameter as the inner surface of the mouth neck portion of the outer bottle 11 so that it can be fitted to the inner surface of the mouth neck portion 12.

【０００８】上記ピースを内壜15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
部と、下面に溝24を有するホルダ25とで外向きフランジ
３を挟持させて行えばよい。In order to use the above piece as the inner bottle 15, first, as shown in FIG. 3, the piece 1 is heated by a heater 21 or the like so that the piece temperature becomes about 150 ° C. to 165 ° C. In order to perform the heating, the outward flange 3 may be sandwiched between the lower portion of the compressed air pipe 23 having the push-down rod 22 inserted vertically and the holder 25 having the groove 24 on the lower surface.

【０００９】上記加熱後、図４が示すように、そのまゝ
管部２をヒータ21から抜出し、かつホルダ25下面を口頸
部12上端面へ載置させて管部２を挟持枠26で固定させた
外壜11内へ挿入する。外壜11は、胴部上端から肩部を介
して外面にキャップ螺合用ねじを有する口頸部12を起立
する。その口頸部の上部内面は、図示例の場合、その上
端部を大内径部、その下方を中内径部、更にその下方を
小内径部として、その中内径部には内壜15の外向きフラ
ンジ３および短筒５を、又大内径部には第２外向きフラ
ンジ６を、それぞれ嵌着可能としているが、必しもその
ように形成する必要はない。After the above heating, as shown in FIG. 4, the tubular portion 2 is pulled out from the heater 21, and the lower surface of the holder 25 is placed on the upper end surface of the mouth / neck portion 12 so that the tubular portion 2 is held by the holding frame 26. Insert into the fixed outer bottle 11. The outer bottle (11) stands up a mouth-neck portion (12) having a cap screwing screw on the outer surface from the upper end of the body portion through a shoulder portion. In the case of the illustrated example, the upper inner surface of the mouth / neck portion has a large inner diameter portion at its upper end portion, a middle inner diameter portion at the lower portion thereof, and a small inner diameter portion at the lower portion thereof. Although the flange 3 and the short cylinder 5 and the second outward flange 6 can be fitted to the large inner diameter portion, respectively, they are not necessarily formed.

【００１０】外壜11内への管部２挿入状態から押下げ棒
22を押下げ、又圧縮空気管23から管部２内へ圧縮空気を
吹込みして図５のように二軸延伸して内壜15を形成す
る。その二軸延伸により管部２が膨張するに従い、外壜
11内の空気はピースの上部外面と外壜の口頸部内面との
間、および既述ホルダ下面の溝24を通って排出される。From the state where the tube portion 2 is inserted into the outer bottle 11, the push rod is pushed down.
22 is pushed down, compressed air is blown into the tube portion 2 from the compressed air pipe 23, and biaxially stretched as shown in FIG. 5 to form the inner bottle 15. As the tube portion 2 expands due to the biaxial stretching, the outer bottle
The air inside 11 is discharged between the upper outer surface of the piece and the inner surface of the mouth and neck of the bottle, and through the groove 24 on the lower surface of the holder.

【００１１】上記のように内壜15形成後、押下げ棒22お
よび圧縮空気管23、更にホルダ25を外して外向きフラン
ジ３を口頸部12内面へ打設して嵌着させ、内外二重壜18
とする。内壜胴部の肉厚は、 0.035ミリ程度まで肉薄化
すれば、該内壜胴部は袋状の可撓性を有することとな
る。After the inner bottle 15 is formed as described above, the push-down rod 22, the compressed air pipe 23, and the holder 25 are removed, and the outward flange 3 is driven into the inner surface of the mouth / neck portion 12 to be fitted therein. Heavy Bottle 18
And When the thickness of the inner bottle body is reduced to about 0.035 mm, the inner bottle body has bag-like flexibility.

【００１２】[0012]

【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とすることで、該ピースを外壜内
で二軸延伸させて内壜15とした後、その上端部の外向き
フランジ３外周面を外壜の口頸部12の上端部内面へ嵌着
させるだけで内外二重壜とすることが出来、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、外向きフランジ３外周面に
穿設した空気流通溝４を通って内外両壜の間に外気が流
入できるため、例えば内壜15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。The present invention has the above-described structure, and by forming the piece as shown in claim 1, the piece is biaxially stretched in the outer bottle to form the inner bottle 15, and then the upper end thereof. The inner and outer double bottles can be formed by merely fitting the outer peripheral surface of the outward flange 3 of the portion to the inner surface of the upper end portion of the mouth and neck portion 12 of the outer bottle.
As shown, since it is sufficient to insert the piece into the outer bottle and biaxially stretch the outer bottle inner surface as a cavity,
It is easy to form the inner and outer double bottles, and the inner and outer double bottles formed as described in claim 3 pass between the inner and outer bottles through the air circulation groove 4 formed in the outer peripheral surface of the outward flange 3. Since outside air can flow in, for example, the inside bottle 15 is filled with cream or the like, the cylinder of the pump attached to the bottle mouth is hung inside the inside bottle, and the cream etc. inside the bottle is removed by the above-mentioned pump operation. When sucking and discharging, even if the creamy substance is discharged due to contraction of the inner bottle body without performing replacement of the outside air into the inner bottle, the outside air flows between the inner and outer bottles. As a result, it is possible to prevent deformation due to negative pressure on the outer bottle. 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, the contents should be filled in the bottle. Therefore, the deformation of the outer bottle can be prevented.

【図面の簡単な説明】[Brief description of drawings]

【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】上記ピースの二軸延伸状態を示す断面図であ
る。FIG. 5 is a cross-sectional view showing a biaxially stretched state of the piece.

【図６】内外二重壜の断面図である。FIG. 6 is a sectional view of an inner and outer double bottle.

【符号の説明】[Explanation of symbols]

１ ピース ３ 外向きフランジ ４ 空気流通溝 11 外壜 15 内壜 18 内外二重壜 22 押下げ棒 23 圧縮空気管 1 piece 3 outward flange 4 air circulation grooves 11 outer bottle 15 inner bottle 18 double bottle inside and outside 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)

【特許請求の範囲】[Claims] 【請求項１】 有底かつ上端面開口の管部２上端に外向
きフランジ３を付設して該フランジ外周面に適当数の空
気流通溝４を縦設し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. An inner bottle forming, characterized in that an outward flange 3 is attached to an upper end of a pipe portion 2 having a bottom and an upper end surface opening, and an appropriate number of air circulation grooves 4 are vertically provided on an outer peripheral surface of the flange. Biaxially stretchable synthetic resin piece 【請求項２】 請求項１記載のピース１の管部を加熱し
た後、該ピース１よりも長い外壜11内へ、該ピースの上
端部を保持して管部２を挿入させ、かつ該外壜内面をキ
ャビティとして管部２を二軸延伸することで該ピースを
内壜15となし、該内壜上端の外向きフランジ３外周面を
外壜が有する口頸部12の上端部内面へ嵌着させて行うこ
とを特徴とする内外二重壜の成形方法。2. After heating the pipe portion of the piece 1 according to claim 1, the pipe portion 2 is inserted into the outer bottle 11 longer than the piece 1 while holding the upper end portion of the piece, and The piece is made into an inner bottle 15 by biaxially extending the tube portion 2 with the inner surface of the outer bottle as a cavity, and the outer peripheral surface of the outward flange 3 at the upper end of the inner bottle is directed to the inner surface of the upper neck portion 12 of the outer bottle. A method for forming an inner and outer double bottle, which is performed by fitting. 【請求項３】 請求項２記載の成形方法により形成させ
た内外二重壜。3. An inner and outer double bottle formed by the molding method according to claim 2.
JP21287591A 1991-07-29 1991-07-29 Biaxially stretchable synthetic resin piece for forming inner bottle, method for forming inner / outer double bottle, and inner / outer double bottle Expired - Fee Related JP3062309B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21287591A JP3062309B2 (en) 1991-07-29 1991-07-29 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
JP21287591A JP3062309B2 (en) 1991-07-29 1991-07-29 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
JPH0531791A true JPH0531791A (en) 1993-02-09
JP3062309B2 JP3062309B2 (en) 2000-07-10

Family

ID=16629715

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21287591A Expired - Fee Related JP3062309B2 (en) 1991-07-29 1991-07-29 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) JP3062309B2 (en)

Cited By (22)

* Cited by examiner, † Cited by third party
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JPH071564A (en) * 1993-06-16 1995-01-06 Nissei Asb Mach Co Ltd Refillable biaxially stretched blow molded bottle and reutilization thereof
JPH0716915A (en) * 1993-05-07 1995-01-20 Nissei Asb Mach Co Ltd Double-wall bottle and its molding method and device
WO2008129012A1 (en) * 2007-04-19 2008-10-30 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
CN101875423A (en) * 2009-04-30 2010-11-03 奥尔索拉·帕特里尼 The container and the manufacture method thereof that can connect gas pump
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
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