JPH02248232A - Production of vessel fitted with tongue piece for hanging - Google Patents
Production of vessel fitted with tongue piece for hangingInfo
- Publication number
- JPH02248232A JPH02248232A JP1069498A JP6949889A JPH02248232A JP H02248232 A JPH02248232 A JP H02248232A JP 1069498 A JP1069498 A JP 1069498A JP 6949889 A JP6949889 A JP 6949889A JP H02248232 A JPH02248232 A JP H02248232A
- Authority
- JP
- Japan
- Prior art keywords
- preform
- tongue piece
- mold
- molded
- molding
- 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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 238000000465 moulding Methods 0.000 claims abstract description 17
- 238000000071 blow moulding Methods 0.000 claims abstract description 14
- 229920005989 resin Polymers 0.000 claims abstract description 6
- 239000011347 resin Substances 0.000 claims abstract description 6
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 6
- 239000000057 synthetic resin Substances 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005629 polypropylene homopolymer Polymers 0.000 description 1
Classifications
-
- 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
- B29C49/08—Biaxial stretching during blow-moulding
- B29C49/10—Biaxial stretching during blow-moulding using mechanical means for prestretching
- B29C49/14—Clamps
-
- 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
- B29C49/071—Preforms or parisons characterised by their configuration, e.g. geometry, dimensions or physical properties
-
- 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
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
- B29C2049/4856—Mounting, exchanging or centering moulds or parts thereof
- B29C2049/4858—Exchanging mould parts, e.g. for changing the mould size or geometry for making different products in the same mould
-
- 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
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
- B29C2049/4879—Moulds characterised by mould configurations
- B29C2049/4892—Mould halves consisting of an independent main and bottom part
-
- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/072—Preforms or parisons characterised by their configuration having variable wall thickness
-
- 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
- B29C2949/072—Preforms or parisons characterised by their configuration having variable wall thickness
- B29C2949/0725—Preforms or parisons characterised by their configuration having variable wall thickness at bottom portion
-
- 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
- B29C2949/073—Preforms or parisons characterised by their configuration having variable diameter
-
- 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
- B29C2949/073—Preforms or parisons characterised by their configuration having variable diameter
- B29C2949/0733—Preforms or parisons characterised by their configuration having variable diameter at body portion
-
- 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
- B29C2949/076—Preforms or parisons characterised by their configuration characterised by the shape
- B29C2949/0768—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
- B29C2949/077—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the neck
- B29C2949/0772—Closure retaining means
- B29C2949/0776—Closure retaining means not containing threads
-
- 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
- B29C2949/076—Preforms or parisons characterised by their configuration characterised by the shape
- B29C2949/0768—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
- B29C2949/078—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the bottom
-
- 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
- B29C2949/081—Specified dimensions, e.g. values or ranges
- B29C2949/0811—Wall thickness
- B29C2949/0818—Wall thickness of the bottom
-
- 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
- B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
- B29C2949/22—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at neck portion
-
- 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
- B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
- B29C2949/24—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at flange portion
-
- 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
- B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
- B29C2949/26—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at body portion
-
- 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
- B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
- B29C2949/28—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at bottom portion
-
- 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
-
- 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
- B29C49/08—Biaxial stretching during blow-moulding
- B29C49/10—Biaxial stretching during blow-moulding using mechanical means for prestretching
- B29C49/12—Stretching rods
- B29C49/1208—Stretching rods using additional means to clamp the preform bottom while stretching the preform
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は射出成形された合成樹脂製プリフォームを、ブ
ロー成形して容器を製造ケる方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a method for manufacturing containers by blow molding injection molded synthetic resin preforms.
従来、合成樹脂製容器の製造方法として特開昭６１−２
８７７２８号公報がある。Conventionally, as a manufacturing method for synthetic resin containers, Japanese Patent Application Laid-Open No. 61-2
There is a publication No. 87728.
前記特開昭６１−２８７７２８号公報に記載された容器
の製造方法は、射出成形して形成されたポリオレフィン
系樹脂製のプリフォームを、ブロー成形金型内でブロー
成形して、第８図に２点鎖線で示すような底３５を備え
た偏平状の柔軟性をＹＴする容器を形成し、次に、２点
鎖線で示（また容器を、ブロー成形金型から取り出（１
、底３５の−１一方に吊り下げ孔１０を形成すると共に
、吊りＦげ孔１０の上方を溶着３６シて、新たな底部と
し、さらに、吊り下げ孔１０の下部を切断して底３５を
取り除いて吊り下げ容器としたものである。The method of manufacturing a container described in JP-A No. 61-287728 involves blow-molding a preform made of polyolefin resin formed by injection molding in a blow-molding mold, as shown in FIG. A flat, flexible container with a bottom 35 as shown by the two-dot chain line is formed, and then the container is removed from the blow molding mold (1) as shown by the two-dot chain line.
, a hanging hole 10 is formed on one side of the bottom 35, and the upper part of the hanging hole 10 is welded 36 to form a new bottom, and the lower part of the hanging hole 10 is cut to form the bottom 35. It was removed and used as a hanging container.
第８図に示される容器の製造方法は、容器をブロー成形
した後、ブロー成形金型から取り出し、吊り下げ孔１０
を形成すると共に新たに底部を形成するものであり、製
造工程が増加１２コスト高となるものである。The method for manufacturing the container shown in FIG.
In this method, a new bottom part is formed at the same time as the bottom part, which increases the number of manufacturing steps and costs.
本発明は前記事項に鑑みなされたものであり、吊り下げ
用舌片付容器の製造を能率良く行なえるようにすること
を技術的課題とする。The present invention has been made in view of the above-mentioned problems, and its technical object is to enable efficient manufacturing of a container with a hanging tongue piece.
本発明は射出成形され、底部に肉厚（軸方向の長さ ）
が４ｍ＋ａ以」二好ま（７くは１Ｏ−ｆ５ａｖの肉厚ｔ
４３の形成された合成樹脂製プリフォーム１Ａを、舌片
１０を形成するための樹脂溜り部１９がキャビティ底部
に設置」られた延伸温度調整金型１８内に配置して、プ
リフォーム１Δ内に送気し、プリフォーム１Ａを延伸し
て予備ブロー成形１２、次に、この予備ブロー成形した
プリフォーム１Ｂの肉厚部３を、舌片成形金型２２で挟
み付けて、吊り下げ孔１１の形成された舌片ｌＯを形成
し、さらに、舌片１０を挾持１、た舌片成形金型２２で
、プリフォーム１Ｂを縦方向に引っ張って延伸し、そし
て、この縦方向に延伸したプリフォーム１Ｃを、ブロー
成形金型３０で囲み、プリフォームＩｃ内に送気して径
方向に延伸１．てブロー成形して吊り下げ舌片ト１容器
を製造することとした。This invention is injection molded and has a thick wall (axial length) at the bottom.
is 4m+a or more (thickness t of 7 or 1O-f5av)
The synthetic resin preform 1A in which the tongue piece 10 is formed is placed in a stretching temperature adjusting mold 18 in which a resin reservoir 19 for forming the tongue piece 10 is installed at the bottom of the cavity, and Air is supplied, the preform 1A is stretched and pre-blow molded 12, and the thick part 3 of the pre-blow molded preform 1B is then sandwiched between the tongue molding molds 22 to form the hanging holes 11. The formed tongue piece lO is formed, and further, the preform 1B is stretched in the longitudinal direction with the tongue piece molding die 22 holding the tongue piece 10, and the preform stretched in the longitudinal direction is 1C is surrounded by a blow molding mold 30, and air is blown into the preform Ic to stretch it in the radial direction. It was decided that one container with a hanging tongue piece would be produced by blow molding.
第１図乃至第７図は本発明の一実施例の成形工程の概略
を示すものである。1 to 7 schematically show the molding process of one embodiment of the present invention.
この実施例は、まず、Ｖ Ｆ Ｒ０，５ｇ／ １０ｍ１
ｎのポリプロピレンホモポリマーを射出延伸ブ〔Ｊ−成
形器ＡＳＢ−２５０により、射出成形温度２２０℃・成
形金型温度１５℃で、第１図に示す底部に肉ＩＶ（長さ
）１０ｍｍの肉厚部３を形成１．たプリフォーム■Ａに
形成する。In this example, first, V F R0,5g/10m1
An injection-stretched polypropylene homopolymer of n was made using a J-molding machine ASB-250 at an injection molding temperature of 220°C and a mold temperature of 15°C, and a wall thickness IV (length) of 10 mm was formed on the bottom shown in Figure 1. Forming part 31. Form into a preform ■A.
次に１１頚部２をネック金型１５で挾持したプリフォー
ム１Ａを第２図に示すように、底部に樹脂溜り部１９を
設けた延伸温度調整金型１８により、延伸温度調整金型
１８の温度１４０℃・予備ブローエア圧力が５ｋｇ／ｃ
ｌ’で、プリフォーム１Ａ内にエアを送気し、予備ブロ
ー延伸倍率を、縦１倍・横１．２倍として延伸ｊ７、第
３図に示すように予備ブロー成形したプリフォーム１Ｂ
を形成する。Next, as shown in FIG. 2, the preform 1A with the neck 2 held between the neck molds 15 is heated by the stretching temperature adjusting mold 18 having a resin reservoir 19 at the bottom. 140℃・Preliminary blow air pressure is 5kg/c
At 1', air is blown into the preform 1A, and the preliminary blow stretching ratio is set to 1x in the vertical direction and 1.2x in the horizontal direction, and the preform 1B is stretched as shown in FIG. 3.
form.
次に、この予備ブロー成形したプリフォーム１Ｂの肉厚
部３を、第４図に示すように、固定型２３と弓動型２４
よりなる舌片成形金型２２で挟み付けて、舌片１０を形
成すると共に、固定型２３と可動型２４の孔成形用突出
部２５．２５で舌片ｌＯに吊り下げ孔１１を形成４″る
。Next, as shown in FIG.
The tongue piece 10 is formed by sandwiching the tongue piece 10 with the tongue piece forming mold 22, and the hanging hole 11 is formed in the tongue piece lO using the hole forming projections 25 and 25 of the fixed mold 23 and the movable mold 24. Ru.
次に、舌片ｉｏを挾持した舌片成形金型２２を縦方向に
引っ張って延伸１−１そして、第５図に示すように、縦
方向に延伸したプリフォーム１Ｃを、ブロー成形金型３
０で囲むと共に、舌片成形金型２２の外周面に、ブロー
成形金型３０の下端縁を密着させて、プリフォーム１Ｃ
内にエアを送気１７、第６図に示すように、プリフォー
ム１Ｃを横方向に延伸してブロー成形し、第７図に示す
吊り下げ用舌片付容器を製造ｊまた。そｌ−て、この成
形の延伸倍率は、縦１．６倍・横３．３倍であり、成形
された容器の重徹は４０ｇで、偏肉が少なく、かつ、透
明性と落下強度が極めて優れたポリプロピレン樹脂製容
器であった。Next, the tongue piece molding die 22 holding the tongue piece io is pulled in the longitudinal direction for stretching 1-1.Then, as shown in FIG.
0, and the lower edge of the blow molding mold 30 is brought into close contact with the outer peripheral surface of the tongue piece molding mold 22 to form the preform 1C.
As shown in FIG. 6, the preform 1C is stretched laterally and blow molded to produce a container with a hanging tongue piece shown in FIG. 7. The stretching ratio for this molding was 1.6 times vertically and 3.3 times horizontally, and the weight of the molded container was 40 g, with little uneven thickness, and good transparency and drop strength. It was an extremely excellent polypropylene resin container.
そして、この容器は、吊り下げ孔１１で縣垂して輸液等
に用いられるものである。This container is hung from the hanging hole 11 and is used for infusions and the like.
さらに、前記実施例は、吊り下げ舌片付容器の胴部８を
円筒形に形成したが、この胴部８は偏（■４状に形成（
２てもよい。Further, in the above embodiment, the body part 8 of the container with a hanging tongue piece was formed into a cylindrical shape, but this body part 8 was formed into an uneven shape (■4 shape).
2 is fine.
そして、容器の胴部を偏平状に形成する場合は、プリフ
ォーム１Ｂの肉厚！１３を挟み付けて舌片１０を成形］
また舌片成形金型２２を、ブロー成形金型３０の外部に
引き出ｌ、て、ブロー成形金型３０の下端縁で、プリフ
ォーム１Ｂの底部を挟圧することら可能である。When forming the body of the container into a flat shape, the wall thickness of the preform 1B! 13 to form the tongue piece 10]
It is also possible to pull out the tongue molding die 22 to the outside of the blow molding die 30 and pinching the bottom of the preform 1B with the lower edge of the blow molding die 30.
本発明は、プリフォームに肉厚部３を形成し、そして、
この肉厚部３を舌片成形金型１８で挟み付けて、吊り下
げ孔ｌｌの形成された舌片ｌＯを成形すると共に、この
舌片成形金型２２でプリフォーム１夏３を引っ張って延
伸を行ない、吊り下げ舌片付容器を成形するものであり
、舌片１０の成形とプリフォーム１Ｂの引っ張りを同一
部材で行ない、そして、ブロー成形完了時には、舌片１
０も成形されているので製造を能率良く行なえるように
なった。The present invention forms a thick portion 3 in a preform, and
The thick portion 3 is sandwiched between the tongue molding molds 18 to form a tongue lO in which the hanging hole ll is formed, and the preform 1 summer 3 is pulled and stretched using the tongue molding mold 22. The container with the hanging tongue piece is molded using the same material, and when the blow molding is completed, the tongue piece 1 is molded with the same material.
0 is also molded, making manufacturing more efficient.
第１図乃至第７図は本発明の−・実施例の成形工程の概
略を示す図で、第１図はプリフォームの断面図、第２図
は予備ブロー成形のための延伸温度調整金型に配置した
状態を示す断面図、第３図は予備ブロー成形を行なった
状態を示す断面図、第４図は舌片を形成した状態を示す
断面図、第５図はそれを縦方向に延伸した状態を示す断
面図、第６図はそれをブロー成形］また状態を示す断面
図、第７図は製造された吊り下げ用舌片付容器の正面図
、第８図は従来例の説明用の図である。
１Ａ・・射出成形されたプリフォーム、１Ｂ・・予備ブ
ロー成形したプリフォーム、ｌＣ・・縦方向に延伸した
プリフォーム、３・・肉厚部、 １０・・舌片、
１１・・吊り下げ孔、 １８・・延伸温度調整金型、
１９・・樹脂溜り部、 ２２・・舌片成形金型、３０
・・ブロー成形金型。
第５図
第６図
第７図
第２図
＋５ ２ １５
第８図Figures 1 to 7 are diagrams showing an outline of the molding process of an embodiment of the present invention, with Figure 1 being a sectional view of a preform, and Figure 2 being a stretching temperature adjustment mold for preliminary blow molding. 3 is a sectional view showing the state in which the tongue piece has been formed, FIG. 3 is a sectional view showing the state in which the tongue piece has been formed, FIG. Fig. 6 is a cross-sectional view showing the state in which it is blow molded; Fig. 7 is a front view of the manufactured container with a hanging tongue; Fig. 8 is for explanation of the conventional example. This is a diagram. 1A: injection-molded preform, 1B: preliminary blow-molded preform, 1C: longitudinally stretched preform, 3: thick wall section, 10: tongue piece,
11... Hanging hole, 18... Stretching temperature adjustment mold,
19... Resin reservoir portion, 22... Tongue piece mold, 30
...Blow molding mold. Figure 5 Figure 6 Figure 7 Figure 2 +5 2 15 Figure 8
Claims (1)
樹脂製のプリフォーム１Ａを、キャビティ底部に樹脂溜
り部１９を設けた延伸温度調整金型１８内に配置して、
プリフォーム１Ａ内に送気し、プリフォーム１Ａを延伸
して予備ブロー成形し、次に、この予備ブロー成形した
プリフォーム１Ｂの肉厚部３を舌片成形金型２２で挟み
付けて、吊り下げ孔１１の形成された舌片１０を成形し
、さらに、舌片１０を挾持した舌片成形金型２２で、プ
リフォーム１Ｂを縦方向に引っ張って延伸し、そして、
この縦方向に延伸したプリフォーム１Ｃを、ブロー成形
金型３０で囲み、プリフォーム１Ｃ内に送気して径方向
に延伸してブロー成形する吊り下げ用舌片付容器の製造
方法。(1) An injection-molded synthetic resin preform 1A with a thick wall portion 3 formed at the bottom is placed in a stretching temperature adjustment mold 18 having a resin reservoir 19 at the bottom of the cavity.
Air is blown into the preform 1A, the preform 1A is stretched and preliminary blow molded, and then the thick part 3 of the preform 1B that has been preliminarily blow molded is sandwiched between the tongue molding molds 22 and suspended. The tongue piece 10 in which the lowering hole 11 is formed is molded, and the preform 1B is stretched in the longitudinal direction using a tongue piece molding die 22 that holds the tongue piece 10, and then,
A method for producing a container with a hanging tongue piece, in which the vertically stretched preform 1C is surrounded by a blow molding mold 30, air is blown into the preform 1C, and the preform 1C is stretched in the radial direction and blow molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1069498A JPH02248232A (en) | 1989-03-22 | 1989-03-22 | Production of vessel fitted with tongue piece for hanging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1069498A JPH02248232A (en) | 1989-03-22 | 1989-03-22 | Production of vessel fitted with tongue piece for hanging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02248232A true JPH02248232A (en) | 1990-10-04 |
Family
ID=13404445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1069498A Pending JPH02248232A (en) | 1989-03-22 | 1989-03-22 | Production of vessel fitted with tongue piece for hanging |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02248232A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011079243A (en) * | 2009-10-08 | 2011-04-21 | Frontier:Kk | Blow molding method of flat container |
| WO2013089054A1 (en) * | 2011-12-13 | 2013-06-20 | 吉田プラ工業株式会社 | Parison and container blow-molding method using same |
| JP2017012420A (en) * | 2015-06-30 | 2017-01-19 | テルモ株式会社 | Medical liquid storage container body, medicine filled medical container, production method of medical liquid storage container and production method of medicine filled medical container |
-
1989
- 1989-03-22 JP JP1069498A patent/JPH02248232A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011079243A (en) * | 2009-10-08 | 2011-04-21 | Frontier:Kk | Blow molding method of flat container |
| WO2013089054A1 (en) * | 2011-12-13 | 2013-06-20 | 吉田プラ工業株式会社 | Parison and container blow-molding method using same |
| JPWO2013089054A1 (en) * | 2011-12-13 | 2015-04-27 | 吉田プラ工業株式会社 | Parison and container blow molding method using the same |
| JP2017012420A (en) * | 2015-06-30 | 2017-01-19 | テルモ株式会社 | Medical liquid storage container body, medicine filled medical container, production method of medical liquid storage container and production method of medicine filled medical container |
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