JP2000313054A - Manufacture of vessel - Google Patents
Manufacture of vesselInfo
- Publication number
- JP2000313054A JP2000313054A JP11124434A JP12443499A JP2000313054A JP 2000313054 A JP2000313054 A JP 2000313054A JP 11124434 A JP11124434 A JP 11124434A JP 12443499 A JP12443499 A JP 12443499A JP 2000313054 A JP2000313054 A JP 2000313054A
- Authority
- JP
- Japan
- Prior art keywords
- container
- blow molding
- fitting recess
- contact
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 17
- 238000000071 blow moulding Methods 0.000 claims abstract description 29
- 238000007788 roughening Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 14
- 230000032683 aging Effects 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract description 6
- 230000002087 whitening effect Effects 0.000 abstract description 4
- 238000005336 cracking Methods 0.000 abstract 2
- 239000011347 resin Substances 0.000 description 11
- 229920005989 resin Polymers 0.000 description 11
- 238000001746 injection moulding Methods 0.000 description 5
- -1 polyethylene terephthalate Polymers 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229920001225 polyester resin Polymers 0.000 description 3
- 239000004645 polyester resin Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- MMINFSMURORWKH-UHFFFAOYSA-N 3,6-dioxabicyclo[6.2.2]dodeca-1(10),8,11-triene-2,7-dione Chemical group O=C1OCCOC(=O)C2=CC=C1C=C2 MMINFSMURORWKH-UHFFFAOYSA-N 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 239000004278 EU approved seasoning Substances 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 235000013334 alcoholic beverage Nutrition 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 235000011194 food seasoning agent Nutrition 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000005480 shot peening Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
Description
【産業上の利用分野】本発明は、容器の製造方法に関
し、特に、容器本体の胴部の一部に把手取付凹部を備え
た容器の製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a container, and more particularly to a method for manufacturing a container having a handle mounting recess in a part of a body of a container body.
【従来技術】ポリエチレンテレフタレート等のポリエス
テル樹脂を射出成形したプリフォームを二軸延伸ブロー
成形した容器は、飲料、酒類、調味料等の液体内容物を
収納する容器として広く使用されている。この二軸延伸
ブロー成形容器の内、比較的容量が大きい容器では、そ
の取り扱い易さの点から射出成形等による別体の把手を
取り付けることが行われており、この種の容器として図
８に例示する把手を取り付けた容器１０が存在し、容器
本体１１の胴部１２の一部に把手取付凹部１３を備え、
上記把手取付凹部１３に把手１６を取り付けている。そ
して、この把手１６の取り付けは、図示しないが、上記
把手１６を二軸延伸ブロー成形金型にセットした後、次
いで、通常のプリフォームを二軸延伸ブロー成形して把
手取付凹部１３を備えた容器本体１１とする際に、上記
把手１６を容器本体１１の把手取付凹部１３に取り付け
る方法、上記容器本体１１を二軸延伸ブロー成形後、溶
融樹脂を射出成形して把手１６を上記把手取付凹部１３
に取り付ける方法、或いは容器本体１１と把手１６を別
々に成形後、両者を嵌合、接着等の手段で把手１６を上
記把手取付凹部１３に取り付ける方法がある。しかしな
がら、いずれにしても、胴部１２の一部に把手取付凹部
１３を有する容器本体１１の二軸延伸ブロー成形は、先
ず、延伸倍率の低い把手取付凹部１３が成形金型に接し
た後、さらに、上記把手取付凹部１３と反対側の最大径
の胴部１２が成形される。この結果、二軸延伸ブロー成
形時のプリフォームが、容器本体１１の把手取付凹部１
３側に引き寄せられ、上記プリフォームを射出成形する
際に形成された底部中心のゲート部Ｇが、成形中に容器
本体１１の底部１４の中心から上記把手取付凹部１３側
にずれてしまうといった問題がある。そして、容器本体
１１の底部１４は、上記ゲート部Ｇが接地しないように
ドーム状に上げ底形状となっているが、ゲート部Ｇが底
部１４の中心からずれると、上記ゲート部Ｇが落下の際
に接地して底割れを生じる。一方、上述したゲート部Ｇ
のズレによって、ずれた方向と反対側の底部１４におい
ては過延伸による白化、薄肉化が生じ、商品価値が低下
するといった問題がある。特に、上記した問題は、容器
本体１１の口部１５の径を小径にすると、延伸倍率が大
きくなるため顕著に表れる。2. Description of the Related Art A container formed by biaxially stretch-blowing a preform obtained by injection-molding a polyester resin such as polyethylene terephthalate is widely used as a container for storing liquid contents such as beverages, alcoholic beverages, and seasonings. Among the biaxially stretched blow-molded containers, for a container having a relatively large capacity, a separate handle is attached by injection molding or the like in terms of ease of handling, and this type of container is shown in FIG. There is a container 10 to which a handle is attached as an example, and a handle mounting recess 13 is provided in a part of the body 12 of the container body 11,
A handle 16 is attached to the handle attachment recess 13. Although not shown, the handle 16 was set in a biaxial stretch blow molding die, and then a normal preform was biaxially stretch blow molded to provide a handle mounting recess 13. When the container body 11 is used, the handle 16 is attached to the handle mounting recess 13 of the container body 11. After the container body 11 is biaxially stretch blow-molded, molten resin is injection-molded to form the handle 16 into the handle mounting recess. 13
Alternatively, there is a method of separately molding the container body 11 and the handle 16 and then attaching the handle 16 to the handle mounting recess 13 by means such as fitting and bonding. However, in any case, in the biaxial stretch blow molding of the container body 11 having the handle mounting recess 13 in a part of the body 12, first, the handle mounting recess 13 having a low stretching ratio comes into contact with the molding die. Further, the trunk portion 12 having the maximum diameter opposite to the handle mounting recess 13 is formed. As a result, the preform at the time of biaxial stretching blow molding is
The problem is that the gate G at the bottom center formed when the preform is injection-molded is displaced from the center of the bottom 14 of the container body 11 to the handle mounting recess 13 during molding. There is. The bottom portion 14 of the container body 11 has a dome-shaped raised bottom shape so that the gate portion G does not touch the ground. However, if the gate portion G is displaced from the center of the bottom portion 14, the gate portion G may fall. Contact with the ground causes a bottom crack. On the other hand, the gate G
Causes whitening and thinning due to overstretching at the bottom portion 14 on the side opposite to the displaced direction, resulting in a problem that the commercial value is reduced. In particular, the above-described problem becomes conspicuous when the diameter of the mouth 15 of the container body 11 is reduced, because the stretching ratio increases.
【課題を解決するための手段】本発明によれば、容器本
体の胴部の一部に把手取付凹部を備えた容器の製造方法
において、上記容器本体を成形する際に、上記把手取付
凹部が接する干渉部に接触抵抗を減少させる処理を施し
たブロー成形金型で二軸延伸ブロー成形を行う容器の製
造方法が提供される。また、本発明によれば、上記容器
の製造方法において、接触抵抗を減少させる処理が、粗
面加工である容器の製造方法が提供される。また、本発
明によれば、上記容器の製造方法において、接触抵抗を
減少させる処理が、樹脂チップの埋め込みである容器の
製造方法が提供される。According to the present invention, in a method of manufacturing a container having a handle mounting recess in a part of the body of the container body, the handle mounting recess is formed when the container body is molded. Provided is a method for manufacturing a container for performing biaxial stretch blow molding with a blow molding die having a treatment for reducing contact resistance at an interfering contact portion. Further, according to the present invention, there is provided a method for manufacturing a container, wherein the treatment for reducing contact resistance is roughening in the method for manufacturing a container. Further, according to the present invention, there is provided a method for manufacturing a container, wherein the process for reducing contact resistance is embedding of a resin chip in the method for manufacturing a container.
【発明の実施の形態】本発明の容器の製造方法は、ポリ
エチレンテレフタレート等のポリエステル樹脂を射出成
形して得たプリフォームを二軸延伸ブロー成形して、容
器本体の胴部の一部に把手取付凹部を備えた容器とする
が、上記容器本体を製造する際に、上記把手取付凹部が
接する干渉部に接触抵抗を減少させる処理を施す。ブロ
ー成形金型の干渉部の接触抵抗を減少させる処理として
は、サンドブラスト、ショットピーニング、エッチン
グ、ヤスリ等による粗面加工が挙げられる。また、必要
に応じて、上記粗面加工を行った後に、ＴｉＮ、Ｃｒ
Ｎ、Ｃｒ、Ｎｉ−フッ素、Ｎｉメッキ、テフロン、ＤＬ
Ｃ、セラミック、ＧＬＣ、フッ素コーティング、セラミ
ック溶射、アルマイト処理等のさらに接触抵抗を減少さ
せる処理を行っても良い。尚、上記粗面加工は、ブロー
成形金型の干渉部の全面、或いは部分的のいずれに施し
ても良いが、成形後の容器において、干渉部の粗面加工
痕の範囲を狭くする点から部分的に施すのが望ましい。
また、容器の把手取付凹部が接触するブロー成形金型の
干渉部と上記把手取付凹部との接触抵抗を減少させる処
理としてチップを上記干渉部に埋め込む。チップとして
は、好適にはナイロン、シリコンゴム、フッ素ゴム、フ
ッ素樹脂、ＰＯＭ、ＡＢＳ、アクリル樹脂、ポリカーボ
ネート等の樹脂チップが挙げられるが、上記樹脂チップ
に限定されるものではない。このチップの埋め込みによ
れば、二軸延伸ブロー成形時に干渉部の接触抵抗が大き
くなった際に、上記チップを交換することで容易に対応
できる。さらに、本発明の容器の製造方法においては、
上記干渉部に表面処理を行うと共に、その部分にチップ
を埋め込んでも良い。この結果、容器の二軸延伸ブロー
成形時に、容器の把手取付凹部とブロー成形金型表面と
の接触抵抗が減少し、底部中心のゲート部のズレ、底割
れ、底部の過延伸による白化、薄肉化、商品価値の低下
が防止される。尚、本発明の容器の製造方法で製造され
る容器を構成する樹脂としては、二軸延伸ブロー成形に
よって分子配向可能な樹脂であれば任意な樹脂を用いる
ことができ、その代表例としてはポリエステル樹脂が挙
げられ、ポリエチレンテレフタレート（ＰＥＴ）、ポリ
ブチレンテレフタレート、或いはエチレンテレフタレー
ト単位を主体とする共重合ポリエステルが挙げられる。
一方、上記容器Ｂに取り付けられる把手を構成する樹脂
としては、射出成形可能な樹脂であれば任意に樹脂を用
いることができ、上記容器と同種のポリエステル樹脂、
或いはポリプロピレン等が挙げられる。BEST MODE FOR CARRYING OUT THE INVENTION The method of manufacturing a container according to the present invention is characterized in that a preform obtained by injection-molding a polyester resin such as polyethylene terephthalate is biaxially stretch blow-molded and a handle is provided on a part of the body of the container body. Although the container is provided with the mounting concave portion, when manufacturing the container main body, a process of reducing the contact resistance is performed on the interference portion in contact with the handle mounting concave portion. Examples of the treatment for reducing the contact resistance of the interference portion of the blow molding die include sand blasting, shot peening, etching, and roughening by sanding. If necessary, after performing the above roughening, TiN, Cr
N, Cr, Ni-fluorine, Ni plating, Teflon, DL
A treatment for further reducing the contact resistance such as C, ceramic, GLC, fluorine coating, ceramic spraying, and alumite treatment may be performed. The rough surface processing may be performed on the entire surface of the interference part of the blow molding die or on any part thereof. However, in the molded container, the rough surface processing trace of the interference part is narrowed. It is desirable to apply it partially.
In addition, a chip is embedded in the interference portion as a process for reducing the contact resistance between the interference portion of the blow molding die and the handle installation concave portion that comes into contact with the handle installation recess portion of the container. Suitable chips include resin chips such as nylon, silicone rubber, fluoro rubber, fluoro resin, POM, ABS, acrylic resin, and polycarbonate, but are not limited to the above resin chips. According to the embedding of the chip, when the contact resistance of the interference portion increases during the biaxial stretch blow molding, it can be easily coped with by exchanging the chip. Further, in the method for producing a container of the present invention,
A surface treatment may be performed on the interference portion, and a chip may be embedded in the portion. As a result, at the time of biaxial stretch blow molding of the container, the contact resistance between the handle mounting recess of the container and the surface of the blow molding die is reduced, and the gate at the center of the bottom is displaced, the bottom is cracked, the bottom is whitened due to overstretching, and the wall is thinned. And the reduction of the commercial value is prevented. As the resin constituting the container manufactured by the container manufacturing method of the present invention, any resin can be used as long as it is a resin capable of molecular orientation by biaxial stretch blow molding, and a typical example thereof is polyester. Examples of the resin include polyethylene terephthalate (PET), polybutylene terephthalate, and a copolymerized polyester mainly composed of ethylene terephthalate units.
On the other hand, as the resin constituting the handle attached to the container B, any resin can be used as long as it can be injection-molded, and the same type of polyester resin as the container,
Alternatively, polypropylene or the like can be used.
【実施例１】図１は本発明の実施例１を示す図、図２は
図１におけるＡ−Ａ断面図で、１はブロー成形金型、２
は干渉部、３はパーティングラインである。ブロー成形
金型１において、容器１１の胴部１２の一部に形成され
た把手取付凹部１３が、二軸延伸ブロー成形時に接触す
る上記ブロー成形金型１の干渉部２は、その表面全体に
粗面加工が施されている。そして、ブロー成形金型１
に、先ず、図示しないが適宜手段により把手１６をセッ
トし、次いで、プリフォームを供給して二軸延伸ブロー
成形すると、容器１１の二軸延伸ブロー成形は、先ず、
横延伸倍率の低い把手取付凹部１３がブロー成形金型１
の干渉部２に接触し、次いで、上記把手取付凹部１３と
反対側の最大径の胴部１２が成形される。しかしなが
ら、容器１１の把手取付凹部１３は、ブロー成形金型１
の粗面加工が施された干渉部２に接触しながら成形され
るため、二軸延伸ブロー成形時に上記干渉部２に引き寄
せられることが無い。この結果、プリフォームの射出成
形時に形成された底部中心のゲート部Ｇが、二軸延伸ブ
ロー成形中に容器１１の底部１４の中心から上記把手取
付凹部１３側にずれることが無い。Embodiment 1 FIG. 1 is a view showing Embodiment 1 of the present invention, FIG. 2 is a sectional view taken along the line A--A in FIG.
Is an interference part, and 3 is a parting line. In the blow molding die 1, the gripping recess 13 formed in a part of the body 12 of the container 11 is brought into contact with the biaxial stretch blow molding. The surface is roughened. And blow molding die 1
First, although not shown, the handle 16 is set by appropriate means, and then the preform is supplied and biaxial stretch blow molding is performed.
The grip mounting recess 13 having a low transverse stretching ratio is the blow molding die 1
Then, the body 12 having the largest diameter on the opposite side to the handle mounting recess 13 is formed. However, the handle mounting recess 13 of the container 11 is
Since it is formed while contacting the interference part 2 which has been subjected to the rough surface processing, it is not attracted to the interference part 2 during biaxial stretch blow molding. As a result, the gate G at the center of the bottom formed at the time of injection molding of the preform does not shift from the center of the bottom 14 of the container 11 toward the handle mounting recess 13 during the biaxial stretch blow molding.
【実施例２】図３は本発明の実施例２を示す図で、図４
は図３におけるＢ−Ｂ断面図であり、上記実施例１と同
部位については同じ符号を付した。本実施例において
は、ブロー成形金型１の干渉部２に、周方向に沿って部
分的に粗面加工が施されており、他の構成は上記実施例
１と同様である。本実施例においては、成形後の容器１
１において、干渉部２の粗面加工痕の範囲を狭くするこ
とができる。Embodiment 2 FIG. 3 is a view showing Embodiment 2 of the present invention.
FIG. 4 is a cross-sectional view taken along the line BB in FIG. In this embodiment, the interference portion 2 of the blow molding die 1 is partially roughened along the circumferential direction, and the other configuration is the same as that of the first embodiment. In this embodiment, the container 1 after molding is used.
In (1), the range of the rough surface processing trace of the interference part 2 can be narrowed.
【実施例３】図５は本発明の実施例３を示す図で、図６
は図５におけるＣ−Ｃ断面図で、図７は図６のＤ部分の
拡大図であり、上記実施例１及び２と同部位については
同じ符号を付した。本実施例では、ブロー成形金型１の
干渉部２にチップ４を埋め込み、上記干渉部２の接触抵
抗を減少している。本実施例においても、上記実施例１
及び２と同様に、プリフォームを二軸延伸ブロー成形し
て容器１１とする際に、容器１１の把手取付凹部１３
は、ブロー成形金型１の接触抵抗が減少された干渉部２
に接触しながら成形されるため、二軸延伸ブロー成形時
に上記干渉部２に引き寄せられることが無い。そして、
本実施例によれば、上記干渉部２の接触抵抗の変化に対
して、例えば、大きくなった際に、チップ４を交換する
だけで容易に対応できる。Third Embodiment FIG. 5 is a view showing a third embodiment of the present invention.
FIG. 7 is a cross-sectional view taken along the line CC in FIG. 5, and FIG. 7 is an enlarged view of a portion D in FIG. 6. In FIG. In this embodiment, the chip 4 is embedded in the interference part 2 of the blow molding die 1 to reduce the contact resistance of the interference part 2. Also in this embodiment, the first embodiment is used.
When the preform is biaxially stretch blow-molded into the container 11 in the same manner as in FIGS.
The interference part 2 in which the contact resistance of the blow mold 1 is reduced
Therefore, it is not attracted to the interference part 2 during the biaxial stretch blow molding. And
According to the present embodiment, a change in the contact resistance of the interference unit 2 can be easily coped with, for example, by replacing the chip 4 when the contact resistance becomes large.
【発明の効果】本発明の容器の製造方法によれば、プリ
フォームの射出成形時に形成された容器本体の底部中心
のゲート部が、二軸延伸ブロー成形時に容器本体の底部
の中心から把手取付凹部側へズレことがな。また、上記
ズレによる底割れ、過延伸、白化、薄肉化が防止され、
商品価値が低下することがない。さらに、容器の口部径
を小径にした場合に、特に、上記した効果が顕著にな
る。According to the container manufacturing method of the present invention, the gate at the bottom center of the container body formed at the time of injection molding of the preform is attached to the handle from the center of the bottom of the container body at the time of biaxial stretch blow molding. No deviation to the concave side. In addition, bottom cracks due to the above displacement, overstretching, whitening, and thinning are prevented,
Product value does not decrease. Furthermore, when the diameter of the mouth of the container is reduced, the above-described effects are particularly remarkable.
【図１】本発明の実施例１の参考図FIG. 1 is a reference diagram of Embodiment 1 of the present invention.
【図２】図１におけるＡ−Ａ断面図FIG. 2 is a sectional view taken along line AA in FIG.
【図３】本発明の実施例２の参考図FIG. 3 is a reference diagram of Embodiment 2 of the present invention.
【図４】図３におけるＢ−Ｂ断面図FIG. 4 is a sectional view taken along line BB in FIG. 3;
【図５】本発明の実施例３の参考図FIG. 5 is a reference diagram of Embodiment 3 of the present invention.
【図６】図５におけるＣ−Ｃ断面図6 is a sectional view taken along the line CC in FIG.
【図７】図６におけるＤ部分の拡大図FIG. 7 is an enlarged view of a portion D in FIG. 6;
【図８】把手を取り付けた容器を示す参考図FIG. 8 is a reference view showing a container with a handle attached.
１ ブロー成形金型 ２ 干渉部 ３ パーティングライン ４ チップ DESCRIPTION OF SYMBOLS 1 Blow molding die 2 Interference part 3 Parting line 4 Chip
Claims (3)
えた容器の製造方法において、上記容器本体を成形する
際に、上記把手取付凹部が接する干渉部に接触抵抗を減
少させる処理を施したブロー成形金型で二軸延伸ブロー
成形を行うことを特徴とする容器の製造方法。In a method of manufacturing a container having a handle mounting recess in a part of a body of a container main body, a process for reducing contact resistance with an interference portion in contact with the handle mounting recess when forming the container main body. A method for producing a container, comprising performing biaxial stretch blow molding with a blow-molding die subjected to aging.
ある請求項１記載の容器の製造方法。2. The method according to claim 1, wherein the treatment for reducing the contact resistance is roughening.
め込みである請求項１記載の容器の製造方法。3. The method for manufacturing a container according to claim 1, wherein the treatment for reducing the contact resistance is embedding of a chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12443499A JP4211135B2 (en) | 1999-04-30 | 1999-04-30 | Container manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12443499A JP4211135B2 (en) | 1999-04-30 | 1999-04-30 | Container manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000313054A true JP2000313054A (en) | 2000-11-14 |
| JP4211135B2 JP4211135B2 (en) | 2009-01-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12443499A Expired - Fee Related JP4211135B2 (en) | 1999-04-30 | 1999-04-30 | Container manufacturing method |
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| Country | Link |
|---|---|
| JP (1) | JP4211135B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002326220A (en) * | 2001-04-27 | 2002-11-12 | Toppan Printing Co Ltd | Method for manufacturing two-layer preform |
| US7185777B2 (en) * | 2002-09-30 | 2007-03-06 | Yoshino Kogyosho Co., Ltd. | Synthetic resin bottle with grip |
-
1999
- 1999-04-30 JP JP12443499A patent/JP4211135B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002326220A (en) * | 2001-04-27 | 2002-11-12 | Toppan Printing Co Ltd | Method for manufacturing two-layer preform |
| US7185777B2 (en) * | 2002-09-30 | 2007-03-06 | Yoshino Kogyosho Co., Ltd. | Synthetic resin bottle with grip |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4211135B2 (en) | 2009-01-21 |
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