JPS6142807Y2 - - Google Patents
Info
- Publication number
- JPS6142807Y2 JPS6142807Y2 JP16008181U JP16008181U JPS6142807Y2 JP S6142807 Y2 JPS6142807 Y2 JP S6142807Y2 JP 16008181 U JP16008181 U JP 16008181U JP 16008181 U JP16008181 U JP 16008181U JP S6142807 Y2 JPS6142807 Y2 JP S6142807Y2
- Authority
- JP
- Japan
- Prior art keywords
- intermediate material
- biaxially stretched
- tube
- forming
- flange
- 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.)
- Expired
Links
- 239000000463 material Substances 0.000 claims description 17
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 238000004040 coloring Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Description
【考案の詳細な説明】
本案は二軸延伸壜成形用の管状中間素材に係
る。二軸延伸壜は、肉薄でしかも強度にすぐれる
ため、近時多く生産されているが、該壜の口頚部
は、壜成形用中間素材を二軸延伸するに際して、
その口頚部形成部分を金型により挾持するため、
該口頚部の二軸延伸が出来なかつた。このため、
上記中間素材の口頚部形成部分下側に、金型挾持
のために通常付設される外向きフランジと、該フ
ランジの下側からテーパ状に下外方へ拡開される
壜肩部との中間が、二軸延伸されない部分と二軸
延伸された部分との境界部分となり、該部分が二
軸延伸時、或いは二軸延伸壜内への高温液体充填
時等に変形し易い欠点があつた。[Detailed description of the invention] The present invention relates to a tubular intermediate material for biaxially stretched bottle forming. Biaxially stretched bottles have been produced in large numbers recently because they are thin and have excellent strength.
In order to hold the mouth and neck forming part with a mold,
Biaxial stretching of the mouth and neck region was not possible. For this reason,
An intermediate part between an outward flange that is normally attached to the lower side of the neck forming part of the intermediate material for holding the mold, and a bottle shoulder that expands downward and outward in a tapered shape from the lower side of the flange. However, this is the boundary between the non-biaxially stretched part and the biaxially stretched part, and this part has the disadvantage of being easily deformed during biaxial stretching or when filling a high-temperature liquid into a biaxially stretched bottle.
本案は上記欠点を除去したもので、以下図面に
ついて説明すると、１は二軸延伸壜成形用の中間
素材である。該素材は下端面を閉塞すると共に上
端面を開口させた管状の合成樹脂製の部材であ
る。該部材の上部はキヤツプ嵌合用筒部分で、該
部分外面には螺条２が付設させてあり、又その下
側には二軸延伸に際して金型に挾持させるための
外向きフランジ３が付設させてある。該中間素材
は射出成形により形成させておく。 The present invention eliminates the above-mentioned drawbacks, and will be described below with reference to the drawings. 1 is an intermediate material for forming biaxially stretched bottles. The material is a tubular synthetic resin member with a closed lower end and an open upper end. The upper part of the member is a cylindrical part for fitting a cap, and a thread 2 is attached to the outer surface of this part, and an outward flange 3 is attached to the lower side of the part to be clamped in a mold during biaxial stretching. There is. The intermediate material is formed by injection molding.
上記中間素材１の外向きフランジ直ぐ下側の筒
部分４には、該筒部分強化用の耐熱性保護管５を
嵌着させる。該保護管は、金属製又は耐熱性の合
成樹脂材製とすればよい。該保護管上端には上記
外向きフランジとほゞ同外径の外向き第２フラン
ジ６が付設してあり、該第２フランジ上面を外向
きフランジ３下面へ圧接させてある。尚中間素材
の保護管下方部分は二軸延伸壜７の肩部８および
胴部９等を形成する部分となる。 A heat-resistant protective tube 5 for reinforcing the cylindrical portion is fitted into the cylindrical portion 4 immediately below the outward flange of the intermediate material 1. The protective tube may be made of metal or a heat-resistant synthetic resin material. A second outward flange 6 having approximately the same outer diameter as the outward flange is attached to the upper end of the protective tube, and the upper surface of the second flange is pressed against the lower surface of the outward flange 3. Note that the lower portion of the protective tube of the intermediate material becomes a portion forming the shoulder portion 8, body portion 9, etc. of the biaxially stretched bottle 7.
本案は上記構成とするもので、管状中間素材の
外向きフランジ直ぐ下側筒部分に、該筒部分強化
用の耐熱性保護管５を嵌着させ、該保護管下方の
中間素材部分を、二軸延伸壜の肩部および胴部等
形成部分としたから、壜口頚部１０部分たる二軸
延伸されない部分と肩部８および胴部９等の二軸
延伸された部分との境界部分が耐熱性保護管５で
補強されることとなり、よつて二軸延伸時、或い
は二軸延伸壜内への液体充填時に上記境界部分が
変形することがない。尚上記保護管は着色等によ
り装飾管としての機能を持たせることも容易であ
る。 The present invention has the above-mentioned structure, in which a heat-resistant protection tube 5 for reinforcing the tube portion is fitted into the tube portion immediately below the outward flange of the tubular intermediate material, and the intermediate material portion below the protection tube is Since the shoulder and body parts of the axially stretched bottle are formed, the boundary between the part that is not biaxially stretched, such as the bottle neck 10 part, and the biaxially stretched parts, such as the shoulder part 8 and the body part 9, is heat resistant. Since it is reinforced by the protective tube 5, the boundary portion is not deformed during biaxial stretching or when filling the biaxially stretched bottle with liquid. Incidentally, the above-mentioned protective tube can easily be given a function as a decorative tube by coloring or the like.
第１図は本案管状中間素材の縦断面図、第２図
はその中間素材により形成させた二軸延伸壜の側
面図である。
１……管状中間素材、３……外向きフランジ、
５……耐熱性保護管。
FIG. 1 is a longitudinal sectional view of the proposed tubular intermediate material, and FIG. 2 is a side view of a biaxially stretched bottle formed from the intermediate material. 1...Tubular intermediate material, 3...Outward flange,
5...Heat-resistant protection tube.
Claims (1)
二軸延伸壜成形用の管状中間素材１であつて、該
中間素材の上部にキヤツプ嵌合用筒部分を残して
該筒部分の直ぐ下側に外向きフランジ３を付設さ
せ、更に該フランジの直ぐ下側筒部分に、該筒部
分強化用の耐熱性保護管５を嵌着させ、該保護管
下方の中間素材部分を、二軸延伸壜の肩部および
胴部等形成部分としたことを特徴とする、二軸延
伸壜成形用管状中間素材。 A tubular intermediate material 1 for forming biaxially stretched bottles having a closed lower end surface and an open upper end surface, with a cylindrical portion for fitting a cap left at the top of the intermediate material, and immediately below the cylindrical portion. An outward facing flange 3 is attached, and a heat-resistant protection tube 5 for reinforcing the tube portion is fitted to the tube portion immediately below the flange, and the intermediate material portion below the protection tube is inserted into the biaxially stretched bottle. A tubular intermediate material for forming biaxially stretched bottles, characterized by forming parts such as shoulders and bodies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16008181U JPS5864414U (en) | 1981-10-26 | 1981-10-26 | Tubular intermediate material for biaxially stretched bottle forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16008181U JPS5864414U (en) | 1981-10-26 | 1981-10-26 | Tubular intermediate material for biaxially stretched bottle forming |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5864414U JPS5864414U (en) | 1983-04-30 |
| JPS6142807Y2 true JPS6142807Y2 (en) | 1986-12-04 |
Family
ID=29952511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16008181U Granted JPS5864414U (en) | 1981-10-26 | 1981-10-26 | Tubular intermediate material for biaxially stretched bottle forming |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5864414U (en) |
-
1981
- 1981-10-26 JP JP16008181U patent/JPS5864414U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5864414U (en) | 1983-04-30 |
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