JPH0465216A - Device for adjusting temperature of preform - Google Patents
Device for adjusting temperature of preformInfo
- Publication number
- JPH0465216A JPH0465216A JP2179198A JP17919890A JPH0465216A JP H0465216 A JPH0465216 A JP H0465216A JP 2179198 A JP2179198 A JP 2179198A JP 17919890 A JP17919890 A JP 17919890A JP H0465216 A JPH0465216 A JP H0465216A
- Authority
- JP
- Japan
- Prior art keywords
- preform
- temperature
- cylindrical body
- temperature control
- block
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000000071 blow moulding Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 125000006850 spacer group Chemical group 0.000 description 7
- 238000001746 injection moulding Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 235000015203 fruit juice Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010959 steel Substances 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
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/64—Heating or cooling preforms, parisons or blown articles
- B29C49/6409—Thermal conditioning of preforms
- B29C49/6436—Thermal conditioning of preforms characterised by temperature differential
- B29C49/6445—Thermal conditioning of preforms characterised by temperature differential through the preform length
-
- 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
-
- 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
- B29C49/64—Heating or cooling preforms, parisons or blown articles
- B29C49/68—Ovens specially adapted for heating preforms or parisons
- B29C49/681—Ovens specially adapted for heating preforms or parisons using a conditioning receptacle, e.g. a cavity, e.g. having heated or cooled regions
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、プラスチック予備成形体を射出成形した後、
延伸ブロー成形に供する前に、その温度を調節する装置
に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention provides a method for injection molding a plastic preform,
The present invention relates to a device for adjusting the temperature of stretch blow molding before subjecting it to stretch blow molding.
〔従来の技術及び発明が解決しようとする課題〕炭酸飲
料や果汁飲料等を封入するボトル等のプラスチック製容
器は、ポリエチレンテレフタレート等の耐熱変形性に優
れたプラスチック材料を射出成形した後、二軸延伸ブロ
ー成形して製造される。[Prior art and problems to be solved by the invention] Plastic containers such as bottles for enclosing carbonated drinks and fruit juice drinks are manufactured by injection molding plastic materials with excellent heat deformation resistance such as polyethylene terephthalate, and then Manufactured by stretch blow molding.
第４図に示すように、射出成形後、延伸ブロー成形に供
する前の、いわゆるパリソンと称する予備成形体２の形
状は、口部４と底部８とそれらを連結する胴部６とから
なる有底円筒状である。１８は、射出成形の際のゲート
に形成されたへそ部分である。As shown in FIG. 4, the shape of the preformed body 2, called a parison, after injection molding and before being subjected to stretch blow molding, is composed of a mouth part 4, a bottom part 8, and a body part 6 connecting them. The bottom is cylindrical. 18 is a navel portion formed in the gate during injection molding.
この予備成形体２を二軸延伸ブロー成形するには、例え
ば特開昭５７−１１７９２９号で開示されているような
方法で、延伸ロッドて底部８を縦方向に突き押しすると
同時に、高温の加圧エアをロッド内から吹き出して、胴
部６を周方向に延伸する。その際、一般に各部位の延伸
度は異なるので、部位に応じて延伸ブローに最適な温度
に調節する必要かある。In order to biaxially stretch blow mold this preformed body 2, for example, the bottom part 8 is pushed vertically with a stretching rod and at the same time heated at high temperature. Compressed air is blown out from inside the rod to stretch the body 6 in the circumferential direction. At this time, since the degree of stretching is generally different for each part, it is necessary to adjust the temperature to the optimum temperature for stretch blowing depending on the part.
従って射出成形後、延伸ブロー成形に供する前に、上述
のように口部４、胴部６、底部８等の各部位に温度差が
生じるように、例えば特開昭６３−１８９２２５号に示
されるような方法で、温調型内に予備成形体２を設置し
て温度調節している。Therefore, after injection molding and before subjecting it to stretch blow molding, it is necessary to create a temperature difference between the mouth part 4, the body part 6, the bottom part 8, etc. In this way, the temperature is controlled by placing the preform 2 in a temperature control mold.
その際に予備成形体の外側の温度を調節するには、第３
図に示すように、予備成形体２の外側を複数の温調ブロ
ックｌで隙間がないように囲み、冷却通路ＩＩの中に水
、油等の冷却媒体を流すことによって、予備成形体２０
部位に応じてその外側の温度を調節している。なお、７
．７゛ は上下の押え板であり、また、上下の温調ブロ
ック１どうしが横にずれないように、ブロック間に環状
のスペーサ９を挿入している。At this time, in order to adjust the temperature outside the preform, a third
As shown in the figure, by surrounding the outside of the preform 2 with a plurality of temperature control blocks l without any gaps, and by flowing a cooling medium such as water or oil into the cooling passage II, the preform 2
The outside temperature is adjusted depending on the area. In addition, 7
．． Reference numeral 7' indicates upper and lower holding plates, and an annular spacer 9 is inserted between the upper and lower temperature control blocks 1 to prevent them from shifting laterally.
このような従来の温調装置においては、個々の温調ブロ
ック１の内周形状は予備成形体２の外側の輪郭に合うよ
うに製作されているので、予備成形体２の形状や寸法が
変われば、各温調ブロック１の形状も変更しなければな
らない。従って、そのつと温調ブロックを製作し直さな
ければならず、面倒であるばかりでなく、コスト高とな
っている。In such a conventional temperature control device, the inner peripheral shape of each temperature control block 1 is manufactured to match the outer contour of the preform 2, so the shape and dimensions of the preform 2 do not change. For example, the shape of each temperature control block 1 must also be changed. Therefore, it is necessary to remanufacture the temperature control block each time, which is not only troublesome but also increases costs.
また、予備成形体２の形状が同じであっても、その温度
分布を変えようとする場合も、やはり各温調ブロック１
の高さを変更しなければならない。Furthermore, even if the shape of the preformed body 2 is the same, when trying to change its temperature distribution, each temperature control block 1
height must be changed.
また、温調ブロック１が予備成形体２に直接接触するの
で、温調ブロックの芯出しか不正確だと温調ブロックど
うしの接合部に段差ができてしまい、予備成形体２を傷
つけてしまう。そのため、温調ブロック１とスペーサ９
の加工を極めて精密に行わなければならないという問題
もある。Furthermore, since the temperature control block 1 comes into direct contact with the preform 2, if the centering of the temperature control block is inaccurate, a step will be created at the joint between the temperature control blocks, which will damage the preform 2. . Therefore, temperature control block 1 and spacer 9
There is also the problem that the processing must be carried out with extreme precision.
さらにまた、予備成形体２は外周面をテーパにしている
ものが多く、その場合、温調ブロック１は上下を逆転し
ないように組み付けなければならない。Furthermore, many of the preforms 2 have tapered outer peripheral surfaces, and in that case, the temperature control block 1 must be assembled so as not to be upside down.
このように、従来の温調装置には多くの問題点があった
。As described above, conventional temperature control devices have many problems.
従って本発明の目的は、種々の寸法の予備成形体に対し
て適用す、ることができて、また予備成形体の温度分布
を容易に変更することかでき、さらに装置自体の製造コ
ストを低くすることのできる温度調節装置を提供するこ
とである。Therefore, an object of the present invention is to be able to apply it to preforms of various sizes, to easily change the temperature distribution of the preform, and to reduce the manufacturing cost of the device itself. It is an object of the present invention to provide a temperature control device that can perform the following steps.
上記課題に鑑み鋭意研究の結果、本発明者は、積層した
複数の温調ブロックと予備成形体の間に円筒体を配設し
、予備成形体の外周面と円筒体の内周面が密接し、また
円筒体の外周面と温調ブロックの内周面か密接するよう
に設定することによって、予備成形体の温度調節装置を
汎用性の高いものにすることができることを発見し、本
発明を完成した。In view of the above problems, as a result of intensive research, the inventors of the present invention disposed a cylindrical body between a plurality of laminated temperature control blocks and a preform, so that the outer circumferential surface of the preform and the inner circumferential surface of the cylindrical body were in close contact with each other. They also discovered that by setting the outer circumferential surface of the cylindrical body and the inner circumferential surface of the temperature control block to be in close contact with each other, the temperature control device for the preform can be made highly versatile, and the present invention has been made. completed.
すなわちプラスチック予備成形体の温度を調節するため
の本発明の装置は、有底円筒状に射出成形された前記予
備成形体の外面に一致する輪郭のキャビティと一定の径
の外周面を存する円筒体と、前記円筒体の周囲に嵌めら
れて積層された複数の温調ブロックとを有し、前記温調
ブロックの各々の温度を個別的に調節することにより、
前記円筒体内の前記予備成形体の各部位の温度を調節す
ることかできることを特徴とする。That is, the apparatus of the present invention for regulating the temperature of a plastic preform is a cylindrical body injection molded into a bottomed cylindrical shape and having a cavity whose contour matches the outer surface of the preform and an outer peripheral surface of a constant diameter. and a plurality of temperature control blocks fitted around the cylindrical body and stacked, and by individually adjusting the temperature of each of the temperature control blocks,
It is characterized in that the temperature of each part of the preform inside the cylindrical body can be adjusted.
積層した温調ブロックの各々の温度を個別的に調節する
ことによって、円筒体を介して熱が予備成形体に伝えら
れる。それによって、後工程の延伸ブロー成形における
予備成形体の各部位の延伸度に応じた最適な温度分布か
、予備成形体に与えられる。By individually adjusting the temperature of each of the stacked temperature control blocks, heat is transferred to the preform via the cylinder. As a result, the preform is provided with an optimum temperature distribution according to the degree of stretching of each part of the preform in the subsequent stretch blow molding process.
以下、本発明の実施例を、図面を参照して説明する。 Embodiments of the present invention will be described below with reference to the drawings.
第１図に本発明の一実施例による温度調節装置を示す。FIG. 1 shows a temperature control device according to an embodiment of the present invention.
第３図に示す従来の装置と同一の部分には、同一の参照
符号を付している。有底円筒状に射出成形された予備成
形体２は、円筒体１３の中に挿入されている。円筒体１
３の壁は薄く、熱伝導性の良い金属からなる。１５は、
予備成形体２のへそ部分１８を挿入するための孔で、貫
通孔にすれば、加工が容易である。円筒体１３のキャビ
ティの輪郭は予備成形体２の外面と一致し、両者はほぼ
隙間なく嵌め合わされる。The same parts as in the conventional device shown in FIG. 3 are given the same reference numerals. The preformed body 2 injection-molded into a bottomed cylindrical shape is inserted into the cylindrical body 13. Cylindrical body 1
The walls of 3 are thin and made of metal with good thermal conductivity. 15 is
This is a hole for inserting the navel portion 18 of the preform 2, and if it is a through hole, processing is easy. The outline of the cavity of the cylindrical body 13 matches the outer surface of the preform 2, and the two are fitted together with almost no gap.
円筒体１３の周囲には、円筒体１３に嵌め込むようにし
て複数個（本実施例では６個）の温調ブロック１が積層
されている。円筒体１３の外周径は上から下まで一定で
あり、従って温調ブロック１の内周径も一定である。さ
らに、各々の温調ブロック１の高さも同一にすれば、製
造コストを低くすることができる。A plurality of (six in this embodiment) temperature control blocks 1 are stacked around the cylindrical body 13 so as to be fitted into the cylindrical body 13. The outer diameter of the cylindrical body 13 is constant from top to bottom, and therefore the inner diameter of the temperature control block 1 is also constant. Furthermore, by making the height of each temperature control block 1 the same, manufacturing costs can be reduced.
９はスペーサであり、隣り合う温調ブロック１どうしの
熱を遮断して、円筒体面上の熱分布を良好にするととも
に、予備成形体２の長さや必要な熱分布に応じて温調ブ
ロック１の間隔を変えるために、温調ブロック１の間に
挿入する。また、７．７′は上下の押え板である。9 is a spacer which blocks heat between adjacent temperature control blocks 1 and improves heat distribution on the cylindrical body surface, and also allows temperature control blocks 1 to be separated according to the length of the preform 2 and required heat distribution. It is inserted between the temperature control blocks 1 in order to change the interval between the temperature control blocks 1. Further, 7.7' indicates upper and lower press plates.
温調ブロック１の内部に形成した通路１１の中に水、油
等の熱媒体（加熱用、冷却用のいずれでもよい）を流す
か、あるいはヒータ、熱伝素子等を内蔵することによっ
て、個々の温調ブロック１の温度を調節する。温調ブロ
ック１の熱は円筒体１３を介して予備成形体２に伝えら
れる。それによって、後工程の延伸ブロー成形における
予備成形体２の各部位の延伸度に応じた温度分布を予備
成形体２に与える。By flowing a heat medium such as water or oil (either for heating or cooling) into the passage 11 formed inside the temperature control block 1, or by incorporating a heater, heat conductive element, etc. The temperature of the temperature control block 1 is adjusted. The heat of the temperature control block 1 is transferred to the preform 2 via the cylindrical body 13. Thereby, a temperature distribution is given to the preform 2 according to the degree of stretching of each part of the preform 2 in the post-step stretch blow molding.
なお、予備成形体２の内側と外側で温度差を作る必要か
ある場合には、温度調節中に成形体２の内側だけを加熱
又は冷却すればよい。そのためには、第２図に示すよう
に、予備成形体２の口部をリップ塁】４で把持して、加
熱ピース１７を備えたロッドヒータ１６を予備成形体２
の内部空間に挿入し、予備成形体２の内側の温度を調節
する。その場合、リップ型１４と予備成形体２と温調ブ
ロック１を同軸的に正確に配置するために、芯出しリン
グ３を用いる。また、リップ型１４の熱か温調ブロック
１に伝わらないようにするために、断熱スペーサ５を配
設するのか好ましい。なお、温調ブロック１と円筒体１
３の作用効果は、第１図で示した実施例と同様である。In addition, if it is necessary to create a temperature difference between the inside and outside of the preformed body 2, it is sufficient to heat or cool only the inside of the formed body 2 during temperature adjustment. To do this, as shown in FIG.
is inserted into the internal space of the preform 2, and the temperature inside the preform 2 is adjusted. In that case, a centering ring 3 is used to coaxially and accurately arrange the lip mold 14, preform 2, and temperature control block 1. Further, in order to prevent the heat of the lip mold 14 from being transmitted to the temperature control block 1, it is preferable to provide a heat insulating spacer 5. In addition, the temperature control block 1 and the cylindrical body 1
The effects of No. 3 are similar to those of the embodiment shown in FIG.
本発明を以下の実施例により、さらに具体的に説明する
。The present invention will be explained in more detail with reference to the following examples.
実施例１
口部を除いた長さが１２０ｍｍで、胴部の肉厚か約３、
７ｍｍのポリエチレンテレフタレート製の予備成形体の
温度調節を行った。予備成形体は射出成形直後のものを
用い、全体の表面温度が１２０°Ｃてあった。Example 1 The length excluding the mouth is 120 mm, and the wall thickness of the body is approximately 3 mm.
The temperature of a 7 mm polyethylene terephthalate preform was controlled. The preform was used immediately after injection molding, and the overall surface temperature was 120°C.
壁の厚さか３ｍｍの鉄製円筒体の中に予備成形体を挿入
した。次いで、円筒体の回りに、高さ１５ｍｍ、外径９
０ｍｍ、内径４０ｍｍの環状の温調ブロックを６個積層
し、各々の温調ブロックの中に油を５分間流した。The preform was inserted into a steel cylinder with a wall thickness of approximately 3 mm. Next, around the cylindrical body, a height of 15 mm and an outer diameter of 9
Six annular temperature control blocks each having a diameter of 0 mm and an inner diameter of 40 mm were stacked, and oil was flowed into each temperature control block for 5 minutes.
それによって、温調ブロックの温度を上から８０．７０
．６５．６０．７０．８０°Ｃに設定した。その結果、
予備成形体の外表面の温度は、各々の温調ブロックに対
応する位置で上から１１０．９５．９５．９４．１０５
．１１５℃となった。By doing so, the temperature of the temperature control block is set to 80.70 from the top.
．． The temperature was set at 65, 60, 70, and 80°C. the result,
The temperature of the outer surface of the preform is 110.95.95.94.105 from the top at the position corresponding to each temperature control block.
．． The temperature reached 115°C.
この予備成形体を延伸ブロー成形したところ、胴部肉厚
が０．３４ｍｍと一定で、偏肉のないボトルか得られた
。When this preform was stretch blow molded, a bottle with a constant body wall thickness of 0.34 mm and no uneven thickness was obtained.
本発明の装置は以下のような多くの効果を奏する。 The device of the present invention has many effects as described below.
予備成形体の形状や寸法が変わった場合、円筒体の内周
面の形状を変更するだけて済む。また、全ての温調ブロ
ックを同し寸法で製作することかできる。従って、装置
の製造コストか低減される。When the shape and dimensions of the preform are changed, it is only necessary to change the shape of the inner peripheral surface of the cylindrical body. Additionally, all temperature control blocks can be manufactured with the same dimensions. Therefore, the manufacturing cost of the device is reduced.
予備成形体に与える温度分布を変えたい場合は、円筒体
を変えることなく、スペーサの厚さ、あるいは温調ブロ
ックの数や厚さ等を変更することによって最適な温度分
布を得ることかできる。If it is desired to change the temperature distribution given to the preform, the optimum temperature distribution can be obtained by changing the thickness of the spacer, or the number and thickness of temperature control blocks, etc., without changing the cylindrical body.
また装置を組み立てる際、温調ブロックを円筒体の回り
に嵌め込むようにして積層するので、温調ブロックを上
下逆にしても差し支えない。従って、装置の組立てか容
易である。Furthermore, when assembling the device, the temperature control blocks are stacked so as to be fitted around the cylindrical body, so there is no problem even if the temperature control blocks are turned upside down. Therefore, the assembly of the device is easy.
第１図は本発明の一実施例による温度調節装置を示す断
面図であり、
第２図は本発明の他の実施例による温度調節装置を示す
断面図であり、
第３図は従来の温度調節装置を示す断面図であり、
第４図は予備成形体の断面図である。
１ ・・温調ブロック
２・・・予備成形体
３・・・芯出しリング
５・・・断熱スペーサ
７．７゛ ・・・押え板
９・・・スペーサ
１１・・・通路
１３・・・円筒体
１４・・・リップ型
１６・・・ロッドヒータFIG. 1 is a sectional view showing a temperature control device according to an embodiment of the present invention, FIG. 2 is a sectional view showing a temperature control device according to another embodiment of the present invention, and FIG. 3 is a sectional view showing a temperature control device according to another embodiment of the present invention. FIG. 4 is a cross-sectional view of the adjustment device; FIG. 4 is a cross-sectional view of the preform. 1... Temperature control block 2... Preformed body 3... Centering ring 5... Heat insulating spacer 7.7゛... Holding plate 9... Spacer 11... Passage 13... Cylinder Body 14...Lip type 16...Rod heater
Claims (1)
の温度を調節する装置において、前記予備成形体の外面
に一致する輪郭のキャビティと一定の径の外周面を有す
る円筒体と、前記円筒体の周囲に嵌められて積層された
複数の温調ブロックとを有し、前記温調ブロックの各々
の温度を個別的に調節することにより、前記円筒体内の
前記予備成形体の各部位の温度を調節することができる
ことを特徴とする予備成形体の温度調節装置。An apparatus for adjusting the temperature of a plastic preform injection molded into a bottomed cylindrical shape, comprising: a cylindrical body having a cavity whose contour matches the outer surface of the preform and an outer peripheral surface of a constant diameter; and a plurality of temperature control blocks that are fitted around and stacked, and by individually adjusting the temperature of each of the temperature control blocks, the temperature of each part of the preform inside the cylindrical body is adjusted. 1. A temperature control device for a preformed body, characterized in that it is capable of:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2179198A JPH0465216A (en) | 1990-07-06 | 1990-07-06 | Device for adjusting temperature of preform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2179198A JPH0465216A (en) | 1990-07-06 | 1990-07-06 | Device for adjusting temperature of preform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0465216A true JPH0465216A (en) | 1992-03-02 |
Family
ID=16061647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2179198A Pending JPH0465216A (en) | 1990-07-06 | 1990-07-06 | Device for adjusting temperature of preform |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0465216A (en) |
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| ITRM20100535A1 (en) * | 2010-10-12 | 2012-04-13 | Sipa Progettazione Automaz | PREFORM HEATING DEVICE IN THERMOPLASTIC MATERIAL |
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-
1990
- 1990-07-06 JP JP2179198A patent/JPH0465216A/en active Pending
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| ITRM20100535A1 (en) * | 2010-10-12 | 2012-04-13 | Sipa Progettazione Automaz | PREFORM HEATING DEVICE IN THERMOPLASTIC MATERIAL |
| WO2012049635A1 (en) * | 2010-10-12 | 2012-04-19 | S.I.P.A. Societa' Industrializzazione Progettazione E Automazione S.P.A. | Heating device for a preform made of thermoplastic material |
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| JP2013539723A (en) * | 2010-10-12 | 2013-10-28 | エス．アイ．ピー．エイ．ソシエタ’インダストリアリザッジオーネ プロゲッタジオーネ エ オートマジオーネ ソシエタ ペル アチオニ | Heating device for preforms manufactured from thermoplastics |
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| CN104010794A (en) * | 2011-12-23 | 2014-08-27 | 西德尔合作公司 | Mould for forming containers, equipped with an electric heating system comprising a set of distinct resistive elements |
| CN104010794B (en) * | 2011-12-23 | 2016-08-24 | 西德尔合作公司 | It is equipped with the mould for container formation of the electric heating system including one group of difference resistive element |
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| CN113613861A (en) * | 2019-01-31 | 2021-11-05 | 日精Asb机械株式会社 | Apparatus and method for producing resin container |
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