JP2022082505A - パッケージの製造方法 - Google Patents
パッケージの製造方法 Download PDFInfo
- Publication number
- JP2022082505A JP2022082505A JP2021181966A JP2021181966A JP2022082505A JP 2022082505 A JP2022082505 A JP 2022082505A JP 2021181966 A JP2021181966 A JP 2021181966A JP 2021181966 A JP2021181966 A JP 2021181966A JP 2022082505 A JP2022082505 A JP 2022082505A
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- JP
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- Prior art keywords
- section
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- 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
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Images
Classifications
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- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
- B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
- B29C65/221—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip
- B29C65/222—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip comprising at least a single heated wire
- B29C65/223—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip comprising at least a single heated wire comprising several heated wires
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- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
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- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C65/76—Making non-permanent or releasable joints
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/006—Preventing damaging, e.g. of the parts to be joined
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/347—General aspects dealing with the joint area or with the area to be joined using particular temperature distributions or gradients; using particular heat distributions or gradients
- B29C66/3472—General aspects dealing with the joint area or with the area to be joined using particular temperature distributions or gradients; using particular heat distributions or gradients in the plane of the joint, e.g. along the joint line in the plane of the joint or perpendicular to the joint line in the plane of the joint
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/53—Joining single elements to tubular articles, hollow articles or bars
- B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
- B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
- B29C66/53461—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat joining substantially flat covers and/or substantially flat bottoms to open ends of container bodies
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/84—Specific machine types or machines suitable for specific applications
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- B29C66/8432—Machines for making separate joints at the same time mounted in parallel or in series
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/80—General aspects of machine operations or constructions and parts thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29C66/90—Measuring or controlling the joining process
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- B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29C66/91311—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the heat or the thermal flux, i.e. the heat flux by measuring the heat generated by Joule heating or induction heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/91317—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the heat or the thermal flux, i.e. the heat flux by measuring the heat generated by Joule heating or induction heating by measuring the electrical resistance
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract
Description
(a)生成される継ぎ目を定義し、それに沿って、少なくとも1つの製品キャビティの周りの成形部品に蓋フィルムをシールする。
(b)生成される継ぎ目を、少なくとも第1のセクションおよび第2のセクションを含む複数のセクションに分割する。
(c)少なくとも当該複数のセクションのうちの第1のセクションについて、成形部品から蓋フィルムを引っ張るための第1の引き抜き力を決定する。
(d)第1のセクションの第1のシーリング温度および第2のセクションの第2のシーリング温度を有するシーリング装置によって、継ぎ目に沿って成形部品に蓋フィルムをシールする。ここで、第1のシーリング温度および第2のシーリング温度は異なり、少なくとも第1のセクションの第1のシーリング温度は、ステップ(c)に従って定義された第1の引き抜き力に基づいて選択される。
(b1)長さ、特に引き抜き方向の分離長さに対する参照パッケージの参照引き抜き力の変化を表す参照曲線を決定する。
(b2)該参照曲線に基づいて複数のセクションを決定し、それに応じて継ぎ目を複数のセクションに分割する。
(c1)参照引き抜き力が許容範囲外にある参照曲線の領域を定義する。
(c2)継ぎ目の複数のセクションのうち、参照引き抜き力が許容範囲外にある領域に対応するセクションを決定する。
(c3)ステップ(c2)に従って決定された継ぎ目のセクションについて、このセクションの引き抜き力が許容範囲内にあるように、引き抜き力を決定する。
Claims (17)
- 少なくとも一つの製品キャビティ(34)を有する成形部品(32)と、前記少なくとも一つの製品キャビティ―(34)を覆う蓋フィルム(36)と、を含むパッケージ(30)を製造する方法であって、
(a)前記蓋フィルム(36)が、前記少なくとも一つの製品キャビティ―(34)の周囲に、それに沿って前記成形部品(32)にシールされる継ぎ目(40)であって、生成すべき継ぎ目(40)を定義するステップと、
(b)前記生成すべき継ぎ目(40)を、複数のセクション(A1、A2、A3)のうちの少なくとも第1のセクション(A1)および第2のセクション(A2)を含む前記複数のセクション(A1、A2、A3)に分割するステップと、
(c)前記複数のセクション(A1、A2、A3)のうちの少なくとも前記第1のセクション(A1)について、前記形成部品(32)から前記蓋フィルム(36)を引き抜くための第1の引き抜き力(F)を決定するステップと、
(d)前記継ぎ目(40)に沿って、シーリング装置(2)を用いて、前記第1のセクション(A1)を第1のシーリング温度にし、前記第2のセクション(A2)を第2のシーリング温度にして、前記蓋フィルム(36)を前記形成部品(32)にシーリングするステップであって、前記第1のシーリング温度と前記第2のシーリング温度とが異なり、少なくとも前記第1のセクション(A1)における前記第1のシーリング温度は、ステップ(c)に従って決定される前記第1の引き抜き力(F)に基づいて選択されることを特徴とするステップと、を含む方法。 - ステップ(c)が、前記複数のセクション(A1、A2、A3)の各セクションについて、前記蓋フィルム(36)を前記形成部品(32)から引き抜くための引き抜き力(F)を決定することを含むことを特徴とする請求項1に記載の方法。
- ステップ(d)が、前記複数のセクション(A1、A2、A3)の各セクションについて、前記シーリング装置(2)のシーリング温度を設定することを含み、少なくとも前記第1のセクション(A1)の第1のシーリング温度が、ステップ(c)に従って決定される前記第1の引き抜き力(F)に基づいて設定されることを特徴とする請求項1に記載の方法。
- 前記蓋フィルム(36)は、前記形成部品(32)から、引き抜き方向(X)に引き抜かれ、前記第1のセクション(A1)および前記第2のセクション(A2)は、前記引き抜き方向(X)に前後に配置されていることを特徴とする請求項1に記載の方法。
- 前記複数のセクション(A1、A2、A3)は、前記第1のセクション(A1)、前記第2のセクション(A2)および第3のセクション(A3)を含み、
前記第1のセクションは、前記パッケージ(30)を開けるに際して、前記蓋フィルム(36)が最初に前記形成部品(32)から分離される必要がある、開封セクションであり、
前記第2のセクション(A2)は、前記第1および第3のセクション(A1、A3)の間に配置され、前記パッケージ(30)を開けるに際して、前記蓋フィルム(36)が前記引き抜き方向(X)に前記第1のセクション(A1)から前記第3セクション(A3)に向かって引き抜かれる必要がある引き抜きセクションであり、
前記第3のセクション(A3)は、前記第1および第2のセクション(A1、A2)の前記引き抜き方向(X)後部に配置され、前記蓋フィルム(36)が、前記パッケージ(30)を開ける間最も長時間にわたり前記成形部品(32)に接続されたままである端部セクション(43)であり、前記第3のセクション(A3)の第3のシーリング温度が前記第1のおよび/または前記第2のシーリング温度とは異なることを特徴とする請求項4に記載の方法。 - 前記第1のセクション(A1)の前記第1の引き抜き力(F)および/または前記第2のセクション(A2)の第2の引き抜き力(F)は、2Nと20Nの間であることを特徴とする請求項5に記載の方法。
- 前記第3のセクション(A3)の第3の引き抜き力(F)は、15Nより大きいことを特徴とする請求項5に記載の方法。
- ステップ(c)に従って少なくとも前記第1の引き抜き力(F)を決定することは、最大の第1の引き抜き力(Fmax)を定義するステップを含むことを特徴とする請求項1に記載の方法。
- ステップ(c)に従って少なくとも前記第1の引き抜き力(F)を決定することは、最小の引き抜き力(Fmin)を定義するステップを含むことを特徴とする請求項1に記載の方法。
- ステップ(c)に従って少なくとも前記第1の引き抜き力(F)を決定することは、前記第2のセクション(A2)の第2の引き抜き力(F)を決定するステップと、前記第2のセクション(A2)の最小の第2の引き抜き力(Fmin)を定義するステップと、をさらに含むことを特徴とする請求項9に記載の方法。
- ステップ(b)は、
前記引き抜き方向(X)における分離長さ(L)に対する参照パッケージ(30)の参照引き抜き力(F)の変化を表す参照曲線を決定するステップ(b1)と、
前記参照曲線に基づいて、前記複数のセクション(A1,A2,A3)を決定し、前記継ぎ目(40)を前記複数のセクション(A1,A2,A3)に応じて分割するステップ(b2)と、を含むことを特徴とする請求項1に記載の方法。 - ステップ(c)は、
前記参照引き抜き力(F)が前記許容範囲外にある前記参照曲線の領域を定義するステップ(c1)と、
前記継ぎ目(40)の前記複数のセクション(A1,A2,A3)のうちの前記第1のセクションであって前記参照引き抜き力(F)が許容範囲外にある領域に対応する前記第1のセクションを決定するステップ(c2)と、
前記第1のセクションの前記第1の引き抜き力(F)が前記許容範囲内にあるように、ステップ(c2)に従って決定された前記継ぎ目(40)の前記第1のセクションの前記第1の引き抜き力(F)を決定するステップ(c3)と、を含むことを特徴とする請求項11に記載の方法。 - 前記少なくとも1つの製品キャビティー(34)の周囲の前記継ぎ目(40)は、25mmと600mmの間の長さを有することを特徴とする請求項1に記載の方法。
- 前記シーリング装置(2)がシーリング輪郭(4)を含み、当該シーリング輪郭(4)は、複数のセグメント(28)に分割され、当該複数のセグメント(28)の少なくとも第1のセグメント(28a)が前記継ぎ目(40)の前記第1のセクション(A1)に割り当てられ、当該複数のセグメント(28)の少なくとも第2のセグメント(28b)が前記継ぎ目(40)の前記第2のセクション(A2)に割り当てられ、ステップ(d)は、 前記第1および第2のシーリング温度に従って前記複数のセグメント(28)を加熱するステップを含むことを特徴とする請求項1に記載の方法。
- 前記シーリング輪郭(4)の前記複数のセグメント(28)は、少なくとも4つのセグメント(28)を含むことを特徴とする請求項14に記載の方法。
- 前記シーリング装置(2)は、複数の加熱素子(22)を含み、前記複数の加熱素子(22)のうちの1つの加熱素子(22)が、前記複数のセグメント(28)の各セグメント(28a-28h)に割り当てられ、前記複数のセグメント(28)を加熱するステップは、前記複数の加熱素子(22)によって実行される請求項14に記載の方法。
- 前記継ぎ目(40)の前記複数のセクション(A1,A2,A3)のセクションは、互いに隣接して前記継ぎ目(40)に沿って連続的に配置され、ステップ(d)に従った前記シーリングは、前記少なくとも1つの製品キャビティ(34)の周りの継ぎ目(40)全体に沿って行われることを特徴とする請求項1に記載の方法。
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