JPH03240632A - ブリスターパックの製造方法 - Google Patents

ブリスターパックの製造方法

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Publication number
JPH03240632A
JPH03240632A JP2027206A JP2720690A JPH03240632A JP H03240632 A JPH03240632 A JP H03240632A JP 2027206 A JP2027206 A JP 2027206A JP 2720690 A JP2720690 A JP 2720690A JP H03240632 A JPH03240632 A JP H03240632A
Authority
JP
Japan
Prior art keywords
blister pack
thickness
receiving stand
blade
welding
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
Application number
JP2027206A
Other languages
English (en)
Other versions
JP2938113B2 (ja
Inventor
Tadao Takagaki
高垣　忠夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Bakelite Co Ltd
Original Assignee
Sumitomo Bakelite Co Ltd
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Filing date
Publication date
Application filed by Sumitomo Bakelite Co Ltd filed Critical Sumitomo Bakelite Co Ltd
Priority to JP2027206A priority Critical patent/JP2938113B2/ja
Publication of JPH03240632A publication Critical patent/JPH03240632A/ja
Application granted granted Critical
Publication of JP2938113B2 publication Critical patent/JP2938113B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • B29C65/743—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc
    • B29C65/7443—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc by means of ultrasonic vibrations
    • 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
    • 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
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • 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
    • 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
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • 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
    • 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
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81413—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being non-symmetrical
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81415—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled
    • 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
    • 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
    • B29C66/71—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 composition of the plastics material of the parts to be joined
    • 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
    • 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
    • B29C66/739—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 characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—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 characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81421—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave
    • B29C66/81423—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave being concave
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7162—Boxes, cartons, cases
    • B29L2031/7164—Blister packages

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing Of Containers (AREA)
  • Package Closures (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、透明なブリスターパックの製造方法に関する
ものであり、溶着と同時に溶断し、なおかつ溶着中を出
来るだけ小さくしたブリスターパックの製造方法に関す
るものである。
〔従来の技術〕
従来からブリスターパック形式の包装においては、成形
された表部材と裏部材とを、接合部、いわゆるフランジ
部で溶着又は接着してブリスターパンクとなす方法や、
裏部材のフランジ部を折り曲げ加工し、表部材の７ラン
ノ部をはさみ込むススライドブリスター形式のものがあ
る。しかしながら、最近は、溶着又は接着部分のフラン
ジ部の塊 巾を極力小さくし、かつ封備性の良いブリスターパック
形式が強く要望されて来ている。
表部材と裏部材とをフランジ部で溶着又は接着する方法
としては、ヒートシールにより溶接する方法、接着剤を
用いて接着する方法がとられて来ている。これ等の方法
によるものは、溶着又は接着する工程と、接合部を一部
残して刃により打ち抜く工程とに別れており、しかも打
ち抜き刃で打ち抜く工程において精度管理を厳しくしな
ければならず、非常に手間のかかるものとなって来てい
る。
更に接着剤を用いたものは接着剤臭が残ることが生し、
内容物によっては、接着剤系は用いることができない場
合が多い。
これ以外の方法では、最近に高周波を用いて、溶着と同
時に溶断するといった方法も提案されているが、この高
周波を用いる方法は、列形状をした電極を用いてｌ容着
、溶断するものであり、溶着、溶断時にスパークを起し
やすく、その都度、刃先を清浄しなければならず、危険
であると同時に、醜 溶着、溶断面の仕上り状態も悪く、しかも封犠性も安定
したものが得られていないのが現状である。
〔発明が解決しようとする課題］ 本発明は超音波を用いることによって、接合部株゛ の巾を小さく抑え、しかも安定した封繊性をもたせたブ
リスターパックを溶着・溶断を同時に行う慎 ことにより、美麗で封織性の優れ、しかも開封時にスム
ースに開封することのできるブリスターパックの製造方
法を提案するにある。
〔課題を解決するための手段〕
本発明は、ブリスターパックにおいて成形された表部材
と裏部材とを超音波により溶着、溶断する方法を種々検
討を重ねた結果、超音波ホーンの受け金側の列形形状を
片刃形状とし、刃形形状部の厚みＴと接合部との厚みＬ
との比率Ｔ／ｔが０゜５〜１０の範囲の列形形状を有し
、しかも、列形形状が、接合する部分から溶断する部分
に向けてなだらかなテーパー状又は曲線状の形状を有し
、更に、受け台の刃先の高さｔ、はｔに対してｔ〉ｔと
なる受け台を用いて、超音波による溶着、溶断を同時に
行うことが一番優れた方法であることを見い出し本発明
を完成させたものである。
〔作用及び実施例］ 図により、本発明をさらに説明する。
第１図は本発明によって得られたブリスターパックのｌ
断面を示すものであり、透明のプラスチックで成形され
た表部材２は、パックされる内容物形状により、種々変
えられるが、そのうちの１例を示したものである。表部
材２と裏部材３とが接合部４を介し溶着されている。第
２図に接合部４の拡大図を示す。第２図において表部材
２と裏部材３とは５の部分で溶着されており、その溶断
面は６の形状となっている。
第３図は、第２図における溶着、溶断をする為の工程の
概略を示す図である。ブリスターパック本体（表部材２
）と蓋となる裏部材３とを同時に供給し、超音波ホーン
８を受け台７に、超音波を発信させながら押圧し、溶着
と同時に溶断を行う。
ブリスターパックに用いられる材料は、表部材としては
透明性を有するプラスチックであれば、どの様な種類の
ものでもよく、ブリスターパックの機能を発揮できるも
のであればすべて用いることができる。
例えば、成形された形状での保形性が必要とされる場合
には硬質塩化ビニル、ポリスチロール、ポリカーボネー
ト等から成形されたものが用いられ、特に必要とあれば
、ガスノ＼リア性等を付与した複合性からなるものも用
いられる。更に、ハム、ソーセージ等の包装用に軟質系
の成形品を用いることも可能である。
又、用いられる裏部材としては、印刷されたプラスチッ
ク成形品又は平面状の板状体等を用いることも又は紙、
繊維からはるものも用いることができ、表部材となる透
明なプラスチック部材と超音波によって溶着でき得る材
質のものはすべて用いることができる。
特に表部材と裏部材との接合面が同種のプラスチックで
あれば溶着面が極く小さな巾であっても充分に溶着させ
ることができる。
更には超音波を用いることにより異種材料とを種々に組
み合せることにより、パッケージ効果を高めることが可
能である。
本発明において用いる超音波ホーンの受け台部の列形形
状は第４図に示す形状での列形形状であることか必要で
あり、第４図（ａ）に示す様なテーバ状の月形形状にお
いては刃先に向ってｌ０〜６０度の角度を有す様な形状
であることが望ましく、又第４図（ｂｌに示す形状にあ
っては、刃先部に向って０〜３０度程の角度を有し、徐
々に立ち上り、刃先部に達する曲線状の形状であること
が望ましい。
又受け台の厚みＴは、溶着する面の巾に影響を与えるも
ので巾が大きすぎれば、当初の目的とする極小の溶着面
の巾を得ることが出来ず、更にあまり小さすぎれば、充
分な溶着強さを得ることができず、受け台の厚さＴは、
接合面における表部材と裏部材の真の厚み合計りに対し
ての比率（Ｔ／１）が０．５〜１０であることが肝要で
ある。Ｔ／ｔが０，５以下であれば、充分な溶着強さが
得られず、又、月形形状の受け台の強度も弱くなってし
まい破ｔｆｉしてしまうという恐れがある。又Ｔ／ｔが
１０以上であれば、溶着部分のフランジの巾が大となっ
てしまい、商品価値を低下させてしまう。
又、刃先の高さり、は、１＞１．の関係にあることが必
要であり、ＬｌがＬと同等及至はそれ以上であれば溶着
強さが弱くなり、安定した封緘性を得ることが出来ない
。
以上の様な月形形状の受け台上に透明のプラスチンク成
形品からなる表部材と裏部材を重ね、その上から超音波
ホーンにより溶着、溶断とを同時に行う。
尚、超音波による溶着、溶断する条件としては、用いる
材質によって異なるが、例えば、表部材、裏部材ともに
硬質塩ビニルシートからなる場合は表部材シート厚み０
．３ｍ＋、裏部材シート厚み０．１５胴、受台列中１．
　Ｏｗｒ、刃幅斜角１５°ストレート品を用い、超音波
処理条件は、出力２ＫＷ（使用エネルギー５５Ｊ）、溶
着、溶断時間０．３　ｓ　ｅ　ｃ、ホールド（冷却）時
間１．Ｑｓｅｃ、加圧力３５０ｋｐａ、／ｉ：込み高さ
量０．２　ｍｍであり、表部ｔ／ｔｔ　０゜３ｒｗｌが
硬質塩化ビニルと接着剤をコートとした合成紙ｔｏ、４
ｍの裏部材の場合には出力２ＫＷ（使用エネルギー４４
Ｊ）ホールド時間１．０ｓｅｃ、加圧力４３０にρａ、
沈み込高さ０．３５　ｔｒｍの様な条件で表部材と裏部
材とを溶着と同時に溶断することが出来る。
〔発明の効果］ 本発明により得られるブリスターパックは、接合部（フ
ランジ部）の飛び出し部を非常に小さくすることが可能
、商品価値を高めることができ、溶着と溶断が同時に一
工程ででき、更に刃先部のケアーも非常に容易にするこ
とが出来る上に、例えば、接合部上に水滴、油滴等の汚
れや、固形物の汚れが多少付着した状態であっても、超
音波振動を与えることにより、これらの汚れを除去出来
、非常に安定した完全な封緘性を得ることが出来る。
更に、開封時には、溶着面の巾を非常に小さくしている
為に易開封性となっており、パッケージソゲされた内容
物の保護性にもすぐれ、しかも内容物を取り出し易いブ
リスターパッケージを得ることが出来る。
【図面の簡単な説明】
第１図は本発明によって得られたブリスターパックの断
面図である。第２図は接合部（フランジ部）の拡大図、
第３図はフランジ部の溶着、溶断の工程を示す図、第４
図は受け台の月形形状の例を示す図である。 ｔ・・・・・・・・・表部材と裏部材の■の厚みｔｌ・
・・・・・受け台刃形形状部の刃先の高さＴ・・・・・
・・・・受け台の厚さ

Claims (1)

    【特許請求の範囲】
  1. （１）透明なプラスチックを成形して得られる表部材２
    と成形された或いは平面状の裏部材３から構成されるブ
    リスターパックにおいて、表部材２と裏部材３との接合
    部４を、ブリスターパック側より、なだらかなテーパー
    状１０又は曲線状１１の刃先９を有する受け台７であっ
    て、該受け台７の厚みＴが、表部材２と裏部材３の接合
    部４における厚みｔに対して、Ｔ／ｔが０．５〜１０で
    あり、且つ受け台７の刃先の高さｔ＿１はｔに対して、
    ｔ＿１＞ｔである受け台７を用い、超音波により、表部
    材２と裏部材３とを溶着させると同時に接合部４を溶断
    させるブリスターパックの製造方法。
JP2027206A 1990-02-08 1990-02-08 ブリスターパックの製造方法 Expired - Lifetime JP2938113B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2027206A JP2938113B2 (ja) 1990-02-08 1990-02-08 ブリスターパックの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2027206A JP2938113B2 (ja) 1990-02-08 1990-02-08 ブリスターパックの製造方法

Publications (2)

Publication Number Publication Date
JPH03240632A true JPH03240632A (ja) 1991-10-28
JP2938113B2 JP2938113B2 (ja) 1999-08-23

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Country Status (1)

Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003104084A1 (es) * 2002-06-05 2003-12-18 Xavier Miret Gayet Dispositivo de cierre de envases de material plastico
WO2015107484A1 (en) * 2014-01-17 2015-07-23 I.M.A. Industria Macchine Automatiche S.P.A. Ultrasound device for sealing and cutting

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003104084A1 (es) * 2002-06-05 2003-12-18 Xavier Miret Gayet Dispositivo de cierre de envases de material plastico
ES2224790A1 (es) * 2002-06-05 2005-03-01 Xavier Miret Gayet Dispositivo de cierre de envases de material plastico.
WO2015107484A1 (en) * 2014-01-17 2015-07-23 I.M.A. Industria Macchine Automatiche S.P.A. Ultrasound device for sealing and cutting
JP2017509549A (ja) * 2014-01-17 2017-04-06 イ．エンメ．ア．インドゥストリア マッキーネ アウトマティケ ソチエタ ペル アツィオニ 超音波封止・切断装置

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