JPH10309750A - 容器及びその口部並びに口部の溶着方法及びその溶着金型 - Google Patents

容器及びその口部並びに口部の溶着方法及びその溶着金型

Info

Publication number
JPH10309750A
JPH10309750A JP13750797A JP13750797A JPH10309750A JP H10309750 A JPH10309750 A JP H10309750A JP 13750797 A JP13750797 A JP 13750797A JP 13750797 A JP13750797 A JP 13750797A JP H10309750 A JPH10309750 A JP H10309750A
Authority
JP
Japan
Prior art keywords
welding
welded
cap member
mold
welding surface
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
Application number
JP13750797A
Other languages
English (en)
Inventor
Kensho Shirahama
憲昭 白濱
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.)
SB Kawasumi Laboratories Inc
Original Assignee
Kawasumi Laboratories Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kawasumi Laboratories Inc filed Critical Kawasumi Laboratories Inc
Priority to JP13750797A priority Critical patent/JPH10309750A/ja
Publication of JPH10309750A publication Critical patent/JPH10309750A/ja
Pending 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • 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
    • 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
    • B29C65/7441—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 for making welds and cuts of other than simple rectilinear form
    • 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
    • B29C66/11—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
    • B29C66/114—Single butt 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
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
    • 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
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
    • B29C66/242—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours
    • B29C66/2422—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical
    • B29C66/24221—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical being circular
    • 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
    • B29C66/83—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
    • 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
    • B29C65/82—Testing the joint
    • B29C65/8207—Testing the joint by mechanical methods
    • 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
    • B29C65/82—Testing the joint
    • B29C65/8207—Testing the joint by mechanical methods
    • B29C65/8223—Peel tests
    • 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
    • B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/024—Thermal pre-treatments
    • B29C66/0242—Heating, or preheating, e.g. drying
    • 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
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/06—PVC, i.e. polyvinylchloride

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing Of Containers (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

(57)【要約】 【課題】 高圧蒸気滅菌などの外部からの刺激を受けて
も溶着形状を保持することができる口部を提供するこ
と。 【解決手段】 被溶着体の上部に蓋部材１１を熱溶着
し、溶着部１２の一部に溶着強度の強い溶着部１３を形
成した口部７。

Description

【発明の詳細な説明】
【０００１】
【発明の属する技術分野】本発明は容器の口部と口部の
溶着金型及び口部の溶着方法の改良に関する。
【０００２】
【従来技術及び発明が解決しようとする課題】プラスチ
ック製の被溶着体をプラスチック製フィルムで加熱溶着
する場合、金型温度、溶着時間等の溶着条件により、溶
着強度を調節している。しかし、例えばポリ塩化ビニル
など素材によっては至適剥離溶着条件と不適剥離溶着条
件とが著しく近く、至適剥離溶着条件より少し弱い条件
で溶着した時、高圧蒸気滅菌などにより外部からの刺激
を受けると溶着したフィルムが脱離することがあった
（後述する比較例１参照）。また至適剥離溶着条件より
強い条件で溶着した時、フィルムの剥離強度が著しく強
くなることがあった（後述する比較例２参照）。このた
め高圧蒸気滅菌などの外部刺激に対応できかつ至適な剥
離強度を保持する方法が望まれていた。そこで本発明者
は鋭意検討を重ねた結果次の発明に到達した。
【０００３】［１］本発明は本体２の下部に溶着面３を
形成し、該溶着面３に重なるように突起部４を形成し
た、溶着金型１を提供する。 ［２］本発明は被溶着体と前記［１］記載の口部７の溶
着面３及び突起部４の間に蓋部材１１をはさんで熱溶着
し、溶着部１２の一部に溶着強度の強い溶着部１３を形
成する口部７の溶着方法を提供する。 ［３］本発明は被溶着体の上部に蓋部材１１を熱溶着
し、溶着部１２の一部に溶着強度の強い溶着部１３を形
成した、口部７を提供する。 ［４］本発明は本体６に前記［３］記載の口部７を装着
した、容器５を提供する。
【０００４】
【発明の実施の形態】図１は本発明の溶着金型１の概略
図で、図２は図１の底面図である。溶着金型１は本体２
の下部に環状の溶着面３を形成し、該溶着面３に重なる
ように複数の突起部４が所定の間隔をおいて形成されて
いる。図２では突起部４は六個形成されているが突起部
４は少なくとも二個以上あれば良い。また突起部４の後
述する蓋部材１１との接触面の形状は円状、矩形状、複
数の点状のいずれでも良い。さらに突起部４の長さは蓋
部材１１を構成する合成樹脂製フィルムの厚さ（５０μ
ｍ〜１ｍｍのものが使用される）に応じて０．０５ｍｍ
から０．３ｍｍに形成するのが良い。
【０００５】次に溶着金型１を用いた口部７の溶着方法
について説明する。図３に示すように被溶着体（口部７
を構成する栓体押え１０）と溶着金型１の下部の溶着面
３及び突起部４の間に合成樹脂製のフィルムからなる蓋
部材１１をはさんで、予熱工程（蓋部材１１と被溶着体
の表面を溶融する）を経て加熱工程（蓋部材１１と被溶
着体を加圧加熱して溶着する）により溶着する。図４は
口部７を被溶着体の上部に溶着した後の平面図で、環状
の溶着部１２に重なるように複数の間隔をおいて溶着強
度の強い溶着部１３が形成されている。
【０００６】
【実施例】
〈実施例１〉ポリ塩化ビニル製被溶着体にポリ塩化ビニ
ル製フィルムよりなる蓋部材を本発明の溶着金型を用い
て、被溶着体の表面を溶かす予熱工程１８０℃・５秒、
加熱工程１８０℃・５秒、溶着幅１ｍｍで溶着した後１
２１℃・２０分の条件で高圧蒸気滅菌を行い、滅菌後の
剥離強度をロードセル引っ張り試験機を用いて測定し
た。その結果を表１に示す。表１の結果より高圧蒸気滅
菌に耐えかつ至適な剥離強度を保持することが確認でき
た。 〈比較例１〉ポリ塩化ビニル製被溶着体ポリ塩化ビニル
製フィルムよりなる蓋部材を突起部のない溶着金型を用
いて、被溶着体の表面を溶かす余熱工程１８０℃・５
秒、加熱工程１８０℃・４秒、溶着幅１ｍｍで溶着した
後１２１℃・２０分の条件で高圧蒸気滅菌を行い、滅菌
後の剥離強度をロードセル引っ張り試験機を用いて測定
した。その結果を表２に示す。表２の結果より一部に蓋
部材の脱離が確認された。 〈比較例２〉ポリ塩化ビニル製被溶着体ポリ塩化ビニル
製フィルムよりなる蓋部材を突起部のない溶着金型を用
いて、被溶着体の表面を溶かす余熱工程１８０℃・５
秒、加熱工程１８０℃・６秒、溶着幅１ｍｍで溶着した
後１２１℃・２０分の条件で高圧蒸気滅菌を行い、滅菌
後の剥離強度をロードセル引っ張り試験機を用いて測定
した。その結果を表３に示す。表３の結果より蓋部材の
剥離強度が著しく強くなっていることが確認された。
【０００７】
【発明の効果】口部７の溶着部１２に部分的に溶着強度
の強い溶着部を形成することができ、強く溶着しなくて
も高圧蒸気滅菌などの外部からの刺激を受けても溶着形
状を保持しかつ至適な剥離強度を保持することができる
ようになった。
【図面の簡単な説明】
【図１】本発明の溶着金型の概略図
【図２】図１の底面図
【図３】口部の溶着方法を示す概略図
【図４】溶着終了後の口部の平面図
【符号の説明】 １ 溶着金型 ２ 溶着金型の本体 ３ 溶着面 ４ 突起部 ５ 容器 ６ 容器本体 ７ 口部 ９ 栓体 １０ 栓体押え １１ 蓋部材 １２ 溶着部 １３ 溶着強度の強い溶着部

Claims (4)

    【特許請求の範囲】
  1. 【請求項１】本体２の下部に溶着面３を形成し、該溶着
    面３に重なるように突起部４を形成した、ことを特徴と
    する溶着金型１。
  2. 【請求項２】被溶着体と請求項１記載の口部７の溶着面
    ３及び突起部４の間に蓋部材１１をはさんで熱溶着し、
    溶着部１２の一部に溶着強度の強い溶着部１３を形成す
    ることを特徴とする口部７の溶着方法。
  3. 【請求項３】被溶着体の上部に蓋部材１１を熱溶着し、
    溶着部１２の一部に溶着強度の強い溶着部１３を形成し
    た、ことを特徴とする口部７。
  4. 【請求項４】本体６に請求項３記載の口部７を装着し
    た、ことを特徴とする容器５。
JP13750797A 1997-05-13 1997-05-13 容器及びその口部並びに口部の溶着方法及びその溶着金型 Pending JPH10309750A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13750797A JPH10309750A (ja) 1997-05-13 1997-05-13 容器及びその口部並びに口部の溶着方法及びその溶着金型

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13750797A JPH10309750A (ja) 1997-05-13 1997-05-13 容器及びその口部並びに口部の溶着方法及びその溶着金型

Publications (1)

Publication Number Publication Date
JPH10309750A true JPH10309750A (ja) 1998-11-24

Family

ID=15200292

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1380409A3 (de) * 2002-07-10 2004-09-22 HERMA GmbH Etikettenbahn, und Verfahren zu ihrer Herstellung
JP2007161336A (ja) * 2005-12-16 2007-06-28 Fp Corp 容器用ヒートシール装置
CN105496785A (zh) * 2016-01-27 2016-04-20 温州医科大学 基于环形蒸气管路和环形加热轨道的中药煎药机

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1380409A3 (de) * 2002-07-10 2004-09-22 HERMA GmbH Etikettenbahn, und Verfahren zu ihrer Herstellung
JP2007161336A (ja) * 2005-12-16 2007-06-28 Fp Corp 容器用ヒートシール装置
CN105496785A (zh) * 2016-01-27 2016-04-20 温州医科大学 基于环形蒸气管路和环形加热轨道的中药煎药机
CN105496785B (zh) * 2016-01-27 2018-11-23 温州医科大学 基于环形蒸气管路和环形加热轨道的中药煎药机

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