JPS646938B2 - - Google Patents

Info

Publication number
JPS646938B2
JPS646938B2 JP57087765A JP8776582A JPS646938B2 JP S646938 B2 JPS646938 B2 JP S646938B2 JP 57087765 A JP57087765 A JP 57087765A JP 8776582 A JP8776582 A JP 8776582A JP S646938 B2 JPS646938 B2 JP S646938B2
Authority
JP
Japan
Prior art keywords
tube
shaped container
flat part
welding
terminal
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
Application number
JP57087765A
Other languages
English (en)
Other versions
JPS58205723A (ja
Inventor
Shoji Fukushima
Genzaburo Kato
Takashi Mochizuki
Yukio Wada
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.)
Pola Orbis Holdings Inc
Original Assignee
Pola Chemical Industries 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 Pola Chemical Industries Inc filed Critical Pola Chemical Industries Inc
Priority to JP57087765A priority Critical patent/JPS58205723A/ja
Priority to DE19823229076 priority patent/DE3229076A1/de
Priority to FR8213690A priority patent/FR2510937B1/fr
Priority to GB08222887A priority patent/GB2105647B/en
Publication of JPS58205723A publication Critical patent/JPS58205723A/ja
Priority to US06/762,820 priority patent/US4681645A/en
Publication of JPS646938B2 publication Critical patent/JPS646938B2/ja
Granted legal-status Critical Current

Links

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
    • 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
    • B29C66/81433—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 being toothed, i.e. comprising several teeth or pins, or being patterned
    • 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
    • B29C65/02—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
    • B29C65/081—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations having a component of vibration not perpendicular to the welding surface
    • 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
    • B29C66/1122—Single lap to lap joints, i.e. overlap 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
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B29C66/43121—Closing the ends of tubular or hollow single articles, e.g. closing the ends of bags
    • B29C66/43123—Closing the ends of squeeze tubes, e.g. for toothpaste or cosmetics
    • 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
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/822—Transmission mechanisms
    • B29C66/8221—Scissor or lever mechanisms, i.e. involving a pivot point
    • 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
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/824—Actuating mechanisms
    • B29C66/8242—Pneumatic or hydraulic drives
    • 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
    • B29C66/8324—Joining or pressing tools pivoting around 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
    • 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
    • B29C66/81419—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 and flat
    • 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
    • B29L2023/00—Tubular articles
    • B29L2023/20—Flexible squeeze tubes, e.g. for cosmetics

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Description

【発明の詳細な説明】 本発明は口部を下方とした合成樹脂製のチユー
ブ状容器の長さ方向と斜交する方向に振動する超
音波発振装置を形成し、前記チユーブ状容器の扁
平部を形成する案内を支持台に形成し、前記支持
台上に進退する押圧板を形成し、前記超音波発振
装置の振動端子と前記押圧板との間に前記扁平部
を揮脱する昇降装置を形成し、前記案内の前記振
動端子側の上端縁と対向する凹溝を前記振動端子
の端面に形成することを特徴とするチユーブ状容
器の底部溶着装置に関するものであり、チユーブ
状容器の底部を溶着するに当つて扁平部を短かく
し、チユーブ状容器内の残存空気を殆んどなく
し、内容物の酸化を防止すると共に、内容物を充
填したチユーブ状容器を短かくすることができ、
資材費を軽減することができるものである。
従来、超音波振動による合成樹脂製のチユーブ
状容器の底部溶着は溶着面に直交して超音波振動
を加える方法と溶着面に平行して超音波振動を加
える方法とがあり、前者においては溶着面に内容
物が付着していると、溶着が不可能か、あるいは
溶着強度が弱く実用に供し得ないものであり、ま
た溶着部の合成樹脂の粉末、粒子を飛散し、内容
物に混入し、内容物の品質を劣化する等の欠点が
あり、また後者においては溶着部の外面にばりを
生じ、商品価値を低下し、また溶着時に不快な摩
擦音を生じ作業環境を悪化すると共に、溶着作業
時間が長く、生産性が低い等の欠点があり、さら
に底部の溶着に当つて案内より長く突出した扁平
部の先端を溶着するために、三角形状部内に空気
が残存し、内容物を酸化変質することがあり、ま
た資材を必要以上に使用する等の欠点があつた
が、本発明者は種々実験研究の結果、これらの欠
点のない本発明を得たのである。
以下本発明の実施例を図面について説明する
と、内容物を充填し、口部１を下方とした合成樹
脂製のチユーブ状容器２の長さ方向に対して１〜
89度好ましくは10〜30度斜交している超音波発生
装置３を支持杆４に支持腕５を介して回動自在に
して左右に摺動する装着し、超音波発振装置３を
発振器６、増幅器７、振動子８、振動子抑え杆
９、振動端子１０、ホーン部１３等より構成し、
振動端子１０の左右の側面の押圧面１１，１２に
はチユーブ状容器２の底部溶着部にマーク、ロー
レツトを形成するマーク３０、ローレツト３１を
形成するものであり、適宜の手段によつて支持さ
れた支持台１４上に固定した油圧シリンダ、空気
シリンダ、カム等の押圧装置１５の押圧杆１６の
先端に押圧板１７を固着し、支持台１４にチユー
ブ状容器２の底部に扁平部１８を形成する矩形状
の透孔１９を有する下向き傘状の案内２０を形成
し、チユーブ状容器２を昇降する昇降装置２１を
形成し、該昇降装置２１は油圧シリンダ、空気シ
リンダ、カム等よりなり、昇降装置２１によつて
昇降する昇降杆２２の上端にチユーブ状容器２の
肩部２ａを挾持する支承部２３を形成し、案内２
０の振動端子１０側の上端縁２０ａと対向する凹
溝２４を振動端子１０の端面に形成したものであ
る。
上記のように構成した本発明は押圧装置１５を
作動して押圧杆１６と押圧板１７とを進退させる
と共に、昇降装置２１を作動して昇降杆２２と支
承部２３とを引下げ、支承部２３に内容物を充填
した合成樹脂製のチユーブ状容器２の肩部２ａを
挿入支承して後、昇降装置２１を作動して昇降杆
２２と支承部２３を上昇すると、チユーブ状容器
２の円筒状底部は下向き傘状の案内２０に案内さ
れて順次扁平となり、矩形状の透孔１９より突出
し、突出した扁平部１８の上端と押圧板１７の上
縁とが一致したときに、昇降装置２１の上昇作動
を停止すると共に、押圧装置１５を作動して押圧
杆１６と押圧板１７とを前進させてチユーブ状容
器２の扁平部１８の先端部を超音波発振装置３の
振動端子１０の押圧面１１に圧接し、次で超音波
発振装置３の発振器６に通電して、振動端子１０
の押圧面１１と押圧板１７とによつて挾持されて
いる扁平部１８に、扁平部１８と斜交する方向の
超音波振動が加えられ、扁平部１８の内面を溶着
すると共に、扁平部１８の外面にマーク３０、ロ
ーレツト３１が転写されるものである。尚、押圧
板１７の扁平部１８と当接する面にマーク、ロー
レツトを形成しておけば、このマーク、ローレツ
トも転写されるものである。
本発明は口部１を下方とした合成樹脂製のチユ
ーブ状容器２の長さ方向と斜交する方向に振動す
る超音波発振装置３を形成し、チユーブ状容器２
の扁平部１８を形成する案内２０を支持台１４に
形成し、支持台１４上に進退する押圧板１７を形
成し、超音波発振装置３の振動端子１０と押圧板
１７との間に扁平部１８を挿脱する昇降装置２１
を形成し、案内２０の振動端子１０側の上端縁２
０ａと対向する凹溝２４を振動端子１０の端面に
形成してなるものであり、振動端子１０の押圧面
１１と押圧板１７とによつて押圧されているチユ
ーブ状容器２の底部に形成された扁平部１８に、
この扁平部１８と斜交する方向の超音波振動を加
えて扁平部１８の内面を溶着するものであり、溶
着時に超音波振動による扁平部１８を構成する合
成樹脂の粉末、粒子の飛散がなく、これらの内容
物への混入がなく品質の低下を生じないものであ
り、また扁平部１８の内面に内容物が付着してい
ても溶着に支障を与えず溶着強度の大きい溶着が
得られ、溶着部の外面にばりを生ずることなく美
麗な押圧面が得られ、溶着時間も短かく生産性が
高く、しかも溶着時に不快な摩擦音の発生が殆ん
どなく作業環境の良好なものであり、さらに振動
端子１０の端面に形成した凹溝２４によつて振動
端子１０を案内２０の上端縁２０ａに近接するこ
とができ、案内２０の透孔１９より扁平部１８を
溶着幅だけ突出すればよく、扁平部１８が短か
く、チユーブ状容器２内の残存空気を殆んどなく
すことができ内容物の酸化を防止すると共に、内
容物を充填したチユーブ状容器を短かくすること
ができ、資材費を軽減することができるものであ
り、さらにまた、振動端子１０の押圧面１１が摩
耗した場合には振動子８を増幅器７より外し、
180度位相を変えて増幅器７に固着すると、扁平
部１８と当接することなく摩耗していない押圧面
１２を適用することとなり、振動子８を長期に亘
つて良好な状態で使用し得られるものである。
【図面の簡単な説明】
第１図は一部切除した側面図、第２図は支持台
の部分拡大平面図、第３図は振動端子の拡大側面
図、第４図は底面図である。 １……口部、２……チユーブ容器、３……超音
波発振装置、１０……振動端子、１４……支持
台、１７……押圧板、１８……扁平部、２０……
案内、２０ａ……上端縁、２１……昇降装置、２
４……凹溝。

Claims (1)

    【特許請求の範囲】
  1. １ 口部を下方とした合成樹脂製のチユーブ状容
    器の長さ方向と斜交する方向に振動する超音波発
    振装置を形成し、前記チユーブ状容器の扁平部を
    形成する案内を支持台に形成し、前記支持台上に
    進退する押圧板を形成し、前記超音波発振装置の
    振動端子と前記押圧板との間に前記扁平部を揮脱
    する昇降装置を形成し、前記案内の前記振動端子
    側の上端縁と対向する凹溝を前記振動端子の端面
    に形成することを特徴とするチユーブ状容器の底
    部溶着装置。
JP57087765A 1981-08-07 1982-05-24 チユ−ブ状容器の底部溶着装置 Granted JPS58205723A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP57087765A JPS58205723A (ja) 1982-05-24 1982-05-24 チユ−ブ状容器の底部溶着装置
DE19823229076 DE3229076A1 (de) 1981-08-07 1982-08-04 Verfahren und vorrichtung zum verschweissen des bodens eines rohrfoermigen behaelters aus kunstharz
FR8213690A FR2510937B1 (fr) 1981-08-07 1982-08-05 Procede et appareil de jonction par fusion du fond d'un recipient tubulaire en resine synthetique
GB08222887A GB2105647B (en) 1981-08-07 1982-08-09 Method and apparatus for sealing edges of a container
US06/762,820 US4681645A (en) 1981-08-07 1985-08-05 Method and apparatus for fusing together the bottom of tubular container formed of synthetic resin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57087765A JPS58205723A (ja) 1982-05-24 1982-05-24 チユ−ブ状容器の底部溶着装置

Publications (2)

Publication Number Publication Date
JPS58205723A JPS58205723A (ja) 1983-11-30
JPS646938B2 true JPS646938B2 (ja) 1989-02-07

Family

ID=13924052

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57087765A Granted JPS58205723A (ja) 1981-08-07 1982-05-24 チユ−ブ状容器の底部溶着装置

Country Status (1)

Country Link
JP (1) JPS58205723A (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4767492A (en) * 1986-04-18 1988-08-30 Pola Chemical Industries, Inc. Ultrasonic fuse-bonding sealing apparatus with improved contact surfaces

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Publication number Publication date
JPS58205723A (ja) 1983-11-30

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