JPS59115218A - 紙製容器の口部溶着方法 - Google Patents

紙製容器の口部溶着方法

Info

Publication number
JPS59115218A
JPS59115218A JP57219684A JP21968482A JPS59115218A JP S59115218 A JPS59115218 A JP S59115218A JP 57219684 A JP57219684 A JP 57219684A JP 21968482 A JP21968482 A JP 21968482A JP S59115218 A JPS59115218 A JP S59115218A
Authority
JP
Japan
Prior art keywords
paper container
flat part
ultrasonic oscillator
folded flat
paper
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
JP57219684A
Other languages
English (en)
Other versions
JPH0335179B2 (ja
Inventor
福島　庄次
隆 望月
加藤　元三郎
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 JP57219684A priority Critical patent/JPS59115218A/ja
Publication of JPS59115218A publication Critical patent/JPS59115218A/ja
Publication of JPH0335179B2 publication Critical patent/JPH0335179B2/ja
Granted 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
    • 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
    • B29C66/43122—Closing the top of gable top containers
    • 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
    • B29C66/80—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
    • 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
    • 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
    • B29C66/70—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
    • B29C66/73921—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 characterised by the materials of both parts being thermoplastics
    • 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
    • B29L2031/7166—Cartons of the fruit juice or milk type, i.e. containers of polygonal cross sections formed by folding blanks into a tubular body with end-closing or contents-supporting elements, e.g. gable type containers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (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】 本発明は内面を熱接着性合成樹脂膜によって被覆した紙
材よりなる紙製容器の口部に形成した折込扁平部と斜交
する方向に振動する超音波発振装置を形成し、前記超音
波発振装置の下端に形成した振動端子の押圧面に前記折
込扁平部を押圧する抑圧板を形成し、前記超音波発振装
置と前記抑圧板のいづれか一方または両者を前記折込扁
平部に対して進退させることを特徴とする紙製容器の口
部溶着装置に関するものであり、紙製容器の口部内面に
粉体、粘稠物等が付着していても容易且つ迅速に熱接着
し、内容物の漏洩を防止し、しかも紙材自体を加熱しな
いので、紙材の熱劣化がなく、強度の低下による変形を
生じないものである。
従来提供されている加熱封止体により加熱加圧して溶着
する場合、外層材が稍々厚手の紙材である場合、中間層
に金属箔が積層されている場合には内層の熱接着層を溶
融するために加熱封止体を高温にしなければならず、そ
のために加熱封止体に当接している紙材に熱劣化を生じ
、変形する欠点があり、また内層の熱接着層の表面に粉
体、粘稠物が付着している場合、熱接着が不十分となシ
、内容物の漏洩、熱接着部の剥離等の欠点があったが、
本発明者は種々実験研究の結果、このような欠点のない
本発明を得たのである。
以下本発明の実施例を第１図、第２図、第３図、第４図
、第５図について説明すると、円面を厚さ２０〜５０μ
のエチレン酢酸ビニル共重合体を１５〜３０重量％添加
したポリエチレン、ポリ塩化ビニルの如き熱接着性合成
樹脂膜１によって被覆した紙材寸たは前記の如き熱接着
性合成樹脂膜１の内面にアルミニウム箔２を中間層とし
て積層した紙材を適宜の成形手段によって底部３を封止
した角形筒状の紙製容器４の口部５に、紙製容器４に内
容物を充填後適宜の成形手段によって折込扁平部６に対
して１〜８９度好ましくは１０〜３０度斜交する方向に
振動する超音波発振装置７を支持杆８に支持腕９を介し
て回動自在に装着し、支持腕９に超音波発振装置７を回
動する回動装置ｌＯを形成するものであり、回動装置１
０は液圧、空気圧を導入し機枠Ａに固定されたシリンダ
１１、ピストン１２、連結杆１３とよシなり、ピストン
１２の摺動によって超音波発振装置７を支持杆８を中心
として回動するものであり、超音波発振装置７を発撮器
１４、増幅器１５、振動子１６、振動子抑え杆１７、ホ
ーン部１８、振動端子１９よりなり、振動端子１９の両
側に折込扁平部６と当接し、必要ならばマーク、ローレ
ット等を形成した抑圧面２０．２１を形成し、折込扁平
部６の撮動端子１９と反対側に当接する抑圧板２２を機
枠Ａに固定し、抑圧板２２の折込扁平部６と当接する面
に必要ならばマーク、ローレットを形成するものである
。図中２３は間欠移送される紙製容器４を轡定の部位に
案内する案内レールである。
本発明は前記の如き紙材の枚葉体を適宜の製袋機によっ
て底部３を封止し口部５開放の角形の紙製容器４を形成
し、内容物を所定量充容し、適宜の間欠移送装置によっ
て案内レール２３によって所定位置に移送される直前に
、回動装置１゜を作動し、超音波発振装置７を支持杆８
を中心として時計式方向に回動し、振動端子１９と押圧
板２２とを開広し、その間に紙製容器４の頂部の折込扁
平部６を挿入して後、回動装置１ｏを前記と反対方向即
ち反時計方向に回動し、振動端子１９の押圧面２０と押
圧板２２によって折込扁平部６を挟圧すると同時に超音
波発振装置７に通電し、振動端子１９の押圧面２０によ
って折込扁平部６の内部で当接している熱接着性合成樹
脂膜ＩＫ斜交する方向の超音波振動を加えると、折込扁
平部６の内部の熱接着性合成樹脂膜１は溶融し、互に接
着し、折込扁平部６を溶着封止するものである。折込扁
平部６を溶着封止すると同時に超音波発振装置７への通
電を遮断し、回動装置１０を作動し、超音波発振装置７
を回動して振動端子１９を折込扁平部６よシ退避させ、
口部を封止した紙製容器４を間欠移送装置によって移動
させると共に、新しい紙製容器４の折込扁平部６を振動
端子１９と押圧板２２との間に挿入し、前記の如き作動
を繰返し行なうものである。振動端子１９の押圧面２０
が摩耗した場合には、ホーン部１８を１８０度回転して
他の押圧面２１を適用するものである。
本発明の他の実施例を第６図について説明すると、第１
図に示す装置において支持腕９を支持杆８に固定するが
、あるいは回動装置１ｏを固定して超音波発振装置７を
回動することなく固定し、液圧、空気圧を導入し、機枠
Ａに固定したシリンダ２５内のピストン２６よシなる進
退装置２７の前ピストン２６に抑圧板２２を連結し、抑
圧板２２を進退するようにしたもので、押圧板２２を退
避して両者の間を開広し、前記実施例と同様に振動端子
１９の押圧面２ｏと押圧板２２との間に紙製容器４の上
端の折込扁平部６を挿入し、進退装置２７を作動して折
込扁平部６を振動端子１９の押圧面２０と押圧板２２と
によって挾圧し、超音波発振装置７に通成し、前記実施
例と同様にして折込扁平部６の内面を封止するものであ
る。前記実施列と同一符号は同一部位を示し、その作動
も同様のものである。
本発明の他の実施例を第７図について説明すると、前記
実施例の回動装置１ｏを支持腕９に形成し、前記実施例
の進退装置２７を抑圧板２１に形成したもので、振動端
子１９と押圧板２１とを夫々両側に退避し、両者の間を
開広し、紙製容器４の上部の折込扁平部６を挿入して後
、振動端子１９と押圧板２２とを前進させて折込扁平部
６を振動端子１９の押圧面２０と押圧板２２とによっｔ
挟圧し、超音波発振装置７に通電し、折込扁平部６に超
音波振動を加えて折込扁平部６の内面を封止するもので
ある。前記実施例と同一符号は同一部位を示し、その作
動も亦同様である。
本発明は内面を熱接着性合成樹脂膜によって被覆した紙
材よりなる紙製容器の口部に形成した折込扁平部と斜交
する方向に振動する超音波発振装置を形成し、前記超音
波発振装置の下端に形成した振動端子の押圧面に前記折
込扁平部を押圧する押圧板を形成し、前記超音波発振装
置と前記抑圧板のいづれか一方または両者を前記折込扁
平部に対して進退させることを特徴とする紙製容器の口
部溶着装置であり、紙製容器の口部内面に粉体、粘稠物
等の内容物が付着していても容易且迅速に強度の大きい
熱接着封止が可能であり、内容物の漏洩を防止し、しか
も紙材自体を加熱しないから、紙材の熱劣化が外く強度
の低下による変形を生じ々い封止した紙製容器が得られ
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図は振動端子の拡大
側面図、第３図は底面図、第４図、第５図は一部切除し
た紙製容器の斜視図、第６図、第７図は二種の他の実施
例の一部切除した側面図である。 １・・・熱接着性合成樹脂膜、　　４・・・紙製容器、
５・・・口部、　　６・・・折込扁平部、　　７・・・
超音波発振装置、　１０・・・回動装置、　１９・・・
振動端子、２０、２１・・・押圧面、　２２・・・押圧
板、　２７・・・進退装置 出願人　ポーラ化成工業株式会社 第１ｊ月 ′１日 ｉ’ｉｉ　４九　　　　　　第５ｎ

Claims (4)

    【特許請求の範囲】
  1. （１）内面を熱接着性合成樹脂膜によって被覆した紙材
    よりなる紙製容器の口部に形成した折込扁平部と斜交す
    る方向に振動する超音波発振装置を形成し、前記超音波
    発振装置の下端に形成した振動端子の抑圧面に前記折込
    扁平部を押圧する抑圧板を形成し、前記超音波発振装置
    と前記抑圧板のいづれか一方または両者を前記折込扁平
    部に対して進退させることを特徴とする紙製容器の口部
    溶着装置。
  2. （２）　　前記超音波発振装置を回動自在に形成し、前
    記超音波発振装置を同動する回動装置を形成することを
    特徴とする特許請求の範囲第１項記載の紙製容器の口部
    溶着装置。
  3. （３）前記抑圧板を進退自在に形成し、前記抑圧板は進
    退する進退装置を形成することを特徴とする特許請求の
    範囲第１項記載の紙製容器の口部溶着装置。
  4. （４）　　前記超音波発振装置を回動自在に形成し、前
    記超音波発振装置を回動する回動装置を形成し、前記抑
    圧板を進退自在に形成し、前記抑圧板を進退する進退装
    置を形成することを特徴とする特許請求の範囲第１項記
    載の紙製容器の口部溶着装置。
JP57219684A 1982-12-15 1982-12-15 紙製容器の口部溶着方法 Granted JPS59115218A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57219684A JPS59115218A (ja) 1982-12-15 1982-12-15 紙製容器の口部溶着方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57219684A JPS59115218A (ja) 1982-12-15 1982-12-15 紙製容器の口部溶着方法

Publications (2)

Publication Number Publication Date
JPS59115218A true JPS59115218A (ja) 1984-07-03
JPH0335179B2 JPH0335179B2 (ja) 1991-05-27

Family

ID=16739346

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57219684A Granted JPS59115218A (ja) 1982-12-15 1982-12-15 紙製容器の口部溶着方法

Country Status (1)

Country Link
JP (1) JPS59115218A (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5566909U (ja) * 1978-10-30 1980-05-08

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5566909U (ja) * 1978-10-30 1980-05-08

Also Published As

Publication number Publication date
JPH0335179B2 (ja) 1991-05-27

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