JPS6216814B2 - - Google Patents

Info

Publication number
JPS6216814B2
JPS6216814B2 JP57182639A JP18263982A JPS6216814B2 JP S6216814 B2 JPS6216814 B2 JP S6216814B2 JP 57182639 A JP57182639 A JP 57182639A JP 18263982 A JP18263982 A JP 18263982A JP S6216814 B2 JPS6216814 B2 JP S6216814B2
Authority
JP
Japan
Prior art keywords
cardboard
vibrator
thermoplastic resin
corrugated
sheet
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
JP57182639A
Other languages
English (en)
Other versions
JPS5971817A (ja
Inventor
Osamu Suzuki
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.)
SANEIGUMI KK
Original Assignee
SANEIGUMI KK
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 SANEIGUMI KK filed Critical SANEIGUMI KK
Priority to JP57182639A priority Critical patent/JPS5971817A/ja
Publication of JPS5971817A publication Critical patent/JPS5971817A/ja
Publication of JPS6216814B2 publication Critical patent/JPS6216814B2/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
    • 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
    • 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
    • B29C66/01—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
    • B29C66/40—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
    • 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
    • B29C66/72—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 structure of the material of the parts to be joined
    • B29C66/725—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 structure of the material of the parts to be joined being hollow-walled or honeycombs
    • B29C66/7252—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 structure of the material of the parts to be joined being hollow-walled or honeycombs hollow-walled
    • B29C66/72521—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 structure of the material of the parts to be joined being hollow-walled or honeycombs hollow-walled comprising corrugated cores
    • 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
    • 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
    • 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene
    • 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
    • B29L2024/00—Articles with hollow walls
    • B29L2024/003—Articles with hollow walls comprising corrugated cores

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Description

【発明の詳細な説明】 この発明は熱可塑性樹脂製段ボールを接合する
方法に関する。
ポリプロピレンやポリエチレンなどの熱可塑性
樹脂製段ボール（以下単に段ボールと称する）
は、耐久性、耐水性などがすぐれているため包装
用資材等に多く用いられるようになつた。この段
ボールにより通い箱や仕切などを組立てる場合
は、接着剤により接着は困難であるので、一般に
ワイヤーステツチヤにより組立がおこなわれてい
る。ところがこの組立品を再溶解して再生しよう
とする場合に、金属製のワイヤーステツチがある
ため再生が困難であり、やむを得ず焼却や埋立て
により処分されることが多く、処理がめんどうで
あるうえ省資源上も好ましくなかつた。また金属
製のワイヤーステツチにより被包装物の表面に傷
がつきやすかつた。
この発明は上記従来の欠点を解消するもので、
段ボール以外の材料を使用せずに段ボールを接合
することができ、段ボールの再生が容易である熱
可塑性樹脂製段ボールの接合方法を提供しようと
するものである。
以下図面によりこの発明の一実施例を説明す
る。
図中、１はポリエチレンやポリプロピレンなど
の熱可塑性樹脂製の段ボールで、上側シート２ａ
と下側シート３ａの間に、隔壁４ａと５ａからな
る芯材を配設して成る。隔壁４ａは上側シート２
ａの下面に一体に垂設され、隔壁５ａは下側シー
ト３ｂの上面に一体に立設され、平行な多数の隔
壁４ａとこれに斜めに交差する形で配設された平
行な多数の隔壁５ａとは、段ボール１の全厚の中
心付近で先端縁部が互に網の目状に多数の交点６
で接合して一枚の段ボール１を形成している。下
側の段ボール７も段ボール１と同じ構造のもの
で、相当部分に添符号ｂを付して図示してある。
なお段ボール１と７は１枚の段ボールの異なる端
部であつてもよいし、２枚の別の段ボールであつ
てもよい。また８は超音波加熱溶接装置の振動
子、９は平板状の受圧台である。
次に本発明方法により段ボールを接合するに
は、先ず第１図ａに示すように受圧台９上に段ボ
ール１と７の接合部を重ね合せて載置し、振動子
８に超音波振動を与えて段ボールの接合部上に圧
接する。振動子８の発する超音波エネルギを吸収
して振動子直下部の段ボール１と７の各部が局部
的に軟化溶融し、それに伴つて振動子８は段ボー
ル内へ進入する。各隔壁が軟化して座屈し、第１
図ｂに示すように上側の段ボール１の上側シート
２ａと下側の段ボール７の下側シート３ｂの間
を、他のシート部分および隔壁の樹脂の軟化溶融
部１０が連結する状態に達したら、振動子８を引
上げて段ボールから離脱させ、放冷すれば軟化溶
融部１０は10秒以下の短時間で固化し、段ボール
１と７の接合は完了するのである。
上記において接合に要する振動子８の圧接、加
振時間および加圧力は段ボールの各部肉厚にもよ
るが、全厚５mmの段ボールを先端面積100mm2の振
動子で接合する場合、加圧力：４Kg、所要時間：
2secで良好な接合状態が得られた。
上記実施例により得られた接合部は、下側段ボ
ール７の下面がほぼ平面状を呈しているので、こ
の下面を箱の外面等とすれば外観のすぐれた接合
箱が得られる。
第３図はこの発明の他の実施例を示すもので、
受圧台９に振動子８に対する凸部１１を形成した
点のみが、第１図の実施例と異なり、得られる接
合部は第３図ｂに示すように下側の段ボール７の
下面にも凹部が形成され、軟化溶融部１０が段ボ
ールの重ね合せ面付近に形成されるが、接合の手
順は第１図の実施例と同様であるので詳細な説明
は省略する。
上記各実施例において、振動子８は先端面が矩
形状をなすなど上記以外の形状の振動子を用いて
もよい。またこの発明は上記以外の構造の芯材を
有する各種の熱可塑性樹脂製段ボールの接合にも
適用されるものである。
以上説明したようにこの発明によれば、熱可塑
性樹脂製段ボールを接合用の金属片などを一切用
いることなく迅速に接合することができ、段ボー
ルの再生が容易で省資源に寄与するところ大であ
る。また包装用段ボールの接合に用いる場合、接
合部にワイヤーステツチなどの硬質の突出物がな
いので、被包装物の表面に傷がつくことが少な
い。
【図面の簡単な説明】
第１図はこの発明の一実施例を示す接合工程説
明（縦断面）図、第２図は同じく一部切欠平面
図、第３図はこの発明の他の実施例を示す第１図
相当図である。 １……段ボール、２ａ……上側シート、３ｂ…
…下側シート、７……段ボール、８……振動子、
９……受圧台、１０……軟化溶融部、１１……凸
部。

Claims (1)

    【特許請求の範囲】
  1. １ 受圧台上に熱可塑性樹脂製段ボールの接合部
    を重ね合せて載置し、該重ね合せ部分に超音波加
    熱溶接装置の振動子を圧接して、該振動子の超音
    波エネルギによつて上記段ボールを局部的に軟化
    溶融させつつ上記振動子を上記段ボール内へ進入
    させ、上側の段ボールの上側シートと下側の段ボ
    ールの下側シートとの間を連結する樹脂の軟化溶
    融部を形成させたのち上記振動子を引上げ、上記
    軟化溶融部を固化させることを特徴とする熱可塑
    性樹脂製段ボールの接合方法。
JP57182639A 1982-10-18 1982-10-18 熱可塑性樹脂製段ボ−ルの接合方法 Granted JPS5971817A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57182639A JPS5971817A (ja) 1982-10-18 1982-10-18 熱可塑性樹脂製段ボ−ルの接合方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57182639A JPS5971817A (ja) 1982-10-18 1982-10-18 熱可塑性樹脂製段ボ−ルの接合方法

Publications (2)

Publication Number Publication Date
JPS5971817A JPS5971817A (ja) 1984-04-23
JPS6216814B2 true JPS6216814B2 (ja) 1987-04-14

Family

ID=16121810

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57182639A Granted JPS5971817A (ja) 1982-10-18 1982-10-18 熱可塑性樹脂製段ボ−ルの接合方法

Country Status (1)

Country Link
JP (1) JPS5971817A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007106123A (ja) * 2005-06-13 2007-04-26 Techno Seiki:Kk プラスチック製ダンボールの溶着装置及びプラスチック製ダンボール製品の製造方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100467394B1 (ko) * 1995-11-14 2005-06-23 유니테크 코포레이션 리미티드 합성수지제중공보드의융착방법및그방법에의해얻어지는중공보드
EP0805016B1 (en) * 1995-11-14 2003-01-22 Kishimoto Sangyo Co., Ltd. Method of fusing a hollow board of synthetic resin
JP4799121B2 (ja) * 2005-10-17 2011-10-26 宇部日東化成株式会社 複合板材端部のシール方法、並びに該方法によって形成された複合板材と箱状体
JP4842168B2 (ja) * 2007-02-08 2011-12-21 ムネカタ株式会社 プラスチック段ボールの溶着方法及びこの溶着方法に用いられるヒートチップ
JP5421073B2 (ja) * 2009-11-10 2014-02-19 川上産業株式会社 合成樹脂シートのシール加工方法、袋の製造方法、シール加工装置、及び袋製造設備

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007106123A (ja) * 2005-06-13 2007-04-26 Techno Seiki:Kk プラスチック製ダンボールの溶着装置及びプラスチック製ダンボール製品の製造方法

Also Published As

Publication number Publication date
JPS5971817A (ja) 1984-04-23

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