JP2550664B2 - 背貼りシール方法 - Google Patents

背貼りシール方法

Info

Publication number
JP2550664B2
JP2550664B2 JP14135888A JP14135888A JP2550664B2 JP 2550664 B2 JP2550664 B2 JP 2550664B2 JP 14135888 A JP14135888 A JP 14135888A JP 14135888 A JP14135888 A JP 14135888A JP 2550664 B2 JP2550664 B2 JP 2550664B2
Authority
JP
Japan
Prior art keywords
film
core
flat
former
superposed
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 - Fee Related
Application number
JP14135888A
Other languages
English (en)
Other versions
JPH01310934A (ja
Inventor
孝夫 山田
幹夫 田中
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.)
Mitsubishi Plastics Inc
Original Assignee
Mitsubishi Plastics 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 Mitsubishi Plastics Inc filed Critical Mitsubishi Plastics Inc
Priority to JP14135888A priority Critical patent/JP2550664B2/ja
Publication of JPH01310934A publication Critical patent/JPH01310934A/ja
Application granted granted Critical
Publication of JP2550664B2 publication Critical patent/JP2550664B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B29C66/01—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
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16—Laser beams
    • B29C65/1629—Laser beams characterised by the way of heating the interface
    • B29C65/1654—Laser beams characterised by the way of heating the interface scanning at least one of the parts to be joined
    • B29C65/1658—Laser beams characterised by the way of heating the interface scanning at least one of the parts to be joined scanning once, e.g. contour laser 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
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4322—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
    • 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
    • B29C66/49—Internally supporting the, e.g. tubular, article during joining
    • 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
    • B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table
    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/36—Bending and joining, e.g. for making hollow articles
    • B29C53/38—Bending and joining, e.g. for making hollow articles by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges
    • B29C53/48—Bending and joining, e.g. for making hollow articles by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges for articles of indefinite length, i.e. bending a strip progressively
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16—Laser beams
    • B29C65/1629—Laser beams characterised by the way of heating the interface
    • B29C65/1635—Laser beams characterised by the way of heating the interface at least passing through one of the parts to be joined, i.e. laser transmission welding

Description

【発明の詳細な説明】 （産業上の利用分野） 本発明は合成樹脂フラットフイルムを筒状に折り曲げ
て背貼りシールする方法に関する。
（従来技術） 従来、レーザビームにより合成樹脂フイルムをシール
する場合、フラットな合成樹脂フイルムをフオーマーに
導びき、筒状となしフオーマー上の該合成樹脂フイルム
端部同志の重合部に第３図の断面図で示すように直接レ
ーザービームを照射していた。然るに、該合成樹脂フイ
ルム端部重合部に往々にして弛みが存在するため、フイ
ルム端が上方にはね上ったり、重合フイルム相互間に空
間部が必然的に生じ、重合フイルム接着面の温度差によ
り接着不良を起こすばかりでなく、フオーマー自体が加
熱される結果、フイルム裏面側が収縮し、シワを生ずる
欠点があった。
（課題を解決するための手段） 発明はかかる問題を改善せんとするもので、その要旨
はフラットフイルムを筒状に折り曲げて背貼りシールす
るに当り、フラットフイルムの端部同志の重合部を支持
し得る中子をフオーマー上に配して該中子上面の凸状平
面上でフラットフイルム端部同志を密着重合させてレー
ザー光線を照射すること特徴とする。
以下、本発明を更に詳細に説明する。
第１図は本発明の実施態様を示す斜視図、第２図は中
子部分の一例を示す断面図である。本発明は第１図に示
すようにフラットフイルム１を送りスピード40〜80m/mi
nでフオーマー２に導びき、フオーマー２上に配した中
子３上面の凸状平面上でフイルムの端部同志が密着重合
するようにフイルム１を誘導する。中子３上面の凸状平
面上に密着状態に支持されたフラットフイルム１の端部
同志の重合部に炭酸ガスレーザー照射装置４によりレー
ザービームを照射する。中子３はアルミ合金、ステンレ
ス等からなり、第２図に示すようにフオーマー２のほぼ
中央部に頂部を平面状とし、幅方向両側に漸次低くなる
ような傾斜面を設けてある。凸状平面部の面積は25〜20
0mm2高さは３〜20mm程度とする。凸状平面部は鏡面状と
し、反射性を付与することが望ましい。かくすればレー
ザービームの反射によりレーザー光の吸収効率を向上し
得て好ましい。中子３としては通常、平板上のほぼ中央
部に前述の凸状平面部を有する凸状体を一体的に設けた
ものが好適に用いられる。
（発明の効果） 本発明は以上述べたようにフラットフイルムの端部同
志の重合部を支持し得る中子をフオーマー上に配して該
中子上面の凸状平面上でフラットフイルム端部同志を密
着重合させてレーザー光を照射するようにしたので，走
行するフイルムの引取り張力と中子の凸状平面部の支持
機能とあいまってフイルムの弛みが解消され、接着も確
実に行われるのみならず、フイルム裏面側にシワ等が発
生することもないものである。
【図面の簡単な説明】
第１図は本発明の実施態様を示す斜視図、第２図は中子
部分の断面図であり、第３図は従来方法を示す断面図で
ある。 １……フイルム、２……フオーマー ３……中子、４……レーザー照射装置

Claims (1)

    (57)【特許請求の範囲】
  1. 【請求項１】フラットフイルムを筒状に折り曲げて背貼
    りシールするに当り、フラットフイルムの端部同志の重
    合部を支持し得る中子をフオーマー上に配して該中子上
    面の凸状平面上でフラットフイルム端部同志を密着重合
    させてレーザー光線を照射することを特徴とする背貼り
    シール方法。
JP14135888A 1988-06-08 1988-06-08 背貼りシール方法 Expired - Fee Related JP2550664B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14135888A JP2550664B2 (ja) 1988-06-08 1988-06-08 背貼りシール方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14135888A JP2550664B2 (ja) 1988-06-08 1988-06-08 背貼りシール方法

Publications (2)

Publication Number Publication Date
JPH01310934A JPH01310934A (ja) 1989-12-15
JP2550664B2 true JP2550664B2 (ja) 1996-11-06

Family

ID=15290123

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14135888A Expired - Fee Related JP2550664B2 (ja) 1988-06-08 1988-06-08 背貼りシール方法

Country Status (1)

Country Link
JP (1) JP2550664B2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020059787A1 (ja) * 2018-09-21 2020-03-26 日本製紙株式会社 角筒ストローの製造方法及び角筒ストロー

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4037952A1 (de) * 1990-11-29 1992-06-04 Bosch Gmbh Robert Verfahren zur montage eines filters an einem ventil und ventil
JP4486719B2 (ja) * 1999-04-23 2010-06-23 株式会社フジシールインターナショナル チューブ体及びストレッチラベル
WO2008117717A1 (ja) * 2007-03-27 2008-10-02 Konica Minolta Opto, Inc. 樹脂製部材の接合方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020059787A1 (ja) * 2018-09-21 2020-03-26 日本製紙株式会社 角筒ストローの製造方法及び角筒ストロー

Also Published As

Publication number Publication date
JPH01310934A (ja) 1989-12-15

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