JPH0764342B2 - 包装材封緘装置のヒータ取付部 - Google Patents

包装材封緘装置のヒータ取付部

Info

Publication number
JPH0764342B2
JPH0764342B2 JP4213840A JP21384092A JPH0764342B2 JP H0764342 B2 JPH0764342 B2 JP H0764342B2 JP 4213840 A JP4213840 A JP 4213840A JP 21384092 A JP21384092 A JP 21384092A JP H0764342 B2 JPH0764342 B2 JP H0764342B2
Authority
JP
Japan
Prior art keywords
heater
packaging material
attached
leaf spring
sealing device
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
JP4213840A
Other languages
English (en)
Other versions
JPH0664626A (ja
Inventor
靜生 橋本
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.)
Fuji Impulse Co Ltd
Original Assignee
Fuji Impulse Co Ltd
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 Fuji Impulse Co Ltd filed Critical Fuji Impulse Co Ltd
Priority to JP4213840A priority Critical patent/JPH0764342B2/ja
Publication of JPH0664626A publication Critical patent/JPH0664626A/ja
Publication of JPH0764342B2 publication Critical patent/JPH0764342B2/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
    • 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
    • B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
    • B29C65/221—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip
    • B29C65/224—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip being a resistive ribbon, a resistive band or a resistive strip
    • 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
    • B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
    • B29C65/228—Heated wire resistive ribbon, resistive band or resistive strip characterised by the means for electrically connecting the ends of said heated wire, resistive ribbon, resistive band or resistive strip
    • 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
    • B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
    • B29C65/229—Heated wire resistive ribbon, resistive band or resistive strip characterised by the means for tensioning said heated wire, resistive ribbon, resistive band or resistive strip
    • 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
    • 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
    • B29C66/81—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
    • B29C66/816—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 mounting of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8167—Quick change joining tools or surfaces
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Package Closures (AREA)

Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】本発明は、包装材の封緘部を挟圧
する一対の加圧部を接近離間操作自在に設け、加圧部に
より挟圧された封緘部を加熱融着する電熱式ヒータをそ
の両端側でホルダーにより張力付与状態で保持させた包
装材封緘装置のヒータ取付部に関する。さらに説明する
と、上記ヒータ取付部は、通電時の熱膨張によるヒータ
の伸びをホルダーの張力付与で吸収し、樹脂製包装材な
どの封緘部にヒータの折れ曲がりに起因して加熱融着に
よる跡が付くことを防止できるようにしたものである。
【０００２】
【従来の技術】従来、図５に示すように、一方の加圧部
２１に備えられた帯板状のヒータ２２の端部にビス２３
で電極２４に連結し、電極２４をホルダー本体２５にピ
ン２６で揺動自在に取付け、ヒータ２２に対する張力付
与方向に電極２４を揺動付勢する圧縮式コイルバネ２７
を設け、電極カバー２８をホルダー本体２５に取付けて
いた。
【０００３】
【発明が解決しようとする課題】しかし、圧縮式コイル
バネは嵩が大きくなって、ホルダーが大型化しやすく、
また、コイルバネが作用する電極をピンでホルダー本体
に組付ける構造であるため、組付け作業が困難で時間が
掛かるものになり、製作面でも問題があった。本発明の
目的は、ヒータの伸びをホルダーの張力付与で吸収する
ための構成を、コンパクトにでき、かつ、組付け作業を
簡単に実行できるものに改良する点にある。
【０００４】
【課題を解決するための手段】本発明の特徴構成は、包
装材の封緘部を挟圧する一対の加圧部を接近離間操作自
在に設け、加圧部により挟圧された封緘部を加熱融着す
る電熱式ヒータをその両端側でホルダーにより張力付与
状態で保持させた包装材封緘装置において、ホルダーの
少なくとも一方を形成するに、ヒータの端部に連結した
連結部材に板バネを備えさせ、連結部材を取付けるホル
ダー本体の支点部に板バネをヒータに対する引っ張り方
向にシーソ揺動可能に接当させ、ホルダー本体に取付け
るカバーに、その取付けに伴って板バネをヒータに対す
る張力付与方向に弾性撓み変形させる押圧接当部を支点
部とは逆方向に作用する状態で備えさせたことにある。
【０００５】
【作用】つまり、ヒータに伸び吸収のための張力を付与
するに、連結部材の移動方向における専有空間寸法を上
記従来技術の圧縮式コイルバネよりも大幅に減小できる
板バネを利用するから、ヒータ取付け部を十分にコンパ
クトにできる。また、ホルダー本体の支点部に板バネを
シーソ揺動可能に接当させ、ホルダー本体に取付けるカ
バーに板バネに対する押圧接当部を支点部とは逆方向に
作用する状態で備えさせ、ホルダー本体へのカバー取付
けに伴って板バネがヒータに対する張力付与方向に弾性
撓み変形されるように構成してあるから、組付けに際し
て、単にホルダー本体の支点部に板バネを当て付けた状
態でカバーをホルダー本体にビスなどの適当な手段で取
付けるだけの簡単な作業で済む。すなわち、前述の従来
技術のようにコイルバネが作用する電極をピンでホルダ
ー本体に組付けるよりも、組付け作業を大幅に簡略化、
能率化できる。
【０００６】
【発明の効果】その結果、ヒータの伸びをホルダーの張
力付与で吸収できるばかりでなく、ヒータ取付部をコン
パクトに構成でき、かつ、ヒータ取付部の組付け作業を
簡単に実行できる、一段と優れた包装材封緘装置を提供
できるようになった。
【０００７】
【実施例】図１に示すように、基台１にテーブル２と下
部の加圧部３を一体昇降自在にかつ上昇付勢した状態で
取付けるとともに、上部の加圧部４を昇降自在にかつテ
ーブル２の下降操作に伴って下部の加圧部３に接近操作
される状態で取付け、テーブル２に載置したポリエチレ
ンなどの包装材５の封緘部を下部の加圧部３に載せた状
態でテーブル２を下降操作すると、接近する上下一対の
加圧部３，４により封緘部が挟圧されるように構成し、
テーブル２が上昇すると上下の加圧部３，４が離間する
ように構成し、帯板状の電熱式ヒータ６を下部の加圧部
３に耐熱性シート７で覆った状態で備えさせ、上下の加
圧部３，４により挟圧された封緘部を加熱融着する包装
材封緘装置を構成してある。ヒータ６の両端側をホルダ
ー８により張力付与状態で保持させるために、ホルダー
８の両方又は一方を図２ないし図４に示すように構成し
てある。つまり、ヒータ６の端部に連結した導電性の連
結部材９に挾持部材９ａ、板バネ９ｂ、端子９ｃ、ビス
９ｄを備えさせ、挾持部材９ａにビス９ｄを螺合締付け
することにより挾持部材９ａと板バネ９ｂでヒータ６を
挾持連結するように構成してある。連結部材９を取付け
るホルダー本体１０に一対の支点部１１を備えさせ、支
点部１１に板バネ９ｂの長手方向中間部をヒータ６に対
する引っ張り方向にシーソ揺動可能に接当させ、ホルダ
ー本体１０にネジ１２，１３で取付けるカバー１４に一
対の押圧接当部１５を備えさせ、ホルダー本体１０に対
するカバー１４の取付けや締付け固定に伴って板バネ９
ｂの遊端側に押圧接当部１５を支点部１１とは逆方向に
作用する状態で接当させるように構成し、押圧接当部１
５と支点部１１の協働によってヒータ６に対する張力付
与方向に板バネ９ｂを弾性撓み変形させ、通電時の熱膨
張によるヒータ６の伸びを張力付与で吸収し、封緘部に
ヒータ６の折れ曲がりに起因して加熱融着による跡が付
くことを防止できるようにしてある。ホルダー本体１
０、カバー１４などは樹脂やベークライトなどの絶縁
性、耐熱性に優れた材料から成り、板バネ９ｂはバネ鋼
などの弾性、耐熱性に優れた材料から成る。端子９ｃに
接続したリード線を通すための切り欠き部１６，１７を
板バネ９ｂとホルダー本体１０に形成し、ホルダー本体
１０の切り欠き部１７に嵌まる蓋部分１８をカバー１４
に備えさせ、また、ヒータ６の交換を容易にするため
に、ビス９ｄを操作する開口１９をカバー１４に設けて
ある。
【０００８】〔別実施例〕包装材封緘装置の具体構成や
形式は不問であり、包装材５の材質、形状、内装物など
は適宜選定できる。一対の加圧部３，４を接近離間させ
るための具体構造や操作構成は適当に変更できる。連結
部材９の具体構成は適宜変更でき、少なくとも板バネ９
ｂを備えさせてあればよく、板バネ９ｂの材質や形状な
どは適当に変更できる。ホルダー本体１０と支点部１
１、あるいは、カバー１４と押圧接当部１５は一体でも
別体でもよく、そして、それらの材質、形状、連結構成
などは適宜選定できる。
【０００９】尚、特許請求の範囲の項に図面との対照を
便利にするために符号を記すが、該記入により本発明は
添付図面の構成に限定されるものではない。
【図面の簡単な説明】
【図１】包装材封緘装置の斜視図
【図２】ホルダーの断面図
【図３】ホルダーの分解斜視図
【図４】カバーの斜視図
【図５】従来例の断面図
【符号の説明】
３ 加圧部 ４ 加圧部 ５ 包装材 ６ ヒータ ８ ホルダー ９ 連結部材 ９ｂ 板バネ １０ ホルダー本体 １１ 支点部 １４ カバー １５ 押圧接当部

Claims (1)

    【特許請求の範囲】
  1. 【請求項１】 包装材（５）の封緘部を挟圧する一対の
    加圧部（３）（４）を接近離間操作自在に設け、前記加
    圧部（３）（４）により挟圧された前記封緘部を加熱融
    着する電熱式ヒータ（６）をその両端側でホルダー
    （８）により張力付与状態で保持させた包装材封緘装置
    において、前記ホルダー（８）の少なくとも一方を形成
    するに、前記ヒータ（６）の端部に連結した連結部材
    （９）に板バネ（９ｂ）を備えさせ、前記連結部材
    （９）を取付けるホルダー本体（１０）の支点部（１
    １）に前記板バネ（９ｂ）を前記ヒータ（６）に対する
    引っ張り方向にシーソ揺動可能に接当させ、前記ホルダ
    ー本体（１０）に取付けるカバー（１４）に、その取付
    けに伴って前記板バネ（９ｂ）を前記ヒータ（６）に対
    する張力付与方向に弾性撓み変形させる押圧接当部（１
    ５）を前記支点部（１１）とは逆方向に作用する状態で
    備えさせてある包装材封緘装置のヒータ取付部。
JP4213840A 1992-08-11 1992-08-11 包装材封緘装置のヒータ取付部 Expired - Fee Related JPH0764342B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4213840A JPH0764342B2 (ja) 1992-08-11 1992-08-11 包装材封緘装置のヒータ取付部

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4213840A JPH0764342B2 (ja) 1992-08-11 1992-08-11 包装材封緘装置のヒータ取付部

Publications (2)

Publication Number Publication Date
JPH0664626A JPH0664626A (ja) 1994-03-08
JPH0764342B2 true JPH0764342B2 (ja) 1995-07-12

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ID=16645900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4213840A Expired - Fee Related JPH0764342B2 (ja) 1992-08-11 1992-08-11 包装材封緘装置のヒータ取付部

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JP (1) JPH0764342B2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007022602A (ja) * 2005-07-19 2007-02-01 Fuji Impulse Kk ヒートシール装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101691407B1 (ko) * 2014-03-07 2016-12-30 주식회사 엔터라인 포장기계용 히터의 구조

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007022602A (ja) * 2005-07-19 2007-02-01 Fuji Impulse Kk ヒートシール装置
JP4578345B2 (ja) * 2005-07-19 2010-11-10 富士インパルス株式会社 ヒートシール装置

Also Published As

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