JP2002120306A - 溶封装置 - Google Patents

溶封装置

Info

Publication number
JP2002120306A
JP2002120306A JP2001252146A JP2001252146A JP2002120306A JP 2002120306 A JP2002120306 A JP 2002120306A JP 2001252146 A JP2001252146 A JP 2001252146A JP 2001252146 A JP2001252146 A JP 2001252146A JP 2002120306 A JP2002120306 A JP 2002120306A
Authority
JP
Japan
Prior art keywords
rolls
heating
tubing
tubes
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.)
Pending
Application number
JP2001252146A
Other languages
English (en)
Inventor
Martin Hohnhorst
ホーンホルスト マルティン
Stefan Esslage
エスラーゲ シュテファン
Juergen Steinberg
シュタインベルグ ユルゲン
Ruediger Duwendag
ドゥヴェンダック リューディガー
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
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 Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of JP2002120306A publication Critical patent/JP2002120306A/ja
Pending 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
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411—Roller, cylinder or drum types
    • B29C66/83413—Roller, cylinder or drum types cooperating rollers, cylinders or drums
    • 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
    • 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
    • B29C65/1429—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 characterised by the way of heating the interface
    • B29C65/1445—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 characterised by the way of heating the interface heating both sides of the joint
    • 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
    • B29C65/1429—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 characterised by the way of heating the interface
    • B29C65/1464—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 characterised by the way of heating the interface making use of several radiators
    • B29C65/1467—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 characterised by the way of heating the interface making use of several radiators at the same time, i.e. simultaneous 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7858—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined
    • B29C65/7861—In-line machines, i.e. feeding, joining and discharging are in one production line
    • B29C65/787—In-line machines, i.e. feeding, joining and discharging are in one production line using conveyor belts or conveyor chains
    • B29C65/7873—In-line machines, i.e. feeding, joining and discharging are in one production line using conveyor belts or conveyor chains using cooperating conveyor belts or cooperating conveyor chains
    • 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
    • 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
    • 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
    • B29C66/8161—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 said pressing elements being supported or backed-up by springs or by resilient material
    • 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
    • B29C66/80—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
    • B29C66/8145—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 constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/81463—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 constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a plurality of single pressing elements, e.g. a plurality of sonotrodes, or comprising a plurality of single counter-pressing elements, e.g. a plurality of anvils, said plurality of said single elements being suitable for making a single joint
    • B29C66/81465—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 constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a plurality of single pressing elements, e.g. a plurality of sonotrodes, or comprising a plurality of single counter-pressing elements, e.g. a plurality of anvils, said plurality of said single elements being suitable for making a single joint one placed behind the other in a single row in the feed direction
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91441—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature the temperature being non-constant over time
    • B29C66/91443—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature the temperature being non-constant over time following a temperature-time profile
    • B29C66/91445—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature the temperature being non-constant over time following a temperature-time profile by steps
    • 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
    • B29K2711/00—Use of natural products or their composites, not provided for in groups B29K2601/00 - B29K2709/00, for preformed parts, e.g. for inserts
    • B29K2711/12—Paper, e.g. cardboard
    • B29K2711/123—Coated
    • 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
    • B29L2031/7128—Bags, sacks, sachets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
    • B31B70/644—Making seals parallel to the direction of movement, i.e. longitudinal sealing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Toxicology (AREA)
  • Manufacturing & Machinery (AREA)
  • Package Closures (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Making Paper Articles (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)

Abstract

(57)【要約】 【課題】 ストリップ形のヒートシールシームを、供給
手段に対してずれないで次々に送られる管材に施すこと
ができる溶封装置を提供する。 【解決手段】 平らな状態にある管材(7)の互いに重ね
合わされた熱可塑性材料製の内壁をストリップ形に溶封
し又は溶着させる装置が、相互の隙間を制限する２つの
加熱状態の長手方向に延びる加熱ジョー(1,2)と、加熱
ジョーの一領域内において管材をまとめて加圧する手段
(10)と、上記隙間を通して管材を移動させるコンベヤ装
置(5,6)とを有する。管材がコンベヤ装置に対してずれ
ないようにするために、溶封装置は、加熱ジョーの付近
に設けられた１対のロール(8,9)を有し、これらロール
は、各管材の加圧処理ニップを形成している。

Description

【発明の詳細な説明】
【０００１】
【発明の属する技術分野】本発明は、平らな状態で連続
して次々に送られる管材、好ましくはプラスチック材料
の内層を備えた紙製の管材の互いに重ね合わされた熱可
塑性材料製の内壁をストリップ形に溶封（ヒートシー
ル）し又は溶着させる溶封装置であって、相互の隙間を
制限する２つの加熱状態の長手方向に延びる加熱ジョー
と、加熱ジョーの一領域内において管材をまとめて加圧
する手段と、隙間を通して管材を移動させるコンベヤ装
置とを有する溶封装置に関する。
【０００２】
【従来の技術及び発明が解決しようとする課題】この種
の溶封（又はヒートシール）装置は、例えば、いわゆる
ピンチボトム形大袋（pinch bottom sacks）の製造に用
いられている。ピンチボトム形大袋は、内壁がヒートシ
ール可能な層を備えた通常は紙製の管材で構成されてい
る。物が漏れ出ないよう閉じられた底を形成するため
に、平らに置かれた管材には、底の側の切り口又は裁断
縁の近くに且つこれと平行にストリップ形のヒートシー
ル部が設けられ、かかるヒートシール部によって、管材
の側壁が互いに溶着される。その後、底の構造の安定性
を向上させるため、底の側部の管材のエッジストリップ
を一方の側壁に折り返し、これに接合する。底を封止す
る横方向ヒートシールシームを形成するため、横方向に
供給された管材は、その入口側で２つの加熱ジョー相互
間に形成された隙間を通り、この隙間は従来、その入口
側でくさびの形状に広げられている。公知の装置では、
加熱ジョーによって加熱された管材のストリップ形領域
を一緒に加圧する作業は、加熱ジョーによって形成され
る隙間が出口領域で狭くなっていることにより可能とな
る。しかしながら、このように狭くなることにより、管
材は互いに向かい合った加熱ジョーの側部からはみ出る
ことになり、この場合、摩擦力が大きくなり、したがっ
て、通常管材を相互の間にしっかりとクランプする対を
なすコンベヤベルトから成るコンベヤ装置によって供給
される管材は、コンベヤ装置に対してよじ曲げられ、オ
フセット位置をとることになり、このオフセット位置
は、次に行う加工を面倒にしたり、これを不可能にする
ことさえある。
【０００３】したがって、本発明の目的は、管材が供給
装置に対してずれるという問題を生じることなく、スト
リップ形のヒートシールシームを次々に送られる管材に
施すことができる上述した形式の溶封装置を提供するこ
とにある。
【０００４】
【課題を解決するための手段】この目的は、本発明によ
れば、加圧ジョーの付近に１対のロールが設けられ、こ
れらロールが各管材の加圧処理ニップを形成することに
よって達成される。
【０００５】本発明の装置では、加熱状態の加熱ジョー
は、ストリップ形のヒートシールシームが設けられるべ
き管材の領域を、摩擦が無く又は殆ど無い状態でこれら
ジョー相互間に形成された隙間を通って搬送できるほど
広い間隔を持つのがよい。しかしながら、内側熱可塑性
層の十分な加熱後に良好なヒートシールシームをつくる
ためには、本発明によれば、クランプ又は加圧ロール対
を形成するロールが設けられ、ヒートシールシームが形
成されるべき管材の領域がかかるロール中を通り、かく
して、一緒にしっかりと加圧され、したがって可塑化さ
れた熱可塑性層が互いに溶着されるようになっている。
【０００６】形成されるべきストリップ形ヒートシール
シームの付近でボールを通過する管材を一緒に加圧する
ロールは、自由回転状態で設けられるのがよい。
【０００７】ロール対の各ロールを２つの加熱ジョーの
うち一方に取り付けるのが有益である。これにより、ロ
ールは、加熱ジョーの温度を受け取り、ヒートシールシ
ームが形成されるべき領域から熱を全く奪わないことに
なる。
【０００８】当然のことながら、クランプロール対のう
ち少なくとも一方のロールは、管材の供給速度に一致し
た周速度でこのロールを駆動する駆動装置を備えること
も可能である。かかる駆動装置によって、力が管材に作
用してこれらを後ろに保持することが一段と防止され
る。
【０００９】ヒートシールシームが設けられるべき管材
の領域に十分な熱を供給するためには、供給方向におい
て前後に加圧ロール対を備えた数対の加熱ジョーを用い
ることが有益であり、かかる加熱ジョーの各対は、形成
されるべき同一シームに差し向けられる。
【００１０】本発明の例示の実施形態を、添付の図面を
参照して以下に詳細に説明する。
【００１１】
【発明の実施の形態】溶封装置は、図示されていない機
械フレームに取り付けられた少なくとも１対の加熱ジョ
ー１，２を有し、加熱ジョーの互いに対向して配置され
た状態で熱を伝えるとともに（或いは）反射させるスト
リップ形表面が、隙間３を形成する相互間隔を有してお
り、かかるストリップ形表面の幅は、形成されるべきヒ
ートシールシームの幅を定める。電気的に加熱できる発
熱ロッド４が、長手方向に延びる加熱ジョー１，２中に
通常のやり方で設けられている。数本の連続した循環す
る二重ベルト５，６が互いに平行に延びる状態で図示し
ていない機械フレーム中に設けられており、これらベル
トは、図示されていない駆動ロール及び偏向ロールに掛
けられており、またこれらベルトは、ストリップ形内側
ヒートシールシームが設けられるべき管材７を上方側部
と下方側部との間でクランプし、コンベヤ装置として、
図示の方法で加熱ジョー１，２相互間の隙間３を通って
動く。連続した二重ベルト対５，６を構成するコンベヤ
装置の供給方向は、矢印Ａの方向である。
【００１２】加熱ジョー１，２の端部領域において、ロ
ール８，９は、図示していない支承ピンに自由回転状態
で取り付けられており、これらロールは、図示のように
クランプ又は加圧ロール対を形成している。下側ロール
８は、下側加熱ジョー２に固定状態で連結された支承ピ
ンに取り付けられており、したがって、下側ロール８
は、回転自在に設けられるようになっており、この場
合、これを保持する支承ピンは、半径方向に動くことが
できない。
【００１３】上側ロール９は、垂直方向に可動な支承ピ
ンに取り付けられている。上側加熱ジョー１に固着され
たカウンター支承体１１で支持されている押えばね１０
が、ロール９を保持する支承ピンに作用し、クランプロ
ール対の上側ロール９を下側ロール８に所定の力で押し
付けるようになっている。
【００１４】ストリップ形横方向ヒートシールシームが
設けられるべき管材７の領域を十分に加熱するために、
図面に示す形式の加熱ジョーの多数の対、例えば４つの
装置が、図示していない態様で配置される。数個の装置
を通って管材を搬送する目的で、二重ベルトコンベヤ
５，６から成る単一のコンベヤ装置を設けてもよい。
【図面の簡単な説明】
【図１】本発明の溶封装置の概略斜視図である。
【符号の説明】
１，２ 加熱ジョー ３ 隙間 ５，６ ベルト ７ 管材 ８，９ ロール １０ 押えばね
フロントページの続き (72)発明者 シュテファン エスラーゲ ドイツ連邦共和国 48477 ヘルシュテル パストレンカンプ 22 (72)発明者 ユルゲン シュタインベルグ ドイツ連邦共和国 48477 ヘルシュテル リークヴェッヒ 10 (72)発明者 リューディガー ドゥヴェンダック ドイツ連邦共和国 49525 レンゲリッヒ バーンホフシュトラッセ 19 Ｆターム(参考） 3E075 AA05 AA22 BA42 CA04 DA04 DA15 DA32 DD14 DD33 DD42 GA04 3E094 AA20 CA02 FA03 HA03

Claims (5)

    【特許請求の範囲】
  1. 【請求項１】 平らな状態で連続して次々に送られる管
    材（７）、好ましくはプラスチック材料の内層を備えた
    紙製の管材（７）の互いに重ね合わされた熱可塑性材料
    製の内壁をストリップ形に溶封し又は溶着させる溶封装
    置であって、相互の隙間を制限する２つの加熱状態の長
    手方向に延びる加熱ジョー（１，２）と、加熱ジョー
    （１，２）の一領域内において管材（７）をまとめて加
    圧する手段と、前記隙間を通して管材（７）を移動させ
    るコンベヤ装置とを有し、加熱ジョー（１，２）の付近
    には、１対のロール（８，９）が設けられ、前記ロール
    （８，９）は、各管材（７）の加圧処理ニップを形成し
    ていることを特徴とする装置。
  2. 【請求項２】 ロール（８，９）は、自由回転状態で設
    けられていることを特徴とする請求項１記載の装置。
  3. 【請求項３】 ロール対の各ロール（８，９）は、２つ
    の加熱ジョー（１，２）のうち一方に取り付けられてい
    ることを特徴とする請求項１又は２記載の装置。
  4. 【請求項４】 ロール対のうち少なくとも一方のロール
    （８，９）は、これを、管材（７）の供給速度に一致し
    た周速度で駆動する駆動装置を備えていることを特徴と
    する請求項１〜３の何れか１項に記載の装置。
  5. 【請求項５】 加圧ロール対を備えた数個の加圧状態の
    加熱ジョーが、形成されるべき管材（７）の同一シーム
    に差し向けられた状態で管材の供給方向に配置されてい
    ることを特徴とする請求項１〜４の何れか１項に記載の
    装置。
JP2001252146A 2000-07-18 2001-07-18 溶封装置 Pending JP2002120306A (ja)

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DE10034910.2 2000-07-18

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JP (1) JP2002120306A (ja)
DE (1) DE10034910C2 (ja)
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IT (1) ITMI20011464A1 (ja)

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CN107985685A (zh) * 2017-12-21 2018-05-04 安聪聪 一种高效的食品包装用封口机
GB2618095A (en) * 2022-04-26 2023-11-01 Sewtec Automation Ltd Sealing apparatus and method
CN116495291B (zh) * 2023-06-27 2023-09-05 常州树杰塑业有限公司 一种塑料薄膜翻转热封装置

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Publication number Priority date Publication date Assignee Title
DE2551503C3 (de) * 1975-11-17 1981-10-22 Combinatul Chimic Craiova, Craiova Schweißmaschine für Kunststoffsäcke und -Bänder
JPS59135114A (ja) * 1983-01-25 1984-08-03 Toyo Seikan Kaisha Ltd ヒ−トシ−ル方法
DE3718300A1 (de) * 1987-05-30 1988-12-15 Lin Tec Gmbh Verpackung Verfahren zur herstellung von verpackungen aus schaumkunststoff sowie materialbahn zur bildung derartiger verpackungen
US5529396A (en) * 1992-11-17 1996-06-25 Union Camp Corporation Environmentally friendly pinch bottom bag assembly and method of making
JPH09267391A (ja) * 1996-04-01 1997-10-14 Yamamoto Vinita Co Ltd 高周波加熱ローラープレス
DE19619558A1 (de) * 1996-05-14 1997-11-20 Focke & Co Vorrichtung zum Verbinden eines Aufreißstreifens mit einer Folienbahn
DE19702473A1 (de) * 1997-01-24 1998-07-30 Kraemer & Grebe Kg Verfahren und Vorrichtung zum Siegeln von Folienbahnen

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ITMI20011464A0 (it) 2001-07-10
DE10034910A1 (de) 2002-01-31
FR2811935A1 (fr) 2002-01-25
DE10034910C2 (de) 2002-08-14
ITMI20011464A1 (it) 2003-01-10
US20020020505A1 (en) 2002-02-21

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