JP2003300259A - 複数の層のプラスチックフィルムの結合のための方法 - Google Patents

複数の層のプラスチックフィルムの結合のための方法

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Publication number
JP2003300259A
JP2003300259A JP2003072656A JP2003072656A JP2003300259A JP 2003300259 A JP2003300259 A JP 2003300259A JP 2003072656 A JP2003072656 A JP 2003072656A JP 2003072656 A JP2003072656 A JP 2003072656A JP 2003300259 A JP2003300259 A JP 2003300259A
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JP
Japan
Prior art keywords
plastic film
perforation line
sonotrode
weld
plastic
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
JP2003072656A
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English (en)
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JP3860551B2 (ja
Inventor
Stefan Sitzmann
ジッツマン シュテファン
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.)
Huhtamaki Forchheim Zweigniederlassung der Hutamaki Flexible Packaging Germany GmbH and Co KG
Original Assignee
Huhtamaki Forchheim Zweigniederlassung der Hutamaki Deutschland GmbH and Co KG
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Publication of JP2003300259A publication Critical patent/JP2003300259A/ja
Application granted granted Critical
Publication of JP3860551B2 publication Critical patent/JP3860551B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • B29C65/743—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc
    • B29C65/7437—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc the tool being a perforating tool
    • 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
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • B29C65/743—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc
    • B29C65/7441—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc for making welds and cuts of other than simple rectilinear form
    • 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
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • B29C65/743—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc
    • B29C65/7443—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc by means of 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
    • B29C66/01—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
    • B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
    • B29C66/242—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours
    • B29C66/2422—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical
    • B29C66/24221—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical being circular
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • 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
    • B29C66/81427—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 comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
    • 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
    • B29C66/81427—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 comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
    • B29C66/81429—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 comprising a single ridge, e.g. for making a weakening line; comprising a single tooth comprising a single tooth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/001—Blocks, stacks or like assemblies 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
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/0045—Perforating
    • 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
    • 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
    • B29C65/7841—Holding or clamping means for handling purposes
    • 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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • 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
    • 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
    • B29L2031/7129—Bags, sacks, sachets open
    • 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
    • B29L2031/737—Articles provided with holes, e.g. grids, sieves
    • 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
    • B31B70/643—Uniting opposed surfaces or edges; Taping by applying heat or pressure on piled sheets, e.g. sealing bags arranged in a pile
    • 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
    • B31B70/74—Auxiliary operations
    • B31B70/92—Delivering
    • B31B70/98—Delivering in stacks or bundles
    • B31B70/988—Assembling or block-forming of bags; Loading bags on a mandrel

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Bag Frames (AREA)
  • Making Paper Articles (AREA)

Abstract

(57)【要約】 【課題】 複数の層のプラスチックフィルム、特にプラ
スチック袋を１つのブロックに結合するための方法を改
善して、すべてのプラスチック袋を互いに少なくともほ
ぼ均一に結合し、その結果、個別のプラスチック袋を常
に同じ取り外し力若しくは切り離し力で取り外し若しく
は切り離しできるようにすることである。 【解決手段】 プラスチックフィルムを縁部区分で超音
波・溶接手段によって互いに結合する。

Description

【発明の詳細な説明】
【０００１】
【発明の属する技術分野】本発明は、複数の層のプラス
チックフィルム若しくはプラスチックシート、特にプラ
スチック袋を１つのブロックに結合するための方法であ
って、この場合にプラスチックフィルム若しくはプラス
チック袋がブロックから個別に取り外し、即ち切り離し
できるようになっている形式のものに関する。
【０００２】
【従来の技術】ドイツ連邦共和国特許出願第-A-１９９
３５０６５号明細書により、プラスチック袋（プラスチ
ックバッグ[plastic bag]）のパイルを加熱可能なニー
ドルによって溶接（溶着）することが公知である。
【０００３】前記方法によっては、互いに隣接するすべ
ての袋を均一に結合することができない。
【０００４】
【特許文献１】ドイツ連邦共和国特許出願第-A-１９９
３５０６５号明細書
【０００５】
【発明が解決しようとする課題】本発明の課題は、複数
の層のプラスチックフィルム若しくはプラスチック袋を
１つのブロックに結合するための方法を改善して、すべ
てのプラスチックフィルム若しくはプラスチック袋を互
いに少なくともほぼ均一に結合し、その結果、個別のプ
ラスチックフィルム若しくはプラスチック袋を常にほぼ
同じ取り外し力若しくは切り離し力で取り外し若しくは
切り離しできるようにすることである。
【０００６】
【課題を解決するための手段】前記課題を解決するため
に本発明に基づく手段では、プラスチックフィルム若し
くはプラスチック袋を縁部区分（エッジストリップ[edg
e strip]）で超音波・溶接によって互いに結合するよう
になっている。
【０００７】
【発明の効果】超音波・溶接手段によって、極めて良好
に制御可能な溶接若しくは溶着が行われ、その結果、個
別の層、即ち個別のプラスチックフィルム若しくはプラ
スチック袋間の極めて均一な結合部が得られる。
【０００８】本発明の有利な実施態様では、少なくとも
２つの溶接箇所を設けるようになっている。これによっ
て、個別の溶接箇所の必要な保持力を小さく保つととも
に、結合されたプラスチック袋若しくはプラスチックフ
ィルムを極めて良好にまとめておくことができる。
【０００９】本発明の別の実施態様では、所定の長さを
有する少なくとも１つの溶接箇所、即ち細長い、換言す
れば長尺の少なくとも１つの溶接箇所を設けるようにな
っている。これによっても、個別のプラスチック袋若し
くはプラスチックフィルムが互いに良好にまとめられ、
即ち互いに良好に保持される。
【００１０】本発明の別の有利な実施態様では、溶接箇
所が、該溶接箇所を比較的に容易に切り離せるように形
成されている。これによって、特に機械を用いてプラス
チック袋若しくはプラスチックフィルムを処理する際
に、プラスチック袋若しくはプラスチックフィルム損
傷、例えば裂断の発生が確実に避けられる。
【００１１】個別の層、即ち個別のプラスチック袋若し
くはプラスチックフィルムの容易な取り外し、即ち切り
離しが、本発明の有利な実施態様では溶接箇所をプラス
チックフィルムの取り外すべき、即ち切り離すべき部分
に対してパーフォレーションラインによって区切ること
によっても達成される。
【００１２】本発明の実施態様では、パーフォレーショ
ンラインをプラスチックフィルムの１つの外側縁部に対
して平行に配置してある。これによって、プラスチック
袋若しくはプラスチックフィルムが、溶接箇所を含む縁
部区分（エッジストリップ）から特に簡単に切り離され
る。
【００１３】本発明の別の実施態様では、各溶接箇所を
それぞれ１つのパーフォレーションラインによって取り
囲んであり、該各パーフォレーションラインの両方の端
部がプラスチックフィルムの同一の外側縁部に達して、
同一の外側縁部に位置している。
【００１４】一方の端部でプラスチックフィルムの１つ
の外側縁部から出発してかつ他方の端部で該同一の外側
縁部に到達する前記パーフォレーションラインが、本発
明の有利な実施態様では、溶接箇所を半円形若しくは方
形に取り囲んでいる。
【００１５】本発明のさらに別の実施態様では、超音波
・溶接をピン状のソノトロードによって行い、ソノトロ
ードが溶接に際してプラスチックフィルム若しくはプラ
スチック袋の溶接すべき層内を貫通して、溶接リング若
しくは溶着リングを形成するようになっている。この場
合、ソノトロードが溶接過程中に溶接すべきブロック内
で降下させられて、ブロックの個々のすべての層と接触
するようになっている。
【００１６】本発明の極めて有利な実施態様では、超音
波・溶接のために用いられるソノトロードが、押さえ付
け部材の孔内を通して、溶接すべきプラスチック層、即
ちプラスチックフィルムに向けて押圧される。
【００１７】本発明の極めて有利な実施態様では、ピン
状のソノトロードが直径の大きな付加部を有しており、
該付加部が溶接過程の終了に際して溶接すべきプラスチ
ック層、即ちプラスチックフィルムの最上位置の層に接
触させられるようになっている。これによって、ブロッ
クの最上位置の層も確実に圧着される。
【００１８】本発明の別の有利な実施態様では、ソノト
ロードの付加部が、互いに相対する少なくとも２つの尖
端部分を有しており、該尖端部分がプラスチックフィル
ム・パイル若しくはプラスチック袋・パイルに向けられ
て、最上位置の層を互いに溶接するようになっている。
【００１９】
【発明の実施の形態】図１に符合１でプラスチック袋２
のブロックを表しており、最も上側に位置するプラスチ
ック袋２のみが図面に示されている。袋２は手さげ握り
部（キャリーハンドル[carry handle]）３を備えてお
り、一方の側壁４が他方の側壁５に比べて短く形成され
ている。袋詰め中に袋２を固定するための２つの穴６が
長い方の側壁(サイドパネル[side panel])内に設けられ
ている。４つの溶接箇所７によって個別の袋が互いに結
合されている。４つの溶接箇所７は、横方向に側壁５に
わたって延びるパーフォレーションライン８によって側
壁５のほかの部分から区切られている。パーフォレーシ
ョンライン(perforation line)８に沿って、それぞれ１
つの袋２が袋のブロック１から切り離される。
【００２０】図２に実質的に同一のプラスチック袋２の
ブロック２１が示してある。第２の側壁２５に設けられ
た溶接箇所７は個別にパーフォレーションライン２８，
３８によって区切られている。
【００２１】パーフォレーションライン２８が溶接箇所
７の回りに半円形に形成されていて、即ち溶接箇所を半
円形に取り囲んでおり、パーフォレーションラインの両
端が側壁２５の共通の１つの縁部に達している。これに
対して、パーフォレーションライン３８は溶接箇所７を
方形に取り囲んで延びている。
【００２２】図３にソノトロード３０を示してあり、ソ
ノトロードが金敷３１と協働するようになっている。ソ
ノトロード３０は金敷３１に向けられた下側の端部にピ
ン状のソノトロード・付加部３２を備えており、ソノト
ロード・付加部がほぼ２．５ｍｍの直径を有している。
ソノトロード３０の下側の端部に、互いに直径方向で相
対する尖端部分３３が設けられている。ソノトロード３
０は押さえ付け部材３５の孔３４を貫通していて、高さ
調節可能に支承されている。
【００２３】プラスチック袋２の溶着すべきブロック２
が金敷３１上に載せられて、押さえ付け部材３５によっ
て堅く保持される。
【００２４】ピン状のソノトロード・付加部３２がブロ
ック１上に装着されて、超音波機構が接続されると同時
に、ソノトロード３０が下方へ押圧される。これによっ
て、ソノトロード・付加部がブロック１内に押し込まれ
て溶接（溶着）を行う。溶着過程終了時点で両方の尖端
部分３３がブロック１の最上位置の袋に当て付けられ
て、最上位置の層を付加的に溶着する。
【００２５】ブロック１からのソノトロード３０若しく
はピン状のソノトロード・付加部３２の引き抜きの後
に、円筒形の溶着通路が生じており、溶着部が個別の層
を互いに結合している。
【図面の簡単な説明】
【図１】下側の端部を溶接箇所によって互いに結合され
たプラスチック袋から成るブロックの平面図。
【図２】プラスチック袋から成る別のブロックの平面
図。
【図３】プラスチック袋を溶接するためのソノトロード
の概略図。
【符号の説明】
１ ブロック、 ２ プラスチック袋、 ３ 手さげ握
り部、 ４，５ 側壁、 ６ 穴、 ７ 溶接箇所、
８ パーフォレーションライン、 ２８ パーフォレー
ションライン、 ３０ ソノトロード、 ３２ ソノト
ロード・付加部、 ３３ 尖端部分、３４ 孔、 ３５
押さえ付け部材
───────────────────────────────────────────────────── フロントページの続き (72)発明者 シュテファン ジッツマン ドイツ連邦共和国 フォルヒハイム ツヴ ァイブリュッケンシュトラーセ 15−25 Ｆターム(参考） 3E056 AA05 DA01 FB08 FH20 3E064 AE11 BA22 EA08 HU10 3E075 AA07 BA42 CA10 DA34 DD12 DD32 DD42 FA06 GA04 4F211 AD08 AG07 AG23 AH54 TA01 TC08 TC17 TC22 TD05 TD11 TN22 TQ13

Claims (13)

    【特許請求の範囲】
  1. 【請求項１】 複数の層のプラスチックフィルムの結合
    のための方法であって、この場合にプラスチックフィル
    ムがブロックから個別に取り外しできるようになってい
    る形式のものにおいて、プラスチックフィルムを縁部区
    分で超音波・溶接手段によって互いに結合することを特
    徴とする、複数の層のプラスチックフィルムの結合のた
    めの方法。
  2. 【請求項２】 少なくとも２つの溶接箇所を設ける請求
    項１記載の方法。
  3. 【請求項３】 所定の長さを有する少なくとも１つの溶
    接箇所を設ける請求項１記載の方法。
  4. 【請求項４】 溶接箇所を比較的に容易に取り外し可能
    に形成する請求項１から３のいずれか１項記載の方法。
  5. 【請求項５】 溶接箇所をプラスチックフィルムの取り
    外すべき部分に対してパーフォレーションラインによっ
    て切り離す請求項１から３のいずれか１項記載の方法。
  6. 【請求項６】 パーフォレーションラインをプラスチッ
    クフィルムの１つの外側縁部に対して平行に配置する請
    求項５記載の方法。
  7. 【請求項７】 各溶接箇所をそれぞれ１つのパーフォレ
    ーションラインによって取り囲み、該パーフォレーショ
    ンラインを一方の端部で以てプラスチックフィルムの１
    つの外側縁部から始まって、他方の端部で以て前記同じ
    外側縁部に達するように形成する請求項５記載の方法。
  8. 【請求項８】 パーフォレーションラインを、該パーフ
    ォレーションラインで溶接箇所を半円形に取り囲むよう
    に形成する請求項７記載の方法。
  9. 【請求項９】 パーフォレーションラインを、該パーフ
    ォレーションラインで溶接箇所を方形に取り囲むように
    形成する請求項７記載の方法。
  10. 【請求項１０】 超音波・溶接をピン状のソノトロード
    によって行い、該ソノトロードをプラスチックフィルム
    の溶接すべき層内に押し込んで、溶接リングを形成する
    請求項１から９のいずれか１項記載の方法。
  11. 【請求項１１】 超音波・溶接のためにソノトロードを
    用いて、該ソノトロードを押さえ付け部材の孔内に差し
    込み、プラスチックフィルムの溶接すべき層に押圧する
    請求項１から１０のいずれか１項記載の方法。
  12. 【請求項１２】 ピン状のソノトロードに直径の大きな
    付加部を設けて、該付加部を溶接過程の終了に際してプ
    ラスチックフィルムの溶接すべき最上位置の層に接触さ
    せる請求項１０又は１１記載の方法。
  13. 【請求項１３】 付加部に、互いに相対する少なくとも
    ２つの尖端部分を設けて、該尖端部分をプラスチックフ
    ィルム若しくはプラスチックフィルム・パイルに向け
    て、該尖端部分によって最上位置の層を互いに溶接する
    請求項１２記載の方法。
JP2003072656A 2002-03-15 2003-03-17 複数の層のプラスチックフィルムの結合のための方法 Expired - Fee Related JP3860551B2 (ja)

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DE10211680A DE10211680B4 (de) 2002-03-15 2002-03-15 Verfahren zum Verbinden mehrerer Lagen aus Kunststoffolie

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CN104441612A (zh) * 2013-09-18 2015-03-25 厦门市锦坤工贸有限公司 防水包的生产工艺及设备
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CN104441612A (zh) * 2013-09-18 2015-03-25 厦门市锦坤工贸有限公司 防水包的生产工艺及设备
KR102630185B1 (ko) * 2023-07-14 2024-01-25 황중구 상품 진열 포장용 비닐 포장대 및 그 제조방법

Also Published As

Publication number Publication date
DE10211680B4 (de) 2006-08-31
JP3860551B2 (ja) 2006-12-20
EP1344631A2 (de) 2003-09-17
US7022197B2 (en) 2006-04-04
EP1344631A3 (de) 2010-04-07
DE10211680A1 (de) 2003-10-16
US20030173016A1 (en) 2003-09-18

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