DE69512632T2 - Verfahren zur Herstellung einer Schwächungslinie in einem wärmeschrumpfbaren Laminat - Google Patents

Verfahren zur Herstellung einer Schwächungslinie in einem wärmeschrumpfbaren Laminat

Info

Publication number
DE69512632T2
DE69512632T2 DE69512632T DE69512632T DE69512632T2 DE 69512632 T2 DE69512632 T2 DE 69512632T2 DE 69512632 T DE69512632 T DE 69512632T DE 69512632 T DE69512632 T DE 69512632T DE 69512632 T2 DE69512632 T2 DE 69512632T2
Authority
DE
Germany
Prior art keywords
weakness
producing
heat
line
shrinkable laminate
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
DE69512632T
Other languages
English (en)
Other versions
DE69512632D1 (de
Inventor
Francesco Arena
Claudia Spitz
Roberto Musazzi
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.)
Cryovac LLC
Original Assignee
Cryovac LLC
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 Cryovac LLC filed Critical Cryovac LLC
Publication of DE69512632D1 publication Critical patent/DE69512632D1/de
Application granted granted Critical
Publication of DE69512632T2 publication Critical patent/DE69512632T2/de
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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/16—Surface shaping of articles, e.g. embossing; Apparatus therefor by wave energy or particle radiation, e.g. infrared heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/0006—Working by laser beam, e.g. welding, cutting or boring taking account of the properties of the material involved
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/073—Shaping the laser spot
    • B23K26/0736—Shaping the laser spot into an oval shape, e.g. elliptic shape
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/007—Forming single grooves or ribs, e.g. tear lines, weak spots
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/16—Composite materials, e.g. fibre reinforced
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/30—Organic material
    • B23K2103/42—Plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0838—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using laser
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/009—Using laser
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0053—Moulding articles characterised by the shape of the surface, e.g. ribs, high polish
    • B29C37/0057—Moulding single grooves or ribs, e.g. tear lines
    • 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
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/02—Thermal shrinking
    • 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
    • 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
    • B29C65/1603—Laser beams characterised by the type of electromagnetic radiation
    • B29C65/1612—Infrared [IR] radiation, e.g. by infrared lasers
    • B29C65/1619—Mid infrared radiation [MIR], e.g. by CO or CO2 lasers
    • 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
    • B29K2023/0608—PE, i.e. polyethylene characterised by its density
    • B29K2023/0616—VLDPE, i.e. very low density 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
    • B29K2023/04—Polymers of ethylene
    • B29K2023/08—Copolymers of ethylene
    • B29K2023/083—EVA, i.e. ethylene vinyl acetate copolymer
    • 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
    • B29K2023/08—Copolymers of ethylene
    • B29K2023/086—EVOH, i.e. ethylene vinyl alcohol copolymer
    • 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0049—Heat shrinkable
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)
DE69512632T 1995-03-10 1995-03-10 Verfahren zur Herstellung einer Schwächungslinie in einem wärmeschrumpfbaren Laminat Expired - Fee Related DE69512632T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP95301573A EP0730944B1 (de) 1995-03-10 1995-03-10 Verfahren zur Herstellung einer Schwächungslinie in einem wärmeschrumpfbaren Laminat

Publications (2)

Publication Number Publication Date
DE69512632D1 DE69512632D1 (de) 1999-11-11
DE69512632T2 true DE69512632T2 (de) 2000-05-31

Family

ID=8221120

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69512632T Expired - Fee Related DE69512632T2 (de) 1995-03-10 1995-03-10 Verfahren zur Herstellung einer Schwächungslinie in einem wärmeschrumpfbaren Laminat

Country Status (2)

Country Link
EP (1) EP0730944B1 (de)
DE (1) DE69512632T2 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10041020A1 (de) * 2000-08-22 2002-03-07 Topack Verpacktech Gmbh Einrichtung und Verfahren zur Erzeugung wenigstens einer Schwächungslinie an einem flächigen Verpackungsmaterial und Verpackungsmaterial
DE102006046082A1 (de) * 2006-09-28 2008-04-17 Kraussmaffei Technologies Gmbh Kunststoff-Formteil mit Barriereschicht
DE102015006837A1 (de) * 2015-06-02 2016-12-08 Hellermann Tyton Gmbh Verfahren zur Ausführung mit einer Vorrichtung, welche für eine Lasermarkierung eingerichtet ist

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9620412D0 (en) * 1996-09-01 1996-11-20 Elopak Systems A method of treating a laminate
GB0014177D0 (en) * 2000-06-09 2000-08-02 Univ Warwick Science Park Limi Packaging
JP4726312B2 (ja) * 2000-10-05 2011-07-20 株式会社フジシールインターナショナル 切取り線付き熱収縮性フィルムチューブ
JP4971553B2 (ja) * 2001-04-20 2012-07-11 株式会社フジシールインターナショナル 切取り線付き熱収縮性フィルム及び切取り線形成方法
JP4885372B2 (ja) * 2001-05-18 2012-02-29 株式会社フジシールインターナショナル シュリンクラベル付きプラスチック容器
JP4842459B2 (ja) * 2001-07-19 2011-12-21 株式会社フジシールインターナショナル シュリンクフィルム
WO2003022691A2 (en) * 2001-09-07 2003-03-20 Preco Laser Systems, Llc Method of laser machining to create an easy-open load carrying bag
JP4825380B2 (ja) * 2001-09-21 2011-11-30 株式会社フジシールインターナショナル 耐破袋性及び切取り性に優れた切取り線付きチューブ状シュリンクラベル
JP4825382B2 (ja) * 2001-09-28 2011-11-30 株式会社フジシールインターナショナル 耐破袋性に優れた切取り線付きシュリンクチューブ
US7823366B2 (en) * 2003-10-07 2010-11-02 Douglas Machine, Inc. Apparatus and method for selective processing of materials with radiant energy
CN106564668A (zh) 2007-04-05 2017-04-19 艾利丹尼森公司 压敏收缩标签
US8282754B2 (en) 2007-04-05 2012-10-09 Avery Dennison Corporation Pressure sensitive shrink label
JP5914360B2 (ja) 2010-01-28 2016-05-11 エーブリー デニソン コーポレイションＡｖｅｒｙ Ｄｅｎｎｉｓｏｎ Ｃｏｒｐｏｒａｔｉｏｎ ラベル貼付機ベルトシステム
JP5514157B2 (ja) * 2011-06-16 2014-06-04 株式会社フジシールインターナショナル シュリンクフィルム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3790744A (en) * 1971-07-19 1974-02-05 American Can Co Method of forming a line of weakness in a multilayer laminate
FR2356487A1 (fr) * 1976-06-29 1978-01-27 Cebal Capsule de surbouchage inviolable
US5234123A (en) * 1990-09-10 1993-08-10 Pechiney Recherche Easy-open metal-plastic laminate can lid
DE4113714A1 (de) * 1991-04-26 1992-10-29 Hoechst Ag Tiefgezogene verpackung mit integrierten sollbruchstellen und verfahren zu ihrer herstellung
JPH06127535A (ja) * 1992-10-15 1994-05-10 Toyo Aerosol Kogyo Kk 開封用切込みを設けた熱収縮性フイルムの包装方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10041020A1 (de) * 2000-08-22 2002-03-07 Topack Verpacktech Gmbh Einrichtung und Verfahren zur Erzeugung wenigstens einer Schwächungslinie an einem flächigen Verpackungsmaterial und Verpackungsmaterial
DE102006046082A1 (de) * 2006-09-28 2008-04-17 Kraussmaffei Technologies Gmbh Kunststoff-Formteil mit Barriereschicht
DE102015006837A1 (de) * 2015-06-02 2016-12-08 Hellermann Tyton Gmbh Verfahren zur Ausführung mit einer Vorrichtung, welche für eine Lasermarkierung eingerichtet ist
DE102015006837B4 (de) * 2015-06-02 2018-01-04 Hellermann Tyton Gmbh Verfahren zur Ausführung mit einer Vorrichtung, welche für eine Lasermarkierung eingerichtet ist

Also Published As

Publication number Publication date
EP0730944B1 (de) 1999-10-06
EP0730944A1 (de) 1996-09-11
DE69512632D1 (de) 1999-11-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee