ATE413267T1 - Verfahren zur herstellung von ausgerichteten schlitzfilmbändern - Google Patents

Verfahren zur herstellung von ausgerichteten schlitzfilmbändern

Info

Publication number
ATE413267T1
ATE413267T1 AT06821701T AT06821701T ATE413267T1 AT E413267 T1 ATE413267 T1 AT E413267T1 AT 06821701 T AT06821701 T AT 06821701T AT 06821701 T AT06821701 T AT 06821701T AT E413267 T1 ATE413267 T1 AT E413267T1
Authority
AT
Austria
Prior art keywords
film tapes
rollers
slit film
tapes
stretching
Prior art date
Application number
AT06821701T
Other languages
English (en)
Inventor
Amit Lohia
Harendra Anand
Original Assignee
Lohia Starlinger 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 Lohia Starlinger Ltd filed Critical Lohia Starlinger Ltd
Application granted granted Critical
Publication of ATE413267T1 publication Critical patent/ATE413267T1/de

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/04Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/06Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
    • B29C55/065Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed in several stretching steps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • B29C48/0022Combinations of extrusion moulding with other shaping operations combined with cutting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07Flat, e.g. panels
    • B29C48/08Flat, e.g. panels flexible, e.g. films
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/28Storing of extruded material, e.g. by winding up or stacking
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/355Conveyors for extruded articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/91Heating, e.g. for cross linking
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911Cooling
    • B29C48/9135Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914Cooling drums
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2793/00Shaping techniques involving a cutting or machining operation
    • B29C2793/0036Slitting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • B29C48/0018Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911Cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2023/00Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04Polymers of ethylene
    • B29K2023/06PE, i.e. polyethylene
    • B29K2023/0608PE, i.e. polyethylene characterised by its density
    • B29K2023/0625LLDPE, i.e. linear low density polyethylene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2023/00Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04Polymers of ethylene
    • B29K2023/06PE, i.e. polyethylene
    • B29K2023/0608PE, i.e. polyethylene characterised by its density
    • B29K2023/065HDPE, i.e. high density polyethylene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2023/00Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10Polymers of propylene
    • B29K2023/12PP, i.e. polypropylene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0005Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
    • B29K2105/0032Pigments, colouring agents or opacifiyng agents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0005Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
    • B29K2105/0047Agents changing thermal characteristics
    • B29K2105/005Heat sensitisers or absorbers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25Solid
    • B29K2105/253Preform
    • B29K2105/256Sheets, plates, blanks or films

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Laminated Bodies (AREA)
  • Liquid Crystal (AREA)
AT06821701T 2005-11-21 2006-11-16 Verfahren zur herstellung von ausgerichteten schlitzfilmbändern ATE413267T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IN3097DE2005 IN266816B (de) 2005-11-21 2006-11-16

Publications (1)

Publication Number Publication Date
ATE413267T1 true ATE413267T1 (de) 2008-11-15

Family

ID=54199450

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06821701T ATE413267T1 (de) 2005-11-21 2006-11-16 Verfahren zur herstellung von ausgerichteten schlitzfilmbändern

Country Status (14)

Country Link
US (1) US8003031B2 (de)
EP (1) EP1915249B1 (de)
CN (1) CN101365575B (de)
AT (1) ATE413267T1 (de)
BR (1) BRPI0618877B1 (de)
DE (1) DE602006003567D1 (de)
EA (1) EA013853B1 (de)
EG (1) EG25090A (de)
ES (1) ES2317589T3 (de)
IN (1) IN266816B (de)
MX (1) MX2008005321A (de)
PL (1) PL1915249T3 (de)
PT (1) PT1915249E (de)
WO (1) WO2007057923A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009046585A1 (de) * 2009-11-10 2011-05-19 Windmöller & Hölscher Kg Vorrichtung und Verfahren zum Längsrecken einer Folienbahn
KR101295525B1 (ko) * 2011-06-17 2013-08-12 (주)이쎌텍 전지의 분리막용 미세다공성 필름 제조 장치 및 그 장치를 이용한 필름 제조방법
US20130045346A1 (en) * 2011-08-15 2013-02-21 Greif Flexibles Trading Holding B.V. Oriented Tape For The Production Of Woven Fabrics And Products Produced Therefrom
JP6340274B2 (ja) * 2013-10-30 2018-06-06 パナソニック株式会社 ポリプロピレン成形体の製造方法
DE102013019304A1 (de) 2013-11-16 2015-05-21 Oerlikon Textile Gmbh & Co. Kg Verfahren zur Herstellung von synthetischen Folienbändchen
KR101555319B1 (ko) * 2014-06-18 2015-09-25 대은산업(주) 가열장치 및 이를 구비하는 포장용 밴드 제조장치
US10675598B2 (en) * 2015-03-24 2020-06-09 South Dakota Board Of Regents High shear thin film machine for dispersion and simultaneous orientation-distribution of nanoparticles within polymer matrix
MX2018001257A (es) * 2015-07-30 2018-07-06 Paragon Films Inc PELíCULA DE ESTIRAMIENTO EN CAPAS PURA PRODUCIDA USANDO RESINAS DE EXTRUSIí“N DE UN SOLO PASO.
US11207850B2 (en) * 2017-10-31 2021-12-28 Illinois Tool Works Inc. Method for conditioning a load bearing surface and a surface formed thereby
US12202185B2 (en) * 2018-07-09 2025-01-21 Unipres Corporation Continuous molding method and continuous molding apparatus of press molded product
EP4554779A2 (de) * 2022-07-11 2025-05-21 Starlinger & Co Gesellschaft m.b.H. Annealing modul einer vorrichtung zur herstellung verstreckter thermoplastischer kunststoffbändchen
CN220052780U (zh) * 2022-12-17 2023-11-21 青岛新大成塑料机械有限公司 膜片用挤出模头组件及挤出生产线

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1779375B1 (de) 1968-08-03 1972-05-04 Kalle Ag Vorrichtung zum strecken einer folienbahn aus thermoplastischem kunststoff
GB1275290A (en) * 1968-07-12 1972-05-24 Kalle Ag Improvements in and relating to the manufacture of monoaxially stretched films
US3800008A (en) * 1971-08-05 1974-03-26 Du Pont Oriented polymer strap
US4113935A (en) * 1973-06-06 1978-09-12 Barmag Barmer Maschinenfabrik Ag Process for producing low shrinkage film bands
GB1407580A (en) * 1974-03-01 1975-09-24 Asahi Chemical Ind Unaxially stretched films of good dimensional stability and anti-fibrillation
US4022863A (en) 1975-06-04 1977-05-10 Caristrap Corporation Polymer plastic strapping from polyethylene terephthalate
JPS578118A (en) * 1980-06-20 1982-01-16 Mitsubishi Petrochem Co Ltd Biaxially oriented polypropylene film and manufacture thereof
US4503007A (en) * 1983-01-14 1985-03-05 Tsukasa Kasei Kogyo Kabushiki Kaisha Polypropylene strap and method of manufacturing the same
DE3909092A1 (de) * 1988-12-19 1990-06-21 Windmoeller & Hoelscher Verfahren und vorrichtung zur herstellung mehrlagiger verstreckter baendchen
US5851610A (en) * 1991-02-07 1998-12-22 Applied Extrusion Technologies, Inc. Shrink films and articles including the same
US5525287A (en) * 1992-10-09 1996-06-11 Signode Corporation Method for producing oriented plastic strap
US5660787A (en) * 1992-10-09 1997-08-26 Illinois Tool Works Inc. Method for producing oriented plastic strap
US5525391A (en) * 1993-11-08 1996-06-11 Samuel Manu-Tech, Inc. Plastic strap
US6054086A (en) * 1995-03-24 2000-04-25 Nippon Petrochemicals Co., Ltd. Process of making high-strength yarns
GB9620692D0 (en) * 1996-10-04 1996-11-20 Vantage Polymers Limited Olefin polymers
US5958566A (en) * 1997-10-17 1999-09-28 Fina Technology, Inc. Metal bond strength in polyolefin films
EP1277573A1 (de) 2001-07-19 2003-01-22 Lankhorst Indutech B.V. Polyolefinband oder -garn
US6758994B2 (en) * 2002-03-28 2004-07-06 Fina Technology, Inc. Method of producing polypropylene tapes
US20040084802A1 (en) * 2002-11-02 2004-05-06 Morin Brian G. Method of producing low-shrink polypropylene tape fibers comprising high amounts of nucleating agents
US20060009603A1 (en) * 2004-07-09 2006-01-12 David Young Fibrillation-resistant polypropylene tape
TWI352753B (en) * 2004-10-05 2011-11-21 Barmag Spinnzwirn Gmbh Process and apparatus for the production of tapes

Also Published As

Publication number Publication date
US20080258333A1 (en) 2008-10-23
EA013853B1 (ru) 2010-08-30
DE602006003567D1 (de) 2008-12-18
EP1915249B1 (de) 2008-11-05
BRPI0618877B1 (pt) 2018-02-06
MX2008005321A (es) 2008-09-11
CN101365575B (zh) 2012-03-21
US8003031B2 (en) 2011-08-23
CN101365575A (zh) 2009-02-11
ES2317589T3 (es) 2009-04-16
BRPI0618877A2 (pt) 2011-09-13
EP1915249A1 (de) 2008-04-30
EG25090A (en) 2011-08-10
PT1915249E (pt) 2008-11-25
PL1915249T3 (pl) 2009-04-30
WO2007057923A1 (en) 2007-05-24
IN266816B (de) 2015-06-03
EA200801380A1 (ru) 2009-04-28

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