ATE418T1 - METHOD FOR SIMULTANEOUS BIAXIAL STRETCHING OF A PLASTIC FILM AND DEVICE FOR CARRYING OUT THE METHOD. - Google Patents

METHOD FOR SIMULTANEOUS BIAXIAL STRETCHING OF A PLASTIC FILM AND DEVICE FOR CARRYING OUT THE METHOD.

Info

Publication number
ATE418T1
ATE418T1 AT79200752T AT79200752T ATE418T1 AT E418 T1 ATE418 T1 AT E418T1 AT 79200752 T AT79200752 T AT 79200752T AT 79200752 T AT79200752 T AT 79200752T AT E418 T1 ATE418 T1 AT E418T1
Authority
AT
Austria
Prior art keywords
stretching
film web
pct
longitudinal
threaded spindles
Prior art date
Application number
AT79200752T
Other languages
German (de)
Inventor
Friedrich Freiherr Von Und Zu Aufsess
Guenter Huxhorn
Hans Pohl
Wolfgang Sasse
Original Assignee
Unilever Nv
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 Unilever Nv filed Critical Unilever Nv
Application granted granted Critical
Publication of ATE418T1 publication Critical patent/ATE418T1/en

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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • B29C55/16—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial simultaneously
    • B29C55/165—Apparatus therefor

Abstract

PCT No. PCT/EP79/00098 Sec. 371 Date Jun. 10, 1980 Sec. 102(e) Date Jun. 10, 1980 PCT Filed Dec. 11, 1979 PCT Pub. No. WO80/01149 PCT Pub. Date Jun. 12, 1980. In an apparatus for the biaxial, simultaneous stretching of a flat film web from particularly polypropylene, the edges of the film web 1 are engaged by grippers 3, which in the stretching zone 9 are driven by divergent threaded spindles 5, and at least part of the stretching in longitudinal direction is effected, by means of a progressive pitch of the threaded spindles, simultaneously with part of the transverse stretching. Subsequent to the progressive pitch a thread with degressive pitch is provided, preferably at the end of the threaded spindles, effecting shrinkage of the previously stretched film web in longitudinal-direction, while preferably simultaneously the film web is further stretched in transverse direction. The shrinking of the film web takes place over about 5 to 10% of the spindle length at up to 10% of the previously produced longitudinal stretching, to the longitudinal stretching degree desired in the finished film.
AT79200752T 1978-12-11 1979-12-11 METHOD FOR SIMULTANEOUS BIAXIAL STRETCHING OF A PLASTIC FILM AND DEVICE FOR CARRYING OUT THE METHOD. ATE418T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2853398A DE2853398C3 (en) 1978-12-11 1978-12-11 Method and device for simultaneous biaxial stretching of a plastic film web
EP79200752A EP0013046B1 (en) 1978-12-11 1979-12-11 Process for simultaneously biaxially stretching a thermoplastic synthetic resin foil and device for carrying out said process

Publications (1)

Publication Number Publication Date
ATE418T1 true ATE418T1 (en) 1981-12-15

Family

ID=6056828

Family Applications (1)

Application Number Title Priority Date Filing Date
AT79200752T ATE418T1 (en) 1978-12-11 1979-12-11 METHOD FOR SIMULTANEOUS BIAXIAL STRETCHING OF A PLASTIC FILM AND DEVICE FOR CARRYING OUT THE METHOD.

Country Status (7)

Country Link
US (1) US4330499A (en)
EP (1) EP0013046B1 (en)
JP (1) JPS6245812B2 (en)
AT (1) ATE418T1 (en)
DE (2) DE2853398C3 (en)
MX (1) MX153348A (en)
WO (1) WO1980001149A1 (en)

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US6303067B1 (en) 1998-11-13 2001-10-16 3M Innovative Properties Company Method of stretching films according to an overbias or overstretch stretch profile
US6358457B1 (en) 1998-11-13 2002-03-19 3M Innovative Properties Company Method of stretching films according to an overbias or overstretch profile
US6444152B1 (en) * 1999-01-12 2002-09-03 Illinois Tool Works Inc. Method for capturing stretched fabrics in carrier frames
US6630231B2 (en) * 1999-02-05 2003-10-07 3M Innovative Properties Company Composite articles reinforced with highly oriented microfibers
US6110588A (en) 1999-02-05 2000-08-29 3M Innovative Properties Company Microfibers and method of making
US6331343B1 (en) 1999-05-07 2001-12-18 3M Innovative Properties Company Films having a fibrillated surface and method of making
US6586073B2 (en) 1999-05-07 2003-07-01 3M Innovative Properties Company Films having a microfibrillated surface and method of making
US6451425B1 (en) 1999-06-16 2002-09-17 3M Innovative Properties Company Adhesive tape backing
US20030207105A1 (en) * 1999-06-16 2003-11-06 3M Innovative Properties Company Backing for adhesive tape and such tape
US7037461B1 (en) 1999-12-21 2006-05-02 3M Innovative Properties Company Method of stretching film
US6638637B2 (en) 2000-02-16 2003-10-28 3M Innovative Properties Company Oriented multilayer polyolefin films
US20030211281A1 (en) * 2000-06-14 2003-11-13 Carsten Franke Laminate and its use
US6635334B1 (en) 2000-08-08 2003-10-21 3M Innovative Properties Company Cloth-like polymeric films
US6420024B1 (en) * 2000-12-21 2002-07-16 3M Innovative Properties Company Charged microfibers, microfibrillated articles and use thereof
US6680114B2 (en) 2001-05-15 2004-01-20 3M Innovative Properties Company Fibrous films and articles from microlayer substrates
US6916440B2 (en) * 2001-05-31 2005-07-12 3M Innovative Properties Company Processes and apparatus for making transversely drawn films with substantially uniaxial character
US6645618B2 (en) 2001-06-15 2003-11-11 3M Innovative Properties Company Aliphatic polyester microfibers, microfibrillated articles and use thereof
US6890649B2 (en) * 2002-04-26 2005-05-10 3M Innovative Properties Company Aliphatic polyester microfibers, microfibrillated articles and use thereof
US7153122B2 (en) * 2002-05-28 2006-12-26 3M Innovative Properties Company Apparatus for making transversely drawn films with substantially uniaxial character
US6949212B2 (en) * 2002-11-27 2005-09-27 3M Innovative Properties Company Methods and devices for stretching polymer films
US6936209B2 (en) * 2002-11-27 2005-08-30 3M Innovative Properties Company Methods and devices for processing polymer films
US6965474B2 (en) * 2003-02-12 2005-11-15 3M Innovative Properties Company Polymeric optical film
US7132065B2 (en) 2003-02-12 2006-11-07 3M Innovative Properties Company Process for manufacturing polymeric optical film
US7405784B2 (en) * 2003-02-12 2008-07-29 3M Innovative Properties Company Compensators for liquid crystal displays with biaxially stretched single film with crystallization modifier
US7138169B2 (en) 2003-03-05 2006-11-21 3M Innovative Properties Company Cloth-like polymeric film with directional tear
US7897078B2 (en) * 2004-03-09 2011-03-01 3M Innovative Properties Company Methods of manufacturing a stretched mechanical fastening web laminate
US20060138702A1 (en) * 2004-12-23 2006-06-29 Biernath Rolf W Method of making uniaxially oriented articles having structured surfaces
US20060138694A1 (en) * 2004-12-23 2006-06-29 Biernath Rolf W Method of making a polymeric film having structured surfaces via replication
US20060138686A1 (en) * 2004-12-23 2006-06-29 Ouderkirk Andrew J Method of making a uniaxially stretched polymeric film having structured surface
US20060138705A1 (en) * 2004-12-23 2006-06-29 Korba Gary A Method of making a structured surface article
US20060141218A1 (en) * 2004-12-23 2006-06-29 Biernath Rolf W Uniaxially oriented articles having structured surface
US20060204720A1 (en) * 2004-12-23 2006-09-14 Biernath Rolf W Uniaxially oriented birefringent article having a structured surface
US20060141220A1 (en) * 2004-12-23 2006-06-29 Merrill William W Uniaxially oriented article having a structured surface
US20060141219A1 (en) * 2004-12-23 2006-06-29 Benson Olester Jr Roll of a uniaxially oriented article having a structured surface
WO2006110402A1 (en) 2005-04-08 2006-10-19 3M Innovative Properties Company Heat setting optical films
US7418202B2 (en) * 2005-08-04 2008-08-26 3M Innovative Properties Company Article having a birefringent surface and microstructured features having a variable pitch or angles for use as a blur filter
WO2007034973A1 (en) * 2005-09-21 2007-03-29 Fujifilm Corporation Producing method of polymer film
KR101337323B1 (en) * 2005-09-21 2013-12-05 후지필름 가부시키가이샤 Solution casting method
US8795565B2 (en) 2006-02-21 2014-08-05 Celgard Llc Biaxially oriented microporous membrane
US9134471B2 (en) * 2006-06-28 2015-09-15 3M Innovative Properties Company Oriented polymeric articles and method
JP4845619B2 (en) * 2006-07-19 2011-12-28 東芝機械株式会社 Sheet / film oblique stretching method and clip-type sheet / film stretching apparatus
CN101489761B (en) * 2006-07-19 2012-11-28 东芝机械株式会社 Clip type sheet/film stretching device
DE112008000240B4 (en) * 2007-01-23 2015-08-20 Toshiba Kikai K.K. Sheet or Film Staple Stretch Device
JP5366426B2 (en) * 2008-04-04 2013-12-11 東芝機械株式会社 Method for forming porous film and sequential biaxial stretching apparatus for forming porous film
US20110223486A1 (en) 2010-03-12 2011-09-15 Xiaomin Zhang Biaxially oriented porous membranes, composites, and methods of manufacture and use
PL2574247T3 (en) 2011-09-28 2020-03-31 Philip Morris Products S.A. Permeable electric heat resistant foil for evaporating liquids out of disposable mouthpieces with evaporator nozzles
JP5755675B2 (en) 2013-03-29 2015-07-29 日東電工株式会社 Method for producing retardation film and method for producing circularly polarizing plate
JP5755674B2 (en) * 2013-03-29 2015-07-29 日東電工株式会社 Method for producing retardation film and method for producing circularly polarizing plate
JP5755684B2 (en) 2013-06-10 2015-07-29 日東電工株式会社 Method for producing retardation film and method for producing circularly polarizing plate
DE102014013901A1 (en) 2014-09-18 2016-03-24 Brückner Maschinenbau GmbH & Co. KG Linear motor driven simultaneous stretching machine
JP6913332B2 (en) * 2018-07-09 2021-08-04 株式会社市金工業社 Sheet-like material transfer device and sheet-like material processing device equipped with this
JP6913333B2 (en) * 2018-07-23 2021-08-04 株式会社市金工業社 Sheet-like material transfer device and sheet-like material processing device equipped with this

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US3123854A (en) * 1964-03-10 Apparatus for biaxial stretching of thermoplastic
US2618012A (en) * 1948-05-14 1952-11-18 American Viscose Corp Method and apparatus for two-way stretching a continuous sheet
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US3014234A (en) * 1959-12-21 1961-12-26 American Viscose Corp Method and apparatus for biaxially stretching films
GB936965A (en) * 1959-12-30 1963-09-18 Bx Plastics Ltd Web stretching apparatus
DE1234374B (en) * 1961-03-21 1967-02-16 Brueckner Trocknerbau Inh Gern Device for biaxially stretching a material web in longitudinal and transverse directions
DE1629562B2 (en) * 1965-01-28 1972-07-06 Unitika K.K., Amagasaki, Hyogo (Japan) PROCESS FOR BIAXIAL RACKING OF POLYAMIDE SHEETS
US3502766A (en) * 1965-01-28 1970-03-24 Nippon Rayon Kk Process for the improvement of polyamide films
US3632728A (en) * 1968-12-31 1972-01-04 Nippon Rayon Kk Simultaneous biaxial drawing process for polyamide films
CS157215B1 (en) * 1971-01-28 1974-09-16
DE2110625C3 (en) * 1971-03-05 1980-09-04 Willi Johann 6204 Taunusstein Schmidt Process for spreading plastic film webs
US3840006A (en) * 1973-04-26 1974-10-08 Department Of Health Education Respirator

Also Published As

Publication number Publication date
JPS55501054A (en) 1980-12-04
DE2853398B2 (en) 1980-11-20
WO1980001149A1 (en) 1980-06-12
MX153348A (en) 1986-10-01
EP0013046A1 (en) 1980-07-09
EP0013046B1 (en) 1981-11-25
DE2961476D1 (en) 1982-01-28
US4330499A (en) 1982-05-18
DE2853398C3 (en) 1981-09-17
DE2853398A1 (en) 1980-06-12
JPS6245812B2 (en) 1987-09-29

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