TW200714458A - Zoned stretching of a web - Google Patents

Zoned stretching of a web

Info

Publication number
TW200714458A
TW200714458A TW095122530A TW95122530A TW200714458A TW 200714458 A TW200714458 A TW 200714458A TW 095122530 A TW095122530 A TW 095122530A TW 95122530 A TW95122530 A TW 95122530A TW 200714458 A TW200714458 A TW 200714458A
Authority
TW
Taiwan
Prior art keywords
web
cross
stretching
anisotropic
orientation
Prior art date
Application number
TW095122530A
Other languages
Chinese (zh)
Inventor
Byron Mathew Jackson
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of TW200714458A publication Critical patent/TW200714458A/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
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/08—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique transverse to the direction of feed

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

An apparatus and methods for stretching one or more zones of an anisotropic web and anisotropic webs including one or more stretched zones is provided. Each of the stretched zones in the web is stretched in the cross-web direction, i.e., the direction transverse to the down-web direction. The stretching can be performed continuously as the web is advancing through the apparatus in the down-web direction. The method for stretching an extensible web in the cross direction generally is practiced on a substantially continuous, extensible anisotropic web. The cross web stretching occurs in an orientation zone established by an orientation unit. The orientation unit moves the web out of the plane of the web where the web is under tension, but without any side restraints. The web moves over the orientation unit where the degree of orientation is proportional to the cross direction displacement of a portion of the web by the orientation unit. The anisotropic web has a tensile strength in the downweb direction greater than die cross direction such that the web is preferentially displaced in the cross web direction by the orientation unit. This can be a downweb direction tensile strength at least 50 percent greater than the cross web direction.
TW095122530A 2005-06-23 2006-06-22 Zoned stretching of a web TW200714458A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/165,408 US20060288547A1 (en) 2005-06-23 2005-06-23 Zoned stretching of a web

Publications (1)

Publication Number Publication Date
TW200714458A true TW200714458A (en) 2007-04-16

Family

ID=37075510

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095122530A TW200714458A (en) 2005-06-23 2006-06-22 Zoned stretching of a web

Country Status (7)

Country Link
US (1) US20060288547A1 (en)
EP (1) EP1899140A1 (en)
JP (1) JP5086251B2 (en)
AR (1) AR056393A1 (en)
BR (1) BRPI0611915A2 (en)
TW (1) TW200714458A (en)
WO (1) WO2007002058A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114232210A (en) * 2021-11-18 2022-03-25 中原工学院 Melt-blown medical protective material with typha leaf vein structure and preparation method and application thereof

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US10081123B2 (en) 2010-12-31 2018-09-25 Kimberly-Clark Worldwide, Inc. Segmented films with high strength seams
US8895126B2 (en) 2010-12-31 2014-11-25 Kimberly-Clark Worldwide, Inc. Segmented films with high strength seams
US8461372B2 (en) 2011-02-11 2013-06-11 Rao S. Bezwada Amino acid derivatives and absorbable polymers therefrom
US9138031B2 (en) 2011-02-16 2015-09-22 3M Innovative Properties Company Method of making a mechanical fastening strip and reticulated mechanical fastening strip therefrom
US9676164B2 (en) 2011-07-18 2017-06-13 Kimberly-Clark Worldwide, Inc. Extensible sheet material with visual stretch indicator
ES2648224T3 (en) 2012-05-16 2017-12-29 3M Innovative Properties Company Method of manufacturing a mechanical fastener using a convex surface
WO2013172957A1 (en) 2012-05-16 2013-11-21 3M Innovative Properties Company Method of making a mechanical fastener using diverging disks
WO2013170480A1 (en) 2012-05-18 2013-11-21 3M Innovative Properties Company Method of making a mechanical fastener and apparatus including a roller with protrusions
US9314962B2 (en) 2013-05-10 2016-04-19 3M Innovative Properties Company Method of separating strands on a stretching surface
BR112019002567A2 (en) * 2016-08-08 2019-05-21 3M Innovative Properties Company material sheet with loop, method and apparatus for forming it

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114232210A (en) * 2021-11-18 2022-03-25 中原工学院 Melt-blown medical protective material with typha leaf vein structure and preparation method and application thereof

Also Published As

Publication number Publication date
JP5086251B2 (en) 2012-11-28
AR056393A1 (en) 2007-10-10
BRPI0611915A2 (en) 2010-10-05
JP2008546926A (en) 2008-12-25
EP1899140A1 (en) 2008-03-19
US20060288547A1 (en) 2006-12-28
WO2007002058A1 (en) 2007-01-04

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