ATE325172T1 - Mikrogerillter schutzfilm - Google Patents

Mikrogerillter schutzfilm

Info

Publication number
ATE325172T1
ATE325172T1 AT03716016T AT03716016T ATE325172T1 AT E325172 T1 ATE325172 T1 AT E325172T1 AT 03716016 T AT03716016 T AT 03716016T AT 03716016 T AT03716016 T AT 03716016T AT E325172 T1 ATE325172 T1 AT E325172T1
Authority
AT
Austria
Prior art keywords
micro
adhesive
automobile
protective film
rails
Prior art date
Application number
AT03716016T
Other languages
English (en)
Inventor
Brian E Spiewak
David W Hegdahl
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
Application granted granted Critical
Publication of ATE325172T1 publication Critical patent/ATE325172T1/de

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/20Adhesives in the form of films or foils characterised by their carriers
    • C09J7/22Plastics; Metallised plastics
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/42Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects extending primarily along the sides of, or completely encircling, a vehicle
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2203/00Applications of adhesives in processes or use of adhesives in the form of films or foils
    • C09J2203/306Applications of adhesives in processes or use of adhesives in the form of films or foils for protecting painted surfaces, e.g. of cars
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00Additional features of adhesives in the form of films or foils
    • C09J2301/10Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/16Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00Additional features of adhesives in the form of films or foils
    • C09J2301/20Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself
    • C09J2301/204Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself the adhesive coating being discontinuous
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/14Layer or component removable to expose adhesive
    • Y10T428/1486Ornamental, decorative, pattern, or indicia
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/2457Parallel ribs and/or grooves
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24612Composite web or sheet
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24744Longitudinal or transverse tubular cavity or cell
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/28Web or sheet containing structurally defined element or component and having an adhesive outermost layer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Adhesive Tapes (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Magnetic Heads (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
  • Laminated Bodies (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
AT03716016T 2002-04-08 2003-02-12 Mikrogerillter schutzfilm ATE325172T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/118,347 US6686026B2 (en) 2002-04-08 2002-04-08 Micro-channeled protective film

Publications (1)

Publication Number Publication Date
ATE325172T1 true ATE325172T1 (de) 2006-06-15

Family

ID=28674405

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03716016T ATE325172T1 (de) 2002-04-08 2003-02-12 Mikrogerillter schutzfilm

Country Status (11)

Country Link
US (1) US6686026B2 (de)
EP (1) EP1492851B1 (de)
JP (1) JP2005522562A (de)
KR (1) KR20040101405A (de)
AT (1) ATE325172T1 (de)
AU (1) AU2003219744A1 (de)
BR (1) BR0308439A (de)
DE (1) DE60305020T2 (de)
MX (1) MXPA04009277A (de)
TW (1) TW200401021A (de)
WO (1) WO2003087251A1 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9016221B2 (en) * 2004-02-17 2015-04-28 University Of Florida Research Foundation, Inc. Surface topographies for non-toxic bioadhesion control
US7650848B2 (en) 2004-02-17 2010-01-26 University Of Florida Research Foundation, Inc. Surface topographies for non-toxic bioadhesion control
WO2005085381A1 (en) * 2004-03-09 2005-09-15 Spear Group Holdings Limited Pressure sensitive film labels for reusable containers
EA011898B1 (ru) * 2004-03-09 2009-06-30 Спир Груп Холдингз Лимитед Этикетка для стеклянной бутылки и способ ее удаления
KR20070104389A (ko) 2005-01-10 2007-10-25 애버리 데니슨 코포레이션 제거 가능한 커얼 라벨들
WO2006076116A1 (en) * 2005-01-12 2006-07-20 Avery Dennison Corporation Adhesive article having improved application properties
US7842375B2 (en) * 2005-05-17 2010-11-30 Rolls-Royce Corporation Fiber retention system for metal matrix composite preform
US20070215272A1 (en) * 2006-02-22 2007-09-20 Process4, Inc. Guide tape
US20100003463A1 (en) * 2006-05-18 2010-01-07 Petoskey Plastics, Inc. Vapor dispersible plastic film with paint adherence & cling
WO2008091386A2 (en) * 2006-08-04 2008-07-31 Northwestern University Biomimetic modular adhesive complex: material, methods and applications therefore
US20080078500A1 (en) * 2006-10-02 2008-04-03 3M Innovative Properties Company Method of manufacturing structured release liner
AU2007317421B2 (en) 2006-11-02 2012-11-15 Avery Dennison Corporation Emulsion adhesive for washable film
DE102007045473A1 (de) 2007-09-21 2009-04-02 Endress + Hauser Flowtec Ag Vorrichtung zur Bestimmung und/oder Überwachung des Durchflusses eines Messmediums durch ein Messrohr
EP2851196A1 (de) 2008-05-05 2015-03-25 A. Schulman, Inc. Mehrschichtige Klar-über-Farbe-Polyolefinblätter und geschichtete Stützstruktur
CN102245314B (zh) * 2008-11-11 2014-11-19 佛罗里达大学研究基金会有限公司 图案化表面的方法以及包含该表面的制品
BRPI1013652B1 (pt) 2009-03-30 2019-05-07 Avery Dennison Corporation Rótulo adesivo removível contendo camada de película polimérica com módulo de tração alto
CN102449677B (zh) 2009-03-30 2016-02-03 艾利丹尼森公司 含具有亲水性的高分子膜层的可移除粘合标签
US20120018098A1 (en) 2009-03-30 2012-01-26 Avery Dennison Corporation Removable Adhesive Label Containing Inherently Shrinkable Polymeric Film
BR112012007272B1 (pt) * 2009-10-02 2021-08-10 Dow Global Technologies Llc Composição formulada, composição modificada para impacto e artigo
US8686087B2 (en) * 2009-10-02 2014-04-01 Dow Global Technologies Llc Block composites in soft compounds
US9937655B2 (en) 2011-06-15 2018-04-10 University Of Florida Research Foundation, Inc. Method of manufacturing catheter for antimicrobial control
US10737374B2 (en) 2014-08-18 2020-08-11 Leo Jaw Grip strap with anti-shock and ventilation effects
US20170129093A1 (en) * 2014-08-18 2017-05-11 Leo Jaw Grip Strap Providing Anti-shock and Ventilating
US9304550B1 (en) 2014-09-29 2016-04-05 Apple Inc. Adhesive bond with integrated release mechanism
KR101953530B1 (ko) * 2014-11-14 2019-03-04 생-고뱅 퍼포먼스 플라스틱스 코포레이션 중합체를 기재에 고정시키는 장치 및 방법
FR3038559B1 (fr) * 2015-07-06 2017-07-21 Peugeot Citroen Automobiles Sa Panneau de protection pour carrosserie de vehicule automobile avec des nervures
US10173394B2 (en) * 2016-05-12 2019-01-08 The Boeing Company Methods and apparatus to vent gas and vapor from a panel via venting channels for a decorative layer
US10647099B2 (en) 2016-05-12 2020-05-12 The Boeing Company Methods and apparatus to form venting channels on a panel for a decorative layer
US11130318B2 (en) 2016-05-12 2021-09-28 The Boeing Company Panels having barrier layers and related methods
US10525685B2 (en) 2016-05-12 2020-01-07 The Boeing Company Methods and apparatus to couple a decorative composite having a reinforcing layer to a panel
US10661530B2 (en) 2016-05-12 2020-05-26 The Boeing Company Methods and apparatus to couple a decorative layer to a panel via a high-bond adhesive layer
US10751982B2 (en) 2016-05-12 2020-08-25 The Boeing Company Methods and apparatus to remove gas and vapor from a panel for a decorative layer

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2861006A (en) 1957-02-19 1958-11-18 Scholl Mfg Co Inc Adhesive tape and method of making the same
US3386846A (en) 1963-06-19 1968-06-04 Nashua Corp Activatable adhesive sheets with peaked areas of lesser potential adhesive tenacity
US4135023A (en) 1974-06-21 1979-01-16 Smith & Nephew Plastics Ltd. Embossed film product and adhesive coated strip formed therefrom
JPS5145137A (de) 1974-10-16 1976-04-17 Unitika Ltd
US5194299A (en) * 1984-10-19 1993-03-16 Minnesota Mining And Manufacturing Company Repositionable pressure-sensitive adhesive sheet material
WO1986004547A1 (en) 1985-02-05 1986-08-14 Avery International Corporation Composite facestocks and liners
US4894060A (en) 1988-01-11 1990-01-16 Minnesota Mining And Manufacturing Company Disposable diaper with improved hook fastener portion
DK340189D0 (da) 1989-07-10 1989-07-10 Jens Villadsens Fabrikker A S Fremgangsmaade til fremstilling af en fuldklaebet belaegning paa et underlag
US5112882A (en) 1989-09-06 1992-05-12 Minnesota Mining And Manufacturing Company Radiation curable polyolefin pressure sensitive adhesive
EP0471854A4 (en) * 1990-03-07 1993-09-01 Tonen Chemical Corporation Label made of polyethylene and method of manufacture thereof
JP2832565B2 (ja) 1991-06-19 1998-12-09 関西ペイント株式会社 自動車塗膜保護用シート
US5268228A (en) * 1992-09-21 1993-12-07 Norwood Industries, Inc. Grooved pressure-sensitive adhesive tape
US5405675A (en) 1992-12-10 1995-04-11 Minnesota Mining And Manufacturing Company Embossed multilayer film
US5407970A (en) 1993-04-13 1995-04-18 Minnesota Mining And Manufacturing Company Radiation-curable poly(α-olefin) adhesives containing pendant olefinic funtionality
JPH0789468A (ja) 1993-09-22 1995-04-04 Nissan Motor Co Ltd 自動車用塗膜保護フィルム
JP3592715B2 (ja) 1993-10-29 2004-11-24 ミネソタ マイニング アンド マニュファクチャリング カンパニー 微細構造化面を有する感圧接着剤
JPH07188625A (ja) 1993-12-27 1995-07-25 Mitsubishi Chem Mkv Co 表面保護フィルム
JPH07216314A (ja) 1994-01-28 1995-08-15 Mitsubishi Chem Mkv Co 自動車用表面保護フィルム
JP3342977B2 (ja) 1994-11-18 2002-11-11 日東電工株式会社 塗膜保護用シート
JP2832579B2 (ja) 1994-11-18 1998-12-09 日東電工株式会社 塗膜保護用シート
JP3399183B2 (ja) 1995-09-28 2003-04-21 日産自動車株式会社 自動車用塗膜保護フィルム
JP2701020B2 (ja) 1995-10-11 1998-01-21 関西ペイント株式会社 自動車塗膜保護用シート
JP3991368B2 (ja) 1996-02-16 2007-10-17 日産自動車株式会社 塗膜保護用フィルムおよび塗膜保護方法
JP3668322B2 (ja) 1996-04-24 2005-07-06 日東電工株式会社 塗膜保護用シート
US5644007A (en) 1996-04-26 1997-07-01 Minnesota Mining And Manufacturing Company Continuous process for the production of poly(1-alkenes)
US5650214A (en) 1996-05-31 1997-07-22 The Procter & Gamble Company Web materials exhibiting elastic-like behavior and soft, cloth-like texture
US6197397B1 (en) 1996-12-31 2001-03-06 3M Innovative Properties Company Adhesives having a microreplicated topography and methods of making and using same
JPH10287852A (ja) 1997-04-14 1998-10-27 Nitto Denko Corp 自動車塗膜保護用シート
JP3926915B2 (ja) 1997-06-26 2007-06-06 日東電工株式会社 塗膜保護用シート
DE19730193A1 (de) 1997-07-15 1999-01-21 Beiersdorf Ag Selbstklebende Schutzfolie
US6106922A (en) 1997-10-03 2000-08-22 3M Innovative Company Coextruded mechanical fastener constructions
US6093466A (en) 1997-11-25 2000-07-25 Sealed Air Corporation Automobile protective masking material
JPH11302605A (ja) 1998-04-17 1999-11-02 Hitachi Chem Co Ltd 自動車塗膜保護用粘着フィルム
JP4065602B2 (ja) 1998-05-14 2008-03-26 スリーエム カンパニー 粘着シート及び粘着シート接着構造体
US6203885B1 (en) 1998-06-18 2001-03-20 3M Innovative Properties Company Cling films having a microreplicated topography and methods of making and using same
JP3961697B2 (ja) 1998-10-07 2007-08-22 日東電工株式会社 自動車塗膜保護用シート
US6524675B1 (en) 1999-05-13 2003-02-25 3M Innovative Properties Company Adhesive-back articles

Also Published As

Publication number Publication date
BR0308439A (pt) 2005-01-18
AU2003219744A1 (en) 2003-10-27
EP1492851B1 (de) 2006-05-03
US20030190458A1 (en) 2003-10-09
KR20040101405A (ko) 2004-12-02
WO2003087251A1 (en) 2003-10-23
TW200401021A (en) 2004-01-16
EP1492851A1 (de) 2005-01-05
MXPA04009277A (es) 2005-01-25
DE60305020T2 (de) 2006-11-09
US6686026B2 (en) 2004-02-03
JP2005522562A (ja) 2005-07-28
DE60305020D1 (de) 2006-06-08

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