BR0113223B1 - processo para a produção de uma parte de fechamento adesiva. - Google Patents

processo para a produção de uma parte de fechamento adesiva.

Info

Publication number
BR0113223B1
BR0113223B1 BRPI0113223-7A BR0113223A BR0113223B1 BR 0113223 B1 BR0113223 B1 BR 0113223B1 BR 0113223 A BR0113223 A BR 0113223A BR 0113223 B1 BR0113223 B1 BR 0113223B1
Authority
BR
Brazil
Prior art keywords
forming
hook elements
backing
stem component
producing
Prior art date
Application number
BRPI0113223-7A
Other languages
English (en)
Other versions
BR0113223A (pt
Inventor
Jan Tuma
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 filed Critical
Publication of BR0113223A publication Critical patent/BR0113223A/pt
Publication of BR0113223B1 publication Critical patent/BR0113223B1/pt

Links

Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B18/00—Fasteners of the touch-and-close type; Making such fasteners
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/222—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length characterised by the shape of the surface
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B18/00—Fasteners of the touch-and-close type; Making such fasteners
    • A44B18/0046—Fasteners made integrally of plastics
    • A44B18/0049—Fasteners made integrally of plastics obtained by moulding processes
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/44—Compression means for making articles of indefinite length
    • B29C43/46—Rollers
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion 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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/35—Extrusion nozzles or dies with rollers
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/44—Compression means for making articles of indefinite length
    • B29C43/46—Rollers
    • B29C2043/461—Rollers the rollers having specific surface features
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/727—Fastening elements
    • B29L2031/729—Hook and loop-type fasteners

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
  • Glass Compositions (AREA)
  • Materials For Medical Uses (AREA)
  • Adornments (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Design And Manufacture Of Integrated Circuits (AREA)
  • Lift Valve (AREA)
  • Supports Or Holders For Household Use (AREA)
  • Closures For Containers (AREA)
BRPI0113223-7A 2000-08-16 2001-07-31 processo para a produção de uma parte de fechamento adesiva. BR0113223B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10039937A DE10039937A1 (de) 2000-08-16 2000-08-16 Verfahren zum Herstellen eines Haftverschlußteils
PCT/EP2001/008834 WO2002013647A2 (de) 2000-08-16 2001-07-31 Verfahren zum herstellen eines haftverschlussteils

Publications (2)

Publication Number Publication Date
BR0113223A BR0113223A (pt) 2003-07-08
BR0113223B1 true BR0113223B1 (pt) 2010-09-08

Family

ID=7652556

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0113223-7A BR0113223B1 (pt) 2000-08-16 2001-07-31 processo para a produção de uma parte de fechamento adesiva.

Country Status (15)

Country Link
US (1) US7198743B2 (pt)
EP (1) EP1309257B1 (pt)
JP (1) JP2004505703A (pt)
KR (1) KR100733737B1 (pt)
CN (1) CN100358450C (pt)
AT (1) ATE330500T1 (pt)
BR (1) BR0113223B1 (pt)
CA (1) CA2417227C (pt)
CZ (1) CZ300919B6 (pt)
DE (2) DE10039937A1 (pt)
DK (1) DK1309257T3 (pt)
PL (1) PL202353B1 (pt)
PT (1) PT1309257E (pt)
WO (1) WO2002013647A2 (pt)
ZA (1) ZA200300780B (pt)

Families Citing this family (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004012067A1 (de) * 2004-03-12 2005-10-06 Gottlieb Binder Gmbh & Co. Kg Verfahren zum Herstellen von Haftelementen auf einem Trägermaterial
DE102004058257B4 (de) * 2004-12-03 2007-05-16 Binder Gottlieb Gmbh & Co Kg Verfahren zum Herstellen einer Trägerbahn sowie Trägerbahn
DE102004062042A1 (de) * 2004-12-23 2006-07-06 Gottlieb Binder Gmbh & Co. Kg Verfahren zum Einfärben einer Trägerbahn
DE102005043452A1 (de) * 2005-09-13 2007-03-22 Gottlieb Binder Gmbh & Co. Kg Verfahren und Vorrichtung zum Herstellen von Befestigungskörpern
JP2007143870A (ja) * 2005-11-28 2007-06-14 Daio Paper Corp 吸収性物品
DE102006028581A1 (de) * 2006-06-22 2007-12-27 Gottlieb Binder Gmbh & Co. Kg Verfahren und Vorrichtung zur Oberflächenfunktionalisierung von Haftverschlußteilen
DE102006039579A1 (de) 2006-08-23 2008-03-13 Gottlieb Binder Gmbh & Co. Kg Festlegesystem und dafür verwendbares Befestigungselement
US8256068B2 (en) * 2007-11-16 2012-09-04 Panduit Corp. Microhook fastener apparatus
DE102007057905A1 (de) * 2007-11-29 2009-06-10 Microtac Systems Ag Haftverschlussteil und Verfahren zur Herstellung eines Haftverschlussteils
DE102008024528A1 (de) 2008-05-21 2009-11-26 Gottlieb Binder Gmbh & Co. Kg Verfahren und Vorrichtung zum Herstellen eines Flächenproduktes sowie das Flächenprodukt selbst
DE102008027860A1 (de) 2008-06-11 2009-12-17 Windhager Handelsgesellschaft M.B.H. Haftverschlussteil und Verfahren zur Herstellung eines Haftverschlussteils
AU2008230017B2 (en) * 2008-10-20 2011-06-16 Taiwan Paiho Limited Method for making mushroom-type hook strap and mushroom-type hook strap made thereby
US9138957B2 (en) 2010-06-21 2015-09-22 3M Innovative Properties Company Slit hook strips and laminates and articles containing the same
DE102010032855A1 (de) 2010-07-30 2012-02-02 Gottlieb Binder Gmbh & Co. Kg Haftverschlussteil
DE102010044660A1 (de) * 2010-09-08 2012-03-08 Gottlieb Binder Gmbh & Co. Kg Haftverschlussteil
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
TWI616195B (zh) 2011-02-16 2018-03-01 ３Ｍ新設資產公司 製造一機械式緊固件之方法、網狀機械式緊固件、及網狀機械式緊固層壓物
EP2545798B1 (en) 2011-07-13 2018-02-21 3M Innovative Properties Company Sanitary product system
PL2849602T3 (pl) 2012-05-16 2018-02-28 3M Innovative Properties Company Sposób wytwarzania mocowania mechanicznego z zastosowaniem powierzchni koronowanej
ES2643559T3 (es) 2012-05-16 2017-11-23 3M Innovative Properties Company Método de fabricación de un dispositivo de fijación mecánica usando discos divergentes
CN104321040B (zh) 2012-05-18 2017-03-08 3M创新有限公司 制备机械紧固件的方法以及包括具有突起的辊的设备
US8889243B2 (en) 2012-08-16 2014-11-18 3M Innovative Properties Company Mechanical fastening nets and methods of making the same
WO2014060368A2 (en) * 2012-10-15 2014-04-24 Velcro Industries B.V. Touch fastening
US9713558B2 (en) 2012-11-16 2017-07-25 3M Innovative Properties Company Absorbent article including laminate and method of making the same
BR112015020014B1 (pt) * 2013-02-22 2020-12-15 Velcro BVBA Método de fabricação de um fecho de contato , elemento de fecho de contato macho e fecho de contato
US9314962B2 (en) 2013-05-10 2016-04-19 3M Innovative Properties Company Method of separating strands on a stretching surface
US9649824B2 (en) 2013-05-23 2017-05-16 3M Innovative Properties Company Laminates including a reticulated thermoplastic film and method of making the same
US9944764B2 (en) 2013-05-23 2018-04-17 3M Innovative Properties Company Reticulated thermoplastic film and method of making the same
EP3007664B1 (en) 2013-06-13 2018-04-18 3M Innovative Properties Company Fastening tape and mechanical fastener including microporous film
EP3007665B1 (en) 2013-06-13 2019-10-23 3M Innovative Properties Company Personal hygiene article and container for the same
WO2015041844A1 (en) 2013-09-18 2015-03-26 3M Innovative Properties Company Articles having a multilayer structure including undercut features interlocked with an adhesive, and methods of making same
WO2015066210A1 (en) 2013-10-30 2015-05-07 3M Innovative Properties Company Fastening laminate and method of making the same
CN107073994B (zh) 2014-10-22 2020-04-10 3M创新有限公司 印刷部件及其制造方法
JP6345882B2 (ja) 2014-11-17 2018-06-20 スリーエム イノベイティブ プロパティズ カンパニー 吸収性物品及び締結積層体
US9976261B2 (en) 2015-05-01 2018-05-22 The Procter & Gamble Company Unitary deflection member for making fibrous structures having increased surface area and process for making same
US9938666B2 (en) * 2015-05-01 2018-04-10 The Procter & Gamble Company Unitary deflection member for making fibrous structures having increased surface area and process for making same
EP3310961A1 (en) 2015-06-19 2018-04-25 The Procter and Gamble Company Seamless unitary deflection member for making fibrous structures having increased surface area
US20180222143A1 (en) 2015-08-14 2018-08-09 3M Innovative Properties Company Composite fabric including structured film and method of forming same
CN108463348A (zh) 2015-12-21 2018-08-28 3M创新有限公司 用拉伸的热塑性层制作层压物的方法
US10844539B2 (en) 2016-10-27 2020-11-24 The Procter & Gamble Company Deflecting member for making fibrous structures
US10676865B2 (en) 2016-10-27 2020-06-09 The Procter & Gamble Company Deflecting member for making fibrous structures
JP6794082B2 (ja) * 2017-02-15 2020-12-02 Ykk株式会社 成形面ファスナー及び成形面ファスナーの製造方法、並びに成形装置
WO2018185818A1 (ja) * 2017-04-03 2018-10-11 Ykk株式会社 成形装置、成形面ファスナーの製造方法、及び成形面ファスナー
WO2018185677A1 (en) 2017-04-05 2018-10-11 3M Innovative Properties Company Diapper ear stock material with fastening component and multiple folds
EP3409253B1 (en) 2017-06-01 2020-10-28 3M Innovative Properties Company A fastening tab with anti-flagging feature
JP6807472B2 (ja) 2017-06-29 2021-01-06 スリーエム イノベイティブ プロパティズ カンパニー メカニカルファスナーの複数のストリップの製造方法
EP3645242A1 (en) 2017-06-29 2020-05-06 3M Innovative Properties Company Method of making a laminate with a stretched thermoplastic layer
US11396725B2 (en) 2017-10-27 2022-07-26 The Procter & Gamble Company Deflecting member for making fibrous structures
CN111315250A (zh) 2017-10-27 2020-06-19 3M创新有限公司 用于可重新闭合的紧固件钩的前体幅材及其制备方法
BR112020010570A2 (pt) 2017-11-27 2020-11-10 3M Innovative Properties Company embalagem refechável que inclui prendedor de autoacoplamento
JP2021504085A (ja) 2017-11-27 2021-02-15 スリーエム イノベイティブ プロパティズ カンパニー 不均等な数のレールセグメント及びポストを有する締結具
TW202005625A (zh) 2018-04-25 2020-02-01 美商3M新設資產公司 製作層壓體之方法
JP2022516868A (ja) 2018-12-31 2022-03-03 スリーエム イノベイティブ プロパティズ カンパニー 微小孔性フィルムを含む物品及びその製造方法
US20220220989A1 (en) 2019-05-23 2022-07-14 3M Innovative Properties Company Fastener for components in electronic device
WO2020240448A1 (en) 2019-05-31 2020-12-03 3M Innovative Properties Company Reclosable package including self-mating fastener and process for making the same
WO2020240449A1 (en) 2019-05-31 2020-12-03 3M Innovative Properties Company Fastener having rail segments and ribs
US20230011702A1 (en) 2019-12-11 2023-01-12 Aplix Molding strip and improved formation method
FR3104387B1 (fr) 2019-12-11 2023-04-28 Aplix Sa Bande de moulage et procédé de formation amélioré.
FR3104388B1 (fr) 2019-12-11 2023-04-28 Aplix Sa Dispositif auto-agrippant amélioré et dispositif de moulage associé.
DE102020006092A1 (de) 2020-10-06 2022-04-07 Gottlieb Binder Gmbh & Co. Kg Körper
WO2022112946A1 (en) 2020-11-28 2022-06-02 3M Innovative Properties Company Article including microporous film and colored adhesive and process of making the same
DE102020007585A1 (de) 2020-12-11 2022-06-15 Gottlieb Binder Gmbh & Co. Kg Verschlussteil
EP4066677A1 (en) 2021-03-31 2022-10-05 3M Innovative Properties Company Reclosable fastener web, method for making the same, fibrous hook and loop closure system, elastic ear and hygiene article
DE102021005940A1 (de) 2021-12-01 2023-06-01 Gottlieb Binder Gmbh & Co. Kg Verfahren zum Herstellen eines Befestigungsbandes
FR3140522A1 (fr) 2022-10-11 2024-04-12 Aplix Dispositif de retenue amélioré et procédé de fabrication associé
WO2024089493A1 (en) 2022-10-27 2024-05-02 3M Innovative Properties Company Porous polymeric membranes including a patterned array of through holes and methods of making same

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4894060A (en) * 1988-01-11 1990-01-16 Minnesota Mining And Manufacturing Company Disposable diaper with improved hook fastener portion
US5116563A (en) * 1990-06-28 1992-05-26 The Procter & Gamble Company Process for producing a mechanical fastener
US5312456A (en) * 1991-01-31 1994-05-17 Carnegie Mellon University Micromechanical barb and method for making the same
JP2731106B2 (ja) * 1993-12-28 1998-03-25 ワイケイケイ株式会社 面ファスナーの製造方法
US5620769A (en) * 1995-05-02 1997-04-15 Ykk Corporation Molded surface fastener and method for manufacturing the same
DE19646318A1 (de) * 1996-11-09 1998-05-14 Binder Gottlieb Gmbh & Co Rationelles Verfahren zur Herstellung eines Haftverschlußteils aus thermoplatischem Kunststoff
JPH10248866A (ja) * 1997-03-10 1998-09-22 Ykk Corp 合成樹脂製の滑り止め部材
US6432339B1 (en) * 1997-08-25 2002-08-13 Velcro Industries B.V. Continuous molding of fastener products with a mold belt
JPH11155613A (ja) * 1997-12-01 1999-06-15 Kao Corp メカニカルホックのオス側シート材
JP4018338B2 (ja) * 1998-05-22 2007-12-05 ゴットリープ ビンダー ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンデイトゲゼルシャフト 接着閉鎖部の製造方法
DE19828856C1 (de) * 1998-06-29 1999-10-07 Binder Gottlieb Gmbh & Co Verfahren zur Herstellung eines Haftverschlußteiles
AR021477A1 (es) * 1998-09-17 2002-07-24 Kimberly Clark Co Un articulo que posee un sistema de sujecion mecanica con secciones con miembros de acoplamiento
JP4377071B2 (ja) * 1998-11-02 2009-12-02 ゴットリープ ビンダー ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンデイトゲゼルシャフト 接着閉鎖要素を生産するための方法

Also Published As

Publication number Publication date
ZA200300780B (en) 2004-02-19
CA2417227A1 (en) 2003-01-29
DK1309257T3 (da) 2006-10-16
PL362505A1 (en) 2004-11-02
US7198743B2 (en) 2007-04-03
ATE330500T1 (de) 2006-07-15
WO2002013647A2 (de) 2002-02-21
JP2004505703A (ja) 2004-02-26
PT1309257E (pt) 2006-10-31
US20040020591A1 (en) 2004-02-05
CZ2003264A3 (cs) 2003-09-17
CN1447658A (zh) 2003-10-08
DE10039937A1 (de) 2002-03-07
WO2002013647A3 (de) 2002-07-25
DE50110276D1 (de) 2006-08-03
KR100733737B1 (ko) 2007-07-02
BR0113223A (pt) 2003-07-08
CZ300919B6 (cs) 2009-09-09
CN100358450C (zh) 2008-01-02
KR20030031977A (ko) 2003-04-23
EP1309257A2 (de) 2003-05-14
CA2417227C (en) 2008-06-03
PL202353B1 (pl) 2009-06-30
EP1309257B1 (de) 2006-06-21

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 31/07/2001, OBSERVADAS AS CONDICOES LEGAIS.

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 31.07.2021