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WO2018124992A1 - Procédé et appareil de production de fermetures à crochets - Google Patents

Procédé et appareil de production de fermetures à crochets Download PDF

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Publication number
WO2018124992A1
WO2018124992A1 PCT/TR2016/050575 TR2016050575W WO2018124992A1 WO 2018124992 A1 WO2018124992 A1 WO 2018124992A1 TR 2016050575 W TR2016050575 W TR 2016050575W WO 2018124992 A1 WO2018124992 A1 WO 2018124992A1
Authority
WO
WIPO (PCT)
Prior art keywords
hooks
hook
polymeric film
fiber material
plasma treatment
Prior art date
Application number
PCT/TR2016/050575
Other languages
English (en)
Inventor
Fikret Koc
Serdar Soylemez
Eylem CANBOLAT
Original Assignee
Hayat Kimya San. A. Ş.
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 Hayat Kimya San. A. Ş. filed Critical Hayat Kimya San. A. Ş.
Priority to PCT/TR2016/050575 priority Critical patent/WO2018124992A1/fr
Publication of WO2018124992A1 publication Critical patent/WO2018124992A1/fr

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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
    • 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
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C59/022—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing characterised by the disposition or the configuration, e.g. dimensions, of the embossments or the shaping tools therefor
    • B29C59/025—Fibrous surfaces with piles or similar fibres substantially perpendicular to the surface
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/14—Surface shaping of articles, e.g. embossing; Apparatus therefor by plasma treatment
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/14—Surface shaping of articles, e.g. embossing; Apparatus therefor by plasma treatment
    • B29C2059/145—Atmospheric plasma
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts

Definitions

  • the present invention relates to a method of producing hooks (2) on polymeric material (1 ) as fastener element having a plurality of interlocking means wherein, the atmospheric plasma treatment is applied to form hooks (2).
  • the bonding strength of the formed hooks (2) is improved on the receiving surface such as, nonwoven based receiving surfaces.
  • Fastener element is produced by applying atmospheric plasma on polymeric material to soften polymeric material and shaping it as hooks (2) between a molding cylinder (4) and free cylinder (6) wherein the method does not require applying additional high amount of pressure or heat on the polymer surface.
  • Used polymeric material may be synthetic polymeric materials (1 ) or nonwoven based materials such as; polymer films, layers, fibers or web structures and can be shaped in any form after treated with atmospheric plasma.
  • atmospheric plasma treatment method the surface energy of the polymeric material is increased which enables processing the polymeric material easily.
  • formed hooks (2) by plasma treatment can withstand mechanical forces and leads to improved bonding strength.
  • Methods of forming free formed hooks (2) require mainly synthetic polymeric materials (1 ) or nonwoven materials.
  • the applied process is more feasible comparing with the other method mentioned but, an additional power is applied on polymer to force it into the cavities (16) of the molding cylinder (4). That will require an additional source for continuous processes.
  • applied pressure on polymer can deform the characteristics of polymer on production line. It has been known that high pressure is applied to shape the polymer which is softened by vibrational energy. Applying high pressure by shaping the polymer, can cause deformation of hooks (2) and reduce the bonding strength of the fastening system.
  • the polymeric material (1 ) can lose its rigidity to be bonded directly on receiving surfaces.
  • applied plasma treatment method to produce hook (2) is a softer technique comparing to other methods known in the art.
  • hooks (2) as mechanical fasteners by using calendar type forming technology or ultrasonic bonding technology are well known in the prior art.
  • Formed hooks (2) by state of the art technologies have low bonding strength on receiving surfaces, such as nonwoven surfaces.
  • said hooks (2) produced by known methods are deformed easily after repeated fastenings and lose their fastening capability. This shows that, the hooks (2) formed by known technologies cannot withstand mechanical forces by repetitive uses.
  • Hooks (2) obtained by calendar type forming technology or ultrasonic bonding technology have similar characteristics.
  • the products, obtained by using known technologies in the prior art, have nearly same bonding capacity.
  • treatment of polymer surfaces with plasma to form hooks (2) proves to be an improved method to shape the polymeric material (1 ) easily without deforming polymeric material (1 ).
  • bonding strength of hooks (2) on receiving surfaces can be improved.
  • Plasma treatment method can be used as an improved method instead of known technologies.
  • applied atmospheric plasma treatment method will not require additional heat and high pressure on polymer surface to shape it. That is the significant technical advantage of atmospheric plasma plasma treatment over other technologies.
  • the processes of treatment of polymeric materials (1 ) to decrease their surface tension for providing adhesive action efficacy are known in the art.
  • the plasma treatment process additionally increases the surface energy of the polymeric material (1 ) that will facilitate the shaping of the hooks (2), which enhances the bonding strength of the material to a receiving surface.
  • the corona treatment is the simple plasma treatment method which is used for this purpose is generated by the application of high voltage to sharp electrode tips which forms plasma at the ends of the sharp tips.
  • corona treatment requires high frequency power generator, high voltage energy.
  • vacuum plasma treatment can be applied on polymeric materials (1 ), but again a vacuum chamber reactor will be needed for processing, which will require high energy and special equipment.
  • the atmospheric plasma treatment method is an alternative method of these treatment methods. Considering these disadvantages, atmospheric plasma treatment method can be seen as a feasible method for synthetic polymers based on their application area.
  • EP0603189 relates to a method of manufacturing prongs as a component of mechanical fastening system.
  • the method requires additional heat to soften thermally sensitive material for processing. By the way heated material up to its melting point has reduced viscosity and easily shaped with rolls having prongs on its surface.
  • the method requires an additional energy source to heat the material which will not be a practical and economic method in continuous industry production lines.
  • applied heat on polymer surface can easily damage the nature of the polymer.
  • Additionally formed prongs on fastening system show nearly same characteristics with other prongs produced by known techniques in the prior art. There is not an improved characteristics of prongs are observed.
  • US2010180407 relates to a process for forming projections for use as hook (2) fastener in touch fastening system.
  • ultrasonic vibrational energy is used to extrude the substrate that will be processed to form hook (2).
  • Extruded substrate is shaped between a cylindrical mold and vibrational energy source by applying high amount of pressure. The application is directly related with production of hooks (2) but it does not show any improved characteristics of hook (2). Additionally applied pressure on polymer to shape it, will not be feasible to obtain high quality products.
  • hook (2) fasteners on polymer surface are produced by using soft plasma operating on different feeding gases, such as; air, Ar, N 2 , etc...
  • the plasma treatment of polymer surfaces is routinely used to enhance surface properties prior to bonding properties.
  • This application provides the favourable plasma treatment conditions by using N 2 gases as a plasma source on the surface activation of synthetic polymer film or fiber.
  • the surface of polymeric materials (1 ) has chemically inert and hard nature to be shaped and therefore exhibits poor bonding properties and there exists a need that shaping of the polymers is to be facilitated. It has been found that for successful application of polymeric materials to form structural parts, they need to have certain surface properties such as; high polarity or high surface energy.
  • This application is related to a method of producing hook (2) fasteners on a polymeric film or fiber material, fiber or web structure and discloses the effect of atmospheric plasma treatment on shaping the polymer surfaces. Moreover, this application shows that, formed hooks (2) have improved bonding properties on receiving surfaces.
  • It is another aim of the present invention is to use this method to shape the synthetic polymeric film or fiber easily to form hooks (2) applying atmospheric plasma on polymeric surface to soften and shape it easily without deforming polymeric material (1 ) surface.
  • the present invention provides an appropriate treatment method for high speed production lines at low pressure without applying temperature on softened surface of polymer film or fiber to produce hooks (2).
  • improved bonding stregth of hooks (2) on receiving surface is obtained.
  • improved mechanical resistance to force applied on bonding by increasing surface energy by using soft plasma treatment under source of N 2 gases.
  • hooks (2) are shaped easily by plasma treatment under source of N 2 gase by softening the synthetic polymeric film (1 ) or fiber.
  • the polymeric material (1 ) such as polymer films or web structures are not damaged on production lines.
  • the temperature is increased up to 160-240 °C by source of plasma. There is no need to apply additional heat to soften the polymeric material (1 ) such as film or fiber.
  • the contact temperature of the plasma application device (14) with the polymeric film or fiber surface is between 3 to 25 °C. Furthermore, in the present method there is no need to apply additional heat to soften the polymeric material (1 ).
  • Another object of the present invention is to use gases such as; oxygen, hydrogen, nitrogen, argon, helium, xenon, carbon dioxide, nitrous oxide, nitrogen monoxide and nitrogen dioxide or a mixture thereof as plasma gases source.
  • gases such as; oxygen, hydrogen, nitrogen, argon, helium, xenon, carbon dioxide, nitrous oxide, nitrogen monoxide and nitrogen dioxide or a mixture thereof as plasma gases source.
  • Another object of the present invention is using nitrogen gas to obtain plasma.
  • Fig. 1 illustrates calendar type hook forming technology.
  • Fig. 2 illustrates ultrasound type hook forming technology.
  • Fig. 3 illustrates the design of plasma treatment technology applied in the present invention.
  • Fig. 4 illustrates different shape of hooks that can be produced according to present invention.
  • Fig. 5 is a plan view of a mechanism of hook and loop fastening system according to the present invention.
  • Fig. 6 schematically illustrates an exemplary embodiment of the process of the present invention.
  • Hook (2) fasteners have generally been formed by known technologies of, thermoplastic extrusion on calender type forming method or ultrasound method (10) using molding calendar (4) with a high pressure applied on the surface of the substrate polymeric material (1 ) to be shaped as fastening member such as; hooks (2) or projections.
  • a high pressure applied on the surface of the substrate polymeric material (1 ) to be shaped as fastening member such as; hooks (2) or projections In said processes, there is a need of an additional source of heat or pressure to soften the polymeric material (1 ) to be shaped. Elevated temperatures applied on the polymer surface may destroy polymeric nature of the material. Furthermore, continuously applying of high pressure on the polymer surface to obtain the specified shape may deform the surface of the polymeric material (1 ). These two main problems become important for manufacturing of hook (2) fasteners. There is a need to develop an improved, softer method to produce hook (2) fasteners without deforming polymeric film or fiber material (1 ) and having high bonding performance.
  • the known treatment processes are frequently employed directly on the surfaces of polymer films, sheets, webs or other substrates.
  • the plasma treatment method can also be employed on such kind of substrates.
  • the plasma is described in more detail in the literature which is a matter that exists in the form of ions and electrons. Basically, it is a gas that's been charged electrically with freely moving electrons in both the negative and positive state. Since plasma consists of electrons, molecules or neutral gas atoms, positive ions, UV light along with excited gas molecules and atoms, it carries a good amount of internal energy. Surfaces in contact with the gas plasma are bombarded by these energetic species and their energy is transferred from the plasma to the solid.
  • Plasma treatment is offering an attractive alternative to add new functionalities such as water repellence, long- term hydrophilicity, adhesion strength, mechanical, electrical and antibacterial properties as well as biocompatibility due to the nano-scaled modification on textiles and fibers.
  • new functionalities such as water repellence, long- term hydrophilicity, adhesion strength, mechanical, electrical and antibacterial properties as well as biocompatibility due to the nano-scaled modification on textiles and fibers.
  • the bulk properties as well as the touch of the textiles remain unaffected.
  • Plasma processes can be grouped into two main classes as low density and high density, according to their electron temperature versus electron density.
  • There are different surface modification application techniques with plasma which are based on these classes such as; low pressure and atmospheric plasma.
  • low pressure plasma is generated in closed vacuum chamber, for that reason it does not have inline production capability and also, a bigger pump is required to reach the necessary process pressure.
  • the cold plasma method also requires a vacuum reactor, high temperature and high energy levels for the application. Due to the requirement of a vacuum chamber, they are not appropriate for inline production adaptation and also have high energy and temperature requirement. As such its use is restricted and disadvantageous for the treatment of polymer nonwoven surfaces inline.
  • hooks (2) have been produced by applying soft atmospheric plasma treatment on polymer film or fiber surface with improved bonding strength on receiving surface.
  • Atmospheric pressure plasma as the choice of the present inventors has an important advantage such as no reaction vessel is needed to ensure the maintenance of a pressure level thereby it can be integrated in the production line which is the aim of the present inventor. Bonding capacity of a polymer film or fiber can be improved by implementing atmospheric pressure plasma method with ease of handling and cost saving.
  • the synthetic polymer films or fibers are modified to be widely used in hygiene articles such as; disposable articles, diapers, feminine care products, wipes, etc. because of its beneficial properties and low cost ratios.
  • the modified polymer film or fiber materials can be used in any part of disposable articles such as; hook fasteners, mini tapes or elastic laminate parts.
  • a fastening element for an absorbent article has a base sheet configured by a nonwoven fabric material and a hook (2) sheet in which a plurality of engagement hooks are provided.
  • the main problems of shaped synthetic polymeric materials (1 ) used as a part of fastening system for absorbent articles are low bonding strength on the receiving surface that the hook (2) fasteners are attached on.
  • known technologies can be applied on polymer film or fiber to form hooks (2), surface treatment by atmospheric plasma treatment might have superior properties to improve hook's (2) bonding strength on receiving surfaces besides having improved mechanical resistance.
  • a typical fastening system for use with absorbent articles may have a fastening element which is called as hooks (2) and a landing member which is named as receiving surface in the present invention also known as a landing zone that comprises loop (12) structures.
  • the fastening element having hooks (2) on may be bonded to the landing member, which is stated as refastenable system which may be provided with, e.g., hooks (2) on the fastening tape that releasably engage loops (12) disposed on the landing member, or vice versa.
  • the problem is in some cases the hooks (2) cannot be bonded on the receiving surface perfectly which are felt by the user and caregiver not to fit. Therefore the users have to refasten article more than two or three times which will deform the physical structure of hooks (2) and loops (12).
  • the present invention is described in detail in the following exemplary embodiments; In one exemplary embodiment, the present invention relates to a method of forming hooks (2) on polymeric material (1 ) surface by applying atmospheric plasma treatment.
  • the present invention is directed to an apparatus for forming hooks (2) on polymeric material (1 ) comprising a molding roll cylinder (4), a plasma application device (14), a free rolling cylinder and an idle cylinder (8) wherein the molding cylinder (4) comprising cavities (16) having different shapes, that shapes form hooks (2) .
  • an atmospheric plasma application device (14) such as a gase source, can be placed in front of the rolling cylinders as shown in Fig. 3. This may be followed with a molding cylinder (4) roll having plurality of cavities (16), wherein the cavities (16) have shape as like hooks (2) to form fastening members as shown in Fig. 3.
  • the atmospheric plasma application device (14) can be placed under the molding cylinder (4) or can be attached inside of the molding cylinder (4).
  • said cavities (16) may have any shape to form fastening members such as; hooks, mushrooms, curved pins or pins having cross, oval, rectangular shape and combinations thereof as some of the examples are shown in Fig 4.
  • a synthetic polymeric material (1 ) is provided to be treated by atmospheric plasma and pass through under the plasma application device (14) as shown in Fig. 3.
  • a free cylinder (6) roll is provided under the molding cylinder (4) roll to pass the treated polymeric material (1 ) by atmospheric plasma treatment, through the interval between said molding cylinder roll (4) and free cylinder (6) as shown in Fig. 3.
  • an idle cylinder roll (8) is provided upon the molding cylinder roll (4) to continue the rolling process of hooks (2) formed on polymer film material or fiber as shown in Fig. 3.
  • the term "absorbent article” refers to devices which absorb and contain body exudates, and, more specifically, refers to devices which are placed against or in proximity to the body of the wearer to absorb and contain the various exudates discharged from the body.
  • synthetic polymer nonwoven material may include, but not limited to film, web, laminate or nonwoven based structures for use in disposable articles.
  • the "polymeric material” more specifically refers to the material that is able to be used as fastening member such as films, fibers, webs, nonwoven structures or polymer surfaces that are feasible for the plasma treatment process.
  • polymeric material (1 ) can be made from various kinds of polymers such as; thermoplastic and/or thermoset polymer structures which can be but not limited to, polyolefin (e.g. polyethylene, polypropylene, polybutylene and the like); polyamides
  • polymer film material can be more specifically polypropylene with any additives or processing aids known in the prior art.
  • the polymer fiber material can be more specifically polypropylene nonwoven fiber with any additives or processing aids known in the prior art.
  • hooks (2) as fastening element refers to male fastening elements that include prongs (2) shaped in any form to engage with or without loop (12) engaging heads.
  • receiving surface refers to a surface that hook (2) fasteners engage with or without loop (12) engaging heads, wherein the receiving surfaces can be a web or nonwoven material made up of various natural and/or synthetic materials, more preferably made up of polypropylene structures. By this way, the hooks (2) can be bonded on the surface of receiving material.
  • the method of this invention is used for producing hooks (2) on polymeric material (1 ) wherein, the hooks (2) have improved bonding strength on to a receiving surface called as loop (12) structures.
  • the method used in the present invention can be used in high speed production lines by applying atmospheric plasma on the surface of synthetic polymer nonwoven material as a treatment method to increase the polymer surface's energy before shaping it as hooks (2).
  • a single jet atmospheric plasma system with product code PFW10 which has 16-25 kHz working frequency and 3-5 kV electrode volts with up to 900 m/min relative speed to surface is supplied from Plasmatreat Company. Since the production speed of a fastening system for an economically feasible production line is preferably between 50 and 250 meters/minutes (m/min), most preferably 225 m/min, atmospheric pressure plasma equipment having adjustable speed is the most convenient system for inline application for the mentioned object.
  • the most preferred embodiment of the invention is the method that said single jet plasma electrode is integrated in line by keeping preferably between 2-15 millimeters, most preferably 4 milllimeters distance between a jet front and the substrate material and the working frequency is preferred to be at least 16 kHz. Since the plasma is passed through from the electrode the temperature of it is increasing up to 160-240 °C. The contact temperature with the fabric is 0-50 °C, most preferably 3-25 °C which makes the atmospheric pressure plasma the most suitable method for the treatment of synthetic polymeric film and nonwoven materials.
  • air oxygen, hydrogen, argon, nitrogen, helium, xenon, carbon dioxide, nitrous oxide, nitrogen monoxide and nitrogen dioxide or a mixture of two kinds or more may be used.
  • air or nitrogen is used; most preferably nitrogen is used to obtain plasma based on its convenience to hygiene industry. It also gives less damage to the surface of the polymeric materials (1 ).
  • the manufacturing of the fastener elements named as hooks (2) can be best understood by reference to the figures wherein;
  • Fig. 1 illustrates the calendar type hook (2) forming process that follows by applying required amount of pressure to shape the polymer film or fiber.
  • Fig. 2 illustrates the ultrasound forming type of hook (2) forming process that is followed by using ultrasound vibrations (10) to soften the polymeric material (1 ) to shape with the help of pressure and heat.
  • the process of manufacturing of hooks (2) according to the present invention can be best understood by reference to the figures wherein;
  • Fig. 3 illustrates the design of plasma treatment technology
  • Fig. 4 illustrates different shapes of hooks (2) that can be produced by using molding cylinder (4) having specifically shaped cavities (16) according to the present invention.
  • Fig. 5 illustrates the mechanism of the hook (2) and loop (12) fastening. As can be seen from the figure, the interlocking part of the hook (2) is attached into the loop (12).
  • Fig.6 illustrates a schematic view of a process of manufacturing of hooks (2) according to the present invention.
  • a method of forming hooks (2) on polymeric material (1 ) by applying atmospheric plasma source on polymer according to present invention comprising the steps explained below; i- A thermoplastic polymeric film or fiber is provided to be treated in the process, ii- Polymeric film or fiber is positioned between the molding cylinder (4) and the free cylinder (6), iii- Atmospheric plasma application device (14) is placed in front of the molding cylinder (4) to be able to treat polymeric film or fiber surface, iv- Polymeric film or fiber surface is treated and softened by applying nitrogen gase plasma from 4 mm distance to the surface of the polymer film or fiber without applying any additional heat or pressure, v- The treated polymer film or fiber passes through the interval of molding cylinder (4) and the free cylinder (6), vi- The treated polymer film or fiber is shaped as hooks (2) while passing through the cavities (16) of the mold by rotating rolls of the mold, vii- Continuously, the molding cylinder (4) rotates and the polymeric film or fiber with formed hooks (2) on it,

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

La présente invention concerne un procédé permettant de produire des crochets (2) sur un film polymère ou un matériau fibreux en tant qu'élément de fixation (2) par traitement de la surface de matériau polymère par traitement plasma atmosphérique. Des crochets (2) produits avec le procédé selon la présente invention présentent une force de liaison améliorée. La présente invention concerne en outre des crochets (2) ayant une résistance mécanique améliorée. Selon la présente invention, des crochets (2) produits par un traitement au plasma atmosphérique ont des caractéristiques mécaniques améliorées par rapport à des composants de crochets (2) traités au plasma non atmosphérique. En outre, des crochets (2) produits selon la présente invention permettent une fixation améliorée aux zones de chute d'articles absorbants jetables.
PCT/TR2016/050575 2016-12-29 2016-12-29 Procédé et appareil de production de fermetures à crochets WO2018124992A1 (fr)

Priority Applications (1)

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PCT/TR2016/050575 WO2018124992A1 (fr) 2016-12-29 2016-12-29 Procédé et appareil de production de fermetures à crochets

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PCT/TR2016/050575 WO2018124992A1 (fr) 2016-12-29 2016-12-29 Procédé et appareil de production de fermetures à crochets

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WO2018124992A1 true WO2018124992A1 (fr) 2018-07-05

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020161429A1 (fr) * 2019-02-07 2020-08-13 Aplix Procédé de traitement améliore pour un ruban présentant des éléments agrippant
US11621411B2 (en) 2019-12-23 2023-04-04 Intecells, Inc. Method of insulating lithium ion electrochemical cell components with metal oxide coatings

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0603189A1 (fr) 1991-06-21 1994-06-29 Procter & Gamble Procede serigraphique destine a fabriquer un systeme d'attache mecanique rattachable et systeme d'attache ainsi fabrique.
US20050212170A1 (en) * 2001-12-15 2005-09-29 Werner Jahn Method for producing an adhesive closure element
US7008589B1 (en) * 1999-02-15 2006-03-07 Binder Kletten-Haftverschluss-Systeme Gmbh Method and device for producing fastener parts from radiation cured plastic materials
US20090068393A1 (en) * 2007-06-01 2009-03-12 Dieter Homolle Loop tape for hook/eye fastener
US20090311438A1 (en) * 2006-06-22 2009-12-17 Konstantinos Poulakis Method and Device for Functionalising the Surfaces of Adhesive Closing Parts
US20100180407A1 (en) 2009-01-20 2010-07-22 Rocha Gerald Method And Apparatus For Producing Hook Fasteners
US20130059111A1 (en) * 2010-04-27 2013-03-07 Velcro Industries B.V. Touch fastener configuration and manufacturing

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0603189A1 (fr) 1991-06-21 1994-06-29 Procter & Gamble Procede serigraphique destine a fabriquer un systeme d'attache mecanique rattachable et systeme d'attache ainsi fabrique.
US7008589B1 (en) * 1999-02-15 2006-03-07 Binder Kletten-Haftverschluss-Systeme Gmbh Method and device for producing fastener parts from radiation cured plastic materials
US20050212170A1 (en) * 2001-12-15 2005-09-29 Werner Jahn Method for producing an adhesive closure element
US20090311438A1 (en) * 2006-06-22 2009-12-17 Konstantinos Poulakis Method and Device for Functionalising the Surfaces of Adhesive Closing Parts
US20090068393A1 (en) * 2007-06-01 2009-03-12 Dieter Homolle Loop tape for hook/eye fastener
US20100180407A1 (en) 2009-01-20 2010-07-22 Rocha Gerald Method And Apparatus For Producing Hook Fasteners
US20130059111A1 (en) * 2010-04-27 2013-03-07 Velcro Industries B.V. Touch fastener configuration and manufacturing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020161429A1 (fr) * 2019-02-07 2020-08-13 Aplix Procédé de traitement améliore pour un ruban présentant des éléments agrippant
FR3092518A1 (fr) * 2019-02-07 2020-08-14 Aplix Procédé de traitement amélioré pour un ruban présentant des éléments agrippant.
US11621411B2 (en) 2019-12-23 2023-04-04 Intecells, Inc. Method of insulating lithium ion electrochemical cell components with metal oxide coatings

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