EP3494827B1 - Système d'un film de couverture et d'une élément de fermeture par adhésion - Google Patents
Système d'un film de couverture et d'une élément de fermeture par adhésion Download PDFInfo
- Publication number
- EP3494827B1 EP3494827B1 EP18208101.8A EP18208101A EP3494827B1 EP 3494827 B1 EP3494827 B1 EP 3494827B1 EP 18208101 A EP18208101 A EP 18208101A EP 3494827 B1 EP3494827 B1 EP 3494827B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- adhesive
- interlocking elements
- covering film
- carrier strip
- foam
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 239000000853 adhesive Substances 0.000 title claims description 34
- 230000001070 adhesive effect Effects 0.000 title claims description 34
- 239000013039 cover film Substances 0.000 title description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 20
- 239000006260 foam Substances 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 14
- 239000011241 protective layer Substances 0.000 claims description 14
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004821 Contact adhesive Substances 0.000 claims 2
- 238000005187 foaming Methods 0.000 description 16
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 239000013518 molded foam Substances 0.000 description 9
- 230000001681 protective effect Effects 0.000 description 8
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 7
- 239000012790 adhesive layer Substances 0.000 description 7
- 239000010408 film Substances 0.000 description 6
- 239000006261 foam material Substances 0.000 description 4
- 239000011888 foil Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000002991 molded plastic Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
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
- A44B18/0069—Details
- A44B18/0076—Adaptations for being fixed to a moulded article during moulding
-
- 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
- A44B18/0069—Details
- A44B18/0073—Attaching means
Definitions
- the invention relates to a system consisting of a cover film and a touch-and-close fastener part with the features in the preamble of claim 1.
- Hook and loop fastener parts have proven themselves in many areas as a detachable and functionally reliable connection and closure technology. When used for flight or vehicle seats, they are used, among other things, to attach seat covers to foam body parts consisting of a molded foam, with one adhesive fastener part being foamed into the upholstery foam material when the respective seat is manufactured, and the other adhesive fastener part in each case with the corresponding hooking elements fixed to the upholstery cover material, in particular is sewn.
- the adhesive fastener parts are placed in so-called receiving pipes of a foaming mold, and by introducing foam material into the free cross sections of the foaming mold, preferably by introducing polyurethane foam (PU foam), the adhesive fastener parts are attached to the foam body parts during the foaming process .
- PU foam polyurethane foam
- the document DE 10 2004 015 321 A1 discloses a touch-and-close fastener part of the type mentioned at the outset that is to be fastened to foam body parts by a foaming process.
- the known solution mentioned provides a lip seal between the wall parts that laterally delimit the shaped cavity of the receiving whistle.
- the carrier strip which has the connecting means for adhering the molded foam on its upper side, is folded over itself in its free side edge areas, so that when the adhesive closure part is placed on the receiving whistle, the carrier strip with a double material layer rests as a lip seal. The sealing effect that can be achieved leaves a lot to be desired even if the double layer is flush and even with the top of the foaming mold.
- the EP 0 168 240 A2 describes a system consisting of a cover film and a touch-and-close fastener part, with a first carrier tape with hooking elements arranged on one side and with a second carrier tape, which has a connecting means for adhering a molded foam on its side facing away from the hooking elements, the hooking elements at least temporarily being Covering film are covered, which is connected in a detachable manner with components of the fastener part.
- the object of the invention is to provide a system of the type mentioned at the outset that has an improved sealing effect compared to the molded foam to be introduced in a foaming mold.
- an essential feature of the invention is that the cover film itself is formed from an iron-containing fleece material which is provided with an adhesive on its end face facing the hooking elements.
- the hooking elements are at least partially covered by a covering film which is connected to components of the touch-and-close fastener part in a detachable manner.
- a separate sealing element in film form is provided, which covers the interlocking elements during the foaming process, ensures that the interlocking elements are kept free of the molded foam during the foaming process, so that the interlocking elements are fully functional after the foaming process is complete and the covering film has been detached.
- the cover film has the adhesive on its side facing the hooking elements, in particular in the form of a pressure-sensitive adhesive, the cover film being releasably connectable with its two longitudinal edges to the two associated longitudinal edges of the second carrier tape along a connection zone that is protrudes at the edge beyond the first carrier strip, and wherein the connecting zone is arranged on the side of the second carrier strip facing away from the connecting means.
- the adhesive of the cover film can be in contact with the front ends of the hooking elements, or a protective layer can be inserted between the front ends of the hooking elements and the cover film.
- the protective layer can be formed from a foil material or from a non-woven material containing iron.
- the iron-containing fleece material in conjunction with permanent magnetic elements of the foam mold, can form a magnetic holding device for fixing the touch-and-close fastener part in the foam mold.
- the iron-containing fleece material is provided with adhesive on its end side facing the hooking elements, in particular in the form of the pressure-sensitive adhesive, and thus itself takes on the function of the cover film, which is detachably connected to the two associated longitudinal edges of the second carrier tape along the connection zone by means of the pressure-sensitive adhesive.
- a protective layer can be arranged between the cover film made of iron-containing fleece material and the hooking elements, which protects the hooking elements from application of the pressure-sensitive adhesive of the fleece material.
- the two carrier tapes can be connected to one another on their mutually facing sides with an adhesive, in particular in the form of a polyurethane-containing adhesive.
- an iron wire can be inserted into the adhesive between the two carrier strips.
- the connecting means on one side of the second carrier strip can be formed from a multiplicity of protruding individual rods which, without additional protrusions, ensure the adhesion of the molded foam.
- the subject matter of the invention is also the use of a touch-and-close fastener part according to one of claims 1 to 8 in a foam mold, in particular for the production of motor vehicle seat cushions, with a receiving pipe into which the hooking elements covered with the covering film can be inserted, whereby after connecting the molded foam with the connecting means to form the seat cushion and after removing it from the foam mold and after removing the Cover film the hooking elements are exposed.
- a receiving whistle is denoted by 2, which is part of a foaming mold that is otherwise not shown.
- the receiving whistle 2 has a mold cavity 4 in the form of a recess, the free cross section of which is adapted to the adhesive fastener part 6 to be received in this cavity.
- the mold cavity 4 is delimited by planar wall parts 8 along the lateral longitudinal edges.
- the touch-and-close fastener part 6 has a flat carrier strip 10 with adhesive elements arranged on one side. In the example shown, these are formed by mushroom heads 12 (only partially numbered in the drawing), which are located on stems protruding from the carrier tape 10 . This can be a so-called adhesive fastener, in which 200 to 400 hooking elements and more per cm 2 are provided on the carrier tape 10 .
- This can be formed by a base fabric made of polyamide with handles made of polypropylene, on which the mushroom heads 12 are formed by thermal processing.
- the carrier 10 with the mushroom heads 12 can also consist of an injection molded plastic profile. While the interlocking elements are formed by mushroom heads 12 in the example shown, the interlocking elements can also be formed by loops or loops of a loop material. Hook and loop fasteners of this type with mushroom heads 12 as hooking elements are available on the market from the applicant under the product name Pressotex® and with hooking elements in the form of a fleece material under the product name Klettostar® .
- the carrier tape 10 is firmly connected to a second carrier tape 16 via an adhesive layer 14 on its side facing away from the hooking elements.
- the adhesive layer 14 consists of a moisture-crosslinking, polyurethane-containing adhesive.
- an iron wire 18 is embedded in the middle, which extends over the entire length of the touch-and-close fastener part 6 running perpendicularly to the plane of the drawing. In conjunction with permanent magnetic elements (not shown) located in the foaming mold, the iron wire 18 forms a magnetic holding device which fixes the adhesive closure part 6 in the receiving whistle 2 .
- the second carrier strip 16 fastened via the adhesive layer 14 is an injection-molded plastic profile, which has round projections 20 in the form of free-standing rods, not all of which are numbered, formed on the side facing away from the adhesive layer 14 . These form a connection that ensures good adhesion of the molded foam during the foaming process.
- the second carrier tape 16 has a greater width than the first carrier tape 10 and protrudes laterally over the first carrier tape 10 with one side strip 22 each having the same width. With the side facing away from the projections 20, these strips 22 each form a connection zone 24 to which a cover film 26 can be detachably attached.
- this is formed by a film, for example made of polyester, which is provided with a pressure-sensitive adhesive 28 like an adhesive tape, with which it is detachably bonded with its longitudinal edges to the connecting zones 24 of the side strips 22 of the second carrier tape 16.
- the 1 shows this state in which, in preparation for a foaming process, the adhesive closure part 6 is inserted into the receiving pipe 2 together with the cover film 26, which tightly encloses the entire area of the hooking elements (mushroom heads 12) and protects against the ingress of molded foam during the foaming process. After the cover film 26 has been detached, the hooking elements are therefore available in a fully functional manner for the later establishment of the adhesive connection with the respectively corresponding other adhesive fastener part.
- the Figure 2a shows a further exemplary embodiment of a touch-and-close fastener part in a partially manufactured state.
- the second embodiment corresponds to the embodiment of FIG 1 , apart from the fact that the cover foil 26 with its adhesive 28 does not rest directly on the mushroom heads 12, but that a protective layer 38 is placed on the adhesive 28.
- This is formed by a foil, for example made of polyester, the width of which corresponds to the width of the first carrier tape 10 .
- the cover film 26 with the protective layer 38 is applied to the mushroom heads 12, but not yet adhered to the connection zones 24 of the side strips 22 of the second carrier tape 16 by moving the side edges of the cover film 26, as indicated by arrows 36.
- the protective layer 38 which extends over the entire width of the first carrier tape 10, protects the mushroom heads 12 from application of the pressure-sensitive adhesive 28 of the cover film 26.
- the Figure 2b shows the unit consisting of cover film 26 and protective layer 38 as a prefabricated preliminary product 30.
- This has a protective tape 32 in the form of a non-adhesive film that covers the protective layer 38 and has the same width as the cover film 26, so that the protective tape 32 extends laterally over the Protective layer 38 protrudes.
- the protective tape 32 can therefore be bonded to the cover film 26 along its side strips.
- the 3 shows an embodiment that differs from the example of FIG Figure 2a differs by a different design of the magnetic holding device.
- the example of FIG 3 formed by a non-woven material 40 containing iron. This also replaces the iron wire 18 embedded in the adhesive layer 14 of the first two exemplary embodiments.
- the Figure 4a shows an inventive embodiment that, like the Figure 2a , which represents the touch-and-close fastener part 6 in the partially manufactured state.
- a preliminary product 42 is provided to form this exemplary embodiment, which in Figure 4b is shown and, in addition to the lost protective tape 32, contains in sequence the protective layer 38, which protects the mushroom heads 12 from adhesive application, and the ferrous fleece material 40, which has an adhesive layer 42 on the side of the protective layer 38, for example in the form of the pressure-sensitive adhesive 28.
- the ferrous Fleece material 40 has the same width as the lost protective tape 32 and protrudes laterally beyond the intermediate protective layer 38, so that the side strips of the protective tape 32 can be releasably bonded to the iron-containing fleece material 40 by application, as indicated by the arrows 34.
- the preliminary product 42 is available to complete the exemplary embodiment of FIG Figure 4a to disposal.
- the iron-containing fleece material 40 forms the cover film, which forms the tight enclosure for the mushroom heads 12 in the same function as the cover film 26 of the previous exemplary embodiments.
Landscapes
- Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
- Seats For Vehicles (AREA)
Claims (9)
- Système composé d'une feuille (40) de couverture et d'une partie (6) de fermeture auto-agrippante, comprenant une première bande (10) support ayant des éléments (12) d'accrochage montés sur une face sur celle-ci et comprenant une deuxième bande (16) support, qui a, sur sa face loin des éléments (12) d'accrochage, un moyen (20) de liaison pour l'accrochage d'une mousse de moulage, dans lequel les éléments (12) d'accrochage sont recouverts au moins de temps à autre de la feuille (40) de couverture, qui est reliée d'une manière détachable à des composants de la partie (6) de fermeture auto-agrippante, caractérisé en ce que la feuille (40) de couverture est formée soi même d'un matériau (40) non tissé contenant du fer, qui est pourvu d'une colle (42) sur sa face frontale, tournée vers les éléments (12) d'accrochage.
- Système suivant la revendication 1, caractérisé en ce que la feuille (40) de couverture a sur sa face, tournée vers les éléments (12) d'accrochage, la colle, notamment sous la forme d'une colle (42) de contact, en ce que la feuille (40) de couverture peut, par ses deux bords longitudinaux, être reliée d'une manière redétachable le long d'une zone (24) de liaison aux deux bords (22) longitudinaux associés de la deuxième bande (16) support, en ce que la deuxième bande (16) support dépasse à cet effet du côté du bord de la première bande (10) support, et en ce que la zone (24) de liaison est disposée sur la face, loin du moyen (20) de liaison, de la deuxième bande (16) support.
- Système suivant la revendication 1 ou 2, caractérisé en ce que la colle (42) de la feuille (40) de couverture est en contact avec les extrémités du côté frontal des éléments (12) d'accrochage ou en ce qu'une couche (38) de protection est mise entre les extrémités, du côté frontal, des éléments (12) d'accrochage et la feuille (40) de couverture.
- Système suivant l'une des revendications précédentes, caractérisé en ce que la feuille de couverture soi même est formée d'un matériau (40) non tissé contenant du fer, qui est pourvue sur sa face frontale, tournée vers les éléments (12) d'accrochage, de colle sous forme de la colle (42) de contact.
- Système suivant la revendication 4, caractérisé en ce que la feuille (40) de couverture, formée de matériau non tissé contenant du fer, a une couche (38) de protection entre elle et les éléments (12) d'accrochage.
- Système suivant l'une des revendications précédentes, caractérisé en ce que les deux bandes (10, 16) support sont sur leur face frontale tournées l'une vers l'autre reliées entre elles par une colle (14), notamment sous la forme d'une colle contenant du polyuréthane.
- Système suivant la revendication 6, caractérisé en ce qu'un fil (18) de fer est inséré dans la colle (14) entre les deux bandes (10, 16) support.
- Système suivant l'une des revendications précédentes, caractérisé en ce que le moyen de liaison sur l'une des faces de la deuxième bande (16) support est formé d'une pluralité de bâtonnets (20) individuels en saillie, qui assurent, sans saillie supplémentaire, l'accrochage de la mousse de moulage.
- Utilisation d'un système suivant l'une des revendications 1 à 8, dans un moule à mousse, notamment pour la fabrication de coussins de siège de véhicule automobile, comprenant une pipe (2) de réception, dans laquelle les éléments (12) d'accrochage revêtus de la feuille (40) de couverture peuvent être mis, dans laquelle, après liaison de la mousse de moulage au moyen (20) de liaison avec formation du coussin de siège et après enlèvement du moule à mousse, ainsi qu'après éloignement de la feuille (40) de couverture, les éléments (12) d'accrochage sont mis à découvert.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017011245.2A DE102017011245A1 (de) | 2017-12-06 | 2017-12-06 | Haftverschlussteil |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3494827A1 EP3494827A1 (fr) | 2019-06-12 |
EP3494827B1 true EP3494827B1 (fr) | 2022-07-27 |
Family
ID=64456872
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18208101.8A Active EP3494827B1 (fr) | 2017-12-06 | 2018-11-23 | Système d'un film de couverture et d'une élément de fermeture par adhésion |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3494827B1 (fr) |
DE (1) | DE102017011245A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114286632B (zh) * | 2019-08-30 | 2024-03-05 | Ykk株式会社 | 面连接件和面连接件的制造方法 |
CN111436721B (zh) * | 2020-05-08 | 2023-08-01 | 东莞百宏实业有限公司 | 咬扣式织带及其制备方法 |
DE102022127854A1 (de) | 2022-10-24 | 2024-04-25 | Gottlieb Binder Gmbh & Co. Kg | Verschlussteil |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4710414A (en) * | 1984-07-10 | 1987-12-01 | Minnesota Mining And Manufacturing Company | Fastener assembly with heat shrinkable film cover |
IE57148B1 (en) * | 1984-11-20 | 1992-05-06 | Velcro Ind | Separable fasteners as well as method and apparatus for adapting separable fasteners for attachment to other objects |
CA1285122C (fr) * | 1985-07-17 | 1991-06-25 | Richard N. Hatch | Fixations separables pour le garnissage d'autres objets |
US5180618A (en) * | 1990-01-25 | 1993-01-19 | Velcro Industries B.V. | Separable fasteners for attachment to other objects |
US5422156A (en) * | 1993-04-23 | 1995-06-06 | Aplix, Inc. | Fastening member with ferromagnetic attachment strip |
US5766385A (en) * | 1995-12-06 | 1998-06-16 | Velcro Industries B.V. | Separable fastener having die-cut protective cover with pull tab and method of making same |
DE19752763A1 (de) * | 1997-11-28 | 1999-07-01 | Binder Gottlieb Gmbh & Co | Haftkörper |
US7425360B2 (en) * | 2004-03-02 | 2008-09-16 | Velcro Industries B.V. | Touch fastener products |
DE102004015321A1 (de) | 2004-03-30 | 2005-10-20 | Binder Gottlieb Gmbh & Co Kg | Haftverschlußteil |
DE102007012433A1 (de) * | 2007-03-15 | 2008-09-18 | Gottlieb Binder Gmbh & Co. Kg | Festlegesystem |
KR101255623B1 (ko) * | 2012-09-10 | 2013-04-16 | 도종석 | 시트패드용 패스닝테이프 및 이를 구비하는 시트패드 |
-
2017
- 2017-12-06 DE DE102017011245.2A patent/DE102017011245A1/de not_active Withdrawn
-
2018
- 2018-11-23 EP EP18208101.8A patent/EP3494827B1/fr active Active
Also Published As
Publication number | Publication date |
---|---|
DE102017011245A1 (de) | 2019-06-06 |
EP3494827A1 (fr) | 2019-06-12 |
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