EP3515224B1 - Dispositif de fermeture destiné à relier deux pièces - Google Patents

Dispositif de fermeture destiné à relier deux pièces Download PDF

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Publication number
EP3515224B1
EP3515224B1 EP17783730.9A EP17783730A EP3515224B1 EP 3515224 B1 EP3515224 B1 EP 3515224B1 EP 17783730 A EP17783730 A EP 17783730A EP 3515224 B1 EP3515224 B1 EP 3515224B1
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EP
European Patent Office
Prior art keywords
structural elements
closure
another
parts
magnetic poles
Prior art date
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EP17783730.9A
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German (de)
English (en)
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EP3515224A1 (fr
Inventor
Lasse Hiller
Breido Botkus
Joachim Fiedler
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Fidlock GmbH
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Fidlock GmbH
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Publication of EP3515224A1 publication Critical patent/EP3515224A1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41F—GARMENT FASTENINGS; SUSPENDERS
    • A41F1/00—Fastening devices specially adapted for garments
    • A41F1/002—Magnetic fastening devices
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41F—GARMENT FASTENINGS; SUSPENDERS
    • A41F1/00—Fastening devices specially adapted for garments
    • A41F1/006—Brassiére fasteners
    • 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
    • A44B18/0003—Fastener constructions
    • A44B18/0007—Fastener constructions in which each part has similar elements
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B99/00—Subject matter not provided for in other groups of this subclass
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/32—Buckles, buttons, clasps, etc. having magnetic fastener

Definitions

  • the invention relates to a locking device for connecting two parts according to the preamble of claim 1.
  • Such a closure device for example, from U.S. 3,102,314 is known, comprises a first closure part having a first surface with an arrangement of first structural elements arranged thereon, and a second closure part having a second surface with an arrangement of second structural elements arranged thereon.
  • the first closure part and the second closure part are to be attached to one another in such a way that the first surface of the first closure part faces the second surface of the second closure part, so that the first structural elements and the second structural elements engage in one another in such a way that movement of the closure parts relative to one another along a loading direction Is blocked.
  • Such a closure device can be used, for example, on textile objects, for example items of clothing, for example a bra.
  • the closure device can also be used to connect other parts, for example as a closure for a bag, backpack, suitcase or other container or for example also for a protective vest, for example a life jacket or the like.
  • closure parts have a surface structure with arc-shaped elements. By placing the closure parts together, the circular elements engage with each other so that the closure parts are held together.
  • a closure device that can be used, for example, as a closure for a textile garment (in the manner of a hook-and-loop fastener), it is desirable that loads, particularly under tension, can be absorbed in a favorable, reliable manner.
  • the closure device should be easy to close and also easy to open, but should be able to withstand high forces under load. A variable usability with inexpensive production is also desirable.
  • closure device in which arrangements of structural elements in the form of, for example, cuboid magnetic elements are arranged on closure parts.
  • the DE 20 2009 006 189 U1 describes a magnetic connecting mechanism consisting of two parts for the adjustable connection of two belts or other parts, the slipping or sliding of the parts in the longitudinal direction being prevented or limited by a wavy formation of the surface of the magnetic, magnetizable or magnet-containing parts.
  • the first closure part has a first magnet arrangement with a plurality of magnetic poles offset from one another along the first surface and the second closure part has a second magnet arrangement with a plurality of magnetic poles offset from one another along the second surface.
  • the closure device can be closed by attaching its closure parts to one another.
  • Each closure part has an arrangement of structural elements on its surface, which engage with one another when the closure parts are attached, so that the closure parts are fixed to one another so that they can withstand tensile loads.
  • the direction of loading is in the plane of the surfaces of the closure parts. The loading is thus along a direction tangential to the surfaces.
  • the surfaces of the closure parts each extend over an area.
  • the closure parts are preferably flexible at least in sections and can therefore be flexibly adapted in shape, for example curved.
  • the engagement between the arrangements of the structural elements on the surfaces of the closure parts takes place due to magnetic interaction between the closure parts.
  • a magnet arrangement with a plurality of magnetic poles is arranged on each closure part, the magnet arrangements facing each other magnetically when closing and when closure parts are attached to one another (with complete or at least partial opposite magnetic poles). Due to the magnetic interaction, the closing of the closure device is thus easy, and in addition, when the closure parts are attached to one another, the structural elements of the closure parts are held in engagement magnetically, so that the hold of the closure parts on one another is magnetically secured.
  • the magnetic poles of each magnet assembly are offset from one another along the surface of the associated closure member.
  • the magnet arrangement is therefore multi-pole and has several different magnetic poles (north poles and south poles) towards the magnet arrangement of the other closure part, with opposite magnetic poles of the magnet arrangements of the closure parts being attracted to each other when the closure parts are attached to one another and the closure device is closed.
  • the multi-pole magnet arrangement can in particular also have the effect that the closure parts can be attached to one another in a limited number of discrete positions. These discrete positions are dictated by such positions in which the magnet arrangements of the closure parts face each other in a magnetically attractive manner, unlike magnetic poles of the magnet arrangements are thus located directly opposite one another.
  • closure parts For example, to open the closure parts, they can simply be pulled apart from one another, as a result of which the structural elements of the closure parts disengage from one another. It may be conceivable and possible to move the closure parts relative to one another in the opposite direction to the loading direction for opening, which, with the appropriate polarity of the magnet arrangement, can cause, for example, this tangential opening movement to bring poles of the magnet arrangement with the same name closer together and thus the closure parts to move magnetically repel each other. This can contribute to a particularly easy opening of the closure device that is pleasant to the touch.
  • the closure parts are hermaphroditic and each have the same arrangement of structural elements.
  • the first structural elements of the first closure part thus correspond in their shape (and optionally also in their arrangement) to the second structural elements of the second closure part.
  • the first structural elements can protrude from the surface of the first closure part and the second structural elements can protrude from the surface of the second closure part and thus be designed as protruding engagement projections.
  • the structural elements can be formed very differently by any shaped projection elements or by any structural shaping on the surface.
  • the arrangement of structural elements can also be formed by roughening with irregularly shaped, possibly microscopically small mountains and valleys on the surface of the associated closure part.
  • the arrangement of first structural elements on the first surface of the first closure part and the arrangement of second structural elements on the second surface of the second closure part creates a structural shape on the respective surface that is designed to engage with the structural shape of the respective other surface and in the closed position of the locking device creates a connection that can withstand tensile loads.
  • the first structure elements have first blocking surfaces and the second structure elements have second blocking surfaces.
  • the blocking surfaces can extend, for example, as surfaces directed perpendicularly to the surface.
  • the blocking surfaces can also form undercuts and for this purpose extend at an (acute) angle to the surface.
  • the structural elements can have latching lugs or webs or the like, which can be brought into engagement with one another.
  • a movement of the closure parts relative to one another in the loading direction is blocked via the blocking surfaces.
  • the closure parts cannot be moved tangentially to one another in the loading direction, so that tensile forces on the closure parts can be absorbed and a loadable connection is thus created in the loading direction when the closure parts are attached to one another.
  • connection can be subjected to tensile loads not only in the direction of loading, but also against the direction of loading.
  • the first structural elements can each have a further blocking surface on a side facing away from the first blocking surface
  • the second structural elements can also each have a further blocking surface on a side facing away from the second blocking surface.
  • the closure parts can be moved towards one another counter to the direction of loading, for example in order to adapt the closed position of the closure parts to one another and to tension the closure device, for example.
  • the first structural elements can have first abutment surfaces and the second structural elements can have second abutment surfaces, the first structural elements and the second structural elements abutting one another with their abutment surfaces when the closure parts are loaded counter to the loading direction.
  • the first Structural elements thus point with their blocking surfaces in the direction of loading, while their ramp surfaces point in the opposite direction to the loading direction.
  • the run-on surfaces can, for example, extend obliquely to the surface of the associated closure part and form ramps, which run up on one another counter to the direction of loading when the closure parts move relative to one another.
  • a kind of mechanical freewheel against the direction of the load can be created by means of such ramp surfaces. While the closure parts lock to one another in the event of a tensile load in the direction of the load, the structural elements of the closure parts can slide over one another when the load is applied in the opposite direction to the loading surfaces, so that the position of the closure parts in relation to one another can be adjusted in the opposite direction to the load.
  • the first structural elements and/or the second structural elements each have a curved shape or a V-shape when the respective surface is viewed from above.
  • the structural elements can be arc-shaped or V-shaped.
  • the tip of the V-shape can point in the direction of loading, for example.
  • the structural elements of a closure part can be separated from one another transversely to the direction of loading, it also being conceivable and possible to connect several structural elements to one another transversely to the direction of loading, for example to form a zigzag line or a curved line. By interrupting the structural elements from one another, favorable flexibility can be obtained on the respective closure part, for example.
  • the structural elements can, for example, each have at least one leg which extends along the assigned surface and is aligned at an oblique angle to the direction of loading. If the structural elements are V-shaped, each structural element can have two legs, for example, which are aligned at an angle, in particular an obtuse angle, to one another. Due to the V-shaped design, the engagement between the structural elements is preferably self-reinforcing, in that the first structural elements on the first surface of the first closure part are pulled into engagement with the second structural elements on the second surface of the second closure part when loaded in the direction of loading and through the engagement the V-shape, the structural elements in particular cannot be displaced to one another transversely to the direction of loading.
  • the first structural elements can be arranged, for example, in a grid pattern on the first surface of the first closure part, while the second structural elements are arranged in a grid pattern on the second surface of the second closure part.
  • the first structural elements can be arranged on the first surface in rows offset from one another along the loading direction, while the second structural elements are arranged analogously in rows on the second surface.
  • the structural elements of adjacent rows viewed transversely to the direction of loading, cannot be offset from one another.
  • the structural elements of adjacent rows can be offset from one another (exactly) by half the width of a structural element, measured transversely to the direction of loading.
  • the first magnet arrangement of the first closure part and the second magnet arrangement of the second closure part are each formed with a plurality of magnetic poles which are offset from one another along the surface of the respective associated closure part.
  • Each magnet arrangement can be formed by an arrangement of (discrete) permanent magnet elements that are inserted, for example, in a recess provided for this purpose in the closure part and thus point with different poles toward the surface of the associated closure part.
  • the permanent magnet elements can be designed as neodymium magnets, for example.
  • a permanent magnetic film is, for example, a plastic-bonded, flexible, permanent-magnetic film that can contain, for example, a magnetic powder with a neodymium content, for example.
  • the magnetic poles of the first magnet arrangement and/or the magnetic poles of the second magnet arrangement are preferably lined up periodically.
  • the magnetic poles thus form an arrangement with, for example, magnetic poles that are offset from one another along the loading direction and/or transversely to the loading direction and lined up next to one another.
  • the magnetic poles of the first magnet arrangement and/or the magnetic poles of the second magnet arrangement can be lined up next to one another along the loading direction. Along the load direction, the north and south poles are lined up alternately, resulting in a (periodic) sequence. In this way, discrete positions for connecting the closure parts to one another can be specified, in which the magnetic poles of the first closure part and the magnetic poles of the second closure part are opposite each other so that the closure parts are magnetically attracted to one another and the structural elements of the closure parts engage with one another.
  • the first structural elements and/or the second structural elements preferably have a first periodicity and the magnetic poles of the first magnet arrangement and/or the magnetic poles of the second magnet arrangement have a second periodicity, each viewed along the loading direction.
  • the first periodicity can correspond to the second periodicity or to an integer multiple of the second periodicity. If, for example, the structural elements of the first closure part and the structural elements of the second closure part are arranged with the same (first) periodicity and this first periodicity corresponds to the second periodicity with which the magnetic poles of the first magnet arrangement and the second magnet arrangement are arranged in relation to one another, then via the magnetic poles a discrete number of positions can be defined in which the closure parts can be fitted together and just engage their structural elements. The magnetic attraction between the closure parts thus causes attachment in such a way that the structural elements reliably engage with one another and the closure device thus reliably closes.
  • the first periodicity corresponds to the second periodicity or to an integer multiple of the second periodicity
  • this can also provide a simple opening or possibly a type of magnetic freewheeling. Provision can thus be made for the closure parts to be displaced relative to one another in the opposite direction to one another when the closure parts are loaded in the opposite direction to the loading direction, as a result of which the magnet arrangements of the closure parts with poles of the same name are brought closer to one another and thus repel one another, so that the closure device can be opened particularly easily .
  • structural elements can be jumped over by magnetic repulsion when the closure parts are moved towards one another against the direction of loading, so that when the closure parts are moved towards one another the structural elements do not engage with one another in the load direction.
  • a ramp-shaped design of the structural elements is not required by providing appropriate run-on surfaces.
  • the first closure part and the second closure part are preferably displaceable relative to one another by a release distance counter to the loading direction in order to provide magnetic freewheeling.
  • the magnet arrangements of the closure parts with poles of the same name come into opposition and thereby repel each other (the magnet arrangements reverse polarity relative to one another).
  • the structural elements on the surfaces are arranged relative to one another in such a way that when they are displaced by the release path, each structural element of one closure part does not collide with the structural element on the other closure part that follows in the opposite direction to the load.
  • the release path preferably corresponds to half the periodicity of the magnet arrangements along the direction of loading.
  • the magnet arrangements of the closure parts are preferably lined up and positioned along the loading direction in such a way that when the closure parts are placed against one another, the structural elements can reliably engage with one another, but their blocking surfaces do not yet abut against one another.
  • the closure parts After attachment, the closure parts thus have a certain amount of play with respect to one another in the direction of loading and are not (yet) secured to one another, in particular transversely to the direction of loading, so that the closure parts can be displaced relative to one another transversely to the direction of loading.
  • This can allow easy opening by transverse displacement of the closure parts relative to one another.
  • the structural elements then come into contact with the blocking surfaces in contact with one another, with this contact also blocking a transverse displacement of the closure parts relative to one another, particularly in the case of a V-shaped configuration of the structural elements.
  • the magnetic poles of the first magnet arrangement and the magnetic poles of the second magnet arrangement can also be arranged in a row along a transverse direction extending transversely to the loading direction. In this way, discrete positions for connecting the closure parts can be specified, which are offset from one another transversely to the loading direction.
  • This arrangement of magnetic poles is also advantageous, for example, in Connection with the "mechanical freewheel” described above, because this arrangement of the magnetic poles causes a positioning effect transversely to the direction of loading during adjustment against the direction of loading.
  • magnetic poles are lined up both in the loading direction and transversely to the loading direction, resulting in a two-dimensional grid of alternating magnetic poles (north poles and south poles).
  • a closure device for connecting two parts which comprises a first closure part having a first surface with an arrangement of first structural elements arranged thereon and a second closure part having a second surface with an arrangement of second structural elements arranged thereon.
  • the first closure part and the second closure part are to be attached to one another in such a way that the first surface of the first closure part faces the second surface of the second closure part, so that the first structural elements and the second structural elements engage in one another in such a way that movement of the closure parts relative to one another along a loading direction is blocked is.
  • the first closure part has a first magnet arrangement and the second closure part has a second magnet arrangement, the first magnet arrangement and/or the second magnet arrangement being formed at least in sections by a permanent magnet foil.
  • a closure device of the type described above can be used in particular for a textile closure, ie a closure for connecting textile parts, in particular for items of clothing.
  • a textile closure ie a closure for connecting textile parts, in particular for items of clothing.
  • Jackets, belts, shoes or other items of clothing, for example a bra can be closed by means of such a textile fastener.
  • the closure device 1 12 shows an exemplary embodiment of a closure device 1, which has a first closure part 2 extending over a surface area and a second closure part 3 extending over a surface area.
  • the closure device 1 can be used, for example, as a closure on a piece of clothing (for example on a jacket), on a container (for example on a bag or on a backpack) or on a vest (for example a protective vest, a life jacket or the like).
  • Each closure part 2 , 3 has a body 20 , 30 with a peripheral edge 200 , 300 and a raised section 201 , 301 projecting over the edge 200 , 300 .
  • a surface 203, 303 is formed on the raised section 201, 301, on which structural elements 22, 32 of identical shape are arranged.
  • the closure parts 2, 3 can be attached to one another with their surfaces 203, 303 and thereby engage with one another with their structural elements 22, 32.
  • a magnet arrangement 21, 31 is accommodated on each closure part 2, 3, which causes the closure parts 2, 3 to be magnetically attracted to one another when they are attached to one another and in an attached to one another Position are held together magnetically.
  • FIG 2 shows a plan view of the arrangement according to FIG 1 .
  • Figures 3A to 3C show the closure device 1 in a closed position and Figures 4A to 4C when moving against the load direction B1, B2.
  • the structural elements 22, 32 on the surfaces 203, 303 of the closure parts 2, 3 each have a V-shape, with legs 222, 322 which are aligned at an obtuse angle to one another, as is shown schematically in FIG 3D is shown.
  • the structural elements 22, 32 each have a sawtooth shape, with blocking surfaces 220, 320 extending at an acute angle to the surface 203, 303 on a first side of the legs 222, 232, which form an undercut with the surface 203, 303, and ramp surfaces 221, 321 on the other side of legs 222, 232 which extend at an obtuse angle to surface 203, 303 and each form a ramp.
  • the structural elements 22, 32 of the closure parts 2, 3 face each other in such a way that the blocking surfaces 220, 320 of the structural elements 22, 32 face each other, such as this out Figures 3A to 3C is evident. If the closure parts 2, 3 are loaded relative to one another along a loading direction B1, B2 (by pulling on the first closure part 2 in the loading direction B1 and on the second closure part 3 in the loading direction B2), the structural elements 22, 32 pass over their blocking surfaces 220, 320 in contact with one another, so that a relative movement between the closure parts 2, 3 along the loading direction B1, B2 is blocked.
  • the closure device 1 can thus be subjected to tensile loads and is also able to absorb large forces without the closure parts 2, 3 being able to become detached from one another due to the effect of the force.
  • the engagement between the structural elements 22, 32 is brought about and maintained here on the one hand due to the undercuts of the blocking surfaces 220, 320 and is also secured by the magnetic attraction between the magnet arrangements 21, 31.
  • the structural elements 22, 32 are separated from one another transversely to the loading direction B1, B2 on each closure part 2, 3, in that gaps are formed between the structural elements 22, 32.
  • the structural elements 22, 32 which have a V-shape when viewed from above, point with the vertex of the V in the respective associated loading direction B1, B2 (the structural elements 22 point with the vertex of the V in the loading direction B1, while the structural elements 32 of the V point in the loading direction B2).
  • closure parts 2, 3 are removed from one another. This can be done by lifting one closure part 2, 3 from the other closure part 3, 2. However, the opening can also take place by pulling on the closure parts 2, 3 counter to the loading direction B1, B2, namely in a release direction L1, L2, as is shown in Figures 4A to 4C is shown.
  • the closure parts 2, 3 By moving the closure parts 2, 3 in the release direction L1, L2 relative to one another, the structural elements 22, 32 run onto one another with their abutment surfaces 221, 321, and due to the ramp shape of the abutment surfaces 221, 321, the closure parts 2, 3 are at least slightly apart lifted. This weakens the magnetic force of attraction between the magnet arrangements 21, 31 of the closure parts 2, 3, so that the closure parts 2, 3 can be easily removed from one another.
  • the ramp shape of the structural elements 22, 32 behind the blocking surfaces 220, 320 also enables a type of mechanical freewheeling when the closure parts 2, 3 are pulled against the loading direction B1, B2 (in the release direction L1, L2).
  • a structural element 22 of the first closure part 2 is removed with its blocking surface 220 from an associated blocking surface 320 of a structural element 32 of the second closure part 3 and slides with its ramp surface 221 onto a ramp surface 321 of one in the Adjoining structural element 32 of the second closure part 3 adjoining the release direction L1.
  • the blocking surface 22 of this structure element 22 is now located opposite the blocking surface 320 of the adjacent structure element 32 that has just passed, so that the closure parts 2, 3 exactly a structural element 22, 32 are offset from one another along the loading direction B1, B2.
  • the magnet arrangements 21, 31 have magnetic poles N, S, which are offset from one another transversely to the loading direction B1, B2, as is shown in FIG 2 is shown.
  • the magnet assemblies 21, 31 are thus transverse to Load direction B1, B2 periodically.
  • the periodicity of the magnetic poles N, S of the magnet arrangements 21, 31 is such that when the closure parts 2, 3 are placed on one another, the structural elements 22, 32 of the closure parts 2, 3 engage with one another in the correct position so that they can be locked via their blocking surfaces 220, 320 to lock when loaded. Due to the multi-pole nature of the magnet arrangements 21, 31, it is thus easier to attach the closure parts 2, 3 to one another in the correct position, with reliable closure of the closure device 1.
  • the magnetic poles N, S of each magnet arrangement 21, 31 are offset from one another along the loading direction B1, B2, in that the magnetic poles N, S are lined up alternately in a periodic manner along the loading direction B1, B2.
  • each magnet arrangement 21, 31 has a two-dimensional pattern of magnetic poles N, S, with a multiplicity of rows of magnetic poles along the loading direction B1, B2 and two columns in the transverse direction Y transverse to the loading direction B1, B2.
  • the magnet arrangements 21, 31 can be arranged relative to one another in such a way that the structural elements 22 of the first closure part 2 and the structural elements 32 of the second connection part 3 come to lie between one another and not on top of one another when the closure parts 2, 3 are attached (which would otherwise result in incomplete closure of the locking device 1 could result).
  • S of each magnet arrangement 21, 31 according to the embodiment 7 can a positioning in the correct position can be facilitated both along the loading direction B1, B2 and transversely to the loading direction B1, B2.
  • the magnet arrangements 21, 31 can be formed by discrete permanent magnet elements, for example by neodymium magnets. Each magnet arrangement 21, 31 can be accommodated in the recess 202, 302 in the body 20, 30 of the associated closure part 2, 3 and bonded or cast to the body 20, 30 of the closure part 2, 3. In this case, the depression 202, 302 can be closed off from the outside, e.g. by a cover, for example a foil or the like.
  • each magnet arrangement 21, 31 can also be formed by a magnetic foil, for example a plastic foil, which contains, for example, a magnetic powder with a neodymium content.
  • a magnetic foil can be accommodated in the recess 202, 302 of the associated closure part 2, 3 and glued to the body 20, 30 or connected in some other way.
  • Figures 8 to 12A-12D show another embodiment of a closure device 1, which differs from the basis of Figures 1 to 4A-4C described embodiment in particular by the shape of the structural elements 22, 32 differs.
  • each structural element 22, 32 engage in intermediate spaces between the structural elements 32, 22 on the respective other part, each structural element 22 of the one, first closure part 2 with its locking surfaces 220 formed on the legs 222, 322 locking surfaces 320 on the legs 322 of an associated structural element 32 of the other, second closure part 3 is opposite, like this Figures 10C and 10D is evident.
  • the blocking surfaces 220, 320 of the structural elements 22, 32 come into contact with one another, with undercuts being formed on these blocking surfaces 220, 320 so that the engagement between the structural elements 22, 32 cannot be easily released under load and is therefore able to absorb large loading forces.
  • the structural elements 22, 32 are dimensioned and arranged relative to one another in such a way that the closure parts 2, 3 can be displaced relative to one another in the release direction L1, L2 by a release distance LW corresponding to half the periodicity of the magnetic poles N, S of the magnet arrangements 21, 31, without the structural elements 22 , 32 abut one another in the release direction L1, L2.
  • the closure parts 2, 3 can be moved relative to one another by the release path LW counter to the loading direction B1, B2, i.e. in a release direction L1, L2, so that the structural elements 22, 32 with their blocking surfaces 220, 320 disengage from each other and also the magnet arrangements 21, 31 are moved towards one another in such a way that like poles N, S of the magnet arrangements 21, 31 are brought closer to one another, as is shown in particular in Figures 11C and 11D is evident.
  • the closure parts 2, 3 thus repel each other, so that the closure parts 2, 3 can be easily detached from each other.
  • the position of the closure parts 2, 3 can also be adjusted counter to the load direction B1, B2, i.e. in the release direction L1, L2 - in the manner of a magnetic freewheel.
  • the structural elements 22 of the one, first closure part 2 jump over the following structural element 32 of the other, second one when pulled (and the resulting displacement by the release path LW) in the release direction L1 on the closure part 2 due to the magnetic repulsion between the closure parts 2, 3 Closure part 3 as shown in Figures 11C and 11D is shown.
  • each structural element 22 of the first closure part 2 thus comes in turn with its blocking surfaces 220 opposite blocking surfaces 320 of structural elements 32 on the other, second closure part 3, so that the closure parts 2, 3 in the release direction L1, L2 by just the periodicity of the magnetic poles N, S of the magnet arrangement 21, 31 (corresponding to the spacing (the periodicity) of adjacent rows of structural elements 21, 31) are offset from one another.
  • each closure part 2, 3 structural elements 22, 32 which are aligned in a grid pattern to each other.
  • Each closure part 2, 3 is provided with several rows A, B, each with a plurality of structural elements 22, 32, which structurally interact when the closure parts 2, 3 are attached in such a way that a relative movement of the closure parts 2, 3 in the loading direction B1, B2 are locked to each other.
  • the structural elements 22, 32 of the different rows A, B are not offset from one another.
  • the structural elements 22, 32 of the different rows A, B of each closure part 2, 3 are thus aligned with one another (when viewed along the loading direction B1, B2).
  • the structural elements 22, 32 of adjacent rows A, B in the exemplary embodiment according to FIG 14 just about half the width of a structure element 22, 32 (measured transversely to the loading direction B1, B2) offset from one another.
  • the structural elements 22, 32 of the two closure parts 2, 3 act together in a locking manner when the closure parts 2, 3 are attached to one another.
  • the structural elements 22, 32 are each formed by a straight projection element extending obliquely to the loading direction B1, B2.
  • the structural elements 22, 32 of adjacent rows A, B are in this case arranged as mirror images of one another (the center line between the rows A, B corresponding to the mirror axis). Together, the structural elements 22, 32 thus block a relative movement of the closure parts 2, 3 in the loading direction B1, B2 and also transversely to the loading direction B1, B2.
  • the structural elements 22, 32 are V-shaped in their basic form, but are curved at their tips. In the closed position, the structural elements 22 of the first closure part 2 come to lie between the structural elements 32 of the other, second closure part 3 (viewed in the transverse direction Y transverse to the loading direction B1, B2).
  • the structural elements 22, 32 are formed in the shape of a circular arc.
  • the magnet arrangements 21, 31 can be aligned with one another just as is shown in an exemplary embodiment in FIG Figures 18A to 18C is shown.
  • the magnetic poles N, S are located opposite one another for attaching the closure parts 2, 3, the blocking surfaces 220, 320 of the structural elements 22, 32 of the two closure parts 2, 3 are spaced apart from one another.
  • the blocking surfaces 220, 320 do not come into direct contact with one another, but rather the structural elements 22, 32 come (initially) to lie between one another.
  • the blocking surfaces 220, 320 only come into contact with one another when there is a load in the load direction B1, B2, as in Figure 18C shown, so that a relative movement between the closure parts 2, 3 is blocked.
  • Figures 20 to 26 show different exemplary embodiments of magnet arrangements 21, 31 with magnetic poles N, S of different periodicity P2 (along the loading direction B1, B2) and with different shapes of the magnetic poles N, S.
  • the periodicity P2 of the magnet arrangement 21, 31 corresponds precisely to the periodicity P1 of the structural elements 22, 32.
  • the periodicity P2 of the magnet arrangement 21, 31 corresponds to four times the periodicity P1 of the structural elements 22, 32.
  • the number of positions in which the closure parts 2, 3 can be attached to one another in a magnetically attractive manner is thus significantly reduced.
  • Figures 22 to 24 show magnet arrangements 21 with different periodicity P2 along the loading direction B1, B2.
  • the periodicity P2 compared to the periodicity P2 of the embodiment according to 22 halved
  • the periodicity P2 of the magnetic poles N, S of the magnet arrangement 21 is halved compared to the periodicity P2 of the magnet arrangement 21 in the exemplary embodiment according to FIG 23 .
  • the magnetic poles N, S do not necessarily have to extend in a straight line along the transverse direction (or optionally also along the loading direction B1, B2), but can also have a V-shape, for example. It is also possible here, as in 26 shown to design the magnetic poles N, S in a zigzag shape, with a periodicity P3 along the transverse direction Y.
  • the closure device 1 with its closure parts 2, 3 can be flexible at least to a certain degree in order to be used, for example, on a piece of clothing or on a container. However, care must be taken here that torsion on the structural elements 22, 32 does not result in the structural elements 22, 32 are disengaged from each other when the closure parts 2, 3 are attached to one another and the connection between the closure parts 2, 3 is thus released.
  • the length X1 along which the structural element 22 acts to stiffen against a torsion T about the transverse direction Y corresponds precisely to the edge width over which the structural element 22 is attached to the body 20 of the associated Closure part 2 is attached.
  • a single structure element 22 (see for example 27 and 29 ) and also an arrangement of structural elements 22 (see Figures 31A and 31B ) can hardly counteract a torsion T, which acts around the transverse direction Y and leads to a curvature along the loading direction B1, B2.
  • the obliquely extending structural elements 22 also have the effect of self-reinforcing the connection between the closure parts 2, 3 33 and 34 is evident.
  • a force F is transferred to the structural elements 22 in a normal force FN and in a tangential force FQ, with the tangential force FQ acting in the direction of the adjacent structural element 22 along the transverse direction Y and is thus supported by this adjacent structural element 22.
  • This is how it works with the in 34 Structural element 22 shown below exerts the tangential force FQ obliquely upwards and is supported by the structural element 22 arranged above the structural element 22, so that the engagement of the arrangement of structural elements 22 of the closure part 2 in the associated structural elements 32 of the other closure part 3 is self-reinforcing and in particular along a transverse displacement the transverse direction Y is inhibited.
  • a roughening with (microscopically) small structural elements can be provided on the surfaces, which can protrude regularly or irregularly from the surface and thus form peaks and valleys arranged regularly or irregularly with respect to one another.
  • the closure parts can have a magnet arrangement of discrete permanent magnet elements, for example neodymium magnets.
  • the closure parts it is also conceivable and possible for the closure parts to have one or more magnetic foils which are glued or welded to the bodies of the closure parts.
  • the bodies of the closure parts themselves to be formed from a permanent magnetic (foil) material, for example by incorporating a magnetic powder.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Buckles (AREA)
  • Packages (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)

Claims (14)

  1. Dispositif de fermeture (1) destiné à relier deux pièces, comprenant
    - une première partie de fermeture (2) qui présente une première surface (203) avec un agencement de premiers éléments structurels (22) disposés sur celle-ci, et
    - une deuxième partie de fermeture (3) qui présente une deuxième surface (303) avec un agencement de deuxièmes éléments structurels (32) disposés sur celle-ci, la première partie de fermeture (2) et la deuxième partie de fermeture (3) pouvant être appliquées l'une contre l'autre de telle sorte, que la première surface (203) de la première partie de fermeture (2) est tournée vers la deuxième surface (303) de la deuxième partie de fermeture (3), de sorte que les premiers éléments structurels (22) et les deuxièmes éléments structurels (32) s'engagent les uns dans les autres de telle sorte qu'un mouvement des parties de fermeture (2, 3) l'une par rapport à l'autre le long d'un sens de charge (B1, B2) est bloqué,
    dans lequel la première partie de fermeture (2) comprend un premier agencement magnétique (21) ayant une pluralité de pôles magnétiques (N, S) décalés les uns par rapport aux autres le long de la première surface (203) et la deuxième partie de fermeture (3) comprend un deuxième agencement magnétique (31) ayant une pluralité de pôles magnétiques (N, S) décalés les uns par rapport aux autres le long de la deuxième surface (303),
    caractérisé en ce que
    les premiers éléments structurels (22) et/ou les deuxièmes éléments structurels (32) présentent, en vue de dessus sur la surface respective (203, 303), chacun une forme incurvée ou une forme en V, dans lequel sont agencées une pluralité de rangées (A, B) de premiers éléments structurels (22) en forme de V ou incurvée de manière décalée les unes par rapport aux autres le long du sens de charge (B1, B2) sur la première surface (203) et/ou une pluralité de rangées (A, B) de deuxièmes éléments structurels (32) en forme de V ou incurvée, de manière décalée les unes par rapport aux autres le long du sens de charge (B1, B2) sur la deuxième surface (303).
  2. Dispositif de fermeture (1) selon la revendication 1, caractérisé en ce que les premiers éléments structurels (22) et les deuxièmes éléments structurels (32) sont de forme identique.
  3. Dispositif de fermeture (1) selon la revendication 1 ou 2, caractérisé en ce que les premiers éléments structurels (22) présentent des premières surfaces de blocage (220) et les deuxièmes éléments structurels (32) présentent des deuxièmes surfaces de blocage (320), les premiers éléments structurels (22) et les deuxièmes éléments structurels (32) venant en contact de blocage les uns avec les autres par leurs surfaces de blocage (220, 320) lorsque les parties de fermeture (2, 3) sont chargées dans le sens de charge (B1, B2).
  4. Dispositif de fermeture (1) selon la revendication 3, caractérisé en ce que les premières surfaces de blocage (220) des premiers éléments structurels (22) sont orientées perpendiculairement à la première surface (203) et/ou les deuxièmes surfaces de blocage (320) des deuxièmes éléments structurels (32) sont orientées perpendiculairement à la deuxième surface (303).
  5. Dispositif de fermeture (1) selon la revendication 3, caractérisé en ce que les premières surfaces de blocage (220) des premiers éléments structurels (22) sont orientées selon un angle pour former une contre-dépouille par rapport à la première surface (203) et/ou les deuxièmes surfaces de blocage (320) des deuxièmes éléments structurels (32) sont orientées selon un angle pour former une contre-dépouille par rapport à la deuxième surface (303).
  6. Dispositif de fermeture (1) selon l'une quelconque des revendications 3 à 5, caractérisé en ce que les premiers éléments structurels (22) présentent des premières surfaces de montée (220) et les deuxièmes éléments structurels (32) présentent des deuxièmes surfaces de montée (320), les premiers éléments structurels (22) et les deuxièmes éléments structurels (32) montant les uns sur les autres avec leurs surfaces de montée (220, 320) lorsque les parties de fermeture (2, 3) sont chargées dans le sens opposé au sens de charge (B1, B2).
  7. Dispositif de fermeture (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que les premiers éléments structurels (22) et/ou les deuxièmes éléments structurels (32) présentent chacun au moins une branche (222, 322) s'étendant le long de la surface associée (203, 303), qui est orientée selon un angle oblique par rapport au sens de charge (B1, B2).
  8. Dispositif de fermeture (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le premier agencement magnétique (21) et/ou le deuxième agencement magnétique (31) est formé au moins partiellement par un agencement d'éléments magnétiques permanents ou par une feuille magnétique permanent multipolaire.
  9. Dispositif de fermeture (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que les pôles magnétiques (N, S) du premier agencement magnétique (21) et/ou les pôles magnétiques (N, S) du deuxième agencement magnétique (31) sont alignés périodiquement.
  10. Dispositif de fermeture (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que les pôles magnétiques (N, S) du premier agencement magnétique (21) et/ou les pôles magnétiques (N, S) du deuxième agencement magnétique (31) sont alignés le long du sens de charge (B1, B2).
  11. Dispositif de fermeture (1) selon la revendication 10, caractérisé en ce que les premiers éléments structurels (22) et/ou les deuxièmes éléments structurels (32) présentent une première périodicité (P1) et les pôles magnétiques (N, S) du premier agencement magnétique (21) et/ou les pôles magnétiques (N, S) du deuxième agencement magnétique (31) présentent une deuxième périodicité (P2), la première périodicité (P1) correspondant à la deuxième périodicité (P2) ou à un multiple entier de la deuxième périodicité (P2).
  12. Dispositif de fermeture (1) selon la revendication 10 ou 11, caractérisé en ce que les premiers éléments structurels (22) et les deuxièmes éléments structurels (32) sont agencés sur les parties de fermeture (2, 3) de telle sorte que les parties de fermeture (2, 3) peuvent être déplacées l'une par rapport à l'autre d'une voie de libération (LW) dans le sens opposé au sens de charge (B1, B2), et lors du déplacement de la voie de libération (LW), des pôles magnétiques (N, S) de même nom des agencements magnétiques (21, 31) viennent en position opposée l'un par rapport à l'autre en se repoussant magnétiquement.
  13. Dispositif de fermeture (1) selon l'une quelconque des revendications 10 à 12, caractérisé en ce que le premier agencement magnétique (21) et le deuxième agencement magnétique (31) sont agencés par rapport aux éléments structurels (22, 32) respectivement associés de telle sorte qu'après la mise en place des parties de fermeture (2, 3) l'une contre l'autre, les parties de fermeture (2, 3) peuvent être déplacées l'une par rapport à l'autre dans un état non chargé transversalement au sens de charge (B1, B2).
  14. Fermeture textile destiné à relier de pièces textiles, par exemple pour un soutien-gorge, avec un dispositif de fermeture selon l'une quelconque des revendications précédentes.
EP17783730.9A 2016-09-22 2017-09-21 Dispositif de fermeture destiné à relier deux pièces Active EP3515224B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016218267.6A DE102016218267A1 (de) 2016-09-22 2016-09-22 Verschlussvorrichtung zum Verbinden zweier Teile
PCT/EP2017/073898 WO2018055033A1 (fr) 2016-09-22 2017-09-21 Dispositif de fermeture destiné à relier deux pièces

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EP3515224A1 EP3515224A1 (fr) 2019-07-31
EP3515224B1 true EP3515224B1 (fr) 2022-12-28

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US (1) US10893714B2 (fr)
EP (1) EP3515224B1 (fr)
JP (1) JP7016871B2 (fr)
CN (1) CN109788816B (fr)
DE (1) DE102016218267A1 (fr)
WO (1) WO2018055033A1 (fr)

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US20210267321A1 (en) * 2020-02-19 2021-09-02 Leonard A. Duffy Self-Sealing Closure System and Method
US20220346351A1 (en) * 2021-04-30 2022-11-03 Jeanne SHIGO Horse covering using magnetic couplings

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Publication number Publication date
US10893714B2 (en) 2021-01-19
CN109788816B (zh) 2021-09-21
US20190261712A1 (en) 2019-08-29
DE102016218267A1 (de) 2018-03-22
JP2019529033A (ja) 2019-10-17
JP7016871B2 (ja) 2022-02-07
WO2018055033A1 (fr) 2018-03-29
CN109788816A (zh) 2019-05-21
EP3515224A1 (fr) 2019-07-31

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