EP0401574B1 - Snap fastener unit - Google Patents

Snap fastener unit Download PDF

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Publication number
EP0401574B1
EP0401574B1 EP90109424A EP90109424A EP0401574B1 EP 0401574 B1 EP0401574 B1 EP 0401574B1 EP 90109424 A EP90109424 A EP 90109424A EP 90109424 A EP90109424 A EP 90109424A EP 0401574 B1 EP0401574 B1 EP 0401574B1
Authority
EP
European Patent Office
Prior art keywords
rivet
snap fastener
connection according
plate
fastener connection
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.)
Expired - Lifetime
Application number
EP90109424A
Other languages
German (de)
French (fr)
Other versions
EP0401574A3 (en
EP0401574A2 (en
Inventor
Bernhard Dipl.-Ing. Nysten
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
William Prym GmbH and Co KG
Original Assignee
William Prym GmbH and Co KG
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 William Prym GmbH and Co KG filed Critical William Prym GmbH and Co KG
Publication of EP0401574A2 publication Critical patent/EP0401574A2/en
Publication of EP0401574A3 publication Critical patent/EP0401574A3/en
Application granted granted Critical
Publication of EP0401574B1 publication Critical patent/EP0401574B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A44HABERDASHERY; JEWELLERY
    • A44BBUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B17/00Press-button or snap fasteners
    • A44B17/0064Details
    • A44B17/0088Details made from sheet metal
    • AHUMAN NECESSITIES
    • A44HABERDASHERY; JEWELLERY
    • A44BBUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B17/00Press-button or snap fasteners
    • A44B17/0005Fastening of press-button fasteners
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00Buckles, buttons, clasps, etc.
    • Y10T24/45Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45225Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
    • Y10T24/45602Receiving member includes either movable connection between interlocking components or variable configuration cavity
    • Y10T24/45775Receiving member includes either movable connection between interlocking components or variable configuration cavity having resiliently biased interlocking component or segment
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00Buckles, buttons, clasps, etc.
    • Y10T24/45Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45225Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
    • Y10T24/45602Receiving member includes either movable connection between interlocking components or variable configuration cavity
    • Y10T24/45775Receiving member includes either movable connection between interlocking components or variable configuration cavity having resiliently biased interlocking component or segment
    • Y10T24/45874Receiving member includes either movable connection between interlocking components or variable configuration cavity having resiliently biased interlocking component or segment having axially extending expansion slit along side of cavity

Definitions

  • the invention is directed to a push-button connection of the type specified in the preamble of claim 1.
  • This first comprises the functional parts relevant to the desired push-button effect, which have mutually complementary male or female closing surfaces and are therefore referred to in short as “male part” and “female part” should.
  • These closing surfaces are arranged on the upper side of a plate, the underside of which has a rivet receptacle for a rivet part serving to secure it.
  • the rivet part consists of a flange with a shaft protruding from the top of the flange.
  • the male and female parts are, each in alignment with their closing surfaces, attached to two superimposed support tracks, the z. B. form the two overlapping sheets of a garment.
  • the procedure is always such that the die part is placed on the rear surface of the upper support track and the die part is placed on the front surface of the lower support track and is fastened by the associated rivet parts located on the counter surfaces.
  • the shafts of the rivet parts penetrate the associated support path, engage with the end of the shaft in the rivet holder and are deformed there.
  • the flange of the rivet part belonging to the die part is on the front surface of the upper support track and the male part on the front surface of the lower support track.
  • textile membranes equipped with climate membranes are used, which are waterproof and windproof from the outside, but remain breathable from the inside.
  • the textile webs are forcibly perforated, which impairs the sealing effect at this point.
  • the invention has for its object to develop an inexpensive push-button connection of the type specified in the preamble of claim 1, which can be produced quickly and easily and, after attaching its push-button functional parts, is distinguished by a good seal at its fastening point. This is achieved according to the invention by the measures specified in the characterizing part of claim 1, which have the following special significance.
  • the sealing effect of the rivet part there is of primary importance.
  • a flow path for wind and weather through a tubular hollow shaft is excluded by the plug made of sealing material inside the tube.
  • a flow in the circumferential area of the hollow shaft is prevented because the layer covering made of sealing material sitting on the flange is pressed against the carrier track. This is optimized in particular if, according to claim 3, the adjoining foot region of the shaft is also covered by the sealing material.
  • the male part on the front surface primarily performs the sealing function on the lower panel.
  • the flow path in the interior of a rivet shaft is prevented because a layered layer is formed in the region of the pot cavity serving as the rivet receptacle other material is located, which generates a rivet receptacle in the central area for the shaft end of the rivet part.
  • a flow between the underside of the plate and the carrier is also excluded, because the sealing material also extends over the adjacent ring zone of the plate and also takes on sealing effects there. This applies all the more if a hollow shaft of the rivet shaft belonging to the male part has a closed shaft end. Not only the fastening security, but also the tightness are increased by the deformation of the shaft end, because the layer support located in the cavity of the pot is pressed against the pot wall.
  • the male part like the female and rivet parts, consists of a sheet metal body.
  • the male part In order to be able to use the available processing machines for attaching the push-button connection to the supporting track, it is advisable to adhere to the dimensions according to claim 4 for the arrangement of the sealing material.
  • the complete push-button connection consists of two complementary functional parts 20, 30 and associated rivet parts 10, 10 'for their attachment to a support track 50, 50', for. B. a garment.
  • the functional parts are designed as male part 20 and female part 30 and also have different sealing means which can be preassembled with them.
  • the rivet parts 10, 10 ' are designed differently from one another despite their analog structure.
  • the male member is a structural unit 60 composed of two components, namely a rotationally symmetrical shaped sheet metal body 20 and a sealing means designed here as a hat body 40.
  • the sheet metal body 20 is formed in one piece, but can be divided into a profiled plate 23 on the one side, here designated "top 26", the usual male-shaped closing surfaces 22 are arranged, consisting of a narrowed neck with a widened head.
  • the sheet metal body is thus the actual male part 20 for the push-button effect.
  • the male part 20 Seen from the underside 24 of the plate 23, the male part 20 is designed as a pot, which creates a pot cavity 25. This extends not only over the central region 27 shown in FIG.
  • the plate 23 is provided with a depression 29 on the underside.
  • a narrowing 21 of the inner clear width automatically arises between the head and the neck of the male-shaped closing surfaces 22.
  • a hat body 40 is assigned to the male part 20. It is designed as a rotating body and consists of an elastically resilient material, namely in particular plastic. Despite its one-piece design, the hat body 40 can be divided into a hat brim 21 with a circular outline and a hat cap 42. Inside the hat cap 42 there is a cylindrically shaped hat space 43. The wall thickness 46 of the hat is non-uniform; in the area of the hat cap 42 there is a wall reinforcement which is particularly thick in the area of the hat cover 44. On the outer profile outline, the hat cap 42 is provided with a head-like widening 45, which forms a coupling means for preassembly with the male part 20, the result of which can be seen in FIG. 2.
  • the union of the two components 20, 40 is achieved simply by axially pressing against one another.
  • the hat body 40 is inserted through the pot opening in the plate underside 24 into the pot cavity 25, its head-shaped widening 45 snapping through the aforementioned constriction 21 in the pot interior 25 due to the elasticity of the hat material.
  • FIG. 2 A preassembled unit 60 is obtained from the components 20, 40.
  • the hat body 40 has an outline 47 which already ensures that the hat body 40 is flush with the unit 60.
  • the hat brim 41 comes to lie essentially flush with the underside of the plate 24 according to FIG. 2 because of the adapted dimensioning of the depression 29.
  • the rivet part 10 shown in FIG. 2 is used to attach the structural unit 60.
  • This consists first of all of a flange 11 designed as a rotating body made of sheet metal, on the flange top 13 of which a hollow shaft 12 rises.
  • the hollow shaft 12 is formed here with a closed shaft end 18, which ends with a tip 16.
  • the flange 11 can be covered on its underside by a spherical cap 14 which is flanged around the flange edge and therefore produces a depression 19 on the underside of the flange.
  • the flange 11 and the spherical cap 14 form an overall flange 78 on the rivet part 10.
  • the rivet part 10 is also expediently designed as a structural unit with a sealant.
  • This consists of a disk 48 made of resilient material, in particular plastic.
  • the connection comes about simply because the hollow shaft 12 impaled the plastic disc 48 with its tip 16.
  • the disc 48 can advantageously be pre-punched, as can be seen from 49. This can result in a collar-shaped formation 62 of the disk material which, in the finished attachment state after the riveting process, as shown in FIG. 4, lies in the foot piece 17 of the hollow shaft 12, which adjoins the flange top 13.
  • the plastic disk 48 which is effective on the rear surface 52 of the supporting track and, as can be seen in FIG. 4, is pressed against the supporting track 50 by the rivet flange 11.
  • the plastic disk 48 covers the already mentioned foot piece 17 of the rivet shank 12 with its sealing material, whereby there may even be an interaction with the sealing material of the cap body 40.
  • the support track 50 is strongly clamped; one can speak of "pinching".
  • the metallic underside 24 of the plate 23 comes to rest on the front surface 51 and presses the supporting track 50 against the flange 11.
  • Fig. 3 shows an alternative embodiment of the male plate 23 '.
  • the depression 29 'already described has come about in that the outer plate edge 58 has been flanged inwards.
  • the depression 29 ′ produced has a depth which corresponds approximately to the wall thickness 46 of the brim 41.
  • a further alternative consists in pouring a sealing material in an initially flowable form into the pot interior 25 instead of a prefabricated hat body 40, so that after hardening there is a layer covering which in principle corresponds to the function of the hat body 40.
  • a layer covering which in principle corresponds to the function of the hat body 40.
  • the rivet part 10 'of FIG. 5 has a hollow shaft 12 which is provided with an end opening 16' in its shaft end 18, which is why the tube interior 15 is open towards the upper side 13 of the flange, which points downwards in FIG. 5.
  • the flange plate 11 is profiled differently compared to the embodiment of FIG. 2, which is why the depression 19 extends only to the inner flange area.
  • a spherical cap 14 is provided, which flanges the peripheral region of the flange 11 and also holds an insert plate 59, which is underlaid on the flange 11.
  • the foot piece 17 of the hollow shaft 12 is slightly conical instead of cylindrical, as in the first embodiment.
  • the rivet part 10 ' is also provided with a sealing material 63 which, in this embodiment, is initially applied in liquid form to the flange underside 13 of the finished rivet part 10' and cures there. This flows into the depression 19 of the plate 11 and creates a plastic filling 64 there, as well as through the shaft opening 16 'into the tube interior 15 and forms a stopper 65 there.
  • the plastic filling 64 covers both the conical foot piece 17 and even the adjoining area of the hollow shaft 12.
  • this rivet part 10 ′ serves to attach a die part 30, which in the present case consists of a structural unit 60 ′ comprising two components.
  • the second component of the structural unit 60 ' likewise consists of a prefabricated sealing means, namely a profiled disk 70, which has the special appearance which can be seen in the lower region of FIG. 5.
  • the profile can best be described as an ⁇ -shaped longitudinal profile, consisting of a central curvature 72, which is surrounded by an essentially flat ring 73.
  • projections 75 On the concave side of the arch 72, namely in the interior 74 of the arch, there are projections 75, which in the present case consist of an annular circumferential collar. The collar 75 tapers off conically.
  • This profiled disk 70 is now preassembled with the actual die part 30, which has the following appearance, which can be seen at the bottom of FIG. 5.
  • the die part 30 also consists of a sheet metal body that can be divided into a flanged plate 31 and a dome 37.
  • the dome 37 creates a closing opening 36 on the "plate top 33" pointing downward in FIG. 5, in which the actual die-shaped closing surfaces 32 are located.
  • the dome 37 rises up on the underside of the plate 34 and produces a rivet receptacle 35 inside, which is accessible through a central opening 39 in the dome floor.
  • the matrix-shaped closing surfaces come about here through a double S spring 32 known per se, the inner spring legs of which protrude through lateral slots 38 in the dome 37. When the above-described male part 20 and the structural unit 60 formed by it couple in and out, the inner legs spring radially into the slots 38.
  • the dome 37 projects beyond the underside of the plate 34 by the amount which is adapted in profile to the above-described interior 74 of the curved disk 70.
  • the aforementioned structural unit 60 'made up of the two components 30, 70 comes together by simply axially pressing the preliminary products against one another.
  • the profile disk 70 is pressed against the underside of the plate 34.
  • the collar 75 is briefly deformed until it snaps through the narrowed opening 39 into the interior of the dome 37.
  • the collar 76 then engages behind the undercut wall regions 66 of the dome 37, which is why there is a snap-in connection of the two components 30, 70 which ensures sufficient cohesion.
  • the parts 30, 70 are coupled to one another to form a structural unit 60 ', which is handled as one piece in the processing machines now coming into play, which are used to rivet them onto the fabric web 50'.
  • FIG. 5 shows the positioning of the components which is decisive during the riveting process, for which purpose the structural unit 60 'would have to be preassembled.
  • This assembly 60 ' comes to rest on the rear surface 52' of the fabric web by the associated tool of the processing machine, while the rivet part 10 'described above reaches the front surface 51'.
  • Move the two tools of the processing machine the two parts 10 ', 60' axially against each other, the hollow shaft 12 with its tube opening 16 'making its own way through the supporting path 50' and at the same time punching out a bottom piece 77 recognizable from FIG. 6 in the apex region 76 of the profiled disk 70.
  • the riveting process results in a deformation 18 ′ of the shaft end that can be seen in FIG. 6.
  • the punched-out bottom piece 77 can remain in the tube interior 15. However, this is immaterial because the sealing effect against the flow path of wind and weather, which is also indicated here by arrows 55, closes the plug interior 15 in this area of the plug 65.
  • the lateral plastic fillings 64 of the sealing material 63 can be pressed together by interaction with the outer surface of the sealing disk 70 and ensure a circumferential seal in the track hole. 6, the edge zones of the supporting track hole can then also be pressed together between the mutually guided surfaces of the plastic filling 63 in the rivet part 10 on the one hand and the outer surface of the profiled disk 70 on the other hand; these plastic parts then act like two press jaws.
  • FIG. 7 shows an alternative of a die part 10 ', which in this respect has the basic structure already described.
  • a hat body 40 ' which has already been explained in connection with FIG. 1 is used here, which in principle has the same structure as in FIG. 1, which is why the previous description applies to this extent.
  • the flange can have a somewhat modified profile 11 ′, which produces the corresponding depression 69 for the brim 41.
  • This hat body 40 ' is preassembled with the rivet part 10' to form a structural unit 80 according to FIG. 7.
  • the hat body 40 is moved axially over the hollow shaft 12, which is also open here, whereby the free shaft edge 16 ′ from the hat cover 44 cuts out a stopper, which here has a particularly pronounced wall thickness 67 due to an internal crowning. So that the tube interior 15 is already sealed.
  • the hat cap 42 thus acts like a stocking which is pulled over the hollow shaft 12.
  • the shaft end 18 protrudes from the hat cover 44 in order to move into the described rivet receptacle 35 of the die part during the riveting process and to be deformed there with the rivet counter tool in the manner already apparent from FIG. 6 at 18 '.
  • the hat body 40 or 40 ' can serve two applications, namely to be sealing means both for the male part 20 and indirectly, via the rivet part 10', for the female part 30. In this case, it is no longer necessary to use the profiled disk 70 described in connection with FIG. 5 for the die part 30.
  • FIG. 8 shows a structural unit 90 which is modified compared to the embodiment of FIGS. 1 and 2, in which the shape of the male part 20 has been retained, but the hat body 91, which is likewise made of plastic, has a modified shape. It is therefore sufficient to describe only the differences. In all other respects, the previous description applies. Except for a recess 92, the interior of the hat 93 is solid. After the parts 20, 91 have been assembled, this recess 92 appears on the underside 24 of the plate and is used during the riveting process to center a tapered shaft end from the associated rivet part. This rivet part could also be solid.
  • the top of the hat is provided with a recess 94, which is why a larger chamber 95 is formed in the interior of the pot when the assembly 90 is assembled.
  • the plastic of the hat body 91 is elastically deformable when the rivet shaft penetrates into the interior of the pot and is displaced into the chamber 95 and compressed in itself. This promotes the strength of the rivet connection of the assembly 90 on a support track.

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  • Insertion Pins And Rivets (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)

Description

Die Erfindung richtet sich auf eine Druckknopfverbindung der im Oberbegriff des Anspruches 1 angegebenen Art. Diese umfaßt zunächst die für den gewünschten Druckknopf-Effekt maßgeblichen Funktionsteile, welche zueinander komplementäre patrizenförmige bzw. matrizenförmige Schließflächen aufweisen und daher kurz "Patrizenteil" und "Matrizenteil" bezeichnet werden sollen. Diese Schließflächen sind auf der Oberseite eines Tellers angeordnet, dessen Unterseite eine Nietaufnahme für einen zu ihrer Befestigung dienenden Nietteil besitzt. Der Nietteil besteht aus einem Flansch mit einem auf der Flansch-Oberseite emporragenden Schaft.The invention is directed to a push-button connection of the type specified in the preamble of claim 1. This first comprises the functional parts relevant to the desired push-button effect, which have mutually complementary male or female closing surfaces and are therefore referred to in short as "male part" and "female part" should. These closing surfaces are arranged on the upper side of a plate, the underside of which has a rivet receptacle for a rivet part serving to secure it. The rivet part consists of a flange with a shaft protruding from the top of the flange.

Die Patrizen- und Matrizenteile werden, jeweils in Ausrichtung mit ihren Schließflächen, an zwei übereinander liegenden Tragbahnen befestigt, die z. B. die beiden einander überlappenden Bahnen eines Kleidungsstücks bilden. Bei der Montage dieser Funktionsteile wird stets so vorgegangen, daß auf der Rückfläche der oberen Tragbahn der Matrizenteil und auf der Vorderfläche der unteren Tragbahn der Matrizenteil aufgelegt und durch die auf den Gegenflächen befindlichen zugehörigen Nietteile befestigt werden. Dazu durchsetzen die Schäfte der Nietteile die zugehörige Tragbahn, greifen mit ihrem Schaftende in die Nietaufnahme ein und werden dort deformiert. Nach der Montage befindet sich somit auf der Vorderfläche der oberen Tragbahn der Flansch des zum Matrizenteil gehörenden Nietteils und auf der Vorderfläche der unteren Tragbahn der Patrizenteil. Diese Vorderflächen der Tragbahnen sind dem Wetter ausgesetzt, weshalb Abdichtungsprobleme sich vor allem an den dort befindlichen Teilen ergeben, nämlich dem Nietteil des Matrizenteils und dem Patrizenteil. Störend wirkt sich dies vor allem in der Komfort-klasse von Sport- und Freizeitbekleidung aus.The male and female parts are, each in alignment with their closing surfaces, attached to two superimposed support tracks, the z. B. form the two overlapping sheets of a garment. When assembling these functional parts, the procedure is always such that the die part is placed on the rear surface of the upper support track and the die part is placed on the front surface of the lower support track and is fastened by the associated rivet parts located on the counter surfaces. For this purpose, the shafts of the rivet parts penetrate the associated support path, engage with the end of the shaft in the rivet holder and are deformed there. After assembly, the flange of the rivet part belonging to the die part is on the front surface of the upper support track and the male part on the front surface of the lower support track. These front surfaces of the runways are weather exposed, which is why sealing problems arise primarily on the parts located there, namely the rivet part of the female part and the male part. This is particularly disruptive in the comfort class of sports and leisure clothing.

Für solche Bekleidungsstücke werden mit Klima-Membranen ausgerüstete Textilbahnen verwendet, welche zwar von außen her wasserdicht und winddicht sind, von innen her aber atmungsaktiv bleiben. Beim Vernieten der Druckknopfverbindungen werden aber die Textilbahnen zwangsweise durchlocht, womit an dieser Stelle die Abdichtwirkung beeinträchtigt ist. Zwar ist es möglich, die davon beeinträchtigten Stellen nachträglich mit Schweißbändern innenseitig zu versiegeln, doch erfordern diese Maßnahmen zusätzliches Material sowie weitere Arbeitsgänge, die zu einer Verteuerung des Produkts führen. Außerdem ist das gute Aussehen solcher Bekleidungsstücke beeinträchtigt.For such items of clothing, textile membranes equipped with climate membranes are used, which are waterproof and windproof from the outside, but remain breathable from the inside. When riveting the push-button connections, the textile webs are forcibly perforated, which impairs the sealing effect at this point. Although it is possible to subsequently seal the affected areas on the inside with sweatbands, these measures require additional material and additional work steps that make the product more expensive. In addition, the good appearance of such clothing is impaired.

Der Erfindung liegt die Aufgabe zugrunde, eine preiswerte Druckknopfverbindung der im Oberbegriff des Anspruches 1 angegebenen Art zu entwickeln, die sich bequem und schnell herstellen läßt und nach Anbringung ihrer Druckknopf-Funktionsteile sich durch eine gute Abdichtung an ihrer Befestigungsstelle auszeichnet. Dies wird erfindungsgemäß durch die im Kennzeichen des Anspruches 1 angeführten Maßnahmen erreicht, denen folgende besondere Bedeutung zukommt.The invention has for its object to develop an inexpensive push-button connection of the type specified in the preamble of claim 1, which can be produced quickly and easily and, after attaching its push-button functional parts, is distinguished by a good seal at its fastening point. This is achieved according to the invention by the measures specified in the characterizing part of claim 1, which have the following special significance.

Beim an der oberen Tragbahn befestigten Matrizenteil kommt es zunächst auf die Dichtwirkung des dortigen Nietteils an. Ein Strömungsweg für Wind und Wetter durch einen rohrförmigen Hohlschaft ist durch den im Rohrinneren sitzenden Stopfen aus Dichtmaterial ausgeschlossen. Zugleich ist eine Strömung im Umfangsbereich des Hohlschafts verhindert, weil die auf dem Flansch sitzende Schichtauflage aus Dichtmaterial gegen die Tragbahn gedrückt wird. Dies wird insbesondere dann optimiert, wenn, gemäß Anspruch 3, auch der sich daran anschließende Fußbereich des Schafts von dem Dichtmaterial mit umkleidet wird. An der unteren Stoffbahn übernimmt der an der Vorderfläche sitzende Patrizenteil primär die Dichtfunktion. Der Strömungsweg im Inneren eines ggf. endseitig offenen Nietschafts ist verhindert, weil im Bereich des als Nietaufnahme dienenden Topf-Hohlraums sich eine Schichtauflage aus anderem Material befindet, die im Zentralbereich eine Nietaufnahme für das Schaftende des Nietteils erzeugt. Auch eine Strömung zwischen der Tellerunterseite und dem Träger ist ausgeschlossen, weil das Dichtmaterial sich auch über die angrenzende Ringzone des Tellers erstreckt und dort ebenfalls Dichtwirkungen übernimmt. Dies gilt erst recht, wenn ein Hohlschaft des zum Patrizenteil gehörenden Nietschafts ein geschlossenes Schaftende besitzt. Nicht nur die Befestigungssicherheit, sondern auch die Dichtigkeit werden durch die Verformung des Schaftendes erhöht, weil die im Topf-Hohlraum befindliche Schichtauflage gegen die Topfwand verpreßt wird. Der Patrizenteil besteht, ebenso wie die Matrizen- und Nietteile aus einem Blechformkörper. Um die verfügbaren Verarbeitungsmaschinen zur Anbringung der Druckknopfverbindung an der Tragbahn nutzen zu können, empfiehlt es sich, für die Anordnung des Dichtmaterials die Dimensionen gemäß Anspruch 4 einzuhalten.In the case of the die part attached to the upper support track, the sealing effect of the rivet part there is of primary importance. A flow path for wind and weather through a tubular hollow shaft is excluded by the plug made of sealing material inside the tube. At the same time, a flow in the circumferential area of the hollow shaft is prevented because the layer covering made of sealing material sitting on the flange is pressed against the carrier track. This is optimized in particular if, according to claim 3, the adjoining foot region of the shaft is also covered by the sealing material. The male part on the front surface primarily performs the sealing function on the lower panel. The flow path in the interior of a rivet shaft, which may be open at the end, is prevented because a layered layer is formed in the region of the pot cavity serving as the rivet receptacle other material is located, which generates a rivet receptacle in the central area for the shaft end of the rivet part. A flow between the underside of the plate and the carrier is also excluded, because the sealing material also extends over the adjacent ring zone of the plate and also takes on sealing effects there. This applies all the more if a hollow shaft of the rivet shaft belonging to the male part has a closed shaft end. Not only the fastening security, but also the tightness are increased by the deformation of the shaft end, because the layer support located in the cavity of the pot is pressed against the pot wall. The male part, like the female and rivet parts, consists of a sheet metal body. In order to be able to use the available processing machines for attaching the push-button connection to the supporting track, it is advisable to adhere to the dimensions according to claim 4 for the arrangement of the sealing material.

Weitere Maßnahmen und Vorteile der Erfindung ergeben sich aus den weiteren Ansprüchen, den Zeichnungen und der nachfolgenden Beschreibung. In den Zeichnungen ist die Erfindung in mehreren Ausführungsbeispielen dargestellt. Es zeigen, jeweils in starker Vergrößerung und im Axialschnitt:

Fig. 1
die beiden Bestandteile eines Patrizenteils nach der Erfindung vor ihrer Zusammenfügung,
Fig. 2
die zur Montage an einer Tragbahn dienenden Teile, nämlich eine aus den Bestandteilen von Fig. 1 erzeugte Baueinheit einerseits und der zugehörige Nietteil andererseits, der teilweise ausgebrochen dargestellt ist,
Fig. 3
ein Teilstück eines alternativ gegenüber Fig. 2 ausgebildeten Patrizenteils,
Fig. 4
die an der Tragbahn fertig montierten Teile von Fig. 2,
Fig. 5
in einer zur Fig. 2 entsprechenden Darstellung die zur Befestigung eines Matrizenteils dienenden Teile in ihrer Anordnung beidseitig der Tragbahn, nämlich ein Nietteil einerseits und die zum Matrizenglied gehörenden Bestandteile andererseits, vor ihrer Vormontage,
Fig. 6
die in Fig. 5 gezeigten Teile nach ihrer Befestigung an der Tragbahn,
Fig. 7
eine zu Fig. 5 alternative Ausbildung eines Nietteils und
Fig. 8
eine alternative Ausbildung des einen Bestandteils von Fig. 1 nach seiner Vereinigung mit dem Patrizenteil zu einer Baueinheit.
Further measures and advantages of the invention result from the further claims, the drawings and the following description. The invention is shown in several exemplary embodiments in the drawings. They show, in high magnification and in axial section:
Fig. 1
the two components of a male part according to the invention before their assembly,
Fig. 2
the parts used for mounting on a support track, namely a structural unit produced from the components of FIG. 1 on the one hand and the associated rivet part on the other hand, which is shown partially broken away,
Fig. 3
a portion of a male part designed as an alternative to FIG. 2,
Fig. 4
the parts of Fig. 2 fully assembled on the support track,
Fig. 5
in a representation corresponding to FIG. 2, the parts used for fastening a die part in their arrangement on both sides the supporting track, namely a riveted part on the one hand and the components belonging to the die member on the other hand, before their pre-assembly,
Fig. 6
the parts shown in Fig. 5 after their attachment to the supporting track,
Fig. 7
an alternative to Fig. 5 design of a rivet and
Fig. 8
an alternative embodiment of the one component of Fig. 1 after its union with the male part to form a structural unit.

Die vollständige Druckknopfverbindung nach der Erfindung besteht aus zwei zueinander komplementären Funktionsteilen 20, 30 sowie zugehörigen Nietteilen 10, 10' zu ihrer Anbringung an einer Tragbahn 50, 50', z. B. einem Kleidungsstück. Die Funktionsteile sind als Patrizenteil 20 und Matrizenteil 30 ausgebildet und besitzen auch unterschiedliche mit ihnen vormontierbare Dichtungsmittel. Auch die Nietteile 10, 10' sind trotz ihres analogen Aufbaus zueinander unterschiedlich ausgebildet.The complete push-button connection according to the invention consists of two complementary functional parts 20, 30 and associated rivet parts 10, 10 'for their attachment to a support track 50, 50', for. B. a garment. The functional parts are designed as male part 20 and female part 30 and also have different sealing means which can be preassembled with them. The rivet parts 10, 10 'are designed differently from one another despite their analog structure.

Ausweislich der Fig. 1 ist das Patrizenglied eine Baueinheit 60 aus zwei Bestandteilen, nämlich einem rotationssymmetrisch gestalteten Blechformkörper 20 und einem hier als Hutkörper 40 gestalteten Dichtungsmittel. Der Blechformkörper 20 ist einstückig ausgebildet, läßt sich aber gliedern in einen profilierten Teller 23 auf dessen einen, hier mit "Oberseite 26" bezeichneten Seite die üblichen patrizenförmigen Schließflächen 22 angeordnet sind, bestehend aus einem verengten Hals mit einem demgegenüber verbreiterten Kopf. Der Blechformkörper ist somit für den Druckknopfeffekt der eigentliche Patrizenteil 20. Von der Unterseite 24 des Tellers 23 aus gesehen, ist der Patrizenteil 20 als Topf ausgebildet, der einen Topf-Hohlraum 25 erzeugt. Dieser erstreckt sich nicht nur über den aus Fig. 1 ersichtlichen Zentralbereich 27 der auf der Teller-Oberseite 26 befindlichen Schließflächen 22, sondern auch über die sich daran anschließende Ringzone 28 des Tellers 23. Dazu ist der Teller 23 mit einer unterseitigen Einsenkung 29 versehen. Im Topfhohlraum 25 entsteht zwischen dem Kopf und dem Hals der patrizenförmigen Schließflächen 22 automatisch eine Verengung 21 der inneren lichten Weite.1, the male member is a structural unit 60 composed of two components, namely a rotationally symmetrical shaped sheet metal body 20 and a sealing means designed here as a hat body 40. The sheet metal body 20 is formed in one piece, but can be divided into a profiled plate 23 on the one side, here designated "top 26", the usual male-shaped closing surfaces 22 are arranged, consisting of a narrowed neck with a widened head. The sheet metal body is thus the actual male part 20 for the push-button effect. Seen from the underside 24 of the plate 23, the male part 20 is designed as a pot, which creates a pot cavity 25. This extends not only over the central region 27 shown in FIG. 1 of the closing surfaces 22 located on the plate top 26, but also over the adjoining ring zone 28 of the plate 23. For this purpose, the plate 23 is provided with a depression 29 on the underside. In the pot cavity 25, a narrowing 21 of the inner clear width automatically arises between the head and the neck of the male-shaped closing surfaces 22.

Dem Patrizenteil 20 ist ein Hutkörper 40 zugeordnet. Er ist als Rotationskörper gestaltet und besteht aus elastisch nachgiebigem Werkstoff, nämlich insbesondere Kunststoff. Trotz seiner einstückigen Ausbildung läßt sich der Hutkörper 40 in eine Hutkrempe 21 mit kreisförmigem Umriß und eine Hut-Kappe 42 gliedern. Im Inneren der Hut-Kappe 42 befindet sich hier ein zylindrisch gestalteter Hutraum 43. Die Wandstärke 46 des Huts ist ungleichförmig gestaltet; im Bereich der Hut-Kappe 42 liegt eine Wandverstärkung vor, die im Bereich der Hut-Decke 44 besonders dick ausgebildet ist. Am äußeren Profilumriß ist die Hut-Kappe 42 mit einer kopfartigen Verbreiterung 45 versehen, die ein Kupplungsmittel für eine Vormontage mit dem Patrizenteil 20 bildet, deren Ergebnis aus Fig. 2 ersichtlich ist. Die Vereinigung der beiden Bestandteile 20, 40 kommt einfach durch axiales Gegeneinanderdrücken zustande. Der Hutkörper 40 wird durch die Topföffnung in der Tellerunterseite 24 in den Topfhohlraum 25 eingeführt, wobei seine kopfförmige Verbreiterung 45 durch die oben erwähnte Verengung 21 im Topfinneren 25 aufgrund der Elastizität des Hutmaterials hindurch schnappt. Das Ergebnis ist aus Fig. 2 zu ersehen. Man erhält eine vormontierte Baueinheit 60 aus den Bestandteilen 20, 40. Ausweislich der Fig. 1 besitzt der Hutkörper 40 einen Umriß 47, der für eine bündige Anlage des Hutkörpers 40 in der Baueinheit 60 bereits sorgt. Die Hutkrempe 41 kommt wegen der angepaßten Bemessung der Einsenkung 29 im wesentlichen bündig mit der Tellerunterseite 24 gemäß Fig. 2 zu liegen. Dadurch erhält die Baueinheit 60 ein Umrißprofil 61, welches sich weitgehend mit demjenigen des Patrizenteils 20 deckt. Damit kann für die Anbringung dieser Baueinheit 60 an einer Tragbahn 50 jene, bereits verfügbare, Verarbeitungsmaschine genutzt werden, mit welcher bereits der ohne das Dichtungsmittel ausgerüstete Patrizenteil 20 montiert werden konnte; eine Maschinenänderung ist nicht nötig. Bei der Verarbeitung wird die Baueinheit 60 als ein Stück gehandhabt.A hat body 40 is assigned to the male part 20. It is designed as a rotating body and consists of an elastically resilient material, namely in particular plastic. Despite its one-piece design, the hat body 40 can be divided into a hat brim 21 with a circular outline and a hat cap 42. Inside the hat cap 42 there is a cylindrically shaped hat space 43. The wall thickness 46 of the hat is non-uniform; in the area of the hat cap 42 there is a wall reinforcement which is particularly thick in the area of the hat cover 44. On the outer profile outline, the hat cap 42 is provided with a head-like widening 45, which forms a coupling means for preassembly with the male part 20, the result of which can be seen in FIG. 2. The union of the two components 20, 40 is achieved simply by axially pressing against one another. The hat body 40 is inserted through the pot opening in the plate underside 24 into the pot cavity 25, its head-shaped widening 45 snapping through the aforementioned constriction 21 in the pot interior 25 due to the elasticity of the hat material. The result can be seen from FIG. 2. A preassembled unit 60 is obtained from the components 20, 40. Referring to FIG. 1, the hat body 40 has an outline 47 which already ensures that the hat body 40 is flush with the unit 60. The hat brim 41 comes to lie essentially flush with the underside of the plate 24 according to FIG. 2 because of the adapted dimensioning of the depression 29. This gives the structural unit 60 an outline profile 61 which largely coincides with that of the male part 20. Thus, the already available processing machine with which the male part 20 equipped without the sealant could already be used for attaching this structural unit 60 to a support track 50; a machine change is not necessary. In processing, assembly 60 is handled as one piece.

Zur Anbringung der Baueinheit 60 dient der aus Fig. 2 ersichtliche Nietteil 10. Dieser besteht zunächst aus einem als Rotationskörper aus Blech gestalteten Flansch 11, auf dessen Flanschoberseite 13 ein Hohlschaft 12 emporragt. Der Hohlschaft 12 ist hier mit einem geschlossenen Schaftende 18 ausgebildet, welches mit einer Spitze 16 ausläuft.The rivet part 10 shown in FIG. 2 is used to attach the structural unit 60. This consists first of all of a flange 11 designed as a rotating body made of sheet metal, on the flange top 13 of which a hollow shaft 12 rises. The hollow shaft 12 is formed here with a closed shaft end 18, which ends with a tip 16.

Der Flansch 11 kann auf seiner Unterseite von einer Kalotte 14 überdeckt sein, die um den Flanschrand herumgebördelt ist und daher auf der Flanschunterseite eine Einsenkung 19 erzeugt. Der Flansch 11 und die Kalotte 14 bilden einen Gesamtflansch 78 am Nietteil 10.The flange 11 can be covered on its underside by a spherical cap 14 which is flanged around the flange edge and therefore produces a depression 19 on the underside of the flange. The flange 11 and the spherical cap 14 form an overall flange 78 on the rivet part 10.

Zweckmäßigerweise ist auch der Nietteil 10 als Baueinheit mit einem Dichtungsmittel ausgebildet. Diese besteht aus einer Scheibe 48 von elastisch nachgiebigem Material, insbesondere Kunststoff. Die Verbindung kommt einfach dadurch zustande, daß der Hohlschaft 12 mit seiner Spitze 16 die Kunststoffscheibe 48 aufspießt. Die Scheibe 48 kann dabei zweckmäßigerweise vorgelocht sein, wie aus 49 erkennbar ist. Es kann dabei zu einer kragenförmigen Aufformung 62 des Scheibenmaterials kommen, die im fertigen Anbringungszustand nach dem Nietvorgang, wie Fig. 4 zeigt, im Fußstück 17 des Hohlschafts 12 zu liegen kommt, das sich an der Flanschoberseite 13 anschließt.The rivet part 10 is also expediently designed as a structural unit with a sealant. This consists of a disk 48 made of resilient material, in particular plastic. The connection comes about simply because the hollow shaft 12 impaled the plastic disc 48 with its tip 16. The disc 48 can advantageously be pre-punched, as can be seen from 49. This can result in a collar-shaped formation 62 of the disk material which, in the finished attachment state after the riveting process, as shown in FIG. 4, lies in the foot piece 17 of the hollow shaft 12, which adjoins the flange top 13.

Beim Anbringen kommt die Baueinheit 60 mit ihrer Tellerunterseite 24 auf der Vorderfläche 51 der Tragbahn 50 zu liegen, während der Nietteil 10 von der Rückfläche 52 aus gehandhabt wird. Beide Teile 10, 20 werden von nicht näher gezeigten, an sich bekannten Nietwerkzeugen einer Verarbeitungsmaschine in axiale Ausrichtung gebracht und gegeneinander bewegt. Dabei kann die Schaftspitze 16 sich ihren Weg durch die Tragbahn 50 selbst schaffen und gelangt auf der TragbahnVorderfläche 51 in den Hutraum 43, der jetzt als Nietaufnahme fungiert, wie aus Fig. 4 erkennbar ist. Die Nietspitze durchsetzt die Hutdecke 44 und stößt im Scheitelbereich auf die Bodenfläche 53 der Topfwand 54. Weil der Blechformkörper des Patrizenteils 20 in einem aus gehärtetem Stahl bestehenden Nietwerkzeug aufgenommen ist, wird das Schaftende zu dem aus Fig. 4 ersichtlichen Gebilde 18' verformt und verpreßt dabei in axialer und radialer Richtung das Kunststoffmaterial des Hutkörpers 40 im Topf-Hohlraum 25. Durch diese Verpressung des Kunststoffs kommt eine besonders feste Verbindung zwischen der Baueinheit 60 einerseits und dem Nietteil 10 andererseits zustande. Dabei entsteht eine ideale dichte Anbringung dieser beiden Teile 60, 10 an der Tragbahn 50, wie anhand der in Fig. 4 angedeuteten Strömungslinien 55 von Wind und Wetter zu demonstrieren ist, die auf die Vorderfläche 51 der damit ausgerüsteten Tragbahn 50 wirken.When attaching the assembly 60 comes with its plate underside 24 to lie on the front surface 51 of the support track 50, while the rivet part 10 is handled from the rear surface 52. Both parts 10, 20 are brought into axial alignment by known riveting tools, not known per se, of a processing machine and moved against one another. The shaft tip 16 can make its own way through the supporting track 50 and reaches the hat space 43 on the supporting track front surface 51, which now functions as a rivet holder, as can be seen from FIG. 4. The rivet tip passes through the top hat 44 and abuts the bottom surface 53 of the pot wall 54 in the apex area. Because the sheet metal body of the male part 20 is received in a riveting tool made of hardened steel, the end of the shaft is deformed and pressed into the structure 18 ′ shown in FIG. 4 the plastic material of the hat body 40 in the pot cavity 25 in the axial and radial direction. This compression of the plastic creates a particularly firm connection between the structural unit 60 on the one hand and the rivet part 10 on the other. This results in an ideal, tight attachment of these two parts 60, 10 to the support track 50, as can be demonstrated with reference to the flow lines 55 of wind and weather indicated in FIG. 4, which act on the front surface 51 of the support track 50 equipped therewith.

Wie aus Fig. 4 erkennbar, wird eine Strömung 55, sofern sie die Umfangszone 56 dieser Verbindung durchsetzen kann, aufgrund der vorerwähnten Verpressung nicht entlang der Innenfläche der Topfwand 54 strömen. Doch selbst wenn dies eintreten sollte, wird im vorliegenden Fall, wo ein geschlossener Nietschaft vorliegt, ein Weiterströmen im Rohrinnenraum 15 ausgeschlossen. Aber auch der Strömungsweg entlang der Oberfläche 51 der Tragbahn 50 ist blockiert. Dort wird nämlich das Dichtungsmaterial der Hutkrempe 41 vom Nietflansch 11 gegen die Tragbahn 50 gepreßt. Außerdem wird wegen der Materialverdrängung auch der Hutkörper gegen den Umfangsbereich des Hohlschafts 12 angedrückt und dichtet etwaige Lochränder in der durchstoßenen Tragbahn 50 ab. Gefördert wird dies schließlich auch durch die auf der Tragbahn-Rückfläche 52 wirksame Kunststoffscheibe 48, die, wie aus Fig. 4 ersichtlich, vom Nietflansch 11 gegen die Tragbahn 50 angepreßt wird. Die Kunststoffscheibe 48 umkleidet dabei mit ihrem Dichtmaterial das bereits erwähnte Fußstück 17 des Nietschafts 12, wobei es sogar zu einer Wechselwirkung mit dem Dichtmaterial des Hutkörpers 40 kommen kann. Im Umfangsbereich 56 wird die Tragbahn 50 stark eingeklemmt; man kann von einem "Bekneifen" sprechen. Auf der Vorderfläche 51 kommt die metallische Unterseite 24 des Tellers 23 zu liegen und preßt die Tragbahn 50 gegen den Flansch 11. Dort befindet sich durch die randseitige Umbördelung 57 der Flanschkalotte 14 ein vorspringender Rand, der zugleich zu einer Deformation der darüber liegenden Kunststoffscheibe 48 in diesem Bereich führt.As can be seen from FIG. 4, a flow 55, insofar as it can penetrate the peripheral zone 56 of this connection, will not flow along the inner surface of the pot wall 54 due to the aforementioned compression. However, even if this should occur, in the present case where there is a closed rivet shank, further flow in the tube interior 15 is excluded. However, the flow path along the surface 51 of the supporting track 50 is also blocked. There, namely, the sealing material of the brim 41 is pressed by the rivet flange 11 against the support track 50. In addition, because of the material displacement, the hat body is also pressed against the circumferential region of the hollow shaft 12 and seals off any perforated edges in the perforated track 50. Finally, this is also promoted by the plastic disk 48 which is effective on the rear surface 52 of the supporting track and, as can be seen in FIG. 4, is pressed against the supporting track 50 by the rivet flange 11. The plastic disk 48 covers the already mentioned foot piece 17 of the rivet shank 12 with its sealing material, whereby there may even be an interaction with the sealing material of the cap body 40. In the circumferential area 56, the support track 50 is strongly clamped; one can speak of "pinching". The metallic underside 24 of the plate 23 comes to rest on the front surface 51 and presses the supporting track 50 against the flange 11. There is a protruding edge there due to the edge flanging 57 of the flange cap 14, which at the same time leads to a deformation of the plastic disc 48 lying above it leads this area.

Fig. 3 zeigt eine alternative Ausbildung des Patrizentellers 23'. Dort ist die bereits beschriebene Einsenkung 29' dadurch zustande gekommen, daß der äußere Tellerrand 58 nach innen umgebördelt worden ist. Auch hier besitzt die erzeugte Einsenkung 29' eine Tiefe, die ungefähr der Wandstärke 46 der Hutkrempe 41 entspricht.Fig. 3 shows an alternative embodiment of the male plate 23 '. There, the depression 29 'already described has come about in that the outer plate edge 58 has been flanged inwards. Here, too, the depression 29 ′ produced has a depth which corresponds approximately to the wall thickness 46 of the brim 41.

Eine weitere Alternative besteht darin, anstelle eines vorgefertigten Hutkörpers 40 ein Dichtungsmaterial in zunächst fließfähiger Form ins Topfinnere 25 einzugießen, so daß nach dem Aushärten dort eine Schichtauflage entsteht, die prinzipiell der Funktion des Hutkörpers 40 entspricht. Eine solche Maßnahme ist bei dem Nietteil 10' angewendet, welches, gemäß Fig. 5, für die Anbringung des entsprechenden Matrizenteils 30 verwendet wird.A further alternative consists in pouring a sealing material in an initially flowable form into the pot interior 25 instead of a prefabricated hat body 40, so that after hardening there is a layer covering which in principle corresponds to the function of the hat body 40. Such a measure is applied to the rivet part 10 ', which, according to FIG. 5, is used for the attachment of the corresponding die part 30.

Der Nietteil 10' von Fig. 5 besitzt einen Hohlschaft 12, der in seinem Schaftende 18 mit einer Stirnöffnung 16' versehen ist, weshalb das Rohrinnere 15 zur Flanschoberseite 13, die in Fig. 5 nach unten weist, hin offen ist. Der Flanschteller 11 ist hier gegenüber dem Ausführungsbeispiel von Fig. 2 anders profiliert, weshalb die Einsenkung 19 sich nur auf den inneren Flanschbereich erstreckt. Auch hier ist eine Kalotte 14 vorgesehen, die den Umfangsbereich des Flansches 11 bördelt und dabei auch eine Einlageplatte 59 festhält, welche dem Flansch 11 unterlegt ist. Hier ist das Fußstück 17 des Hohlschafts 12, statt zylindrisch, wie im ersten Ausführungsbeispiel, leicht konisch ausgebildet.The rivet part 10 'of FIG. 5 has a hollow shaft 12 which is provided with an end opening 16' in its shaft end 18, which is why the tube interior 15 is open towards the upper side 13 of the flange, which points downwards in FIG. 5. The flange plate 11 is profiled differently compared to the embodiment of FIG. 2, which is why the depression 19 extends only to the inner flange area. Here too, a spherical cap 14 is provided, which flanges the peripheral region of the flange 11 and also holds an insert plate 59, which is underlaid on the flange 11. Here, the foot piece 17 of the hollow shaft 12 is slightly conical instead of cylindrical, as in the first embodiment.

Auch der Nietteil 10' ist mit einem Dichtmaterial 63 versehen, das in diesem Ausführungsfall in zunächst flüssiger Form auf der Flanschunterseite 13 des fertigen Nietteils 10' aufgebracht wird und dort aushärtet. Dieses strömt sowohl in die Einsenkung 19 des Tellers 11 und erzeugt dort eine Kunststoff-Füllung 64, als auch durch die Schaftöffnung 16' ins Rohrinnere 15 und bildet dort einen Stopfen 65. Die Kunststoff-Füllung 64 überdeckt dabei sowohl das konische Fußstück 17 als auch sogar den angrenzenden Bereich des Hohlschafts 12. Dieser Nietteil 10' dient, wie bereits erwähnt wurde, zur Anbringung eines Matrizenteils 30, das im vorliegenden Fall seinerseits aus einer zwei Bestandteile umfassenden Baueinheit 60' besteht.The rivet part 10 'is also provided with a sealing material 63 which, in this embodiment, is initially applied in liquid form to the flange underside 13 of the finished rivet part 10' and cures there. This flows into the depression 19 of the plate 11 and creates a plastic filling 64 there, as well as through the shaft opening 16 'into the tube interior 15 and forms a stopper 65 there. The plastic filling 64 covers both the conical foot piece 17 and even the adjoining area of the hollow shaft 12. As already mentioned, this rivet part 10 ′ serves to attach a die part 30, which in the present case consists of a structural unit 60 ′ comprising two components.

Der zweite Bestandteil der Baueinheit 60' besteht ebenfalls aus einem vorgefertigten Dichtungsmittel, nämlich einer profilierten Scheibe 70, die das im unteren Bereich von Fig. 5 ersichtliche besondere Aussehen hat. Die Profilierung läßt sich am besten als Ω -förmiges Längsprofil beschreiben, bestehend aus einer zentralen Wölbung 72, die von einem im wesentlichen ebenen Ring 73 umgeben ist. Auf der konkaven Seite der Wölbung 72, nämlich im Wölbungsinneren 74, befinden sich Vorsprünge 75, die im vorliegenden Fall aus einem ringförmig umlaufenden Kragen bestehen. Der Kragen 75 läuft sich konisch erweiternd aus. Diese profilierte Scheibe 70 wird nun mit dem eigentlichen Matrizenteil 30 vormontiert, welches folgendes, aus Fig. 5 ganz unten ersichtliche Aussehen hat.The second component of the structural unit 60 'likewise consists of a prefabricated sealing means, namely a profiled disk 70, which has the special appearance which can be seen in the lower region of FIG. 5. The profile can best be described as an Ω-shaped longitudinal profile, consisting of a central curvature 72, which is surrounded by an essentially flat ring 73. On the concave side of the arch 72, namely in the interior 74 of the arch, there are projections 75, which in the present case consist of an annular circumferential collar. The collar 75 tapers off conically. This profiled disk 70 is now preassembled with the actual die part 30, which has the following appearance, which can be seen at the bottom of FIG. 5.

Auch der Matrizenteil 30 besteht aus einem Blechformkörper, der sich in einen umbördelten Teller 31 und einen Dom 37 gliedern läßt. Der Dom 37 erzeugt auf der in Fig. 5 nach unten weisenden "Teller-Oberseite 33" eine Schließöffnung 36, in welcher sich die eigentlichen matrizenförmigen Schließflächen 32 befinden. Der Dom 37 ragt auf der Teller-Unterseite 34 empor und erzeugt im Inneren eine Nietaufnahme 35, die durch eine zentrale Öffnung 39 im Domboden zugänglich ist. Die matrizenförmigen Schließflächen kommen hier durch eine an sich bekannte Doppel-S-Feder 32 zustande, deren innere Federschenkel seitliche Schlitze 38 im Dom 37 durchragen. Beim Ein- und Auskuppeln des vorbeschriebenen Patrizenteils 20 bzw. der von ihm gebildeten Baueinheit 60 federn die Innenschenkel radial in die Schlitze 38 hinein. Der Dom 37 überragt die Teller-Unterseite 34 um jenes Maß, welches profilmäßig dem vorbeschriebenen Wölbungsinneren 74 der profilierten Scheibe 70 angepaßt ist.The die part 30 also consists of a sheet metal body that can be divided into a flanged plate 31 and a dome 37. The dome 37 creates a closing opening 36 on the "plate top 33" pointing downward in FIG. 5, in which the actual die-shaped closing surfaces 32 are located. The dome 37 rises up on the underside of the plate 34 and produces a rivet receptacle 35 inside, which is accessible through a central opening 39 in the dome floor. The matrix-shaped closing surfaces come about here through a double S spring 32 known per se, the inner spring legs of which protrude through lateral slots 38 in the dome 37. When the above-described male part 20 and the structural unit 60 formed by it couple in and out, the inner legs spring radially into the slots 38. The dome 37 projects beyond the underside of the plate 34 by the amount which is adapted in profile to the above-described interior 74 of the curved disk 70.

Die erwähnte Baueinheit 60' aus den beiden Bestandteilen 30, 70 kommt durch einfaches axiales Gegeneinanderdrücken der Vorprodukte zusammen. Dabei wird die Profilscheibe 70 gegen die Teller-Unterseite 34 gedrückt. Weil sie aus elastisch nachgiebigem Kunststoff besteht, kommt es zu einer kurzzeitigen Verformung des Kragens 75, bis dieser durch die verengte Öffnung 39 ins Innere des Doms 37 schnappt. Wie deutlicher in Fig. 6 zu erkennen ist, hintergreift dann der Kragen 76 die hinterschnittenen Wandbereiche 66 des Doms 37, weshalb es zu einer einen ausreichenden Zusammenhalt gewährleistenden Einschnappverbindung der beiden Bestandteile 30, 70 kommt. Die Teile 30, 70 sind zu einer Baueinheit 60' miteinander gekuppelt, die als ein Stück in den nun zum Zuge kommenden Verarbeitungsmaschinen gehandhabt wird, die zu ihrem Annieten an der Stoffbahn 50' dienen.The aforementioned structural unit 60 'made up of the two components 30, 70 comes together by simply axially pressing the preliminary products against one another. The profile disk 70 is pressed against the underside of the plate 34. Because it is made of resilient plastic, the collar 75 is briefly deformed until it snaps through the narrowed opening 39 into the interior of the dome 37. As can be seen more clearly in FIG. 6, the collar 76 then engages behind the undercut wall regions 66 of the dome 37, which is why there is a snap-in connection of the two components 30, 70 which ensures sufficient cohesion. The parts 30, 70 are coupled to one another to form a structural unit 60 ', which is handled as one piece in the processing machines now coming into play, which are used to rivet them onto the fabric web 50'.

Die Fig. 5 zeigt die beim Nietvorgang maßgebliche Positionierung der Bestandteile, wozu allerdings noch die Baueinheit 60' vormontiert werden müßte. Diese Baueinheit 60' kommt durch das zugehörige Werkzeug der Verarbeitungsmaschine auf der Rückfläche 52' der Stoffbahn zu liegen, während der vorbeschriebene Nietteil 10' auf die Vorderfläche 51' gelangt. Die beiden Werkzeuge der Verarbeitungsmaschine bewegen die beiden Teile 10', 60' axial gegeneinander, wobei der Hohlschaft 12 mit seiner Rohröffnung 16' sich seinen Weg durch die Tragbahn 50' selbst bahnt und dabei zugleich im Scheitelbereich 76 der Profilscheibe 70 ein aus Fig. 6 erkennbares Bodenstück 77 ausstanzt. Bei dem Nietvorgang kommt es zu einer aus Fig. 6 erkennbaren Deformation 18' des Schaftendes. Das ausgestanzte Bodenstück 77 kann dabei im Rohrinneren 15 verbleiben. Dies ist aber unmaßgeblich, weil die Dichtwirkung gegenüber dem auch hier durch Pfeile 55 markierten Strömungsweg von Wind und Wetter in diesem Bereich der Stopfen 65 das Rohrinnere 15 verschließt. Die seitlichen Kunststoff-Füllungen 64 des Dichtmaterials 63 können durch Wechselwirkung mit der Außenfläche der Dichtscheibe 70 zusammengedrückt werden und sorgen für eine Umfangsdichtung im Tragbahnloch. Die Randzonen des Tragbahnloches können dann auch, abweichend von Fig. 6, zwischen die gegeneinander geführten Flächen der Kunststoff-Füllung 63 im Nietteil 10 einerseits und der Außenfläche der Profilscheibe 70 andererseits zusammengepreßt werden; diese Kunststoffteile wirken dann wie zwei Preßbacken. Damit ist nicht nur ein Strömungsweg 55 durch das Rohrinnere 15 des Nietteils 10' versperrt, sondern auch im Umfangsbereich des Hohlschafts 12 sowie zwischen dem Flansch 11 und dem Teller 31. Dabei wirkt auch der Ring 73 der Profilscheibe 70 ergänzend an der Tragbahn-Rückfläche 52' abdichtend, weshalb, falls der Wind bis dahin gelangt sein sollte, er nicht mehr durch die Dom-Schlitze 38 des Matrizenteils 30 weiterströmen kann.FIG. 5 shows the positioning of the components which is decisive during the riveting process, for which purpose the structural unit 60 'would have to be preassembled. This assembly 60 'comes to rest on the rear surface 52' of the fabric web by the associated tool of the processing machine, while the rivet part 10 'described above reaches the front surface 51'. Move the two tools of the processing machine the two parts 10 ', 60' axially against each other, the hollow shaft 12 with its tube opening 16 'making its own way through the supporting path 50' and at the same time punching out a bottom piece 77 recognizable from FIG. 6 in the apex region 76 of the profiled disk 70. The riveting process results in a deformation 18 ′ of the shaft end that can be seen in FIG. 6. The punched-out bottom piece 77 can remain in the tube interior 15. However, this is immaterial because the sealing effect against the flow path of wind and weather, which is also indicated here by arrows 55, closes the plug interior 15 in this area of the plug 65. The lateral plastic fillings 64 of the sealing material 63 can be pressed together by interaction with the outer surface of the sealing disk 70 and ensure a circumferential seal in the track hole. 6, the edge zones of the supporting track hole can then also be pressed together between the mutually guided surfaces of the plastic filling 63 in the rivet part 10 on the one hand and the outer surface of the profiled disk 70 on the other hand; these plastic parts then act like two press jaws. This not only blocks a flow path 55 through the tube interior 15 of the rivet part 10 ', but also in the circumferential area of the hollow shaft 12 and between the flange 11 and the plate 31. The ring 73 of the profiled disk 70 also acts additionally on the rear surface 52 of the supporting track 'sealing, which is why, if the wind should have got there by then, it can no longer flow through the dome slots 38 of the die part 30.

Die Fig. 7 zeigt eine Alternative eines Matrizenteils 10', der insoweit den bereits beschriebenen prinzipiellen Aufbau aufweist. Anstelle des in flüssiger Form aufgebrachten Dichtmaterials 63 von Fig. 6 wird aber hier ein im Zusammenhang mit Fig. 1 bereits erläuterter Hutkörper 40' verwendet, der prinzipiell den gleichen Aufbau wie in Fig. 1 hat, weshalb insoweit die bisherige Beschreibung gilt. Der Flansch kann dabei ein etwas abgewandelt ausgebildetes Profil 11' aufweisen, das für die Hutkrempe 41 die entsprechende Einsenkung 69 erzeugt. Dieser Hutkörper 40' wird mit dem Nietteil 10' zu einer Baueinheit 80 gemäß Fig. 7 vormontiert.FIG. 7 shows an alternative of a die part 10 ', which in this respect has the basic structure already described. Instead of the sealing material 63 of FIG. 6, which is applied in liquid form, a hat body 40 'which has already been explained in connection with FIG. 1 is used here, which in principle has the same structure as in FIG. 1, which is why the previous description applies to this extent. The flange can have a somewhat modified profile 11 ′, which produces the corresponding depression 69 for the brim 41. This hat body 40 'is preassembled with the rivet part 10' to form a structural unit 80 according to FIG. 7.

Hierzu wird der Hutkörper 40 axial über den auch hier offenen Hohlschaft 12 bewegt, wodurch die freie Schaftkante 16' aus der Hutdecke 44 einen Stopfen ausschneidet, der hier durch eine innere Bombierung eine besonders ausgeprägte Wandstärke 67 aufweist. Damit ist das Rohrinnere 15 bereits abgedichtet. Bei der Vormontage wirkt also die Hut-Kappe 42 wie ein Strumpf, der über den Hohlschaft 12 gezogen wird. Aus der Hutdecke 44 ragt das Schaftende 18 heraus, um beim Nietvorgang in die beschriebene Nietaufnahme 35 des Matrizenteils einzufahren und dort mit dem Niet-Gegenwerkzeug in der bei 18' bereits aus Fig. 6 ersichtlichen Weise deformiert zu werden. In diesem Fall kann der Hutkörper 40 bzw. 40' zwei Anwendungen dienen, nämlich Dichtungsmittel sowohl beim Patrizenteil 20 als auch mittelbar, über den Nietteil 10', beim Matrizenteil 30 zu sein. Es ist in diesem Fall nicht mehr erforderlich, die im Zusammenhang mit Fig. 5 beschriebene Profilscheibe 70 beim Matrizenteil 30 zu verwenden.For this purpose, the hat body 40 is moved axially over the hollow shaft 12, which is also open here, whereby the free shaft edge 16 ′ from the hat cover 44 cuts out a stopper, which here has a particularly pronounced wall thickness 67 due to an internal crowning. So that the tube interior 15 is already sealed. During the pre-assembly, the hat cap 42 thus acts like a stocking which is pulled over the hollow shaft 12. The shaft end 18 protrudes from the hat cover 44 in order to move into the described rivet receptacle 35 of the die part during the riveting process and to be deformed there with the rivet counter tool in the manner already apparent from FIG. 6 at 18 '. In this case, the hat body 40 or 40 'can serve two applications, namely to be sealing means both for the male part 20 and indirectly, via the rivet part 10', for the female part 30. In this case, it is no longer necessary to use the profiled disk 70 described in connection with FIG. 5 for the die part 30.

In Fig. 8 ist eine gegenüber der Ausführung von Fig. 1 und 2 abgewandelte Baueinheit 90 gezeigt, bei welcher zwar die Form des Patrizenteils 20 beibehalten wurde, aber der ebenfalls aus Kunststoff ausgebildete Hutkörper 91 eine demgegenüber abgewandelte Form hat. Es genügt daher, lediglich die Unterschiede zu beschreiben. In übriger Hinsicht gilt die bisherige Beschreibung. Bis auf eine Vertiefung 92 ist das Hutinnere 93 massiv ausgebildet. Nach dem Zusammenbau der Teile 20, 91 erscheint diese Vertiefung 92 an der Tellerunterseite 24 und dient beim Nietvorgang zur Zentrierung eines zugespitzten Schaftendes vom zugehörigen Nietteil. Dieser Nietteil könnte auch massiv ausgebildet sein. Schließlich ist die Hutdecke auf ihrer Oberseite mit einer Aussparung 94 versehen, weshalb im zusammengebauten Zustand der Baueinheit 90 im Topfinneren eine größere Kammer 95 entsteht. Der Kunststoff des Hutkörpers 91 ist beim Eindringen des Nietschafts im Topfinneren elastisch verformbar und wird in die Kammer 95 hinein verdrängt sowie in sich komprimiert. Das fördert die Festigkeit der Nietverbindung der Baueinheit 90 an einer Tragbahn.FIG. 8 shows a structural unit 90 which is modified compared to the embodiment of FIGS. 1 and 2, in which the shape of the male part 20 has been retained, but the hat body 91, which is likewise made of plastic, has a modified shape. It is therefore sufficient to describe only the differences. In all other respects, the previous description applies. Except for a recess 92, the interior of the hat 93 is solid. After the parts 20, 91 have been assembled, this recess 92 appears on the underside 24 of the plate and is used during the riveting process to center a tapered shaft end from the associated rivet part. This rivet part could also be solid. Finally, the top of the hat is provided with a recess 94, which is why a larger chamber 95 is formed in the interior of the pot when the assembly 90 is assembled. The plastic of the hat body 91 is elastically deformable when the rivet shaft penetrates into the interior of the pot and is displaced into the chamber 95 and compressed in itself. This promotes the strength of the rivet connection of the assembly 90 on a support track.

Claims (11)

  1. A snap fastener connection made of two complementary functional components (20, 30), namely a male part and a female part, each of which can be attached with a rivet part (10, 10') to two overlapping support materials (50, 50'),
    said rivet parts (10, 10') having a flange (11, 11') with a shaft (12) protruding on the upper flange side (13) and the functional components (20, 30) having a plate (23, 31) with a male and a female closing surface (22, 32), respectively, on the upper plate side (26, 33) and with a rivet holder on the plate underside (24, 34),
    whereby, during assembly, the plate underside (34) of the female part (30) can be deposited on the back surface (52') of the top support material (50') and the plate underside (24) of the male part (20) on the front surface (51) of the bottom support material (50) while the upper flange sides (13) of the two corresponding rivet parts (10, 10') are located on the opposite front and back surfaces (51', 52), respectively, of the two support materials (50', 50), penetrating the support material (50', 50) with their shafts (12), engaging the rivet mounting of the corresponding functional component (30, 20) with their upsettable shaft end (18) and being deformed there (18'),
    characterised in that
    the male part (20) forms a pot open at the end facing the plate underside (24), the cavity (25) of said pot stretching at least over the central section (27), which has the male closing surface (22), and the wall (54) of said pot, with a film coating (40) made of a different material, being provided with a sealing material,
    whereby this film coating (40) creates the rivet mounting (43) in the central section (27) and also stretches over the annular zone (28) of the plate (23), said zone adjoining the central section (27),
    and that the rivet part (10') belonging to the female part (30) has an open-ended (16') tubular hollow shaft (12) and exhibits on its upper flange side (13) facing the support material (50') a film coating (64, 40') made of sealing material and the tube inside (15) of its hollow shaft (12) is sealed with a plug (65, 44) made of sealing material.
  2. A snap fastener connection according to claim 1, characterised in that the female part (30) is provided with a film coating made of sealing material on the plate underside (34).
  3. A snap fastener connection according to claim 1, characterised in that the film coating (40, 64) covers at least the foot section (17) of the shaft (12), said foot being connected to the flange (11).
  4. A snap fastener connection according to claim 1 or 2, characterised in that the plate (23) of the functional component (20) or the flange (11') of the rivet part (10') has a recess (29; 69) adapted to the contour and/or the thickness of the film coating (41).
  5. A snap fastener connection according to one of the claims 1 to 4, characterised in that the sealing material of the film coating consists of an initially free-flowing mass (63) which can be applied to the rivet part (10') or functional component where it solidifies.
  6. A snap fastener connection according to one of the claims 1 to 3, characterised in that the film coating is prefabricated as a profiled disc (40', 40, 70) of an elastically resilient material, such as plastic, which, together with the rivet part of the functional component (10', 20, 30), forms a structural unit (80; 60, 60') which can be pre-assembled, whereby - for pre-assembly with the functional component (20, 30) - the disc has elastic projections (45, 75) which engage like catches into the rivet mounting on the plate underside (24, 34).
  7. A snap fastener connection according to claim 6, characterised in that the profiled disc consists of a domed element (40, 40') with a domed cap (42) and a domed rim (41) formed by the film coating and, in the case of pre-assembly,
    said domed rim rests against the flange upper side (13) of the rivet part (10') and the plate underside (24) of the functional component (20) while the domed cap (42) envelopes the hollow shaft (12) on the rivet part (10') like a stocking.
  8. A snap fastener connection according to claim 7, characterised in that the top (44) of the domed cap (42) is reinforced.
  9. A snap fastener connection according to claim 6, characterised in that the projections consist of a collar (75) moulded onto the profiled disc (70), said collar, in the case of pre-assembly, snapping into the rivet mounting (35) on the underside (34) of the female part (30) through a restricted opening (39).
  10. A snap fastener connection according to one of the claims 1 to 9, characterised in that the interior (93) of the domed element (91) is filled with the sealing material of the domed element (91), apart from an indentation (92) which serves to centre the shaft end (18).
  11. A snap fastener connection according to claim 10, characterised in that the cap of the domed element (91) is provided with a recess (94) at its upper domed end, said recess, after being joined to the male part (20) to form a structural unit (90), creating a free chamber (95) in the pot interior of the male part (20) into which the sealed material, displaced during the rivetting process by the shaft of the rivet part (10), can escape.
EP90109424A 1989-06-06 1990-05-18 Snap fastener unit Expired - Lifetime EP0401574B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3918375 1989-06-06
DE3918375A DE3918375A1 (en) 1989-06-06 1989-06-06 PUSH BUTTON CONNECTION

Publications (3)

Publication Number Publication Date
EP0401574A2 EP0401574A2 (en) 1990-12-12
EP0401574A3 EP0401574A3 (en) 1991-05-08
EP0401574B1 true EP0401574B1 (en) 1994-09-28

Family

ID=6382141

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90109424A Expired - Lifetime EP0401574B1 (en) 1989-06-06 1990-05-18 Snap fastener unit

Country Status (3)

Country Link
US (1) US5003673A (en)
EP (1) EP0401574B1 (en)
DE (2) DE3918375A1 (en)

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BE1026815A1 (en) 2018-11-29 2020-06-23 Daude Fabrication Waterproof snap button
BE1026815B1 (en) * 2018-11-29 2020-07-01 Daude Fabrication Waterproof snap button

Also Published As

Publication number Publication date
DE3918375A1 (en) 1990-12-13
DE59007308D1 (en) 1994-11-03
US5003673A (en) 1991-04-02
EP0401574A3 (en) 1991-05-08
EP0401574A2 (en) 1990-12-12

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