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EP0842096A1 - Magazinable strip of clasps for flexible tubes and bags - Google Patents

Magazinable strip of clasps for flexible tubes and bags

Info

Publication number
EP0842096A1
EP0842096A1 EP96925656A EP96925656A EP0842096A1 EP 0842096 A1 EP0842096 A1 EP 0842096A1 EP 96925656 A EP96925656 A EP 96925656A EP 96925656 A EP96925656 A EP 96925656A EP 0842096 A1 EP0842096 A1 EP 0842096A1
Authority
EP
European Patent Office
Prior art keywords
clip
legs
closure
strip
clips
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.)
Granted
Application number
EP96925656A
Other languages
German (de)
French (fr)
Other versions
EP0842096B1 (en
Inventor
Jürgen Hanten
Günter Vermehren
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.)
Poly Clip System GmbH and Co KG
Original Assignee
Poly Clip System 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 Poly Clip System GmbH and Co KG filed Critical Poly Clip System GmbH and Co KG
Publication of EP0842096A1 publication Critical patent/EP0842096A1/en
Application granted granted Critical
Publication of EP0842096B1 publication Critical patent/EP0842096B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/1616—Elements constricting the neck of the bag
    • B65D33/1641—Staples, clips or clamps made of metal
    • 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.
    • Y10T24/14—Bale and package ties, hose clamps
    • Y10T24/1457—Metal bands
    • 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.
    • Y10T24/14—Bale and package ties, hose clamps
    • Y10T24/1457—Metal bands
    • Y10T24/1478—Circumferentially swagged band clamp
    • 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.
    • Y10T24/15—Bag fasteners
    • 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.
    • Y10T24/15—Bag fasteners
    • Y10T24/152—Swedged bag tie

Definitions

  • the invention relates to a magazine strip of closure clips for tubes and bags, the individual clips each consisting of a clip base and two legs and are connected to each other at the leg ends.
  • Sealing clip strips of the type mentioned generally consist of an originally flat basic profile, which is shaped into a strand of U-shaped individual clips which are attached to one another for processing with automatic locking devices.
  • To close a bag or a hose it is gathered into a braid and placed in a U-shaped closing clip, which is separated from the strip.
  • the closure clip is then closed by bending the two legs of the U-shaped closure clip toward one another. The free ends of the legs meet and are compressed.
  • a description of such a closure process and of the prior art closure clips can be found in DE-PS 37 1 5 626.
  • a major disadvantage of these known closure clips is that the cross-section of the tube or bag gathered to form the plait must lie within relatively narrow limits, so that both a secure and a tight closure is ensured. If the braid cross-section is too large, the free ends of the legs cannot meet and the bag or tube is not securely closed. If, on the other hand, the braid cross-section is too small, the two legs of the closing clip are already maximally compressed before the braid is completely compressed, so that the hose or bag cannot be sealed tightly. In addition, the locking forces when closing are relatively large.
  • the invention is therefore based on the object of specifying a closure clip strip, the individual clips of which hang from one another at the ends of the legs, but are suitable for a large range of different pigtail cross-sections.
  • closure clip strip of the type mentioned at the beginning the closure clips of which are the widest in the area of the clip base and the width of the adjoining legs of two adjacent clip clips between their clip bottom ends and their mutually connected ends on one side to less than half of them greatest width decreases, the width decrease in the strip direction is provided alternately on one and the other long side.
  • closure clips of the strip according to the invention can be used to seal bags or hoses of various braid diameters gathered to form a braid; the diameter of the sausage braids can vary by 40%.
  • the closing forces in the clip according to the invention are only half as great as those in the prior art.
  • Another advantage is that the closure clip strips are very easy to manufacture; the material saving is approximately 25% compared to conventional closure clip strips.
  • a variant of the locking clips is that the legs have a constant width in the vicinity of their free end. In this way it is possible to enlarge the area on which the legs of a closed locking clip overlap, so that the area in which the braid cross-sections may vary becomes even larger.
  • FIG. 1 is a top view of a partial development of a closure clip strip
  • Fig. 2 shows the strip part of Fig. 1 in front view
  • Figure 3 is a side closure clip of the strip.
  • Fig. 4 a closure clip closed by a braid in the
  • FIG. 5 shows the closed closure clip from FIG. 4 in a top view
  • Fig. 6 shows a variant of the processing of the closure clip strip in
  • FIG. 7 shows a further variant of the processing of a closure clip strip as in FIG. 1 with locking teeth
  • FIG. 8 is a top view of a closed closure clip according to FIG. 7;
  • the starting material for the production of a closure clip according to the invention is a plastically deformable band of constant width and thickness.
  • V-shaped sections 1 2 are mutually punched out of this material, so that the development of a closure clip strip shown in FIG. 1 results from the mutually attached closure clips 10.
  • Fig. 6 shows that the sections 1 2 do not necessarily have to be V-shaped.
  • each closure clip 10 essentially consists of a clip base 14, on the side of which two Attach legs 1 6 and 1 8, which taper continuously from one side of the clamp base 14 towards their ends 20 and 22 and on different longitudinal sides of the closure clamp 10 to less than half their greatest width.
  • Each leg 16 and 18 thus has a parallel longitudinal side 28 and 30 and an oblique longitudinal side 32 and 34 with respect to the center line of the band-shaped starting material.
  • the tape is bent into sealing clips 10 U-shaped in automatic bending machines.
  • the clamp base 14 remains flat during bending, while the legs 1 6 and 1 8 protrude.
  • the connecting webs 24 and 26 protrude laterally from the legs 1 6 and 1 8 and in this way allow all the interlocking closure clips (10) of a strip to be open in the same direction (in FIG. 2: upwards).
  • the closure clip 10 When the closure clip 10 is closed, its connecting webs 24 and 26 do not butt against one another, but are guided past one another, so that the profile from FIG. 2 is deformed to the profile shown in FIG. 4.
  • the closure clip 10 completely encloses a braid 36.
  • the top view shown in Fig. 5 on the closed closure clip in Fig. 4 shows that the legs 1 6 and 1 8 abut against one another with their oblique long sides 32 and 34 and still securely close the braid 36 when the legs 1 6 and 1 8 are pushed apart by the enclosed braid 36 , or spring back somewhat after closing due to their elasticity.
  • the exact shape of the closing clip 10 after the closing depends on the included braid diameter: if this is very large, the oblique long sides 32 and 34 of the legs 1 6 and 18 do not touch; nevertheless they cover each other laterally so that the braid is securely closed. Conversely, if the braid diameter is very small, the legs 1 6 and 1 8 slide along one another during closure over a large part of their length; at the same time the entire closure clip 10 and in particular the clip base 14 twist. The oblique longitudinal sides 32 and 34 of the legs 1 6 and 1 8 are then pressed against one another after the closing of spring forces resulting from the twisting of the closure clip 1 0.
  • the sections 1 2 which are mutually punched out when producing a strip of closure clips need not necessarily be V-shaped. If the sections 1 2 '- as shown in Fig. 6 - have a different shape, the legs 1 6' and 1 8 'have a constant width at their end and thus allow the diameter of the braid cross-sections to be even larger Range may vary. In extreme cases, the cutouts can even be rectangular.
  • the closure clip according to FIG. 6 does not twist when braids of particularly small diameters are to be closed, because the mutually parallel end regions of the legs 1 6 'and 1 8' move past each other smoothly when closing can. The legs 1 6 'and 1 8' touch each other laterally after closing only when the width of their end regions is just half of the largest closing clip width.
  • the locking clip shown in the development in FIG. 7 has additional locking teeth 40 which counteract opening of the closed locking clip.
  • the ratchet teeth 40 are located in the vicinity of the ends 20 “and 22" of the legs 1 6 "and 18" on those longitudinal sides which rest against one another when the clip is closed, as shown in FIG. 8.
  • the locking teeth 40 each have locking surfaces 42 and sliding surfaces 44.
  • the locking surfaces 42 run approximately perpendicular to the center line of the strip material from which the closure clips 10 ′′ were produced.
  • the sliding surfaces 44 have a flatter angle than the locking surfaces 42 with respect to this center line and, together with them, form in the direction of the clip base 14 the locking clip 10 "inclined locking teeth 40th
  • the bevels 32734 "of the locking clip according to FIG. 7 slide past one another when locking. This means that the locking teeth 40 of the two legs 1 6" and 18 "with at least one Part of their sliding surfaces 44 slide past one another. After closing, the sliding surfaces 44 of the two legs 1 6 "and 18" partially abut one another. If the force with which the automatic closing machine acts on the closing clamp 10 "immediately decreases after the closing, they tend to Legs 1 6 "and 18" of the locking clip 10 "due to their elasticity and the force exerted by the braid 36 on the locking clip 10" to spring back. During this springing back, at least some of the latching surfaces 42 of the two legs 16 “and 18” move towards one another until they abut one another. As soon as at least some of the latching surfaces 42 abut one another, the legs 16 "and 18" cannot spring back any further, and the locking clip 10 "cannot open further. The state shown in FIG. 8 is obtained.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)
  • Bag Frames (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Slide Fasteners (AREA)

Abstract

A magazinable strip of clasps (10) for flexible tubes and bags, the individual clasps of which consist in each case of a clasp base (14) and two arms (16, 18) and which are connected to each other at the ends of the arms, is shaped such that the clasps (10) are widest in the area of the clasp base (14) and the width of the adjoining arms (16, 18) of two adjacent clasps (10) alternatively narrows to less than half their largest width, first on one longitudinal side and then the other. The longitudinal sides (32', 34') of the two arms (16, 18) can have interlocking teeth (40, 42) that limit any spring-back of the arms of the clasps once they have been closed.

Description

Magazinierbarer Streifen von Verschlußklammern für Schläuche und Beutel Magazineable strip of closure clips for hoses and bags
Die Erfindung betrifft einen magazinierbaren Streifen von Verschlußklammern für Schläuche und Beutel, dessen Einzelklammern jeweils aus einem Klammerboden und zwei Schenkeln bestehen und an den Schenkelenden miteinander verbunden sind.The invention relates to a magazine strip of closure clips for tubes and bags, the individual clips each consisting of a clip base and two legs and are connected to each other at the leg ends.
Verschlußklammerstreifen der genannten Art bestehen in der Regel aus einem ursprünglich flachen Grundprofil, welches für die Verarbeitung mit Schließautoma¬ ten zu einem Strang aneinanderhängender, U-förmiger Einzelklammern verformt wird. Zum Verschließen eines Beutels oder eines Schlauches wird dieser zu einem Zopf zusammengerafft und in eine U-förmige Verschlußklammer eingelegt, welche vom Streifen abgetrennt wird. Daraufhin wird die Verschlußklammer verschlossen, indem die beiden Schenkel der U-förmigen Verschlußklammer aufeinanderzu gebogen werden. Dabei stoßen die freien Enden der Schenkel aneinander und werden gestaucht. Eine Beschreibung eines solchen Verschlußvorganges und von dem Stand der Technik entsprechenden Verschlußklammern befindet sich in der DE-PS 37 1 5 626.Sealing clip strips of the type mentioned generally consist of an originally flat basic profile, which is shaped into a strand of U-shaped individual clips which are attached to one another for processing with automatic locking devices. To close a bag or a hose, it is gathered into a braid and placed in a U-shaped closing clip, which is separated from the strip. The closure clip is then closed by bending the two legs of the U-shaped closure clip toward one another. The free ends of the legs meet and are compressed. A description of such a closure process and of the prior art closure clips can be found in DE-PS 37 1 5 626.
ORIGINAL UNTERLAGEN Ein großer Nachteil dieser bekannten Verschlußclips besteht darin, daß der Quer¬ schnitt des zum Zopf gerafften Schlauches oder Beutels innerhalb relativ enger Grenzen liegen muß, damit sowohl ein sicheres als auch ein dichtes Verschließen gewährleistet wird. Wenn der Zopf-Querschnitt zu groß ist, können die freien Enden der Schenkel nicht aneinanderstoßen, und der Beutel oder Schlauch ist nicht sicher verschlossen. Ist andererseits der Zopf-Querschnitt zu klein, sind die beiden Schenkel der Verschlußklammer schon maximal gestaucht, bevor der Zopf ganz komprimiert ist, so daß der Schlauch oder Beutel nicht dicht verschlossen werden kann. Hinzu kommt, daß die Verschlußkräfte beim Verschließen relativ groß sind.ORIGINAL DOCUMENTS A major disadvantage of these known closure clips is that the cross-section of the tube or bag gathered to form the plait must lie within relatively narrow limits, so that both a secure and a tight closure is ensured. If the braid cross-section is too large, the free ends of the legs cannot meet and the bag or tube is not securely closed. If, on the other hand, the braid cross-section is too small, the two legs of the closing clip are already maximally compressed before the braid is completely compressed, so that the hose or bag cannot be sealed tightly. In addition, the locking forces when closing are relatively large.
Um diesen Nachteil zu vermeiden, hat man die Breite der Schenkel der Verschlu߬ klammern zu den freien Enden hin gegenläufig verringert, so daß nach dem Ver¬ schließvorgang die Schenkel teilweise nebeneinanderliegen. Aus der US-PS 2 855 647 ist es bekannt, die so geformten Einzelklammern hintereinander auf einem flexiblen Transportband selbstklebend zu halten und auf diese Weise magazi¬ nierbar zu machen. Eine andere Lösung zeigt das DE-GM 1 960 244; dort hängen die Einzelklammern im Bodenbereich aneinander und müssen unter einem Winkel zur Streifenlängsrichtung voneinander getrennt werden. In den gebräuchlichen Ver¬ schließautomaten lassen sich weder die einen noch die anderen Klammern ver¬ arbeiten; auch ist ihre Herstellung wesentlich teurer als die der eingangs beschrie¬ benen Klammerstreifen.In order to avoid this disadvantage, the width of the legs of the locking clips has been reduced in the opposite direction towards the free ends, so that after the closing operation the legs lie partially next to one another. From US Pat. No. 2,855,647 it is known to hold the individual clamps thus formed in a self-adhesive manner on a flexible conveyor belt and to make them magazi¬ nable in this way. Another solution is shown in DE-GM 1 960 244; there the individual clips hang together in the floor area and must be separated from one another at an angle to the longitudinal direction of the strip. Neither one or the other clamps can be processed in the conventional automatic lockers; their manufacture is also considerably more expensive than that of the clip strips described at the beginning.
Der Erfindung liegt daher die Aufgabe zugrunde, einen Verschlußklammerstreifen anzugeben, dessen Einzelklammern an den Schenkelenden aneinanderhängen, aber für einen großen Bereich unterschiedlicher Zopf-Querschnitte geeignet sind.The invention is therefore based on the object of specifying a closure clip strip, the individual clips of which hang from one another at the ends of the legs, but are suitable for a large range of different pigtail cross-sections.
Diese Aufgabe wird durch einen Verschlußklammerstreifen der eingangs genannten Art gelöst, dessen Verschlußklammern im Bereich des Klammerbodens am breite¬ sten sind und die Breite der aneinandergrenzenden Schenkel zweier benachbarter Verschlußklammern zwischen ihren klammerbodenseitigen Enden und ihren mitein¬ ander verbundenen Enden einseitig auf weniger als die Hälfte ihrer größten Breite abnimmt, wobei die Breitenabnahme in Streifenrichtung abwechselnd nach der einen und der anderen Längsseite vorgesehen ist.This object is achieved by a closure clip strip of the type mentioned at the beginning, the closure clips of which are the widest in the area of the clip base and the width of the adjoining legs of two adjacent clip clips between their clip bottom ends and their mutually connected ends on one side to less than half of them greatest width decreases, the width decrease in the strip direction is provided alternately on one and the other long side.
Der Kunstgriff, in der Streifenfolge die einseitige Verjüngung der Schenkelbreite alternierend vorzusehen, so daß immer unterschiedlich geformte bzw. angeordnete Verschlußklammern im Streifen aufeinanderfolgen, erlaubt die Herstellung magazi¬ nierbarer Streifen aus an ihren Schenkelenden aneinanderhängenden Verschluß- klammern auch mit solchen Verschlußklammern, wie sie im Prinzip aus der US-PS 2 855 647 bekannt waren. Beim Verarbeiten eines solchen Verschlußklammer¬ streifens hat das zwar zur Folge, daß die Trennfuge zwischen den beim Verschlie¬ ßen aneinandergelegten Schenkeln derselben Klammer bei aufeinanderfolgenden Klammern abwechselnd einen anderen Neigungswinkel zur Längsachse des Hüllen¬ zopfes einschließt, was aber unproblematisch ist.The trick of alternately providing the one-sided tapering of the leg width in the stripe sequence, so that differently shaped or arranged closure clips follow one another in the stripe, allows the production of mageable strips from closure straps attached to one another at their leg ends. also clasp with such closure clips as were known in principle from US Pat. No. 2,855,647. When processing such a closure clip strip, this does have the result that the parting line between the legs of the same clip placed against one another during closing alternately includes a different angle of inclination to the longitudinal axis of the sleeve braid in the case of successive clips, which is, however, unproblematic.
Mit den Verschlußklammern des erfindungsgemäßen Streifens können zum Zopf geraffte Beutel oder Schläuche unterschiedlichsten Zopfdurchmessers verschlossen werden; die Wurstzöpfe können in ihrem Durchmesser um 40% voneinander abweichen. Außerdem sind die Kräfte zum Verschließen bei der erfindungsgemäßen Klammer nur halb so groß wie bei denen des Standes der Technik. Ein weiterer Vorteil besteht darin, daß die Verschlußklammerstreifen sehr einfach herzustellen sind; die Materialeinsparung beträgt dabei ca. 25 % gegenüber herkömmlichen Ver¬ schlußklammerstreifen.The closure clips of the strip according to the invention can be used to seal bags or hoses of various braid diameters gathered to form a braid; the diameter of the sausage braids can vary by 40%. In addition, the closing forces in the clip according to the invention are only half as great as those in the prior art. Another advantage is that the closure clip strips are very easy to manufacture; the material saving is approximately 25% compared to conventional closure clip strips.
Eine Variante der Verschlußklammern besteht darin, daß die Schenkel in der Nähe ihres freien Endes eine konstante Breite haben. Auf diese Weise ist es möglich, den Bereich, auf dem sich die Schenkel einer verschlossenen Verschlußklammer seitlich überdecken, zu vergrößern, so daß auch der Bereich, in dem die Zopf-Querschnitte variieren dürfen, noch größer wird.A variant of the locking clips is that the legs have a constant width in the vicinity of their free end. In this way it is possible to enlarge the area on which the legs of a closed locking clip overlap, so that the area in which the braid cross-sections may vary becomes even larger.
Bei den Verschlußklammern des erfindungsgemäßen Verschlußklammerstreifens kann es allerdings aufgrund der Elastizität des Verschlußklammer-Materials und der Kräfte, die das von der Verschlußklammer eingeschlossene Zopfmaterial auf die Verschlußklammer ausübt, zu einem Zurückfedern der beiden Schenkel einer Verschlußklammer kommen, sobald die vom Verschließautomaten auf die Ver¬ schlußklammer ausgeübten Kräfte nachlassen. Dieses Zurückfedern kann zu unerwünschten Undichtigkeiten führen. Zur Verminderung solcher unerwünschten Undichtigkeiten können alle Verschlußklammern, bei denen die Längsseiten zweier Schenkel nach dem Verschließen der Verschlußklammer seitlich aneinander anliegen, -wie dies bei den erfindungsgemäßen, aber auch bekannten Verschlu߬ klammern der Fall ist, an den entsprechenden Längsseiten mit Rastzähnen versehen sein, die das Zurückfedern der Schenkel der Verschlußklammer nach ihrem Ver¬ schließen begrenzen. Die Schenkel der Verschlußklammern können dann nur noch so weit zurückfedern, bis sich ihre Zähne ineinander verkrallen. Ausführungsbeispiele der erfindungsgemäßen Verschlußklammer sollen nun anhand der Zeichnungsfiguren erläutert werden. Es zeigt:In the fastener clips of the fastener clip strip according to the invention, however, due to the elasticity of the fastener material and the forces that the braid material enclosed by the fastener material exerts on the fastener clip, the two legs of a fastener clip can spring back as soon as the from the automatic sealing machine to the fastener decrease the force exerted by This spring back can lead to undesirable leaks. To reduce such undesirable leaks, all locking clips in which the long sides of two legs abut one another laterally after the locking clip has been closed, as is the case with the locking clips according to the invention but also known, can be provided with locking teeth on the corresponding long sides, which limit the spring back of the legs of the locking clip after it has been closed. The legs of the locking clips can then only spring back until their teeth clench. Embodiments of the closure clip according to the invention will now be explained with reference to the drawing figures. It shows:
Fig. 1 in Draufsicht eine teilweise Abwicklung einer Verschlußklammer¬ streifens;1 is a top view of a partial development of a closure clip strip;
Fig. 2 den Streifenteil der Fig. 1 in der Vorderansicht;Fig. 2 shows the strip part of Fig. 1 in front view;
Fig. 3 eine Verschlußklammer des Streifens in der Seitenansicht;Figure 3 is a side closure clip of the strip.
Fig. 4 eine um einen Zopf verschlossene Verschlußklammer in derFig. 4 a closure clip closed by a braid in the
Vorderansicht;Front view;
Fig. 5 die verschlossene Verschlußklammer aus Fig. 4 in der Drauf¬ sicht;5 shows the closed closure clip from FIG. 4 in a top view;
Fig. 6 eine Variante der Abwicklung des Verschlußklammerstreifens inFig. 6 shows a variant of the processing of the closure clip strip in
Fig. 1 .Fig. 1.
Fig. 7 eine weitere Variante der Abwicklung eines Verschlußklammer¬ streifens wie in Fig. 1 mit Rastzähnen; und7 shows a further variant of the processing of a closure clip strip as in FIG. 1 with locking teeth; and
Fig. 8 eine verschlossene Verschlußklammer gemäß Fig. 7 in der Drauf¬ sicht;FIG. 8 is a top view of a closed closure clip according to FIG. 7;
Das Ausgangsmaterial für die Herstellung einer erfindungsgemäßen Verschlu߬ klammer ist ein plastisch verformbares Band konstanter Breite und Dicke. Aus diesem Material werden wechselseitig V-förmige Abschnitte 1 2 ausgestanzt, so daß sich die in Fig. 1 abgebildete Abwicklung eines Verschlußklammerstreifens aus den aneinanderhängenden Verschlußklammern 10 ergibt. Daß die Abschnitte 1 2 nicht notwendigerweise V-förmig sein müssen, zeigt Fig. 6. In der Abwicklung (Fig. 1 , Fig. 6) ist zu erkennen, daß jede Verschlußklammer 10 im wesentlichen aus einem Klammerboden 14 besteht, an dem seitlich zwei Schenkel 1 6 und 1 8 ansetzen, welche sich vom Klammerboden 14 ausgehend zu ihren Enden 20 und 22 hin stetig einseitig und auf verschiedenen Längsseiten der Verschlußklammer 10 auf weniger als die Hälfte ihrer größten Breite verjüngen. Jeder Schenkel 1 6 und 18 weist mithin in bezug auf die Mittellinie des bandförmigen Ausgangsmateri¬ als eine parallele Längsseite 28 bzw. 30 und eine schräge Längsseite 32 bzw. 34 auf. An den Enden 20 und 22 der Schenkel 1 6 und 1 8 befinden sich Verbindungs¬ stege 24 und 26, an denen die Verschlußklammern 10 aneinanderhängen. Nach dem Ausstanzen wird das Band in Biegeautomaten zu Verschlußclips 1 0 U- förmig gebogen. In dem in Fig. 2 dargestellten Ausführungsbeispiel bleibt der Klammerboden 14 beim Biegen flach, während die Schenkel 1 6 und 1 8 aufragen. Die Verbindungsstege 24 und 26 stehen seitlich von den Schenkeln 1 6 und 1 8 ab und erlauben es auf diese Weise, daß alle aneinanderhängenden Verschlußklam¬ mern (10) eines Streifens in dieselbe Richtung (in Fig. 2: nach oben) geöffnet sind.The starting material for the production of a closure clip according to the invention is a plastically deformable band of constant width and thickness. V-shaped sections 1 2 are mutually punched out of this material, so that the development of a closure clip strip shown in FIG. 1 results from the mutually attached closure clips 10. Fig. 6 shows that the sections 1 2 do not necessarily have to be V-shaped. In the development (Fig. 1, Fig. 6) it can be seen that each closure clip 10 essentially consists of a clip base 14, on the side of which two Attach legs 1 6 and 1 8, which taper continuously from one side of the clamp base 14 towards their ends 20 and 22 and on different longitudinal sides of the closure clamp 10 to less than half their greatest width. Each leg 16 and 18 thus has a parallel longitudinal side 28 and 30 and an oblique longitudinal side 32 and 34 with respect to the center line of the band-shaped starting material. At the ends 20 and 22 of the legs 1 6 and 1 8 there are connecting webs 24 and 26, on which the closure clips 10 hang together. After punching out, the tape is bent into sealing clips 10 U-shaped in automatic bending machines. In the exemplary embodiment shown in FIG. 2, the clamp base 14 remains flat during bending, while the legs 1 6 and 1 8 protrude. The connecting webs 24 and 26 protrude laterally from the legs 1 6 and 1 8 and in this way allow all the interlocking closure clips (10) of a strip to be open in the same direction (in FIG. 2: upwards).
In Fig. 3 ist deutlich zu erkennen, daß sich die gegenüberstehenden Schenkel 1 6 und 1 8 der U-förmig geformten Verschlußklammern aus Fig. 2 wechselseitig vom Klammerboden 14 zu den Schenkelenden 20 und 22 hin verjüngen.In Fig. 3 it can be clearly seen that the opposing legs 1 6 and 1 8 of the U-shaped closure clips from Fig. 2 alternately taper from the bracket base 14 to the leg ends 20 and 22.
Beim Verschließen der Verschlußklammer 10 stoßen ihre Verbindungsstege 24 und 26 nicht stumpf aneinander, sondern werden aneinander vorbeigeführt, so daß das Profil aus Fig. 2 zu dem in Fig. 4 abgebildeten Profil verformt wird. Die Verschlu߬ klammer 10 umschließt dabei einen Zopf 36 vollständig. Die in Fig. 5 dargestellte Aufsicht auf die verschlossene Verschlußklammer in Fig. 4 zeigt, daß die Schenkel 1 6 und 1 8 mit ihren schrägen Längsseiten 32 und 34 aneinander anliegen und den Zopf 36 auch dann noch sicher verschließen, wenn die Schenkel 1 6 und 1 8 von dem eingeschlossenen Zopf 36 auseinandergedrückt werden, oder nach dem Verschließen infolge ihrer Elastizität etwas zurückfedern.When the closure clip 10 is closed, its connecting webs 24 and 26 do not butt against one another, but are guided past one another, so that the profile from FIG. 2 is deformed to the profile shown in FIG. 4. The closure clip 10 completely encloses a braid 36. The top view shown in Fig. 5 on the closed closure clip in Fig. 4 shows that the legs 1 6 and 1 8 abut against one another with their oblique long sides 32 and 34 and still securely close the braid 36 when the legs 1 6 and 1 8 are pushed apart by the enclosed braid 36 , or spring back somewhat after closing due to their elasticity.
Die genaue Form der Verschlußklammer 10 nach dem Verschließen hängt von dem eingeschlossenen Zopfdurchmesser ab: Wenn dieser sehr groß ist, berühren sich die schrägen Längsseiten 32 und 34 der Schenkel 1 6 und 18 nicht; gleichwohl überdecken sie sich seitlich, so daß der Zopf sicher verschlossen ist. Ist umgekehrt der Zopfdurchmesser sehr klein, gleiten die Schenkel 1 6 und 1 8 beim Verschließen über einen großen Teil ihrer Länge aneinander entlang; gleichzeitig verwindet sich die gesamte Verschlußklammer 10 und insbesondere der Klammerboden 14. Die schrägen Längsseiten 32 und 34 der Schenkel 1 6 und 1 8 werden dann nach dem Verschließen von aus der Verwindung der Verschlußklammer 1 0 resultierenden Federkräften gegeneinandergedrückt.The exact shape of the closing clip 10 after the closing depends on the included braid diameter: if this is very large, the oblique long sides 32 and 34 of the legs 1 6 and 18 do not touch; nevertheless they cover each other laterally so that the braid is securely closed. Conversely, if the braid diameter is very small, the legs 1 6 and 1 8 slide along one another during closure over a large part of their length; at the same time the entire closure clip 10 and in particular the clip base 14 twist. The oblique longitudinal sides 32 and 34 of the legs 1 6 and 1 8 are then pressed against one another after the closing of spring forces resulting from the twisting of the closure clip 1 0.
Wie bereits beschrieben, müssen die beim Herstellen eines Streifens von Ver¬ schlußklammern wechselseitig ausgestanzten Abschnitte 1 2 nicht notwendiger¬ weise V-förmig sein. Wenn die Abschnitte 1 2' - wie in Fig. 6 dargestellt - eine andere Form haben, haben die Schenkel 1 6' und 1 8' an ihrem Ende eine konstante Breite und erlauben damit, daß die Durchmesser der Zopf-Querschnitte in einem noch größeren Bereich variieren dürfen. Im Extremfalle können die Ausschnitte sogar rechteckförmig sein. Bei der Verschlußklammer nach Figur 6 kommt es im Gegensatz zu denjenigen nach Fig. 1 nicht zu Verwindungen, wenn Zöpfe besonders kleinen Durchmessers verschlossen werden sollen, weil sich die zueinander parallelen Endbereiche der Schenkel 1 6' und 1 8' beim Verschließen ohnehin glatt aneinander vorbeibewegen können. Die Schenkel 1 6' und 1 8' berühren sich nach dem Verschließen auch nur dann seitlich, wenn die Breite ihrer Endbereiche gerade die Hälfte der größten Verschlußklammerbreite beträgt.As already described, the sections 1 2 which are mutually punched out when producing a strip of closure clips need not necessarily be V-shaped. If the sections 1 2 '- as shown in Fig. 6 - have a different shape, the legs 1 6' and 1 8 'have a constant width at their end and thus allow the diameter of the braid cross-sections to be even larger Range may vary. In extreme cases, the cutouts can even be rectangular. In contrast to those according to FIG. 1, the closure clip according to FIG. 6 does not twist when braids of particularly small diameters are to be closed, because the mutually parallel end regions of the legs 1 6 'and 1 8' move past each other smoothly when closing can. The legs 1 6 'and 1 8' touch each other laterally after closing only when the width of their end regions is just half of the largest closing clip width.
Die in Fig. 7 in der Abwicklung dargestellte Verschlußklammer weist im Gegensatz zu der in Fig. 1 dargestellten zusätzlich Rastzähne 40 auf, die einem Öffnen der verschlossenen Verschlußklammer entgegenwirken. Die Rastzähne 40 befinden sich jeweils in der Nähe der Enden 20" und 22" der Schenkel 1 6" und 18" an denjenigen Längsseiten, ά\e beim verschlossenen Clip aneinander anliegen, wie dies in Fig. 8 gezeigt ist. Die Rastzähne 40 weisen jeweils Rastflächen 42 und Gleit¬ flächen 44 auf. Die Rastflächen 42 verlaufen in etwa senkrecht zur Mittellinie des Bandmaterials, aus dem die Verschlußklammern 10" gefertigt wurden. Die Gieit- flächen 44 haben gegenüber dieser Mittellinie einen flacheren Winkel als die Rastflächen 42 und bilden zusammen mit diesen in Richtung auf den Klammerbo¬ den 14 der Verschlußklammer 10" geneigte Rastzähne 40.In contrast to the locking clip 40 shown in FIG. 1, the locking clip shown in the development in FIG. 7 has additional locking teeth 40 which counteract opening of the closed locking clip. The ratchet teeth 40 are located in the vicinity of the ends 20 "and 22" of the legs 1 6 "and 18" on those longitudinal sides which rest against one another when the clip is closed, as shown in FIG. 8. The locking teeth 40 each have locking surfaces 42 and sliding surfaces 44. The locking surfaces 42 run approximately perpendicular to the center line of the strip material from which the closure clips 10 ″ were produced. The sliding surfaces 44 have a flatter angle than the locking surfaces 42 with respect to this center line and, together with them, form in the direction of the clip base 14 the locking clip 10 "inclined locking teeth 40th
Wie beim Verschließen der Verschlußklammern nach Fig. 1 bis 6 gleiten die Schrä¬ gen 32734" der Verschlußklammer nach Fig. 7 beim Verschließen aneinander vorbei. Dies führt dazu, daß auch die Rastzähne 40 der beiden Schenkel 1 6" und 18" mit wenigstens einem Teil ihrer Gleitflächen 44 aneinander vorbeigleiten. Nach dem Verschließen liegen dann die Gleitflächen 44 der beiden Schenkel 1 6" und 18" teilweise aneinander an. Wenn unmittelbar nach dem Verschließen die Kraft nachläßt, mit der der Verschiießautomat auf die Verschlußklammer 10" einwirkt, neigen die Schenkel 1 6" und 18" der Verschlußklammer 10" aufgrund deren Elasti¬ zität und der von dem Zopf 36 auf die Verschlußklammer 10" ausgeübten Kraft dazu, zurückzufedern. Während dieses Zurückfederns bewegen sich wenigstens einige der Rastflächen 42 der beiden Schenkel 1 6" und 1 8" solange aufeinander zu, bis sie aneinander anliegen. Sobald zumindest einige der Rastflächen 42 anein¬ ander anliegen, können die Schenkel 1 6" und 1 8" nicht weiter zurückfedern, und die Verschlußklammer 10" kann sich nicht weiter öffnen. Es stellt sich der in Fig. 8 abgebildete Zustand ein. 1 to 6, the bevels 32734 "of the locking clip according to FIG. 7 slide past one another when locking. This means that the locking teeth 40 of the two legs 1 6" and 18 "with at least one Part of their sliding surfaces 44 slide past one another. After closing, the sliding surfaces 44 of the two legs 1 6 "and 18" partially abut one another. If the force with which the automatic closing machine acts on the closing clamp 10 "immediately decreases after the closing, they tend to Legs 1 6 "and 18" of the locking clip 10 "due to their elasticity and the force exerted by the braid 36 on the locking clip 10" to spring back. During this springing back, at least some of the latching surfaces 42 of the two legs 16 "and 18" move towards one another until they abut one another. As soon as at least some of the latching surfaces 42 abut one another, the legs 16 "and 18" cannot spring back any further, and the locking clip 10 "cannot open further. The state shown in FIG. 8 is obtained.

Claims

PATENTANSPRÜCHE PATENT CLAIMS
1 . Magazinierbarer Streifen von Verschlußklammern für Schläuche und Beutel, dessen Einzelklammern jeweils aus einem Klammerboden und zwei Schenkeln bestehen und an den Schenkelenden miteinander verbunden sind, dadurch gekennzeichnet, daß die Verschlußklammern ( 10) im Bereich des Klammer¬ bodens (14) am breitesten sind und die Breite der aneinander grenzenden Schenkel (1 6, 1 8) zweier benachbarter Verschlußklammern (10) zwischen ihren klammerbo- denseitigen Enden und ihren miteinander verbundenen Enden (20, 22) einseitig auf weniger als die Hälfte ihrer größten Breite abnimmt, wobei die Breitenabnahme in Streifenrichtung abwechselnd nach der einen und der-anderen Längsseite vor¬ gesehen ist.1 . Magazineable strip of closure clips for hoses and bags, the individual clips of which each consist of a clip base and two legs and are connected to one another at the ends of the legs, characterized in that the closure clips (10) are widest in the area of the clip base (14) and the The width of the adjoining legs (1 6, 1 8) of two adjacent closure clips (10) between their clip bottom ends and their interconnected ends (20, 22) decreases on one side to less than half their greatest width, the width decrease in the direction of the strip is alternately provided on one and the other long side.
2. Verschlußklammerstreifen nach Anspruch 1 , dadurch gekennzeichnet, daß die Schenkel (1 6', 18') über Teillängen an ihren miteinander verbundenen Enden (20', 22') eine konstante Breite haben.2. closure clip strip according to claim 1, characterized in that the legs (1 6 ', 18') over partial lengths at their interconnected ends (20 ', 22') have a constant width.
3. Verschlußklammerstreifen insbesondere nach Anspruch 1 , dadurch gekennzeichnet, daß die bei geschlossener Verschlußklammer (10", 50) aneinander anliegenden Längsseiten der beiden Schenkel (16", 18") derselben Verschlußklammer Rastzähne (40) aufweisen, die ein Zurückfedern der Schenkel (16", 1 8") der Verschlußklammer (10") nach ihrem Schließen begrenzen.3. closure clip strip in particular according to claim 1, characterized in that when the closure clip (10 ", 50) abutting longitudinal sides of the two legs (16", 18 ") of the same closure clip have locking teeth (40) which spring back the legs (16 ", 1 8") of the locking clip (10 ") after closing.
4. Verschlußklammerstreifen nach Anspruch 3, dadurch gekennzeichnet, daß die Schenkel (1 6", 1 8") die Rastzähne (40) auf Teillängen ihrer bei geschlossener Verschlußklammer (1 0") aneinander anliegenden Längsseiten aufweisen.4. closure clip strip according to claim 3, characterized in that the legs (1 6 ", 1 8") have the locking teeth (40) over part of their length when the closure clip (1 0 ") abutting longitudinal sides.
5. Verschlußklammerstreifen nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß die Schenkel (1 6", 1 8") die Rastzähne (40) auf Teillängen aufweisen, welche sich an die Enden der Schenkel (1 6", 18") an¬ schließen.5. closure clip strip according to claim 3 or 4, characterized in that the legs (1 6 ", 1 8") have the locking teeth (40) on partial lengths, which at the ends of the legs (1 6 ", 18") an¬ conclude.
6. Verschlußklammerstreifen nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, daß die Rastzähne (40) zum Klammerboden (14") hin geneigt sind. 6. closure clip strip according to one of claims 3 to 5, characterized in that the locking teeth (40) to the clip base (14 ") are inclined.
EP96925656A 1995-07-29 1996-07-02 Magazinable strip of clasps for flexible tubes and bags Expired - Lifetime EP0842096B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19527876 1995-07-29
DE19527876A DE19527876A1 (en) 1995-07-29 1995-07-29 Locking clip
PCT/EP1996/002937 WO1997005031A1 (en) 1995-07-29 1996-07-02 Magazinable strip of clasps for flexible tubes and bags

Publications (2)

Publication Number Publication Date
EP0842096A1 true EP0842096A1 (en) 1998-05-20
EP0842096B1 EP0842096B1 (en) 1999-06-02

Family

ID=7768177

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96925656A Expired - Lifetime EP0842096B1 (en) 1995-07-29 1996-07-02 Magazinable strip of clasps for flexible tubes and bags

Country Status (15)

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US (1) US5953794A (en)
EP (1) EP0842096B1 (en)
JP (1) JP3249529B2 (en)
CN (1) CN1063400C (en)
AR (1) AR002864A1 (en)
AT (1) ATE180735T1 (en)
AU (1) AU6611296A (en)
BR (1) BR9609850A (en)
DE (2) DE19527876A1 (en)
ES (1) ES2132940T3 (en)
HK (1) HK1013924A1 (en)
HU (1) HUP9802633A3 (en)
RU (1) RU2151089C1 (en)
WO (1) WO1997005031A1 (en)
ZA (1) ZA966157B (en)

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Also Published As

Publication number Publication date
HUP9802633A3 (en) 2000-12-28
JPH11509812A (en) 1999-08-31
EP0842096B1 (en) 1999-06-02
DE59602115D1 (en) 1999-07-08
CN1063400C (en) 2001-03-21
ATE180735T1 (en) 1999-06-15
BR9609850A (en) 1999-03-16
JP3249529B2 (en) 2002-01-21
CN1187798A (en) 1998-07-15
WO1997005031A1 (en) 1997-02-13
ZA966157B (en) 1998-01-19
HK1013924A1 (en) 1999-09-17
US5953794A (en) 1999-09-21
RU2151089C1 (en) 2000-06-20
DE19527876A1 (en) 1997-01-30
AR002864A1 (en) 1998-04-29
ES2132940T3 (en) 1999-08-16
AU6611296A (en) 1997-02-26
HUP9802633A2 (en) 1999-02-01

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