EP0951427B1 - Pince de fermeture pour sachets et flexibles et matrice permettant de les fermer - Google Patents

Pince de fermeture pour sachets et flexibles et matrice permettant de les fermer Download PDF

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Publication number
EP0951427B1
EP0951427B1 EP98901338A EP98901338A EP0951427B1 EP 0951427 B1 EP0951427 B1 EP 0951427B1 EP 98901338 A EP98901338 A EP 98901338A EP 98901338 A EP98901338 A EP 98901338A EP 0951427 B1 EP0951427 B1 EP 0951427B1
Authority
EP
European Patent Office
Prior art keywords
clip
sealing
wire section
sliding grooves
section
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
EP98901338A
Other languages
German (de)
English (en)
Other versions
EP0951427A1 (fr
Inventor
Jürgen Hanten
Gerhard Lapp
Manfred Metzler
Jürgen Reitz
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 EP0951427A1 publication Critical patent/EP0951427A1/fr
Application granted granted Critical
Publication of EP0951427B1 publication Critical patent/EP0951427B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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.
    • Y10T24/14—Bale and package ties, hose clamps
    • Y10T24/1457—Metal bands
    • Y10T24/1488—Swedged to lock band ends
    • 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 wire section of round cross section existing closure clip for bags, film tubes or the like, with a Pre-bent bracket base and two adjoining it on both sides Brace legs, which in the closed state like a helix around a braid gathered bags, film tube or the like. are bent and lie partially next to each other.
  • the invention further relates to a wire section for the Locking clip and on a die with two sliding grooves for Close the locking clip.
  • Simple locking clips consisting of a round wire section can be produced in that an endless wire of a sealing machine a section of the wire is cut off in the sealing machine and the wire section finally, for example, around one to be closed Bag braid is bent around. It is also known a capping machine not endless wire, but already feeding separate wire sections that A circular cross-section of the same diameter over its entire length to have.
  • the wire sections can be preformed straight or U-shaped; the former is known from DE-A-41 20 440, the latter from CH-A-447 109.
  • These wire sections are usually placed next to one another in a magazine Carrier tape attached so that they form a magazine strand (DE-A-41 20 440).
  • closure clips formed from a wire section lies in their simple manufacture.
  • the tightness of closures that can be achieved thereby against it left something to be desired.
  • the U-shaped pre-bent locking clip is first from a magazine from adopted the stamp and guided against rotation. Then be Stamp and die moved towards each other. During this movement, the Clasp the packaging material gathered into a braid. Then the free ends of the legs of the locking clip reach the die first and are guided by sliding grooves in the die as the movement continues. The legs of the locking clip are plastically deformed so that finally a more or less circular closed closing clip results.
  • the solution to this problem consists, according to the invention, in a closure clip genus mentioned above, which is characterized in that the two Brace legs extend from their staple bottom ends to their free ends steadily rejuvenate.
  • This is based on the knowledge that there is a locking clip from a wire with a uniform cross-section when closing always in the area of the arch sections between the legs and the Bending the clamp floor particularly hard because this is where the bending stress is greatest is. Therefore take a uniform cross-section from a wire section existing closure clips never the ideal for tight closures Circular shape.
  • Wire cross section of the closure clip according to the invention (which, for example is achieved by partially stretching the round wire) is the bending stress distributed much more evenly over the entire length of the legs, so that the locking clip when closing approximately the ideal circular shape assumes.
  • each leg section is larger in the closed state and smaller diameter side by side, so that in this overlap section the total width of the closed bracket the diameter of the Output wire exceeds little and therefore no significant drop in the Surface pressure occurs.
  • the clip base is preformed in a circular arc.
  • the known from DE-A-37 15 626 Circular arch-shaped preforming of the clamp base supports the approach of the Closure clip to the ideal circular shape when closing.
  • a closure clip is preferred, which is on the outside Staple floor has an approach.
  • the Locking clip must be guided in the stamp so that it cannot rotate.
  • the object underlying the invention is also solved in one Wire section for the closure clips according to the invention, which thereby characterized in that the wire section for the individual locking clip of the ends of the part forming the bracket base to both ends steadily rejuvenated.
  • a wire section in particular solves the problem according to the invention in connection with such machines, which are straight, not pre-bent Wire sections are fed. in this case the individual wire sections first bent in a U-shape in the sealing machine (DE-A-41 20 440).
  • a die is also used to achieve the object mentioned type, whose two sliding grooves each start from one entry point narrow conically.
  • a matrix has the advantage that the tapered clamp legs of the closure clip according to the invention Closing closer together than with conventional matrices.
  • the die can be made narrower, so that only for the die a smaller space must be provided in the capping machine.
  • the die is designed such that that the centers of curvature of the sliding grooves are mirror images of the Center of the recess offset and their parallel axes against the axis the recess are less inclined than the axis of one between the Ribs with sliding grooves.
  • FIG. 1 The variant of a closure clip 10 shown in FIG. 1 has a preformed one Clamp base 12 on which there is a leg 14 on both sides connects.
  • Clip base 12 and leg 14 each have a round one Cross-section. This takes the legs 14 starting from their staple bottom Ends steadily towards their free ends. Ideally they form tapered leg 14 when closing the locking clip from Fig. 1 each a carrier of the same bending stress, so that they close when closed Round evenly.
  • Fig. 2 shows a variant of the closure clip 10 of FIG. 1, in which the Clamp base 12 'is not flattened in the middle, but an arcuate shape Has.
  • the clip base 12 ' has an extension on its outer radius 16 equipped, which allows the locking clip 10 'when closing to guide exactly by the approach 16 in a corresponding groove of a Closing tool engages. This particularly prevents the Locking clip 10 'during closing.
  • Fig. 2 shows that the bracket base 12 'and the legs 14 'do not have a round cross section, but - with the exception of the area of the Approach 16 - a hexagonal.
  • Figures 3 and 4 each show a wire section 20 and 20 ', respectively Closure clips of the type shown in Fig. 1 or similarly shaped can.
  • the wire section 20 from FIG. 3 has a cylindrical center piece the end sections 24 tapering on both sides towards the ends connect.
  • the middle piece 22 is provided to be pre-shaped in a U-shape be, so that there is a staple bottom such as the closing clip 10 from Fig. 1 forms. Form the end portions 24 of the wire portion 20 then the legs 14 of the locking clip 10.
  • the wire section 20 can be preformed into the open closure clip 10 outside the sealing machine, for example at the closure clip manufacturer happen.
  • the closure clip is then - possibly as part of a magazine strand - fed to the sealing machine in the preformed state.
  • the preforming of the closure clip 10 can also only within the Capping machine take place before the actual closing process. By doing the latter case, a wire section of the capping machine is stretched Condition fed.
  • the wire section 20 'according to FIG. 4 particularly suitable.
  • the wire section 20 'tapers starting from it Center steadily towards both ends. So it practically consists of only two conical end portions 24 '; a cylindrical center piece 22 as in the Wire section 20 is omitted. In this way, he already provides the later
  • the central region of the wire section 20 'forming a clamp base 12 forms a carrier represents the same bending stress that is used for preforming in the sealing machine easily takes on a uniformly round shape.
  • the staple legs 24 ' End regions of the wire section 20 'forming remain stretched. you will be only when closing the closing clip around the braid to be closed bent around. Since the clamp legs 24 'also make a carrier more uniform Represent bending stress, they also take the ideal when closing Circular arc shape.
  • FIGS. 5a to c show a known die 30 of a tool for Closing closure clips according to FIGS. 1 and 2.
  • FIGS. 5b and 5c represent the cuts designated in Figure 5a.
  • the die 30 has a recess in the form of a part-cylindrical recess 32 on.
  • the wall 34 are two immediately adjacent, parallel mutually extending slide grooves 36 and 38 milled.
  • Both slide grooves 36, 38 have the shape of an arc of the same radius, are also in cross section rounded and form a rib 35 between them.
  • the centers of both Arcs also lie on a common central axis 40, which the Cylinder axis 42 of the recess 32 intersects.
  • the central axis 40 is opposite the cylinder axis 42 so inclined (for example at an angle of 12 °) that the entry points 44 and 46 of the sliding grooves 36, 38, i.e.
  • both slide grooves 36, 38 is carried out in one piece Milling cutter about the point of intersection of the cylinder axis 42 with the central plane 48 defined vertical axis is pivoted about the aforementioned angle of inclination.
  • the die 30 from FIG. 5 would be used to close the locking clip 10 used in Fig. 1, the tapered staple ends would not brought so close together that they finally lie against each other laterally.
  • the die 30 ' also has two Slide grooves 36 'and 38', the main planes 37 ', 39' parallel to each other run, but compared to Fig. 5 - with unchanged inclination of the rib 35 '- are less inclined with respect to the central plane 48 '.
  • Fig. 8 shows a side view of the result of a closing process when one 4 is processed with a die according to FIG. 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Package Closures (AREA)
  • Bag Frames (AREA)
  • Clamps And Clips (AREA)

Claims (7)

  1. Pince de fermeture constituée d'un tronçon (20) de fil métallique de section transversale ronde pour sachets, gaines souples ou analogues, comportant une âme (12) de pince précambrée et deux branches (14) de pince qui s'y raccordent de part et d'autre, qui sont pliées, à l'état de fermeture, en hélice autour du sachet, de la gaine souple ou analogue, resserré en une tresse et qui sont en partie côte à côte, caractérisée en ce que les deux branches (14, 14') de pince se rétrécissent de manière continue de leurs extrémités situées côté âme de la fermeture en direction de leurs extrémités libres.
  2. Pince de fermeture suivant la revendication 1, caractérisée en ce que l'âme (12) de la pince est préformée en arc de cercle.
  3. Pince de fermeture suivant l'une des revendications précédentes, caractérisée en ce qu'il est prévu un prolongement (16) côté extérieur sur l'âme (12') de pince.
  4. Tronçon de fil métallique pour une pince de fermeture suivant la revendication 1, caractérisé en ce que le tronçon (20, 20') de fil métallique pour une pince de fermeture se rétrécit de manière continue des extrémités de la partie formant l'âme de la pince en direction des deux extrémités libres.
  5. Tronçon de fil métallique pour une pince de fermeture suivant la revendication 1, caractérisé en ce que la section transversale du tronçon (20') de fil métallique pour une pince de fermeture diminue de manière continue du milieu du tronçon (20') de fil métallique en direction des deux extrémités libres.
  6. Matrice pour fermer une pince de fermeture suivant la revendication 1, qui comporte un évidement (32) sensiblement cylindrique en partie et, dans cet évidement, deux gorges (36, 38) de glissement parallèles, qui sont inclinées par rapport au plan principal'de l'âme de la pince, qui sont incurvées suivant l'évidement et qui comportent chacune un point (44, 46) d'entrée et un point (45, 47) d'arrivée, caractérisée en ce que les deux gorges (36', 38') de glissement se rétrécissent en cône de leur point (44', 46') d'entrée associé en direction de leur point (45', 47') d'arrivée associé.
  7. Matrice suivant la revendication 6, caractérisée en ce que les centres (M2, M3) de l'incurvation des gorges (36', 38') de glissement sont décalés symétriquement comme en un miroir par rapport au centre (M1) de l'évidement et leurs axes (40', 42") parallèles sont inclinés plus faiblement par rapport à l'axe (42') de l'évidement (32') que l'axe (40) d'une nervure (35') s'étendant entre les gorges (36', 38') de glissement.
EP98901338A 1997-01-11 1998-01-06 Pince de fermeture pour sachets et flexibles et matrice permettant de les fermer Expired - Lifetime EP0951427B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19700692 1997-01-11
DE19700692A DE19700692A1 (de) 1997-01-11 1997-01-11 Verschlußklammer für Beutel und Schläuche sowie Matrize für ihre Verarbeitung
PCT/EP1998/000022 WO1998030460A1 (fr) 1997-01-11 1998-01-06 Pince de fermeture pour sachets et flexibles et matrice permettant de les fermer

Publications (2)

Publication Number Publication Date
EP0951427A1 EP0951427A1 (fr) 1999-10-27
EP0951427B1 true EP0951427B1 (fr) 2001-09-12

Family

ID=7817142

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98901338A Expired - Lifetime EP0951427B1 (fr) 1997-01-11 1998-01-06 Pince de fermeture pour sachets et flexibles et matrice permettant de les fermer

Country Status (6)

Country Link
US (1) US6401306B1 (fr)
EP (1) EP0951427B1 (fr)
AU (1) AU5765598A (fr)
DE (2) DE19700692A1 (fr)
ES (1) ES2162412T3 (fr)
WO (1) WO1998030460A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005014340U1 (de) * 2005-09-09 2007-02-01 Tipper Tie Technopack Gmbh Verschlussklammer für einen Verpackungsschlauch und Vorrichtung zum Verarbeiten der Verschlussklammer
DE202008010478U1 (de) 2008-08-06 2009-12-17 Tipper Tie Technopack Gmbh Verschlussklammer für schlauchförmige Verpackungen
DE202008010807U1 (de) 2008-08-05 2009-12-31 Tipper Tie Technopack Gmbh Verschlussklammer

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US20060075722A1 (en) * 2004-10-25 2006-04-13 Delaware Capital Formation, Inc. Clippers configured to operate with elastomeric clips, associated methods, systems and computer program products
US20060174590A1 (en) * 2005-02-04 2006-08-10 Robert Pinto Net clip and clipper
US7565780B2 (en) * 2005-02-04 2009-07-28 Poly-Clip System Corp. Clip and clipper
EP1899229B1 (fr) * 2005-06-16 2010-12-15 Poly-Clip System Corp. Systeme de fermeture d'attache
BRPI0707265A2 (pt) * 2006-01-27 2011-04-26 Poly Clip System Corp grampo e grampeador
US7287359B1 (en) 2006-06-08 2007-10-30 Poly-Clip System Corp. Tag lifter plate
DE102007012776A1 (de) * 2007-03-16 2008-09-18 Poly-Clip System Gmbh & Co Kg Verschlussklammer mit Rundboden
US8808066B2 (en) * 2007-09-25 2014-08-19 Poly-Clip System Corp. Plastic wire clipper/stuffer
US8266771B2 (en) * 2008-10-09 2012-09-18 Scott Jr Coley A Twist type fence tie
EP2374724B1 (fr) 2010-04-09 2014-09-17 Poly-clip System GmbH & Co. KG Clip de fermeture et moule pour fermer ce clip
DE202011106293U1 (de) 2011-09-30 2013-01-07 Poly-Clip System Gmbh & Co. Kg Verschlussclip mit mehreren Dornen
JP7040088B2 (ja) * 2018-02-09 2022-03-23 マックス株式会社 結束具
USD1004088S1 (en) 2021-08-19 2023-11-07 Medline Industries, Lp Surgical staple
USD1003436S1 (en) 2021-08-19 2023-10-31 Medline Industries, Lp Surgical staple

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005014340U1 (de) * 2005-09-09 2007-02-01 Tipper Tie Technopack Gmbh Verschlussklammer für einen Verpackungsschlauch und Vorrichtung zum Verarbeiten der Verschlussklammer
DE202008010807U1 (de) 2008-08-05 2009-12-31 Tipper Tie Technopack Gmbh Verschlussklammer
EP2151397A1 (fr) 2008-08-05 2010-02-10 Tipper Tie technopack GmbH Pince de fermeture
DE202008010478U1 (de) 2008-08-06 2009-12-17 Tipper Tie Technopack Gmbh Verschlussklammer für schlauchförmige Verpackungen
EP2151396A1 (fr) 2008-08-06 2010-02-10 Tipper Tie technopack GmbH Clip de fermeture pour emballages tubulaires

Also Published As

Publication number Publication date
EP0951427A1 (fr) 1999-10-27
WO1998030460A1 (fr) 1998-07-16
AU5765598A (en) 1998-08-03
ES2162412T3 (es) 2001-12-16
US6401306B1 (en) 2002-06-11
DE19700692A1 (de) 1998-07-23
DE59801440D1 (de) 2001-10-18

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