EP0935688B1 - Piece de serrage et mode de fabrication - Google Patents

Piece de serrage et mode de fabrication Download PDF

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Publication number
EP0935688B1
EP0935688B1 EP97950038A EP97950038A EP0935688B1 EP 0935688 B1 EP0935688 B1 EP 0935688B1 EP 97950038 A EP97950038 A EP 97950038A EP 97950038 A EP97950038 A EP 97950038A EP 0935688 B1 EP0935688 B1 EP 0935688B1
Authority
EP
European Patent Office
Prior art keywords
clamping device
profiles
pincer
clamping
portions
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
EP97950038A
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German (de)
English (en)
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EP0935688A1 (fr
Inventor
Christoph Heiland
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.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0935688A1 publication Critical patent/EP0935688A1/fr
Application granted granted Critical
Publication of EP0935688B1 publication Critical patent/EP0935688B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F55/00—Clothes-pegs
    • D06F55/02—Clothes-pegs with pivoted independent clamping members

Definitions

  • the invention relates to a clamping device with two Jaws, each of which merge into a handle section and connected to each other in the transition area by a crossbar are.
  • This clamping device can be a clamp act with the jaws in the non-actuated state preferably abut against each other under a pretension the handle sections are spread apart, or by one Clamp with the jaws in the non-actuated state are open or spaced.
  • the invention further relates to a method for producing such clamping devices.
  • the present invention is based on the object Specify clamping devices of the type under consideration, which with can be produced at low cost.
  • the clamping device is or whose half profiles are made in one piece from plastic, for example PVC, POM, PC or PP made, with the handle sections as Hollow chamber profiles are formed.
  • plastic for example PVC, POM, PC or PP made
  • the handle sections as Hollow chamber profiles are formed.
  • This will Material consumption significantly reduced, despite being thinner Wall thicknesses a high stiffness of the handle sections and / or Clamping jaws can be achieved.
  • the jaws are designed as hollow chambers.
  • the clamping jaws of the clamping device in their unactuated Condition fit together and the handle sections spaced apart, preferably at an angle spread apart, it is the Clamping device around a clamp, the clamping jaws thereby against spring force that the handle sections towards each other.
  • the Connection areas of the bilateral jaws with their on it adjoining handle sections which are preferably symmetrical to the Longitudinal axis of the clamping device are formed with such a shaped and dimensioned crossbar connected to each other that the elasticity of the open jaws placed in the closed state when the handle sections be released.
  • the handle portions of a spring device are forced apart, for what for example a metal clasp or a plastic clasp in the tensioned state arranged between the handle portions can be.
  • the Spring device through at the ends of the handle sections molded, inward bent extensions formed be at an angle to each other and preferably with their free ends abut each other. But you can also be connected at the ends.
  • the inwardly bent extensions preferably close an angle of 60 to 90 ° between them and are at Opening the jaws pressed against each other so that they eventually along their straight ends rest, with this elastic deformation a considerable restoring force arises which the jaws at Release the handle sections firmly pressed against each other.
  • the jaws of the clamping device according to the invention can but also open when not in use, preferred be spread apart so that they along with the also spreading apart handle sections form about an X-shape, where the leg length of the jaws is preferred is smaller than that of the handle sections.
  • This Design forms the clamping device a clamp whose Jaws by pushing the handle sections apart are pressed together, for example, in this state to seal a tube or bag.
  • the handle sections with a Spreader are connected, the handle sections are not only pushes apart to close the jaws, but prefers the closed state of the jaws upright can get. It is particularly advantageous to propose that the spreader two over weakened sections or Film hinges webs connected to the ends of the handles has at least one further weakened Section or film hinge are connected to each other, wherein the two webs in a mutually aligned arrangement Have total length that is slightly larger than the distance of the free Ends of the handles in the closed state.
  • the film hinges such a large restoring force that the webs in the inward pressed over-center position such a spreading force on the Handle sections exert that the jaws under tension stay closed.
  • the film hinges therefore do not allow a completely free mobility of the webs against each other and towards the handle sections, but take them after theirs Shift beyond dead center to a fixed position, by pushing the handle sections apart. This Position can also by stops on the handle sections and the webs must be defined.
  • a handle in Connection area of the two webs is arranged, the on both sides via a film hinge or one weakened section is connected to the ends of the webs.
  • This grip protrudes outwards and can be used as a hollow body be trained.
  • the spreading device thus consists of the sequence film hinge-bar-film hinge-grip piece-film hinge-bar-film hinge and facilitates the opening of the clamp by the webs on the Handle beyond the dead center position in the Release position are pulled. It is understood that the Clamp is not necessarily equipped with such a handle must be, rather the dead center position of the webs can also be released in that the handle sections laterally are compressed when the dimensions of the Handle sections and bars are selected accordingly.
  • Clamping devices or their half profiles in the plastic extrusion process to manufacture are also proposed.
  • the clamp individually or in several pieces connected Manufacturing by injection molding is the plastic extrusion process particularly advantageous because in this way a plastic strand of any length with the (half) profile of the Clamping device can be extruded, from which the Clamping devices after cooling in the desired one Widths cut off or broken off at predetermined breaking points and if necessary, be connected to each other. So that can Clamping devices according to the invention are particularly inexpensive not be produced as for the different widths a separate tool is required.
  • this procedure offers the option of using the Extrude to create a bias in the profile with the the jaws lie against each other.
  • This bias can be in a calibration zone, e.g. generated in a water bath in the e.g. already partially hardened handle sections spread or pressed towards each other between rollers.
  • the invention accordingly provides universal clamps and Universal staples in different widths with one and the same tool can be produced, if that is special preferred extrusion process is used.
  • Various The clamps can be pretensioned in one calibration process the extrusion, so that the brackets both to hold thin objects (like a sheet of paper) as also relatively thick objects (such as a stack of paper) can serve.
  • a softer material to be co-extruded to make the Increase slip resistance can thus be operated comfortably with one hand.
  • 1A shows a first extruded as a strand Bracket profile.
  • Lines 1 in the figure indicate that for example, a variety of parentheses in the by the Distance of lines 1 given width from the strand cut off or broken off at embossed predetermined breaking points can be, but the bracket also the entire shown width can have.
  • the hole is 2 provided with which the clip, for example on a hook can be hung :.
  • the first, designated overall by reference number 3 Embodiment of a clip according to the invention contains two Clamping jaws 4, which are hollow body profiles with a small wall thickness are formed and about the shape of a flat segment of a circle to have.
  • the jaws 4 go to their top in the figure End section in a transition area 5 in one Handle section 6, which also as a hollow profile thin wall thickness is formed.
  • the transition area 5 are the two jaws 4 with their molded handle sections 6 connected to each other by a crossbar 7.
  • the bracket 3 is symmetrical about its longitudinal central axis 8 trained, which also applies to the other embodiments applies.
  • the invention is not limited to this, but the jaws 4 can be different, for example Have profiles on the inside or outside. Depending on The inside of the jaws can be used Tooth profiles, smooth profiles, round or serrated, for example Cutouts as well as special additional cutouts for certain Have mounts.
  • FIG. 1B shows the non-actuated state of the clamp 3, in which the two jaws 4 with a through the elasticity of Transverse webs 7 caused prestress abut each other.
  • the Clamping jaws 4 are opened in that the handle sections 6, which in the initial state diverge at an acute angle, towards each other.
  • the crosspiece 7 elastically deformed, the corresponding restoring force evokes.
  • the bracket according to FIGS. 2A to 2C differs mainly by the first embodiment in that the State of Figure 2B prevailing closing force of the clip a spring clip 9 is raised, which the handle portions 10th apart.
  • the spring clip 9 suitably exists Made of metal, but it can also be a plastic clip act. Of course, other types of leaf springs or a coil spring can be used.
  • the grip sections 10 have the jaws 4 adjacent area a hollow chamber profile P and hook-shaped internally bent ends 11, which the mounting of the Serve spring clip 9.
  • Figure 2C shows the compressed state of the two Handle sections 10, which opens the jaws 4 and the Spring clip 9 compresses so that it is a large one Restoring force developed.
  • FIGS. 3A to 3C Embodiment of the clip according to the invention are Handle sections 10 in one piece with a spring device connected by the inwardly bent extensions 12 of the Handle sections 10 are formed.
  • the free ends of the Extensions 12 abut each other (reference number 13) what can be accomplished in that the extensions 12th initially continuously, i.e. interconnected extruded and cut open in a later step.
  • the extensions 12 can stay connected.
  • the Extensions 12 form an angle of approximately 60 ° with one another, without the invention being limited to this.
  • FIG. 4A to 4C show a clamp, in contrast to the brackets described above, designated 15 here Clamping jaws in the non-actuated state of the clamp according to FIG. 4B open, i.e. are spread apart.
  • the terminal 16 leaves handle and close with one hand using a handle 17 from the starting position shown in Figure 4B with spread the handle sections 10 is pressed inwards, the Handle sections 18 with clamping jaws 15 lying against one another additionally be bent outwards before the ends molded webs 19 into that shown in Figure 4C Snap into the dead center position. This will make the closed one State of the jaws 15 reliably maintained.
  • the webs 19 are via film hinges 20 with the upper ends the handle sections 18 connected, these film hinges namely the pivoting of the webs 19 from that in Figure 4B shown position in the locking position of Figure 4C allow, however due to their remaining wall thickness and so stiffness no further swiveling inwards allow, otherwise the jaws 18 open would. That means the film hinges through areas reduced wall thickness are formed, but still one have such stiffness that the state of Figure 4C is upright preserved.
  • FIG. 4A shows the angular position of the webs 19 for example, with their inner surface on corresponding Inner surfaces of the handle sections 18 impinge, creating a further pivoting is excluded. Even the handle 17, which has a hollow profile, is hinged on both sides connected to the webs 19, so that here too the required Movement is guaranteed.
  • the closed state of the clamp according to FIG. 4C can thereby be lifted that the handle 17 in the figure upwards is pulled, or there may be lateral pressure on the Handle sections 18 are exercised, whereby the webs 19 under temporary additional spreading of the handle sections 18 be shifted upwards.
  • the jaws 4 and 15 are designed so that they are in contact with each other with a short clamping surface 22 devices.
  • the invention is of course not limited to this, rather, the inner and outer surfaces of the jaws have all appropriate contours.
  • Fig. 7A on which the clamping surface 22 by co-extrusion with a softer plastic 23 will be produced.
  • the holding force of the Clamping device 3 significantly increased.
  • 5 and 6 is a particularly preferred embodiment of the extruded plastic clamping device 3 shown.
  • the two along the center line 8 symmetrical half profiles 3 'of the clamping device 3 in Extrusion process with hollow chamber profiles P, which in Direction of extrusion (see also FIG. 4A) and then, as shown on the right half, connected to each other by welding in the transition area 5, preferably in the immediate continuation of the extrusion process by so-called wedge welding, the two half-profile strands 3 ' be pressed together.
  • FIG. 6 shows a modified embodiment, at one spring device 12, similar to that in FIG. 3, is also molded.
  • the spring device 12 can by there are two individual spring legs or one continuous thigh arch. However, it can also increase the biasing force a separate bow spring 9, as in Fig. 2C, be used.
  • both of the one-piece clamping device 3 assembled half profiles 3 ' which in turn are preferably produced in the extrusion process, are mirror images of each other and thus a rigid, in Cross-section diamond-shaped joint or with cylindrical Cross-section form a ball joint.
  • FIG. 8 shows a variation of the clamping device 3, again using the to reduce material consumption
  • Hollow chamber profiles P equipped 3 clamping device Multiple terminal put together and thus expanded as desired can be. This allows multiple bags or stacks of paper be clamped together. Of course you can do more be provided as three such jaws, wherein in the here right illustration with three jaws, for example the middle jaw can also be arranged "overhead", so that this also results in clamping not only in the lower one here Area can be carried out, but also in each case upper area. As a result, the handle section is at the same time also used as a clamping jaw. Through this double benefit there are further possible uses, for example by clipping the top area to a clothesline while in the two lower clamping areas two socks or Similar items of laundry in pairs, but separately can be pinched.
  • the halves shown in FIGS. 5 to 8 also by gluing, especially in a continuous process can be connected to each other, even if the wedge welding immediately following extrusion is preferred. With all this manufacturing process is thus minimal Material expenditure achieved a clamping device 3, which despite thin walls, high rigidity and clamping force guaranteed.
  • the respective preload can be simple be varied for the different purposes, for example, by the amount of connection force in the Transitional area 5 or by the inclination of the connection point 5 'in the transition area 5, as shown in Fig. 5 in the second Position is shown from the left.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Clamps And Clips (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Claims (13)

  1. Dispositif de serrage comprenant deux mâchoires de serrage ou plus qui sont chacune prolongées par un segment de préhension et sont reliées entre elles dans la zone de transition par une entretoise, sachant que le dispositif de serrage (3) ou ses demi-profilés (3') sont fabriqués d'une seule pièce à partir de matière plastique et que les segments de préhension (6, 10, 18) sont réalisés en tant que profilés creux (P), caractérisé en ce qu'à l'état non actionné, les mâchoires de serrage (4) sont appliquées l'une contre l'autre sous l'effet d'une précontrainte créée après l'extrusion et les segments de préhension (6, 10) sont écartés l'un de l'autre.
  2. Dispositif de serrage selon la revendication 1, caractérisé en ce que les mâchoires de serrage (4, 15) sont également réalisées en tant que profilés creux (P).
  3. Dispositif de serrage selon la revendication 1 ou 2, caractérisé en ce que dans les profilés creux (P) des segments de préhension (6, 10, 18) et/ou des mâchoires de serrage (4, 15) est réalisée au moins une entretoise (18') s'étendant transversalement par rapport à la direction d'actionnement de ceux-ci, qui forme un seul tenant avec les parois de délimitation des profilés creux (P).
  4. Dispositif de serrage selon l'une des revendications 1 à 3, caractérisé en ce qu'en plus de la précontrainte, un dispositif à ressort (9, 2) maintient les segments de préhension (10) écartés de force.
  5. Dispositif de serrage selon la revendication 4, caractérisé en ce que le dispositif à ressort (12) est formé par le fait que les segments de préhension (10) comportent à leurs extrémités des prolongements (12) recourbés vers l'intérieur, qui sont disposés en angle l'un par rapport à l'autre et se touchent par leurs extrémités.
  6. Dispositif de serrage selon la revendication 1 ou 2, caractérisé en ce que les segments de préhension (18) sont reliés à un dispositif d'écartement (20, 19, 21) qui présente des barrettes (19) reliées aux extrémités des segments de préhension (18) par des segments affaiblis (20), lesquelles barrettes sont reliées entre elles par au moins un segment affaibli supplémentaire (21), sachant que les deux barrettes (19) ont une longueur totale qui est légèrement supérieure à l'écart entre les extrémités libres des segments de préhension (18) lorsque les mâchoires de serrage (15) sont appliquées l'une contre l'autre.
  7. Dispositif de serrage selon la revendication 6, caractérisé en ce qu'une partie de préhension (17) est reliée de part et d'autre aux extrémités des barrettes (19) par le biais de segments affaiblis.
  8. Dispositif de serrage selon l'une des revendications 1 à 7, caractérisé en ce que les dispositifs de serrage (3) ou leurs demi-profilés (3') sont fabriqués par extrusion de matière plastique, notamment avec des points de préhension, de serrage et/ou de liaison coextrudés (23, 23').
  9. Procédé pour fabriquer des dispositifs de serrage, sachant qu'un brin de matière plastique est extrudé en profilés creux (P) pour former une multitude de dispositifs de serrage (3) et que les dispositifs de serrage (3) sont débités du brin avec les largeurs souhaitées, caractérisé en ce qu'après l'extrusion, on crée une précontrainte dans une zone de calibrage, par laquelle les mâchoires de serrage (4, 15) des dispositifs de serrage (3) viennent s'appliquer l'une contre l'autre.
  10. Procédé selon la revendication 9, caractérisé en ce que la précontrainte est produite en écartant les segments de préhension (6, 10) des dispositifs de serrage (3).
  11. Procédé selon la revendication 9, caractérisé en ce que la précontrainte est produite en poussant l'un vers l'autre les demi-profilés (3') des dispositifs de serrage (3), notamment avec soudure dans la zone de transition (5).
  12. Procédé selon l'une des revendications 9 à 11, caractérisé en ce que le brin de matière plastique extrudé est empreint de zones de rupture.
  13. Procédé selon l'une des revendications 9 à 12, caractérisé en ce que, pour réaliser la liaison par enclenchement (30) entre les demi-profilés (3') dans la zone de transition (5), on extrude des profilés à enclenchement qui s'emboítent.
EP97950038A 1996-10-29 1997-10-29 Piece de serrage et mode de fabrication Expired - Lifetime EP0935688B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19644822 1996-10-29
DE19644822A DE19644822A1 (de) 1996-10-29 1996-10-29 Klemmeinrichtung und Verfahren zu ihrer Herstellung
PCT/EP1997/005961 WO1998018991A1 (fr) 1996-10-29 1997-10-29 Piece de serrage et mode de fabrication

Publications (2)

Publication Number Publication Date
EP0935688A1 EP0935688A1 (fr) 1999-08-18
EP0935688B1 true EP0935688B1 (fr) 2001-07-04

Family

ID=7810245

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97950038A Expired - Lifetime EP0935688B1 (fr) 1996-10-29 1997-10-29 Piece de serrage et mode de fabrication

Country Status (4)

Country Link
EP (1) EP0935688B1 (fr)
AT (1) ATE202808T1 (fr)
DE (2) DE19644822A1 (fr)
WO (1) WO1998018991A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2351231B (en) * 1999-06-22 2003-06-18 Norman Charles Cornelieus West Multi fingered hair clip
DE20010939U1 (de) * 2000-06-27 2000-09-21 Mueller Peddinghaus Reiner Stopper
US20030215601A1 (en) 2002-02-22 2003-11-20 Woodbridge Foam Corporation Attachment device
US6904646B2 (en) * 2002-09-13 2005-06-14 Kimberly-Clark Worldwide, Inc. Multi-part closure device
US6959523B2 (en) 2002-09-13 2005-11-01 Kimberly-Clark Worldwide, Inc. Process for automating the attachment of a clip to a product
US6886982B2 (en) 2002-09-13 2005-05-03 Kimberly-Clark Worldwide, Inc. Article of manufacture resulting from automated assembly of a multi-part closure device with a product
EP1454691A1 (fr) * 2003-03-04 2004-09-08 Willemin Machines S.A. Dispositif de serrage muni d'articulations élastiques
DE102004040400A1 (de) 2003-08-20 2005-04-21 Woobridge Foam Corp Mississaug Deckenbefestigungsvorrichtung
AT513241B1 (de) * 2012-08-02 2018-04-15 Franz Josef Diethart Bügelvorrichtung zum Halten eines Textilstückes für einen Waschvorgang und/oder Trocknungsvorgang
AU2013360029B2 (en) * 2012-12-14 2018-11-08 HEGS PEGS Company Pty Ltd A fastener for hanging clothes
CN114369933A (zh) * 2022-01-20 2022-04-19 雷关东 一种晾晒用夹

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB639708A (en) * 1948-07-28 1950-07-05 Blackfriars Rubber Company Ltd An improved clothes peg or the like
CH540378A (de) * 1970-03-19 1973-08-15 Hunziker Erhard Klammer
US3629912A (en) * 1970-04-13 1971-12-28 Chem Rubber Co Clamp and method of making same
IT957484B (it) * 1972-03-23 1973-10-10 Eugenio B D Procedimento per ottenere mollette fermabiancheria per estrusione di materia plastica e mollette ottenu te con tale procedimento
GB1486831A (en) * 1975-10-20 1977-09-28 Betterwear Prod Ltd Clothes pegs
ATA526879A (de) * 1979-08-01 1982-07-15 Brandauer Gerwin Dr Einstueckige klammer aus kunststoff
DE3138418C2 (de) * 1981-09-26 1983-08-04 Hans-Peter 7314 Wernau Dirschnabel Wäscheklammer
FR2540900B1 (fr) * 1983-02-14 1986-05-23 Delahousse R Pince a deux positions stables, du type pince a linge
EP0359936A1 (fr) * 1988-08-26 1990-03-28 Wella Aktiengesellschaft Pince plastique en une seule pièce
DE4416635A1 (de) * 1994-05-11 1995-11-16 Kolbe & Co Hans Klemmhalterung

Also Published As

Publication number Publication date
WO1998018991A1 (fr) 1998-05-07
ATE202808T1 (de) 2001-07-15
DE59703972D1 (de) 2001-08-09
DE19644822A1 (de) 1998-05-14
EP0935688A1 (fr) 1999-08-18

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