EP1800558B1 - Zip fastener - Google Patents

Zip fastener Download PDF

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Publication number
EP1800558B1
EP1800558B1 EP20050450203 EP05450203A EP1800558B1 EP 1800558 B1 EP1800558 B1 EP 1800558B1 EP 20050450203 EP20050450203 EP 20050450203 EP 05450203 A EP05450203 A EP 05450203A EP 1800558 B1 EP1800558 B1 EP 1800558B1
Authority
EP
Grant status
Grant
Patent type
Prior art keywords
zip fastener
support tapes
shape
slider body
support
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 - Fee Related
Application number
EP20050450203
Other languages
German (de)
French (fr)
Other versions
EP1800558A1 (en )
Inventor
Wangbunyen Tanakorn
Original Assignee
Wangbunyen Tanakorn
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
Grant date

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Classifications

    • AHUMAN NECESSITIES
    • A44HABERDASHERY; JEWELLERY
    • A44BBUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00Slide fasteners
    • A44B19/24Details
    • A44B19/34Stringer tapes; Flaps secured to stringers for covering the interlocking members

Description

    FIELD OF THE INVENTION
  • The present invention relates to a zip fastener comprising two support tapes, two rows of coupling elements, each row attached to a respective support tape, and at least one slider body having a puller attached to the said slider body, which can be formed by a thermoforming method of using heat and pressure to transform a thermoplastic substrate into a zip fastener.
  • BACKGROUND OF THE INVENTION
  • Zip fasteners are commonly used for joining together edges of two pieces of material. They may be used to provide a closable slit in a unit or may be used to join two separate pieces of material. They are widely used in the clothing industry as well as other industries, with almost any type of material.
  • A conventional zip fastener is comprised of two support tapes; two rows of coupling elements, each row being attached to its own support tape; and a slider element comprised of a puller attachment used to open or close the zip fastener.
  • Typically, when a conventional zip fastener is closed, there are slits between each coupling element. In addition, there is always a small opening at the distal end of the zip fastener where the width of the slider prevents the coupling elements at the distal end from locking together. When a conventional zip fastener is exposed to water, the water tends to collect around the zip fastener permitting water to seep through the coupling elements or the opening at the distal end of the zip fastener.
  • In addition, in a conventional zip fastener, when the slider unites the coupling elements, the puller and top part of the slider body are clearly visible. Unless the zip fastener is designed as a decoration for an article, the zip fastener tends to disrupt the smoothness of the article's surface making it unpleasing to the eye.
  • A tunnel, sometimes referred to as a garage, is created in an attempt to cover the opening at the distal end of the zip fastener as well as to hide the puller and the slider body. However, creating a tunnel or a garage is time consuming and/or undesirable in some cases and does not effectively reduce the problem of water seeping through the coupling elements. Therefore, there is a need for an improved zip fastener that further reduces the aforementioned problems and disadvantages of the conventional zip fastener.
  • US 3,648,293 discloses a positioning guide and fastener combination for garments and the like, wherein the fastener is covered by folds of the support tapes.
  • EP 1132 311 A2 describes a reclosable package with a zipper closure, which in a storage configuration has the zipper surrounded by a tamper-evident structure forming a pocket for enveloping at least a portion of the zipper closure. Similar reclosable bags are described in US 2003/0103690 A1 and US 2002/0015537 A1 .
  • The objective of this invention is to provide a zip fastener with improved characteristics capable of reducing the problem of water seeping through the coupling elements as well as through the opening located at the distal end of the zip fastener.
  • Another objective of the present invention is to provide a zip fastener that, once attached to the article, is less likely to disrupt the smoothness of the article and hides from view the unsightly puller and slider body without using a tunnel or garage.
  • These objectives are met by a zip fastener according to one of the independent claims.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • The present invention will be better understood with reference to the detailed description and to the drawings, in which:
  • Figure 1
    shows a cross sectional view of one embodiment of the zip fastener according to the present invention inside a mould.
    Figure 2
    shows a perspective view of the zip fastener of Figure 1 inside the mould.
    Figure 3
    shows a cross sectional view of one embodiment of the zip fastener shaped into an inverted U-shape.
    Figure 4
    shows a perspective view of the zip fastener of Figure 3.
    Figure 5
    shows a cross sectional view of one embodiment of the zip fastener shaped into a U-shape.
    Figure 6
    shows a perspective view of the zip fastener of Figure 5.
    Figure 7 a
    shows cross sectional view of one embodiment of the zip fastener shaped into an expanded V-shape.
    Figure 8
    shows a perspective view of the zip fastener of Figure 7.
    Figure 9
    shows a cross sectional view of one embodiment of the zip fastener shaped into an inverted and expanded V-shape.
    Figure 10
    shows a perspective view of the zip fastener of Figure 9.
    Figure 11
    shows a cross sectional view of one embodiment of the zip fastener shaped into a curve shape.
    Figure 12
    shows a perspective view of the zip fastener of Figure 11.
    Figure 13
    shows a cross sectional view of one embodiment of the zip fastener shaped into an inverted curve shape.
    Figure 14
    shows a perspective view of the zip fastener of Figure 13.
    Figure 15
    shows a side view of one embodiment of the zip fastener with one end curved downward and said curve accommodating one slider body.
    Figure 16
    shows a top view of the zip fastener of Figure 15.
    Figure 17
    shows a perspective view of the zip fastener of Figure 15.
    Figure 18
    shows a side view of one embodiment of the zip fastener with one end curved downward and said curve accommodating two slider bodies.
    Figure 19
    shows a top view of the zip fastener of Figure 18.
    Figure 20
    shows a perspective view of the zip fastener of Figure 18.
    Figure 21
    shows a side view of one embodiment of the zip fastener with both ends curved downward and each curve accommodating one slider body.
    Figure 22
    shows a top view of the zip fastener of Figure 21.
    Figure 23
    shows a perspective view of the zip fastener of Figure 21.
    DISCLOSURE OF PREFERED EMBODIMENT OF THE INVENTION
  • It is to be understood that the present disclosure of the zip fastener described herein is a perfect exemplification of the principles of the invention and does not limit the invention to the illustrated embodiments.
  • A zip fastener (30) according to this invention comprises first and second support tapes (35), each of which has one row of coupling elements (40) each row being attached to each support tape (35), and a slider body (45) including a puller (50). The support tapes (35), coupling elements (40), slider body (45) and puller (50) may be of any standard shape and structure. However, the novelty of the zip fastener (30) according to this invention lies in the shapes and structures of the two support tapes (35).
  • The support tapes (35) are thermo-plasticized and portions of the first and second support tapes (35) are shaped into a U-shape, V-shape, inverted U-shape, expanded V-shape, or curve-shape by using a mold (55) and thermoforming. Shaping of the support tapes (35) through molding causes the coupling element (40) to situate either between or above the shaped support tapes (35).
  • According to this invention, the thermo plasticized first and second support tapes (35) having the coupling elements (40) engaged with the opposed row, to which the slider (45) and the puller (50) have not yet been attached are placed between two halves of the mold (55) having the desired configuration as shown in Figure 2 of which the mould is a U-shape. The strip of thermoplastic support tapes (35) having the coupling element (40) attached inside the mold (55) is then heated to a temperature between 80-180°C to shape or transform the support tapes (35) into the configuration corresponding to the mold. While still inside the mold (55), the strips of support tapes (35) are left to cool while still under pressure so that the desired configuration is maintained. Once cooled, the shaped support tapes (35) are removed from the mold (55).
  • Figure 4 shows the second embodiment of the zip fastener (30) according to this invention wherein the first and second support tapes (35) are shaped to form an inverted U-shape. As shown, one end portion (60) of the first and second support tapes (35) of which the coupling element (40) sits on the top of the inverted U-shape, the middle portion (65) of the support tapes (35) is bent downward and the free end portion (70) of the support tapes (35) is bent outward to be on a parallel plane with the end portion (60) with the attached coupling element (40). As a result, the middle portion (65) and the free end portions (70) of the support tapes (35) in turn act as a support for the coupling elements (40) sitting on the top of the inverted U-shape creating a zip fastener (30) with a coupling element (40) on the support tapes (35) higher than the normally flat zip fastener.
  • Figure 6 shows another embodiment of the zip fastener (30) according to this invention wherein the first and second support tapes (35) are shaped to form a U-shape. In this embodiment, using the coupling element (40) as a reference point, the end portion (60) of the first and second support tapes (35) with the attached coupling element (40) act as a base. The middle portion (65) of support tapes (35) is vertically lifted up and the free end portion (70) of the first and second support tapes (35) is horizontally bent to a parallel plane with the end portion (60) of which the coupling element attached. Thereby, the U-shaped zip fastener (30) with the coupling element (40) inside the U-shape is obtained.
  • Further examples of additional embodiments of the zip fastener according to this invention are as shown in Figure 8 and Figure 10 wherein the zip fastener (30) is shaped into an expanded V- shape and inverted V-shape, respectively. Figure 12 and Figure 14 show further embodiments of the zip fastener (30) according to the present invention. In these embodiments, portions of the first and second support tapes (35), including the end portion (60) of which the coupling element (40) is attached and the middle portion (65), are merged and are shaped into a curve. The coupling element (40) may be on the top of the curve or inside the curve similar to the U-shape.
  • In yet another embodiment of the zip fastener (30) according to the present invention, as shown in Figure 15 and Figure 18 the support tapes (35) are flat and one end or both ends of the support tapes (35) are curved downward. This is also obtained by thermoforming using the mold (55) under controlled temperature and pressure. When the slider (45) and the puller (50) are assembled to the strip of the support tapes (35) with the coupling element (40) attached, the curved portion (75) of the support tapes (35) will be where the slider body (45) rests in the closed position of the zip fastener (30). The curved portion (75) of the zip fastener (30) accommodates at least one slider body (45) as shown in Figure 17. After being attached to the article, the curved portion (75) lies beneath the surface of the article. As a result, the slider body (45) as well as the puller (50) is hidden from view creating a smoother look on the surface of the article. As the slider body (45) is hidden under the surface of the article, the opening, caused when the width of the slider body obstructs the coupling elements at the distal end from engaging with each other will also be protected by the article's surface. This eliminates the need for the tunnel or garage while effectively reducing the chance of water passing through the opening.
  • Once the zip fastener (30) according to the present invention, particularly, the embodiment where the coupling element (40) sits high on the first and second support tapes (35) such as the inverted U-shape, inverted expanded V-shape, is assembled to the article and is subsequently exposed to water, the water is less likely to seep through the coupling element (40). This is because the water tends to flow away from the coupling element (40) area onto the surface adjacent to the zip fastener (30) rather than pooling as in the conventional zip fastener. This is particularly suitable for use with watertight/water-proofed articles. For the embodiment of which portions of the first and second support tapes (35) were lifted up, such as in the U-shape, expanded V-shape, and curve shape the coupling element (40) rests between the lifted portions of the first and second support tapes (35). Once the slider body (45) is assembled to form a zip fastener (30), the slider body (45) is housed within the lifted up portions of the first and second support tapes (35), creating a smoother look on the article's surface as the slider body (45) and the puller (50) are hidden from view, or if so desired, the entire zip fastener (30) can be hidden resulting in an even smoother look on the article's surface.
  • As illustrated in the various embodiments, the zip fastener (30) according to this invention may be shaped into any desired configuration for various purposes and can be used with various types of material including clothing articles, canvas, etc.
  • Other and further arrangements, variations, and embodiments for the present invention will be apparent from the forgoing disclosure and teaching and no undue limitations are to be implied there from.

Claims (5)

  1. A zip fastener comprising two support tapes (35), two rows of coupling elements (40), each row attached to a respective support tape, and at least one slider body (45) having a puller (50) attached to the said slider body, characterized in that the two support tapes comprise middle portions (65) bending upward from inner portions (60) of the support tapes and free-end portions (70) running on a plane parallel with said inner portions (60), to cause the two rows of coupling elements to rest between the middle portions (65) of the two support tapes.
  2. A zip fastener comprising two support tapes (35), two rows of coupling elements (40), each row attached to a respective support tape, and at least one slider body (45) having a puller (50) attached to the said slider body, characterized in that the two support tapes comprise middle portions (65) bending downward from inner portions (60) of the support tapes and free-end portions (70) running on a plane parallel with said inner portions (60), to cause the two rows of coupling elements to rest above the middle portions of the support tapes.
  3. The zip fastener according to claim 1 or claim 2 wherein the middle and inner portions of the two support tapes are shaped according to a shape chosen from the following groups of shapes: U-shape, inverted U-shape, curve shape, inverted curve shape, expanded V-shape, and inverted expanded V-shape.
  4. The zip fastener according to any one of claims 1 to 3 wherein at least one end of the two support tapes is curved downward, and in a closed position the curve accommodates at least one slider body.
  5. A zip fastener comprising two support tapes (35), two rows of coupling elements (40), each row attached to a respective support tape, and at least one slider body (45) having a puller (50) assembled to the slider body, characterized in that the two support tapes comprise a flat segment while at least one end of the two support tapes is curved downward, and in a closed position the curve accommodates at least one slider body (45).
EP20050450203 2005-12-20 2005-12-20 Zip fastener Expired - Fee Related EP1800558B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20050450203 EP1800558B1 (en) 2005-12-20 2005-12-20 Zip fastener

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200560011652 DE602005011652D1 (en) 2005-12-20 2005-12-20 Zipper
EP20050450203 EP1800558B1 (en) 2005-12-20 2005-12-20 Zip fastener

Publications (2)

Publication Number Publication Date
EP1800558A1 true EP1800558A1 (en) 2007-06-27
EP1800558B1 true EP1800558B1 (en) 2008-12-10

Family

ID=36579252

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050450203 Expired - Fee Related EP1800558B1 (en) 2005-12-20 2005-12-20 Zip fastener

Country Status (2)

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EP (1) EP1800558B1 (en)
DE (1) DE602005011652D1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3648293A (en) * 1970-02-06 1972-03-14 Vera E Del Vecchio Fastener and positioning guide therefor
US6360513B1 (en) * 1999-05-11 2002-03-26 Sargento Foods Inc. Resealable bag for filling with food product(s) and method
EP1132311A2 (en) * 2000-02-28 2001-09-12 Reynolds Consumer Products, Inc. Reclosable, package having zipper closure, slider device and tampers-evident structure and methods
US20020094137A1 (en) * 2001-01-16 2002-07-18 Schneider John H. Tamper evident resealable packaging

Also Published As

Publication number Publication date Type
EP1800558A1 (en) 2007-06-27 application
DE602005011652D1 (en) 2009-01-22 grant

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