WO2000072717A1 - Fluidtight zip fastener - Google Patents

Fluidtight zip fastener Download PDF

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Publication number
WO2000072717A1
WO2000072717A1 PCT/EP2000/004785 EP0004785W WO0072717A1 WO 2000072717 A1 WO2000072717 A1 WO 2000072717A1 EP 0004785 W EP0004785 W EP 0004785W WO 0072717 A1 WO0072717 A1 WO 0072717A1
Authority
WO
WIPO (PCT)
Prior art keywords
zip fastener
carrying
coupling member
tapes
borders
Prior art date
Application number
PCT/EP2000/004785
Other languages
French (fr)
Inventor
Horst Gotthard Neugebauer
Original Assignee
Ykk Corporation
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 Ykk Corporation filed Critical Ykk Corporation
Publication of WO2000072717A1 publication Critical patent/WO2000072717A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/24—Details
    • A44B19/32—Means for making slide fasteners gas or watertight
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/24—Details
    • A44B19/26—Sliders
    • 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.
    • Y10T24/25—Zipper or required component thereof
    • Y10T24/2514—Zipper or required component thereof with distinct member for sealing surfaces
    • 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.
    • Y10T24/25—Zipper or required component thereof
    • Y10T24/2518—Zipper or required component thereof having coiled or bent continuous wire interlocking surface
    • Y10T24/252—Zipper or required component thereof having coiled or bent continuous wire interlocking surface with stringer tape interwoven or knitted therewith
    • 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.
    • Y10T24/25—Zipper or required component thereof
    • Y10T24/2539—Interlocking surface constructed from plural elements in series

Definitions

  • the invention relates to a fluidtight zip fastener, having a pair of fluid- tight zip fastener carrying tapes carrying the zip fastener members and whose borders engage on one another, each carrying tape comprising a base tape with a soft covering layer of synthetic rubber or the like, which covers at least one surface of the base tape in question, a pair of continuous coupling member rows being sewn to the zip fastener carrying tapes in a spatially offset position transversely to the longitudinal edges of the zip fastener carrying tapes in such a way that the facing borders of the soft covering layers are in contact with one another along a longitudinal plane, which intersects the zip fastener at a central axis thereof and which is at right angles to the principal plane of the zip fastener, the facing borders of the zip fastener carrying tapes projecting over the longitudinal plane in question if the coupling member rows are disengaged.
  • the soft covering layers applied to the sides of the particular base tapes remote from the coupling member rows can project over the coupling member-carrying marginal portions thereof which are folded over rearwards, so that when the coupling members are in the engaged position they come into mutual pressure contact with their faces located in the zip fastener principal plane and thus ensure the sealing action.
  • this is a zip fastener construction with expensive, metallic individual coupling members, it has proved disadvantageous in connection therewith that following a certain use period the sealing actio ' n does not remain adequate.
  • the problem of the invention is to so further develop the zip fastener of the aforementioned type that, despite a simpler construction, even during a prolonged period of use, there is a completely satisfactory sealing action both against liquids and gases, even when pressure is applied.
  • the fluidtight zip fastener which is essentially characterized in that the facing borders of the zip fastener carrying tapes, if the coupling member rows are disengaged, project to such an extent over the longitudinal plane in question that said borders when the coupling member ' rows are in engagement are bent away from that side carrying the coupling member rows and diverge in such a way that they extend roughly at right angles to the principal plane of the zip fastener, the soft covering layers of the facing borders of the two zip fastener carrying straps, which in each case project over the base tape, engage on one another under pressure action and thus ensure the fluid- tightness condition.
  • the concept of synthetic rubber or the like ensuring fluidtightness obviously includes all elastomers, including thermoplastics which are active in the case of pressure differences.
  • An increased sealing action in the closed zip fastener state can be achieved in a particularly simple manner if the portions of the soft covering layers in the vicinity of the facing borders are kept thicker than in the remaining areas of the zip fastener carrying tapes, so that the compressive forces acting against one another in the coupled state of the coupling member rows are increased.
  • an increased soft material accumulation which in the round- terminating area ensures an overpressing, so that this counteracts the otherwise feared V-shaped expanding of the edge zones of the carrying tape borders.
  • the soft covering layers of the two zip fastener carrying tapes have a thickness equal to or smaller than the thickness of the two base tapes.
  • the thickness of the base tapes is approximately 0.6 mm and the total thickness of the zip fastener carrying tapes approximately 1 mm.
  • the outer faces of the soft covering layers extending transversely to the zip fastener principal plane and projecting over the end of the associated base tape can be made smooth.
  • the profiling is formed by successive elevations and depressions of the outer faces extending parallel to the coupling member rows.
  • the invention is also directed at a special construction of the zip fastener slider, which in the conventional manner has a lower plate and an upper plate, as well as a slider wedge interconnecting the two plates.
  • a projecting guide border extending between the upper and lower plates and which on either side of the slider wedge separates the first two chambers receiving the coupling member rows from the two second chambers receiving the facing borders of the zip fastener carrying tapes.
  • the outer edge of the guide border appropriately has a substantially constant spacing from the guide border-carrying slider wedge.
  • Fig. 1 A diagrammatic front view of a fluidtight zip fastener in the closed state.
  • Fig. 2 A diagrammatic front view of the zip fastener in fig. 1 in the state of opening and closing by a slider.
  • Fig. 3 A side view of the slider used.
  • Fig. 4 A plan view of the slider according to fig. 3, partly in section corresponding to line IV-IV in fig. 3.
  • the zip fastener 1 illustrated in the drawings in conventional manner comprises two zip fastener carrying tapes 2, 3 with zip fastener member rows 4, 5 sewn thereto.
  • Each of the carrying tapes 2, 3 comprises a base tape 6 made from a woven fabric, e.g. from polyester or some other synthetic material. However, it is also possible for the base tape 6 to be formed from cotton threads.
  • each base tape 6 On its side remote from the coupling member rows, each base tape 6 is provided with a synthetic rubber, soft covering layer 7. This term in general manner covers elastomers, but thermoplastics can also be used for coating the base tape 6.
  • the covering layer 7 projects over the end 8 of the base tape 6 and completely covers the same. Even in the case of prolonged use, this ensures that the base tape 6 cannot fray at this point.
  • the continuous coupling member rows 4, 5 are sewn to the zip fastener carrying tapes 2, 3 in a spaced offset position transversely to the longitudinal edges of said tapes, in such a way that the facing borders 9 of the soft covering layers 7 are in contact with one another along a longitudinal plane.
  • the latter intersects the zip fastener at a central axis thereof and runs at right angles to the zip fastener principal plane.
  • the facing borders 9 of the zip fastener carrying tapes 2, 3 project over the longitudinal plane in question, if the coupling member rows 4, 5 are disengaged and namely project over said longitudinal plane to such an extent that said borders when the coupling member rows 4, 5 are in engagement are bent away from the side carrying the said rows and diverge in such a way that they extend roughly at right angles to the zip fastener principal plane.
  • the portions of the soft covering layers 7 are kept thicker in the vicinity of the facing borders than in the remaining areas of the zip fastener carrying tapes.
  • the increased mass of the material of the soft covering layers 7 in the expansion area and therefore curvature area directly upstream of the end of the base tape 6 ensure an overpressing of the engaging borders 9 of the carrying tapes and consequently ensure that there is no V-shaped expansion in this area.
  • the facing borders 9 of the zip fastener carrying tapes 2, 3, which when the coupling member rows 4, 5 are disengaged project over the longitudinal plane in question, are appropriately so preshaped that in a plane inclined with respect to the zip fastener principal plane they form an acute angle with the principal plane.
  • the acute angle is, as a function of the hardness of the material forming the soft covering layer 7, approximately 20 to 40 * .
  • the soft covering layers 7 of the two zip fastener carrying tapes 2, 3 have a thickness equal to or somewhat smaller than the thickness of the two base tapes 6.
  • the thickness of the base tapes 6 is approximately 0.6 mm and the total thickness of the zip fastener carrying tapes 2, 3 is approximately 1 mm.
  • the outer faces or borders 9 of the soft covering layers 7 projecting over the end of the associated base tape 6 and extending transversely to the zip fastener principal plane are appropriately provided with a roughening or profiling.
  • the latter can be formed by successive elevations and depressions of the outer faces extending parallel to the coupling member rows , 5.
  • the zip fastener slider 10 engaging the zip fastener carrying tapes 2, 3 and passing same in the case of longitudinal sliding into the open or closed position, shown in figs. 2 to 4, comprises a lower plate 11 and an upper plate 12, as well as a slider wedge 13 interconnecting the two plates.
  • a projecting guide border 14 extending roughly parallel between the upper plate 12 and lower plate 11 is provided.
  • said guide border 14 separates the first two chambers 15 and 16 receiving the coupling member rows 4, 5 from the two second chambers 17, 18 receiving the facing borders 9 of the zip fastener carrying tapes 2, 3.
  • the outer edge 19 of the guide border 14 has a substantially constant spacing from the guide border-carrying slider wedge 13.

Abstract

The fluidtight zip fastener comprises a pair of fluidtight zip fastener carrying tapes (2, 3) carrying the zip fastener coupling member rows (4, 5) and which are in each case formed by a base tape (6) with a soft, synthetic rubber or similar covering layer (7). They engage on one another by their borders. A pair of continuous coupling member rows (4, 5) is sewn to the zip fastener carrying tapes (2, 3) in a spaced offset position transversely to the longitudinal edges of said carrying tapes in such a way that the facing borders (9) of the soft covering layers (7) are in contact with one another along a longitudinal plane, which intersects the zip fastener at a central axis thereof and runs at right angles to the zip fastener principal plane. The facing borders (9) of the zip fastener carrying tapes project over said longitudinal plane, when the coupling member rows (4, 5) are disengaged and namely to such an extent that said borders (9), when the coupling member rows (4, 5) are engaged, are bent away from the side carrying the coupling member rows (4, 5). They diverge in such a way that they extend roughly at right angles to the zip fastener principal plane. The soft covering layers (7) of the facing borders (9) of the two zip fastener carrying tapes (2, 3) engage on one another under pressure action and thus ensure the fluidtightness condition.

Description

FLUIDTIGHT ZIP FASTENER
The invention relates to a fluidtight zip fastener, having a pair of fluid- tight zip fastener carrying tapes carrying the zip fastener members and whose borders engage on one another, each carrying tape comprising a base tape with a soft covering layer of synthetic rubber or the like, which covers at least one surface of the base tape in question, a pair of continuous coupling member rows being sewn to the zip fastener carrying tapes in a spatially offset position transversely to the longitudinal edges of the zip fastener carrying tapes in such a way that the facing borders of the soft covering layers are in contact with one another along a longitudinal plane, which intersects the zip fastener at a central axis thereof and which is at right angles to the principal plane of the zip fastener, the facing borders of the zip fastener carrying tapes projecting over the longitudinal plane in question if the coupling member rows are disengaged.
In a known watertight zip fastener of this type (US patent 4 724 586), the coupling member rows are sewn onto the side of the particular carrying tape provided with the soft covering layer and the portions of the two carrying tapes projecting over the coupling member rows are folded round by in each case 180* towards the side remote from said rows, accompanied by a protective covering of the sewing yarns of the coupling member rows. Even in the latter position, the facing borders of the zip fastener carrying tapes, in the vicinity of their rearwardly deflected outside, project over the coupling member rows in the case When the latter are disengaged, so that on passing into the engagement position they undergo a compression in the zip fastener principal plane and thereby bring about the sealing action. It has been found that not only the sealing, particularly when a pressure is applied to the sealing area, particularly if gastightness is desired, leaves much to be desired, but also the manufacture of such a zip fastener is complicated, time-consuming and therefore expensive due to the different successive manufacturing steps.
Mention is also made of another known watertight zip fastener having a different construction (US patent 3 668 745), in which in place of continuous, spiral coupling member rows, which are in each case sewn to the associated carrying tape, on the outer border of the base tape of the carrying tape, use is made of astride-fixed, wound metallic coupling members in such a way that despite the bending over of the base tape border by 180* in the rearward direction a firm hold is still obtained. In addition, the soft covering layers applied to the sides of the particular base tapes remote from the coupling member rows can project over the coupling member-carrying marginal portions thereof which are folded over rearwards, so that when the coupling members are in the engaged position they come into mutual pressure contact with their faces located in the zip fastener principal plane and thus ensure the sealing action. Quite apart from the fact that this is a zip fastener construction with expensive, metallic individual coupling members, it has proved disadvantageous in connection therewith that following a certain use period the sealing actio'n does not remain adequate.
The problem of the invention is to so further develop the zip fastener of the aforementioned type that, despite a simpler construction, even during a prolonged period of use, there is a completely satisfactory sealing action both against liquids and gases, even when pressure is applied.
This problem is solved by the fluidtight zip fastener according to the invention, which is essentially characterized in that the facing borders of the zip fastener carrying tapes, if the coupling member rows are disengaged, project to such an extent over the longitudinal plane in question that said borders when the coupling member' rows are in engagement are bent away from that side carrying the coupling member rows and diverge in such a way that they extend roughly at right angles to the principal plane of the zip fastener, the soft covering layers of the facing borders of the two zip fastener carrying straps, which in each case project over the base tape, engage on one another under pressure action and thus ensure the fluid- tightness condition. The concept of synthetic rubber or the like ensuring fluidtightness obviously includes all elastomers, including thermoplastics which are active in the case of pressure differences.
An increased sealing action in the closed zip fastener state can be achieved in a particularly simple manner if the portions of the soft covering layers in the vicinity of the facing borders are kept thicker than in the remaining areas of the zip fastener carrying tapes, so that the compressive forces acting against one another in the coupled state of the coupling member rows are increased. Immediately upstream of the base tape end, whose faces are enveloped by the soft covering material layer projecting over the same and are consequently protected against fraying, there is in this way an increased soft material accumulation, which in the round- terminating area ensures an overpressing, so that this counteracts the otherwise feared V-shaped expanding of the edge zones of the carrying tape borders.
The handling of the zip fastener, particularly during the closing process, is aided in a further advantageous embodiment of the invention in that the facing borders of the zip fastener carrying tapes which when the coupling member rows are disengaged project over the longitudinal plane in question, are so preshaped that they terminate in a plane inclined with respect to the zip fastener principal plane and form an acute angle with the latter. An angle of approximately 20 to 40* has proved highly appropriate. The choice of the suitable angle is naturally dependent on the hardness of the material of the covering layers.
An important parameter for a satisfactory sealing function is also the dimensioning of the individual zip fastener layers. It has proved very advantageous if the soft covering layers of the two zip fastener carrying tapes have a thickness equal to or smaller than the thickness of the two base tapes. Appropriately the thickness of the base tapes is approximately 0.6 mm and the total thickness of the zip fastener carrying tapes approximately 1 mm.
The outer faces of the soft covering layers extending transversely to the zip fastener principal plane and projecting over the end of the associated base tape can be made smooth. However, it has been found that it is appropriate to provide said areas of the soft covering layers of one carrying tape, which come into contact with corresponding outer faces of the covering layers of the other carrying tape, with in each case a roughening or a profiling. It has proved advantageous if the profiling is formed by successive elevations and depressions of the outer faces extending parallel to the coupling member rows. The invention is also directed at a special construction of the zip fastener slider, which in the conventional manner has a lower plate and an upper plate, as well as a slider wedge interconnecting the two plates. According to the invention, in the central area of the slider wedge is formed a projecting guide border extending between the upper and lower plates and which on either side of the slider wedge separates the first two chambers receiving the coupling member rows from the two second chambers receiving the facing borders of the zip fastener carrying tapes.
The outer edge of the guide border appropriately has a substantially constant spacing from the guide border-carrying slider wedge.
Further details, advantages and features of the invention can be gathered from the following description relative to the attached drawings, wherein show:
Fig. 1 A diagrammatic front view of a fluidtight zip fastener in the closed state.
Fig. 2 A diagrammatic front view of the zip fastener in fig. 1 in the state of opening and closing by a slider.
Fig. 3 A side view of the slider used.
Fig. 4 A plan view of the slider according to fig. 3, partly in section corresponding to line IV-IV in fig. 3.
The zip fastener 1 illustrated in the drawings in conventional manner comprises two zip fastener carrying tapes 2, 3 with zip fastener member rows 4, 5 sewn thereto. Each of the carrying tapes 2, 3 comprises a base tape 6 made from a woven fabric, e.g. from polyester or some other synthetic material. However, it is also possible for the base tape 6 to be formed from cotton threads.
On its side remote from the coupling member rows, each base tape 6 is provided with a synthetic rubber, soft covering layer 7. This term in general manner covers elastomers, but thermoplastics can also be used for coating the base tape 6.
As is apparent from the drawings, the covering layer 7 projects over the end 8 of the base tape 6 and completely covers the same. Even in the case of prolonged use, this ensures that the base tape 6 cannot fray at this point.
It can also be seen that the continuous coupling member rows 4, 5 are sewn to the zip fastener carrying tapes 2, 3 in a spaced offset position transversely to the longitudinal edges of said tapes, in such a way that the facing borders 9 of the soft covering layers 7 are in contact with one another along a longitudinal plane. The latter intersects the zip fastener at a central axis thereof and runs at right angles to the zip fastener principal plane. The facing borders 9 of the zip fastener carrying tapes 2, 3 project over the longitudinal plane in question, if the coupling member rows 4, 5 are disengaged and namely project over said longitudinal plane to such an extent that said borders when the coupling member rows 4, 5 are in engagement are bent away from the side carrying the said rows and diverge in such a way that they extend roughly at right angles to the zip fastener principal plane. The soft covering layers 7 of the facing borders
9 of the two zip fastener carrying tapes 2, 3, which in each case project f over the base tape 6, engage under pressure action on one another and consequently ensure the fluidtightness condition.
As can in particular be gathered from fig. 1, the portions of the soft covering layers 7 are kept thicker in the vicinity of the facing borders than in the remaining areas of the zip fastener carrying tapes. Thus, there is an increase in the compressive forces acting against one another when the coupling member rows 4, 5 are in the coupled state. The increased mass of the material of the soft covering layers 7 in the expansion area and therefore curvature area directly upstream of the end of the base tape 6 ensure an overpressing of the engaging borders 9 of the carrying tapes and consequently ensure that there is no V-shaped expansion in this area. The facing borders 9 of the zip fastener carrying tapes 2, 3, which when the coupling member rows 4, 5 are disengaged project over the longitudinal plane in question, are appropriately so preshaped that in a plane inclined with respect to the zip fastener principal plane they form an acute angle with the principal plane. The acute angle is, as a function of the hardness of the material forming the soft covering layer 7, approximately 20 to 40*.
The soft covering layers 7 of the two zip fastener carrying tapes 2, 3 have a thickness equal to or somewhat smaller than the thickness of the two base tapes 6. In practice, the thickness of the base tapes 6 is approximately 0.6 mm and the total thickness of the zip fastener carrying tapes 2, 3 is approximately 1 mm.
The outer faces or borders 9 of the soft covering layers 7 projecting over the end of the associated base tape 6 and extending transversely to the zip fastener principal plane are appropriately provided with a roughening or profiling. The latter can be formed by successive elevations and depressions of the outer faces extending parallel to the coupling member rows , 5.
The zip fastener slider 10 engaging the zip fastener carrying tapes 2, 3 and passing same in the case of longitudinal sliding into the open or closed position, shown in figs. 2 to 4, comprises a lower plate 11 and an upper plate 12, as well as a slider wedge 13 interconnecting the two plates. In the central area of the slider edge 13, a projecting guide border 14 extending roughly parallel between the upper plate 12 and lower plate 11 is provided. On either side of the slider wedge 13, said guide border 14 separates the first two chambers 15 and 16 receiving the coupling member rows 4, 5 from the two second chambers 17, 18 receiving the facing borders 9 of the zip fastener carrying tapes 2, 3. As can in particular be gathered from fig. 4, the outer edge 19 of the guide border 14 has a substantially constant spacing from the guide border-carrying slider wedge 13.

Claims

1. Fluidtight zip fastener, having a pair of fluidtight zip fastener carrying tapes (2, 3) carrying the zip fastener members (4, 5) and whose borders engage on one another, each carrying tape comprising a base tape (6) with a soft covering layer (7) of synthetic rubber or the like, which covers at least one surface of the base tape in question, a pair of continuous coupling member rows (4, 5) being sewn to the zip fastener carrying tapes (2, 3) in a spatially offset position transversely to the longitudinal edges of the zip fastener carrying tapes in such a way that the facing borders (9) of the soft covering layers are in contact with one another along a longitudinal plane, which intersects the zip fastener at a central axis thereof and which is at right angles to the principal plane of the zip fastener, the facing borders (9) of the zip fastener carrying tapes projecting over the longitudinal plane in question if the coupling member rows
(4, 5) are disengaged, characterized in that the facing borders (9) of the zip fastener carrying tapes (2, 3), if the coupling member rows (4, 5) are disengaged, project to such an extent over the longitudinal plane in question that said borders (9) when the coupling member rows (4, 5) are in engagement are bent away from that side carrying the coupling member rows (4, 5) and diverge in such a way that they extend roughly at right angles to the principal plane of the zip fastener, the soft covering layers (7) of the facing borders (9) of the two zip fastener carrying straps (2, 3), which in each case project over the base tape (6), engage on one another under pressure action and thus ensure the fluidtightness condition.
2. Zip fastener according to claim 1, characterized in that the portions of the soft covering layers (7), in the vicinity of the facing borders (9), are thicker than in the remaining areas of the zip fastener carrying tapes, so that the compressive forces acting against one another in the coupled state of the coupling member rows (4, 5) are increased.
3. Zip fastener according to claim 1 or 2, characterized in that the facing borders (9) of the zip fastener carrying straps (2, 3), which project over the longitudinal plane in question when the coupling member rows
(4, 5) are disengaged, are so preshaped that they terminate in a plane inclined with respect to the zip fastener principal plane and forming an acute angle with the latter.
4. Zip fastener according to claim 2, characterized by an angle of in each case approximately 20 to 40*.
5. Zip fastener according to one of the claims 1 to 4, characterized in that the soft covering layers (7) of the two zip fastener carrying tapes (2, 3) have a thickness equal to or somewhat smaller than the thickness of the two base tapes (6).
6. Zip fastener according to claim 5, characterized in that the thickness of the base tapes (6) is roughly 0.6 mm and the total thickness of the zip fastener carrying tapes (2, 3) is approximately 1 mm.
7. Zip fastener according to one of the claims 1 to 6, characterized in that the outer faces (9), extending transversely to the zip fastener principal plane, of the soft covering layers (7) projecting over the face (8) of the associated base tape (6), are provided with a roughening or profiling.
8. Zip fastener according to claim 7, characterized in that the profiling is formed by successive elevations and depressions of the outer faces extending parallel to the coupling member rows.
9. Zip fastener according to one of the claims 1 to 8, having a zip fastener slider (10) engaging the zip fastener carrying tapes (2, 3) and transferring same into the open or closed position in the case of longitudinal sliding and which comprises a lower plate (11) and an upper plate (12), as well as a slider wedge (13) interconnecting said two plates, characterized in that a projecting guide border (14) is formed in the central area of the slider wedge and extends roughly parallel between the upper plate (12) and lower plate (11) and which, on either side of the slider wedge (13) separates the two first chambers (15, 16) receiving the coupling member rows (4, 5) from the two second chambers (17, 18) receiving the facing borders (9) of the zip fastener carrying tapes (4, 5).
10. Zip fastener according to claim 9, characterized in that the outer edge (19) of the guide border (14) has a substantially constant spacing from the guide border-carrying slider wedge (13).
PCT/EP2000/004785 1999-05-28 2000-05-25 Fluidtight zip fastener WO2000072717A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19924539A DE19924539C2 (en) 1999-05-28 1999-05-28 Fluid tight zipper
DE19924539.8 1999-05-28

Publications (1)

Publication Number Publication Date
WO2000072717A1 true WO2000072717A1 (en) 2000-12-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2000/004785 WO2000072717A1 (en) 1999-05-28 2000-05-25 Fluidtight zip fastener

Country Status (13)

Country Link
US (1) US6343408B1 (en)
EP (1) EP1057423B1 (en)
JP (1) JP3719908B2 (en)
KR (1) KR100355292B1 (en)
CN (1) CN1145433C (en)
AT (1) ATE282337T1 (en)
DE (2) DE19924539C2 (en)
DK (1) DK1057423T3 (en)
ES (1) ES2231074T3 (en)
HK (1) HK1030729A1 (en)
NO (1) NO315965B1 (en)
TW (1) TW503715U (en)
WO (1) WO2000072717A1 (en)

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NO20002709D0 (en) 2000-05-26
NO20002709L (en) 2000-11-29
ATE282337T1 (en) 2004-12-15
JP2000354505A (en) 2000-12-26
CN1275353A (en) 2000-12-06
EP1057423A1 (en) 2000-12-06
NO315965B1 (en) 2003-11-24
DE19924539C2 (en) 2001-05-10
DE19924539A1 (en) 2000-11-30
JP3719908B2 (en) 2005-11-24
ES2231074T3 (en) 2005-05-16
TW503715U (en) 2002-09-21
KR20010049436A (en) 2001-06-15
US6343408B1 (en) 2002-02-05
CN1145433C (en) 2004-04-14
KR100355292B1 (en) 2002-10-11
DE60015850D1 (en) 2004-12-23
DK1057423T3 (en) 2005-03-14
EP1057423B1 (en) 2004-11-17
HK1030729A1 (en) 2001-05-18
DE60015850T2 (en) 2005-10-20

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