WO2018042641A1 - Curseur pour fermeture à glissière - Google Patents

Curseur pour fermeture à glissière Download PDF

Info

Publication number
WO2018042641A1
WO2018042641A1 PCT/JP2016/075904 JP2016075904W WO2018042641A1 WO 2018042641 A1 WO2018042641 A1 WO 2018042641A1 JP 2016075904 W JP2016075904 W JP 2016075904W WO 2018042641 A1 WO2018042641 A1 WO 2018042641A1
Authority
WO
WIPO (PCT)
Prior art keywords
slider
slide fastener
mass
concentration
base
Prior art date
Application number
PCT/JP2016/075904
Other languages
English (en)
Japanese (ja)
Inventor
琢哉 小泉
一人 塩田
脩平 多賀谷
吉村　泰治
上田　秀樹
Original Assignee
Ykk株式会社
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株式会社 filed Critical Ykk株式会社
Priority to EP16915198.2A priority Critical patent/EP3508090B1/fr
Priority to PCT/JP2016/075904 priority patent/WO2018042641A1/fr
Priority to TW106110760A priority patent/TWI620524B/zh
Publication of WO2018042641A1 publication Critical patent/WO2018042641A1/fr

Links

Images

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C22C21/02—Alloys based on aluminium with silicon as the next major constituent

Definitions

  • the present invention relates to a slide fastener, and more specifically to a slide fastener slider.
  • the slide fastener is widely used as an opening / closing tool for goods, as well as daily necessities such as clothing, bags, shoes and miscellaneous goods, as well as industrial goods such as water tanks, fishing nets and space suits.
  • a slide fastener is generally a pair of long fastener tapes, an element row that is a meshing portion of fasteners attached along one side edge of each tape, and opening and closing of the fastener by meshing and separating the pair of element rows. It is mainly composed of three parts of the slider that controls.
  • the slider has a function of meshing or separating the element rows by sliding while inserting the element rows therein.
  • a handle is attached to the outer surface of the slider, and the user can control the opening and closing of the slide fastener by pulling the handle in the sliding direction of the slider.
  • the parts that make up the slide fastener are often manufactured from metal, but the metal material that is put to practical use for sliders is zinc alloy.
  • a slider body having a predetermined shape and a puller attachment column are integrally formed using a zinc alloy by a die casting method, and then a puller attachment column is formed at one end of the puller.
  • the handle is movably attached to the slider body by performing a caulking process (bending process) on the handle attachment column.
  • materials that can be applied as metallic sliders include aluminum alloys. Since the aluminum alloy is light, the weight of the metal slide fastener can be reduced by using the aluminum alloy as the metal base material of the fastener component.
  • International Publication No. 2011/077567 Patent Document 1 describes using an aluminum alloy as a material for the slider. As aluminum alloys, aluminum-magnesium alloys and aluminum-copper-silicon alloys are described.
  • Aluminum alloy members cast by the die casting method are frequently used for engine parts and transmission parts for automobiles due to features such as high dimensional accuracy, high productivity, and high degree of freedom in shape.
  • die casting made of aluminum alloy is difficult to put into practical use because there is a problem that cracking easily occurs when plastic processing such as caulking or bending is applied to the pulling column of small parts such as sliders. there were.
  • the slider is also required to have enough strength to withstand the stress applied when the user operates the handle.
  • an object of the present invention is to provide an aluminum alloy slider for a slide fastener that has both practical strength and plastic workability.
  • the aluminum-copper-silicon alloy disclosed in Patent Document 1 uses ADC12 defined by JIS H5302: 2006 as an alloy for die casting.
  • ADC12 is Cu: 1.5 to 3.5 mass%, Si: 9.6 to 12.0 mass%, Mg: 0.3 mass% or less, Zn: 1.0 mass% or less, Fe: 1.3 mass% %: Mn: 0.5% by mass or less, Ni: 0.5% by mass or less, Sn: 0.2% by mass or less, Pb: 0.2% by mass or less, Ti: 0.30% by mass or less, and the balance It is defined as having a chemical component of Al, and is excellent in mechanical strength, castability, and electroplatability. For this reason, this inventor thought that it was promising as a base material of the slider for slide fasteners.
  • the present inventor conducted further studies and found that Pb has a significant adverse effect on the bending workability of the ADC 12.
  • the content of Pb is defined as 0.2% by mass or less in ADC12.
  • the commercially available ADC12 has a Pb concentration of about 0.05% by mass and has already been reduced, but the present inventor has remarkable plastic workability by further suppressing the Pb concentration to 0.01% by mass or less. Found to improve. It is also possible to use a cast iron part that is widely used. Therefore, it can be said that the technique for improving the plastic workability of the aluminum alloy by suppressing the Pb concentration is extremely excellent in practicality.
  • the present invention has been completed based on the above findings.
  • Si is contained in an amount of 9.6 to 12.0% by mass
  • Cu is contained in an amount of 1.5 to 3.5% by mass
  • the balance is made of Al and inevitable impurities.
  • a slider for a slide fastener comprising an aluminum alloy having a concentration of 0.01% by mass or less as a base material, and comprising a slider body and a pull attachment column formed on the slider body.
  • the slider for slide fastener according to the present invention has a total concentration of Fe, Mg, Zn, Sn, Ni, Mn, Cr, and Ti in the inevitable impurities of the base material of 1% by mass or less.
  • the Fe concentration in the inevitable impurities of the substrate is 0.5% by mass or more.
  • the Zn concentration in the inevitable impurities of the substrate is 0.1% by mass or less.
  • the Mg concentration in the inevitable impurities of the substrate is 0.1% by mass or less.
  • the average value of the Vickers hardness (Hv) of the base material at the base of the pull attachment column is 80-100.
  • the handle attachment column has a bent portion at the base, and the average value of the Vickers hardness (Hv) of the base material at the base is 90-100. is there.
  • the slider for slide fastener according to the present invention has a plating film on the substrate.
  • the slider for slide fastener according to the present invention has a base plating film containing one or more elements selected from the group consisting of Cu, Ni and Zn.
  • the base material is a die-cast product.
  • Si is contained in an amount of 9.6 to 12.0% by mass
  • Cu is contained in an amount of 1.5 to 3.5% by mass
  • the balance is made of Al and inevitable impurities.
  • An aluminum alloy with a Pb concentration of 0.01% by mass or less is used as a raw material, and a slider base material for a slide fastener including a rider body and a handle attachment column formed on the slider body is integrally formed by a die casting method. And a process of A handle attachment process involving plastically deforming the handle attachment column; The manufacturing method of the slider for slide fasteners containing.
  • the present invention is a slide fastener including the slide fastener slider according to the present invention.
  • the present invention is an article provided with the slide fastener according to the present invention.
  • the present invention it is possible to provide a slide fastener slider made of an aluminum alloy having practical strength and plastic workability.
  • the weight of the metal slide fastener can be reduced.
  • the element rows made of aluminum alloy have already been put into practical use, it is possible to provide a metal slide fastener having a sense of unity even in terms of design by using in combination with the aluminum alloy slider according to the present invention.
  • the slider for slide fastener according to the present invention is an environmentally friendly slider because Pb is suppressed to an extremely low concentration.
  • the base material of the slide fastener slider according to the present invention is made of an aluminum alloy based on ADC12 and having the Pb concentration suppressed as much as possible.
  • the slider for slide fastener according to the present invention contains 9.6 to 12.0% by mass of Si and 1.5 to 3.5% by mass of Cu, with the balance being Al and inevitable.
  • the base material is an aluminum alloy that is made of a general impurity and has a Pb concentration of 0.01 mass% or less in the inevitable impurities.
  • the aluminum alloy has typical inevitable impurities of Mg of 0.3% by mass or less, Zn of 1.0% by mass or less, Fe of 1.3% by mass or less, and Mn of 0.00%. 5 mass% or less, Ni 0.5 mass% or less, Sn 0.2 mass% or less, and Ti 0.30 mass% or less.
  • the mechanism of increase in plastic workability due to the extremely low Pb concentration is considered as follows. If the fine precipitates of Pb are present in the grain boundaries without dissolving in the aluminum alloy in the aluminum alloy, even if the concentration is low in the minute part such as the pulling column of the slider, cracks start from the precipitate. However, in the present invention, it is considered that the Pb concentration is extremely low in the present invention, so that adverse effects due to such fine Pb precipitates are suppressed, and plastic workability, particularly bending workability is improved.
  • the aluminum alloy substrate used for the slide fastener slider according to the present invention has a total concentration of Fe, Mg, Zn, Sn, Ni, Mn, Cr and Ti of 1% by mass or less.
  • the total concentration of Fe, Mg, Zn, Sn, Ni, Mn, Cr and Ti is more preferably 0.9% by mass or less, and even more preferably 0.8% by mass or less.
  • the aluminum alloy substrate used for the slide fastener slider according to the present invention has a Zn concentration of 0.1% by mass or less, more preferably 0.05% by mass or less. More preferably, it is 0.01 mass% or less.
  • the aluminum alloy base material constituting the slider for slide fastener according to the present invention has an Mg concentration of 0.1% by mass or less, more preferably 0.05% by mass or less, and even more. Preferably it is 0.01 mass% or less.
  • the slider which is an unavoidable impurity, is preferably reduced in concentration, but as mentioned above, it is also a main component of Fe cast parts, so from the viewpoint of increasing industrial productivity, the slider is sufficient without reducing the Fe concentration. It is desirable to have excellent plastic workability, particularly bending workability. In this respect, in the slider according to the present invention, by suppressing the Pb concentration as much as possible, a slider having practical plastic workability can be obtained even if the Fe concentration is not much concerned.
  • the aluminum alloy base material constituting the slider for slide fastener according to the present invention can have an Fe concentration of 0.5% by mass or more, and 0.6% by mass or more. It can also be 0.7% by mass or more, for example 0.5 to 1.0% by mass.
  • the plating film can be formed by any known method, for example, electroplating or electroless plating.
  • the type of the plating film is not particularly limited, and examples thereof include a Cu plating film, a Cu—Sn plating film, a Ni plating film, a Sn—Ni plating film, a Cr plating film, a Rh plating film, and a Pt plating film.
  • the plating film can have various base plating films.
  • Typical examples of the method for forming the base plating film include zincate treatment and electroless plating.
  • the thickness of the plating film is not particularly limited, but may be, for example, a total thickness of 1 ⁇ m to 10 ⁇ m, and typically a total thickness of 2 ⁇ m to 6 ⁇ m.
  • various surface treatments such as anodic oxidation treatment and chemical conversion film treatment may be performed without being limited to plating.
  • the direction of the slider is defined as follows.
  • the sliding direction of the slider is the front-rear direction, the direction in which the slider slides to engage the element rows is the front, and the direction in which the slider slides to separate the element rows is the rear.
  • the direction perpendicular to the surface of the fastener tape is the up-down direction, the direction from the lower blade to the upper blade is upward, and the direction from the upper blade to the lower blade is downward.
  • the direction parallel to the surface of the fastener tape and perpendicular to the slider sliding direction is the left-right direction, and when the slider is slid forward when viewed from above, the right side of the slider moving direction is the right direction, and the left side of the moving direction Is defined as the left direction.
  • a plane parallel to the front-rear direction and the left-right direction is referred to as a horizontal plane.
  • the slider is a die-cast product including the above-described aluminum alloy as a base material and including a slider body (100) and a handle attachment column (120) formed on the slider body (100).
  • the slider body (100) has an upper wing plate (101), a lower wing plate (102), left and right side walls (105, 106) having fastener tape guide grooves (103, 104), and a slider body (100) as a basic structure. 100) and a connecting column (109) for connecting the upper wing plate (101) and the lower wing plate (102), and one rear port for a pair of engaged element rows to enter and exit. (110).
  • the two front openings (107, 108) and the one rear opening (110) are substantially Y-shaped formed inside the slider body (100) so as to branch in the left-right direction along the guide grooves (103, 104). Are connected by an element guide path.
  • a handle attachment column (120) is formed on the upper surface of the upper blade (101).
  • the pull handle attachment column (120) is a gate type in which one end is fixed in a cantilever shape and extends in the sliding direction, but is not limited thereto, and is known to those skilled in the art. It can be set as the handle attachment part of arbitrary shapes. Further, referring to FIG. 3, a handle (201) having a hole-like portion at one end is prepared, and the handle (201) can be rotatably attached to the handle attachment column (120) through the hole.
  • the tip of the pulling attachment column (120) is crimped downward (that is, in the direction approaching the upper blade), and the pulling handle (201) is the pulling attachment portion. (120) can be prevented from being easily removed.
  • the base (121) of the pull handle mounting column (120) that has undergone plastic deformation by bending has a plastic deformation structure.
  • the slider base material for the slide fastener according to the present invention has an average value of Vickers hardness (Hv) at the base of the pull attachment column of 80 to 100.
  • the slider base material for the slide fastener according to the present invention has a bent portion formed by caulking the pull attachment column at the base of the pull attachment column, and the pull attachment column in this case
  • the average value of the Vickers hardness (Hv) of the substrate at the base of the substrate can be, for example, 90 to 100, and typically 95 to 100.
  • the slide fastener slider substrate according to the present invention is in a state before caulking the handle attachment column, and the Vickers hardness of the substrate at the base of the handle attachment column in that state (
  • the average value of Hv) can be 80-95, typically 85-95. It is appropriate that the caulking process is performed so that the average value of the Vickers hardness (Hv) of the base material at the base of the pulling column is increased by about 5 to 10.
  • the base of the puller mounting column means that the puller mounting column is cut at the center line in the left-right direction and the cross section is observed, and the boundary line between the puller mounting column and the outer surface of the slider body is defined along the outer surface of the slider body. It is a part of the handle attachment column that is above the boundary line when it is pulled, and indicates a part in the range from the front end to the rear end of the boundary line. Illustratively, the range of the root (121) of the handle attachment column in FIG. 2 is indicated by a dotted frame.
  • the average value of Vickers hardness (Hv) at the base of the pulling attachment column is measured according to the following procedure in accordance with JIS 2244: 2009.
  • the slider is filled with resin and polished with emery paper so that the left and right center sections of the pulling column are obtained. Thereafter, in order to measure the hardness, mirror polishing is performed using a diamond paste having a maximum particle diameter of 1 ⁇ m. After polishing, the Vickers hardness (Hv) of the left and right central sections of the pull handle mounting column is measured to calculate an average value.
  • a method for producing a slider base material for a slide fastener according to the present invention includes a slider body and a pull attachment column formed on the slider body by a die casting method using an aluminum alloy as a raw material. A step of integrally forming the base material of the slider, and a step of attaching a handle that involves plastically deforming the handle attachment column.
  • composition of the aluminum alloy as a raw material is omitted as it is described in “1. Composition of the slider base material” including the preferred embodiment, but it is omitted as much as possible as a raw material in order to prevent contamination of impurities such as Pb. It is desirable to use products. In general, when an aluminum alloy of ADC12 that is commercially available is used, the amount of impurities does not meet the standard intended by the present invention.
  • the base of the pull handle mounting column is plastically deformed, thereby increasing the hardness of the base of the pull handle mounting column.
  • the appropriate hardness before and after the plastic deformation is as described in “4. Vickers hardness of the pulling column”.
  • the handle attachment process involves inserting the handle attachment column into the attachment hole formed at one end of the handle and then bending the handle attachment column at the base to crimp the tip of the handle attachment column downward. Can be done.
  • the base material of the slide fastener slider according to the present invention can be subjected to various surface treatments before and / or after the handle attachment step, if necessary. For example, smoothing treatment, rust prevention treatment, painting treatment, plating treatment, and the like can be performed.
  • FIG. 4 shows an example of a slide fastener provided with the slider for slide fastener according to the present invention.
  • the slide fastener has a predetermined interval between a pair of fastener tapes (1) having a core (2) formed on one side end and the core (2) of each fastener tape (1).
  • the upper stopper (4) fixed by crimping to the core (2) of the fastener tape (1) at the upper end and the lower end of the element (3) row
  • a slider (6) which is arranged between the lower stopper (5) and the pair of opposing elements (3) and is slidable in the vertical direction to engage and disengage the pair of elements (3).
  • a state in which the element (3) row is attached to the core (2) of one fastener tape (1) is called a slide fastener stringer, and the core (2) of the pair of fastener tapes (1) is used.
  • the element in which the mounted element (3) row is meshed is called a slide fastener chain (7).
  • the bottom stopper (5) may be a separable fitting insert made of a butterfly stick, a box stick, and a box, and the pair of slide fastener chains can be separated by a slider opening operation. I do not care.
  • ⁇ Slide fasteners can be attached to various items, and function especially as an opening / closing tool.
  • the article to which the slide fastener is attached is not particularly limited, and examples thereof include daily necessaries such as clothing, bags, shoes, and miscellaneous goods, and industrial articles such as water storage tanks, fishing nets, and space suits.
  • Example 1 Si is 10.7 mass%, Cu is 1.8 mass%, the balance is Al and inevitable impurities, Pb in the inevitable impurities is 0.01 mass% or less, Fe, Mg, Zn, A high-purity bare metal having a composition in which the total concentration of Sn, Ni, Mn, Cr and Ti is 1% by mass or less was purchased from a raw material manufacturer.
  • Comparative Example 1 a secondary metal of ADC12 having a composition of Si: 10.7% by mass, Cu: 1.8% by mass, the balance Al and inevitable impurities was purchased from a raw material manufacturer. After the purchased bullion is melted in an iron casting apparatus, the shape shown in FIG.
  • Table 1 shows the results obtained by actually measuring the chemical composition of the slider substrate obtained by the above-described manufacturing procedure by the ICP method (Inductively Coupled Plasma, high frequency inductively coupled plasma method).
  • ICP method Inductively Coupled Plasma, high frequency inductively coupled plasma method.
  • Example 1 it can be seen that the concentration of inevitable impurities such as Pb is reduced as compared with Comparative Example 1.
  • the entire surface of the slider substrate was subjected to zincate treatment (thickness of about 1 ⁇ m), and then a copper film by copper sulfate plating (thickness of about 20 ⁇ m) was used as a base, and a copper-tin plating film (thickness of 1 ⁇ m) by electroplating. Degree).
  • the maximum load when the slider handle pulls off or a part of the slider breaks and separates is the slider total strength. It is. The measurement was carried out 10 times for each of Example 1 and Comparative Example 1, and the average value was taken as the measured value. The results are shown in Table 3. Table 3 shows the slider overall strength when the slider having the same shape is manufactured with a conventional zinc alloy (the material of the slider base material is a zinc alloy ZDC1 defined in JIS H5301: 2009) for reference. It can be seen that the slider according to Comparative Example 1 is inferior in strength to the conventional zinc alloy slider. On the other hand, it can be seen that the slider according to Example 1 has a strength comparable to that of the conventional zinc alloy slider.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Slide Fasteners (AREA)

Abstract

L'invention concerne un curseur pour une fermeture à glissière, le curseur étant réalisé à partir d'un alliage d'aluminium qui combine une résistance pratique avec une aptitude au travail plastique. Le curseur pour une fermeture à glissière comprend, en tant que matériau de base, un alliage d'aluminium qui contient 9,6 à 12,0 % en masse de Si et 1,5 à 3,5 % en masse de Cu, le reste comprenant de l'Al et des impuretés inévitables, la concentration en Pb dans les impuretés inévitables étant de 0,01 % en masse ou moins. Le curseur comprend un corps de curseur (100) et une barre de fixation de tirette (120) formée sur le corps de curseur (100).
PCT/JP2016/075904 2016-09-02 2016-09-02 Curseur pour fermeture à glissière WO2018042641A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP16915198.2A EP3508090B1 (fr) 2016-09-02 2016-09-02 Curseur pour fermeture à glissière
PCT/JP2016/075904 WO2018042641A1 (fr) 2016-09-02 2016-09-02 Curseur pour fermeture à glissière
TW106110760A TWI620524B (zh) 2016-09-02 2017-03-30 拉鏈用滑件

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2016/075904 WO2018042641A1 (fr) 2016-09-02 2016-09-02 Curseur pour fermeture à glissière

Publications (1)

Publication Number Publication Date
WO2018042641A1 true WO2018042641A1 (fr) 2018-03-08

Family

ID=61300244

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2016/075904 WO2018042641A1 (fr) 2016-09-02 2016-09-02 Curseur pour fermeture à glissière

Country Status (3)

Country Link
EP (1) EP3508090B1 (fr)
TW (1) TWI620524B (fr)
WO (1) WO2018042641A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6736690B2 (ja) * 2016-12-26 2020-08-05 Ykk株式会社 めっきされたアルミニウム又はアルミニウム合金製のスライドファスナー又はボタンの部材

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004256880A (ja) * 2003-02-27 2004-09-16 Nippon Light Metal Co Ltd 永久生長の少ないアルミニウム合金ダイカスト鋳物およびその製造方法
WO2011077567A1 (fr) * 2009-12-25 2011-06-30 Ykk株式会社 Composant de fermeture à glissière et fermeture à glissière avec curseur, et procédé de production d'un composant de fermeture à glissière
WO2014208134A1 (fr) * 2013-06-28 2014-12-31 Ykk株式会社 Constituant métallique pour dispositifs d'attache, fermeture à glissière l'utilisant et procédé de production de constituant métallique pour dispositifs d'attache
US20160201158A1 (en) * 2015-01-12 2016-07-14 Novelis Inc. Highly formable automotive aluminum sheet with reduced or no surface roping and a method of preparation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004256880A (ja) * 2003-02-27 2004-09-16 Nippon Light Metal Co Ltd 永久生長の少ないアルミニウム合金ダイカスト鋳物およびその製造方法
WO2011077567A1 (fr) * 2009-12-25 2011-06-30 Ykk株式会社 Composant de fermeture à glissière et fermeture à glissière avec curseur, et procédé de production d'un composant de fermeture à glissière
WO2014208134A1 (fr) * 2013-06-28 2014-12-31 Ykk株式会社 Constituant métallique pour dispositifs d'attache, fermeture à glissière l'utilisant et procédé de production de constituant métallique pour dispositifs d'attache
US20160201158A1 (en) * 2015-01-12 2016-07-14 Novelis Inc. Highly formable automotive aluminum sheet with reduced or no surface roping and a method of preparation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3508090A4 *

Also Published As

Publication number Publication date
EP3508090B1 (fr) 2024-01-10
TWI620524B (zh) 2018-04-11
EP3508090A1 (fr) 2019-07-10
EP3508090A4 (fr) 2020-01-15
TW201811217A (zh) 2018-04-01

Similar Documents

Publication Publication Date Title
TWI578931B (zh) Zipper with zippers and the use of its zipper
JP5490144B2 (ja) ファスナー構成部品及びスライドファスナー
JP3197413U (ja) レモンゴールド色を有する金属製ファスナー部材及びそれを備えたファスナー
JP6647559B2 (ja) スライドファスナー用エレメント
CN107105833B (zh) 具有淡金色的金属制紧固构件和具有其的紧固件
US10178898B2 (en) Metallic fastener member and fastener equipped with same
JPWO2018122935A1 (ja) めっきされたアルミニウム又はアルミニウム合金製のスライドファスナー又はボタンの部材
WO2018042641A1 (fr) Curseur pour fermeture à glissière
US20210045502A1 (en) Copper alloy fastener element and slide fastener
CN111031837B (zh) 拉链用链牙
TW201502079A (zh) 拉鏈部材用合金以及拉鏈部材
JP3214550U (ja) スライドファスナー

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16915198

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2016915198

Country of ref document: EP

Effective date: 20190402

NENP Non-entry into the national phase

Ref country code: JP