CN106714610B - Slide fastener and method for manufacturing slide fastener - Google Patents

Slide fastener and method for manufacturing slide fastener Download PDF

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Publication number
CN106714610B
CN106714610B CN201480082172.6A CN201480082172A CN106714610B CN 106714610 B CN106714610 B CN 106714610B CN 201480082172 A CN201480082172 A CN 201480082172A CN 106714610 B CN106714610 B CN 106714610B
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Prior art keywords
fastener
element row
monofilament
tape
color
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CN201480082172.6A
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CN106714610A (en
Inventor
山北喜道
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YKK Corp
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YKK Corp
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    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/10—Slide fasteners with a one-piece interlocking member on each stringer tape
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/10—Slide fasteners with a one-piece interlocking member on each stringer tape
    • A44B19/12—Interlocking member in the shape of a continuous helix
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/24—Details
    • A44B19/40—Connection of separate, or one-piece, interlocking members to stringer tapes; Reinforcing such connections, e.g. by stitching
    • A44B19/406—Connection of one-piece interlocking members
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/42—Making by processes not fully provided for in one other class, e.g. B21D53/50, B21F45/18, B22D17/16, B29D5/00
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/42—Making by processes not fully provided for in one other class, e.g. B21D53/50, B21F45/18, B22D17/16, B29D5/00
    • A44B19/52—Securing the interlocking members to stringer tapes while making the latter
    • A44B19/56—Securing the interlocking members to stringer tapes while making the latter while knitting the stringer tapes

Abstract

The slide fastener (1, 2, 3) of the present invention has the following features: the left and right 1 st element rows (11a, 21a) and 2 nd element rows (11b, 21b) are formed of a synthetic resin and are dyed in single colors having spectral reflectance curves different from each other. The slide fastener (1, 2, 3) of the present invention is rich in color and good in appearance quality because the 1 st element rows (11a, 21a) and the 2 nd element rows (11b, 21b) can be seen more clearly in color.

Description

Slide fastener and method for manufacturing slide fastener
Technical Field
The present invention relates to a slide fastener in which right and left element rows have different colors from each other, and a method of manufacturing the slide fastener.
Background
As a typical example of a fastener stringer for a slide fastener, a fastener stringer having a continuous element row in which, for example, a monofilament made of a thermoplastic resin is molded into a coil shape or a zigzag shape and a plurality of fastener elements having coupling heads are consecutively connected is known. Such a fastener stringer is generally formed by continuously sewing an element row formed of a plurality of continuous fastener elements to one side edge portion (element attaching portion) of a woven or knitted fastener tape with a sewing thread and fixing the element row to the one side edge portion of the fastener tape.
In a slide fastener produced by combining fastener stringers as described above in a pair of left and right, the element rows and/or fastener tapes of the fastener stringers may be colored in a desired color in accordance with, for example, the color and design of a product to which the slide fastener is attached.
As a method of coloring a fastener element row and a fastener tape of a fastener tape, the following methods are known: generally, a fastener stringer is manufactured by sewing a fastener element row to a fastener tape, 2 fastener stringers obtained are engaged with each other in a set to manufacture a long fastener chain, the long fastener chain is wound around a dyeing reel, and each reel around which the long fastener chain is wound is stored (immersed) in a dyeing pot to perform dyeing treatment.
As another method of coloring the fastener element row and the fastener tape, a monofilament is formed of a synthetic resin material to which a pigment of a desired color is added in advance, and then the monofilament is molded into a continuous fastener element row, and the fastener tape is separately colored by performing a dyeing process. Then, by sewing the obtained fastener elements to a fastener tape, a fastener stringer in which the element rows and the fastener tape respectively exhibit desired colors is manufactured.
Further, for example, japanese patent application laid-open No. 11-70005 (patent document 1) describes a fastener chain for a slide fastener as follows: the left and right element rows are colored in a plurality of colors in the longitudinal direction, and exhibit a colorful color such as rainbow color (rainbowcolor).
In the fastener stringer described in patent document 1, the fastener elements are formed of monofilaments of thermoplastic synthetic fibers such as polyamide and polyester, and the monofilaments are colored with dyes or pigments of several different colors at a predetermined length at a predetermined cycle, thereby exhibiting various colors such as iridescent colors such as red, yellow, green, and blue.
Then, the monofilament colored in a plurality of colors is formed into a coil shape to form a continuous element row, and the obtained coil-shaped element row is sewn to a tape side edge portion of the fastener tape to manufacture a fastener stringer.
As described above, in patent document 1, the left element row is colored in a plurality of colors and the right element row is also colored in a plurality of colors, so that a slide fastener having an unprecedented beautiful element row with a colorful color in the conventional slide fastener can be manufactured. Thus, when the slide fastener is attached to a product to which the slide fastener is attached, such as clothing, a pattern formed in a plurality of colors can be clearly displayed on the opening or the opening/closing portion of the product to which the slide fastener is attached.
Documents of the prior art
Patent document
Patent document 1: japanese patent laid-open publication No. 11-70005
Disclosure of Invention
In recent years, in various articles, particularly, articles for daily use such as clothes, bags, and shoes, slide fasteners attached to these articles have been used as an element of design, and there has been a demand for improving the appearance quality of the entire product including the slide fasteners. For example, the slide fastener is designed such that the element rows and the fastener tape are colored in desired colors, or the left and right element rows are colored in desired colors, depending on the use and design of a product to which the slide fastener is attached.
However, when the element rows and/or the fastener tapes are colored, for example, in the case where the fastener element is sewn to the fastener tape to produce a long chain, and then the long chain is wound around a dyeing reel to perform dyeing treatment by dipping, as described above, the left and right element rows and the left and right fastener tapes are all dyed with substantially the same color dye. Therefore, there is a problem that it is difficult to make colors of the left and right element rows different from each other and to make colors of the element rows and the fastener tape different from each other.
In order to make the colors of the left and right fastener elements different from each other, it is conceivable to wind the fastener stringers separately on separate dyeing reels and perform dyeing treatment by separate dipping on the left and right fastener stringers, for example, in a state where the fastener chain is not in a long chain state but in a state where the left and right fastener stringers before the left and right fastener elements are engaged are independent from each other. In this way, the left and right fastener stringers are dyed to desired colors, respectively, and then the colored left and right fastener stringers are combined to manufacture the slide fastener, whereby the slide fastener having different colors between the left and right element rows can be obtained.
However, when the left and right fastener tapes are wound around different dyeing reels to be dyed, the positions of the fastener elements in the fastener element rows may be displaced in the dyeing step, and the intervals between the coupling heads adjacent to each other in the tape longitudinal direction may vary. Therefore, for example, when a slide fastener is manufactured, there is a possibility that the engagement of the left and right element rows is deteriorated, the sliding property of the slider is lowered, and the long fastener chain is easily bent, as compared with a case where a dyeing process is performed by winding a long fastener chain in which the left and right fastener stringers are engaged with each other around a dyeing reel.
On the other hand, for example, when coloring the element rows to a desired color by adding a pigment to the synthetic resin material at the time of forming the monofilament, the colors of the left and right element rows can be easily made different. However, in the case of producing a coil-shaped fastener element by adding a pigment to a synthetic resin material of a monofilament, it is necessary to weave the monofilament for each color, and therefore, it is difficult to produce the fastener element in a small amount, and in the case of forming a fastener element row of one color, it is necessary to form the fastener element after forming a large amount of monofilament of 50 to 100kg units colored with the pigment.
However, in recent years, diversification and individualization of user demands have been advanced, and in order to meet such demands, production of a large number of products in small quantities, rapid response to demands, popularity, and the like have been demanded. On the other hand, since the method of coloring the element rows by adding the pigment to the synthetic resin material is premised on mass production, it is difficult to flexibly respond to the recent demand, and on the contrary, there is a problem that the manufacturing cost increases and the response to the demand or the popularity is slow. Further, when the element array is colored by adding a pigment to the synthetic resin material, there is a problem that the colored element array cannot be formed to be transparent.
Patent document 1 describes a fastener stringer in which a monofilament is colored at a predetermined length at a predetermined cycle by a plurality of dyes or pigments of different colors, thereby causing left and right element rows to have a colorful color in the longitudinal direction.
However, in patent document 1, a specific coloring method of the monofilament is not described in detail, and in order to actually color the monofilament with a plurality of colors by using a dye or a pigment, a dyeing method by dipping is extremely difficult, and it is necessary to perform the coloring treatment by using a dedicated coloring apparatus such as an inkjet method of a pigment-based ink or a dye-based ink. Therefore, an increase in manufacturing cost and a reduction in production efficiency of the slide fastener, etc. may result.
In addition, depending on the preference or popularity of the user, there are also cases where: since the left and right element rows are colored in a single color (single color) different from each other without the slide fastener having the left and right element rows colored in the multi-color, it is desired to provide a slide fastener having such element rows colored in the single color more inexpensively and quickly.
The present invention has been made in view of the above conventional problems, and a specific object thereof is to provide a slide fastener comprising: the manufacturing cost is prevented from increasing and the production efficiency of the slide fastener is prevented from decreasing, and the right and left element rows are made to have different single colors, and good engagement performance of the right and left element rows and good sliding performance of the slider are stably ensured.
In order to achieve the above object, a slide fastener according to the present invention includes: the fastener stringer includes a pair of fastener stringers in which a 1 st element row and a 2 nd element row are formed on opposing tape side edge portions of a 1 st fastener tape and a 2 nd fastener tape, respectively, and has the following main features: the 1 st element row and the 2 nd element row are formed of a synthetic resin and are dyed in a single color, respectively, and the 1 st element row and the 2 nd element row have spectral reflectance curves different from each other.
In the slide fastener of the present invention, it is preferable that the 1 st element row and the 2 nd element row are formed of synthetic resin whose main components are the same material.
Preferably, the 1 st element row has a spectral reflectance curve different from that of the 1 st fastener tape, and the 2 nd element row has a spectral reflectance curve different from that of the 2 nd fastener tape.
In the slide fastener of the present invention, it is preferable that the 1 st element row and the 2 nd element row are formed of polyethylene terephthalate not containing titanium dioxide.
The 1 st element row may be formed of polyethylene terephthalate containing no titanium dioxide, and the 2 nd element row may be formed of polyethylene terephthalate containing 0.3 wt% or more of titanium dioxide; alternatively, the 1 st element row and the 2 nd element row may be formed of polyethylene terephthalate containing 0.3 wt% or more of titanium dioxide.
Next, a method of manufacturing a slide fastener according to the present invention is a slide fastener including a pair of fastener stringers in which a 1 st element row and a 2 nd element row are formed on opposing tape side edge portions of a 1 st fastener tape and a 2 nd fastener tape, and is characterized by including: dyeing a 1 st monofilament made of a synthetic resin into a single color; dyeing a 2 nd monofilament made of a synthetic resin into a single color having a spectral reflectance curve different from that of the 1 st monofilament; forming the 1 st filament and the 2 nd filament into the 1 st element row and the 2 nd element row, respectively; and sewing the 1 st element row and the 2 nd element row to the tape side edge portions of the 1 st fastener tape and the 2 nd fastener tape, respectively, with a sewing thread.
Another method of manufacturing a slide fastener according to the present invention is a slide fastener including a pair of fastener stringers in which a 1 st element row and a 2 nd element row are formed on opposing tape side edge portions of a 1 st fastener tape and a 2 nd fastener tape, respectively, and is characterized by including: forming a 1 st monofilament made of a synthetic resin into the 1 st element row, and dyeing the 1 st element row in a single color; forming a 2 nd monofilament made of a synthetic resin into the 2 nd element row, and dyeing the 2 nd element row into a single color having a spectral reflectance curve different from that of the 1 st element row; and sewing the dyed 1 st element row and 2 nd element row to the tape side edge portions of the 1 st fastener tape and the 2 nd fastener tape, respectively, with a sewing thread.
The method for manufacturing a slide fastener of the present invention preferably includes: the material of the 1 st element row and the 2 nd element row is polyethylene terephthalate which does not contain titanium dioxide; and dyeing the 1 st monofilament or the 1 st element row and the 2 nd monofilament or the 2 nd element row with different dyeing liquids.
Further, the method for manufacturing a slide fastener of the present invention may include: the material of the 1 st chain element row is polyethylene terephthalate without titanium dioxide; the material of the 2 nd element row is polyethylene terephthalate containing more than 0.3 wt% of titanium dioxide; and dyeing the 1 st monofilament or the 1 st element row and the 2 nd monofilament or the 2 nd element row with the same dyeing liquid.
Further, the method for manufacturing a slide fastener of the present invention may include: the material of the 1 st chain element row is polyethylene terephthalate without titanium dioxide; the material of the 2 nd element row is polyethylene terephthalate containing more than 0.3 wt% of titanium dioxide; and dyeing the 1 st monofilament or the 1 st element row and the 2 nd monofilament or the 2 nd element row with different dyeing liquids.
Further, the method for manufacturing a slide fastener of the present invention may include: the material of the 1 st element row and the 2 nd element row is polyethylene terephthalate containing more than 0.3 wt% of titanium dioxide; and dyeing the 1 st monofilament or the 1 st element row and the 2 nd monofilament or the 2 nd element row with different dyeing liquids.
Effects of the invention
In the slide fastener of the present invention, since the synthetic resin monofilaments or fastener element rows (particularly, fastener elements) are directly subjected to a dyeing process by dipping or the like, the left-side fastener element row and the right-side fastener element row can be colored in a single different color and have mutually different spectral reflectance curves without using a dedicated coloring apparatus such as an ink-jet method.
In the slide fastener of the present invention, the 1 st element row and the 2 nd element row can be made to stably express colors having different spectral reflection curves without significantly increasing the manufacturing cost and significantly reducing the production efficiency of the slide fastener. Further, since it is not necessary to perform the dyeing process on the obtained left and right 1 st fastener stringers and 2 nd fastener stringers after the fastener element rows are fixed to the fastener tape by sewing, there is no problem that the engagement between the 1 st element row and the 2 nd element row is deteriorated, the sliding property of the slider is lowered, and the fastener chain is easily bent due to the positional displacement of the fastener elements by the dyeing process.
Further, unlike the case where the fastener element is formed by adding a pigment to a synthetic resin material of a monofilament as described above, the fastener of the present invention can be produced in a small amount because the fastener element can be colored in a desired color after the monofilament is formed. Therefore, the present invention can easily cope with a large variety of small-volume production such as a case of a product to which a slide fastener is attached, and the like, and can quickly cope with the demand and popularity of a user.
In the present invention, the expression of colors having different spectral reflectance curves means the following case: the waveforms of the spectral reflectance curves obtained by measuring a certain specific portion of the fastener element (for example, the middle portion between the coupling head and the coupling portion in the leg portion of the fastener element) with a spectrophotometer are different from each other in the 1 st element row and the 2 nd element row. In this case, when the 1 st monofilament (the monofilament forming the 1 st element row) and the 2 nd monofilament (the monofilament forming the 2 nd element row) before forming the fastener element are measured by a spectrophotometer, the spectral reflectance curve of the 1 st monofilament and the spectral reflectance curve of the 2 nd monofilament are different from each other.
In the slide fastener of the present invention, the 1 st element row and the 2 nd element row are formed of synthetic resins whose main components are the same material as each other. This makes it possible to match the properties, the texture, and the like of the 1 st element row and the 2 nd element row, and to stably ensure the quality such as the coupling strength of the slide fastener and the slidability of the slider. In the present invention, the 1 st element row and the 2 nd element row may be formed of synthetic resins whose main components are different from each other.
In the slide fastener of the present invention, the 1 st element row may have a color having a spectral reflectance curve different from that of the 1 st fastener tape. In addition, the 2 nd element row can have a color having a spectral reflectance curve different from that of the 2 nd fastener tape. This makes it possible to easily provide a zipper, which has been difficult to manufacture in the past, a zipper that further meets the user's needs, and the like to the market.
In the slide fastener of the present invention, the 1 st element row and the 2 nd element row are formed by a monofilament formed of polyethylene terephthalate not containing titanium dioxide. Since the 1 st element row and the 2 nd element row are formed by using the monofilament made of polyethylene terephthalate containing no titanium dioxide, it is possible to have a transparent and colored element row which cannot be realized by adding a pigment to a synthetic resin material of the monofilament as described above, for example. This can increase the change in the combination of the left and right element rows having different colors.
In the slide fastener of the present invention, the 1 st element row may be formed of a monofilament made of polyethylene terephthalate containing no titanium dioxide, and the 2 nd element row may be formed of a monofilament made of polyethylene terephthalate containing 0.3 wt% or more of titanium dioxide.
Since the monofilament is formed of polyethylene terephthalate containing 0.3 wt% or more of titanium dioxide, the color of the monofilament itself can be white. Further, by performing a dyeing process on the white monofilaments, the color of the monofilaments can be made more vivid.
Further, the 1 st element row is made of polyethylene terephthalate containing no titanium dioxide, and therefore is transparent and colored, while the 2 nd element row is made of polyethylene terephthalate containing 0.3 wt% or more of titanium dioxide, and therefore the colored color can be clearly expressed. Therefore, it is easy to express the difference between the color of the 1 st element row and the color of the 2 nd element row relatively clearly. Further, the variation in the combination of the left and right element rows having different colors can be further increased, and a new type of slide fastener which cannot be manufactured in the past can be provided to the market.
In the slide fastener of the present invention, the 1 st element row and the 2 nd element row may be formed of a monofilament formed of polyethylene terephthalate containing 0.3 wt% or more of titanium dioxide. This makes it possible to provide a market with a slide fastener in which the 1 st element row and the 2 nd element row are dyed in different colors.
Next, in the method of manufacturing a slide fastener of the present invention, first, the 1 st monofilament made of synthetic resin is dyed in a single color, and separately from the 1 st monofilament, the 2 nd monofilament made of synthetic resin is dyed in a single color having a spectral reflectance curve different from that of the 1 st monofilament. Therefore, the 1 st monofilament and the 2 nd monofilament which show mutually different colors can be easily obtained.
Next, the 1 st monofilament and the 2 nd monofilament obtained are respectively formed into a coil shape or a zigzag shape, whereby a plurality of fastener elements are consecutively coupled to form a 1 st element row and a 2 nd element row which show mutually different colors.
Further, when the monofilament is colored by, for example, a dyeing process by dipping and then the colored monofilament is molded to form a continuous fastener element, when the monofilament is plastically deformed, the surface of the monofilament is locally extended, and therefore, the colored color becomes lighter or disappears, the color is locally changed, and the like, which may adversely cause a reduction in the appearance quality of the element row.
However, in the present invention, since the dyeing conditions and the molding conditions of the monofilaments are examined in detail to find suitable conditions, even when the dyed monofilaments are molded into fastener elements, the colored color is prevented from falling off and becoming lighter, and a fastener element row having a desired color stably throughout can be formed.
Next, in the manufacturing method of the present invention, the formed 1 st element row and 2 nd element row are sewn to the tape side edge portions of the 1 st fastener tape and the 2 nd fastener tape, respectively, with a sewing thread, thereby forming a pair of fastener stringers. Then, the obtained pair of fastener stringers are combined, and a slider or the like is attached, thereby manufacturing a slide fastener.
By using the manufacturing method as described above, it is possible to stably manufacture the slide fastener in which the 1 st element row and the 2 nd element row are dyed with the single colors having the different light reflectance curves, respectively, without causing a large increase in manufacturing cost. In addition, if the manufacturing method is adopted, the following defects can be prevented: the left and right element rows have poor engageability, the slider has poor slidability, and the fastener chain is easily bent. Further, it is possible to easily cope with a case where a product to which a slide fastener is attached is produced in a small amount in a large variety, and it is also possible to quickly cope with a demand, a popularity, and the like of a user.
In another method of manufacturing a slide fastener according to the present invention, first, a 1 st monofilament made of a synthetic resin is molded into a 1 st element row, and the 1 st element row is dyed in a single color. Separately from the 1 st element row, the 2 nd element row is formed by molding a 2 nd monofilament made of a synthetic resin into a 2 nd element row, and the 2 nd element row is colored in a single color having a spectral reflectance curve different from that of the 1 st element row. Thereby, the 1 st element row and the 2 nd element row which show mutually different colors can be easily formed.
Next, the formed 1 st element row and 2 nd element row are sewn to the tape side edge portions of the 1 st fastener tape and the 2 nd fastener tape, respectively, with a sewing thread, thereby forming a pair of fastener stringers. Then, the obtained pair of fastener stringers are combined, and a slider or the like is attached, thereby manufacturing a slide fastener.
By adopting the manufacturing method as described above, it is possible to stably manufacture the slide fastener in which the 1 st element row and the 2 nd element row are respectively dyed with the single colors having the different light reflectance curves without causing a large increase in manufacturing cost.
In this case, since the dyeing process is performed after the element row is molded and before the element row is attached to the fastener tape, it is possible to prevent problems such as deterioration in the coupling property of the right and left element rows, reduction in the sliding property of the slider, and easy bending of the fastener chain due to the dyeing process. Further, it is possible to easily cope with a case where a product to which a slide fastener is attached is produced in a small amount in a large variety, and it is also possible to quickly cope with a demand, a popularity, and the like of a user.
In the above-described production method of the present invention, the 1 st element row and the 2 nd element row can be formed from polyethylene terephthalate not containing titanium dioxide, and the 1 st filament or the 1 st element row and the 2 nd filament or the 2 nd element row can be dyed with different dyeing liquids. This enables the slide fastener to be stably manufactured with the 1 st element row and the 2 nd element row being transparent and colored, and the variation in the combination of the left and right element rows having different colors can be increased.
In the production method of the present invention, the 1 st element row may be formed of polyethylene terephthalate containing no titanium dioxide, the 2 nd element row may be formed of polyethylene terephthalate containing 0.3 wt% or more of titanium dioxide, and the 1 st filament or the 1 st element row and the 2 nd filament or the 2 nd element row may be dyed with the same dyeing liquid.
This allows the 1 st element row to be formed as a transparent and colored element row. In addition, since the 2 nd element row is formed of polyethylene terephthalate containing 0.3 wt% or more of titanium dioxide, the color of the element row colored by the dyeing treatment can be seen more clearly than the 1 st element row.
Therefore, even if the 1 st monofilament or the 1 st element row and the 2 nd monofilament or the 2 nd element row are dyed with the same dyeing liquid, the difference between the color of the 1 st element row and the color of the 2 nd element row can be relatively clearly distinguished, and therefore, a slide fastener having the 1 st element row and the 2 nd element row which are clearly different in color can be stably manufactured. Further, this enables a further increase in the variation in the combination of the left and right element rows having different colors, and provides a new type of slide fastener which has not been able to be manufactured in the past to the market.
In the present invention, the dyeing with the same dyeing solution includes: the case where the 1 st filament or the 1 st element row and the 2 nd filament or the 2 nd element row are immersed in the same dyeing vessel simultaneously or sequentially to perform the dyeing treatment, and the case where the 1 st filament or the 1 st element row and the 2 nd filament or the 2 nd element row are immersed in different dyeing vessels containing the same dyeing liquid to perform the dyeing treatment.
In the production method of the present invention, the 1 st element row may be formed of polyethylene terephthalate containing no titanium dioxide, the 2 nd element row may be formed of polyethylene terephthalate containing 0.3 wt% or more of titanium dioxide, and the 1 st filament or the 1 st element row and the 2 nd filament or the 2 nd element row may be dyed with different dyeing liquids.
This enables the stable production of a slide fastener having the 1 st element row and the 2 nd element row which are more clearly different in color. Further, the variation in the combination of the left and right element rows having different colors can be further increased, and a new type of slide fastener which cannot be manufactured in the past can be provided to the market.
In the production method of the present invention, the 1 st element row and the 2 nd element row may be formed from polyethylene terephthalate containing 0.3 wt% or more of titanium dioxide, and the 1 st filament or the 1 st element row, and the 2 nd filament or the 2 nd element row may be dyed with different dyeing liquids. Therefore, the slide fastener having the 1 st element row and the 2 nd element row dyed in more vivid colors can be stably manufactured, and the variation in the combination of the left and right element rows having different colors can be increased.
Drawings
Fig. 1 is a plan view showing a slide fastener according to example 1 of the present invention.
Fig. 2 is an enlarged plan view showing a part of the 1 st fastener stringer of the same slide fastener in an enlarged manner.
Fig. 3 is an enlarged plan view showing the left and right 1 st element rows and 2 nd element rows of the same slide fastener in an enlarged state.
Fig. 4 is an enlarged view showing a part of a slide fastener according to a modification of example 1 in an enlarged manner.
Fig. 5 is an explanatory view illustrating a state where a fastener element row is formed by a monofilament and a core string is inserted into the fastener element row.
Fig. 6 is an enlarged view of a main part showing a main part of a 1 st fastener stringer and a 2 nd fastener stringer of a slide fastener according to example 2 of the present invention in an enlarged manner.
Fig. 7 is an enlarged view of a main part showing a main part of a 1 st fastener stringer and a 2 nd fastener stringer of a slide fastener according to embodiment 3 of the present invention in an enlarged manner.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings by way of examples. The present invention is not limited to the embodiments described below, and various modifications can be made as long as the present invention has substantially the same configuration and the same operational effects as those of the present invention.
Example 1
Fig. 1 is a plan view showing a slide fastener of example 1. Fig. 2 is an enlarged plan view showing a part of a 1 st fastener stringer of the same slide fastener in an enlarged manner, and fig. 3 is an enlarged plan view showing a state in which right and left element rows of the same slide fastener are engaged in an enlarged manner. In fig. 3, the fastener tapes are not shown in order to show the engagement state of the left and right element rows for easy understanding.
In the following description, the front-back direction refers to a longitudinal direction of the fastener tape and the fastener stringer, and is the same direction as a sliding direction in which the slider slides. In particular, a direction in which the slider slides so as to engage the element rows of the slide fastener is defined as a front direction, and a direction in which the slider slides so as to separate the element rows is defined as a rear direction.
The left-right direction refers to a tape width direction of the fastener tape, and is a direction parallel to a tape surface of the fastener tape and orthogonal to a tape longitudinal direction. The vertical direction means a tape front-back direction perpendicular to a tape surface of the fastener tape, and particularly, in the case of a fastener having a coiled element row, a direction of the element row with respect to a fastener tape attaching side is defined as an upper direction, and a direction of an opposite side thereof is defined as a lower direction.
The slide fastener 1 of the present embodiment 1 has: a pair of right and left fastener stringers 10 (a left 1 st fastener stringer 10a and a right 2 nd fastener stringer 10 b); a stopper (1 st stopper) 5 disposed adjacent to the element rows 11 (the 1 st element row 11a on the left side and the 2 nd element row 11b on the right side) at the distal end portions of the 1 st fastener stringer 10a and the 2 nd fastener stringer 10 b; a separable bottom end part 6 disposed adjacent to the element row 11 at the rear end parts of the 1 st fastener stringer 10a and the 2 nd fastener stringer 10 b; and a slider 30 slidably disposed along the element row 11.
The slide fastener 1 of example 1 has main features of the 1 st fastener stringer 10a and the 2 nd fastener stringer 10b (particularly, the 1 st element row 11a and the 2 nd element row 11b), and the stop 5, the separable bottom end stop 6, and the slider 30 are substantially the same as those of a conventional normal slide fastener.
For example, the stop 5 of embodiment 1 is attached to the front end portions of the 1 st fastener tape 12a and the 2 nd fastener tape 12b so as to be continuous with the element row 11 across the tape front surface and the tape back surface, and prevents the slider 30 from dropping from the front end side of the element row 11.
The separable bottom end stop 6 of embodiment 1 has an insert pin 6a disposed at the rear end portion of the left 1 st fastener stringer 10 a; a base pipe 6b disposed at a rear end portion of the right 2 nd fastener stringer 10 b; and a socket 6c integrally formed at the rear end of the seat tube 6b to constitute a separable insert 6 for right insertion.
In the present invention, for example, the separable bottom end fitting 6 for left insertion can be formed so that the positional relationship between the insert tube 6a, the box pin 6b, and the box pin 6c is reversed in the left-right direction from that in example 1. Further, instead of the separable bottom end stop 6, a 2 nd stopper for preventing the slider 30 from falling off from the rear end side of the element row 11 may be attached so as to straddle the left and right 1 st fastener stringers 10a and 2 nd fastener stringers 10 b.
The slider 30 of embodiment 1 includes a slider body 31 and a tab 32 having a mounting shaft portion at one end, and the tab 32 is held on the slider body 31 so as to be rotatable about the mounting shaft portion. The slider body 31 includes an upper blade 31a, a lower blade, a guide post connecting a front end portion of the upper blade 31a and a front end portion of the lower blade, an upper flange portion hanging from left and right side edge portions of the upper blade 31a, and a tab attaching post 31b provided on an upper surface of the upper blade 31 a.
Left and right shoulder openings are formed at the front end of the slider body 31 so as to sandwich the guide post, and a rear opening is formed at the rear end of the slider body 31. Further, a substantially Y-shaped element guide passage that communicates the left and right shoulder openings and the rear opening is formed between the upper blade 31a and the lower blade. A tape insertion gap through which the fastener tape 12 can be inserted is formed between the upper flange portion and the lower blade disposed on the left and right side portions of the slider body 31.
The left 1 st fastener stringer 10a and the right 2 nd fastener stringer 10b in embodiment 1 each have: fastener strip 12 (left side 1 st fastener strip 12a or right side 2 nd fastener strip 12 b); and a fastener element row 11 (a 1 st fastener element row 11a on the left side or a 2 nd fastener element row 11b on the right side) arranged along the opposite tape side edge portion of the fastener tape 12, the 1 st fastener element row 11a on the left side having a 1 st color (for example, blue), and the 1 st fastener element row 11a on the right side having a 2 nd color (for example, pale blue) different from the 1 st color.
In the slide fastener 1 of example 1, the fastener stringer 10, the fastener tape 12, the element row 11, and the monofilament 13 forming the element row 11, which are disposed on the left side in a plan view, are referred to as a 1 st fastener stringer 10a, a 1 st fastener tape 12a, a 1 st element row 11a, and a 1 st monofilament 13a, respectively. The fastener stringer 10, the fastener tape 12, the element row 11, and the monofilament 13 forming the element row 11 disposed on the right side are referred to as a 2 nd fastener stringer 10b, a 2 nd fastener tape 12b, a 2 nd element row 11b, and a 2 nd monofilament 13b, respectively.
In example 1, the left and right 1 st fastener tapes 12a and 2 nd fastener tapes 12b are woven into a narrow tape shape using synthetic fibers dyed in a desired 3 rd color (for example, yellow) different from the 1 st color and the 2 nd color. Further, the 1 st fastener tape 12a and the 2 nd fastener tape 12b each have: a tape main body portion that is a portion to be sewn to a product to which a slide fastener such as clothes or bags is attached; and a tape side edge portion (also referred to as an element attaching portion) to which the element row 11 is attached, the tape side edge portion being disposed on one side edge side of the tape main body portion.
In addition, in example 1, both the 1 st fastener tape 12a and the 2 nd fastener tape 12b have the 3 rd color dyed by dyeing treatment, but the color appearing on the fastener tape 12 is not particularly limited in the present invention. For example, as shown in FIG. 4, the left side 1 st fastener tape 12a and the right side 2 nd fastener tape 12b may also have mutually different colors. In this case, the color of the 1 st fastener tape 12a on the left side is different from the 1 st color of the 1 st element row 11a, and the color of the 2 nd fastener tape 12b on the right side is different from the 2 nd color of the 2 nd element row 11 b. Further, a desired pattern can be arbitrarily given to the tape surface or tape back surface of the 1 st fastener tape 12a and the 2 nd fastener tape 12 b.
Further, although the 1 st fastener tape 12a and the 2 nd fastener tape 12b in embodiment 1 are formed by weaving, the form of the fastener tape 12 is not limited in the present invention, and for example, the material and thickness of the warp and weft forming the fastener tape 12 can be arbitrarily set, and the fastener tape 12 can also be formed by weaving.
The left and right 1 st element rows 11a and 2 nd element rows 11b are formed by a plurality of fastener elements 15 being consecutively coupled in a coil shape, and the left and right 1 st element rows 11a and 2 nd element rows 11b are sewn to the tape side edge portions of the 1 st fastener tape 12a and 2 nd fastener tape 12b, respectively, by a double-thread lock stitch of the sewing thread 14 (the left 1 st sewing thread 14a or the right 2 nd sewing thread 14b) in a state where the core thread 16 is inserted between the upper leg portion 15b and the lower leg portion of each fastener element 15 described later. In the present invention, the 1 st element row 11a and the 2 nd element row 11b can be stitched to the 1 st fastener tape 12a and the 2 nd fastener tape 12b, respectively, without using the core thread 16.
Each fastener element 15 has: the engagement head 15 a; upper and lower leg portions 15b and 15b extending from the engaging head portion 15a in the tape width direction; and a coupling portion 15c extending from the upper leg portion 15b or the lower leg portion and coupled to the fastener element 15 adjacent in the fastener longitudinal direction. In the present invention, among the upper and lower legs extending from the coupling head 15a of the fastener element 15, the lower leg refers to the leg on the side where the fastener tape 12 directly contacts, and the upper leg 15b refers to the leg on the side disposed at a distance from the fastener tape 12.
The coupling head 15a of the fastener element 15 is formed in the vertical direction so as to straddle the upper leg portion 15b and the lower leg portion, and has a portion bulging in the front-rear direction at a middle portion in the vertical direction. The upper leg portion 15b extends from the coupling head portion 15a in the fastener width direction and is disposed above the core string 16. The lower leg portion extends from the coupling head portion 15a substantially parallel to the upper leg portion 15b in the fastener width direction, and is disposed between the core thread 16 and the fastener tape 12.
The coupling portion 15c couples the upper leg portion 15b of each fastener element 15 and the lower leg portion of the fastener element 15 adjacent to the front side of the fastener element 15 (in other words, couples the lower leg portion of each fastener element 15 and the upper leg portion 15b of the fastener element 15 adjacent to the rear side of the fastener element 15).
In this embodiment 1, the 1 st element row 11a on the left side is formed as follows: the transparent 1 st monofilament 13a made of polyethylene terephthalate not containing titanium dioxide is dyed in a single color of 1 st color (for example, blue) different from the 3 rd color of the 1 st fastener tape 12a on the left side, and the dyed 1 st monofilament 13a is formed into a coil shape.
In addition, the right 2 nd element row 11b is formed as follows: the transparent 2 nd monofilament 13b formed of polyethylene terephthalate not containing titanium dioxide is dyed in a single color of the 2 nd color (e.g., light blue), and the dyed 2 nd monofilament 13b is formed in a coil shape, the 2 nd color being a color different from the 3 rd color of the 2 nd fastener tape 12b on the right side and different from the 1 st color of the 1 st element row 11a on the left side.
By thus making the 1 st color of the left 1 st element row 11a different from the 2 nd color of the right 2 nd element row 11b, making the 1 st color of the 1 st element row 11a different from the 3 rd color of the 1 st fastener tape 12a, and making the 2 nd color of the 2 nd element row 11b different from the 3 rd color of the 2 nd fastener tape 12b, the color of the slide fastener 1 becomes vivid, and the appearance quality of the slide fastener 1 and the appearance quality of a final product manufactured by attaching the slide fastener 1 to a product to which the slide fastener is attached can be effectively improved.
Here, the 1 st color to the 3 rd color are different from each other, and mean that the waveforms of the spectral reflectance curves obtained by measuring the 1 st element row 11a, the 2 nd element row 11b (or the 1 st filament 13a and the 2 nd filament 13b) and the fastener tape 12 by spectrophotometry are different from each other.
In particular, when the spectral reflectance curves of the 1 st element row 11a and the 2 nd element row 11b are measured by a spectrophotometer, the spectral reflectance curve at a certain specific portion of the fastener element 15 is measured as in the middle portion of the coupling head 15a and the coupling portion 15c in the upper leg portion 15b of the fastener element 15, and the spectral reflectance curves measured at the specific portion are compared with each other, whereby it is determined that the color of the 1 st element row 11a is different from the color of the 2 nd element row 11 b.
In addition, for example, in the case where the 1 st element row 11a and the 2 nd element row 11b are formed of the transparent monofilament 13 as in example 1, when the spectral reflectance curve is measured by a spectrophotometer, light transmitted through the transparent element row 11 (or the monofilament 13) is reflected on a background located on the back side of the element row 11 (or the monofilament 13), and the waveform of the spectral reflectance curve is affected in some cases.
Therefore, when the difference in color between the 1 st element row 11a and the 2 nd element row 11b is determined when at least one of the 1 st element row 11a and the 2 nd element row 11b is transparent, for example, 2 types of backgrounds are prepared, and the spectral reflectance curves of the 1 st element row 11a and the 2 nd element row 11b (or the 1 st monofilament 13a and the 2 nd monofilament 13b) are measured for each background by a spectrophotometer, and if the spectral reflectance curves of the 1 st element row 11a and the 2 nd element row 11b (or the 1 st monofilament 13a and the 2 nd monofilament 13b) are different from each other in either background, it is considered that the color of the 1 st element row 11a and the color of the 2 nd element row 11b are different from each other.
In example 1, when it is determined whether the 1 st color of the 1 st element row 11a, the 2 nd color of the 2 nd element row 11b, and the 3 rd color of the fastener tape 12 are the same color or different colors, the difference between the 1 st color and the 3 rd color (particularly, the difference between the 1 st color and the 2 nd color) can be easily determined by deriving RGB values of the respective portions from the measured spectral reflectance curves and comparing the obtained RGB values of the respective colors.
In this case, the fastener tape 12, the 1 st element row 11a, and the 2 nd element row 11b may be photographed by a digital camera with respect to the RGB values of the 1 st to 3 rd colors, and the RGB values of the 1 st to 3 rd colors may be analyzed from the photographed images. In this case, if the RGB values of the respective portions analyzed from the captured image are different, the spectral reflectance curves measured from the respective portions by the spectrophotometer are naturally different.
In particular, when comparing the RGB values of the 1 st element row 11a and the RGB values of the 2 nd element row 11b analyzed from the captured image, it is preferable to obtain the RGB values at a certain specific part of the fastener element 15 and compare the RGB values as in the case of the coupling head 15a and the intermediate part of the coupling portion 15c in the upper leg portion 15b of the fastener element 15, similarly to the measurement by the spectrophotometer. In this case, the RGB values of the 1 st to 3 rd color subjected to the color reduction processing may be compared to determine the difference in color.
In the left and right 1 st fastener stringer 10a and 2 nd fastener stringer 10b of embodiment 1, the sewing thread 14 (the 1 st sewing thread 14a on the left side and the 2 nd sewing thread 14b on the right side) sewing each element row 11 to the fastener tape 12 is formed to be opaque, and the 4 th color (for example, black) different from the 1 st color of the 1 st element row 11a, the 2 nd color of the 2 nd element row 11b, and the 3 rd color of the fastener tape 12 is presented. In the present invention, the sewing thread 14 of the sewing element row 11 may be formed to be transparent or may be used without being colored by a dyeing process or the like.
Although the left and right core ropes 16 of example 1 are not dyed, the core ropes 16 may be colored in any color in the present invention, and for example, the core ropes 16 may be colored in the same color as any of the 1 st to 4 th colors described above, or may be colored in a color different from any of the 1 st to 4 th colors.
Next, a method of manufacturing the slide fastener 1 of the above-described embodiment 1 will be described.
First, the 1 st and 2 nd filaments 13a and 13b made of polyethylene terephthalate not containing titanium dioxide are produced in predetermined lengths by a melt spinning method. Separately from the 1 st monofilament 13a and the 2 nd monofilament 13b, the left and right 1 st fastener tapes 12a and 12b are woven using synthetic fibers dyed in the 3 rd color.
Next, the produced 1 st monofilament 13a is wound on a dyeing reel, and the 1 st monofilament 13a is dyed under predetermined dyeing conditions. In the 1 st monofilament 13a dyeing process, the 1 st monofilament 13a is dipped into a dyeing vessel containing a predetermined dyeing solution for each reel around which the 1 st monofilament 13a is wound, and the 1 st monofilament 13a is dyed in a single 1 st color as a whole.
Separately from the dyeing of the 1 st monofilament 13a, the 2 nd monofilament 13b produced is also wound on a dyeing reel and subjected to dyeing under predetermined dyeing conditions. In the dyeing process of the 2 nd monofilament 13b, the 2 nd monofilament 13b is dipped into a dyeing vessel in which a predetermined dyeing liquid different from the dyeing liquid of the 1 st monofilament 13a is placed for each reel around which the 2 nd monofilament 13b is wound, and the 2 nd monofilament 13b is dyed in a single 2 nd color as a whole.
Next, the 1 st monofilament 13a dyed uniformly into the 1 st color is supplied to the element molding device, and an element molding step of forming the 1 st element row 11a is performed under predetermined molding conditions. In this element forming step, the 1 st monofilament 13a is partially pressed at predetermined intervals by press forming or the like to form the coupling head 15a, and the 1 st monofilament 13a is formed into a coil shape to form the 1 st element row 11 a.
By performing this element molding step, the 1 st element row 11a colored uniformly with the 1 st color can be stably formed without the 1 st color colored by the dyeing process falling or becoming lighter. Also, the element forming process similar to that of the 1 st monofilament 13a is performed on the 2 nd monofilament 13b under predetermined forming conditions, and the 2 nd element row 11b uniformly colored in the 2 nd color is formed.
In example 1, as described above, the 1 st monofilament 13a and the 2 nd monofilament 13b are dyed by the dyeing process, and then the dyed 1 st monofilament 13a and the dyed 2 nd monofilament 13b are subjected to the element forming step, thereby forming the 1 st element row 11a and the 2 nd element row 11b which are colored in predetermined colors and have mutually different spectral reflectance curves.
However, in the present invention, before the 1 st monofilament 13a and the 2 nd monofilament 13b are subjected to the dyeing process, the 1 st monofilament 13a and the 2 nd monofilament 13b may be subjected to the element forming step to form the 1 st element row 11a and the 2 nd element row 11b, and the 1 st element row 11a and the 2 nd element row 11b thus formed may be immersed in the dyeing vessel containing the dyeing liquid to dye the 1 st element row 11a and the 2 nd element row 11b, respectively, to form the 1 st element row 11a and the 2 nd element row 11b, respectively, which are colored in predetermined colors.
Next, in example 1, after the 1 st element row 11a and the 2 nd element row 11b dyed as described above are formed, for example, as shown in fig. 5, the core thread 16 is inserted between the upper leg portion 15b and the lower leg portion of the 1 st element row 11a and the 2 nd element row 11b obtained, respectively, and the 1 st element row 11a and the 2 nd element row 11b are engaged with each other. Further, the 1 st element row 11a and the 2 nd element row 11b are sewn to the tape side edge portion of the 1 st fastener tape 12a and the tape side edge portion of the 2 nd fastener tape 12b, respectively, by a double-lock stitch of the sewing thread 14 while the 1 st element row 11a and the 2 nd element row 11b inserted with the core thread 16 are kept engaged with each other.
Thereby, the left 1 st fastener stringer 10a and the right 2 nd fastener stringer 10b are manufactured (in this case, a fastener stringer in a state where the 1 st element row 11a and the 2 nd element row 11b are engaged with each other is manufactured).
Thereafter, the sliders 30 are attached to the 1 st element row 11a and the 2 nd element row 11b of the obtained 1 st fastener stringer 10a and 2 nd fastener stringer 10b, and the stoppers 5 and the separable bottom end stop 6 are formed on the 1 st fastener stringer 10a and the 2 nd fastener stringer 10b, whereby the slide fastener 1 of example 1 shown in fig. 1 is manufactured.
In the slide fastener 1 of the present embodiment 1 manufactured as described above, the 1 st element row 11a on the left side and the 2 nd element row 11b on the right side are formed of the same polyethylene terephthalate, and have different spectral reflectance curves, uniformly having different single colors from each other.
In this case, the color of the 1 st element row 11a and the 2 nd element row 11b applied by the dyeing process is prevented from dropping and becoming lighter at the time of manufacturing the slide fastener, and there is no problem that the right and left 1 st element rows 11a and the 2 nd element rows 11b are deteriorated in the engageability, the slidability of the slider 30 is lowered, and the fastener chain is easily bent in the tape width direction.
In addition, in the slide fastener 1 of example 1, the left and right 1 st element rows 11a and 2 nd element rows 11b are formed of colored transparent monofilaments 13, and therefore the respective element rows 11a and 11b are colored differently from each other and appear to have a shining brilliance. Further, not only the left and right 1 st element rows 11a and 2 nd element row 11b are different in color, but the left 1 st element row 11a is different in color from the left 1 st fastener tape 12a, and the right 2 nd element row 11b is different in color from the right 2 nd fastener tape 12 b. Therefore, the slide fastener 1 of example 1 is visually beautiful and colorful, and has excellent appearance quality.
In particular, in example 1, the left and right 1 st element rows 11a and 2 nd element rows 11b are colored not by the ink jet method but by a relatively simple dyeing process by dipping in a dyeing solution, and therefore, the slide fastener 1 having excellent appearance quality can be efficiently produced at low cost.
Further, as described above, the slide fastener 1 of example 1 in which the left and right 1 st element rows 11a and 2 nd element rows 11b are different in color can be produced in a small amount unlike the case where fastener elements are formed by adding a pigment to a synthetic resin material of monofilament as in the conventional case, and therefore, it is possible to easily cope with a large variety of products, such as a case where a product to which the slide fastener is attached, and it is also possible to quickly cope with the demand and popularity of a user.
Example 2
Fig. 6 is an enlarged view of a main part showing a main part of the 1 st fastener stringer and the 2 nd fastener stringer in the slide fastener of the embodiment 2 in an enlarged manner.
In the slide fastener 2 of example 2, the right 2 nd element row 21b and the 2 nd sewing thread 24b sewing the 2 nd element row 21b to the right 2 nd fastener tape 12b are different from the slide fastener 1 of example 1, and other members and portions other than these are formed substantially in the same manner as the slide fastener 1 of example 1. Therefore, in embodiment 2, the same reference numerals are given to the members and portions having substantially the same configurations as those of the slide fastener 1 of embodiment 1, and detailed descriptions thereof are omitted.
In the left-side 1 st fastener stringer 10a of example 2, similarly to the left-side 1 st fastener stringer 10a of example 1, the 1 st element row 11a is sewn to the tape side edge portion of the 1 st fastener tape 12a by the double-thread lock stitch of the 1 st sewing thread 14a in a state where the core thread 16 is inserted between the upper and lower leg portions of the 1 st element row 11 a.
On the other hand, in the 2 nd fastener stringer 20b on the right side of the present embodiment 2, the 2 nd element row 21b is sewn to the tape side edge portion of the 2 nd fastener tape 12b by the double-thread sewing of the 2 nd sewing thread 24b in a state where the core thread 16 is inserted between the upper leg portion 15b and the lower leg portion, wherein the 2 nd element row 21b exhibits an appearance different from the 2 nd element row 11b of the foregoing embodiment 1.
The 2 nd element row 21b of the present example 2 is formed by dyeing the 2 nd filament 23b of white made of polyethylene terephthalate containing 0.3 wt% or more of titanium dioxide in a color of 2 nd color (for example, light blue) and forming the dyed 2 nd filament 23 in a coil shape, wherein the 2 nd color is a color different from the 1 st color of the 1 st element row 11a on the left side and different from the 3 rd color of the 2 nd fastener tape 12 b.
By setting the content of titanium dioxide contained in the 2 nd monofilament 23b of example 2 to 0.3 wt% or more, the 2 nd monofilament 23b can be made opaque and the color of the 2 nd monofilament 23b itself can be made beautiful white.
By forming the spun 2 nd monofilament 23b in white in this way, when the 2 nd monofilament 23b is dyed in the 2 nd color by the dyeing treatment, the colored 2 nd color can be made to appear more clearly above white than when the transparent 2 nd monofilament 13b is dyed as in example 1 described above, for example. In this case, in order to appropriately secure the strength of the 2 nd element row 21b, the content of titanium dioxide contained in the 2 nd monofilament 23b is preferably set to 1.0 wt% or less.
In addition, the following cases exist in the past: for example, when a fastener tape and an element row are dyed in a state where a fastener chain is wound on a dyeing reel, titanium dioxide is contained in a very small amount of less than 0.1 wt% in a polyester forming the element row.
Since the polyester contains a very small amount of titanium dioxide as described above, the monofilament itself can be formed in a pale white color (in other words, in a cloudy state), and therefore, the color development of dyed dentition can be improved slightly. However, in the conventional dyeing process, the fastener element is dyed in a state of a long chain (in other words, in a state where the monofilament is molded into a coil shape and a folded element row), and therefore, color unevenness occurs in the dyed element row.
Therefore, conventionally, when the content of titanium dioxide in the monofilament is increased to 0.1 wt% or more, although the monofilament can be made whiter and the color development can be made clearer, when color unevenness occurs, the white color of the monofilament itself is easily recognized from the outside, and as a result, the color unevenness at the time of dyeing is also easily recognized and the appearance quality of the slide fastener is rather deteriorated. Therefore, in the dyeing treatment for dyeing the conventional fastener stringer, it is not disclosed that the content of titanium dioxide in the monofilament is set to 0.1 wt% or more for the purpose of clearly developing the color.
In contrast, in example 2, since the 2 nd monofilament 23b is wound around the dyeing reel in an unbent linear state before the 2 nd element row 21b is formed into a coil shape, and the dyeing process of the 2 nd monofilament 23b is performed, it is possible to realize that color unevenness is less likely to occur in the dyed 2 nd monofilament 23 b.
Therefore, even if the 2 nd monofilament 23b formed in beautiful white is dyed with the content of titanium dioxide in the 2 nd monofilament 23b of 0.3 wt% or more, the white color of the 2 nd monofilament 23b itself due to the color unevenness can be prevented from being recognized from the outside, and the color of the dyed 2 nd monofilament 23b can be expressed more clearly.
In example 2, the 1 st sewing thread 14a sewing the 1 st element row 11a on the left side to the 1 st element belt 12a is colored in the 4 th color different from the 1 st color of the 1 st element row 11a, the 2 nd color of the 2 nd element row 21b, and the 3 rd color of the element belt 12. Further, the 2 nd sewing thread 24b sewing the 2 nd element row 21b on the 2 nd fastener tape 12b on the right side exhibits the 5 th color different from the 1 st to 4 th colors described above. This makes it possible to make the slide fastener 2 of embodiment 2 look more clear.
In order to manufacture the slide fastener 2 of example 2, first, the 1 st monofilament 13a made of polyethylene terephthalate containing no titanium dioxide and the 2 nd white monofilament 23b made of polyethylene terephthalate containing 0.3 wt% or more of titanium dioxide are manufactured to predetermined lengths by a melt spinning method.
Next, the 1 st monofilament 13a was dyed in the 1 st color as in the case of example 1. The 2 nd monofilament 23b is wound on a dyeing reel, and the 2 nd monofilament 23b is dipped for each reel in a dyeing vessel containing a predetermined dyeing liquid different from the dyeing liquid of the 1 st monofilament 13a, thereby dyeing the 2 nd monofilament 23b into a single 2 nd color.
Next, the element forming step is performed on the dyed 1 st monofilament 13a and 2 nd monofilament 23b to form the 1 st element row 11a and the 2 nd element row 21b which are colored in the 1 st color and the 2 nd color, respectively, and have different spectral reflectance curves from each other. Thereafter, as in the case of example 1, the obtained 1 st element row 11a and 2 nd element row 21b are sewn to the tape side edge portions of the 1 st fastener tape 12a and the 2 nd fastener tape 12b, respectively, in a mutually engaged state by double-lock sewing of the sewing thread 14.
Thereby, the 1 st fastener stringer 10a on the left side and the 2 nd fastener stringer 20b on the right side are manufactured. Thereafter, sliders are attached to the obtained 1 st fastener stringer 10a and 2 nd fastener stringer 20b to form stoppers and separable bottom ends, thereby manufacturing the slide fastener 2 of the present embodiment 2.
In the slide fastener 2 of example 2 as described above, the left 1 st element row 11a and the right 2 nd element row 21b are formed of polyethylene terephthalate having the same main component, and have uniformly different single colors colored by the coloring treatment of the monofilament 13.
In this case, the colors applied to the 1 st element row 11a and the 2 nd element row 21b by the dyeing process can be prevented from falling or becoming lighter during the production of the slide fastener, and the following problems do not occur: the left and right 1 st element rows 11a and 2 nd element rows 21b are less engageable with each other, the slidability of the slider 30 is reduced, and the fastener chain is easily bent in the tape width direction.
In the slide fastener 2 of example 2, the 1 st element row 11a on the left side is colored with a brilliant brilliance by dyeing the transparent monofilament 13, while the 2 nd element row 21b on the right side is colored with a vivid color by dyeing the 2 nd monofilament 23b in white. Therefore, the difference in appearance between the 1 st element row 11a and the 2 nd element row 21b can be more clearly expressed by the synergistic effect of the left and right 1 st element rows 11a and 2 nd element rows 21b, and a novel appearance quality which has not been seen in the past can be obtained.
Further, in the slide fastener 2 of example 2, as in the slide fastener 1 of example 1, since the slide fastener 2 excellent in appearance quality can be manufactured at low cost and efficiently by coloring the slide fastener by the dyeing treatment based on the dipping into the dyeing liquid, and since the slide fastener can be produced in a small amount, for example, it is possible to easily cope with the case where the product to which the slide fastener is attached is produced in a large number of varieties and in a small amount, and it is also possible to quickly cope with the demand and popularity of the user.
In example 2, in the production of the 1 st fastener stringer 10a and the 2 nd fastener stringer 20b, the 1 st element row 11a and the 2 nd element row 21b having the spectral reflectance curves different from each other are formed by using different dyeing liquids when the 1 st monofilament 13a and the 2 nd monofilament 23b are dyed.
However, the 1 st monofilament 13a of example 2 is made of polyethylene terephthalate not containing titanium dioxide and is formed to be transparent, while the 2 nd monofilament 23b is made of polyethylene terephthalate containing 0.3 wt% or more of titanium dioxide and is formed to be white.
Therefore, when the 1 st monofilament 13a and the 2 nd monofilament 23b are dyed, the 1 st element row 11a and the 2 nd element row 21b having the spectral reflectance curves different from each other can be formed even if the 1 st monofilament 13a and the 2 nd monofilament 23b are dyed using the same dyeing liquid, instead of using different dyeing liquids as described above.
In this case, in the dyeing process of the 1 st monofilament 13a and the 2 nd monofilament 23b, the 1 st monofilament 13a and the 2 nd monofilament 23b are wound on the same or different dyeing reels, and the 1 st monofilament 13a and the 2 nd monofilament 23b are immersed on a reel-by-reel basis in a dyeing vessel containing a single dyeing liquid, whereby the 1 st monofilament 13a and the 2 nd monofilament 23b can be dyed in the same dyeing liquid, whereby the 1 st chain element row 11a and the 2 nd chain element row 21b having different appearances can be obtained.
For example, when the 1 st monofilament 13a and the 2 nd monofilament 23b are wound on separate dyeing reels, the 1 st monofilament 13a and the 2 nd monofilament 23b can be dyed by sequentially immersing the 1 st monofilament 13a and the 2 nd monofilament 23b in a dyeing vessel containing a single dyeing liquid.
In addition, when the 1 st and 2 nd monofilaments 13a and 23b are dyed using the same dyeing liquid, the 1 st and 2 nd monofilaments 13a and 23b may be wound on different dyeing reels, prepared in different dyeing vessels containing the same dyeing liquid, and then the 1 st and 2 nd monofilaments 13a and 23b may be immersed in the different dyeing vessels to perform dyeing.
Example 3
Fig. 7 is an enlarged view of a main part showing a main part of the 1 st fastener stringer and the 2 nd fastener stringer in the slide fastener of the embodiment 3 in an enlarged manner.
In the slide fastener 3 of example 3, the 1 st element row 21a on the left side and the 1 st sewing thread 24a sewing the 1 st element row 21a to the fastener tape 12 on the left side are different from the slide fastener 2 of example 2, but other components and portions other than these are formed substantially the same as those of the slide fastener 2 of example 2. Therefore, in example 3, the same reference numerals are given to members and portions having substantially the same configurations as those of the slide fasteners 1 and 2 of the above-described examples 1 and 2, and detailed description thereof will be omitted.
In the right 2 nd fastener stringer 20b of example 3, similarly to the right 2 nd fastener stringer 20b of example 2 described above, the 2 nd element row 21b is sewn to the tape side edge portion of the 2 nd fastener tape 12b by a double-thread lock stitch of the 2 nd sewing thread 24b in a state where the core thread 16 is inserted between the upper leg portion 15b and the lower leg portion, and the 2 nd element row 21b is formed of a white 2 nd monofilament 23b made of polyethylene terephthalate containing 0.3 wt% or more of titanium dioxide.
In addition, unlike the 1 st fastener stringer 10a of the foregoing embodiments 1 and 2, the 1 st element row 20a on the left side of the present embodiment 3 is formed of the 1 st white monofilament 23a formed of polyethylene terephthalate containing 0.3 wt% or more of titanium dioxide, and the 1 st element row 21a is sewn to the tape side edge portion of the 1 st fastener tape 12a by a double-lock stitch of the 1 st sewing thread 24a in a state where the core thread 16 is inserted between the upper leg portion 15b and the lower leg portion.
The 1 st element row 21a of this embodiment 3 is formed by dyeing the 1 st filament 23a of white color to a color of the 1 st color (for example, blue) and forming the dyed 1 st filament 23a into a coil shape, wherein the 1 st filament 23a is formed of polyethylene terephthalate containing 0.3 wt% or more of titanium dioxide, and the 1 st color is a color different from the 2 nd color of the 2 nd element row 21b on the right side and different from the 3 rd color of the 1 st fastener tape 12 a. In this case, in order to appropriately secure the strength of the 1 st element row 21a, the content of titanium dioxide contained in the 1 st filament 23a is preferably set to 1.0 wt% or less as in the 2 nd filament 23 b.
Also in this embodiment 3, the 1 st sewing thread 24a sewing the 1 st element row 21a on the left side to the 1 st fastener tape 12a exhibits the 6 th color different from the 1 st color of the 1 st element row 21a, the 2 nd color of the 2 nd element row 21b, the 3 rd color of the fastener tape 12, and the 5 th color of the 2 nd sewing thread 24 b.
When the slide fastener 3 of example 3 was produced, the 1 st and 2 nd filaments 23a and 23b each having a white color and made of polyethylene terephthalate containing 0.3 wt% or more of titanium dioxide were produced by a melt spinning method.
Next, similarly to the case of example 1, the 1 st monofilament 23a and the 2 nd monofilament 23b are wound on different dyeing reels, different dyeing vessels containing different predetermined dyeing liquids are prepared, and the 1 st monofilament 23a and the 2 nd monofilament 23b are immersed in the different dyeing vessels, respectively, to thereby perform the dyeing process of the 1 st monofilament 23a and the 2 nd monofilament 23 b.
Next, the dyed 1 st and 2 nd monofilaments 23a and 23b are subjected to an element forming process to form the 1 st and 2 nd element rows 21a and 21b, and then the obtained 1 st and 2 nd element rows 21a and 21b are sewn to the tape side edge portions of the 1 st and 2 nd fastener tapes 12a and 12b, thereby manufacturing the 1 st and 2 nd fastener stringers 20a and 20 b. Further, sliders are attached to the obtained 1 st fastener stringer 20a and 2 nd fastener stringer 20b, and stoppers and separable bottom ends are formed, thereby manufacturing the slide fastener 3 of example 3.
In the slide fastener 3 of example 3 as described above, the left 1 st element row 21a and the right 2 nd element row 21b are formed of the same polyethylene terephthalate, and have uniformly different single colors colored by the coloring treatment of the white 1 st filament 23a and the white 2 nd filament 23 b. Therefore, the slide fastener 3 of example 3 can make the 1 st element row 21a and the 2 nd element row 21b look vivid in different colors, and thus has a rich color, good appearance, and excellent appearance quality.
Further, in the slide fastener 3 of example 3, as in the case of examples 1 and 2, since the slide fastener 3 having excellent appearance quality can be manufactured at low cost and efficiently by coloring the slide fastener by the dyeing treatment based on the dipping into the dyeing liquid, and since the slide fastener can be produced in a small amount, for example, the slide fastener can be easily handled in a case where a product to which the slide fastener is attached is produced in a small amount of a plurality of kinds, and the demand, the popularity, and the like of the user can be quickly handled.
In addition, in the above-described examples 1 to 3, the left and right element rows of the slide fastener are formed by forming the monofilament into a coil shape, but the present invention is not limited thereto, and the element rows may be formed by forming the monofilament into a zigzag shape.
The element row of the present invention may be formed integrally with the fastener tape by attaching the fastener elements to the tape side edge portion of the fastener tape in a predetermined shape by injection molding. In this case, each of the injection-molded fastener elements is an independent fastener element formed separately from the fastener elements adjacent in the tape longitudinal direction in the element row.
The element row of the present invention may be formed by attaching the fastener element to a string-shaped coupling member in a predetermined shape by injection molding, for example. In this case, the fastener element row having the plurality of fastener elements and the string-like coupling member coupling the fastener elements is attached to the tape side edge portion of the fastener tape by sewing with a sewing thread after the dyeing process is performed, thereby forming the fastener stringer.
Description of the reference numerals
1. 2, 3 zipper
5 stop code (1 st stop code)
6 separable insert
6a cannula
6b seat tube
6c socket
10 zipper teeth chain belt
10a 1 st zipper teeth chain belt
10b 2 nd zipper teeth chain belt
11 rows of elements
11a 1 st element row
11b No. 2 element row
12 zipper tape
12a 1 st zipper tape
12b 2 nd zipper tape
13 monofilament
13a 1 st monofilament
13b No. 2 monofilament
14 Sewing thread
14a 1 st Sewing thread
14b 2 nd Sewing thread
15 zipper teeth
15a engaging head
15b upper leg part
15c connecting part
16-core rope
20a 1 st zipper teeth chain belt
20b 2 nd zipper teeth chain belt
21a 1 st element row
21b 2 nd element row
23a No. 1 monofilament
23b No. 2 monofilament
24a 1 st Sewing thread
24b 2 nd Sewing thread
30 slider
31 slider body
31a upper wing plate
31b pull tab mounting column
32 pull tab

Claims (7)

1. A slide fastener (1, 2, 3) having a pair of fastener stringers (10), the pair of fastener stringers (10) having 1 st element rows (11a, 21a) and 2 nd element rows (11b, 21b) formed on opposing tape side edge portions of a 1 st fastener tape (12a) and a 2 nd fastener tape (12b), respectively, the slide fastener being characterized in that,
the 1 st element rows (11a, 21a) and the 2 nd element rows (11b, 21b) are formed of synthetic resin and are dyed with a single color,
the 1 st element rows (11a, 21a) and the 2 nd element rows (11b, 21b) have mutually different spectral reflectance curves,
the 1 st element row (11a) is formed by a monofilament made of polyethylene terephthalate not containing titanium dioxide,
the 2 nd element row (21b) is formed by a monofilament made of polyethylene terephthalate containing 0.3 wt% to 1.0 wt% of titanium dioxide.
2. The slide fastener according to claim 1, wherein the 1 st element row (11a, 21a) and the 2 nd element row (11b, 21b) are formed of synthetic resin having the same material as a main component.
3. The slide fastener according to claim 1 or 2, wherein said 1 st element row (11a, 21a) has a spectral reflectance curve different from that of said 1 st fastener tape (12a), and said 2 nd element row (11b, 21b) has a spectral reflectance curve different from that of said 2 nd fastener tape (12 b).
4. A method of manufacturing a slide fastener, the slide fastener (1, 2, 3) having a pair of fastener stringers (10), the pair of fastener stringers (10) having 1 st element rows (11a, 21a) and 2 nd element rows (11b, 21b) formed on opposing tape side edge portions of a 1 st fastener tape (12a) and a 2 nd fastener tape (12b), respectively, the method comprising:
1 st monofilaments (13a, 23a) made of polyethylene terephthalate not containing titanium dioxide are dyed to a single color;
2 nd monofilaments (13b, 23b) made of polyethylene terephthalate and containing 0.3 wt% to 1.0 wt% of titanium dioxide are dyed into a single color with a spectral reflectance curve different from that of the 1 st monofilaments (13a, 23 a);
forming the 1 st monofilaments (13a, 23a) and the 2 nd monofilaments (13b, 23b) into the 1 st element rows (11a, 21a) and the 2 nd element rows (11b, 21b), respectively; and
the 1 st element rows (11a, 21a) and the 2 nd element rows (11b, 21b) are sewn to the tape side edge portions of the 1 st fastener tape (12a) and the 2 nd fastener tape (12b), respectively, with a sewing thread (14).
5. A method of manufacturing a slide fastener, the slide fastener (1, 2, 3) having a pair of fastener stringers (10), the pair of fastener stringers (10) having 1 st element rows (11a, 21a) and 2 nd element rows (11b, 21b) formed on opposing tape side edge portions of a 1 st fastener tape (12a) and a 2 nd fastener tape (12b), respectively, the method comprising:
forming 1 st monofilaments (13a, 23a) made of polyethylene terephthalate not containing titanium dioxide into 1 st element rows (11a, 21a), and dyeing the 1 st element rows (11a, 21a) into a single color;
forming 2 nd monofilaments (13b, 23b) made of polyethylene terephthalate containing 0.3 wt% to 1.0 wt% of titanium dioxide into the 2 nd element rows (11b, 21b), and dyeing the 2 nd element rows (11b, 21b) into a single color having a spectral reflectance curve different from that of the 1 st element rows (11a, 21 a); and
the dyed 1 st element rows (11a, 21a) and 2 nd element rows (11b, 21b) are sewn to the tape side edge portions of the 1 st fastener tape (12a) and 2 nd fastener tape (12b), respectively, with a sewing thread (14).
6. The method of manufacturing a slide fastener according to claim 4 or 5, comprising:
the 1 st monofilament (13a) or the 1 st element row (11a), and the 2 nd monofilament (23b) or the 2 nd element row (21b) are dyed with the same dyeing liquid.
7. The method of manufacturing a slide fastener according to claim 4 or 5, comprising:
the 1 st monofilament (13a) or the 1 st element row (11a), and the 2 nd monofilament (23b) or the 2 nd element row (21b) are dyed with different dyeing liquids.
CN201480082172.6A 2014-10-27 2014-10-27 Slide fastener and method for manufacturing slide fastener Active CN106714610B (en)

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WO2016067344A1 (en) 2016-05-06
DE112014007104T5 (en) 2017-07-20
JP3212435U (en) 2017-09-14
DE112014007104B4 (en) 2023-05-17
US20170208906A1 (en) 2017-07-27

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