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Method for production of slide fastener or stringers thereof

A zipper and half-edge technology, applied in clothing, metal material coating process, fasteners, etc., can solve the problems of destroying the uniformity of chemical polishing, increasing the cost of raw materials and required energy, and material deterioration.

Inactive Publication Date: 2004-10-13
YKK CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the chemical polishing process has the problem of high cost due to the increase in the cost of raw materials and the required energy cost due to multiple composition steps.
In addition, the fact that there are so many steps of composition as described above also brings problems such as discoloring and deteriorating the material of the pre-dyed zipper tape
[0006] In addition, the chemical polishing treatment with the hydrogen peroxide-containing liquid as described above also has the problem that hydrogen peroxide decomposes during the treatment to generate bubbles, and the generated bubbles adhere to the outer surface of the joining member, resulting in deterioration of the uniformity of the chemical polishing.

Method used

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  • Method for production of slide fastener or stringers thereof
  • Method for production of slide fastener or stringers thereof
  • Method for production of slide fastener or stringers thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] A slide fastener half having a copper alloy joining member composed of 85% Cu and 15% Zn was acid-treated by immersing it in an acid treatment solution kept at 30° C. for 2 minutes.

[0069]An acidic aqueous solution containing 1 g / l polyoxyethylene oleyl ether as a surfactant, 80 g / l hydrogen peroxide, 20 g / l sulfuric acid, 0.5 g / l phosphoric acid and 20 g / l methanol was used as an acidic treatment solution.

[0070] Then, remove the acid treatment solution contained in the zipper tape by vacuum dehydration, so as to facilitate water washing in the next step.

[0071] Then as a washing step, the zipper halves are vigorously sprayed with water, immediately vacuum-dried, immersed in water, and immediately vacuum-dried again.

[0072] In order to thoroughly remove the acidic treatment liquid contained in the fastener tape, the above water washing steps consisting of spraying, dehydration, dipping and dehydration were repeated three times.

[0073] The surface condition o...

Embodiment 2

[0080] In the same manner as in Example 1, a slide fastener half having a copper alloy joining member composed of 85% Cu and 15% Zn was acid-treated by immersing it in an acid treatment solution kept at 30° C. for 2 minutes, and then washed with water. Wherein the acid treatment liquid used is identical with that used in embodiment 1. The water washing step was performed in the same manner as in Example 1.

[0081] Next, the acid-treated slide fastener half was immersed in an aqueous solution containing 1 g / l of 1,1,1-benzotriazole at room temperature for 30 seconds to perform antirust treatment.

[0082] Then, the antirust slide fastener half was dehydrated, placed in a drying device, and dried therein by blowing hot air at 130° C. for 3 minutes.

[0083] Subsequently, an acryl-urethane based clear paint was applied to the outer surface of the engaging member on the half of the slide fastener with a roller, and the paint layer was dried with hot air at 110° C., whereby a cle...

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Abstract

Coupling elements of a slide fastener or stringer thereof manufactured by cutting and forming a multiplicity of coupling elements from a linear material of copper or a copper alloy and fixing the coupling elements as spaced with a prescribed interval to the longitudinal edge of a fastener tape are immersed in an acidic treating liquid containing hydrogen peroxide, sulfuric acid, phosphoric acid, a surfactant, and an aliphatic alcohol to effect acid treatment thereby smoothing the outer surfaces of the coupling elements. The acid-treated outer surfaces of the coupling elements of the slide fastener or stringer thereof may be further subjected to a rustproofing treatment. The rustproofed outer surfaces of the coupling elements may be further subjected to a clear coating treatment. The acid-treated outer surfaces of the coupling elements may be further plated.

Description

technical field [0001] The present invention relates to a method for the production of a slide fastener or half thereof having engaging members made of copper or a copper alloy. Background technique [0002] Hitherto, in slide fasteners or half sides thereof having joint members made of copper or copper alloys, the joint members made of copper or copper alloys are generally made as follows: As shown in FIG. A plurality of joining member blanks 2' with a prescribed thickness are cut on a linear material 1 made of alloy and having a prescribed cross-sectional shape conforming to the shape of the joining member, and then, as shown in FIG. Form the recesses 3 and protrusions 4 for engaging or snapping the joining members on opposite sides of the piece, and then the joining members 2 thus cut and formed are successively fixed on the longitudinal sides of the zipper tape 5 at regular intervals. As a result, in the process of cutting the above-mentioned linear material 1, cut mark...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D53/54A44B19/42C23C22/07C23F3/06
CPCA44B19/42C23F3/06
Inventor 富山隆史
Owner YKK CORP
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