Method of manufacturing continuous fastener element
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United States of America Patent
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Jan 5, 2016
Grant Date -
Apr 17, 2014
app pub date -
Dec 19, 2013
filing date -
Mar 27, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A continuous fastener element including: a coupling head; upper and lower leg portions; and a connecting portion wherein surfaces of the coupling head, the leg portions, and the connecting portion are each formed as a rough surface with a plurality of recesses. Furthermore, a head surface of the coupling head of the continuous fastener element is formed to have an average roughness Ra smaller than that of outer peripheral surfaces of the leg portions. Accordingly, gloss and luster of the continuous fastener element may be easily reduced or removed. Furthermore, when the slide fastener is formed, the resistance between the coupling heads of the left and right continuous fastener elements may be made small and the left and right element rows may smoothly engage with each other or disengage from each other.
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International Classification(s)
- D01D:MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- B29D:PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FRO....
- D02J:FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS....
- D02G:CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR T....
- A44B:BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LI....
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