摘要:
A double coil layer zipper having each coil-supporting bigger filter cord thereof compacted to provide an extended side edge that is stopped against the coil heads of the respective series of coils, and the coil body of each coil of the interlocking series of teeth thereof configured to provide a recessed face and two opposing side flanges that enhance the locking tightness between the left-handed and right-handed series of coils. The zipper slider of the double coil layer zipper has a front balance tongue for guiding the left-handed and right-handed series of coils between the jointing position and the opening position smoothly.
摘要:
A double coil layer zipper having each coil-supporting bigger filler cord (20) thereof compacted to provide an extended side edge that is stopped against the coil heads (211) of the respective series of coils (21), and the coil body (212) of each coil of the interlocking series of teeth (2) thereof configured to provide a recessed face (2120) and two opposing side flanges (2124) that enhance the locking tightness between the left-handed and right-handed series of coils. The zipper slider of the double coil layer zipper has a front balance tongue (431) for guiding (4311) the left-handed and right-handed series of coils between the jointing position and the opening position smoothly.
摘要:
A double coil layer zipper having each coil-supporting bigger filter cord thereof compacted to provide an extended side edge that is stopped against the coil heads of the respective series of coils, and the coil body of each coil of the interlocking series of teeth thereof configured to provide a recessed face and two opposing side flanges that enhance the locking tightness between the left-handed and right-handed series of coils. The zipper slider of the double coil layer zipper has a front balance tongue for guiding the left-handed and right-handed series of coils between the jointing position and the opening position smoothly.