In at least a part of a movable range of a slider, a slider upper portion is positioned adjacent to a wall upper portion, and a slider lower portion is positioned adjacent to a wall lower portion. This prevents jamming of a cloth in the slider at both sides of the tape upper and lower surfaces.

A sealing zipper according to an embodiment includes a first chain portion, a second chain portion, a chain fixing portion, and a watertight portion. The second chain portion is coupled to the first chain portion. The chain fixing portion is coupled to one end portion of the first chain portion and one end portion of the second chain portion. The watertight portion is positioned between the first chain portion and the second chain portion and disposed to be partially inserted into the chain fixing portion.

A sealing zipper according to an embodiment includes a first chain portion, a second chain portion, a chain fixing portion, and a watertight portion. The second chain portion is coupled to the first chain portion. The chain fixing portion is coupled to one end portion of the first chain portion and one end portion of the second chain portion. The watertight portion is positioned between the first chain portion and the second chain portion and disposed to be partially inserted into the chain fixing portion.

The present disclosure discloses a zipper comprising two zipper tapes and a zipper puller. The two zipper tapes are fastened or separated at the same time via the zipper puller; each zipper tape includes a fixing seat, a side barrier strip and a barbed strip, wherein the side barrier strip and the barbed strip are integrally formed on one side of the fixing seat, a slot is formed between the side barrier strip and the barbed strip, the barbed strip on one set of zipper tape fits into the slot on the other set of zipper tape, the end of the barbed strip away from the fixing seat is provided with barbs, the slot is provided with barb grooves, and the barbs on one set of zipper tape fit into the barb grooves on the other set of zipper tape. The present disclosure further reduces the production cost of zippers.

The prevent invention provides a zipper head assembly structure and a sliding assembly thereof. The zipper head assembly structure includes a sliding assembly and a pulling member. The sliding assembly has a base portion, a seat portion, a cover sheet, a spring component, and a retaining member. The cover sheet is disposed on the seat portion. The spring component is disposed inside the seat portion and between the cover sheet and the retaining member. The retaining member is movably disposed on the seat portion and movably contacts the spring component. The pulling member is movably mated with the retaining member. The spring component has a first contacting side contacting the retaining member and a second contacting side, and the cover sheet has a first end portion contacting the second contacting side and a second end portion separated from the retaining member.

The prevent invention provides a zipper head assembly structure and a sliding assembly thereof. The zipper head assembly structure includes a sliding assembly and a pulling member. The sliding assembly has a base portion, a seat portion, a cover sheet, a spring component, and a retaining member. The cover sheet is disposed on the seat portion. The spring component is disposed inside the seat portion and between the cover sheet and the retaining member. The retaining member is movably disposed on the seat portion and movably contacts the spring component. The pulling member is movably mated with the retaining member. The spring component has a first contacting side contacting the retaining member and a second contacting side, and the cover sheet has a first end portion contacting the second contacting side and a second end portion separated from the retaining member.

Elements are made of a polyacetal resin, which can effectively improve the chain crosswise strength while maintaining wear resistance. Provided is a fastener element made of a polyacetal resin composition containing 5 to 30% by mass of reinforcing fibers each having an average fiber diameter of 5 to 15 μm and a numeric average fiber length of 150 to 500 μm.

Elements are made of a polyacetal resin, which can effectively improve the chain crosswise strength while maintaining wear resistance. Provided is a fastener element made of a polyacetal resin composition containing 5 to 30% by mass of reinforcing fibers each having an average fiber diameter of 5 to 15 μm and a numeric average fiber length of 150 to 500 μm.

A slide fastener includes a first tape with a plurality of first elements, a second tape with a plurality of second elements, and a slider element configured to interface with the first tape and the second tape. The slider element includes a body portion and a removable portion that are configured to selectively mechanically engage/disengage with one another.

A slide fastener includes a first tape with a plurality of first elements, a second tape with a plurality of second elements, and a slider element configured to interface with the first tape and the second tape. The slider element includes a body portion and a removable portion that are configured to selectively mechanically engage/disengage with one another.