The present invention discloses a bottom stop device of double-open end zipper and assembly structure thereof. The bottom stop device can be used in double-open end anti-pinch zippers and double-open end invisible zippers. It includes a stopper pin unit and a movable pin unit for injection molding at the lower end of the two chain straps, so that the two zipper sliders can slide to the stopper pin unit. The movable pin of the movable pin can be inserted into the two zipper sliders to fit with the stopper pin unit, and the movable pin can also be withdrawn from the two zipper sliders in reverse to separate the two chain straps from each other.

A garment or accessory includes a fabric portion including an opening and a zipper arrangement to selectively close the opening. The zipper arrangement includes a first toothed portion fixedly coupled to the fabric portion along the at least one opening, and a second toothed portion fixedly coupled to the fabric portion along the opening. The zipper arrangement also includes two sliders. Each slider is slidably received on each of the first toothed portion and the second toothed portion so as to selectively engage the first toothed portion with the second toothed portion and disengage the first toothed portion from the second toothed portion. The zipper arrangement also includes at least one stop formed by the first toothed portion and the second toothed portion such that the first toothed portion is non-releasably engaged with the second toothed portion at the at least one stop.

A slide fastener includes first and second stringers, an intermediate body, a first slider, and a second slider. The first and second stringers are separated by a first lateral distance in a first longitudinal portion, the first and second stringers are separated by a second lateral distance in a second longitudinal portion. A transition portion extending along at least a portion of a longitudinal extent of the intermediate body interposes the first and second longitudinal portions, and the second lateral distance is greater than the first lateral distance.

This disclosure describes a slide fastener having multiple slider tracks and multiple slider bodies that converge at a central hub.

A zipper fastener system is provided for removably connecting separate structures. More particularly, a zipper fastener system is provided having connection sections attached to independent pieces that may be secured to and removed from each other utilizing two sliders, such that, when the connection sections are secured to each other, the two sliders permit an access opening of variable length and location along the connection sections and permit adjustments from either side of the zipper fastener system.

A double open end zipper for both end positioning-based luggage includes first and second housing members respectively equipped with an N-shaped plastic strip at the rim thereof, and a double open end zipper including first and second zipper tapes respectively stitched to the N-shaped plastic strips at the first and second housing members in reversed directions with the box and pin of the first zipper tape respectively disposed adjacent to the pin and box of the second zipper tape subject to the guidance of a mark line at each N-shaped plastic strip, a seam allowance constraint block located at an outer rear side of the box of each of the first and second zipper tapes, two zipper sliders respectively coupled to first and second zipper tapes, allowing adjustment of the combined storage capacity defined in between the first and second housing members.

A separable bottom end stop for a reverse opening-type slide fastener, in which left and right element rows of left and right fastener stringers can be opened from an upper end and a lower end, the slide fastener includes a lower slider for opening the left and right element rows from the lower end, the lower slider includes a locking claw, which is elastically biased to a protruded position protruding into an element guide path of the lower slider, an insert pin connected to the lower end of one of the left and right element rows, and a box pin connected to the lower end of the other of the left and right element rows. At least one of the box pin and the insert pin includes a release groove capable of receiving the locking claw on a side surface opposing to the other side surface.

The present invention provides a double-separating and double-pulling zipper comprising a left tape extension, a right tape extension, a first slider, a second slider, two zipper teeth row. The two zipper teeth row are respectively arranged on the inner edges of the left tape extension and the right tape extension. The first slider and the second slider are slidably arranged on the two zipper teeth row, and the first slider and the second slider are pulled so that the left tape extension and the right tape extension are opened or closed. Therefore, the zipper of the present invention can be opened and closed in a two-way manner, making it applicable to partition structures to achieve the effect of space separation. Further, the zipper made of plastic materials can be applied to patient gowns, allowing patients to undergo MRI examinations directly while maintaining their self-esteem during various examinations.

A garment or accessory includes a fabric portion including an opening and a zipper arrangement to selectively close the opening. The zipper arrangement includes a first toothed portion fixedly coupled to the fabric portion along the at least one opening, and a second toothed portion fixedly coupled to the fabric portion along the opening. The zipper arrangement also includes two sliders. Each slider is slidably received on each of the first toothed portion and the second toothed portion so as to selectively engage the first toothed portion with the second toothed portion and disengage the first toothed portion from the second toothed portion. The zipper arrangement also includes at least one stop formed by the first toothed portion and the second toothed portion such that the first toothed portion is non-releasably engaged with the second toothed portion at the at least one stop.

A zipper fastener system is provided for removably connecting separate structures. More particularly, a zipper fastener system is provided having connection sections attached to independent pieces that may be secured to and removed from each other utilizing two sliders, such that, when the connection sections are secured to each other, the two sliders permit an access opening of variable length and location along the connection sections and permit adjustments from either side of the zipper fastener system.