Abstract: A liquid-tight slide fastener, wherein a pair of right and left coil-like coupling element rows, through which a core thread is respectively passed, is attached by sewing along opposing side edges of a pair of right and left fastener tapes, the fastener tapes having a liquid-tight layer on one surface thereof, and the core thread is coated with a water repellent agent or oil repellent agent. Consequently, even if water or oil invades into a space portion in the coupling element rows through a joint portion in the liquid-tight slide fastener, the core thread repels the water or oil, thereby blocking a further invasion of water or oil, and exerting excellent water repellency or oil repellency without provision of a water stop flap.

Abstract: A liquid-tight slide fastener, wherein a pair of right and left coil-like coupling element rows, through which a core thread is respectively passed, is attached by sewing along opposing side edges of a pair of right and left fastener tapes, the fastener tapes having a liquid-tight layer on one surface thereof, and the core thread is coated with a water repellent agent or oil repellent agent. Consequently, even if water or oil invades into a space portion in the coupling element rows through a joint portion in the liquid-tight slide fastener, the core thread repels the water or oil, thereby blocking a further invasion of water or oil, and exerting excellent water repellency or oil repellency without provision of a water stop flap.

Abstract: A liquid-tight slide fastener, wherein a pair of right and left coil-like coupling element rows, through which a core thread is respectively passed, is attached by sewing along opposing side edges of a pair of right and left fastener tapes, the fastener tapes having a liquid-tight layer on one surface thereof, and the core thread is coated with a water repellent agent or oil repellent agent. Consequently, even if water or oil invades into a space portion in the coupling element rows through a joint portion in the liquid-tight slide fastener, the core thread repels the water or oil, thereby blocking a further invasion of water or oil, and exerting excellent water repellency or oil repellency without provision of a water stop flap.

Abstract: A waterproof slide fastener in which an entire surface of a fastener tape is covered with elastomer, through holes are made in a side edge of the fastener tape, and fastener elements each comprising a coupling head, a neck portion, an engaging projection, a leg portion and a tongue piece, are molded by injection molding so as to cover the through holes. Reinforcing portions are provided projectingly from sides of the leg portion so as to cover at least a part of each of the through holes in a longitudinal direction of the through holes made in the fastener tape so that the reinforcing portions surround the through holes, so the reinforcing portions prevent the through holes from being exposed even when the fastener tape is bent, thereby maintaining water-tightness and airtightness.

Abstract: An article with a slide fastener in which when a tearing force is applied to an article provided with a slide fastener and a slider makes contact with an end stop, a connecting member having flexibility and connecting between rear faces of right and left fastener stringers is disposed at a position on a side of a fastener element near the end stop, at which the force is not transmitted directly to the slider, a covering tape for covering at least the end stop and the connecting member is disposed on a rear face of the article, so that fastener elements and end stop are blocked from being damaged or the fastener elements are prevented from being dropped out of a fastener tape by a tearing force, and the connecting member is prevented from being hooked or caught by the slider so as to always realize a smooth slider operation.

Abstract: The invention provides a waterproof top end stop for a slide fastener for enhancing its waterproof and airproof properties, wherein fastener elements are attached to opposing side edges of a pair of waterproof fastener tapes, an elastic top end stop is attached adjacent to the fastener elements and includes an accommodating portion in a center for accommodating a diamond; protrusions projecting in a front/rear surface direction around the accommodating portion and making a pressure contact with inner faces of blades; passage portions at entrances of the top end stop; and pressing portions on outer edges of insertion leg portions of the top end stop corresponding to the passage portions, outer sides of the pressing portions project outward with respect to contact faces of leg portions of an adjacent fastener element, and the pressing portions are pressed by flanges of the slider and the passage portions are closed firmly simultaneously.

Abstract: Various embodiments of top end stops for a slide fastener are made of resin and are each formed adjacent to an end portion of each of two rows of coupling elements provided along edge portions of a pair of fastener tapes. Each of the top end stops has a concave portion on an opposed face to the other top end stop, and each of the concave portions accomodate a slider therebetween when the slide fastener is colsed. A gap is formed between each top end stop and a coupling element disposed at the end portion of each row of the coupling elements, and an overlapping portion is formed in a bottom end of one of the top end stops, such that a coupling head of a mating coupling element is capable of overlapping the overlapping portion.

Abstract: A waterproof slide fastener and a manufacturing apparatus thereof are disclosed, wherein each fastener element has a coupling head, a neck portion, a body portion, and leg portions which are continuously fused and integrated, a terminal end is projected from a gap between upper/lower half portions of the coupling head, upper/lower flanges of a slider make a sliding contact with a surface of each of upper/lower half portions of each leg portion, each half portion of the leg portion extending from the body portion via a crotch portion and guiding the flanges, two or more leg portions are disposed with a predetermined interval in a sliding direction, an entire shoulder width of a shoulder portion is larger than a body width of the body portion if it is provided, thereby intensifying fixing strength between a fastener tape and fastener elements and waterproofness, and allowing a smooth sliding of a slider.

Abstract: A slide fastener, wherein in the fastener chain openable and closable from both ends thereof, a box pin and the insert pin, which can join with or separate from each other, are provided at least on an end of the fastener chain; and a protrusion facing the insert pin and projecting from an opposing face is provided at a front end of the box pin; the protrusion has slopes inclined in a direction of approaching the insert pin on upper and lower sides of the protrusion; and the lower side of the protrusion makes contact with a diamond of the reverse opening slider, while the upper side of the protrusion can guide the insert pin smoothly when the pin is inserted.

Abstract: A liquid-tight slide fastener, wherein a pair of right and left coil-like coupling element rows, through which a core thread is respectively passed, is attached by sewing along opposing side edges of a pair of right and left fastener tapes, the fastener tapes having a liquid-tight layer on one surface thereof, and the core thread is coated with a water repellent agent or oil repellent agent. Consequently, even if water or oil invades into a space portion in the coupling element rows through a joint portion in the liquid-tight slide fastener, the core thread repels the water or oil, thereby blocking a further invasion of water or oil, and exerting excellent water repellency or oil repellency without provision of a water stop flap.

Abstract: A waterproof slide fastener and a manufacturing apparatus thereof, wherein each fastener element has a coupling head, a neck portion, a body portion, and leg portions which are continuously fused and integrated, a terminal end is projected from a gap between upper/lower half portions of the coupling head, upper/lower flanges of a slider make a sliding contact with a surface of each of upper/lower half portions of each leg portion, each half portion of the leg portion is formed in a flat plate shape with a step and thinner than each half portion of the neck portion and the body portion in a direction perpendicular to a plane in which the fastener tape lies, and extending from the body portion via a crotch portion and guiding the flanges, two or more leg portions are disposed with a predetermined interval in a sliding direction.

Abstract: An article with a slide fastener in which when a tearing force is applied to an article provided with a slide fastener and a slider makes contact with an end stop, a connecting member having flexibility and connecting between rear faces of right and left fastener stringers is disposed at a position on a side of a fastener element near the end stop, at which the force is not transmitted directly to the slider, a covering tape for covering at least the end stop and the connecting member is disposed on a rear face of the article, so that fastener elements and end stop are blocked from being damaged or the fastener elements are prevented from being dropped out of a fastener tape by a tearing force, and the connecting member is prevented from being hooked or caught by the slider so as to always realize a smooth slider operation.

Abstract: The invention provides a waterproof slide fastener and a manufacturing apparatus thereof, wherein each fastener element has a coupling head, a neck portion, a body portion, and leg portions which are continuously fused and integrated, a terminal end is projected from a gap between upper/lower half portions of the coupling head, upper/lower flanges of a slider make a sliding contact with a surface of each of upper/lower half portions of each leg portion, each half portion of the leg portion extending from the body portion via a crotch portion and guiding the flanges, two or more leg portions are disposed with a predetermined interval in a sliding direction, an entire shoulder width of a shoulder portion is larger than a body width of the body portion if it is provided, thereby intensifying fixing strength between a fastener tape and fastener elements and waterproofness, and allowing a smooth sliding of a slider.

Abstract: A waterproof slide fastener in which an entire surface of a fastener tape is covered with elastomer, through holes are made in a side edge of the fastener tape, and fastener elements each comprising a coupling head, a neck portion, an engaging projection, a leg portion and a tongue piece, are molded by injection molding so as to cover the through holes. Reinforcing portions are provided projectingly from sides of the leg portion so as to cover at least a part of each of the through holes in a longitudinal direction of the through holes made in the fastener tape so that the reinforcing portions surround the through holes, so the reinforcing portions prevent the through holes from being exposed even when the fastener tape is bent, thereby maintaining water-tightness and airtightness.

Abstract: The invention provides a waterproof top end stop for a slide fastener for enhancing its waterproof and airproof properties, wherein fastener elements are attached to opposing side edges of a pair of waterproof fastener tapes, an elastic top end stop is attached adjacent to the fastener elements and includes an accommodating portion in a center for accommodating a diamond; protrusions projecting in a front/rear surface direction around the accommodating portion and making a pressure contact with inner faces of blades; passage portions at entrances of the top end stop; and pressing portions on outer edges of insertion leg portions of the top end stop corresponding to the passage portions, outer sides of the pressing portions project outward with respect to contact faces of leg portions of an adjacent fastener element, and the pressing portions are pressed by flanges of the slider and the passage portions are closed firmly simultaneously.

Abstract: A slide fastener, wherein in the fastener chain openable and closable from both ends thereof, a box pin and the insert pin, which can join with or separate from each other, are provided at least on an end of the fastener chain; and a protrusion facing the insert pin and projecting from an opposing face is provided at a front end of the box pin; the protrusion has slopes inclined in a direction of approaching the insert pin on upper and lower sides of the protrusion; and the lower side of the protrusion makes contact with a diamond of the reverse opening slider, while the upper side of the protrusion can guide the insert pin smoothly when the pin is inserted.

Abstract: Top end stops for slide fastener in which front ends of its fastener chains are opened and no wrinkle is produced by a diamond of a slider, wherein a top end stop is molded with resin such that it includes a notch portion provided on an edge portion of a pair of fastener tapes and the top end stop is formed on a top face of the notch portion; the top end stop is formed at an end portion of a coupling element row with a gap from the coupling element, and a concave portion is formed to allow a diamond of a slider to escape; and an overlapping portion that a coupling head of a mating coupling element is capable of joining is formed at a bottom end of one of the top end stops, whereby the fastener chain can be closed completely by a slider, so that specified waterproof property and water cutout performance are secured.

Abstract: The invention provides a waterproof slide fastener and a manufacturing apparatus thereof, wherein each fastener element has a coupling head, a neck portion, a body portion, and leg portions which are continuously fused and integrated, a terminal end is projected from a gap between upper/lower half portions of the coupling head, upper/lower flanges of a slider make a sliding contact with a surface of each of upper/lower half portions of each leg portion, each half portion of the leg portion extending from the body portion via a crotch portion and guiding the flanges, two or more leg portions are disposed with a predetermined interval in a sliding direction, an entire shoulder width of a shoulder portion is larger than a body width of the body portion if it is provided, thereby intensifying fixing strength between a fastener tape and fastener elements and waterproofness, and allowing a smooth sliding of a slider.

Abstract: A fastener which allows to distinguish a genuine fastener from a forged one. An identification yarn containing substance with different optical reactions to irradiation of visible light and to irradiation of infrared rays of a specific wavelength is disposed at a specified position in the tape which is a component of the fastener. As a result, discrimination between genuine and false fasteners can be done safely without damaging the human health.

Abstract: An improved inflatable tent includes a plurality of inflatable hollow rounded units (1), each tent unit 1 including an outer sheet (4) and an inner sheet (5) connected to each other at their respective ends, a side sheet (6) connecting the outer sheet (4) and the inner sheet (5) along their opposed sides, the side sheet (6) constituting a connecting portion (9), and a floor sheet (8) integrally connected to the lower end of the inner sheet (5). A pair of outer and inner water-impervious slide fasteners (10) are mounted between each pair of adjacent tent units (1) along the outside and insider thereof for joining the pair of adjacent tent units (1) of the tent.