Abstract: A button back which makes it possible to form the front surface of a button to be a circular shape; a shell cap hard to be rotated; and an umbrella part hard to be deformed. The button back is made of metal, including a cylindrical part and an umbrella part extending radially outward from one axial end of the cylindrical part. The umbrella part includes a first bending part which extends radially outward from the one axial end of the cylindrical part and then bends on the opposite side of the cylindrical part. An outer periphery, including a radially outer end, of the first bending part has a polygonal shape including at least three corners and sides which extend between two circumferentially adjacent corners. The umbrella part includes flat plates extending radially outward from the radially outer end, corresponding to the sides, of the first bending part.

Abstract: A slide fastener reinforcement tape is provided that exhibits high performance launderability and peel strength between a reinforcement tape and a fastener tape, in environments harsher than those set forth in the prior art. Specifically, provided is a slide fastener reinforcement tape formed by laminating an adhesive layer on the back surface of a transparent elastomer film, wherein the slide fastener reinforcement tape is characterized in that the adhesive layer is a polyester-based hot-melt adhesive, a two-part type curable adhesive or a polyamide-based hot-melt adhesive, and the melting point of the adhesive layer is higher than 120° C. and no more than 160° C. and the melt viscosity at 200° C. is higher than 2000 poise and no more than 5500 poise.

Abstract: 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 ?m and a numeric average fiber length of 150 to 500 ?m.

Abstract: There is provided a slider assembly for a slide fastener, including: a slider body; a pull-tab; and a resilient locking member. The pull-tab is provided with a window aligned with an aperture in an upper wing of the slider body when the pull-tab is in a first angular end position. A distal end of the locking member extends towards a guide channel through the window and the aperture. The locking member is configured to be resiliently biased towards a locking position where a distal end thereof protrudes in the guide channel. A proximal end of the pull-tab has a cam cooperating with the locking member such that the locking member takes the locking position when the pull-tab is in the first angular end position, and the locking member is moved towards an unlocking position when the pull-tab is pivoted away from the first angular end position.

Abstract: Provided is a slider having appearance or texture which cannot be obtained with a slider body made of metal or synthetic resin in the related art and further having properties superior than those of sliders in the related art. A slider of an embodiment of the invention includes a slider body formed by sintered bodies containing zirconium oxide as a main component and a tab held by a tab attaching portion of the slider body.

Abstract: To provide an electric slide fastener system that can operate appropriately according to a state of an electric slider. An electric slide fastener system includes a slide fastener chain that includes a pair of fastener tapes and element rows including a plurality of elements fixed to the respective fastener tapes, a slider that moves with respect to the slide fastener chain, a power supply that supplies power for the slider to move with respect to the slide fastener chain, and a driving part to which the power is supplied from the power supply and that moves the slider with respect to the slide fastener chain. The elements pass through the slider to open or close the element rows. The slider is powered from outside.

Abstract: An integrally moldable molded surface fastener retains practical rigidity, while having attraction force to a magnet and is prevented from being easily broken during attachment and detachment handlings to and from loop-shaped engaging elements. A first resin composition including 80% by mass or more of a thermoplastic polyester and containing no magnetic material is used in at least a part of a substrate portion, and a second resin composition containing a thermoplastic polyester, a thermoplastic polyester elastomer and a magnetic material at a certain proportion is used in at least a part of engaging elements of the molded surface fastener.

Abstract: A cap and washer fastener assembly includes a cap with an upper surface and a lower surface with a post extending from the lower surface. The assembly also includes a washer with an upper surface, a lower surface, and a hole. The assembly includes an assembled configuration wherein the post of the cap is inserted into the hole of the washer and a portion of the post is permanently deformed within the cavity. In the assembled configuration, a substrate layer is disposed between the cap and the washer. The cap and washer are configured so they are prevented from rotating relative to one another and relative to the substrate when in the assembled configuration.

Abstract: Provided is a polyamide resin composition that is suitable as a material for slide fastener parts having good strength after being dyed. A polyamide resin composition for a slide fastener, comprising a polyamide resin and reinforcing fibers, wherein a total mass of the polyamide resin and the reinforcing fibers is 90% by mass or more of the composition; wherein a proportion of an aromatic polyamide having a melting point of from 200 to 250° C. in the polyamide resin is more than 70% by mass; and wherein a content of the reinforcing fibers in the total mass of the polyamide resin and the reinforcing fibers is from 45 to 70% by mass.

Abstract: A hook part includes a hook main body; a latch for closing the hook main body; and a shaft to which the base end of the latch is integrally coupled, the shaft extending away from the hook main body along the rotational axis such that coupling between the attachment part and the hook part is ensured. A latch includes a spring portion provided closer to the base end of the latch; and a latch main body coupled with the coupled portion via the spring portion. The spring portion is elastically configured to enable urging of the latch away from the hook main body. The connection point of the latch and the shaft is farther from the hook main body along the rotational axis than the connection point of the hook main body and the coupled portion.

Abstract: A slide fastener reinforcing strap for securing across an opening formed between first and second tapes of a slide fastener is provided. The slide fastener reinforcing strap extends from a first end to a second end along a centerline. The slide fastener reinforcing strap includes a first protrusion between the first and second ends. The first protrusion extends in a first direction which is perpendicular to the centreline.

Abstract: Described is a fastening tape that includes a plurality of attachment portions extending upwardly from a bottom portion of the fastening tape. The fastening tape also includes at least one inner wall disposed adjacent to at least some of the plurality of attachment portions and at least one outer wall offset from the at least one inner wall such that a cavity is disposed between the at least one inner wall and the at least one outer wall. Finally, the fastening tape includes an injected foam member disposed in the cavity.

Abstract: A slider may include a slider body, a pull-tab attachment portion provided at the slider body, and a resin-made pull tab attached to the pull-tab attachment portion. The pull tab may include an axial portion and a pair of bars extending from respective ends of the axial portion. The pull-tab attachment portion may include a pair of claws that axially support the axial portion of the pull tab. Each claw may be held by and between the respective paired bars while the pull tab pivots. A width of a terminal end of each claw in an axial direction of the axial portion may be less than a width of a base end of each claw in the axial direction.

Abstract: Described is a fastening tape that includes improved attachment systems. To increase the effectiveness of attaching the fastening tape to a component foam, the bottom or underside of the fastening tape includes one or more membranes. The one or more membranes are attached to the bottom surface of the fastening tape at one or more attachment portions. To strengthen the attachment between the fastening tape and the component foam, the membrane may include one or more non-attachment portions in the form of open spaces or pockets into which the component foam may flow when introduced into the mold.

Abstract: A buckle includes a male member and a female member. The male member is provided with an engagement section which protrudes from a body section. The female member includes a pressing elastic member which is provided with an engagement receiving section with which the engagement section engages; and a housing body in which a housing space for housing the pressing elastic member is housed. The housing body has an opening which connects to the housing space and into which the engagement section is inserted. The pressing elastic member is integrally provided with: a pair of pressing sections-which protrudes from the housing space of the housing body; elastic body sections which connect the pair of pressing sections together, elastically support the pressing sections, and enable the pressing sections to elastically move into the housing section; and the engagement receiving section which is supported by the elastic body sections.

Abstract: There is provided a slider for a slide fastener. The slider includes a body, a pull tab, a shaft member, and a coil spring. The pull tab has a base portion, a gripper and a claw portion protruding from the base portion. The shaft member is configured to rotatably support the pull tab relative to the body. The coil spring is attached around the shaft member to urge the gripper to be laid down toward the body. A claw guide portion allows a tip end of the claw portion to protrude into the guide groove. A restricting portion of the body restricts rotation of the pull tab when the pull tab is raised by a predetermined angle from the body. A restricted portion of the pull tab comes in contact with the restricting portion when the pull tab is raised by the predetermined angle from the body.

Abstract: There is provided an article with a slide fastener affixed thereto. Each of a pair of element members has a plurality of single elements made of a synthetic resin and fixedly integrated and connected to at least one flexible connecting string-shaped member at an equal interval. A slider is formed with an element guide path between upper and lower blades. A fastener-attached member forms an opening and closing part of the article. The pair of element members are directly sewn to a first surface of the fastener-attached member by sewing threads. The element members and the fastener-attached member are inserted into the element guide path of the slider.

Abstract: Provided is a molding hook and loop fastener, in which a barrier erected near left and right side edges of a substrate includes at least two rows of vertical wall arrays, and the vertical wall array includes a plurality of vertical walls disposed alternately. Between the two adjacent, rows of the vertical walls disposed alternately, each of the vertical walls disposed on one row is connected to two vertical walls disposed on the other row via a connecting part, and the connecting part connects one end portion of one vertical wall disposed on the adjacent row and the other end portion of the other vertical wall. Due to this, in the molding hook and loop fastener an outer side and an inner side of the barrier can be divided by the vertical wall array and the connecting part, and flexibility of the molding hook and loop fastener can be improved.