Abstract: A buckle which consists of a female member having an insertion port at an end of a housing and a male member having an insertion portion capable of being inserted into the housing, and is formed of a mounting portion at least on one of the female member and the male member. The mounting portion can mount a locking device or a sealing device for locking or sealing engagement between the female member and the male member and comprises, for example, a mounting column or the like having a through hole. When the insertion portion is inserted into the housing, the through holes are overlapped and a lock bar is inserted into the through hole so as to lock, the engagement between the female member and the male member is locked accurately and easily.

Abstract: The present invention provides a disposable diaper, which is easy to put on the wearer, and which is possible to be put on easily while the wearer is standing on both legs. The disposable diaper according to the present invention includes a diaper body having a hip portion and a belly portion, which are spread out with a crotch portion between them. The diaper further includes male members which are protrusively arranged from side portions of one of the hip portion and said belly portion in a face direction and female members, which are arranged on side portions of the other and in which the male members engage in a face direction of the side portions. The female members are provided with receiving portions in which the male members are inserted in a face direction of the side portions. Engaged surfaces perpendicular to the inserting direction of the male member are formed on the inner walls of the receiving portions and the male members are provided with engaging surfaces opposing to the engaged surfaces.

Abstract: A belt connecting device facilitating the engagement and disengagement operation of a male member and a female member and not only facilitating the disengagement even when the belt is stretched, but also not disengaging easily even when the belt is slack is provided. The belt connecting device is composed of a female member and a male member which can engage with and disengage from each other. An engaged/disengaged portion of the female member comprises a substantially U-shaped pinching resilient portion open at a side of a belt connecting portion, having a narrow portion in the middle thereof, and extending substantially on one plane from the other end.

Abstract: A buckle is composed of a buckle body and an insertion body. The buckle includes an engagement and disengagement system in which the insertion body is inserted into the buckle body. An elastic member provided with elasticity, which is made of, for example, natural rubber, synthetic rubber or thermoplastic elastomer, is integrally molded on a pressing surface formed on an operating portion for performing an engagement and disengagement operation of the buckle by bicolor molding means or insert molding means. The pressing surface of the operating portion may be disposed on the buckle body or may be disposed on the insertion body. In either case, it is possible to produce a buckle having a good touch. Consequently, since the operating portion is flexible and soft to the touch, a smooth engagement and disengagement operation of the buckle can be realized.

Abstract: A buckle, which comprises a female body and a male body, which may be inserted each other and prevents rocking in right and left directions and clattering of the female body and the male body at the time, is provided. A buckle comprising a female body formed with a flat housing and a male body having a pair of right and left flexible insertion legs, wherein when the female body and the male body are inserted to engage, the butting surfaces between the female body and the male body on a plane, that is, butting portions are formed with horizontal straight portions on both sides of the butting portions as well as a concave portion at the center in female body and a convex portion in the male body, or a convex portion in the female body and a concave portion in the male body continuously formed, so as to join the female body to the male body in the condition closely in contact.

Abstract: A first hooking face and a second hooking face which are hooking end faces of an engaging portion of a plug member releasably engage a first engaging face which is a top wall end face of an opening of a socket member and a second engaging face which is a side wall end face thereof respectively, so that an engaging area increases. The side release buckle, therefore, ensures a secure and strong engagement between the plug member and the socket member and is never released easily even when an unexpected external force is applied to a side portion of the engaging portion of the plug member.

Abstract: A synthetic resin swivel hook having a hook body and a stopper piece, wherein the stopper piece comprises a base end portion protruded from the base portion; a curved portion formed to be integral with the base end portion and forming substantially C-shape or U-shape protruding toward an inner face of the hook body and being open outward between the base end portion and the hook body; and a tongue piece portion extending from the curved portion up to an inside fitting face at an end of the hook body. The base end portion acts as a protective wall when the curved portion is elastically deformed. Using the above described structure of the curved portion and contraction thereof at the time of molding, from the first, the tongue piece portion is disposed inside of a front end inside fitting face of the hook body upon molding.

Abstract: In a swivel snap hook having a hook body and a stopper piece, a protrusion, which is molded integrally with a front-end inside engaging face or a front-end outside engaging face of the hook body or the stopper piece, is provided so as to have a minute protruding height and be protruded toward a mating engaging face. Further, a minute portion at a tip end of the protrusion is molded integrally with the mating engaging face. Consequently, the swivel snap hook can be molded such that the front-end outside engaging face of the stopper piece is closed to the front-end inside engaging face of the hook body. Therefore, in the swivel snap hook, a length and a depth of the hook body thereof can be set as the conventional ones, while it can be molded in a state that the front-end outside engaging face of the stopper piece is kept in contact with the front-end inside engaging face of the hook body.

Abstract: A buckle having a buckle main body and an insertion body. The buckle main body comprises an upper plate, a lower plate, and side walls. The buckle main body also has an insertion port at one end and a belt-mounting portion at the other end. The insertion body has flexible operation rods on both sides of a base rod in a projecting manner where portions of the operation rods are to be engaged in the insertion port of the buckle main body. The operation rods have narrow leg portions arranged in a side of the base rod, and bulging head portions fitted to opening portions and formed in the front end of the leg portions. Reinforcing ridge portions are formed on the outer surface of the leg portions running from substantially the base rod to substantially the bulging head portions.

Abstract: A buckle body, flat cylindrical in shape, includes an upper plate, a lower plate and side walls. The buckle body has at its one end an insertion opening, and at its other end a belt-mounting part. Each of the opposite side walls has an opening to form engaged portions. A projection projecting from a central portion of the upper plate at the side of an insertion opening project above a belt passage of the insertion body. The insertion body has a belt-fastening portion, a belt-folding portion, the belt passage, and a base portion which are arranged from one end to an inner side thereof and extend between side frames. The base portion has at its opposite sides operating portions, which have at their intermediate portion engaging portions so as to engage/disengage from the buckle body. Even when the belt on the insertion body loosens while the buckle is used, the belt is prevented from loosening by the projection, and the length of the belt can be adjusted by obliquely lifting up the engaged buckle body.

Abstract: The present invention provides a buckle having a desirable operability wherein a pair of plugs are simultaneously engaged and disengaged from a socket by a simple structure. The buckle comprises a pair of plugs and a socket. Each the plug has a tongue portion to be inserted into the socket and an engaging portion formed at a tip end portion of the tongue portion. The socket is formed with inserting portions into which the tongue portions are inserted respectively, fixed engaged portions which are formed in the inserting portions and with which the engaging portions of the plugs are engaged, and an operating portion which is formed between the engaged portions and which displaces the engaging portions to disengage the engaging portions with the engaged portions.

Abstract: A belt mounting structure in a buckle which can securely fix a belt in use and allows easy adjustment of an effective belt length and removal of the belt. A belt winding rod freely reciprocates in a direction of fastening the belt and freely rotates at a predetermined angular range within a belt mounting hole. A bulging portion is formed along an upper end edge of the belt mounting hole in the side to which the buckle is connected. A cross-section of a main body of the belt winding rod is formed substantially in a waterdrop shape. A cross-section of each supporting axial portion of the belt winding rod is formed substantially in a shape of an isosceles triangle. When an oblique side portion of the axial portion is mounted and supported on a long side portion of a supporting hole, a tip portion of the main body is pressure contacted to a lower surface of the bulging portion via the belt.

Abstract: A one-piece, tamper-resistant fastener for attaching one item to another is described. The fastener is particularly suited for attaching an item such as a ski coupon to a skier's garment. The attachment mechanism of the fastener is designed to allow a user to attach both items to the fastener, and thus the items to each other, in one action. The fastener is made of a single piece of plastic material, preferably polypropylene, which is easily recycled, even with a typical ski coupon attached. The one-piece fastener may alternatively be made using a biodegradable material.

Abstract: The present invention provides a buckle having a simple structure to increase efficiency of an assembling operation and desirable operability wherein engagements of plugs with a socket are reliably carried out. The buckle comprises a pair of plugs and a socket. Each the plug has a strap attaching portion, a tongue formed to project from the strap attaching portion to be inserted into the socket, and an engaging portion. The socket is formed with inserting portions into which the tongues are inserted respectively, and fixed engaged portions with which the engaging portions are engaged. An operating portion is formed separately from the socket between the engaged portions for displacing the engaging portions to-disengage engagements of the engaging portions with the engaged portions.