Abstract: A zipper member has a receiving portion having an insertion hole formed therein and including a locking portion, and an inserting portion having an engaging portion to be inserted into the insertion hole of the receiving portion and engaging with the locking portion to establish a locking state. A filament portion integrally connects the receiving portion to the inserting portion. An IC chip is mounted in a holding portion of the zipper member, the holding portion being formed of a hard material along a portion of the filament portion. An attachment tool includes a runner member on which an assembly of zipper members are placed in parallel at regular intervals to be cuttable. The attachment tool sequentially attaches the zipper members to a target one by one.

Abstract: Attachment members including an elongate member molded from at least one elastomer and a rigid or hard fixing element arranged at one or both ends of the elongate member, and methods for manufacturing such attachment members. The fixing element may be molded in advance and thereafter firmly coupled to the elastomeric elongate member, which has also been molded in an appropriate manner.

Abstract: A coiled part formed of plastic material by injection molding, wherein the cross section of the coiled part has a polygonal shape having at least one corner portion or a rounded face at a part thereof. The polygonal shape is one of a triangular shape, a rectangular shape, a hexagonal shape and an octagonal shape.

Abstract: A highly flexible annular linking means is formed by jointly connecting by a chain-like member between the first ringpart of a plastic male engagement part and the second ring part of a female engagement part. With this highly flexible annular linking means, a loop of chain-like member can be easily formed for attaching tags onto clothing, etc. An ornamentally effect of the chain-like member will give users high quality feeling. Further, undrawable plastic materials also become available for production of these annular linking means.

Abstract: A bar 3 is provided on one extremity of an elongated filament part 2, a head 4 is provide on the other extremity of the filament part 2 and, at the same time, a removing portion 6 is provided between this head 4 and the filament part 2, and it is so composed that the head 4 and the filament part 2 can be separated easily, and a fastener affixed to the product S can be removed by manual operation.

Abstract: A process of molding a synthetic resin screw includes upper mold members 2 and 4, lower mold members 3 and 5, and four sets of slide cores 2a, 4a, 3a and 5a supported by the respective mold members and withdrawable in directions parallel to a parting plane between the upper mold members and the lower mold members.

Abstract: A molded article having a large undercut part is efficiently produced by a method of molding a synthetic resin with the use of an apparatus comprising an outer mold (S) and an inner mold (N) arranged so as to form a cavity (C) inside the outer mold (S), said inner mold (N) comprising a central mold segment having a part whose size is reduced toward its head and mold segments (6, 7) for forming an inner surface of a molded article which are supported so as to be able to meet and get apart from each other around the central mold segment (4) and divided into a plurality of separate segments, wherein said mold segments for forming the inner surface of the molded article are rendered movable toward the center of the apparatus by moving the central mold segment and wherein the inner mold (N) is withdrawn in the form of its size reduced as a whole from inside the molded article (21) supported in the outer mold (S).

Abstract: An apparatus for molding a synthetic resin screw includes upper mold members 2 and 4, lower mold members 3 and 5, and four sets of slide cores 2a, 4a, 3a and 5a supported by the respective mold members and withdrawable in directions parallel to a parting plane between the upper mold members and the lower mold members.