Patent ID: 6848575

Claim:
A fastening element comprising a plurality of a unit fastening elements arranged adjacently and generally parallel to each other, each of the unit fastening element comprising a filament section, an inserting head section equipped with a suitable engagement section located at one end of the filament section, and a socket section equipped with a hole for irreversibly passing said inserting head section located at said other end of said filament section, said fastening element characterized in that a plurality of said socket sections or their vicinities are each adjacently arranged to each other and a plurality of said inserting head sections or their vicinities and each adjacently arranged to each other, and are temporarily and individually connected to each one of connection bars, respectively, said inserting head sections and said socket sections being displaced with respect to each other along a longitudinal direction of said connection bars, said filament section of each one of said unit fastening elements being formed in curved configuration which is in fixed condition, wherein each of said connection bars are closely arranged to each other.