Cushion having a three-dimensional net

摘要

A cushion includes a three-dimensional net (8), a plurality of metallic fastening members (10;20) attached to the three-dimensional net on opposite sides thereof, and two resinous frames (12) attached to the opposite sides of the three-dimensional net, respectively. The metallic fastening members are sandwiched between the resinous frames and the opposite sides of the three-dimensional net, and the resinous frames together with the metallic fastening members are joined to the three-dimensional net by vibration welding. <IMAGE>